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Toshiba S2 Personal Computer User Manual

1. Display Troubl shooting secs a aitu Keyboard asso trip Dani tna uenia 2 15 External USB Devices Troubleshooting 1 444044 2 17 TV Out Failure Troubleshooting tentes ta codon 2 19 Printer Port ne 2 21 TouchPad sO 2 23 Speaker Troubleshogtih dues 2 25 Modem he entente nd de ne 2 27 PCMCIA Troubles home uns nt in nt 2 29 IEEE 1294 2 31 Wireless LAN Troubles Robinet ue ttp aet 2 33 Tecra A3 S2 Maintenance Manual vi Chapter 3 Tests and Diagnostics 3 1 The Diagnostic Tests ne a E UNI S 1 Ex c tine th Diasn stic Test n alae ie 3 3 Config Check n hr a R an le 34A e Moser 3 5 PIO Loopback di c 3 7 Speaker Audio TeSt 3 8 Fan EET 3 9 Main Battery Charge BDI TCS ieu e ee A ARS ne i Ct ALL ccr 212 Keyboard Tests uen aeo A A eae n 3 13 Mouse Pad E AVES 3 14 ECD Pixels Mode estela pe AS MES Res ane ee UNE
2. 4 17 4 21 hlc ten Nan ds asta a nn 4 21 4 25 Display eon 4 26 BE 4 28 Touch e 4 31 M 4 32 System Board Me Me ee at ERE KR ER 4 33 Direct Play b ttom board ana saevo fe eaa reae dee Teva s 4 36 nei ee ce eie eed lee 4 37 Display Mask e 4 38 LCD Mod le E 4 42 FL Inverter Board ose dei n An 4 44 Tecra A3 S2 Series Maintenance Manual 4 iii Figures Figure 4 1 Figure 4 2 Figure 4 3 Figure 4 4 Figure 4 5 Figure 4 6 Figure 4 7 Figure 4 8 Figure 4 9 Figure 4 10 Figure 4 11 Figure 4 12 Figure 4 13 Figure 4 14 Figure 4 15 Figure 4 16 Figure 4 17 Figure 4 18 Figure 4 19 Figure 4 20 Figure 4 21 Figure 4 22 Figure 4 23 Figure 4 24 Figure 4 25 Figure 4 26 4 Replacement Procedures Removing the battery Re nee 4 7 PC Calo e dati CE 4 8 4 9 4 9 Removing the HDD door uoa t da om
3. Figure E 4 JA keyboard TECRA A3 S2 Series Maintenance Manual TELE um Nf 7 3 E 5 Korean KO Keyboard Korean eft Fa Iam VE 80 ve Ab o 4h A cv AM 4 Sy Fog Brest At S C ET Ys EI Te fx 1 lt a E US 4 85 Home We 2 a 10 2 rad Lum 2 au FOU AME er Mid ICE aid _ ST eye CART VT il n Lock 1 li ille AIRI A NBA 3 4 270 7 f i MEL UA Cf gt DT lt gt 2 ie E FAIA 24 TA ANAL J 3 9 Um OC NU gt 8 Z E Ori Fa 3 g a Ins rem H WY DU ab 44 AU 19 Tias gt i 7 Esc F1 F2 F3 F4 F5 F6 F7 F8 F10 Fit F2 PrtSc Pause m 594 cu Bresk 1 E 96 amp Bk Home 1 2 3 4 5 7 8 9 0 n 12 iw 7 J 8 jl 3 iig U On
4. lt 2 A Figure E 13 IT keyboard E 14 CZECH Keyboard Czech fi fe fs fa ffs olf JI frg ri ms Ss ove ajk amp ji eJ T Oma a x 8 L Ak 4 gt FP 3 IE Bb 85 Qn fT 112 81113 4 EN 44 jo ej E 1 CR 7 d m Vl 2 58 D du aie au agi aie ion J ___ __ 7 Y Va Vo Ve Ye Va n e D F 6 stl gat PgDn i lee ALA MA UA JAI UU UU XX TOUS 2 WG JC ve M Cape 7 lt ee lt re gt om gt me C 0 7 09 7 Y B M lt 2 gt 7 2 i 4 Shift Shift 7 gt F AIA YU Jt JU 6 JC o sU Zu 1 hae he x Del 2 t NAA CO E SR If _ 7 Figure E 14 Czech keyboard TECRA A3 S2 Series Maintenance Manual E 9 10 TECRA A3 S2 Series Maintenance Manual Appendix F Series Screw Torque List Table F 1 Series Screw Torque List SCREW P N SCREW
5. IN UR RN 3 1 3 2 Exec tng the Diagnostic Leste tn pereat iet 3 3 23 Conte Check TES AS RER SUL t E 3 7 34 DMI Check Teste ie en ie uode re E nn 3 8 3 5 PIO Loopback Test C 3 9 3 7 Speaker Audi AA A AN 3 11 3 8 DO ON OFF TSS s A TEN 3 12 3 9 Main Battery Charge Test 3 13 SO EDD Vest era 3 14 D RON fe 3 16 22 Keyboard Testis le eue 3 17 3 13 Mo se Pad tc eee et tec en tn A Heres 3 20 3 14 LCD Pixels Mode Testi eh elie ae aes 3 22 ouis Tad S esl d E E aN lias 3 23 IDA LUAM Mert PPP 3 24 SA E tuu eed Perg to attin td eco Bios Een 3 26 EF MEE SON a en tn anna at 3 30 Satellite 80 Series Maintenance Manual 3 iii 3 Tests and Diagnostics 3 iv Tecra A3 S2 Series Maintenance Manual 3 1 The Diagnostic Test 3 Tests and Diagnostics 3 1 The Diagnostic Test This chapter explains how to use the Test amp Diagnostic program to test the functions of the computer s hardware modules The Test amp Diagnostic Program is stored on the T amp D diskettes The program consists of a series of tests that run auto
