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Toshiba L20 Laptop User Manual

1. ventas sies can 27 1 6 2 FL aei ea 29 lo POWER SUPPLY Goat ence 30 1 8 Batteries a o oic NER 32 1 8 1 Main Battery m 32 1 8 2 Battery Charoing Control io Siue alee ie Aetna 33 1 8 3 RTC battery 34 AGC AdapteT Re 35 Chapter2 Troubleshooting Procedures 2 1 Troubleshoot re oe Eee gabe e dat 36 2 2 Tro bleshootng ui ecru eines tate eee aan dedisti nie 38 2 3 Power Supply Troubleshooting Noss 42 Procedure 1 Power Status Checks ccu ra ee ed eee 42 Procedure 2 Error Code Check ida ei tete e aes 44 Procedure 3 Connection CHECK stis tote 45 Procedure 4 Charging Check SSE ni vibe dinde 45 Procedure 5 Replacement Ch ck aiit et tes 46 2 4 System Board Troubleshooting 47 6 Satellite L20 Maintenance Manual 960 Q01 0 Procedure 1 Message C Heck spare eder 48 Procedure 2 Debugging Port Check oi ute Di 50 Procedure 3 Diagnostic Test Program Execution Check 56 Procedure 4 Replacement Check dpt 56 2 5 USB FDD Troubleshooting oett eterne tr tener 57 Procedure 1 EDD Head Cleaning Check 57 Proced
2. NR 9 Se PEN PETE es JE EE ETT d EE ET Jom TUF e D de n De em MEET amm Tama Omen OVID LIE I fo gt p JP am EE 1 3 Ty TIN Figure 14 PT Keyboard layout it 2 KZ Appendices Satelli te L20 Maintenance Manual 960 Q01 E 7 Keyboard Layout E 15 Traditional Chinese TC Keyboard Figure E 15 TC Keyboard layout E 16 Swedish SW Keyboard TH r LEER ii Ts d hd iia Te KZ ETT TT eee raus P anum A MS JR L des Figure E 16 SW Keyboard layout E 6 Satellite L20 Maintenance Manual 960 Q01 Appendices Keyboard Layout Russian RU Keyboard E 17 B Ma flag al EN Bs San ev 127 1 LEN Fil A Figure E 17 RU Keyboard layout Turkish TR Keyboard E 18 ej Bi 2528 3 HiFi Figure 18 TR Keyboard layout E 9 Satellite L20 Maintenance Manual 960 Q01 Keyboard Layout E 19 EN 2 S2 5 sinu P acm BOCA E 20 UI En Bu v in 59 Bs ta E
3. 10 Satellite LIO Maintenance Manual Appendix D Display Codes D 1 Display Codes Table D 1 Scan codes set I and set 2 1 4 No Satellite L20 Maintenance Manual 960 Q01 D 1 D 2 Table EIE m um A A CTO Enter Shift L No 102 key Display codes D 1 Scan codes set 1 and set 2 2 4 EXHI Satellite L20 Maintenance Manual 960 Q01 Display codes Table D 1 Scan codes set I and set 2 3 4 are wem Ctrl Alt L Space ALT R Ins Del Satellite L20 Maintenance Manual 960 Q01 D 3 Display codes Table D 1 Scan codes set I and set 2 4 4 Codeset1 Codeset1 1 Code set 2 eytop eee ee 8 F11 F12 PrintSc Pause Fn Win Notes Scan codes differ by mode Scan codes differ by overlay function Combined with the Fn key makes different codes Fn key does not generate a code by itself This key corresponds to key No 42 in a 102 key model Refer to Table D 6 No 124 key scan code Refer to Table D 7 No 126 key scan code SOR DIN X Xx X X D 4 Satellite L20 Maintenance Manual 960 Q01 Display codes Table D 2 Scan codes with left Shift key Code set 1 Code set 2 mm Note The table above shows scan codes with the left Shift key In combination with the right Shift key scan codes are changed as listed below With left Shift With rig
4. Ee ftootuyOuce hm f aiogunNaaggr lt gt aie 1 Hal gt lt Fn 0 1 2 3 4 5 6 To exit this subtest and return to the High Resolution Display Test menu Press Enter if NO was selected for Test Loop on the Test Parameter Menu Press Ctrl break if YES was selected for Test Loop on the Test Parameter Menu Satellite L20 Maintenance Manual 960 Q01 123 Test Program for Field Subtest 03 800 600 Mode Display This subtest uses 800 600 video resolution to display a high resolution white frame 256 letter types 8 16 pixels and 256 gradations of white red green and blue as shown below Gor eh ae eat 1 1012 3456789 gt 7 MABCDEFGHIJELMHO dx 800 600 256 abcdefghijk 1 go Press Enter key Ee ftootuyOuce hm f 256 letter types aiogunNaaggr lt gt indication ve ed der bal gt lt 0 1 2 3 4 5 6 To exit this subtest and return to the High Resolution Display Test menu Press Enter if NO was selected for Test Loop on the Test Parameter Menu Press Ctrl break if YES was selected for Test Loop
5. 5 Press Enter Key To exit this subtest and return to the Display Test menu Press Enter if NO was selected for Test Loop on the Test Parameter Menu Press Ctrl break if YES was selected for Test Loop on the Test Parameter Menu Satellite L20 Maintenance Manual 960 Q01 99 Subtest 03 100 Test Program for Field 80 25 Character Display This subtest uses 80 25 video resolution to display character codes 20H 7EH using Mode 03H 80 25 The data displayed is shifted 1 byte to the left for each line as shown below 80 25 CHARACTER DISPLAY 01234567890123456789012345678901234567890123456789012345678901234567890123456789 I 4 amp 2 0123456789 9ABCDEFGHIJKLMNOPORSTUVWXYZ M abcdefghlIjklmno I 4 amp 2 0123456789 ABCDEFGHIJKLMNOPORSTUVWXYZ 1 mnop 0123456789 gt ABCDEFGHIJKLMNOPORSTUVWXYZ _ abcdefghIjklmnopq 5 5 0123456789 ABCDEFGHIJKLMNOPORSTUVWXYZ _ abcdefghIjklmnopqr amp 0123456789 ABCDEFGHIJKLMNOPORSTUVWXYZ abcdefghIjklmnopgrs amp 0123456789 ABCDEFGHIJKLMNOPORSTUVWXYZ _ abcdefghIjklmnopqrst amp 2 0123456789 ABCDEFGHIJKLMNOPORSTUVWXYZ 7 _ abcdefghIjk1 mnopqrstu 0123456789 GABCDEFGHIJKLMNOPORSTUVWXYZ N abcdefghIjklmnopqrstuv Shifted to the left one letter by one letter 23456789 gt GABCDEFG
6. 25 e 5 615 Jaen Jam THES I gt Figure E 10 HUR Keyboard layout Satellite L20 Maintenance Manual 960 Q01 E 5 Keyboard Layout Italian IT Keyboard E 11 EN 7 ll PR lt 2 flag 8 4 22 0 nu 4 A EE n nnm S CS 0 4 1 2 NU 0 el EIE EN V siete Figure E 11 IT Keyboard layout se Hate ard Korean KR Keyboard ll 2 5 AC UN x Gm m m DE x EN l A on Eg B 2517 Lew al Hir 12 Satellite L20 Maintenance 960 001 Figure E 12 KR Keyboard layout E 6 Keyboard Layout E 13 Norwegian NO Keyboard e PP IPs IPs s rers Ug amm nt a LN Cam tammy fas yams Cama fam fam CS 2 9 2 7 X2 amp 4 aI A KZ SQC2 3 J 7 4 2 1 fom MEET gt i eS feel tanah 6 nn i 5 2 Figure 13 NO Keyboard layout E 14 Portuguese PT Keyboard fe
7. E 6 Korean KR casio cibo nias gae eee ped eds E 6 Norwegian NO Keyboard E 7 Portuguese PT Keyboard nias 7 Traditional Chinese Keyboard eap te odo ettet E 8 Swedish SW Keyboard E 8 Russian RU Keyboard secnm E 9 Satellite L20 Maintenance Manual 960 Q01 E18 Turkish TR Keyboard oce tbe cae ees eee E 9 E 19 Japanese JP Keyboard aei odi de ed aet kastere E 10 E20 Swiss German SL iba gone a aaa dd E 10 Satellite L20 Maintenance Manual 960 Q01 App v Appendix F 2 Appendix G Appendix H App vi Wiring F 1 RGB Monitor ID Wraparound Connector F 1 LAN Loopbak Connector deca obe F 1 BIOS Rewrite Procedures G 1 EC KBC Rewrite Procedures 1 Satellite L20 Maintenance 960 001 Appendix A Handling the LCD Module Precautions for handling the LCD module The LCD module can be easily damaged during assembly or disassembly Observe the following precautions when handling the LCD module 1 When installing the LCD module in the LCD cover be sure to seat it so that it is properly aligned and maximum visibility of the display is maintained OK H NO 2 careful to align the ho
8. FEFEFE OCAS ETE 2 mii QN ERE ENE je kal ee 15 Figure E 7 DK Keyboard layout ip Eu x 5 2 1 e E 8 Spanish SP Keyboard Hd i PE gem gt Jm ECLI Ei AA ata Ha CP IM VZ 59 2 CZ WO OKZ OKZ Te gii ree rs M i ae Pn ue a d ae eg E EDA EA 2 2 Figure E 8 SP Keyboard layout E 4 Satellite L20 Maintenance Manual 960 Q01 Keyboard Layout Appendices E 9 French FR Keyboard EEE ETT IE Kr anne ROC e a d amt ny en e m e P fame eee E ZS 2 9 7 0 DU amm 29 s gr I 1 d au Se nami o Figure E 9 FR Keyboard layout E 10 Hungary HU Keyboard uS c ul c Il 8 4 2 1 T3 CZ D 2 1 Te 2 1 CZ D MM gt AAG 1 ann ar 4 a 3 mg it eek lt C XCTI DE DE L3 c ar 7 dum m Cee ce
9. 186 System BORD Rei pO EE EN LLL ed A D 188 190 Satellite L20 Maintenance Manual 960 001 0 Appendices Appendix Handling the LCD Module eese esee 1 Appendix Bord Day se ideft B 1 Appendix Pin 1 Appendix D Keyboard Scan Character Codes D 1 Appendix B Ky Lausanne E 1 Appendix P Wiring Diagrams F 1 Appendix G BIOS Rewrite gates QUARE NIME G 1 Appendix Rewrite Procedures ue e iati e ads ea H 1 Appendix I Reliability iacit R a I 1 Satellite L20 Maintenance Manual 960 Q01 11 0 12 Satellite L20 Maintenance Manual 960 001 Chapter 1 Hardware Overview Satellite L20 Maintenance 960 001 Satellite L20 Maintenance Manual 960 Q01 Chapter 1 Contents 1 1 poitea 1 1 27 System Block Diagram inei tete n S rate ia 6 1 3 2 Jemch Hard Disk Ese esed o rti Iu ated fk 11 14 Optical Drtvei tei edoceri e Hate leek el eee 15 1 4 1 DVD ROM amp CD R RW Drive tapes 15 1 4 2 DVD Super Multi Dive eo e ne ee eee 20
10. Pressure plate connector Spring connector Satellite L20 Maintenance Manual 960 Q01 147 Replacement Procedures Assembly Procedure After the computer has been disassembled and the part that caused the fault has been repaired or replaced the computer must be reassembled Take note of the following general points when assembling the computer Take your time and follow the instructions carefully Hurrying the assembly work will only introduce new problems Check that all cables and connectors are securely connected Before fastening FRUs or other parts in place ensure that no cables are caught on screws or the FRU Check that all latches are securely closed Ensure that you have installed all FRUs correctly and do not have any screws left over Using an incorrect screw may damage the thread or screw head and result in the FRU not being securely fastened in place After installing FRUs check that the computer operates correctly Tools and Equipment For your safety and the safety of the people around you it is important that you use Electrostatic Discharge ESD equipment Correctly utilizing of the equipment increases the percentage of successful repairs and saves on the cost of damaged or destroyed parts The following equipment is required for disassembly and assembly 148 One Philips screwdriver with type 0 bit for THIN HEAD screws One Philips screwdriver with type 1 bit for screws other than above Tweezers
11. OAT occasio es tete RAT B 6 Pin ASSISBIDOlf cs 1 CN9 RJI1 RJ45 Connector 18 PI C 1 CN12 Phone Signal Connector 2 PIN eene C 1 LED Board Connector 3 PIN C 2 CN2 LCD I F Connector 40 1 nennen C 3 CN3 Keyboard I F Connector 25 PIN eee C 4 CN4 Touch PAD I F Connector 6 0 00020 0 0 000 000000000 C 4 CNS PC Card I F Connector 68 PIN eese C 5 CN23 RTC Battery Connector 2 PIN eere C 6 CN7 System Speaker Connector 4 C 6 CN8 S Video I F Connector 4 PIN C 6 CN10 DC IN Connector 4 PIN 2 1 iri Cea C 7 USB I F Connector 4 PIN nennen C 7 CN13 CRT TE Connector 15 PIN es bee de OR We aan dicun C 7 CN14 System Battery Connector 5 PIN C 8 CEN 15 CPU Fan Connector 3 PIN icc iude C 8 CN16 HDD I F Connector 44 PIN eese nennen C 9 CN18 USB I F Connector 4 PIN C 9 Memory Connector 0 200 PIN C 10 Satellite L20 Maintenance Manual 960 Q01 App iii 19 20 21 22 23 24 25 26 27 C 28 Appendix D D 1 Appendix E App iv E l E 2 E3 E4 ES E6 E7 8 9 10 Ell E 12 E
12. RAM Refresh VRAM W R C Character Attribute Set Character Set 80 25 Character Display 320 200 Graphics Displ 640 200 Graphics Displ 640 480 Graphics Displ Display Page Sequential Sequential W R C Read Backup Memory Test Tab HELP Key Operation Satellite L20 Maintenance Manual 960 Q01 lay lay lay 139 Test Program for Field 1 Enter a number or 0 for Loop Count and press Enter Select a number from 1 to 65535 to define the number of times the Running Test executes Select 0 to run the test continuously until halted by the user 2 Select the NO or YES for Error Stop and press Enter Select NO to keep the test running even if an error is found Select YES to stop the test program when an error is found NOTE All errors which occur during execution of the Running Test are logged in the Log File 3 Press Insert to add a subtest 4 Press Delete to remove the selected subtest 5 Press Enter when you have finished editing the Running Test list 6 The following message displays Do you want to save the data Save to disk Do not save 7 Select the option and press Enter 8 Select 03 from the Diagnostics Menu and press Enter to execute the Running Test NOTE If press Ctrl break in the runin process please press more one any key to exit 140 Satellite 120 Maintenance Manual 960 Q01 Test Program for Field 3 21 Common Tests and Operation 3 21 1 H
13. 2 10 2 ii uu mc Ce a mc 2 1 Basic cuenta eb Geste tata seduta 2 2 Power Supply T H 2 6 Procedure 1 Power Icon Check osito Pto Eee e sectio tate tensis 2 6 Procedure 2 Connection Check een eec 2 8 Procedure 3 Replacement Check o eie nels ae cath tiled essen 2 8 System BOSE ananasen Anine seede 2 9 Procedure 3 Replacement Check set et anadenieees 2 10 ZS ATIC b HDD cc oftia e tA a 2 11 Procedure 1 Message Check uisi et eed 2 11 Procedure 2 Partition Check iocus 2 11 Procedure 3Format C Dee E t potum qr 2 12 Procedure 4Test Program Check 2 13 Procedure 5Connector Check and Replacement 2 14 Keyboard oret estat pnto ip eso aei onc 2 15 Procedure 1 Test Program Check ecd eed 2 15 Procedure 2 Connector Check and Replacement 2 15 Display i 2 16 Procedure 1External Monitor Check 1 eoi tette 1144 2 16 Procedure 2 Test Program Check sce tr teret 2 16 Procedure 3Connector Check and Replacement 2 16 ODD Optical Disk Dive asap ta ceded en gu torto d tempos b 2 18 Procedure LODD Cleaning Check
14. 4 LIT Ha ml UNE EN PET JE PET C SV 2 5 AN A 2 55 Oum Om P m 6 Sy S Q OAK 9 HEGE AE VI SOI DVI I 2 SFO Figure E 19 JP Keyboard layout Swiss German SL Keyboard 7 t 2 i g AT Z iiis 2 7 B 2 1 E Figure E 20 SL Keyboard layout Satellite L20 Maintenance Manual 960 Q01 Appendix F Wiring Diagrams RGB Monitor ID Wraparound connector RED 1 2 BLUE 3 NC 4 GND 5 GND 6 GND 7 GND 8 5V 9 GND 10 NC 11 SDA 12 HSYNC 13 VSYNC 14 SCL 15 Figure F 1 RGB Monitor ID Wraparound connector 15PIN to ISPIN F 2 LAN Loopback Connector 1 BIBAP TX 2 BIDAN TX 3 BIDBP RX 4 BIDBN RX Figure F 2 LAN loopback connector Satellite L20 Maintenance Manual 960 Q01 Wiring Diagrams Satellite L20 Maintenance Manua 960 Q01 Appendix G BIOS Rewrite Procedures This Appendix explains how to rewrite the system BIOS program when you update the system BIOS Tools To rewrite the BIOS you need the following tool BIOS EC KBC rewriting disk USB doggle Rewriting the BIOS Set the system to boot mode
15. Width mm 128 dimensions Height mm 12 7 excluding projections Depth mm 129 127 Mass g 180 109 160 109 Satellite 120 Maintenance Manual 960 Q01 15 Chatper 1 Hardware Overview Table 1 4 DVD ROM amp CD R RW drive specifications 1 3 Drive Specification Parameter MATSUSHITA UJDA770TT A mm DVD ROM MAX 8X CAV MAX 10800 kB s ead KB s CD ROM MAX 24X CAV 3600 kB s CD R 8 16XZCLV 24X CAV CD RW 4X CLV Data transfer High Speed CD RW 4x 8x 10X CLV speed Ultra Speed CD RW 8x 10X CLV MAX 24X CAV 16 6 MB s PIO mode4 ATAPI interface 16 6 MB s Multi word mode2 MB s 33 3 MB s Ultra DMA mode2 ins Random CD DA CD ROM CD R CD RW CD ROM Disc PhotoCD Muilti Session Video CD CD Extra CD CD text Supported disk DVD ROM DVD Video format DVD RAM 2 6GB 4 7GB DVD R DVD RW Ver 1 1 DVD Supporting Multi Border DVD R DVD RW Supporting Multi Session 16 Satellite L20 Maintenance Manual 960 001 Chapter 1 Hardware Overview Table 1 4 DVD ROM amp CD R RW drive specifications 2 3 Drive Specification Parameter HLDS GCC 4244N ATAKNO DVD ROM Single Layer3 3x 8x CAV Approx 4 710 r min Dual Layer3 3x 8x CAV Approx 5 180 r min DVD Video 1 7x 4x CAV Approx 2 600r min DVD R 3 95GB1 7x 4x CAV Approx 2 600 r min 4 7GB1 7x 4x CAV Approx 2 360 r min DVD RW 4
16. Satellite LIO Maintenance Manual Tenino Signainame vo N C N C N C N C N C N C N C N C 5V INTB N C 3VSUS PCIRST 3V GNT1 GND PME N C AD30 3V AD28 AD26 AD24 AD20 GND AD22 AD20 PAR AD18 AD16 GND Pin Assignment Table C 25 MINI PCI connector 124 PIN 2 2 Signainame vo emne 63 3V 64 CLKRUN SERR GND PERR CBE1 AD14 GND AD12 AD10 GND AD8 AD7 3V AD5 N C ADS 45V AD1 GND RLADO RLAD1 RLAD2 RLAD3 RLFRAME GND RLRESET GND GND N C 5V Signal name FRAME TRDY STOP 3V DEVSEL GND AD15 AD13 AD11 GND AD9 CBEO 3V AD6 AD4 AD2 ADO N C SERIRQ GND N C RLDRQ SDIN1_MINI RKBSMIH N C GND RRPCLK_SIO GND GND N C 3VSUS Satellite LIO Maintenance Manual Pin Assignment LED Board 26 CN1 LED Board connector 14 PIN Table C 26 LED Board connector 14 PIN S mainame 19 GND GND NBSWON NUMLED CAPSLED IDE_LED N C Satellite LIO Maintenance Manual Pin Assignment Modem Board C 27 CN1 Modem Signal connector 10 PIN Table C 27 Modem Signal connector 10 PIN vo Sinaname 10 GND PWRCLKN PWRCLKP O N C DIB DATAP DIB_DATAN 28 MJ2 Phone Signal connector 2 Table C 28 Phone Signal connector 2 PIN _ vo Pme
17. This is read from eeprom back Press any key to continue Note Please Check New DMI Information After System Restart If Keyin length too long will retry Current Data of EEPROM 12345678W 4 Enter the Serial Number 12345678901234 Your Keyin String Length Not Correct 14 9 Current Data of EEPROM 12345678W 4 Enter the Serial Number Satellite L20 Maintenance Manual 960 Q01 135 Test Program for Field 3 18 Log Utilities This function logs error information generated while a test is in progress and stores the results in RAM Maximum error log 500 times This function can store data on a floppy disk If the power switch is turned off the error information will be lost Error information is displayed in the following order Error count CNT Test name and subtest number TEST Pass count PASS Error status STS FDD HDD or memory address ADDR Write data WD Read data RD Error Name ERROR NAME DETAILS SES ON Pr ee 3 18 1 Operations 1 Select 04 and press Enter in the Diagnostics Menu to log error information into RAM or onto a floppy disk Error information is displayed in the following format XXXX ERRORS PASSCOUNT XXXX CNT TEST PASS STS ADDR WD RD ERROR NAME DETAILS 001 FDD 02 0000 180 0000001 00 00 WRITE PROTECTED 002 FDD 01 0000 120 0000001 00 00 TIME OUT ERROR Address Error Status Pass Count Subtest Number Read Data Test Name Write Data Error Count Error Name and
18. gt lt item Version v1 00 Copyright QUANTA Corp 2005 ESC DIAGNOSTICS MENU 1 DIAGNOSTIC TEST RUNNING TEST DMI INFORMATION LOG UTILITIES SYSTEM CONFIGURATION OPTION EXIT 3 To select the Diagnostic Test from the Diagnostics Menu use the arrow keys to set the highlight bar to 01 and press Enter Satellite L20 Maintenance Manual 960 Q01 63 84 The following menu displays Test Program for Field TOSHIBA Satellite Pro L20 L25 Diagnostics gt lt 1 item Version V1 00 C Copyright QUANTA Corp 2005 E 5 Escape DIAGNOSTICS MENU DIAGNOSTIC TEST SYSTEM TEST MEMORY TEST KEYBOARD TEST DISPLAY TEST FLOPPY DISK TEST HARD DISK TEST REAL TIME CLOCK TEST 08 09 10 TT 88 99 DIAGNOSTIC TEST MENU CACHE MEMORY TEST HIGH RESOLUTION DISPLAY TEST MULTIMEDIA TEST MEMORY2 TEST FDD amp HDD ERROR RETRY COUNT SET EXIT TO DIAGNOSTICS MENU Satellite L20 Maintenance Manual 960 Q01 Test Program for Field Refer to Sections 3 4 through 3 14 for detailed descriptions of Diagnostics Tests 1 through 11 Item 88 sets the floppy disk drive and hard disk drive error retry count Item 99 exits the submenu of the Diagnostic Test and returns to the Diagnostics Menu 4 Select the subtest you want to execute and press Enter The following menu displays TOSHIBA S
19. lt Back layout gt Figure B 3 LED board layout Table B 3 LED board connectors a CN1 LED Board Connector Satellite LIO Maintenance 960 001 Board Layout B 4 Modem board lt Front layout gt E Figure B 4 Modem board layout Table B 4 Modem board connectors Touch Pad Board B 6 Satellite L10 Maintenance Manual 960 Q01 Board Layout lt Front layout gt b a Table B 5 Touch pad board connectors Satellite LIO Maintenance 960 001 B 7 Appendix C Pin Assignment System Board 1 CN9 RJ11 RJ45 Connector 18 PIN Table C 11 RJ11 RJ45 connector 18 PIN Signal name Signal name 100MBPS N C RJ45 MX3 RJ45 MX3 RJ45 MX1 RJ45 MX2 RJ45 MX2 RJ45 MX1 RJ45 MXO RJ45 MX0 N C 3V TIP C RING C 3V GND GND ACT C 2 12 Phone Signal Connector 2 PIN Table C 22 Phone Signal connector 2 PIN PIN No Signal name PIN No Signal name 1 TIP_C 2 RING C Satellite LIO Maintenance Manual 960 Q01 C I Pin Assignment 3 CN1 LED Board Connector 14 PIN C 2 Table C 3 LED Board connector 14 PIN GND NBSWON NUMLED CAPSLED IDE_LED EMAIL_LED Satellite LIO Maintenance Manual Pin Assignment C 4 CN2 LCD I F Connector 40 PIN Table C 43 LCD I F connector 40 PIN Pino Signainame vo PW No Sigrainame vo 43V 43V 2 LCDID2 GND 5V 5V LCD3V LC
20. 1 5 IX nci 26 1 6 27 1 6 1 HD MOE Sa 27 1 6 2 Fl Inverter BOSE Woe odes 29 ER API WET SUPPLY oo cece ae i ae pe 30 1 8 Batteries thn M ies ee ce aie td he 32 1 8 1 Mam Battery PT 32 1 8 2 Battery Charging Control aia treo tot tondere 33 1 8 3 RTC ballen OD epa bee ale do ote ogee ei elke 34 9 AC Aure a 35 Satellite L20 Maintenance Manual 960 Q01 1 iti Figures Figure 1 1 Figure 1 2 Figure 1 3 Figure 1 4 Figure 1 5 Figure 1 6 Figure 1 7 Tables Table 1 1 Table 1 2 Table 1 3 Table 1 4 Table 1 5 Table 1 6 Table 1 7 Table 1 8 Table 1 9 Table 1 10 Table 1 11 Table 1 12 Table 1 13 Table 1 14 Front of the computer and the system units configuration 5 System Block dia grai sorte gestat 6 25 HDD utet erar RT 11 DVD ROM 6 0 DERIR W dive ss 15 DVD Super Mutt dike deed 20 Keyboard M P 26 LC 27 2 5 0 HDD osa tutae an E 11 2 5 meh HDD specifications kane UR 13 DVD ROM amp CD R RW drive outline dimensions esses 15 DVD ROM amp CD R RW drive specifications eese 16 DVD S
21. If there is still an error perform Check 2 Check 2 The connector may be faulty Replace the connector with a new one following the steps in Chapter 4 If the ODD drive is still not functioning properly perform Check 3 2 18 EQUIUM M40 M45 Satellite M40 M45 Maintenance Manual 2 8 ODD Drive 2 Troubleshooting Check 3 Check 4 Check 5 Check 6 The ODD drive may be faulty Replace the ODD drive with a new one following the steps in Chapter 4 If the ODD drive is still not functioning properly perform Check 4 The system board may be faulty Replace it with new one following the instructions in Chapter 4 If the ODD drive is still not functioning properly perform Check 5 The memory may be defective Replace the memory module with a new one following the steps described in Chapter 4 If the problem persist perform Check 6 The memory may be defective Replace the memory module with a new one following the steps described in Chapter 4 If the problem persist perform Check 3 EQUIUM M40 M45 Satellite M40 M45 Maintenance Manual 2 19 2 Troubleshooting 2 9 LAN 2 9 LAN To check if the computer s LAN is defective or malfunctioning follow the troubleshooting procedures below as instructed Procedure 1 Test Program Check Procedure 2 Connector Check and Replacement Check Procedure 1 Test Program Check Execute the LAN check program available as part of the maintenance test program This program will check the LAN Insert
22. N C MA17 1 8VSUS MA12 MA9 MA8 1 8VSUS 5 MA1 1 8VSUS MA10 MA15 M_WE 1 8VSUS M_CAS M_CS 1 1 8VSUS M_ODT2 GND MDQ25 MDQ24 GND M_DQS 3 M_DQS3 GND Satellite LIO Maintenance Manual MDQ16 GND M_DQS 2 M_DQS2 GND MDQ19 MDQ22 GND M_CKE1 1 8VSUS N C MA14 1 8VSUS MA11 MA7 MA6 1 8VSUS MA4 MA2 MAO 1 8VSUS MA16 M_RAS M_CS 0 1 8VSUS M ODTO MA13 1 8VSUS NC GND MDQ29 MDQ28 GND M_DM3 GND MDQ30 Pin Assignment Table C 18 Memory connector 0 200 PIN 3 3 MDQ27 MDQ26 MDQ31 GND GND MDQ32 MDQ33 MDQ37 MDQ36 GND GND M_DQS 4 M_DM4 M_DQS4 GND GND MDQ39 MDQ38 MDQ35 MDQ34 GND GND MDQ41 MDQ44 MDQ40 MDQ45 GND GND NC M CLKOUT3 GND M_CLKOUT3 M_DQS 5 GND M DQS5 M DM5 GND GND MDQ43 MDQ46 MDQ47 MDQ42 GND GND MDQ57 MDQ56 MDQ61 MDQ60 GND GND M_DM7 M_DQS 7 GND M DQS7 MDQ59 GND MDQ63 MDQ58 GND MDQ62 SDATA GND SCLK 3V 3V 3V Satellite LIO Maintenance Manual Pin Assignment C 19 J2 Memory connector 1 200 PIN Table C 19 Memory connector I 200 PIN 1 3 PINNo Signalname VO PINNo Signalname 10 1 DDR VREF GND GND MDQ50 MDQ55 MDQ51 MDQ54 GND GND M DM6 M_DQS 6 GND M DQS6 MDQ53 GND MDQ49 MDQ52 GND MDQ48 MDQ12 GND MDQ8 MDQ13 GND MDQ9 M GND GND M 1 M CLKOUT1 M DQS1 M_CLKOUT1 GND GND MDQ14 MDQ10 MDQ11 MDQ15 GND GND GND GND MDQ1 MDQ5 MDQ4 MDQO GND GND M
23. The Diagnostics Menu consists of the following options Diagnostic Test Running Test DMI Information Log Utilities System Configuration Option The Diagnostic Test Menu consists of the following functional tests System Test Memory Test Keyboard Test Display Test Floppy Disk Test Hard Disk Test Real Time Clock Test Cache Memory Test High Resolution Display Test Multimedia Test Memory2 Test FDD amp HDD Error Retry Count Set 0060000000090 The following equipment is required to perform some of the diagnostic test programs The Diagnostics Disk all tests A formatted working disk for the floppy disk drive test all tests A CD test media Toshiba Backup CD ROM for the CD ROM test The following sections detail the tests contained within the Diagnostic Test Menu Refer to Sections 3 18 3 19 3 20 and 3 21 for detailed information on the remaining functions of the Tests and Diagnostics software 82 Satellite L20 Maintenance Manual 960 Q01 Test Program for Field 3 2 Executing the Diagnostic Test MS DOS is required to run the Diagnostics Program To start the programs follow these steps 1 Create a DOS bootable disk and copy all the files from the Tests and Diagnostics software to the disk 2 Insert the boot disk into the computer s floppy disk drive and turn on the computer The following screen displays TOSHIBA Satellite Pro L20 L25 Diagnostics
24. for lifting screws ESD mats lay on work table or floor An ESD wrist strap and heel grounder Anti static carpet or flooring Satellite L20 Maintenance 960 001 Replacement Procedures Screw Tightening Torque Use the following torque when tightening screws CAUTION Overtightening may damage screws or parts Undertightening may allow screws to loosen and possibly fall out causing a short circuit or other damage recommended e M2 2mm 0 167 N m 1 7 M2 5 2 5mm 0 245 N m 2 5 e 2 5 2 5mm 0 392 N m 4 0 kgf cm for Hinge support e M3 0 3mm 0 245 N m 2 5 cm To prevent damage to THIN HEAD screws press along the axis of the screwdriver while turning the screw This is because the contact area between the screw and driver is less than for a pan head screw standard pan shaped screw head isis Some screws have a colored grip area to help you determine the length of the screw Grip Color e Even numbered length screws Brown e Odd numbered length screws White e Special length screw Blue Special length screw means screws whose length is indicated in an integral number to the first decimal places such as 2 5 mm 2 8 mm and so on Satellite L20 Maintenance 960 001 149 Replacement Procedures Screw Notation To make maintenance of the computer easier markings of the kinds of the screws including the types and le
25. 07 Sequential Write This subtest writes specified data to all cylinders on the HDD The following message displays on the screen to enter the test data TEST DATA 37b3H Subtest 08 W R C Specified Address This subtest writes specified data to a specified sector count then reads and compares the result The following message displays on the screen to enter the test data sector count TEST DATA 222 37b3H SECTOR COUNT 01 39 START ADDRESS 00000000 Max Address Satellite L20 Maintenance Manual 960 Q01 117 Test Program for Field 3 10 Real Time Clock Test To execute the Real Time Clock Test select 07 from the Diagnostic Test Menu press Enter and follow the directions on the screen The Real Time Clock Test contains three subtests that test the computer s real time functions Move the highlight bar to the subtest you want to execute and press Enter Subtest 01 Real Time This subtest allows you to change the date and time To execute the Real Time Subtest follow these steps 1 Select Subtest 01 and the following displays REAL TIME TEST Current date mm dd yyyy Current time hh mm ss Enter new date mm dd yyyy Enter new time hh mm ss Press Enter key to exit test 2 If the current date is not correct enter the correct date at the Enter new date prompt and press Enter The following prompt displays Enter new time 3 If the current time is not correct enter the
26. 1 ODD Cleaning Check Procedure 2 Test Program Check Procedure 3 Connector Check and Replacement Check Procedure 1 ODD Cleaning Check 1 Turn off the power to the computer 2 Open the ODD tray by inserting a slender object such as a straightened paper clip into the eject hole The object must be long enough to activate the eject mechanism 3 Clean the laser pickup lens with a lens cleaner Apply the cleaner to a cloth and wipe the lens 4 Ifthe ODD drive still does not function properly after cleaning go to Procedure 2 Procedure 2 Test Program Check Execute the ODD drive test program available as part of the maintenance test program Insert the diagnostics CD in the computer s CD turn on the computer and run the test Then insert a test ODD Toshiba EMI DVD ROM TEST DISK TSD 1 into the ODD drive See Chapter 3 for information on how to perform the test If any error is detected by the test go to Procedure 3 Procedure 3 Connector Check and Replacement Check The ODD drive is connected to the system board by the connector The connector may be disconnected from the system board or faulty Disassemble the computer following the steps described in Chapter 4 and perform the following checks Check 1 Make sure the following connector has been firmly connected to the ODD drive and the system board System board Attachment Connector case If the connector is loose or off reconnect it firmly and return to Procedure 2
27. 13 E 14 15 16 17 J2 Memory connector 1 200 C 13 CN19 USB I F connector AG PIN C 16 CN20 External MIC Connector 8 C 16 CN21 Headphone OUT Connector 8 PIN C 16 CN22 ODD I F Connector 50 PIN esee C 17 CN24 Modem Board connector 10 C 18 CN25 MINI PCI connector 124 PIN eene C 19 LED Board connector 14 PIN C 21 Modem Signal connector 10 PIN C 22 MJ2 Phone Signal connector 2 PIN esee C 22 Displav Codes ec sosie oro stset osses t sste soises D 1 Display COdeS T D 1 Key Layout eme E 1 United States US Keyboard t tetro eine E 1 United Kingdom UK Keyboard E 1 Arabia E 2 Belgium BB E 2 Czech CZy i oer dtes E 3 German GR Keyboard E 3 Danish DE ien E 4 Spanish SP Rey Doar ss ciet Ted E 4 French FR etat E 5 Hungary HU Keybodstd uie sess Peste een pertes HIR Ob ease eese aas E 5 IT Key boards etit eM QR
28. 7GB 1 7x 4x CAV Approx 2 360 r min DVD RAM 2 6GB2x ZCLV Approx 2 120 4 700 r min Read KB s 4 7GB2x ZCLV Approx 1 400 3 230 r min DVD R Single Layer1 7x 4x CAV Approx 2 360 r min Double Layer1 7x 4x CAV Approx 2 360 r min DVD RW 1 7x 4x CAV Approx 2 360 r min CD ROM 10 3x 24x CAV Approx 4 860 5 670 r min Data transfer CD R speed 10 3x 24x CAV Approx 4 860 5 200 r min CD RW 10 3x 24x CAV Approx 4 860 5 200 r min CD R 4xCLV 10xCLV 10 16xPCAV 24xMAX CAV CD RW Normal Disc4xCLV High speed Disc4x 10xCLV Ultra speed Disc10xCLV 10 16xPCAV 24xMAX CAV Rotational Speed CD R RW 4xCLV Approx 800 2 020 r min10xCLV Approx 2 000 5 050 r min24xMAX CAV Approx 4 860 5 200 r min 33 3 Mbytes s max Ultra DMA Mode 2 MB s 16 6 Mbytes s max PIO Mode 4 Satellite L20 Maintenance Manual 960 Q01 17 Chatper 1 Hardware Overview Access time CD ROM Toms ms Random DVD ROM 120ms typ Buffer memory CD ROM Mode1 amp 2S CD ROM XA Form1 amp 2 CD DA CD I CD Extra CD Plus Video CD DVD R RW Supported disk DVD ROM format DVD Video DVD DVD R General Authoring DVD RW Single Multi boarder Packet DVD RAM 18 Satellite L20 Maintenance Manual 960 Q01 Chapter 1 Hardware Overview Table 1 4 DVD ROM amp CD R RW drive specifications 3 3 Drive Specification Parameter TSST TS L462C TOHJ CD ROM 24 3 60
29. A4 ee 1 FN IC DV 9 2 9 JL A 1 B i 2 D N 2 Figure E 1 US Keyboard layout United Kingdom UK Keyboard SE ESS ESE Ga 3 CN CB re De EET d dr dr db de n E Es Ex ii ii di OOS PERE ee eae i Id o Ja ae aoe Figure 2 UK Keyboard layout E 1 Keyboard Layout E 3 Arabia AR Keyboard See ela ate Gee MR A 54 e Dens 8 EE ACA Te Tm s ELETI Y TIILI SK e E Tey 2S OKZ p PRE TIN H Bi 2 Je SS L ir E 5 ixl re 22 Figure E 3 AR Keyboard layout E 4 Belgium BB Keyboard UA TE WYO ae d sy bim eeu beret P TE Aid ehe es aus Um ndis Gia wp ow did s EE nn D aa 2 SS lt lt ACE ERE Ix OER D AE Figure E 4 BB Keyboard layout 0 dm CZ D CZ D E E 2 Satellite L20 Maintenance Manual 960 Q01 Keyboard Layout Appendices E 5 Czech CZ Keyboard BE UDP yi t
30. Detail 1 Next 2 Prev 3 Exit 4 Clear 5 FD Log Read 6 FD Log Write 7 Log Save 136 Satellite L20 Maintenance Manual 960 Q01 Test Program for Field 2 Error information displayed on the screen can be manipulated with the following number keys The 1 key scrolls the display to the next page The 2 key scrolls the display to the previous page The 3 key returns to the Diagnostics Menu The 4 key erases all error log information in RAM The 5 key reads the log information from a floppy disk The 6 key writes the log information to a floppy disk The 7 key save the log information to a floppy disk The following are the test abbreviations for each Diagnostics Test Test Name Test Abbreviations System Test ROM Memory Test RAM Keyboard Test KBD Display Test CRT Floppy Disk Test FDD Hard Disk Test HDD Real Time Clock Test RTM Cache Memory Test CAH Height Resolution Display Test KIF Multimedia Test MLT Memory2 Test RAM Satellite L20 Maintenance Manual 960 Q01 137 Test Program for Field 3 19 System Configuration Select 05 from the Diagnostics Menu and press Enter to display the following system configuration CONFIGURATION BIOS VER VX XX KBC VER XXXX MAC ADDRESS XXXXXXXXXXXX 0 ASYNC ADAPTER 1 HDD DRIVE S XXXXXXXXXXXXXXXXXXXXXXXXXX FW Rev XXXXXXXX CUR LBA XXXXXXXX ORG LBA XXXXXXXX ERY TYPE XXXXXXXXXX B MEMORY SIZE CPU Chi
31. E Wg w gw gug tu ud JW J ag Em Em Ern Em Em E m Em Em Em Em Ern Ern Em E LU JU FL Jug nE gL WJ 3 1EmEmEmEmEmEmEmEmEmEmEmEmEmeE TE ine nE mE LJ LJ Lu 1EmEmEm Em EmEmEm Em Em Em Em Em Em E To exit this subtest and return to the High Resolution Display Test menu Press Enter if NO was selected for Test Loop on the Test Parameter Menu Press Ctrl break if YES was selected for Test Loop on the Test Parameter Menu Satellite L20 Maintenance Manual 960 Q01 127 Test Program for Field 3 13 Multimedia Test To execute the Multimedia Test select 10 from the Diagnostic Test Menu press Enter and follow the directions on the screen The Multimedia Test contains four subtests that test the computer s multimedia functions Move the highlight bar to the subtest you want to execute and press Enter NOTE Use the Toshiba Backup CD ROM for Subtests 01 02 and 03 Subtest 01 Sequential Read Test This subtest sequentially reads one block unit 2K bytes of all logical addresses from the test CD NOTE If NO is selected for Test Loop on the Test Parameter Menu the screen will remain blank while the subtest is executing When the test is complete the Multimedia Test menu displays If YES is selected for Test Loop on the Test Parameter Menu the Test Status screen displays while the subtest is executing Press Ctrl break to return to the Multimedia Test menu
32. Other main system chips Clock Generator ICS made ICS for ATI Platform EC KBC NS97551 x 1 AC97 CODEC Conexant 20468 51 x1 Audio AMP Maxim 9750x1 0 Mini PCI Wireless LAN card BTO 2 4GHz DSSS OFDM LAN card is equipped Conformity with IEEE 802 11b g Transfer speed is maximum of 54Mbit sec Supports 128bit WEP 0 LAN Realtek RT8100CL x 1 Controls LAN Supports 100Base TX and 10Base T Satellite L20 Maintenance Manual 960 Q01 Chatper 1 Hardware Overview MODEM Conexant 20493 21x 1 Supported by on board Modem DAA daughter card Data and FAX transmission is available Supports ITU TV 90 The transfer speed of data receiving is 56kbps of data sending is 33 6kbps and of FAX is 14 4kbps Actual speed depends on the quality of the line used Connected to telephone line through RJ11 MODEM jack 10 Satellite L20 Maintenance Manual 960 Q01 Chapter 1 Hardware Overview 1 3 2 5 inch Hard Disk Drive A compact high capacity HDD with a height of 9 5mm Contains a 2 5 inch magnetic disk and magnetic heads Figure 1 3 shows a view of the 2 5 inch HDD and Tables 1 1 and 1 2 list the specifications Figure 1 3 2 5 inch HDD Table 1 1 2 5 inch HDD dimensions Toshiba 40G 4200rpm PLUTO MK4025GAS Standard value Parameter Fujitsu Fujitsu Fujitsu Fujitsu MHV2100AT MHV2080AT MHV2060AT MHV2040AT Outline dimensions Standard value Parameter Fujitsu Fujitsu Fujitsu MHV2100AH MHV2080AH MHV2060
33. PIN Signainame vo PRN vo 1 FAN_PWR 2 GND 3 FANSIG 8 Satellite LIO Maintenance Manual Pin Assignment C 16 CN16 HDD I F Connector 44 PIN Table C 16 HDD I F connector 44 PIN 5V GND PDCS3 PDA2 PDIAG N C GND PSEL GND GND GND N C PDD15 PDD14 PDD13 PDD12 PDD11 PDD10 PDD9 PDD8 GND C 17 CN18 USB I F Connector 4 PIN 5V HDLED PDCS1 PDAO PDA1 IRQ14 PDDACK PHDRDY PDIOR PDIOW PDDREQ GND PDDO PDD1 PDD2 PDD3 PDD4 PDD5 PDD6 PDD7 RST_HDDO Table C 17 USB I F connector 4 PIN Signal name name EN No Sine name BUSBP1 BUSBP1 Satellite LIO Maintenance Manual C 9 Pin Assignment C 18 J1 Memory Connector 0 200 PIN Table C 18 Memory connector 0 200 PIN 1 3 PINNo Signalname 10 PINNo Signalname 10 1 DDR VREF GND GND MDQ50 MDQ55 MDQ51 MDQ54 GND GND M DM6 M_DQS 6 GND M DQS6 MDQ53 GND MDQ49 MDQ52 GND MDQ48 MDQ12 GND MDQ8 MDQ13 GND MDQ9 M GND GND M 1 M CLKOUT1 M DQS1 M_CLKOUT1 GND GND MDQ14 MDQ10 MDQ11 MDQ15 GND GND GND GND MDQ1 MDQ5 MDQ4 MDQO GND GND M DQS40 NC M DQSO M DMO GND GND MDQ7 MDQ3 MDQ6 GND GND MDQ20 MDQ17 C 10 Satellite LIO Maintenance Manual Pin Assignment 63 Table C 18 Memory connector 0 200 PIN 2 3 Sianainame vo inne I O 64 MDQ21 GND M DM2 NC GND MDQ18 MDQ23 GND M CKEO 1 8VSUS
34. Read Only Memory ROM Keys Keys are used in the text to describe many operations The key top symbol as it appears on the keyboard is printed in boldface type Key operation Some operations require you to simultaneously use two or more keys We identify such operations by the key top symbols separated by a plus sign For example Ctrl Pause Break means you must hold down Ctrl and at the same time press Pause Break If three keys are used hold down the first two and at the same time press the third User input Text that you are instructed to type in is shown in the boldface type below DISKCOPY A B The display Text generated by the computer that appears on its display is presented in the typeface below Format complete System transferred Satellite L20 Maintenance Manual 960 Q01 5 0 Table of Contents Chapter1 Hardware Overview 1 1 Fedre 1 1 2 System Block 6 123 Hard Disk avo RUE Made A E E E 11 VAP Optical DEVO extitit deesset haan aetna otiosus 15 1 4 1 DVD ROM amp CD R RW Drive esee rene 15 1 4 2 DVD Super Multo DEL Prep ode 20 1 5 Keyboard M M 26 1 6 TET Color Display ope E RE DURO Se I Uc dis eee seed eae 27 1 6 1
35. Replacement Procedures 5 Remove the following screws securing the HDD holder and remove the HDD holder M3 0x4 0B FLAT BIND screw x4 HDD HDD holder Figure 4 4 Removing a HDD 158 Satellite L20 Maintenance 960 001 Replacement Procedures Installing a HDD The following describes the procedure for installing a HDD See Figure 4 4 to 4 5 1 Install a HDD to the HDD holder and secure it with the following screws e M3 0x3 5F FLAT BIND screw x4 NOTE Although they are 3mm head screws screw torque must be set in 2 5kg cm for four screws securing the HDD holder 2 Insert the HDD assembly into the HDD slot and connect it carefully to the CN18 on the system board 3 Secure the HDD assembly with the following screw M2 5x4 0B FLAT BIND screw x1 Satellite L20 Maintenance 960 001 159 Replacement Procedures 4 5 Wireless LAN card Removing a Wireless LAN card The following describes the procedure for removing a Wireless LAN card See Figure 4 6 1 Remove the following screw of wireless cover securing wireless LAN card cover and remove it e 2 5 0 x 4 0B BIND screw x2 2 Disconnect the wireless LAN antenna cable Main Black cable and AUX White cable from the connectors on a wireless LAN card 3 Open the left and right latches holding a wireless LAN card and remove a wireless LAN card from the connector CN27 on the system board Wireless LAN card cover with 2 screws
36. Satellite L20 Maintenance 960 001 Replacement Procedures Memory Module Cover Latches Removing the memory module Figure 4 6 Removing a memory module Satellite L20 Maintenance 960 001 163 Replacement Procedures Installing a memory module To install a memory module confirm that the computer is in boot mode Then perform the following procedure See Figure 4 8 1 Insert memory module into the connector of the computer slantwise terminal side first and press it to connect firmly CAUTION The power must be turned off when you insert a memory module Inserting a memory module with the power on might damage the module or the computer itself Never press hard or bend a memory module 2 Install the memory slot cover and secure it with the screw 3 When the power of the computer is turned on the computer checks automatically the memory size Confirm that the new memory is detected correctly 4 Ifthe memory is not detected check that it is connected correctly Slot A Slot B Installing the memory module 164 Satellite L20 Maintenance 960 001 Replacement Procedures 4 7 Keyboard Removing the keyboard The following describes the procedure for removing the keyboard See Figure 4 9 to 4 11 CAUTION As the keycap may fall out when handling the keyboard always hold it by the frame and do not touch the keycap 1 Turn the computer upside down 2 Loo
37. Subtest 02 Random Read Test This subtest randomly reads all addresses Subtest 03 Read Specified Address Test This subtest reads data from a specified block of addresses The following message displays on the screen to enter the start and end block addresses START BLOCK ADDRESS END BLOCK ADDRESS 2 Subtest 04 1 Point W R C R RW Media NOTE Use CD R or CD RW the CD ROM and DVD cannot be used for this subtest and some DVD dual can t support this test This subtest writes specified data to a specified block count then reads and compares the result 128 Satellite L20 Maintenance Manual 960 Q01 Test Program for Field 3 14 MEMORY Test To execute the Expansion Test select 11 from the Diagnostic Test Menu press Enter and follow the directions on the screen The MEMORY Test contains four subtests that test the computer s Move the highlight bar to the subtest you want to execute and press Enter NOTE If NO is selected for Test Loop on the Test Parameter menu the Test Status screen displays while the test is executing When the test is complete the Memory Test menu displays If YES is selected for Test Loop on the Test Parameter menu the Test Status screen displays while the test is executing Press Ctrl break to return to the Memory Test menu Subtest 01 All one All zero test This subtest performs pseudorandom data read write The data consists of all ones all zero patterns produced by p
38. Table C 7 PC card I F connector 68 PIN 2 2 A_CC BE3 A_CAUDIO A_CSTSCHG A_CAD28 A_CAD30 A_CAD31 A_CCD2 GND C 8 CN23 RTC Battery Connector 2 PIN Table C 8 RTC battery connector 2 PIN vo Sgrainame lol e C 9 CN7 System Speaker Connector 4 PIN Table C 9 System Speaker connector 4 PIN Paine S nalname vo sme S namame vo 1 INSPKL N 2 INSPKL N 3 INSPKR N 4 INSPKR N C 10 CN8 S Video I F Connector 4 PIN Table C 10 S Video I F connector 4 PIN Paine S mammame vo emme Summae 10 1 GND 2 GND 3 TV LUMA 4 TV CHROMA C 6 Satellite LIO Maintenance Manual Pin Assignment C 11 CN10 DC IN Connector 4 PIN Table C 4 DC IN connector 4 PIN Sinalname vo emo Sgrainame vo rm if s __ _ _ C 12 CN11 USB I F Connector 4 PIN Table C 5 USB I F connector 4 PIN Seine io sie swine 16 USB5POWER BUSBP3 BUSBP3 C 13 CN13 CRT I F Connector 15 PIN Table C 13 CRT I F connector 15 PIN CRT_R1 CRT G1 CRT B1 N C GND 5 GND GND GND 5V_CRT2 GND N C CRTDDAT CRTHSYNC CRTVSYNC CRTDCLK Satellite LIO Maintenance Manual Pin Assignment C 14 CN14 System Battery Connector 5 PIN Table C 64 USB I F connector 4 PIN MBDATA TEMP_MBAT C 15 CN15 CPU Fan Connector 3 PIN Table C 75 CPU FAN connector 3
39. US board a ammess lamp 4 14 4 15 Hinge cover assembly side Touch pad Wireless antenna 4 23 CPU 4 24 VGA heat sink 4 25 TW tuner module 4 25 card slot e Chart Notation The chart shows the case for the following example Betters Removing a MDC ce c 3r dee media All FRUs down to the 4 2 Battery 5 HD dU depre pack to 4 11 Cover assembly above 42 tireless LAH sard SD board Microphone MDC must be 4 die removed 18 Saitch patr ane 3 Cptical disk drive Saver assen Base assembly m fi RTS boe cd Elustaa a baard 113 2 laga US Eca c 4k Tach pad sicc taner nodale 26 lot 144 Satellite L20 Maintenance Manual 960 Q01 Replacement Procedures Safety Precautions Please read the following safety instructions before disassembling the computer and always follow the instructions while working on the computer DANGER In the case of the battery always use authentic parts or equivalent parts approved by Toshiba Other batteries may have different specifications that are incompatible with the computer and may result in fire or explosion Due to the risk of alkali fluid leaks never attempt to heat or disassemble the battery Similarly due to the risk of explosion never expose the battery to flame Some parts in
40. Ver 1 0 Ver 2 0 for Authoring DVD RAM Ver 1 0 DVD R Ver 2 1 for General DVD R DL DVD RW DVD RAM Ver 2 2 DVD R SL DL and DVD RW 22 Satellite L20 Maintenance Manual 960 001 Chapter 1 Hardware Overview Table 1 8 DVD Super Multi drive specifications 3 4 Drive Specification Parameter Pioneer DVR K16TBA 8X CAV at DVD ROM Single Layer DVD R RW and R RW 6X CAV at DVD ROM DualLayer DVD R DL and R DL Read KB s 5X Zone CLV at DVD RAM 24XCAV at CD ROM andCD R RW 8X Zone CLV at DVD R R and RW 6X Zone CLV at DVD RW Data transfer 5X Zone CLV at DVD RAM speed Write 4X Zone CLV at DVD R DL Dual Layer and R DL Double Layer 24X Zone CLV at CD R RW SFF 8020 SFF 8090 Ver 5 IDE Data Transfer Mode PIO Mode 4 ATAPI interface Multi Word DMA Mode 2 MB s UltraDMA Mode2 Access time CD ROM 130 Random ms DVD ROM 150 Random KODAK Photo CD Single and Multi session CD Extra CD PLUS Video CD CD text data Read Write CD R discs Read Write CD RW discs Read Write DVD ROM k oe als DVD R Ver 2 00 for General Read Write DVD R DL Ver 3 0 Read Write DVD RW Ver 1 0 amp 1 1 amp 1 2 Read Write DVD DVD R Ver 1 0 amp 1 11 amp 1 2 Read Write DVD RDL Ver1 0 Read Write DVD RW Ver 1 1 amp 1 2 Read Write DVD RW high speed Ver 1 0 Read Write DVD RAM Ver 2 0 amp 2 1 Read Write Satellite L20 Maintenance Manual 960 Q01 23 Chatper 1 Hardware Ov