6. S 7 i 1 3t Ww 4 A 3 Caps A 5 D F G H J K L 4 222 Lock _ o T 1 Wiis erc Al EE osa 2 JM lt gt bd a zs 1 De Alt Ctrl we Del c Figure 5 keyboard 4 TECRA A3 S2 Series Maintenance Manual 6 French FR Keyboard French Hf1 2 Fo xf Pause A SLIP als 41 791 ap D Bannon Break i D B i Ai fA We M 8 y Bk GE it U wr OU M g A su SS PS M S T M ete a 6 NF G TL M ees hid 141 AA 119 U LOO QU VC AU int 200m 3 YOU eee TTY n shit JQ 59 QU A ax JU S Fn lt Ins De 2 IL u 3 a 1v Figure E 6 keyboard TECRA A3 S2 Series Maintenance Manual 5 7 French Canadian Keyboard French_Canadian Ee ay 3f 5 CE S7 la 79 F6 F7 F8 F9 s a 1B Rin Pt Sor T e aloud low
7. h ER Ah ty amp Aty tte At St Ah CL a k Me CCR ss a yen ip a k T T a aV AC 9 US E JT 1 22S 09 09 RIC 0 Va x FELT UE eo 0 if ait N ili LA Ut AA EN ar VU UUs ANT TE UU JV NY ie lt ver Er TEE E J 4 pU Lilt A je 11 amp 4 2 NV NI 1 re L X LM UIS 17 Me ouk X Mu gt X1 4 1 o au A s AMB j 1 Uu vis Q Q yu Uim OC puo sJU JU vi f 7 w DA PA Hu m Fn m ax t ae gt LLL Figure 11 CH T keyboard E 12 Swedish Keyboard Swedish JU S I Es J m un up a fe ar UI c 5 8 E Ex EET EFFI LIFE 2 Sen Ir Figure E 12 Swedish keyboard E 8 TECRA A3 S2 Series Maintenance Manual E 13 ITALIAN Keyboard Italian UT JU 17 5 3080818 87 LIE TE TE TE TE TEE YE TI Ve Por E rd e edi pe EE id E Ane ts
8. PO y i 7 gt gt zu E Fy A 5 D J L 5 FR Maj AA ANAT ANAS CRE NRE RS NT CS 3 TOC FOU dam mnt JHU em ME 7 c Title 2 2 Z X V B N 7 7 JL JL Jt JU JU VU um g W ot gt ig 15 1 fn Ak m At Car ML Jl gt 4 w gt Mi 4 GX LL mie Figure 7 FR C keyboard E 8 Portuguese Keyboard FREE TTIE ne AE AE P E A FIIIT Figure ES Portuguese keyboard ses Cm E 6 TECRA A3 S2 Series Maintenance Manual E 9 US INTERNATIONAL Keyboard US International 7 a ms im AXE X ij a ai a E IP Jd j 9 ATA vil Em Fr Ve A RES CCE E I Enter e d Lock hia ANA 3 7 LACS UU WY OC OU WY Di TUT 3 00 FY
9. 4 10 Removing the HDD Module dpa jester lode epe d tiefe 4 10 Removing the HDD Draekeb ssh eri mt OR 4 11 Removing the optical drive module 4 12 Removing the optical drive bracket 1 iine tret oreet tee praet ios 4 13 Removing the wireless LAN essaient e 4 15 Removing the wireless LAN unit 2 eiecti ere sedate dest sene 4 16 Removing memory module cover sese esee eene enne enne nnne 4 17 Removing memory module mer opa te iae eaa ean eae 4 18 Removing an expansion memory eren enne 4 19 Installing an expansion memory 4 20 REMOVING th Stip COVER tennis e gest 4 21 REMOVING Key DOA s oe d eap e f aue n 4 22 Disconnecting the keyboard Cable isse tuat eta 4 23 Removing Bluetooth ni eintreten Ii ea eate epa Eo UE EM EU YE 4 24 Removing the modem module 4 25 Removing the display assembly SCFOWS 4 26 Removing wireless and LCD cable zu idet ote beso 4 27 Removing screw of botom adopte peii wa e pa ii nn 4 28 Removing NE TOP COVEN s coo sacco Dd Histo pde el ro Gen ees 4 29 Removing BEC CADIS AE nt 4 29 Removing speakers Cable 2 sc os resti ten Ra een 4 30 Tecra 3 82 Series Maintenance Manual
10. 1 GNT1 3 3V GND AD31 WLANME AD29 NC GND AD30 AD27 3 3V AD25 AD28 NC AD26 CBE3 AD24 AD23 MINI_IDSEL GND GND AD21 AD22 AD19 AD20 GND PAR AD17 AD18 CBE2 AD16 TECRA A3 S2 Series Maintenance Manual 12 TECRA A3 S2 Series Maintenance Manual Table C 6 Mini PCI I F pin assignments 124 pin 2 2 61 62 GND IRDY 3 3V PM_CLKRUN PCI_SERR GND PCI 1 AD14 GND AD12 AD10 GND ADO7 3 3V ADO5 NC ADOS 5VS_MINIPCI ADO1 GND NC NC NC NC NC GND NC GND GND NC 5VS_MINIPCI TECRA A3 S2 Series Maintenance Manual FRAME TRDY STOP 3 3V DEVSEL GND AD15 AD13 AD11 GND ADO9 C BEO 3 3V AD04 ADO2 ADOO NC NC NC NC NC NC NC NC 14 TECRA A3 S2 Series Maintenance Manual C 7 JP6 seme mm O coves Pwer s ovocno mas TECRA A3 S2 Series Maintenance Manual C 15 8 29 Sional name NES NC NS s foe UN nno TECRA A3 S2 Series Maintenance Manual C 9 JP12 Table C 9 1 JP12 Fan I F pin assignments 3 pin Signal name VO Pinno Signal Name BH mE a C 10 PJP1 Table C 10 AC Adaptor Connector pin assignments 3 pin Pin no Signal name vO Pin no sianar Name 10 1 DC IN 52 2 DC IN S2 3 GND 4 GND