41. compares the result with the original data After comparing the incremental data decrement data FFH FEH FEH through 02H 01H OOH is written and the new data is read and compared with the original data The original cache memory content is then restored to the cache memory 120 Satellite L20 Maintenance Manual 960 Q01 Test Program for Field Subtest 04 Subtest 05 Subtest 06 Subtest 07 Subtest 08 Bit Shift Pattern Test This subtest reads the contents of cache memory and saves it into RAM The subtest then writes the bit shift data patterns 1 bit shifted every 4 bytes reads the new data and compares the result with the original data The original cache memory content is then restored to the cache memory Write Disturb Test We can t support this time This subtest reads the contents of cache memory and saves it into RAM The subtest then writes the write disturb data reads the new data and compares the result with the original data The original cache memory content is then restored to the cache memory Checker Board Test This subtest reads the contents of cache memory and saves it into RAM The subtest then writes the checker board data data which is inverted front back and left right reads the new data and compares the result with the original data The original cache memory content is then restored to the cache memory Marching Test This subtest reads the contents of cache memory and save
42. components 0 CPU 0 itsupports Celeron M CPU as follows Intel Celeron M 350 1 30GHz 360 1 40GHz 370 1 50GHz 380 1 6GHz L1 cache 64KB 32KB 32KB L2 cache IMB FSB 400MHz Core voltage 1 26V 0 Memory Two memory slots capable of accepting DDRII SDRAM 256MB 512MB 1GB memory modules for a maximum of 2GB e 200 pin SO DIMM 1 8V operation PC4200 support BIOS ROM Flash memory AMbit 512Kx8 bit chip Chipset This gate array has the following elements and functions North Bridge ATI RC410MB for Celeron M Platform Celeron M processor System Bus support DRAM Controller DDRII 400 533 support A Link Express Interface 707 ball 31mmx31mm FC BGA Package Satellite L20 Maintenance Manual 960 Q01 Chatper 1 Hardware Overview e South Bridge ATI SB400 for Celeron M Platform PCI slot IDE controller SATA controller controller USB host interface USB 2 0 host controller Interrupt controller SM Bus interface ACPI Power management Low Pin count LPC interface Real time clock AC 97 Rev 2 3 interface 564 pin 31mmx31mm BGA Package card controller PCI1510 Texas Instrument made PCI Interface PCI Rev 2 3 PC Card Controller Satellite L20 Maintenance Manual 960 Q01 Chapter I Hardware Overview VGA controller e Intel VGA 32MB 64MB LVDS OrATI 32MB 64MB 128MB LVDS 0
43. e M2 5x60B FLAT BIND screw x18 M2 5x2 0 FLAT BIND screw x3 Figure 4 17 Removing the screws back Satellite L20 Maintenance 960 001 181 Replacement Procedures Figure 4 17 Removing the screws back 3 Disconnect the touch pad flat cable from the connector on the system board 4 Removing the screw from power board and remove the power board M2 5x3 0B FLAT BIND screw x2 182 Satellite L20 Maintenance 960 001 Replacement Procedures M2 5x3 0 Power board a 2 SP Touch pad flat cable Figure 4 18 Removing the screws amp cables front Satellite 120 Maintenance Manual 960 Q01 183 Replacement Procedures 5 Pull up and remove the cover assembly from the base assembly Cover assembly Base assembly Figure 4 19 Removing the cover assembly 184 Satellite L20 Maintenance 960 001 Replacement Procedures Installing the cover assembly The following describes the procedure for installing the cover assembly See Figure 4 21 to 4 24 1 Install the cover assembly to the base assembly NOTE Be careful not to catch the cables between cover assembly and base assembly 2 Connect the touch pad flat cable to the connector on the system board 3 Secure the cover assembly with the following screws from the back and bottom of computer M2 5x20B FLAT BIND screw x3 e M2 5x6 0B FLAT BIND screw x18 e M2 5x3 0B FLAT BIND screw x2 Satellite L20 Maintenan
44. ets titer 2 18 Procedure 2Test Program Check nested t Re 2 18 Procedure 3Connector Check and Replacement 2 18 aetna Ob 2 20 Procedure 1 Test Program 2 20 Procedure 2Connector Check and Replacement 2 20 KES ae RSS 2 2 Procedure 1 Test Program Cheek 2 21 EQUIUM M40 M45 Satellite M40 M45 Maintenance Manual 2 Troubleshooting Procedure 2 Connector Check and Replacement Check 2 21 2 11 TREE 1394 Test Optional utin erem heo tache nean 2 22 Procedure T Test Program C heck eie 2 22 Procedure 2Conmnector Check odo et CRG Oe acelin dd 2 22 2 12 Cooling Module 5 du ete dust UI S RES atest midnatt 2 23 Procedure Test Program Check 2 23 Procedure 2Connector Check and Replacement 2 23 EQUIUM M40 M45 Satellite M40 M45 Maintenance Manual 2 iti 2 Troubleshooting Figures Figure 2 1 Basic SN 2 3 Tables Table 2 1 HDD error code and 000000000000 0 2 13 2 iv EQUIUM M40 M45 Satellite M40 M45 Maintenance Manual 2 1 Outline 2 Troubleshooting 2 1 Outline This chapte
45. not store the module at temperatures below specifications Cold can cause the liquid crystals to freeze lose their elasticity or otherwise suffer damage SES x x 9 Do not disassemble the LCD module Disassembly can cause malfunctions Satellite L20 Maintenance 960 001 Handling the LCD Module 10 If you transport the module do not use packing material that contains epoxy resin amine or silicon glue alcohol or oxide These materials can release gas that can damage the panel s polarization Satellite L20 Maintenance Manual 960 Q01 A 5 Handling the LCD Module A 6 Satellite L20 Maintenance Manual 960 Q01 Appendix B Board Layout B 1 System Board Front View Figure B 1 System board layout front Satellite 110 Maintenance Manual 960 Q01 B 1 Board Layout Table B 1 System board ICs and connectors front f System Speaker Connector B 2 PC Card Connector Satellite 110 Maintenance Manual 960 Q01 Board Layout B 2 System Board Back View a b c d e I TAM DAUEVEHBEIS a REVID re Figure B 2 System board layout Back Satellite LIO Maintenance 960 001 B 3 Board Layout Table B 2 System board ICs and connectors back me n B 4 Satellite L10 Maintenance Manual 960 Q01 Board Layout B 3 LED board lt Front layout gt Y n Dn m B
46. of the keyboard Figure 1 6 Keyboard See Appendix E for details of the keyboard layout 26 Satellite L20 Maintenance Manual 960 001 Chapter 1 Hardware Overview 1 6 TFT Color Display The TFT color display is 15 0 inch and consists of LCD module and FL inverter board 1 6 1 LCD Module The LCD module used for the TFT color display uses a backlight as the light source and can display a maximum of 262 144 colors with 1 024 x 768 resolution Figure 1 8 shows a view of the LCD module and Table 1 9 lists the specifications Figure 1 7 LCD module Table 1 7 LCD module specifications Specifications LG Philips SHARP SHARP AU LP150X08 LQ150X1LHS LQ150X1 B150XG01 TLA2 2 LBS2 V 7 Number of Dots 1 024 W x 768 H Dot spacing mm 0 297 0 297 V Satellite L20 Maintenance Manual 960 Q01 27 AU B150XG01 V 8 Chatper 1 Hardware Overview 28 Satellite L20 Maintenance Manual 960 Q01 Chapter 1 Hardware Overview 1 6 2 FL Inverter Board The FL inverter board supplies a high frequency current to illuminate the LCD module FL Table 1 10 lists the FL inverter board specifications Table 1 8 FL inverter board specifications Specifications SUMIDA IV002 Input mem 75 21 Power 1500 1500 1900 f 55KHz FU Satellite L20 Maintenance Manual 960 Q01 29 Chatper 1 Hardware Overview 1 7 Power Supply The power supply supplies 23 different
47. supply use only an AC adapter and cable approved by Toshiba To prevent electric shock ensure that all replacement parts are compatible with the computer and that all cables and connectors are securely connected Satellite L20 Maintenance Manual 960 Q01 145 Replacement Procedures Before You Begin Take note of the following points before starting work Always remove the AC adapter and battery pack before commencing any of the procedures The procedure for removing the battery pack is described in section 4 2 1 Battery Pack 1 2 9 Do not disassemble the computer unless it is operating abnormally Use the designated tools Ensure that the environment for working on and storing parts does not contain any of the following e Dust or dirt e Static electricity e Extremely hot cold or humid conditions Perform the diagnostic tests described in Chapter 2 to determine which FRU is the cause of the fault Do not perform any unnecessary work Always work in accordance with the disassembly and reassembly procedures in this manual Keep parts removed from the computer in a safe place away from the computer where they will not be damaged or interfere with your work Disassembling requires the removal of a large number of screws Keep removed screws in a safe place such that you can determine which screws belong to which part When reassembling ensure that you use the correct screws and fit parts in the corre
48. test go to Procedure 2 If no error is detected the Audio itself is normal Procedure 2 Connector Check and Replacement Check The Audio or system board may be disconnected or faulty Disassemble the computer following the steps described in Chapter 4 and perform the following checks Check 1 Make sure the Speaker cable has been firmly connected to the system board Speaker System board If the cable is loose or off reconnect it firmly and return to Procedure 1 If there is still an error perform Check 2 Check 2 The Speaker may be faulty Replace it with a new one following the instructions in Chapter 4 If the problem persists perform Check 3 Check 3 The System board may be faulty Replace it with a new one following the instructions in Chapter 4 If the Audio is still not functioning properly perform Check 4 Check 4 The memory may be defective Replace the memory module with a new one following the steps described in Chapter 4 If the problem persist perform Check 5 Check 5 The CPU may be faulty Disassemble the computer following the steps described in Chapter 4 and replace the CPU with a new one EQUIUM M40 M45 Satellite M40 M45 Maintenance Manual 2 21 2 Troubleshooting 2 11 IEEE 1394 Test 2 11 IEEE 1394 Test Optional To check if the computer s IEEE 1394 is defective or malfunctioning follow the troubleshooting procedures below as instructed Procedure 1 Test Program Check Procedure 2 Connector Check P
49. the touch pad and stick the glass tape on the connector Satellite L20 Maintenance 960 001 187 Replacement Procedures 4 20 System board CAUTION 1 When handling the system board always hold by the edges Do not touch the printed circuit face 2 If replacing with a new system board execute the subtestO1 Initial configuration in section 3 3 Setting of the hardware configuration Also update with the latest BIOS as described in Appendix G BIOS Rewrite Procedures and with the latest EC KBC as described in Appendix H EC KBC Rewrite Procedures Removing the system board The following describes the procedure for removing the system board See Figure 4 41 1 Disconnect the speaker cable from the connector CN11 on the system board 2 Remove the following screws securing the system board and remove the system board M2 5x40 BIND screw x2 M2 5x4 0 BIND SCREW Figure 4 21 Removing the system board 188 Satellite L20 Maintenance 960 001 Replacement Procedures Installing the system board The following describes the procedure for installing the system board See Figure 4 41 1 Secure the system board with the following screws M2 5x4 0 BIND screw x2 2 Connect the speaker cable to the connector CN 11 on the system board Satellite L20 Maintenance 960 001 189 Replacement Procedures 4 21 CPU Removing the CPU The following describes the procedure for removing t
50. 0 KB sec CAV 24 CD RW Max 24X 3 600 KB sec CAV 24X Read KB s DVD Single Max 8X 10 800 KB sec DVD Dual Max 6 10 800 KB sec CD R Max 24X 3 600 KB sec P CAV 24X 20X 16X CLV 0X 8X AX Data transfer CD RW Max 4X 600 KB sec CLV 4X speed HS CD RW Max 10X 1 500 KB sec CLV 10X US CD RW Max 24X 3 600 KB sec P CAV 24 16 PIO Mode4 Max 16 6 MB sec ATAPI interface DMA Multiword Mode2 Max 16 6 MB sec MB s ULTRA DMA Mode2 Max 33 2 MB sec Access time CD ROM 130ms typ ms Random DVD ROM 150ms typ CD DA Red Book Standard Audio CD amp CD TEXT CD ROM Yellow Book 1 amp 2 Standard Data CD ROM XA Mode2 Form1 amp 2 Photo CD Multi Session CD I Green Book Mode2 Form1 amp 2 Ready Bridge CD Extra CD Plus Blue Book Audio amp Text Video CD Video CD White Book MPEG1 Video CD R Orange Book Part CD RW amp HSRW Orange Book Part Volume1 amp Volume2 Supported disk Super Audio CD SACD Hybrid type format US amp US4 RW DVD ROM Book 1 02 DVD Dual DVD Video Book 1 1 DVD R Book 1 0 3 9G DVD R Book 2 0 4 7G General amp Authoring DVD R Version 1 0 DVD R DL DVD RW DVD RW Non CPRM amp CPRM Satellite L20 Maintenance Manual 960 Q01 19 Chatper 1 Hardware Overview 1 4 2 DVD Super Multi Drive The DVD Super Multi drive accommodates either 12 cm 4 72 inch or 8 cm 3 15 inch CD DVD ROM CD R RW DVD R RW and DVD RAM It is a high per
51. 1 If there is still an error perform Check 2 Check 2 The HDD may be damaged Replace it with a new one following the disassembling instructions in Chapter 4 If the problem persists perform Check 3 Check 3 The System board may be damaged Replace it with a new one following the disassembling instructions in Chapter 4 If the problem persists perform Check 4 Check 4 The CPU may be damaged Replace it with a new one following the disassembling instructions in Chapter 4 2 14 EQUIUM M40 M45 Satellite M40 M45 Maintenance Manual 2 6 Keyboard 2 Troubleshooting 2 6 Keyboard To check if the computer s keyboard is defective or malfunctioning follow the troubleshooting procedures below as instructed Procedure 1 Test Program Check Procedure 2 Connector Check and Replacement Check Procedure 1 Test Program Check Execute the Keyboard test available as part of the maintenance test program See Chapter 3 for information on how to perform the test If an error is detected in the test go to Procedure 2 If no error is detected the keyboard itself is normal Procedure 2 Connector Check and Replacement Check The keyboard or system board may be disconnected or faulty Disassemble the computer following the steps described in Chapter 4 and perform the following checks Check 1 Make sure the keyboard cable has been firmly connected to the system board Keyboard System board CPU If the cable is loose or off reconnect it
52. 2 0x3 0 BINK screw x8 2 Stand the LCD unit on the display cover and connect the LCD harness to the connector on the back of LCD 3 Stick the conductive tape on the connector of LCD harness 4 Secure the LCD unit with the following screws M2 5x4 0 BINK screw x6 5 Connect LCD harnesses to the connector of the FL inverter CAUTION Be careful not to connect the LCD harnesses to the wrong connectors of FL inverter 6 Connect HV harnesses to the connector CN2 of the FL inverter 7 Install the display mask while fitting the latches 8 Secure the display mask with following screws M2 5x6 0 BIND screw X4 9 Cover screws with Screw rubber cover X4 NOTE When installing the display mask make sure there is no gap between the display mask and the display cover Satellite L20 Maintenance Manual 960 Q01 197 Appendices Satellite L20 Maintenance 960 001 App i App ii Satellite L20 Maintenance 960 001 Appendix Contents Appendix A Appendix B B 1 B 2 B 3 B 4 Appendix C System Board 1 C2 4 C 5 C 6 C 8 C9 C 10 Call C12 C 13 C 14 C 15 C 16 C 17 C 18 Handling the LCD A 1 NEZ c S B 1 System Board Front V16w ooi ee etta opea et eso d e te ie B 1 System Board Back View Les ees oce d tact eoo er UOS B 3 EED BOSE oce ai 5
53. 93 Figure 4 26 Removing the FL inverters uncos aedi ge ieee dod put Pate 194 Figure 4 27 Removing the LCD unit 195 Figure 4 28 Removing the LCD 196 4 iv Satellite L20 Maintenance Manual 960 Q01 Replacement Procedures 4 1 Overview This chapter describes the procedure for removing and replacing the field replaceable units FRUs in the PC It may not be necessary to remove all the FRUs in order to replace one The chart below provides a guide as to which other FRUs must be removed before a particular FRU can be removed The numbers in the chart indicate the relevant section numbers in this manual In all cases when removing an FRU the battery pack must also be removed When repairing an FRU that is the potential cause of a computer fault use the chart to determine the order in which FRUs need to be removed The tilt stand if it is installed can be removed without any other FRUs removed 4 2 Battery pack 43 card Bridze media HDD 47 Keyboard 4 5 Wireless LAN card 4 8 Switch membrane 4 5 Memory module 48 fptical disk drive 4 11 Cover assembly 4 27 e L amp D unit Cover assembly Base assembly FL Inverter 4 12 4 13 4 16 4 1 CPU fan SD board battery Bluetooth ees board Microphone LE board MDC 4 16 Display assembly 4 26 4 36 LCD Fluorescent 4 18
54. AH Width mm Outline Height mm dimensions Depth mm Weight g Parameter Standard value Satellite L20 Maintenance Manual 960 Q01 11 Chatper 1 Hardware Overview Toshiba Toshiba Toshiba Toshiba MK1031GAS MK8025GAS MK6025GAS MK4025GAS Standard value Parameter Toshiba Toshiba Toshiba Toshiba MK1032GAX MK8026GAX MK6026GAX MK4026GAX 12 Satellite L20 Maintenance Manual 960 Q01 Chapter 1 Hardware Overview Table 1 2 2 5 inch HDD Specifications Fujitsu Fujitsu Fujitsu Fujitsu Parameter MHV2100AT MHV2080AT MHV2060AT MHV2040AT Storage size formatted 100GB 80GB 60GB 40GB Speed RPM 4 200 Data transfer speed Mbits s Interface transfer rate MB s 100 Ultra DMA Mode Average random seek time read ms 12 typ Average random seek time write ms Power on to ready sec 3 5 typ Specification Fujitsu Fujitsu Fujitsu Parameter MHV2100AH MHV2080AH MHV2060AH Storage size formatted 100GB 80GB 60GB Speed RPM 5 400 Data transfer speed Mbits s Interface transfer rate MB s 475 100 Ultra DMA Mode Average random seek time read ms Average random seek time write ms Power on to ready sec Satellite L20 Maintenance Manual 960 Q01 13 Chatper 1 Hardware Overview Specification Parameter Toshiba Toshiba Toshiba Toshiba MK1031GAS MK8025GAS MK6025GAS 4025 5 Storage size formatted 100GB 80GB 60GB 40GB Sp
55. CN27 Wireless LAN antenna MAIN cable black cable AUX IN Wireless LAN antenna RN a cable white cable Figure 4 5 Removing a wireless LAN card Wireless LAN card 160 Satellite L20 Maintenance Manual 960 Q01 Replacement Procedures Installing a Wireless LAN card The following describes the procedure for installing a Wireless LAN card See Figure 4 7 1 Insert a wireless LAN card terminals slantwise into the connector CN27 on the computer and press a wireless LAN card until it is securely in place 2 Connect the wireless LAN antenna cables black and white to the terminals on a wireless LAN card 3 Install the wireless LAN card cover and secure it with the following screw Satellite L20 Maintenance 960 001 161 Replacement Procedures 4 6 Memory module CAUTION The power of the computer must be turned off when you remove a memory module Removing a memory module with the power on risks damaging the module or the computer itself Do not touch memory module terminals Any dirt on the terminals may cause memory access problems Never press hard or bend a memory module Removing a memory module To remove a memory module confirm that the computer is in boot mode Then perform the following procedure See Figure 4 8 1 Loose the screw securing the memory slot cover 2 Remove the memory slot cover 3 Open the left and right latches and remove a memory module 162
56. D3V LCDID1 LCDIDO DISPON VADJ INVCCO INVCCO GND TXUOUT1 TXUOUT1 GND TXUOUT2 TXUOUT2 PHL DATA PHL CLK GND TXLCLKOUT TXLCLKOUT GND TXLOUTO TXLOUTO GND TXLOUT1 TXLOUT1 GND TXLOUT2 TXLOUT2 GND TXUOUTO TXUOUTO GND TXUCLKOUT TXUCLKOUT Satellite LIO Maintenance Manual C 3 Pin Assignment C 5 Keyboard I F Connector 25 PIN Table C 5 Keyboard I F connector 25 PIN MX6 MYO MY2 MYS MY5 MY7 MX3 MX2 MY10 MXO MY13 MY15 00000000 0006 00000000 00006 C 6 CN4 Touch PAD I F Connector 6 PIN Table C 6 Pad I F connector 6 PIN Signal name Signal name 5 TP GND TP DATA TP_CLK GND GND C 4 Satellite LIO Maintenance Manual Pin Assignment C 7 5 PC Card I F Connector 68 PIN Table C 7 PC Card I F connector 68 PIN 1 2 GND A_CAD1 A_CAD5 A_CC BE0 A_CAD11 A_CAD14 A_CPAR A_CGNT VCCCB A CCLK1 A CC BE2 t A CAD20 A CAD22 A CAD24 A CAD26 A CAD29 CCLKRUN GND A CAD2 CAD6 CAD8 A_CVS1 A_CAD15 CRSVD A18 A_CSTOP VCCCB A_CTRDY A_CAD17 A_CVS2 A_CSERR Satellite LIO Maintenance Manual A_CADO A_CAD3 A_CAD7 A_CAD9 A_CAD12 A_CC BE1 A_CPERR A_CINT AVPP A_CIRDY A_CAD18 A_CAD21 A_CAD23 A_CAD25 A_CAD27 A CRSVD D2 GND A_CCD1 A_CAD4 A_RSVD D14 A_CAD10 A_CAD13 A_CAD16 A_CBLOCK A_CDEVSEL AVPP A_CFRAME A_CAD19 A_CRST A_CREQ C 5 Pin Assignment
57. DQS40 NC M DQSO M DMO GND GND MDQ7 MDQ3 MDQ6 GND GND MDQ20 MDQ17 Satellite LIO Maintenance Manual Pin Assignment 63 Table C 19 Memory connector I 200 PIN 2 3 Sianainame vo I O 64 MDQ21 GND M DM2 NC GND MDQ18 MDQ23 GND M CKEO 1 8VSUS N C MA17 1 8VSUS MA12 MA9 MA8 1 8VSUS 5 MA1 1 8VSUS MA10 MA15 M_WE 1 8VSUS M_CAS M_CS 1 1 8VSUS M_ODT2 GND MDQ25 MDQ24 GND M_DQS 3 M_DQS3 GND MDQ16 GND M_DQS 2 M_DQS2 GND MDQ19 MDQ22 GND M_CKE1 1 8VSUS N C MA14 1 8VSUS MA11 MA7 MA6 1 8VSUS MA4 MA2 MAO 1 8VSUS MA16 M_RAS M_CS 0 1 8VSUS M ODTO MA13 1 8VSUS NC GND MDQ29 MDQ28 GND M_DM3 GND MDQ30 Satellite LIO Maintenance Manual Pin Assignment able C 19 Memory connector I 200 PIN 3 3 MDQ27 MDQ31 GND MDQ33 MDQ36 GND M DM4 GND MDQ39 MDQ35 GND MDQ41 MDQ40 GND NC GND M_DQS 5 M_DQS5 GND MDQ43 MDQ47 GND MDQ57 MDQ61 GND M_DM7 GND MDQ59 MDQ63 GND SDATA SCLK 3V Satellite LIO Maintenance Manual MDQ26 GND MDQ32 MDQ37 GND M_DQS 4 M_DQS4 GND MDQ38 MDQ34 GND MDQ44 MDQ45 GND M_CLKOUT3 M_CLKOUT3 GND M_DM5 GND MDQ46 MDQ42 GND MDQ56 MDQ60 GND M_DQS 7 M DQS7 GND MDQ58 MDQ62 GND 3V 3V Pin Assignment C 20 CN19 USB I F connector 4 PIN Table C 20 USB I F connector 4 PIN Signal name name E
58. Displays test data that has failed to compare during the test while being read during the test Displays the Test Address The format differs for each test Displays the error status Displays the name of the error Satellite L20 Maintenance Manual 960 Q01 Test Program for Field 3 21 4 Test Stop Display If an error occurs during a Subtest and YES is selected for Error Stop the following message displays OPERATION Test end Continue Retry Select 1 2 or 3 The three selections have the following functions 1 Terminates the test program and exits to the subtest menu 2 Continues the test from the error 3 Restarts the test from the beginning Use the arrow keys to move the cursor to the desired option and press Enter 3 21 5 How to enter data Letters which must be entered are always shown in Simultaneous entries are displayed by a mark For example a Enter Press the key then press the Enter key Ctrl c Press the Ctrl key and the key simultaneously Satellite L20 Maintenance Manual 960 Q01 143 Chapter 4 Replacement Procedures Satellite L20 Maintenance Manual 960 Q01 4 Replacement Procedures Satellite L20 Maintenance 960 001 Replacement Procedures Chapter 4 Contents 4 1 4 2 4 3 4 4 4 5 4 6 4 7 4 8 4 9 4 10 4 11 4 12 4 20 4 21 COM OE VIC edat de etia ee ed 144 S
59. Enter and follow the directions on the screen The Cache Memory Test contains eight subtests that test the computer s cache memory Move the highlight bar to the subtest you want to execute and press Enter NOTE If NO is selected for Test Loop on the Test Parameter menu the screen will remain blank while the subtest is executing When the test is complete the Cache Memory Test menu displays If YES is selected for Test Loop on the Test Parameter menu the Test Status screen displays while the subtest is executing Press Ctrl break to return to the Cache Memory Test menu Subtest 01 Constant Data Test This subtest reads the contents of cache memory and saves it into RAM The subtest then writes constant data FFFFH AAAAH 5555H 0101H 0000H reads the new data and compares the result with the original data pattern The original cache memory content is then restored to the cache memory Subtest 02 Address Pattern Test This subtest reads the contents of cache memory and saves it into RAM The subtest then writes address data patterns OOOOH 0001H 0002H through 3FFDH 3FFEH 3FFFH reads the new data and compares the result with the original data The original cache memory content is then restored to the cache memory Subtest 03 Increment Decrement Test This subtest reads the contents of cache memory and saves it into RAM The subtest then writes the increment data OOH 01H 02H through FDH FEH FFH reads the new data and
60. FFFB0004000400040004 FFFDFFFDFFFDFFFD0002000200020002 FFFEFFFEFFFEFFFE0001000100010001 80008000800080007FFF7FFF7FFF7FFF 4000400040004000BFFFBFFFBFFFBFFF UJ 0004000400040004FFFBFFFBFFFBFFFI 0002000200020002FFFDFFFDFFFDFFFI 0001000100010001FFFEFFFEFFFEFFFE 130 Satellite 120 Maintenance Manual 960 Q01 Test Program for Field 3 15 Error Codes and Error Status Names The following table lists the error codes and error status names for the Diagnostic Tests Table 3 2 Error codes and error status names 1 2 02 Protected Mode Not Changed FDD 01 Bad Command Error 02 Address Mark Not Found 03 Write Protected 04 Record Not Found 06 Media Change Line Error 08 DMA Overrun Error 09 DMA Boundary Error 0C Select Media Error 10 CRC Error 20 FDC Error 40 Seek Error 80 Time Out Error Other Error HDD Bad Command Error Bad Address Mark Error Record Not Found HDC Not Reset Error Drive Not Initialized DMA Boundary Error Bad Sector Bad Track Error ECC Error ECC Recover Enabled HDC Error Seek Error Time Out Error Drive Not Ready Satellite L20 Maintenance Manual 960 Q01 131 Test Program for Field Table 3 2 Error codes and error status names 2 2 HDD B C B EO FO 02 03 01 15 Undefined Error Write Fault Status Error No Sense Error Oth
61. Format complete If you cannot format the HDD using the test program go to Procedure 4 2 12 EQUIUM M40 M45 Satellite M40 M45 Maintenance Manual 2 5 2 5 inch HDD 2 Troubleshooting Procedure 4 Test Program Check Run the HDD test program stored on the maintenance test program disk for all test items See Chapter 3 for details on how to use the test program If an error is detected during the HDD test an error code and status will be displayed The error codes and their status names are listed in Table 2 1 If an error code is not generated and the problem still exists go to Procedure 5 Table 2 I HDD error code and status 2 WERE Pattern 4 __ 88 Back Data 5 Compare Error Hestore Data Verify Error Seek Error Disk Controller Self Test Failed Disk Controller Test unexpected interrupt Failed 12 Disk Controller action Test Failed 13 Disk dos not support 15 read attribute value error Disk SMART attribute_value error EQUIUM M40 M45 Satellite M40 M45 Maintenance Manual 2 13 2 Troubleshooting 2 5 2 5 inch HDD Procedure 5 Connector Check and Replacement Check The HDD or system board may be faulty Disassemble the computer following the steps described in Chapter 4 and perform the following checks Check 1 Make sure the following connectors have been firmly connected to the HDD system board and CPU System board If any connector is loose or off reconnect it firmly and return to Procedure
62. HHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH To exit this subtest and return to the Display Test menu Press Enter if NO was selected for Test Loop on the Test Parameter Menu Press Ctrl break if YES was selected for Test Loop on the Test Parameter Menu Video DAC Register W R C This subtest writes data patterns to the Video DAC register lookup table PEL Address register then reads the new data and compares the result to the original data patterns The original content of the Video DAC register is saved in RAM and restored after the test is completed The test data patterns are 00H 15H 2AH and 3FH NOTE If NO is selected for Test Loop on the Test Parameter menu Screen will remain blank displays on the screen while the test is executing When the test is complete the Display Test menu displays If YES is selected for Test Loop on the Test Parameter menu The Screen will remain blank displays on the screen and then the screen flickers due to the fast screen refresh while the test is exe
63. HHHHHHHHHHHHHHHHHHHHHH To exit this subtest and return to the High Resolution Display Test menu Press Enter if NO was selected for Test Loop on the Test Parameter Menu Press Ctrl break if YES was selected for Test Loop on the Test Parameter Menu Satellite 120 Maintenance Manual 960 Q01 Test Program for Field Subtest 06 Focus Test Pattern This subtest sets the 1024 768 Mode and displays patterns 18 18 dot fonts at 56 letters 42 lines surrounded by a high resolution white frame Em Em Em Em Em E m Em Em Em Em Em Em Em E WWW Li Lu Ju 3 Lun uu 3 Lu Lui 3 Lu Em Em Em Em Em E m Em Ern Em Em Ern Em Em E Lr Lu 9 SL 3 LL Lu METETE Em Em Em Em Em E m Em Em Em Em Em Em Er E WLW LU LW WJ WWW JW Jj Em Em Ern Em Em E m Em Ern Em Em Em Ern Er E LU LJ Lu LU LL JW 3 JJ Em Em Em Em Em E m Em Em Em Em Em Em Em E LW JU WW LW J Lu Em Em Em Em Em rm Em Ern Em Em Ern Em Em E Em Em Em Em Em E m Em Em Em Em Em Em Em E LU FW WSL Lar JW uu 3 LI Em Em Ern Eri Em E m Em Em Em Em Em Em Em E LLI LU Ju LL Lu 3 Lu 3 LJ na 3 uui Em Em Em Em Em E Em Em Em Em Em Em Em E wg wg JU Em Em Em Em Em E m Em Em Ern Em Em Em Em E LU LL LW JL WW JW Wg Em Em Ern Em Em E m Em Em Em Em Em Em Em
64. HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH
65. HIJKLMNOPORSTUVWXYZ M abcdef gh I j 1 mnopgrst 3456789 ABCDEFGHIJKLMNOPORSTUVWXYZ abcdef gh I j I mnopgrst 456789 gt ABCDEFGHIJKLMNOPORSTUVWXYZ _ abcdef gh I j I mnopgrst Press Enter KEY To exit this subtest and return to the Display Test menu Press Enter if NO was selected for Test Loop on the Test Parameter Menu Press Ctrl break if YES was selected for Test Loop on the Test Parameter Menu Satellite L20 Maintenance Manual 960 Q01 Test Program for Field Subtest 04 320 200 Character Display This subtest uses 320 200 video resolution to display green red and yellow followed by cyan magenta and white The screen below shows the displays when this subtest is executed 320 200 GRAPHICS DISPLAY COLOR SET 0 4 GREEN RED YELLOW CYAN MAGENTA WHITE Press ENTER to display the following sixteen colors black blue green cyan red magenta brown white dark gray light blue light green light cyan light red light magenta yellow and intensified white Satellite L20 Maintenance Manual 960 Q01 101 Test Program for Field 320 200 GRAPHICS DISPLAY E D BLUE CYAN ED MN EEE ___ hE BLUE GREEN CYAN RED MAGENTA Press Enter KEY WHITE Press ENTER to display 64 gradations of red green blue and white on the screen 320 200 GRAPHICS DISPLAY 64 gradations of red are displayed 64 gradati
66. LM CEDE Signal name BUSBPO BUSBPO C 21 CN20 External MIC Connector 8 PIN Table C 21 External MIC connector amp PIN Panne Sigratrame vo minne Signainame vo AUDGND SYS MIC 1 MBIAS AUDGND AUDGND N C AUDGND AUDGND C 22 CN21 Headphone OUT Connector 8 PIN Table C 22 Headphone OUT connector amp PIN pane Sionainame vo emo Sgnainame vo AUDGND SPKL SYS SPKR SYS AUDGND HPS PLUGIN N C AUDGND AUDGND C 16 Satellite LIO Maintenance Manual Pin Assignment C 23 CN22 ODD I F Connector 50 PIN Table C 23 ODD I F connector 50 PIN N C N C N C RST_RBAYO SDD7 SDD6 SDD5 SDD4 SDD3 SDD2 SDD1 SDDO GND SDIOW SDIORDY IRQ15 SDA1 SDAO SDCS1 CDLED 5V 5V GND GND RCSEL_R N C Satellite LIO Maintenance Manual GND SDD8 SDD9 SDD10 SDD11 SDD12 SDD13 SDD14 SDD15 SDDREQ SDIOR GND SDDACK N C N C SDA2 SDCS3 5V 5V 5V GND GND GND N C Pin Assignment C 24 CN24 Modem Board connector 10 PIN Table C 24 Modem Board connector 10 PIN PWRCLKN1 PWRCLKP1 N C DIB_DATAP DIB DATAN C 18 Satellite LIO Maintenance Manual Pin Assignment C 25 CN25 MINI PCI connector 124 PIN Table C 25 MINI PCI connector 124 PIN 1 2 N C N C N C N C N C RF EN N C INTC 3V N C GND PCLK_MINI GND REQ1 3V AD31 AD29 GND AD27 AD25 N C CBE3 AD23 GND AD21 AD19 GND AD17 CBE2 IRDY
67. On Off test program available as part of the maintenance test program This test program checks the cooling module Insert the diagnostics bootable CD in the computer s CD turn on the computer and run the test See Chapter 3 for information on how to perform the test If any error is detected by the test go to Procedure 2 Procedure 2 Connector Check and Replacement Check The cooling module is connected to the system board If the cooling module malfunctions there may be a bad connection between the cooling module and the system board or either might be faulty Disassemble the computer following the steps described in Chapter 4 and perform the following checks Check 1 Make sure the cooling module has been firmly connected to the connector on the system board Also make sure that the tape is not stuck to any part of the fan and that the fan is free of foreign matter Cooling module System board CPU If the connector is disconnected connect it firmly to the system board and return to Procedure 1 If the tape is stuck to any part of the fan stick it back to the specified point If a foreign matter is found in the fan remove it and then return to Procedure 1 If there is still an error perform Check 2 Check 2 The cooling module may be faulty Replace it with a new one following the steps in Chapter 4 If the cooling module is still not functioning properly perform Check 3 Check 3 The memory may be defective Replace the memory mo
68. RAM mapping test using the all dots Mode Satellite L20 Maintenance Manual 960 Q01 Test Program for Field To exit this subtest and return to the Display Test menu Press Enter if NO was selected for Test Loop on the Test Parameter Menu Press Ctrl break if YES was selected for Test Loop on the Test Parameter Menu Satellite L20 Maintenance Manual 960 Q01 111 Test Program for Field Subtest 12 Color Tiling This subtest displays black gray white and 3 gradations of red green and blue as shown in the following display Red Green Blue Gradation Gradation Gradation Red Green Blue Gradation Gradation Gradation To exit this subtest and return to the Display Test menu Press Enter if NO was selected for Test Loop on the Test Parameter Menu Press Ctrl break if YES was selected for Test Loop on the Test Parameter Menu 112 Satellite L20 Maintenance Manual 960 Q01 Test Program for Field 3 8 Floppy Disk Test CAUTION Before running the floppy disk test prepare a formatted work disk Remove the diagnostics disk and insert the work disk into the FDD The contents of the floppy disk will be erased To execute the Floppy Disk Test select 05 from the Diagnostic Test Menu press Enter and follow the directions on the screen The Floppy Disk Test contains five subtests that test the FDD Move the highlight bar to the subtest you want to execute and press Enter Subtest 01 Sequential Read This sub
69. TC battery Check system Then press FI key Check 2 If the following error message is displayed on the screen press any key as prompted by the message The error message appears when either data stored in RAM to be resumed is lost because the battery has been exhausted or the system board is faulty Resume failure and press any key to continue EQUIUM M40 M45 Satellite M40 M45 Maintenance Manual 2 9 2 Troubleshooting 2 4 System Board Procedure 2 Test Program Check The maintenance test program contains several programs for diagnosing the system board and CPU Execute the following test programs using the procedures described in Chapter 3 System test Memory test Keyboard test Display test Hard Disk test Mouse test ODD test Sound test LAN test OSDAL oe If an error is detected during these tests go to Procedure 3 Procedure 3 Replacement Check The system board memory or CPU may be defective Disassemble the computer following the steps described in Chapter 4 and replace the system board memory module or CPU with new 2 10 EQUIUM M40 M45 Satellite M40 M45 Maintenance Manual 2 5 2 5 inch HDD 2 Troubleshooting 2 5 2 5 inch HDD To check if the 2 5 inch HDD is defective or malfunctioning follow the troubleshooting procedures below as instructed Procedure 1 Message Check Procedure 2 Partition Check Procedure 3 Format Check Procedure 4 Test Program Check Procedure 5 Connector Chec
70. The following describes the procedure for installing the battery pack See Figure 4 1 CAUTION There is a danger that the lithium ion battery pack may explode if not fitted operated handled or disposed correctly Dispose always the used battery pack in accordance with the laws and ordinances of your local authority Use only the batteries approved by Toshiba NOTE Check visually the battery terminals and clean off any dirt with a dry cloth 1 Turn off the power of the computer 152 Satellite L20 Maintenance Manual 960 Q01 Replacement Procedures 2 Disconnect the AC adapter and all external devices from the computer 3 Attach the battery cover to the battery pack 4 Insert the battery pack 5 Ensure the battery release lock 1 is moved into its locked position Battery pack Battery Release Lock 1 LUE Securing the battery pack Satellite 120 Maintenance Manual 960 Q01 153 Replacement Procedures 4 3 PC card Removing a PC card The following describes the procedure for removing a PC card See Figure 4 2 CAUTION Insert or remove a PC card in accordance with any instructions in a PC card manual or the manuals of the computer system you are using 1 Push the eject button It will pop out when you release it Then press the eject button once more to eject a PC card 2 Grasp a PC card and remove it NOTE If a PC card is not inserted all the way the eject button may not pop out B
71. Toshiba Personal Computer Satellite L20 Series Maintenance Manual TOSHIBA CORPORATION File Number 960 Q01 0 Copyright 2003 by Toshiba Corporation All rights reserved Under the copyright laws this manual cannot be reproduced in any form without the prior written permission of Toshiba No patent liability is assumed with respect to the use of the information contained herein Toshiba Personal Computer Satellite L20 Series Maintenance Manual First edition October 2005 Disclaimer The information presented in this manual has been reviewed and validated for accuracy The included set of instructions and descriptions are accurate for the Satellite L20 Series at the time of this manual s production However succeeding computers and manuals are subject to change without notice Therefore Toshiba assumes no liability for damages incurred directly or indirectly from errors omissions or discrepancies between any succeeding product and this manual Trademarks Intel Intel SpeedStep Pentium and Celeron are trademarks or registered trademarks of Intel Corporation or its subsidiaries in the United States and other countries regions Windows and Microsoft are registered trademarks of Microsoft Corporation Photo CD is a trademark of Eastman Kodak i Link is a trademark of Sony Corporation TruSurround XT Trubass Dialog Clarity SRS and e symbol are trademarks of SRS Labs Inc TruSurround XT technology is in corp
72. Turn off the power to the computer Remove the external cables and cards Connect an external FDD and insert the BIOS rewriting disk into the external FDD Connect the USB doggle special for BIOS rewrite Turn on the power The BIOS rewriting starts OO ES ON When the process is completed it beeps and the system automatically reboots NOTE 1 Connect the AC adaptor to the computer when you rewrite the BIOS 2 Do not turn off the power while you are rewriting the BIOS If the rewrite fails it might be impossible to start up the computer If you fail to rewrite BIOS then when you next turn on the power a message may be displayed that the contents of the BIOS have been erased or system can not boot In this case insert the BIOS rewriting disk and the BIOS will be rewritten Satellite L20 Maintenance Manual 960 Q01 G 1 Appendix H EC KBC Rewrite Procedures Same as BIOS rewrite Procedures please refer appendix G Satellite L20 Maintenance Manual 960 Q01
73. VD before starting a test System information Type 1 1 Manufacture TOSHIBA Product Name Satellite XXXXXX Version TOSHIBA Part Number Serial Number Serial Number UUID Number XXXXXXXXXXXXXXXXXXXXXXXXXXXXXX dr st OEM Strings Type 11 1 OEM String XXXXXXXXXXXXXXXXXXXXXXXXXXX On Board LAN MAC 1 MAC ADR XXXXXXXXXXXX DVD Region Code 1 User Change Time X 2 Region Code X 3 17 2 Write DMI Information The Write DMI Information program contains the following information for the computer Manufacture Name TOSHIBA Product Name Satellite XXXXXX Part Number PSL20X XXXXXX Serial Number 12345678W 5 OEM String PSL20X XXXXX SXXXXXXXXXX Select 1 5 to keyin new data select 6 to exit program program will compare input data length with the max length if over will retry keyin BDS 134 Satellite L20 Maintenance Manual 960 Q01 Test Program for Field Note Please Check New DMI Information After System Restart Manufacture Name TOSHIBA 15 Product Name Satellite XXXXXX 31 Part Number PSL20X XXXXXX 15 Serial Number 12345678W 9 String PSL20X XXXXX SXXXXXXXXXX 31 RE Please Select 1 5 To Modify DMI String Current Data of EEPROM Toshiba 1 Enter the Manufacture Name TOSHIBA Your 15 TOSHIBA _ This is your keyin data EEPROM return TOSHIBA _
74. ack is still not working properly perform Check 2 Replace the system board with a new one If the battery pack is still not working properly perform Check 3 Replace the CPU with a new one EQUIUM M40 M45 Satellite M40 M45 Maintenance Manual 2 4 System Board 2 Troubleshooting 2 4 System Board To check if the system board is defective or malfunctioning follow the troubleshooting procedures below as instructed Procedure 1 Message Check Procedure 2 Test Program Check Procedure 3 Replacement Check Procedure 1 Message Check When the power is turned on the system performs the self diagnostic Power On Self Test POST embedded in the BIOS ROM The POST tests and initializes each IC on the system board If an error message appears on the display perform Check 1 If there is no error message go to Procedure 2 If MS DOS or Windows XP Home Edition is loaded normally go to Procedure 3 Check 1 If the following error message is displayed on the screen press the F1 key as prompted These errors occur when the system configuration preserved in the RTC memory generally called CMOS memory does not match the actual configuration or when the data is lost If you press the F1 key as prompted by the message the SETUP screen appears to set the system configuration If the error message appears frequently when the power is turned on replace the RTC battery If any other error message is displayed perform Check 2 Bad R
75. afety Precautions paste ee 145 Before You Begin 146 Disassembly Procedure dc etete 147 Assembly Procedure sies to REI 148 Tools and Equipment onore ot anal eee ee 148 Screw Tightening Torque o cee ete ies eG Cade as ANG 149 M 149 Screw Ne 150 Battery pack NE 151 PG ER 154 156 HP Eco 160 Sce 162 Keyboard E ren ae 165 fo a 169 Optical dis ke Gir ye 171 Display assembly 175 Cover assembly 181 Tone MM MR 186 System DOA M HH 188 CPU d nut ee 190 Satellite L20 Maintenance 960 001 4 iii Replacement Procedures Figures Figure 4 1 Removing the battery pack 152 Figure 4 2 Removing a PC Card 154 Figure 4 3 Removing the HDD assembly ier fa e eed pitted diee 157 4 4 Removing HDD GAR 158 Figure 4 5 Removing a wireless LAN 160 Figure 4 6 Removing a memory 0000000001 enne 163 Figure 4 7 Removing screws fo
76. ata patterns 3 Bit shift data test Writes O1h data into addresses A000 0000h through A000 FFFFh for each bank reads the new data and then compares the results with the original data Data is then shifted 1 bit to the left and all bits 01h 02h 04h 08h through 80h are tested again 4 Fixed data test Writes test data in order FFh AAh 55h 00h into addresses A000 0000h through A000 FFFFh for each bank by reads the new data and then compares the results with the original data Data is then shifted 1 bit to the left and all bits are tested again NOTE If NO is selected for Test Loop on the Test Parameter menu the screen displays the colors listed above and then the High Resolution Display Test menu displays If YES is selected for Test Loop on the Test Parameter menu the screen displays the colors listed above Press Ctrl break to return to the High Resolution Display Test menu 122 Satellite 120 Maintenance Manual 960 Q01 Test Program for Field Subtest 02 640 480 Mode Display This subtest uses 640 480 video resolution to display a high resolution white frame 256 letter types 8 16 pixels and 64 gradations of white red green and blue as shown below GOP eae Gor eh ae eat 5 4 emen cl 0123456789 45 77 BCDEFGHIJEKLHMHNO P RSTUVWEYZL X l 640 480 256 ero vog or d lmn o Press Enter