11. The CD ROM test allows a user to aurally confirm the CD ROM functions NOTE A CD disc including data file must be inserted into the CD ROM drive before this test starts The CD ROM test includes two subtests of the 1 Random read partial sequential read function 2 Sequential read function for all surface Each item can be chosen by manual When each test item finished the CD ROM tray will open Check whether the tray can open automatically NOTE Press Esc key can skip the current subtest The screen should display as below indicating whether the subtests pass or fail when finished CD ROM Drive 2 MSCDEX ver 2 23 Driver name TSYCD1 Vol 8280328 1185 Total 198968 sectors 2352 bytes sector 467953928 bytes Testing CD ROM reset function Partial sequential read Random read Please remove CD Media then close CD tray Press any key to continue 3 16 Tecra A3 S2 Series Maintenance Manual 3 12 Keyboard Test 3 Tests and Diagnostics 3 11 Keyboard Test The keyboard test checks the all keys function NOTE The Num Lock and the Overlay mode must be off to execute the keyboard test Before keyboard test starts the keyboard matrix code should be chosen as below display 1 UK for Europe 2 8 US for America 3 J JP for Japan When you execute this test the keyboard layout is drawn on the display When any key is pressed the corresponding key on the screen changes to blac
12. 6 HDDR M DOSE de en LT cm See sn EE Tecra A3 S2 Maintenance Manual Chapter 4 Replacement Procedures E E ri Le a 4 1 4 2 4 7 PO CARS 4 8 D 4 9 4 5 Op cal Drive Module 4 12 4 62 Optical cc 4 13 4 7 Wireless LANs 4 15 4 8 Expansion E A 4 17 4 9 Keyboard qu mv oss 4 21 Bluetooth ia aiei 4 21 ANI M 4 25 mu e 4 26 AS 4 28 TouchPad 4 31 4 157 ccu 4 32 416 System ne eerte inner 4 33 Aly Drect Play DOR 4 36 ANS Hest 8 CRW os sette eto 4 37 449 Display Maske ea eo A lle te Barer ne ie 4 38 420 CECD En ue ea men cc 4 42 421 Inverter BOSE o oi e eee eS nt ee eee ips 4 44 Tecra A3 S2 Maintenance Manual viii Appendices Appendix Appendix B Appendix C Appendix D Appe
13. NOTE LAN loopback needs to plug in before test begins And LAN information will show on the test screen register Check register check 2 register check 5 PHY IRQ PCI check 4 Check buffer RAM over register access Test Rate Control The LAN test includes three subtests of the 1 Speedl000 including ASIC Loopback Speed 1000 2 Speedl00 including ASIC Loopback speed 100 3 Speed 10 including ASIC Loopback Speed 10 The subtests run automatically 3 26 Tecra A3 S2 Series Maintenance Manual 3 17 LAN Test 3 Tests and Diagnostics The screen should display as below indicating pass will go on to next test Free Hen 1 Uutput n ASIC register check o MAC register check o PHY register check PHY IRQ PCI check o k Check Buffer RAM over register access o k Test Rate Control skipped Fragnent Transfer Check o k Starting Loopback Tests ASIC Loopback Speed 18 Now start for 2 seconds 12693 packets looped by Port A MAC Loopback Speed 18 start for 2 seconds FAIL as below will keep this screen Tecra A3 S2 Series Maintenance Manual 3 27 3 Tests and Diagnostics 3 17 LAN Test 3 28 Tecra A3 S2 Series Maintenance Manual 3 17 3 Tests and Diagnostics ickets looped by Port lug Loopback Speed 18 Link Up Tine occured during Wrap Plug L oopback rol m 49 BE ERROR funi on
14. CD CD Audio CD ROM mode 1 and mode 2 CD ROM XA mode 2 form 1 and form 2 CD I Bridge CD I mode 2 form 1 and form 2 CD TEXT Video CD CD RW Photo CD CD R 1 43 CD RW DVD ROM Drive The CD RW DVD ROM combo drive Toshiba TS L462A Matsushita UJDA760 or TEAC DW 224E is capable of driving either 12cm 4 72 inch or 8cm 3 15 inch DVDs and CDs without using an adaptor Read speeds DVD ROM CD ROM DVD RAM Write speeds CD R CD RW Buffer capacity Supported formats Applicable CD Write Formats Applicable CD Write Disc Applicable CD Read Disc DVD Maximum 8 times faster rotational speed Maximum 24 times faster rotational speed Standard rotational speed Maximum 24 times faster rotational speed Maximum 24 times Ultra Speed faster rotational speed 2 Mbytes Max CD R CD RW CD R CD RW CD DA CD E G CD MIDI CD TEXT CD ROM CD ROM XA MIXED MODE CD CD CD I Bridge Photo CD Video CD Multisession CD Photo CD CD EXTRA Portfolio CD DA CD E G CD MIDI CD TEXT CD ROM CD ROM XA MIXED MODE CD CD I CD I Bridge Photo CD Video CD Multisession CD Photo CD CD EXTRA Portfolio CD R CD RW CD R CD RW DVD ROM DVD 5 DVD 9 DVD 10 DVD 18 DVD R DVD RW DVD R DVD RW DVD RAM Tecra A3 S2 Series Maintenance Manual 1 5 Power Supply 1 Hardware Overview 1 4 4 DVD R RW Drive The DVD R RVW drive Pioneer DVR K15 is capable of driving either 12cm 4 72 inch or 8cm 3 15 inch