77. atellite Pro L20 L25 Diagnostics gt 5 1 item E Version V1 00 C Copyright QUANTA Corp 2005 DIAGNOSTICS MENU 01 DIAGNOSTIC TEST DIAGNOS SYSTEM TEST MEMORY TEST 08 KEYBOARD TEST 09 DISPLAY TEST 10 FLOPPY DISK TEST dus HARD DISK TEST 88 REAL TIME CLOCK TEST 99 SC Escape SYSTEM TEST FAN ON OFF Battery Test CPU Temperature Exit to DIAGNOSTIC TEST MENU HIGH RESOLUTION DISPLAY TEST MULTIMEDIA TEST MEMRY2 TEST FDD amp HDD ERROR RETRY COUNT SET EXIT TO DIAGNOSTICS MENU 5 Select the desired test from the subtest menu and press Enter The following Test Parameter menu displays Satellite L20 Maintenance Manual 960 Q01 65 Test Program for Field TOSHIBA Satellite Pro L20 L25 Diagnostics gt Select item Version 1 00 Copyright QUANTA Corp 2005 ESC Escape DIAGI TEST PARAMETER STEM TEST FF rest erature DIAGNOSTIC TEST MENU 2 10 TESE Test Loop Error Stop SYS MEMOni not KEYBOARD TEST HIGH RESOLUTION DISPLAY TEST DISPLAY TEST MULTIMEDIA TEST FLOPPY DISK TEST USB TEST HARD DISK TEST MEMORY2 TEST REAL TIME CLOCK TEST FDD amp HDD ERROR RETRY COUNT SET EXIT TO DIAGNOSTICS MENU Use the arrow keys to highlight the desired option and press Enter Go To Test Move the highlight bar to Go To Test and press Enter to start executing the test Test Loop Se
78. ce 960 001 185 Replacement Procedures 4 12 Touch pad Removing the touch pad The following describes the procedure for removing the touch pad See Figure 4 31 1 Peel off the glass tape and disconnect the touch pad flat cable from the connector on the touch pad and peel the al foil 2 Remove the following screws securing the touch pad plate e M2 5x3 0B SUPER THIN HEAD screw x5 3 Turning up the insulator remove the touch pad plate 4 Peeloff and remove the touch pad from the cover assembly M2 5x3 0B SUPER THIN HEAD gt M2 5x3 0B SUPER THIN HEA Al foil Touch pad GR o ear Al foil Touch pad flat cable Figure 4 20 Removing the touch pad 186 Satellite 120 Maintenance Manual 960 Q01 Replacement Procedures Installing the touch pad The following describes the procedure for installing the touch pad See Figure 4 31 1 Peel off the separator covering on the sensor portion of a new touch pad NOTE Do not reuse the touch pad so that it can not be used after peeling off from the computer Be sure to stick a new touch pad When stickimg the touch pad be careful not to get the bubbles under the touch pad 2 Stick and install the touch pad on the cover assembly 3 Install the touch pad plate and secure it with the following screws M2 5x3 0B SUPER THIN HEAD screw x5 4 Stick the insulator on the touch pad plate 5 Connect the touch pad flat cable to the connector on
79. cluding the power supply and FL inverter generate high voltages If you need to turn on the power while disassembling the computer do not touch any connectors or other components due to the risk of electric shock Also do not disassemble individual parts when performing routine maintenance WARNING I To prevent electric shock turn off the power unplug the AC adapter from the power source 2 As the battery installed to the computer is typically already charged the risk of electric shock remains even when the AC adapter is unplugged from the socket To prevent electric shock always take off any metal Jewelry or accessories such as necklaces bracelets or rings before working on the computer Never work with wet or moist hands Take care not to injury yourself on any edges or corners CAUTION I Confirm that replacement parts have compatible specifications before replacing on the computer Never use incorrect parts as these may cause faults on the computer To prevent internal damage such as short circuits or burning do not allow any screws paper clips or other metal objects to fall into the computer When removing screws always replace with the same size screw Ensure that all screws are fully tightened Loose screws may result in short circuits leading to overheating smoke or flame To prevent electric shock check that you have disconnected all cables from a part before removing the part When connecting to the AC power
80. correct time using a 24 hour format and press Enter NOTE If NO is selected for Test Loop on the Test Parameter menu the Real Time Clock Test menu displays If YES is selected for Test Loop on the Test Parameter menu the screen above displays and the test is executed again Press Ctrl break to return to the Real Time Clock Test menu 118 Satellite 120 Maintenance Manual 960 Q01 Test Program for Field Subtest 02 Backup Memory This subtest writes 50 bytes of test data FFH AAH 55H and 00H to the CMOS 14 address then reads the new data and compares it to the original data Subtest 03 Real Time Carry CAUTION When this subtest is executed the current date and time are reset This subtest checks the clock s carry function REAL TIME CARRY TEST Current date 12 31 1999 Current time 23 59 55 Press Enter key to exit test The following is the display after the date carry function is executed REAL TIME CARRY TEST Current date 01 01 2000 Current time 00 00 01 Press Enter key to exit test To exit this subtest and return to the Real Time Clock menu Press Enter if NO was selected for Test Loop on the Test Parameter Menu Press Ctrl break if YES was selected for Test Loop on the Test Parameter Menu Satellite L20 Maintenance Manual 960 Q01 119 Test Program for Field 3 11 Cache Memory Test To execute the Cache Memory Test select 08 from the Diagnostic Test Menu press
81. ct position Screw sizes are noted in the text and figures As all parts have sharp edges and corners take care not to cut yourself 10 After replacing an FRU check that the computer and replaced part operate correctly 146 Satellite 120 Maintenance Manual 960 Q01 Replacement Procedures Disassembly Procedure Three main types of cable connector are used e Pressure plate connector e Spring connector e Normal pin connector When disconnecting a pressure plate connector lift up the tag on one side of the plastic pressure plate on the connector and pull the cable out from the connector When reconnecting a cable to a pressure plate connector lift up the pressure plate to a suitable height and insert the cable into the connector Press down on both sides of the pressure plate such that both sides of the plate and connector are at the same height and that the cable is fixed in the correct position Pull the cable to ensure that it is securely connected If the cable is disconnected from the connector reconnect it making sure that you lift the pressure plate high enough to insert fully the cable For spring connectors lifting up the stopper frees the cable and allows it to be pulled out To reconnect hold the stopper in the up position and insert the cable then lower the stopper to secure the cable Normal pin connectors are used for all other cables Simply pull out or push in these connectors to disconnect or reconnect
82. cuting Press Ctrl break to return to the Display Test menu Satellite L20 Maintenance Manual 960 Q01 107 Test Program for Field Subtest 10 Color Graphics Display This subtest displays three colors cyan white and yellow on the screen as shown below 640 480 GRAPHICS DISPLAY CYAN WHITE YELLOW To exit this subtest and return to the Display Test menu Press Enter if NO was selected for Test Loop on the Test Parameter Menu Press Ctrl break if YES was selected for Test Loop on the Test Parameter Menu 108 Satellite L20 Maintenance Manual 960 Q01 Test Program for Field Subtest 11 Color Attributes Display This subtest displays 16 colors black blue green cyan red magenta brown white dark gray light blue light green light cyan light red light magenta yellow and intensified white The screen below displays when this subtest is executed 640 480 COLOR ATTRIBUTE DISPLAY Press Enter Key Pressing Enter executes VRAM mapping test which indicates vertical lines Press Enter to execute the VRAM mapping test which displays a horizontal line at one dot intervals using Mode 12 Satellite L20 Maintenance Manual 960 Q01 109 110 Test Program for Field NOTE The following screen does not display correctly It will be amended in the next version Press Enter to execute the VRAM mapping test which displays a vertical line at four dot intervals using Mode 12 Press Enter to display V
83. d remove display assembly Satellite L20 Maintenance 960 001 179 Replacement Procedures Installing the display assembly The following describes the procedure for installing the display assembly See Figure 4 15 to 4 20 1 Inserting the pole of hinge to the hole of hinge assembly set the display assembly on the base assembly 2 Secure the hinges with the following screws Secure the display mask with the following screws and stick the mask seal on them e M2 5x60B FLAT BIND screw x4 Locktight NOTE Be sure to apply the locktight to the screws instructed in the figure above 3 Connect the LCD harness to the connector on the system board 4 Arrange the wireless antenna cables along the guide front and secure them with guide 5 Pass the cables to the back of computer through the slot 6 Install the keyboard and k b cover of the system 7 Arrange the wireless LAN antenna cables along the guide and contact with the connector 8 Secure the display assembly from the back of computer with the following screws e M2 5x60B FLAT BIND screw x4 Locktight 180 Satellite L20 Maintenance Manual 960 Q01 Replacement Procedures 4 11 Cover assembly Removing the cover assembly The following describes the procedure for removing the cover assembly See Figure 4 21 to 4 24 1 Turn over the computer 2 Remove the following screws securing the cover assembly from the back and bottom of computer
84. displays video pages zero through seven DISPLAY PAGE 0 000000000000000000000000000000000000000000000000000000000000000 aom aae usto C d Ds a units tud 0 UR EEUU CE 0 0 5 ues anteget nt e E 0 sete Sets PAUL EN LAU epu DEN S LAS Bero E s DO RS 0 Uu Sete D Eccl Ce a eM REI 0 Ord eh aca due d 0 Qus s usc ur NE I ALT o ec gS Res i lei e Mea e hos Une 0 Opus see RET ated dn RUN y Ba Se Vorst Won arc eile 0 ale eso NSW BP HUC baute ee a sterio aub uy mita 0 wn Who c cmi URS D ILU M ICM EU Der LK D LAO Bako TART RS el a 0 EA Ue Pi REL ULIS EE ED De 0 UN NM D MEER Re 0 Ve Ux eo a ae NN UN P EN GLE 0 ee e eio Rer eC Ea en ka arent be aa 0 OL ele E dos resto paio uto ined essa cito oh 0 sss me ae ur ym Ars I AR ups esos el 0 SER ot et E LRL SE 0 Qi ar etas we e qe RIRs ade ede RR TED HD Se a eae RAGE 0 ce DRIN LA ELI qe pL AT 0 000000000000000000000000000000000000000000000000000000000000000 To exit this subtest and return to the Display Test menu Press Enter if NO was selected for Test Loop
85. dule with a new one following the steps described in Chapter 4 If the problem persist perform Check 4 Check 4 The CPU may be faulty Disassemble the computer following the steps described in Chapter 4 and replace the CPU with a new one EQUIUM M40 M45 Satellite M40 M45 Maintenance Manual 2 23 2 Troubleshooting 2 14 Cooling Module 2 24 EQUIUM M40 M45 Satellite M40 M45 Maintenance Manual Chapter 3 Diagnostic Programs 80 Test Program for Field Satellite L20 Maintenance Manual 960 Q01 Test Program for Field Chapter 3 Contents 3 1 Tests and Diagnostics Software Overview 82 3 2 Executing the Diagnostic Test 83 3 3 Subtest NAMES Lune deep 87 34 System RU d ERR aai endt 90 3 9 Memory Test sad ase esee ertet e Pu age oe 92 3 6 Kobe Ue m Rm UE 95 Suo Display OSU E dedi at Gub CN Ue tura 98 23 0 Popp Disk 113 292 Hard Disk Test iae etit dt eet et rai e randi 115 Real Time Clock putei 118 3 11 Cache Memory Testis tete Dedit n n ed sv Resin caprae es da 120 3 12 High Resolution Display 122 15 128 MENOR TERESE 129 3 15 Error Codes and Error Status Names 131 Slo Running Testien em i etus 133 SIT DMLINFOEMATION citet od
86. dures Follow the ODD diagnostic procedure in Section 2 8 Identify the test resulting in the error and perform the appropriate dia ic procedures No The system is normal Figure 2 1 Basic flowchart 2 2 2 4 EQUIUM M40 M45 Satellite M40 M45 Maintenance Manual 2 2 Basic Flowchart 2 Troubleshooting If the diagnostic program cannot detect an error the error may be intermittent Run the continuous test program repeatedly to isolate the problem Check the log utilities function to confirm which diagnostic test detected the error then perform the appropriate troubleshooting procedures as follows 1 If an error is detected by the System test Memory test Async test Printer test Sound test or Real Timer test follow the system board troubleshooting procedures in Section 2 4 If an error is detected by the Hard Disk test follow the HDD troubleshooting procedures in Section 2 5 If an error is detected by the Keyboard test follow the keyboard troubleshooting procedures in Section 2 6 If an error is detected by the Display test follow the display troubleshooting procedures in Section 2 7 If an error is detected by the ODD test follow the ODD troubleshooting procedures in Section 2 8 If an error is detected by the LAN test follow the LAN troubleshooting procedures in section 2 9 If an error is detected by the Speaker test follow the Speaker troubleshooting procedures in section 2 10 If an er
87. e sure to push a PC card firmly and press the eject button again Eject button Eject button PC Card Removing the PC Card Figure 4 2 Removing a PC card Installing a PC card The following describes the procedure for inserting a PC card See Figure 4 2 1 Make sure the eject button does not stick out 154 Satellite L20 Maintenance Manual 960 Q01 Replacement Procedures 2 Insert a PC card and press it until it is securely connected Inserting the PC Card Satellite 120 Maintenance Manual 960 Q01 155 Replacement Procedures 4 4 HDD Removing a HDD The following describes the procedure for removing a HDD See Figure 4 4 to 4 5 CAUTION Take care not to press on the top or bottom of a HDD Pressure may cause data loss or damage to the device 1 Turn the computer upside down 2 Remove the following screws securing a HDD slot cover and remove a HDD slot cover M2 5x4 0B FLAT BIND screw x2 3 Remove the following screws securing the HDD assembly M2 5x4 0B FLAT BIND screw x1 4 Disconnect the HDD assembly from the connector on the system board CN18 156 Satellite 120 Maintenance Manual 960 Q01 Replacement Procedures CAUTION When a HDD is installed they are installed in the position as the following figure M2 5x4 0B FLAT BIND Tow screw insert HDD HDD slot cove HDD module Figure 4 3 Removing the HDD assembly Satellite L20 Maintenance 960 001 157
88. e computer If the problem persists go to Procedure 3 Check 3 If drive C is listed as active in the FDISK menu perform Check 4 If drive C is not listed as active return to the FDISK menu and choose the option to set the active partition for drive C Then restart the computer If the problem persists perform Check 4 Check 4 Enter DIR C and press the Enter key If the following message is displayed go to Procedure 3 If contents of drive C are listed on the display perform Check 5 Invalid media type reading drive C Abort Retry Fail Check 5 Use the SYS command in the MS DOS system to install system files If the following message appears on the display the system files have been transferred to the HDD Restart the computer If the problem persists go to Procedure 3 System transferred NOTE If the computer is running Windows XP Home edition and the hard disk capacity is more than 512 MB the FDISK program will ask if you need support for a partition larger than 2 GB Select Y for large partition support however be sure to read the precaution regarding access by other operating systems Procedure 3 Format Check The 2 5 inch HDD is formatted using the low level format program and the MS DOS FORMAT program Using these programs follow the steps below to format the HDD Check 1 Enter FORMAT C S U to format the HDD and transfer system files If the following message appears on the display the HDD has been formatted
89. ed 2 The main battery is removed 3 Main battery or AC adapter voltage is abnormal 4 Charging current is abnormal 0 Data preservation time When turning off the power in being charged fully the preservation time is as following Table 1 12 Table 1 12 Data preservation time Standby About 3 days Hibernation About 1 month Satellite L20 Maintenance Manual 960 Q01 33 Chatper 1 Hardware Overview 1 8 3 RTC Battery The RTC battery provides the power supply to maintain the date time and other system information in memory Table 1 13 lists the Time required for charges of RTC battery and data preservation time Table 1 13 Time required for charges of RTC battery Power ON Lights Power LED About 24 hours Data preservation tome Full charged About a month 34 Satellite L20 Maintenance Manual 960 Q01 Chapter 1 Hardware Overview 1 9 AC Adapter The AC adapter is used to charge the battery Table 1 14 lists the AC adapter specifications Table 1 14 AC adapter specifications Parameter Specification DELTA LITE ON SADP 65KB BFG PA 1650 02QT Input voltage AC 100V 240V Input frequency 50Hz 60Hz Output voltage DC 19V Output current 3 42A Satellite L20 Maintenance Manual 960 Q01 35 Chapter 2 Troubleshooting 2 i 2 Troubleshooting EQUIUM M40 M45 Satellite M40 M45 Maintenance Manual 2 Troubleshooting Chapter 2 Contents 2 1 22 2 3 2 4 2 5 2 6 2 7 2 8 29
90. eed RPM Speed RPM 4 200 Data transfer speed 170 373 175 342 202 308 175 342 Mbits s Interface transfer rate MB s 100 Ultra DMA Mode Average random seek time read ms Average random seek time write ms Power on to ready sec 4 typical 10 sec Max Specification P ramatar Toshiba Toshiba Toshiba Toshiba MK1032GAX MK8026GAX MK6026GAX MK4026GAX size formatted 100GB 80GB 60GB 40GB Speed RPM si RPM 5 400 Data transfer speed 235 445 233 446 258 394 233 446 Mbits s Interface transfer rate MB s 100 Ultra DMA Mode Average random seek time read ms Average random seek time write ms Power on to ready sec 4 typical 10 sec Max 14 Satellite L20 Maintenance Manual 960 Q01 Chapter 1 Hardware Overview 1 4 Optical Drive 1 4 1 DVD ROM amp CD R RW Drive The DVD ROM amp CD R RW drive accommodates either 12 cm 4 72 inch or 8 cm 3 15 inch CD DVD ROM and CD R RW It is a high performance drive that reads DVD at maximum 8 speed and CD at maximum 24 speed The DVD ROM amp CD R RW drive is shown in Figure 1 4 The dimensions and specifications of the DVD ROM amp CD R RW drive are described in Table 1 3 Table 1 4 Figure 1 4 DVD ROM amp CD R RW drive Table 1 3 DVD ROM amp CD R RW drive outline dimensions Parameter Standard value MATSUSHITA HLDS TSST Maker UJDA770TT A GCC TS L462C TOHJ I
91. ely with the right screwdriver If a screw is not fully fastened it could come loose creating a danger of a short circuit which could cause overheating smoke or fire If you replace the battery pack or RTC battery be sure to use only the same model battery or an equivalent battery recommended by Toshiba Installation of the wrong battery can cause the battery to explode Satellite L20 Maintenance Manual 960 001 3 0 The manual is divided into the following parts Chapter 1 Hardware Overview describes the Satellite L20 system unit and each FRU Chapter 2 Troubleshooting Procedures explains how to diagnose and resolve FRU problems Chapter 3 Test and Diagnostics describes how to perform test and diagnostic operations for maintenance service Chapter 4 Replacement Procedures describes the removal and replacement of the FRUs Appendices appendices describe the following Handling the LCD Module Board layout Pin assignments Keyboard scan character codes Key layout Wiring diagrams BIOS Rewrite Procedures EC KBC Rewrite Procedures Reliability 006000000 4 Satellite L20 Maintenance Manual 960 Q01 0 Conventions This manual uses the following formats to describe identify and highlight terms and operating procedures Acronyms On the first appearance and whenever necessary for clarification acronyms are enclosed in parentheses following their definition For example
92. enough to cover the chip surface using the special applicator Figure 4 24 Applying silicon grease 5 Install the CPU amp VGA heat sink and heat sink holder and secure them with the following screws along to 7 M2 5x4 0BIND screw x7 6 Connect the Heat sink cable to the connector CN 15on the system board NOTE When securing the heat sink holder be sure to secure the screws in the order of the number marked on the holder and first secure the screws of I to 3 192 Satellite L20 Maintenance 960 001 Replacement Procedures LCD unit FL inverter CAUTION When replacing a LCD it is required that SVP parameter is set Update with the latest EC KBC as described in Appendix H EC KBC Rewrite Procedures Removing the LCD unit FL inverter The following describes the procedure for removing the LCD unit and FL inverter See Figure 4 52 to 4 55 1 Remove Screw rubber cover X4 2 Remove the following screws securing the display mask M2 5x6 0 BIND screw X4 3 Insert your finger between the edge of the display mask and the LCD and remove the display mask while releasing the latches of display mask rubber cover M 2 5X6 0 BIND screw Figure 4 25 Removing the display mask Satellite L20 Maintenance 960 001 193 Replacement Procedures 4 Pull out one insulator and peel off the other one adhered to the FL inverter 5 Disconnect the LCD harnesse
93. er Display 320 200 Graphics Display 640 200 Graphics Display 640 480 Graphics Display Display Page H Pattern Display Video DAC Register W R C Color Graphics Display Color Attributes Display Color Tiling Satellite L20 Maintenance Manual 960 Q01 67 Test Program for Field Table 3 1 Subtest Names 2 3 FLOPPY DISK TEST REAL TIME CLOCK TEST CACHE MEMORY TEST HIGH RESOLUTION DISPLAY TEST 88 Sequential Read Sequential W R C Random Address Data Write Specified Address Read Specified Address Sequential Read Address Uniqueness Random Address Data Cross Talk and Peek Shift Write Specified Address Read Specified Address Sequential Write W R C Specified Address Real Time Backup Memory Real Time Carry Constant Data Test Address Pattern Test Increment Decrement Test Bit Shift Pattern Test Write Disturb Test Checker Board Test Marching Test Working Data Test VRAM W R C Test 640 480 Mode Display 800 600 Mode Display 1024 768 Mode Display H Pattern Display Focus Test E Pattern Satellite L20 Maintenance Manual 960 Q01 Test Program for Field Table 3 1 Subtest Names 3 3 MULTIMEDIA TEST Sequential Read Test Random Read Test Read Specified Address Test 1 point W R C Test 11 MEMORY2 All one zero Walking 1 Walking O Left Walking 1 Walking O Right Walking 1 Walking O Left Right This test cannot support Satellite L20 Maintenance Manual 960 Q01 69 Test Program
94. er Error Protect Mode Error Caching Error Other Error Write Error Invalid Drive Drive Not Ready Other Error NOTE If error status name is Other Error please reference the Error Code for error information 132 Satellite 120 Maintenance Manual 960 Q01 Test Program for Field 3 16 Running Test NOTES You may add or delete subtests using the Running Test Edit Item function see Section 3 20 Do not forget to insert a work disk in the FDD If a work disk is not inserted an error will be generated during the Floppy Disk Test If the test completes successfully an PASS sign with blue letters displays on the screen If the test fails or is interrupted before completion an FAIL sign with red letters displays on the screen If running item not select an NOITEM sign with green letters display on the screen All errors which occur during execution of the Running Test are logged in the Log File This program is executed according to the Count Loop number selected in the Running Test Edit Item see Section 3 20 To terminate the program press Ctrl Break Satellite L20 Maintenance Manual 960 Q01 133 Test Program for Field 3 17 DMI INFOEMATION Select 03 from the Diagnostics Menu and press Enter to Check or Write DMI Information Data 3 17 1 Check DMI Information The Check DMI Configuration program contains the following configuration information for the computer NOTE Please set the media of D
95. ere voie Possono ters resi ed aA Ve eger RE 134 3 17 1 Check DMI Information ite erect attic tecto cnn dot da caes 134 3 17 2 Wie DMI het ets act er 134 318 Log Utilities n Ea R T 136 JJEL Operas CPP EET 136 3419 Sem UratloTE a a itae obses 138 3 20 Rumming Test Edit Hem seo beca ode qur etd tai eq enerne 139 3 20 L DescrIploD oer eee ius 139 3 20 2 Operation Description oce 139 3 21 Common Tests and Operation esce stesse 141 3217 How to operate window te tasa eh 141 3 21 2 How to Stop the Test Program au epe erp seo epi td euet 141 3 21 3 Test Status Screen iu ee ee n meee a bet don deeds quad 141 Fest Stop Display cates iade me 143 be AR 143 Satellite L20 Maintenance Manual 960 Q01 61 Test Program for Field 3 1 Tests and Diagnostics Software Overview This chapter explains how to use the Tests and Diagnostics Software for the Satellite L20 L25 and Satellite Pro L20 L25 computer systems NOTES Before starting the Tests and Diagnostics software 1 Check all cables for loose connections 2 Exit any application and close Windows
96. erview Table 1 9 DVD Parameter Data transfer speed Access time ms Read KB s ATAPI interface MB s CD ROM DVD ROM Super Multi drive specifications 4 4 Drive Specification TEAC DV W28EA 8X CAV at DVD ROM Single Layer DVD R R 4X CAV at DVD RW RW 4X CAV at DVD R Dual Layer DVD R DL and R DL 3X 5X Zone CLV at DVD RAM 24XCAV at CD ROM 20XCAV at CD R RW CD R 10 24X ZCLV 10X CLV 4X CLV CD RW 10X CLV DVD R 2 8X ZCLV 2X CLV 1X CLV DVD RW 2 4X ZCLV 2X CLV 1X CLV DVD RAM 35X ZCLV 2 4X CLV DVD R 2 4 8X ZCLV 2 4X CLV DVD R Double layer 2 4 CLV DVD RW 2 4 4X ZCLV 2 4X CLV SFF 8020 SFF 8090 Ver 5 IDE Data Transfer Mode PIO Mode 4 Multi Word DMA Mode 2 UltraDMA Mode2 130 Random 130 Random Supported disk format CD DA CD ROM Mode 1 Mode 2 CD ROM XA Mode Form 1 Form 2 Photo CD signal multi session Enhanced CD CD tEXT DVD ROM DVD R General Authoring DVD RW DVD Video DVD RAM 4 7G 2 6GB DVD R DVD R Double layer DVD RW 24 Satellite L20 Maintenance Manual 960 001 Chapter 1 Hardware Overview Satellite L20 Maintenance Manual 960 Q01 25 Chatper 1 Hardware Overview 1 5 Keyboard A keyboard which consists of 84 US 85 Euro keys is mounted on the system unit The keyboard is connected to membrane connector on the system board and controlled by the keyboard controller Figure 1 6 is a view
97. ess LAN Mini PCI slot The wireless LAN is equipped on the mini PCI slot 0 LAN MODEM Connectors for LAN and Modem are separately mounted 4 Satellite L20 Maintenance Manual 960 Q01 Chapter I Hardware Overview Display Screen System Keyboard ae ride MEET Display Hinge Power Button TouchPad Control Audio Video Buttons Control Buttons System Indicators Figure 1 1 ATI Platform Front of the computer and the system units configuration Satellite L20 Maintenance Manual 960 Q01 Chatper 1 Hardware Overview 1 2 System Block Diagram Figure 1 2 a b shows the system block diagram VCC CORE 3VPCU 3V S5 3VSUS 3V 5VSUS 5V BVSLIS 1 8VSUS 1 8V 1 2V SMDDR VTERM SMDDR VTERM Manufacturing Option SATAHDD Page 16 20493 21 CELERON M PENTIUM M INTEL Mobile 479 CPU page 2 3 HOST BUS 400MHZ RGB NB DDBJ ATi D RC410MB RC410MD VIDEO ae TIPCMCIA 510 SATA 66 100 SB PCI BUS 33MHZ ATA 66 100 ATi SB400 97 USB 2 0 LPC 33 2 NS PC97551 3 Page 2 08527275 PROJECT EW6 Quanta Computer Inc 8 Eur gm Figure 1 2 System block diagram for ATI 410MB Platform Satellite L20 Maintenance Manual 960 001 Chapter 1 Hardware Overview The PC contains the following
98. est To execute the Hard Disk Test select 06 from the Diagnostic Test Menu press Enter and follow the directions on the screen The Hard Disk Test contains eight subtests that test the functions of the hard disk drive Move the highlight bar to the subtest you want to execute and press Enter NOTES The contents of the hard disk will be erased when subtest 02 03 04 05 07 or 08 is executed Before running the test transfer the contents of the hard disk to other disk A password is necessary to execute the Hard Disk Test The password is hard disk Subtest 01 Subtest 02 Subtest 03 Sequential Read This subtest sequentially reads all the tracks on the HDD starting at track 0 When all tracks have been read the test starts at the maximum track and reads sequentially back to track 0 Address Uniqueness This subtest need very long time This subtest writes unique address data to each sector of the HDD track by track The data written to each sector is then read and compared with the original data There are three ways the HDD can be read e Forward sequential e Reverse sequential e Random Random Address Data This subtest writes random data to 1000 different random addresses on the HDD This data is then read and compared to the original data Satellite L20 Maintenance Manual 960 Q01 115 Subtest 04 Subtest 05 Subtest 06 116 Test Program for Field Cross Talk and Peak Shift This subtest writes eight o
99. f the most likely to fail data patterns shown below to a cylinder on the HDD then reads the data while moving from cylinder to cylinder Data Pattern B5ADADH 4A5252H EB6DB6H 149249H 63B63BH 9C49C4H 2DB6DBH D24924H Write Specified Address NOTE This subtest is designed to run with the Test Loop set to NO This subtest is a debug tool and the operator should enter the Test Parameters each time This subtest allows you to verify the errors from Subtest 01 It writes specified data to a specified LBA Use the Log Utilities see Section 3 18 to specify the LBA number where the error s occurred during Subtest 01 The following message displays on the screen to enter the test data and Sector count TEST DATA 27 SECTOR COUNT 01 39 START ADDRESS 00000000 Address Read Specified Address NOTE This subtest is designed to run with the Test Loop set to NO This subtest is a debug tool and the operator should enter the Test Parameters each time This subtest allows you to verify the errors from Subtest 01 It reads specified data Subtest 06 from a specified LBA Use the Log Utilities see Section 3 18 to specify the LBA number where the error s occurred during Subtest 01 The following message displays on the screen to enter the test sector count SECTOR COUNT 01 39 START ADDRESS 00000000 Address Satellite 120 Maintenance Manual 960 Q01 Test Program for Field Subtest
100. firmly and return to Procedure 1 If there is still an error perform Check 2 Check 2 The keyboard may be faulty Replace it with a new one following the instructions in Chapter 4 If the problem persists perform Check 3 Check 3 The System board may be faulty Replace it with a new one following the instructions in Chapter 4 If the keyboard is still not functioning properly perform Check 4 Check 4 The memory may be defective Replace the memory module with a new one following the steps described in Chapter 4 If the problem persist perform Check 5 Check 5 The CPU may be faulty Disassemble the computer following the steps described in Chapter 4 and replace the CPU with a new one EQUIUM M40 M45 Satellite M40 M45 Maintenance Manual 2 15 2 Troubleshooting 2 7 Display 2 7 Display To check if the computer s display is defective or malfunctioning follow the troubleshooting procedures below as instructed Procedure 1 External Monitor Check Procedure 2 Test Program Check Procedure 3 Connector Check and Replacement Check Procedure 1 External Monitor Check Connect an external monitor to the computer s external monitor port then boot the computer The computer automatically detects the external monitor even if resume mode is enabled If the external monitor works correctly the internal LCD LCD FL cable or FL may be faulty Go to Procedure 3 If the external monitor appears to have the same problem as the internal monitor
101. for Field 3 4 System Test To execute the System Test select 01 from the Diagnostic Test Menu press Enter and follow the directions on the screen The System Test contains two subtests Move the highlight bar to the subtest you want to execute and press Enter Subtest 01 FAN ON OFF Checking Select 1 2 3 to control FAN on off 1 Fan on 2 Fan off 3 Exit EWSFAN EXE Program Version 1 0 1 Fan On 2 Fan Off 3 Exit Fan Status On FanRPM 4250 or Fan Status OFF FanRPM 0 Subtest 02 Battery Test This will display battery information for check press ESC to exit voltage 16664 mV Remaining capacity alarm 0 mAh temperature 29 4 C Remaining time alarm 10 min current 0 mA Battery mode 0 average current 0mA AtRate 0mA relative state of charge 99 96 At rate time to full 65535 min absolute state of charge 99 At rate time to empty 65535 min remaining capacity 4074 mAh At rate O K FFFF full charge capacity 4109 mAh Maximun error 0 96 run time to empty 1 min Charging current 0 mA average time to empty 1 min Charging voltage 0 mA average time to full min Manufacturer name Panasonic cycle count 2 times Device name PA3420U1 BRS design capacity 4300 mAh Device chemistry LION design voltage 14800 mV Manufacturer data 0 specification information 3 1 Manufacture date 11 26 2004 serial no 4488 STATUS INIT DISK FULL CHG Press ESC KEY to exit 90 Satell
102. formance drive that reads DVD ROM at maximum 8 speed and CD at maximum 24 speed Write speed of DVD R RW and DVD RAM is different depending on the drive The DVD Super Multi drive is shown in Figure 1 5 The dimensions and specifications of the DVD Super Multi drive are described in Table 1 5 Table 1 6 Figure 1 5 DVD Super Multi drive Table 1 5 DVD Super Multi drive outline dimensions Parameter Standard value MATSUSHITA HLDS Pioneer TEAC UJ 841BTQ A GSA DVR K16TBA DV W28EA 4082N ATAKNO Outline dimensions Width mm Height mm Depth mm 190 10g 185 70 190 10g 190 10g 20 Satellite L20 Maintenance Manual 960 Q01 Chapter 1 Hardware Overview Table 1 6 DVD Super Multi drive specifications 1 4 Parameter DVD ROM MAX 8X CAV MAX 10800 kB s CD ROM MAX 24X CAV 3600 kB s CD R 4X 8X CLV MAX 12x 16x 24X ZCLV CD RW 4X CLV HS RW 4X 8X 10X CLV US RW 8x 10X CLV DVD R Data transfer 1X 2X CLV MAX 4x 6x 8X ZCLV DVD R for General speed DVD R DL 2X CLV DVD RW 1X 2X CLV MAX 4X ZCLV DVD R 2 4X CLV MAX 4x 6x 8X ZCLV DVD R DL 2 4X CLV DVD RW 2 4X CLV MAX 4X ZCLV DVD RAM 2X 3X 3X 5X ZCLV PIO mode 16 6 MB s PIO mode4 ATAPI interface DMA mode 16 6 MB s Multi word mode2 MB s Ultra DMA mode 33 3 MB s Ultra DMA mode2 Access time CD ROM 150 Random ms DVD ROM 180 Random CD DA CD ROM CD ROM XA AN PhotoCD m
103. hatper 1 Hardware Overview 1 8 Batteries The PC has the following two batteries 0 Main battery 0 Real time clock RTC battery Table 1 12 lists the specifications for these two batteries Table 1 10 Battery specifications Battery Name Battery Element Output Voltage Capacity Panasonic CGR B 8B9BE 4 300mAh 8 Cells Sanyo 4400mAh 8 cell Main battery Lithium ion Panasonic CGR B 438 14 4V 2 150 2250mAh 4 cells Sanyo 14 4V 22 22 4 Cells Pdl ue cack ML1220EI2 Nickel hydrogen RTC battery 1 8 1 Main Battery The main battery is the primary power supply for the computer when the AC adapter is not connected In Standby the main battery maintains the current status of the computer 32 Satellite L20 Maintenance Manual 960 001 Chapter 1 Hardware Overview 1 8 2 Battery Charging Control Battery charging is controlled by a power supply microprocessor The power supply microprocessor controls power supply and detects a full charge when the AC adaptor and battery are connected to the computer 0 Battery Charge When the AC adapter is connected normal charging is used while the system is turned on and quick charge is used while the system is turned off Refer to the following Table 1 11 Table 1 11 Time required for charges of main battery Power On Charge About 6 hours Power Off Charge About 3 hours Charge is stopped in the following cases 1 The main battery is fully charg
104. he CPU heat sink See Figure 4 44 1 Disconnect the Heat sink cable from the connector CN15 on the system board 2 Remove the following screws securing the heat sink holder along to 7 e M2 5x4 0 BIND screw x7 NOTE When removing the heat sink holder be sure to remove the screws in the reverse order of the number marked on the holder 3 Remove the CPU heat sink 6 4 SM25X40 BIND a LI we uu Heat sink cable i EPU amp VGA heat sink Figure 4 22 Removing the CPU amp VGA heat sink 190 Satellite L20 Maintenance Manual 960 Q01 Replacement Procedures 4 Unlock the CPU by rotating the cam on the CPU socket 120 degrees to the counterclockwise with a flat blade screwdriver 5 Remove the CPU Figure 4 23 Removing the CPU Installing the CPU amp VGA heat sink The following describes the procedure for installing the CPU See Figure 4 44to 4 46 1 Check that the mark of cam is in the unlocking position 2 Attach the CPU to the correct position in the CPU socket 3 Fix the CPU by rotating the cam 120 degrees to the clockwise with a flat blade screwdriver 4 If there is already silicon grease on the CPU chip and the VGA chip clean it with a cloth Using a special applicator apply silicon grease so that the CPU chip and VGA chip on them are completely covered Satellite L20 Maintenance 960 001 19 Replacement Procedures NOTE Apply the silicon grease
105. ht Shift Set 1 EO AA B6 E0 2A EO 36 Set 2 EO FO 12 E0 FO 59 EO 12 EO 59 Satellite L20 Maintenance Manual 960 Q01 D 5 Display codes ENT CTRL LALT ARROW NUMERIC Scrl Table D 3 Scan codes in Numlock mode Code set 1 Code set 2 ___ Table D 4 Scan codes with Fn key Code set 1 Code set 2 EO 1C EO 1D EO 38 45 45 46 mex wee EO FO 5A D 6 Satellite L20 Maintenance Manual 960 Q01 Display codes Table D 5 Scan codes in overlay mode Code set 1 Code set 2 _ RS e NS n boe ES O N A est Table D 6 No 124 key scan code Code set 1 Code set 2 Common Ctrl Shift Alt Satellite L20 Maintenance Manual 960 Q01 D 7 Display codes Table D 7 No 126 key scan code Key Code set 1 Code set 2 top Pause Common E1 1D 45 E1 9D 05 E1 14 77 E1 FO 14 FO 77 Ctrl E0 46 E0 C6 E0 7E EO FO 7E This key generates only make codes D 8 Satellite L20 Maintenance Manual 960 Q01 E 1 E 2 Satellite L20 Maintenance Manual 960 Q01 Appendix E Keyboard Layout United States US Keyboard nts I e Y eta deeded i d apices Und nn nnd SK 2K ME Vid M BE Irem ie cw 2K 92 WK OK
106. intenance Manual 960 Q01 Chatper 1 Hardware Overview USB FDD supports 720KB and 1 44MB 2 Satellite L20 Maintenance Manual 960 Q01 Chapter 1 Hardware Overview 0 Display LCD Built in 15 0 inch XGA 1024 x 768 dots 262 144 colors amorphous silicon TFT color display CRT Supported via a RGB connector TV out S VIDEO OUT port supported 0 Keyboard An easy to use 84 US 85 Euro key keyboard provides a numeric keypad overlay for fast numeric data entry The keyboard also includes two keys that have special functions in Microsoft Windows XP It supports software that uses a 101 or 102 key enhanced keyboard 0 PC card slot The PC card slot PCMCIA accommodates one 5mm Type II card The slot support 16 bit PC cards and Card Bus PC cards CardBus supports 32 bit PC cards Satellite L20 Maintenance Manual 960 Q01 Chatper 1 Hardware Overview 0 Optical devices A DVD ROM amp CD R RW drive or DVD Super Multi drive is equipped Battery The RTC battery is equipped inside the computer The main battery is a detachable lithium ion battery 4 300mAh Li Ion 8cell 0 USB Universal Serial Bus Three USB ports are provided The ports comply with the USB2 0 standard which enables data transfer speeds 40 times faster than USB1 1 standard USB1 1 is also supported 0 Sound system An internal stereo speaker external monaural microphone connector stereo headphone connector is also equipped Wirel
107. isplay for Num Lock Caps Lock and Scroll Lock in that order will flash repeatedly Confirm this visually The following screen displays while this test executes Keyboard LED ON CHECK Press ANY KEY PS 2 Mouse Pointing This subtest checks the function of mouse as shown below A Pointing device mouse B Mouse buttons Please move cursor to upper left and press left button screen will display lt PRESS gt in left rectangle move cursor to lower right and press right button screen will display lt PRESS gt in right rectangle the program exit If left and right button short screen will display lt Left and Right Button maybe short gt the program exit Satellite L20 Maintenance Manual 960 Q01 Test Program for Field K TOUCH_PAD TEST Please Do Not Press the Left and Right Button At The Same Time Satellite L20 Maintenance Manual 960 Q01 97 Test Program for Field 3 7 Display Test To execute the Display Test select 04 from the Diagnostic Test Menu press Enter and follow the directions displayed on the screen The Display Test contains twelve subtests that test the display in various modes Move the highlight bar to the subtest you want to execute and press Enter Subtest 01 Character Attributes This subtest displays character attributes and color attributes The character attributes are normal intensified reverse and blinking The color attributes are blue red magen
108. ite L20 Maintenance Manual 960 Q01 Test Program for Field Subtest 03 CPU Temperature This will display CPU Temperature for check press ESC to exit CPU Temperature XX Satellite L20 Maintenance Manual 960 Q01 91 Test Program for Field 3 5 Memory Test To execute the Memory Test select 02 from the Diagnostic Test Menu press Enter and follow the directions on the screen The Memory Test contains five subtests that test the computer s memory Move the highlight bar to the subtest you want to execute and press Enter NOTE If NO is selected for Test Loop on the Test Parameter menu the Test Status screen displays while the test is executing When the test is complete the Memory Test menu displays If YES is selected for Test Loop on the Test Parameter menu the Test Status screen displays while the test is executing Press Ctrl break to return to the Memory Test menu Subtest 01 Conventional Memory This subtest first writes test data patterns to conventional memory 0 to 640 KB then reads the new data and compares the result with the original data patterns If a compare error occurs the write data read data and test address display on the screen Addresses are displayed in 4KB increments during the test Test Process 1 Byte Enable Test One bit write 8 bit read is executed and the new data is compared with the original data Test data CCAA5533H 80000000H 2 Byte Enable Test One bit w
109. k and Replacement Check CAUTION The contents of the 2 5 inch HDD will be erased when the HDD 2 5 inch HDD diagnostic test or formatting is executed Save the required contents of the HDD to floppy disks or other storage drive in advance Procedure 1 Message Check When the computer s HDD does not function properly some of the following error messages may appear on the display Follow the steps below to check the HDD Check 1 If either of the following messages appears go to Procedure 2 If the following messages do not appear perform Check 3 Insert system disk in drive Press any key when ready or Non System disk or disk error Replace and press any key Check 2 Check SETUP to see if the Hard Disk option has been set to used If so choose another setting and restart the computer If the problem persists go to Procedure 2 Procedure 2 Partition Check Enter the MS DOS system Perform the following checks Check 1 Type C and press the Enter key If you cannot change to drive C perform Check 2 If you can change to drive C perform Check 3 Check 2 Type FDISK and press the Enter key Choose Display partition information from the FDISK menu If drive C is listed perform Check 3 If drive C is not listed return to the FDISK menu and choose the option to EQUIUM M40 M45 Satellite M40 M45 Maintenance Manual 2 11 2 Troubleshooting 2 5 2 5 inch HDD create a DOS partition on drive C Then restart th
110. lect NO to return the screen to the subtest menu after the test is complete Select YES to set the test to run continuously until it is halted by the user Error Stop Select NO to keep the test running even if an error is found Select YES to stop the test program when an error is found and display the HALT OPERATION screen as shown below HALT OPERATION 1 Test end 2 Continue 3 Retry These three selections have the following functions Terminates the test program and exits to the subtest menu 2 Continues the test from the error 3 Restarts the test from the beginning Use the arrow keys to move the cursor to the desired option and press Enter Table 3 1 in Section 3 3 lists the function of each test on the subtest menu Table 3 2 in Section 3 15 lists the error codes and error status for each error 86 Satellite L20 Maintenance Manual 960 Q01 Test Program for Field 3 3 Subtest names Table 3 1 lists the subtest names for each test program in the Diagnostic Test menu Table 3 1 Subtest Names 1 3 SYSTEM TEST FAN ON OFF check Battery TEST CPU Temperature MEMORY TEST Conventional Memory Protected Mode Protected Mode 32MB MAX RAM Refresh Stress Test 03 KEYBOARD TEST Pressed Key Display 88 Pressed Key Display 85 Pressed Key Display 84 Hot Key Display 4 Key Hot Key Display 5 Key Keyboard LED PS 2 Mouse Pointing 2Button 04 DISPLAY TEST Character Attributes Character Set 80 25 Charact
111. les at the four corners of the LCD module with the corresponding holes in the LCD cover before securing the module with screws Do not force the module into place because stress can affect its performance Also the panel s polarized surface is easily scarred so be careful when handling it Satellite L20 Maintenance Manual 960 Q01 A 1 Handling the LCD Module 3 Ifthe panel s surface gets dirty wipe it with cotton or a soft cloth If it is still dirty try breathing on the surface to create a light condensate and wipe it again If the surface is very dirty we recommend a CRT cleaning agent Apply the agent to a cloth and then wipe the panel s surface Do not apply cleanser directly to the panel CRT Cleaner 4 If water or other liquid is left on the panel s surface for a long period it can change the screen s tint or stain it Be sure to quickly wipe off any liquid A 2 Satellite L20 Maintenance 960 001 Handling the LCD Module 5 Glass is used in the panel so be careful not to drop it or let it strike a hard object which could cause breakage or cracks 6 CMOS LSI circuits are used in the module so guard against damage from electrostatic discharge Be sure to wear a wrist or ankle ground when handling the module Satellite L20 Maintenance Manual 960 Q01 A 3 Handling the LCD Module 7 Do not expose the module to direct sunlight or strong ultraviolet rays for long periods 4 8 Do