15. Im ies M M i hii A MWA VC UU WY A 19 Ur I 2 7 7 x Wis c Alt Fn AR rs Ge gt A 4 Figure E 9 US INTE Keyboard E 10 Greece GR Keyboard German fc fa Yrs F2 Fa 5 iPas N ove 1 3 9 ani Pil LA Sya Rag Break At E i i Pee A 2 2 3 atila iis ile 7 gie giles Bx E 90 00 d ment P au S d TOUR TUUS 48 JC t U U crm SE CSS 4 sf comen em 7 cn gt orme 7 2 aS iig w E T 7 0 0 Poup 9 WA AM t V Q TX WY WC JU Wt UU Quan gt a ae ow fo le 14 1 MF Pa Lock m h 2 j Set renier SF Shift x A p ve UC gt Ok JHI aa Am T 64 D n Figure 10 GR keyboard TECRA A3 S2 Series Maintenance Manual E 7 11 Chinese T Keyboard Chinese T fs LE Le LE m G PrtSc Pause sR B 349
16. 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 type face below Format complete System transferred Tecra A3 S2 Maintenance Manual Table of Contents Chapter 1 Hardware Overview 1 1 1 2 1 3 14 1 5 1 6 Iy in 1 1 System 1 5 TING Ti Disk DANS en nee 1 9 Removable DANS on eo 1 10 Power 1 16 Batteries A ns 1 18 Chapter 2 Troubleshooting Procedures 2 1 2 2 2 3 24 238 2 6 2 7 2 8 2 9 2 10 2 11 2 12 2 13 2 14 Troubleshooting nid een Troubleshooting PIONEER pease ease ae eee Power Supply
17. specifications they may be incompatible with the unit and may burst or explode Heating or disassembling the battery pack could cause leakage of alkaline solution Throwing the battery pack into a fire could cause the battery pack to explode The power supply FL inverter and other components carry high voltages To avoid the risk of electric shock when you need to turn on the power of a partially disassembled computer to check its operation be very careful not to touch connectors or components Also do not disassemble individual components in first level maintenance WARNING To avoid the risk of electric shock or other injury 1 Always turn the power off and disconnect the AC adaptor from the power source 2 Remove any metal jewelry or accessories such as necklaces bracelets or rings Batteries in the computer retain an electrical charge so there is danger of electrical shock even when the computer is disconnected from an AC power source Never work with wet or damp hands The computer contains sharp edges and corners be careful not to injure yourself Make sure that all replacement components meet the specifications for the computer and that all cables and connectors are securely fastened CAUTION To avoid damage to the computer 1 When you change a component be sure the replacement component meets the required specifications Never use foreign parts Metal objects such as screws or paper clips which fall into the unit can
18. 2 Keyboard controller KB910L is use as keyboard controller and battery management unit Audio subsystem Realtek ALC250VD for AC97 codec 9 Support of S PDIF out is fully compliant with AC97 rev2 3 specification 20 bit Stereo Digital to Analog Converters 18 bit Stereo Analog to Digital Converters Built in 7 Bands of Digital Hardware Equalizer for Optimizing Speaker Response Supports double sampling 96KHz of DVD audio playback Two Analog Line level Stereo Inputs with LIN_IN CD and AUX Two Analog Line level Mono Inputs PCBEEP PHONE IN Two software selectable Microphone Inputs High quality differential CD Input Power Management and enhanced power saving features Meets Microsoft WHQL WLP2 0 audio Requirements Tecra A3 S2 Series Maintenance Manual 1 11 1 Hardware Overview 1 2 System Unit 3D positional audio 3D Stereo Enhancement TI PCI7411 Card Bus Host Adapter 2 NYY YY 3 3V operation with 5V Tolerance The PCI7411 controller is availble in the 288 terminal MicroStar BGA package GHK Compliant with PCI Local Bus Specification Revision 2 3 PCI Bus Power Management Interface Specification Revision 1 1 Windows Logo Program 2 0 compliant Intel Mobile Power Guideline 2000 Advanced Configuration and Power Interface ACPI Specification Revision 2 0 PC 98 99 and PC2001 PC Card Standard 8 1 1394 Open Host Controller Interface Specification 1 1
19. Adapte KRUR check that a wrap plug is inst tal led ERROR s found m Tecra 3 82 Series Maintenance Manual 3 29 3 Tests and Diagnostics 3 19 CD Control Button Test 3 17 RTC Test Checks the computer s RTC Real Time Clock and calendar functions by comparing the DOS and CMOS values The test runs automatically The screen should display as below indicating whether the test is passed or failed when finished lease Check the result after test ress any key to continue ait for zero counter Testing DOS TIME 22 33 48 84 8122884 CMOS TIME 22 33 48 8122888 DOS DATE 99 19 2882 CMOS DATE 89 19 2882 DATE amp TIME test PASS 1 Press any key to continue 3 30 Tecra A3 S2 Series Maintenance Manual Chapter 4 Replacement Procedures 4 Replacement Procedures Tecra A3 S2 Series Maintenance Manual 4 Replacement Procedures Chapter 4 Contents 42 43 44 4 5 4 6 47 4 8 4 9 4 10 4 11 4 12 4 13 4 14 4 15 4 16 4 17 4 18 4 19 4 20 421 4 1 4 7 4 8 ADD sais dass 4 9 Optical Drive Modules siens anna td aient 4 12 Optical Drive 4 13 Wireless LAN E M 4 15 Expansion
20. DVDs and CDs without using an adaptor Read speeds DVD ROM Maximum 8 times faster rotational speed CD ROM Maximum 24 times faster rotational speed Write speeds CD R Maximum 24 times faster rotational speed CD RW Maximum 24 times Ultra Speed faster rotational speed DVD R Maximum 8 times faster rotational speed DVD RW Maximum 4 times faster rotational speed DVD R Maximum 8 times faster rotational speed DVD RW Maximum 4 times faster rotational speed DVD R DL Maximum 2 4 times faster rotational speed Buffer capacity 2 Mbytes Max Supported formats Applicable CD CDR Write Formats DVD RW DVD R DVD RW DVD R DL Applicable CD CDR Write Disc CD RW CD DA CD E G CD MIDI CD TEXT CD ROM CD ROM XA MIXED MODE CD CD CD I Bridge Photo CD Video CD Multisession CD Photo CD CD EXTRA Portfolio Applicable CD CD DA CD E G CD MIDI CD TEXT CD ROM CD ROM XA MIXED Read Disc MODE CD CD I CD I Bridge Photo CD Video CD Multisession CD Photo CD CD EXTRA Portfolio CD R CD RW CD R CD RW DVD DVD ROM DVD 5 DVD 9 DVD 10 DVD 18 DVD R DVD RW DVD R DVD RW 1 4 5 DVD Super Multi Drive The DVD Super Multi Drive Toshiba TS L632A Matsushita UJ 830B UJ 831B or TEAC DV 28 is capable of driving either 12cm 4 72 inch 8cm 3 15 inch DVDs and CDs without using an adaptor Read speeds DVD ROM Maximum 8 times faster rotational speed CD ROM Maximum 24 times faster rotational speed Tecr
21. Equipment The use of Electrostatic Discharge ESD equipment is very important for your safety and the safety of those around you Proper use of these devices will increase the success rate of your repairs and lower the cost for damaged or destroyed parts The following equipment is necessary to disassemble and reassemble the computer 4 6 One M2 Phillips screwdriver to remove and replace screws One T5 security screwdriver Tweezers to lift out screws that you cannot grasp with your fingers ESD mats for the floor and the table you are working on ESD wrist strap or heel grounder Antr static carpeting or flooring Air ionizers in highly static sensitive areas Tecra A3 S2 Series Maintenance Manual 4 Replacement Procedures 4 2 Battery Removing the Battery Pack To remove the battery pack from the battery bay follow the steps below 1 Turn the computer upside down 2 Disengage the battery pack lock 1 3 Release the battery pack release latch 2 4 Remove the battery pack from the bay 3 Figure 4 1 Removing the battery pack NOTE For environmental reasons do not throw away a spent battery pack Please return spent battery packs to Toshiba Tecra A3 S2 Series Maintenance Manual 4 7 4 Replacement Procedures Installing the Battery Pack To install the battery pack in the battery bay follow the steps below and refer to the figure in the preceding section WARNING The battery is a