112. lite 120 Maintenance Manual 960 Q01 Test Program for Field 3 6 Keyboard Test To execute the Keyboard Test select 03 from the Diagnostic Test Menu press Enter and follow the directions on the screen The Keyboard Test contains seven subtests that test the computer s keyboard and mouse actions Move the highlight bar to the subtest you want to execute and press Enter NOTE The Test Loop and Error Stop parameters are not enabled for the Keyboard test Subtest 01 Pressed Key Display 88 Keyboard When you execute this subtest the keyboard layout is drawn on the display When any key is pressed the corresponding key on the screen changes from light to dark Holding a key down enables the auto repeat function which causes the key s display character to blink Press Key Display Layout of a keyboard 88 keys Subtest 02 Pressed Key Display 85 Keyboard This subtest is used for the 85 keyboard and functions the same as Subtest 1 Subtest 03 Pressed Key Display 84 Keyboard This subtest is used for the 84 keyboard and functions the same as Subtest 1 Satellite L20 Maintenance Manual 960 Q01 95 Subtest 04 Subtest 05 Subtest 06 Subtest 07 96 Test Program for Field Hot Key Display 4 Key This subtest is used for the 4 hot key and functions the same as Subtest 1 Hot Key Display 5 Key This subtest is used for the 5 hot key and functions the same as Subtest 1 Keyboard LED The LED d
113. na 72 Optical Disk Drive Troubleshooting esee enne 73 Procedure 1 Diagnostic Test Program Execution Check 73 Procedure 2 Connector Check and Replacement Check 73 Moden Tr ublesho ting ie eo eii te 74 Procedure 1 Diagnostic Test Program Execution Check 74 Procedure 2 Connector Check and Replacement Check 74 LAN IroublesBoOHHBg Ud 76 Procedure 1 Diagnostic Test Program Execution Check 76 Procedure 2 Connector Check and Replacement Check 76 Wireless LAN Troubleshooting UIN URN EU e RIA SER TI Procedure 1 Transmitting Receiving 2 77 Procedure 2 Antennas Connection ederet ts 78 Procedure 3 Replacement C Deck 79 Sound LroubleshoOtlig x aa tutae 80 Procedure 1 Diagnostic Test Program Execution Check 80 Procedure 2 Connector unen eh ee oe 80 Procedure 3 Replacement Check ueni ie dt 81 Chapter 3 Test Program for Field 3 1 3 2 3 3 3 4 3 5 3 6 3 7 3 8 Tests and Diagnostics Software 82 Executing the Diagnostic Error Bookmark
114. ncrements during the test Test Process 1 Switch to Protected Mode INT 15H 2 Tests from 32MB to the maximum installed memory extended memory Executes Step 1 through Step 5 of Subtest 1 The test data is the same as Subtest 1 RAM Refresh This subtest writes a data pattern CCAA5533H in 4KB from 0 to the maximum installed memory then waits for a memory refresh cycle 16 ms or more reads the new data and compares the result with the original data pattern Satellite L20 Maintenance Manual 960 Q01 93 Test Program for Field Test Process 1 Checks the memory size to determine the maximum size of installed memory 2 Tests memory addresses 0 to the maximum installed 3 Writes reads and compares test data after a memory refresh cycle 16ms or more NOTE There may be a short delay between write and read operations depending on the memory size Subtest 05 Stress Test This subtest writes the following 16KB data patterns to the Write Read Buffer in conventional memory data FFFFFFFFFFFFFFFF0000000000000000 5555555555555555AAAAAAAAAAAAAAAA CCCCOCECCCCCCCCESS33333333333333 0000000000000000FFFFFFFFFFFFFFFF AAAAAAAAAAAAAAAAS 555555555555555 333333333 3333333ECCCCECECECECECEE FFFFFFFFFFFFFFFF0000000000000000 0000000000000000FFFFFFFFFFFFFFFF 5555555555555555AAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAS555555555555555 GOCCCCCCCCCCCCCCS3333333392933332333 3333333333333333CCCCCCCCCCCCCCCC 94 Satel
115. nd set the speaker cover assembly and secure it with the following screw e M2 5x4 0B FLAT BIND screw xl 6 Install the keyboard brace by pressing it from the topside 168 Satellite 120 Maintenance Manual 960 Q01 Replacement Procedures 4 8 LED Board Removing the LED Board The following describes the procedure for removing the LED board See Figure 4 12 1 Remove the following screw securing the switch membrane e M2 5x3 0B FLAT BIND screw x2 2 Pushup the LED board to the arrow direction and remove it LED Board M2 5x3 0 FLAT BIND Figure 4 9 Removing the LED board Satellite L20 Maintenance 960 001 169 Replacement Procedures Installing the LED Board The following describes the procedure for installing the switch membrane See Figure 4 12 1 Press LED board in the computer 2 Secure the LED board with the following screw e M2 5x3 0B FLAT BIND screw x2 170 Satellite L20 Maintenance 960 001 Replacement Procedures 4 9 Optical disk drive NOTE Do not apply excessive force to the top of an optical disk drive Do not touch the shaded portion of the figure below when the drive is removed or installed Removing an optical disk drive The following describes the procedure for removing an optical disk drive See Figure 4 13 and 4 14 1 Turn over the computer and remove the following screws securing an optical disk drive M2 5x6 0B FLAT BIND screw x1 2 Upside down
116. ngths of the screws are indicated on the computer body Format Screw shape Screw length mm Screw shape B Bind screw F Thin head screw S Super thin head screw T Tapping screw U Other screws Unique screws pan head stud etc Example B6 6mm bind screw 150 Satellite L20 Maintenance 960 001 Replacement Procedures 4 2 Battery pack Removing the battery pack The following describes the procedure for removing the battery pack See Figure 4 1 CAUTION Take care not to short circuit the terminals when removing the battery pack Similarly do not drop knock scratch disassemble twist or bend the battery pack 1 Turn off the power of the computer 2 Disconnect the AC adapter and all external devices from the computer 3 Turn the computer upside down 4 Slide and hold the battery release latch 2 to free the battery pack after moving the battery release lock 2 into it unlock position the slide the battery pack out of the computer Satellite L20 Maintenance 960 001 151 Replacement Procedures Battery Release Battery pack Latch 2 Battery Release Lock 1 lt Er ee Releasing the battery pack Figure 4 1 Removing the battery pack NOTE Dispose of the used battery pack in accordance with the laws and ordinances of your local authority Installing the battery pack
117. not defined SUblest NAMES ETC L 87 ED US SU tat o eee Mn Sip sd thet M 90 Menn 92 Keyboard Debs breer NE 95 oes ecu mets astu editae 98 Floppy si HO 113 Satellite L20 Maintenance Manual 960 001 3 9 3 10 3 11 3 12 3 13 3 14 3 15 3 16 3 17 3 18 3 19 3 20 3 21 Satellite L20 Maintenance Manual 960 Q01 0 Hard Disk Vest eee 115 Real Time Clock 118 Cache Memory Tessa eder OR tee BN e e ptc iive do 120 High Resolution Display 122 Multimedia Leste epe eee 128 2 pati D pn aba HD ba UN 129 Error Codes and Error Status 131 Test Hebe 133 DMI INFOEMA TION suisse ge SR 134 3 17 1 Check DMI Informations eite eda 134 3 172 Write DMI LORMAN OMe eed asa pel hoy x wee erates 134 Por UE RPM MEN 136 ae rue 136 System Configuration Em 138 Rinne Test Edit Hefe aa catechins ase age neg dea 139 3 20 1 Function DesctrptOn vieeeosecsurev ca entes dd 141 3 20 2 Operation 141 Common Pests an Opera east la reite
118. on the Test Parameter Menu 124 Satellite L20 Maintenance Manual 960 Q01 Test Program for Field Subtest 04 1024 768 Mode Display This subtest uses 1024 768 video resolution to display a high resolution white frame 256 letter types 8 16 pixels and 64 gradations of white red green and blue as shown below GOP eae Gor eh ae eat 5 4 1012 3456789 gt 7 MABCDEFGHIJELMHO pp psa gos 1024 768 2551 ah pcdefghijklmnm g Press I Enter key pq ret uUyw ey at iy GC amp amp a amp amp ce Beiili Ee ftootuyOuce hm f 256 letter types aiogunNaaggr lt gt indication nisu ve we Bp bal twp tm Q 4 1 4 2 4 3 4 4 4 5 4 6 To exit this subtest and return to the High Resolution Display Test menu Press Enter if NO was selected for Test Loop on the Test Parameter Menu Press Ctrl break if YES was selected for Test Loop on the Test Parameter Menu Satellite L20 Maintenance Manual 960 Q01 125 Subtest 05 126 Test Program for Field H Pattern Display This subtest uses the 1024 768 Mode to display a high resolution white frame H letters 8 16 pixels fonts at 128 letters by 48 lines HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH
119. on the Test Parameter Menu Press Ctrl break if YES was selected for Test Loop on the Test Parameter Menu 106 Satellite 120 Maintenance Manual 960 Q01 Test Program for Field Subtest 08 Subtest 9 H Pattern Display This subtest displays a full screen of patterns HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH
120. ons of green are displayed 64 gradations of blue are displayed 64 gradations of white are displayed Press Enter KEY To exit this subtest and return to the Display Test menu Press Enter if NO was selected for Test Loop on the Test Parameter Menu Press Ctrl break if YES was selected for Test Loop on the Test Parameter Menu 102 Satellite L20 Maintenance Manual 960 Q01 Test Program for Field Subtest 05 640 200 Character Display This subtest uses 640 200 video resolution to display three windows each window drives a different set of dots even dots odd dots and all dots The screen below displays when this subtest is executed 640 200 GRAPHICS DISPLAY 6 EVEN DOTS ODD DOTS ALL DOTS DRIVEN DRIVEN DRIVEN Press ENTER to display the following 16 colors black blue green cyan red magenta brown white dark gray light blue light green light cyan light red light magenta yellow and intensified white 640 200 GRAPHICS DISPLAY 1 om To exit this subtest and return to the Display Test menu DARK LIGHT LIGHT LIGHT LIGHT LIGHT YELLOW GRAY BLUE GREEN CYAN RED MAGENTA INTENSIFIED WHITE Press Enter if NO was selected for Test Loop on the Test Parameter Menu Press Ctrl break if YES was selected for Test Loop on the Test Parameter Menu Satellite L20 Maintenance Manual 960 Q01 103 Subtes
121. orated under license from SRS Labs Inc Other trademarks and registered trademarks not listed above may be used in this manual 2 Satellite L20 Maintenance Manual 960 Q01 0 Preface This maintenance manual describes how to perform hardware service maintenance for the Toshiba Personal Computer Satellite L20 Series The procedures described in this manual are intended to help service technicians isolate faulty Field Replaceable Units FRUs and replace them in the field SAFETY PRECAUTIONS Four types of messages are used in this manual to bring important information to your attention Each of these messages will be italicized and identified as shown below DANGER Danger indicates the existence of a hazard that could result in death or serious bodily injury if the safety instruction is not observed WARNING Warning indicates the existence of a hazard that could result in bodily injury if the safety instruction is not observed CAUTION Caution indicates the existence of a hazard that could result in property damage if the safety instruction is not observed NOTE Note contains general information that relates to your safe maintenance service Improper repair of the computer may result in safety hazards Toshiba requires service technicians and authorized dealers or service providers to ensure the following safety precautions are adhered to strictly Be sure to fasten screws secur
122. oting The FL may be faulty Replace it with a new one and return to Procedure 3 If there is still an error perform Check 4 The FL inverter board may be faulty Replace it with a new one and return to Procedure 3 If there is still an error perform Check 5 Make sure the LCD FL cable has been firmly connected to the system board and LCD module FL inverter board System board CPU Check 6 Check 7 Check 8 Check 9 Check 10 LCD FL cable If the cable is loose or off reconnect it firmly and return to Procedure 3 If there is still an error perform Check 6 The LCD FL inverter cable may be faulty Replace it with a new one and return to Procedure 3 If there is still an error perform Check 7 The LCD module may be faulty Replace it with a new one and return to Procedure 3 If there is still an error perform Check 8 The System board may be faulty Replace it with a new one If there is still an error perform Check 9 The CPU may be faulty Replace it with a new one following the instructions in Chapter 4 The memory may be defective Replace the memory module with a new one following the steps described in Chapter 4 If the problem persist perform Check 10 EQUIUM M40 M45 Satellite M40 M45 Maintenance Manual 2 17 2 Troubleshooting 2 8 ODD Driver 2 8 ODD Optical Disk Drive To check if the internal ODD drive is defective or malfunctioning follow the troubleshooting procedures below as instructed Procedure
123. ow to operate a window To input parameters or open a window use the following keys gt key tomove a highlight bar Enter key to select an item at the highlight bar Esc key to close the current window and go back to the previous window 3 21 2 How to Stop the Test Program To stop a test Ctrl Break Press the Ctrl key and the Break key simultaneously 3 21 3 Test Status Screen NOTE The Test Status Screen does not display during all the tests See the specific test description Sections 3 4 through 3 14 The following Test Status screen displays during most tests See the description of each test Sections 3 4 through 3 14 for specific screen information Test Name Sub Test 0101 Pass Count 00000 Error Count 00000 Write Data 00 Read Data 00 Address 00000000 Status 00 Test Name Displays the name of the test being executed Subtest No Displays the Subtest number in the following format ffeg ff 2 Subtest No gg Step Number Will be blank if the test does not have a Step Number Satellite L20 Maintenance Manual 960 Q01 141 142 Pass Count Error Count Write Data Read Data Test Address Error Status Error Name Test Program for Field Displays the number of times the test has been executed Displays the number of errors which have occurred during the test Displays only the test data that has failed to compare during the test while being written during the test
124. own 2 Remove the following screws from the k b cover of the computer M2 0x3 0 FLAT BIND screw x2 Locktight M2 5x6 0 FLAT BIND screw x2 Locktight M2 5x6 0 FLAT BIND Locktight E M2 0x3 0 FLAT BIND 5 Locktight Figure 4 12 Removing the screws securing display assembly Satellite L20 Maintenance 960 001 175 Replacement Procedures 3 Open the MINIPCI Door and remove the wireless LAN antenna connector Figure 4 13 Removing the MINIPCI door and connetor back 4 Open the display and removing the k b cover and keyboard 176 Satellite L20 Maintenance Manual 960 Q01 Replacement Procedures Figure 4 17 Removing the cables back 5 Pull out the wireless LAN antenna cables from the guide J Figure 4 14 Removing the antenna cables back 6 Opening the display to 180 degree and remove the hinge screw M2 3x6 0 FLAT BIND screw x4 Locktight Satellite 120 Maintenance Manual 960 Q01 177 Replacement Procedures M2 5x6 0 FLAT BIND Locktight 2 5 6 0 FLAT BIND Locktight Figure 4 15 Removing the hinge screw back back 178 Satellite L20 Maintenance 960 001 Replacement Procedures 7 Remove the LCD harness from the connector on the system board and Pulling out the pole of hinge from the hole of hinge assembly remove the display assembly from the base assembly Display assembly Figure 4 16 Removing the LCD harness an
125. p XXXXXXXXXXXXX ODD DRIVE S XXXXXXXX FW Rev XXXX Press Enter to return to the Diagnostics Menu 136 Satellite 120 Maintenance Manual 960 Q01 Test Program for Field 3 20 Running Test Edit Item 3 20 1 Function Description Function description lets you add or delete the subtests used to execute the Running Test The following screen displays after pressing the Tab key to edit an item in the Running Test KEY OPERATION Cursor Down Cursor Up PgDn Page Down PgUp Page Up Home Top of ITEM End End of ITEM Ins Insert ITEM Del Delete ITEM Enter End 3 20 2 Operation Description Select 05 from the Diagnostics Menu and press Enter to display the following Loop Count T No 01 02 02 02 02 04 04 04 04 04 04 04 04 05 08 08 Test Item Editor infinity 00000 1 65535 0 Test Name S No System Test Subtes Memory Test Subtes Memory Test Subtes Memory Test Subtes Memory Test Subtes Display Test Subtes Display Test Subtes Display Test Subtes Display Test Subtes Display Test Subtes Display Test Subtes Display Test Subtes Display Test Subtes Floppy Disk Test Subtes Hard Disk Test Subtes Real Time Clock Test Subtes Cf ct ct ct cf ct ct cf 01 01 02 03 04 01 02 03 04 05 06 07 08 02 01 02 Conventional Memory RUNNING TEST Error Stop Subtest Name ROM Checksum Protect Mode Protect Mode 32MB Max
126. perating system can cause the computer to malfunction Make sure any piece of optional equipment has been installed 2 2 EQUIUM M40 M45 Satellite M40 M45 Maintenance Manual 2 2 Basic Flowchart 2 Troubleshooting Connect the AC Adapter DC IN LED on Yes BATTERY LED on Yes Follow the power supply diagnostic procedure in Section 2 3 Follow the power supply diagnosti procedure in Section 2 3 Turn the power on Follow the system board diagnostic procedure in Section 2 4 Follow the display diagnostic 4 procedure in Section 2 7 Yes Message In Touch with Tomorrow Toshiba displayed See the previous page to delete the password Follow the HDD diagnostic procedure in Section 2 5 Figure 2 1 Basic flowchart 1 2 Password displayed Yes EQUIUM M40 M45 Satellite M40 M45 Maintenance Manual 2 3 2 Troubleshooting 2 2 Basic Flowchart Keyboard works well Insert Bootable CD into ODD Follow the keyboard diagnostic procedure in Section 2 6 Diagnostic Program Loaded Yes Perform each test with the diagnostic program Any error detected by the diagnostic program No Perform the continuous test to check 1f the error is intermittent Identify the test resulting in the Any error detected by the error and perform the appropriate diagnostic program dia proce
127. puter 2 Attach the battery and AC adapter back again If the LED still off follow the steps below Check 1 Make sure the DC IN LED goes on in Blue If it does not go to Procedure 2 Check 2 Make sure the Battery LED goes on in Amber or Blue If it does not go to Procedure 3 EQUIUM M40 M45 Satellite M40 M45 Maintenance Manual 2 7 2 Troubleshooting 2 3 Power Supply Procedure 2 Connection Check Power is supplied to the system board as illustrated below AC power cord AC adaptor System board AC adaptor cord Battery pack Follow the steps below to check whether each connector has been connected correctly Check 1 Check 2 Check 3 Make sure the AC adaptor and AC power cord have been firmly plugged into the DC IN 19V socket and wall outlet respectively When they have been connected correctly perform Check 2 Connect a new AC adaptor and AC power cord e Ifthe DC IN LED does not go on go to Procedure 3 e Ifthe battery LED does not go on perform Check 3 Make sure the battery pack has been correctly installed in the computer If the battery LED does not go on while the battery pack has been installed correctly go to Procedure 3 Procedure 3 Replacement Check The system board power supply board or CPU may be faulty Disassemble the computer according to Chapter 4 and follow the steps below Check 1 Check 2 Check 3 2 8 Replace the power supply board with a new one If the battery p
128. r KBD cover keyboard 166 Figure 4 8 Removing the keyboard KBD 167 Figure 4 9 Removing the LED 169 Figure 4 10 Removing an optical disk 172 Figure 4 11 Disassembling the ODD bracket sese 173 Figure 4 12 Removing the screws securing display 1 175 Figure 4 13 Removing the MINIPCI door and connetor 2 2 176 Figure 4 14 Removing the antenna cables 177 Figure 4 15 Removing the hinge screw back eese 178 Figure 4 16 Removing the LCD harness and Remove the display assembly 179 Figure 4 17 Removing screws ER Ee Meat 181 Figure 4 18 Removing the screws amp cables 183 Figure 4 19 Removing the cover assembly 184 Figure 4 20 Removing the touch son ead od aste eeu eases 186 Figure 4 21 Removing the system board 188 Figure 4 22 Removing the CPU amp VGA heat sink 190 Figure 4 23 Removing the CPU tide e e obe te cea ab arenes 191 Figure 4 24 Applying silicon Doct ale prete flet coctus 192 Figure 4 25 Removing the display mask ie edad he 1
129. r describes the fault diagnosis procedures for field replaceable units FRUs in the computer The FRUs covered here are as follows 1 System board 2 2 5 inch HDD 3 Keyboard 4 Display 5 ODD drive 6 LAN 7 Speaker 8 TEEE 1394 9 Cooling module See Chapter 4 for the procedures to replace FRUs and Chapter 3 for the procedures to use test programs The following tools are required to perform the diagnostic procedures Diagnostics maintenance test program disk Phillips screwdrivers 2 mm 2 5 mm Cleaning disk kit for ODD drive cleaning Bootable CD PC Card loopback connector Multimeter External monitor Headphone Microphone 10 A BEX TEST DVD 11 Music CD 12 DVD TSD 1 TOSHIBA EMI DVD Test Media EQUIUM M40 M45 Satellite M40 M45 Maintenance Manual 2 1 2 Troubleshooting 2 2 Basic Flowchart 2 2 Basic Flowchart The basic flowchart in Figure 2 1 serves as a guide for identifying a possibly faulty FRU Before going through the diagnostic flowchart steps verify the following Ask the user if a password has been registered and if so ask him or her to enter the password If the user has forgotten the system password use a jump wire to make a short circuit on M B PAD2 then turn the computer power on When booted the computer overrides password protection and automatically erases the current password Make sure the Windows XP Home Edition has been installed on the HDD Any other o
130. ra odd Lusit ant 141 3 21 1 How to operate a 02 141 3 21 2 How to Stop the Test 141 3 21 3 Test Status DOT dus due SE dedi 141Error Bookmark not defined Slide Test Stop DP E EEES 143 3215 Hov Deeds 143 0 Chapter 4 Replacement Procedures 4 1 4 2 4 3 4 4 4 5 4 6 4 7 4 8 4 9 4 10 4 11 4 12 4 20 4 2 10 CPV 144 Date Preca onsems neasa estos pe tana de 145 Before You Ben pA 146 Disassembly Procedure a OU RU 147 Assembly Procedures ede 148 Tools and OE VES DE rte 148 Screw Tightening TORQU tomi iota DR UM teats 149 acidi ea EE E E 149 STEW Notation D 150 Battery dps buds 151 P ee Ge ee GAGA 154 156 Wireless EAN deben d te e 160 Memory module e 162 KG ueri 165 LED BO at xot one SAG 169 Optical disk iato ett ST 171 Display sen 175 COVER us GST 181 Bir