22. Keyboard EN JP arriere TEEF FEEN a NWA 300 9 III le a Esc od ao v oe _ x amp 1 2 4 5 6 7 8 8 0 7 Q w E R T Y U 0 i P ad aal 4 ofA 8 K t j 1 2 lt gt Shift 2 X V B N M gt Shift End De H At Fn m t Figure E 2 UK keyboard E 2 TECRA A3 S2 Series Maintenance Manual E 3 Spanish SP Keyboard E L F E v Jt Ee BJ eji3 ACA Ide rd FEEL PERTE Figure E 3 SP keyboard E 4 Japanese JA Keyboard Japanese SERRE OISE AE EEE dd Lee eem PE 5 36 E 22 VA m S KA gt 22 O I 3i CE
23. Manual Table B 1 System board ICs top bottom me Mme SOS Ceo on Uum a 2 TZ TECRA A3 S2 Series Maintenance Manual B 3 Table B 2 System board connectors top and bottom JP1 JP7 JP8 JP12 JP13 JP14 JP15 JP32 JP16 JP18 JP19 JP20 JP21 JP22 JP23 JP24 JP25 JP28 JP29 JP30 JP31 PJP1 PJP2 B 4 TECRA A3 S2 Series Maintenance Manual Appendix Pin Assignments System Board C 1 JP24 JP25 Table C 1 SODIMM I F pin assignments 200 PIN 1 4 enne sional name vo sianar name 0 1 O TECRA A3 S2 Series Maintenance Manual 2 Table 1 SODIMM I F pin assignments 200 2 4 51 VSS 52 VSS DQ19 DQ24 2 5VDD DQ25 DQS3 VSS DQ26 DQ27 2 5VDD CBO CB1 VSS DQS8 CB2 2 5VDD CB3 DU VSS CK2 CK2 2 5VDD CKE1 DU A13 12 9 VSS A7 A5 A3 Al DQ23 DQ28 2 5VDD DQ29 DM3 VSS DQ30 0031 2 5VDD CB4 CB5 VSS DM8 CB6 2 5VDD CB7 DU RESET VSS VSS 2 5VDD 2 5VDD CKEO DU BA2 11 8 A6 A4 A2 TECRA A3 S2 Series Maintenance Manual Table 1 SODIMM I F pin assignments 200 PIN 3 4 one vo Penn A10 AP BAO WE SO DU VSS DQ32 DQ33 2 5VDD DQS4 DQ34 VSS DQ35 DQ40 2 5VDD DQ41 DQS5 VSS DQ42 DQ43 2 5VDD 2 5VDD VSS VSS DQ4
24. SPEC Q ty LOCATION SCREW TORQUE LCD ASSY LCD BRACKET ASSY MMCK25050Z0 2 5 5 4 B L TO COVER SUB 2 5 3 0kg ASSY MMCK20030Z0 M2 0 3 EX a TO RCE PANEL 2 0 2 5kg INVERTER TO COVER 7 2003020 2 0 3 2 0 2 5kg 2003020 M2 0 3 LCD CABLE TO COVER 2 0 2 5kg MB ASSY 000000100 2 0 4 PCMCIA TO MB 1 5 2 0kg 000000100 M2 0 4 BATT CONN TO MB 1 5 2 0kg i MB TO CD ROM R MM000000100 M2 0 4 CONN FIX BAY 1 5 2 0kg HDD ASSY M2 5 3 6 SPECIAL 000000200 SCREW HDD BRACKET TO HDD LOG UPPER SUB ASSY HINGE SADDLE R TO 2505070 M2 5 5 TOP SHIELD BATT TO LOG UP LOG UPPER ASSY TECRA AS3 S2 Series Maintenance Manual LOGIC ASSY LOG LOW TO HINGE 2508070 M2 5 8 1 LL TO EE SHEED TOME 1 2 1 5kg TO LU LL TO LL SHIELD MB 2508040 M2 5 8 1 STANDOFF TO HINGE 1 2 1 5kg SADDLE TO LU LL TO LL SHIELD 2 LL TO LL SHIELD HINGE LL TO LL HDD SHIELD x LL TO LCD SADDLE TO LCD SADDLE TO LU TO LOG UP TO VGA BOARD TO VGA BOARD MMCK25140Z0 M2 5K 5 5 0 8 2 STANDOFF TO MB LOG LOW 2514070 2 5 5 5 0 8 2 LOW VGA THERMAL SINK TO 2505070 M2 5 5 VGA BOARD 2 5 3 0kg LOG UP TO VGA BOARD 2505070 M2 5 5 1 TO VGA BOARD 2 5 3 0kg STANDOFF LOG LOW TO LOG LOW 2505070 M2 5 5 1 SHIELD TO HINGE 2 5 3 0kg SADDLE R 2505070 M2 5 5 LL TO FIX BAT BRK 2 5 3 0kg 2505070 M2 5 5 LL TO MB TO LU 2 5 3 0kg LOG LOW TO L
25. TECRA A3 S2 Series Maintenance Manual 11 21 Table C 11 Microphone I F pin assignments 6 pin Signal name Signal BIAS ANGND C 12 JP22 Table C 12 Headphone Connector pin assignments 6 pin rne Siomai name vo Pie Signal name vo 2 INTSPK_L1 INTSPK_R1 4 NBA_PLUG ANGND 6 NC C 16 TECRA A3 S2 Series Maintenance Manual Appendix D Keyboard Scan Character Codes Table D 1 Scan codes set 1 and set 2 1 4 eytop ware Break wake AQ FO OE FO 16 FO 1E FO 26 FO 25 FO 2E FO 36 FO 3D FO 3E FO 46 FO 45 FO 4E FO 55 FO 66 FO oD FO 15 FO 1D FO 24 FO 2D FO 2C FO 35 FO 3C FO 43 FO 44 FO 4D FO 54 FO 5B lt TECRA A3 S2 Series Maintenance Manual D 2 Cap No Table Caps Lock A TA cra 09 Enter Shift L No 102 key D 1 Scan codes set 1 and set 2 2 4 nae TECRA A3 S2 Series Maintenance Manual Table D 1 Scan codes set 1 and set 2 3 4 mae me Ctrl L Alt L Space ALT R Ctrl R Ins Del 22 22 22 TECRA A3 S2 Series Maintenance Manual D 3 D 4 Notes One Up E Table D 1 Scan codes set 1 and set 2 4 4 me mie F11 F12 PrintSc Pause Fn Win Scan codes differ by mode Scan codes differ by overlay function Combinati