131. rite 16 bit read is executed and the new data is compared with the original data Test data CCAA5533H 80000000H 3 Data bus test One bit write 16 bit read is executed and the new data is compared with the original data Test data 1H 2H 4H 8H 10H through 80000000H 4 Fixed data test 16 bit write 16 bit read is executed and the new data is compared to the original data Test data FFFFFFFFH 00000000H 80018001H 92 Satellite L20 Maintenance Manual 960 Q01 Test Program for Field Subtest 02 Subtest 03 Subtest 04 5 Address pattern test 16 bit write and 16 bit read of address pattern data is executed and the new data is compared with the original data Test data 0000H 0004H 0008H 000 8000 8004H through FFECH Protected Mode This subtest first writes data patterns and address data from 1 to 32 MB then reads the new data and compares the result with the original data patterns Addresses are displayed in 64KB increments during the test Test Process 1 Switch to Protected Mode INT 15H 2 Tests 256KB 640KB and 1MB to 32MB of installed memory Executes Step 1 through Step 5 of Subtest 1 The test data is the same as Subtest 1 Protected Mode 32MB MAX This subtest first writes data patterns and address data from 32MB to the maximum installed memory reads the new data and then compares the result with the original data patterns Addresses are displayed in 64K B i
132. rocedure 1 Test Program Check Execute the IEEE 1394 test program available as part of the maintenance test program This program checks the IEEE 1394 Insert the Bootable CD into the CD Turn on the computer and run the test See Chapter 3 for information on how to perform the test If any error is detected by the test go to Procedure 2 Procedure 2 Connector Check The IEEE 1394 connector is mounted on the system board If the IEEE 1394 malfunctions the system board or CPU might be faulty Disassemble the computer following the steps described in Chapter 4 and perform the following checks Check 1 The system board may be faulty Replace it with a new one following the instructions in Chapter 4 If the IEEE 1394 is still not functioning properly perform Check 2 Check 2 The memory may be defective Replace the memory module with a new one following the steps described in Chapter 4 If the problem persist perform Check 3 Check 3 The CPU may be faulty Disassemble the computer following the steps described in Chapter 4 and replace the CPU with a new one 2 22 EQUIUM M40 M45 Satellite M40 M45 Maintenance Manual 2 12 Cooling Module 2 Troubleshooting 2 12 Cooling Module To check if the computer s cooling module is defective or malfunctioning follow the troubleshooting procedures below as instructed Procedure 1 Test Program Check Procedure 2 Connector Check and Replacement Check Procedure 1 Test Program Check Execute the Fan
133. ror is detected by the IEEE 1394 test follow the IEEE 1394 troubleshooting procedures in section 2 11 If an error is detected by the Fan On Off test follow the cooling module troubleshooting procedures in Section 2 12 EQUIUM M40 M45 Satellite M40 M45 Maintenance Manual 2 5 2 Troubleshooting 2 3 Power Supply 2 3 Power Supply The power supply in the computer controls many functions and components To check if the power supply is defective or malfunctioning follow the troubleshooting procedures below as instructed Procedure 1 Power Icon Check Procedure 2 Connection Check Procedure 3 Replacement Check Procedure 1 Power Icon Check The following two power LEDs indicate the power supply status Battery LED DCIN LED The power supply controller displays the power supply status through the Battery and DC IN LEDs as in the tables below Battery LED Battery LED Power supply status On in Blue or Green Battery fully charged with AC adapter connected Blinking in Amber Battery low 1 while driving the computer at equal intervals 2 6 EQUIUM M40 M45 Satellite M40 M45 Maintenance Manual 2 3 Power Supply 2 Troubleshooting DCIN LED DC IN LED Power supply status On in Blue or Green DC power being supplied from the AC adapter Off Battery damage and can t charge during DC in If the DC IN LED off follow the steps below 1 Remove the battery pack and the AC adapter to shut off power supply to the com
134. s from the connectors CN1 on the FL inverter 6 Disconnect the HV harnesses from the connectors CN2 on the FL inverter 7 Remove the FL inverter while peeling off the double sided tape Insulator lt 4 gt E FL inverter Double sided tape Insulator adhered Figure 4 26 Removing the FL inverter 194 Satellite L20 Maintenance 960 001 Replacement Procedures 8 Remove the following screws securing the LCD unit M2 5x4 0 BINK HEAD screw x6 9 With the bottom edge of the LCD unit on the display cover lift only the top edge of the LCD unit After peeling off the CONDUTIVE tape disconnect the LCD harness from the connector on the back of the LCD 10 Remove the LCD unit M2 5x4 0 BINK HEAD LCD unit CONDUTIVE tape M2 5X4 0 BINK HEAD LCD harness Figure 4 27 Removing the LCD unit Satellite L20 Maintenance 960 001 195 Replacement Procedures 11 Remove the following screws securing the LCD support LCD unit side and remove the LCD supports from the LCD unit e M2 0x3 0 BINK screw x8 LCD support Figure 4 26 Removing the LCD supports 196 Satellite 120 Maintenance Manual 960 Q01 Replacement Procedures Installing the LCD unit FL Inverter The following describes the procedure for installing the LCD unit and FL inverter See Figure 4 52 to 4 55 1 Install the LCD supports LCD unit side to the LCD and secure them with the following screws M
135. s it into RAM The subtest then writes the marching data 00H through 01H and 01H through 00H reads the new data and compares the result with the original data The original cache memory content is then restored to the cache memory Working Data Test This subtest reads the contents of cache memory and saves it into RAM The subtest then writes the working data reads the new data and compares the result with the original data The original cache memory content is then restored to the cache memory Satellite L20 Maintenance Manual 960 Q01 121 Test Program for Field 3 12 High Resolution Display Test To execute the High Resolution Display Test select 09 from the Diagnostic Test Menu press Enter and follow the directions on the screen The High Resolution Display Test contains six subtests that test the computer s high resolution video display Move the highlight bar to the subtest you want to execute and press Enter Subtest 01 VRAM W R C Test This subtest writes address and data patterns to Video RAM then reads the values from the Video RAM and compares them to the original test patterns During the execution of this test 13 different color screens display black green green blue blue red red red black white pink cyan and black Test Process 1 Sets the video display to 1024 768 mode 2 Bank change test Writes 1 byte data in order 0 1 through Fh and compares the result at every bank to the original d
136. se the screw securing KBD cover M2 0x3 0B Flat BIND screws x2 3 Loose the screw securing keyboard M2 5x6 0B Flat BIND screws X2 4 Upside down the computer 5 Open the display 6 Remove KBD cover Insert your finger into the slot between the keyboard cover and the keyboard Then lift up the keyboard cover to remove it 7 Insert your finger into the keyboard slot and keyboard Then lift up the keyboard to remove it 8 Disconnect keyboard cable Satellite L20 Maintenance Manual 960 Q01 165 Replacement Procedures 7 Removing screws for KBD cover keyboard Figure 4 Satellite L20 Maintenance Manual 960 Q01 166 Replacement Procedures KBD cover gt Figure 4 8 Removing the keyboard KBD cover 167 Satellite L20 Maintenance Manual 960 Q01 Replacement Procedures Installing the keyboard The following describes the procedure for installing the keyboard See Figure 4 9 to 4 110 1 Turn the keyboard upside down and place it on the palm rest as its face down Connect the keyboard flexible cable to the connector CN3200 on the system board 2 Install the keyboard support plate and secure it with the following screws e M2 5x8 0B FLAT BIND screw x2 3 Turn the keyboard face up and put it on the computer Make sure that there is no space between the keyboard and the computer 4 Secure the keyboard with the following screws M2 5x2 8B FLAT BIND screw x2 5 Slide a
137. seudorandom sequence generator The test checks address error FFFFFFFFFFFFFFFF0000000000000000 0000000000000000FFFFFFFFFFFFFFFF Subtest 02 Walking 1 Walking 0 test Left This subtest uses running one running zero patterns This test sequence allows also to checking system bus in maximum noise conditions The following test sequence is written FFF7FFF7FFF7FFF8000800080008000 BFFFBFFFBFFFBFFF4000400040004000 After all the memory being tested is filled with the pattern it is read in descanting direction and compared with reference data As the memory is read the data is replaced with inverse test pattern After all the memory is read and replaced with inverted pattern it is read in descanting direction and compare with new reference data As the memory is read the data is replaced with next pattern which is like first one shifted to right Subtest 03 Walking 1 Walking 0 test Right Tee test method is the same as Subtest2 However the data to be used differs 80008000800080007FFF7FFF7FFF7FFF 4000400040004000BFFFBFFFBFFFBFFF Subtest 04 Walking 1 Walking 0 test Left Right Satellite L20 Maintenance Manual 960 Q01 129 Test Program for Field Tee test method is the same as Subtest2 However the data to be used differs FFF7FFF7FFF7FFF8000800080008000 BFFFBFFFBFFFBFFF4000400040004000 DFFFDFFFDFFFDFFF2000200020002000 FFFBFFFBFFFB
138. t 06 104 Test Program for Field 640 480 Character Display This subtest uses 640 350 video resolution to display 16 colors black blue green cyan red magenta brown white dark gray light blue light green light cyan light red light magenta yellow and intensified white The screen below displays when this subtest is executed 640 350 GRAPHICS DISPLAY i 10 sax ow mer m sum amer ems ECC MAGENTA _______ mg LIGHT MAGENTA 71 INTENSIFIED WHITE Press Enter KEY Press ENTER to display the following 16 colors black blue green cyan red magenta brown white dark gray light blue light green light cyan light red light magenta yellow and intensified white using 640 480 video resolution Satellite L20 Maintenance Manual 960 Q01 Test Program for Field 640 480 GRAPHICS DISPLAY i 12 Press Enter KEY To exit this subtest and return to the Display Test menu DARK LIGHT LIGHT LIGHT LIGHT LIGHT YELLOW GRAY BLUE GREEN CYAN RED MAGENTA INTENSIFIED WHITE Press Enter if NO was selected for Test Loop on the Test Parameter Menu Press Ctrl break if YES was selected for Test Loop on the Test Parameter Menu Satellite L20 Maintenance Manual 960 Q01 105 Test Program for Field Subtest 07 Display Page This subtest
139. ta cyan yellow and white These seven colors each display a background color foreground color and high resolution color The screen below displays when this subtest is executed CHARACTER ATTRIBUTES NEXT LINE SHOWS NORMAL DISPLAY NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN NEXT LINE SHOWS INTENSIFIED DISPLAY IITIITITITIITITIIITIIIIIITTIIIITIII NEXT LINE SHOWS REVERSE DISPLAY RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR NEXT LINE SHOWS BLINKING DISPLAY BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB BLUE RED MAGENTA GREEN CYAN YELLOW WHITE Press Enter KEY To exit this subtest and return to the Display Test menu 98 Satellite L20 Maintenance Manual 960 Q01 Test Program for Field Press Enter if NO was selected for Test Loop on the Test Parameter Menu Press Ctrl break if YES was selected for Test Loop on the Test Parameter Menu Subtest 02 Character Set This subtest displays the character codes 00H FFH using Mode 01H 40 25 The screen below displays when this subtest is executed CHARACTER SET IN 40 25 geves pogaessob5b r timS8etti eceoav gt 5 0123456789 lt gt 7B0BABCDEFGHIJKLMNO FQRSTUVAWXYZLN I abcocdefghijklmrnopnpmqrstuw x9zilt ague amp aa amp e amp i ii amp erxz 600 0u00900cEs nm 7 4 14 17 73 tts HHF p Haj 8 60566
140. test sequentially reads all the tracks Tracks 0 to 79 on the floppy disk Subtest 02 Sequential W R C This subtest continuously writes the data pattern BSADADh to all the specified tracks selected in Subtest 01 The data pattern is then read and compared to the original data Subtest 03 Random Address Data This subtest writes random data to random addresses on all tracks defined in Subtest 01 The data is then read and compared to the original data Satellite L20 Maintenance Manual 960 Q01 113 Test Program for Field Subtest 04 Write Specified Address NOTE The first two digits of the ADDRESS indicate which track is being tested the next two digits indicates the head and the last two digits indicate the sector This subtest allows you to verify the errors from Subtest 02 It writes specified data to a specified track and head Use the Log Utilities see Section 3 21 to specify the track number and head number where the error s occurred during Subtest 02 The following message displays on the screen to enter the test data track number and head number TEST DATA TRACK NO 00 79 HEAD NO 0 1 Subtest 05 Read Specified Address This subtest reads data from a specified track and head The following message displays on the screen to enter the test track number and head number TRACK NO 00 79 HEAD NO 0 1 114 Satellite 120 Maintenance Manual 960 Q01 Test Program for Field 3 9 Hard Disk T
141. the Bootable CD into the CD Turn on the computer and run the check program See Chapter 3 for information on how to perform the check If any abnormal is detected by the check go to Procedure 2 Procedure 2 Connector Check and Replacement Check The LAN connector RJ45 is mounted on the system board If the LAN malfunctions the system board or CPU might be faulty Disassemble the computer following the steps described in Chapter 4 and perform the following checks Check 1 The system board may be faulty Replace it with a new one following the instructions in Chapter 4 If the LAN is still not functioning properly perform Check 2 Check 2 The memory may be defective Replace the memory module with a new one following the steps described in Chapter 4 If the problem persist perform Check 3 Check 3 The CPU may be faulty Disassemble the computer following the steps described in Chapter 4 and replace the CPU with a new one 2 20 EQUIUM M40 M45 Satellite M40 M45 Maintenance Manual 2 10 Audio Test 2 Troubleshooting 2 10 Audio Test To check if the computer s Speaker is defective or malfunctioning follow the troubleshooting procedures below as instructed Procedure 1 Test Program Check Procedure 2 Connector Check and Replacement Check Procedure 1 Test Program Check Execute the Audio test available as part of the maintenance test program See Chapter 3 for information on how to perform the test If an error is detected in the
142. the computer 3 Remove the following screw securing the ODD driver M2 5x6 0B Flat BIND screw xl 3 Disconnect an optical disk drive toward the arrow direction from the connector CN25 on the system board Satellite L20 Maintenance 960 001 171 Replacement Procedures Optical disk drive 2 5 x 6 0B FLAT BIND Figure 4 10 Removing an optical disk drive 172 Satellite L20 Maintenance Manual 960 Q01 Replacement Procedures M2 0x3 0 Figure 4 11 Disassembling the ODD bracket Installing an optical disk drive The following describes the procedure for installing an optical disk drive See Figure 4 13 and 4 14 1 Attach the ODD bracket to an optical disk drive and secure it with the following Screws M2 0x3 0 Flat BIND screw x3 2 Insert an optical disk drive assembly into the slot and connect it to the connector CN25 on the system board 3 Secure the ODD drive with the following screw M2 5X6 0 Flat BIND screw XI 4 Turn over the computer and secure an optical disk drive with the following screws Satellite L20 Maintenance 960 001 173 Replacement Procedures M2 5x60B FLAT BIND screw x1 174 Satellite 120 Maintenance Manual 960 Q01 Replacement Procedures 4 10 Display assembly Removing the display assembly The following describes the procedure for removing the display assembly See Figure 4 15 to 4 20 1 Close the display and turn the computer upside d
143. the system board may be faulty Go to Procedure 2 Procedure 2 Test Program Check Insert the diagnostics bootable CD in the computer s CD ROM turn on the computer and run the test See Chapter 3 for information on how to perform the test If an error is detected in the test go to Procedure 3 If no error is detected the display itself is normal Procedure 3 Connector Check and Replacement Check The display unit has an LCD module Fluorescent lamp FL panel close switch and FL inverter board Any of the components or their connections may be defective Disassemble the computer following the steps described in Chapter 4 then perform the following checks 1 Ifthe FL does not light perform Check 1 2 Ifcharacters or graphics are not displayed normally perform Check 5 3 Ifthe FL remains lit when the display is closed the panel close switch may be defective Perform Check 8 Check 1 Make sure the following cables have been firmly connected to the system board and FL inverter board FL inverter board System board CPU HV cable LCD FL cable If any of the cables is loose or off reconnect it firmly and return to Procedure 3 If there is still an error perform Check 2 Check 2 The LCD FL cable may be faulty Replace it with a new one and return to Procedure 3 If there is still an error perform Check 3 2 16 EQUIUM M40 M45 Satellite M40 M45 Maintenance Manual 2 7 Display Check 3 Check 4 Check 5 2 Troublesho
144. uiltiSession Video CD Cd Extra CD CD text Hybrid SACD ee disk DVD VIDEO DVD ROM orma DVD R 3 9GB 4 7GB DVD R DL DVD R 3 9GB Read Only DVD DVD RW Ver 1 1 DVD RAM DVD RAM 2 6GB Read Only DVD R DVD R DL DVD RW Satellite L20 Maintenance Manual 960 Q01 21 Chatper 1 Hardware Overview Table 1 7 DVD Super Multi drive specifications 2 4 Drive Specification Parameter HLDS GSA 4082N ATAKNO DVD R RW ROM 8x 8x 8x max DVD RAM 1 0 2 Ver 2 2 2x 3x 5x DVD Video CSSCompliant Disc 4x max Single Dual layer Read KB s DVD R RW 8 8 DVD R DL4xmax CD R RW ROM 24x 24x 24x max CD DA DAE 20x max DVD R 2x CLV 4x ZCLV 8x CAV DVD R DL2x CLV Data transfer DVD RW 1x 2x CLV 4x ZCLV speed DVD RAM 2x 3x ZCLV 5x PCAV Ver 2 2 DVD R 2 4x CLV 4x ZCLV 8x PCAV DVD R DL2 4x CLV DVD RW 2 4 CLV 4xZCLV CD R 10x CLV 16x 24x ZCLV CD RW 4x 10x CLV High Speed 10x Ultra Speed and Ultra Speed Plus 10x 33 3 Mbytes s max Ultra DMA Mode 2 ATAPI interface 16 6 Mbytes s max DMA MW Mode 2 MB s 16 6 Mbytes s max PIO Mode 4 Access time CD ROM 140 Random ms DVD ROM 160 Random CD ROM CD ROM XA CD I Video CD CD Extra and CD Text Photo CD Single and Multi session CD DA Super Audio CD Compatible layer in Hybrid type CD CD R discs conforming to Orange Book Part 2 CD RW discs conforming to Orange Book Part 3 Supported disk format DVD ROM DVD R
145. uper Multi drive outline dimensions eene 20 DVD Super Multi drive specifications a ecd 21 LED module specifications ERE 27 FL inverter board specifications 2 1 1 eine etn ane enne etna 29 Power supply 30 Battery specifican ons ccelo d etapa te e eec Sede ties 32 Time required for charges of main battery eerie tede 33 Data preservauondlIe 33 Time required for charges of RTC 34 adapter specifications ccc idiota Pa 35 Satellite L20 Maintenance Manual 960 Q01 Chapter 1 Hardware Overview 1 1 Features The Satellite L20 ATI Platform series are 2 spindle PCs running a Intel Celeron M processor The features are listed below 0 Microprocessor Microprocessor that is used will be different of the model it supports Celeron M as follows Intel Celeron M 350 1 30GHz 360 1 40GHz 370 1 50GHz 380 1 60GHz L1 cache 64KB 32KB 32KB L2 cache IMB Front side Bus 400MHz 0 Memory Two DDRII 533 SO DIMM slots Memory modules can be installed to provide a maximum of 2GB Memory modules are available in 256MB 512MB and 1GB sizes For ATI RC410MB SB400 Platform DDRII 533 Module ran at DDRII 400 0 VRAM Shared with System RAM 0 HDD 40GB 60GB 80GB and 100GB internal drives 2 5 inch x 9 5mm height 0 USB FDD Option Satellite L20 Ma
146. ure 2 Diagnostic Test Program Execution Check 58 Procedure 3 Connector Check and Replacement Check 59 20 22 3 HDD Tr ubleshovime Credo oiu een Guide 61 Procedure 1 Partition Check ed ee e See 61 Procedure 2 Message Check ies i HR RI P 62 Procedure 3 Format Check adenine tut 63 Procedure 4 Diagnostic Test Program Execution Check 64 Procedure 5 Connector Check and Replacement Check 65 24 Keyboard LroubleshoOtHlg coo iioi etae erre Ge tecla e ee gs redde ca d 66 Procedure 1 Diagnostic Test Program Execution Check 66 Procedure 2 Connector Check and Replacement Check 67 2 8 Touch pad LroeubleshoQLng eoe e Outed uade aan tet prm a ict een 68 Procedure 1 Diagnostic Test Program Execution Check 68 Procedure 2 Connector Check and Replacement Check 69 Satellite L20 Maintenance Manual 960 Q01 7 0 2 9 2 10 2 11 2 12 2 13 2 14 Display LroubleshoOHng corri ite 70 Procedure 1 External Monitor Click dat 70 Procedure 2 Diagnostic Test Program Execution Check 70 Procedure 3 Connector and Cable C Beck dem oii eat ene cies 71 Procedure 4 Replacement Check tii
147. voltages to the system board The power supply microcontroller has the following functions Judges if the DC power supply AC adapter is connected to the computer Detects DC output and circuit malfunctions Controls the battery icon and DC IN icon Turns the battery charging system on and off and detects a fully charged battery Turns the power supply on and off Provides more accurate detection of a low battery Calculates the remaining battery capacity ORD ie Controls the transmission of the status signal of the main battery Table 1 11 lists the power supply output specifications Table 1 9 Power supply output rating Name Power supply Yes No 30 Satellite L20 Maintenance Manual 960 Q01 Chapter 1 Hardware Overview Voltage Power OFF Power OFF No V Suspend mode Boot mode Battery VCC_CORE CPU VTT CPU 915GM ICH4 M 1 8V CPU 915GM ICH4 M 1 5V 915GM ICH4 M 0 9V DDR2 SDRAM 1 8VSUS RC410MB DDR2 SDRAM 1 5V_S5 SB400 USBPWRO USB USBPWR1 USB USBPWR2 USB AVDD MAX9750 Clock Generator Thermal Sensor Mini PCI SDRAM SPD 915GM SB400 FWH LAN LCD PCMCIA EC LED Audio Codec E Mini PCI HDD ODD TP CRT PCMCIA FAN 3VSUS Card Cont MDC 5VSUS PC Card USB 3V_S5 ICH4 M 3VPCU EC KBC System LED VCCRTC ICH4 M RTC Satellite L20 Maintenance Manual 960 Q01 31 C
148. y 5 U Ee FON Ne 9 a JE EE E al C USC rc Lac ac Ux Ae GH D 25 EE Mer A SN NN C2 5 FEL em Pree umano umm 0 4 M S Sv AS D I umm S T I 4 7 D 4 Sn c p sau 2 1 DK S 1 le n FigureE 5 CZ Keyboard layout E 6 German GR Keyboard fad Gere JE df umi G mnd meme yo 14 SN mm 72 meri eae P uh d mn eee eee ee 4 45 4 7 jail I EEE 302 4 c m ua mar m 5 a d x ga OVO 0 eS fam gt 2 D Pam decem th ON TE 9 PEER 7 KZ Figure E 6 GR Keyboard layout Satellite L20 Maintenance Manual 960 Q01 E 3 Keyboard Layout E 7 Danish DK Keyboard Ces Fe raso VOR kil idi fl DUO ia id il mma Joe 8 d VET

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