26. TFT screen with a resolution of 1400 horizontal x1050 vertical pixels SXGA One optional 25 pins parallel port BTO One 15 pins CRT port supports DDC 2B One 9 pins serial port BTO One S video connector One MIC In port One Headphone Out One 2 pins AC adapter jack One type II PCMCIA card bus slot Three 4 pins USB 2 0 ports One 4 pins USB 2 0 port BTO One RJ11 RJ45 Port VR for volume control One optional IEEE 1394 port FIR One optional 6 in 1 port support SD MMC SM MS MS Pro xD Tecra A3 S2 Series Maintenance Manual 1 7 1 Hardware Overview 1 2 System Unit 4 PCMCIA Card Organization Accommodate one type II device for TECRA A3 or two type II devices one type III device for TECRA 52 SRAM OTPROM FLASH ROM mask ROM memory card up to 64MB MODEM LAN card Card bus card ACPI 1 0 Compliant Full ACPI 1 0B supported LCD Auto DIM mode by time out Multiple Digital Media Card Supports SD MMC SM MS MS Pro xD card SD memory capacity support from 8MB to 512MB MMC memory capacity support from 8MB to 256MB SM memory capacity support from 4MB to 128 MB MS memory capacity support from 8MB to 256MB MS Pro memory capacity support from 256MB to IGB xD memory capacity support from 4MB to 512MB gt YY yy 5 I 39 YY YY Universal Serial Bus USB The computer comes with three USB ports that comply with Universal Host Controller Interface UHCI The USB enables daisy chain connection of up to 127 USB equipped device
27. Toshiba can cause the computer to malfunction Make sure all optional equipment is removed from the computer 2 Make sure the floppy disk drive if installed is empty If no FDD module is installed you should use an external FDD to run the diagnostics tests 2 2 Tecra A3 S2 Series Maintenance Manual 2 3 Power Supply Troubleshooting 2 Troubleshooting Procedures Perform the Power Supply Troubleshooting procedures in section 2 3 Perform the Power Supply Troubleshooting procedures in section 2 3 Perform the Power Supply Troubleshooting procedures in section 2 3 Perform the Display Troubleshooting procedures in section 2 4 If the password message displays type the password then press Enter Is Toshiba Windows being loaded Figure 2 1 Troubleshooting flowchart 1 2 Tecra A3 S2 Series Maintenance Manual 2 3 2 Troubleshooting Procedures Does typed characters appear correctly Insert the diagnostics disk into the FDD Then run the diagnostics test program Allow each test to perform automaticall Is an error detected by any of the diagnostics tests No System is normal 2 3 Power Supply Troubleshooting Perform the Keyboard Troubleshooting procedures in section 2 6 Perform the FDD Troubleshooting procedures in section 2 5 After confirming which diagnostics test has detected an error perform the appropriate procedure as outlined below Figure 2
28. a USB keyboard to one of the computer s USB ports then boot the computer The computer automatically detects the external keyboard If the external keyboard works correctly the internal keyboard or its connections may be faulty Go to Procedure 2 If the external keyboard appears to have the same problem as the internal keyboard the system board may be damaged Replace it with a new one following the instructions in Chapter 4 Procedure 2 Diagnostic check Run the Diagnostic Program which will automatically execute the Keyboard Test Refer to Chapter 3 Tests and Diagnostics for more information on how to run the program If an error is located go to Procedure 3 If an error does not occur the keyboard is functioning properly Procedure 3 Connector and replacement check The keyboard and or system board may be disconnected or damaged Disassemble the computer following the steps described in Chapter 4 Replacement Procedures and perform the following checks Check 1 sure the keyboard cable is firmly connected to the system board If the connection is loose reconnect firmly and repeat Procedure 2 If there is still an error go to Check 2 Check 2 keyboard may be damaged Replace it with a new one following the instructions in Chapter 4 If the problem still exists perform Check 3 Check 3 The system board may be damaged Replace it with a new one following the instructions in Chapter 4 2 16 Tecra A3 S2 Series Ma
29. be replaced If the replacement printer does not work either or the original printer functions normally on a different computer go to Procedure 3 Procedure3 Replace system board The system board may be damaged Replace it with a new one following the instructions in Chapter 4 2 22 Tecra A3 S2 Series Maintenance Manual 2 9 Touch Troubleshooting 2 Troubleshooting Procedures 2 9 TouchPad Troubleshooting START TouchPad connection check Procedure 1 TouchPad replacement check Procedure 2 Replace system board Figure 2 8 TouchPad troubleshooting process Tecra A3 S2 Series Maintenance Manual 2 23 2 Troubleshooting Procedures 2 9 TouchPad Troubleshooting To determine if the computer s built in TouchPad is functioning properly perform the following procedures Figure 2 9 outlines the process Start with Procedure and continue as instructed Procedure 1 TouchPad connection check Procedure 2 TouchPad replacement check Procedure 1 TouchPad connection check The TouchPad is connected via the TouchPad FPC to the system board Make sure the TouchPad FPC cable is firmly connected to the TouchPad and system board Refer to Chapter 4 Replacement Procedures for instructions on how to disassemble the computer and then perform the following checks If any of the connections are loose reconnect firmly If any of the connections is damaged or there is still an error go to Procedure 2 Procedure 2 TouchPa
30. board of the computer If the malfunction remains the system board may be damaged Go to Procedure 2 Check 4 Connect an alternative USB device to one of the computer s USB ports and then boot the computer The computer automatically detects the external device If the alternative USB device works correctly the original device may be damaged and should be replaced If the alternative USB device appears to have the same problem as the original device the system board may be damaged Go to Procedure 2 Procedure 2 Replace system board If the error persists the system board may be damaged Replace it with a new one following the instructions in Chapter 4 2 18 Tecra A3 S2 Series Maintenance Manual 2 7 TV Out Failure Troubleshooting 2 Troubleshooting Procedures 2 7 TV Out Failure Troubleshooting START Perform TV connection check Procedure 1 Does replacement TV cable function proncdy No Replace TV cable Perform TV set check Procedure 2 Use different TV No set Replace system board Figure 2 6 TV out troubleshooting process Tecra A3 S2 Series Maintenance Manual 2 19 2 Troubleshooting Procedures 2 7 TV Out Failure Troubleshooting To determine if the computer s TV out port is functioning properly perform the following procedures Figure 2 7 outlines the process Start with Procedure and continue as instructed Procedure 1 TV connection check Procedure 2 TV set check Proce
31. cause a short circuit fire or other internal damage When assembling the computer make sure you use the correct screws to secure the various pieces in place Screw sizes are listed in their corresponding figure Make sure all screws are securely fastened Loose screws can cause short circuits resulting in heat smoke or fire Before removing an FRU or other component make sure all cables to the component have been disconnected If you use AC power be sure to use the cable that came with the computer or one recommended by Toshiba Tecra A3 S2 Series Maintenance Manual 4 3 4 Replacement Procedures Before You Begin Look over the procedures in this section before you begin disassembling the computer Familiarize yourself with the disassembly and reassembly steps Begin each procedure by removing the AC adaptor and the battery pack as instructed in section 4 2 1 Do not disassemble the computer unless it is operating abnormally 2 Use only the correct and approved tools 3 sure the working environment is free from the following elements whether you are using or storing the computer 2 Dust and contaminates Static electricity 4 Extreme heat cold and humidity 4 Make sure the FRU you are replacing is causing the abnormal operation by performing the necessary troubleshooting and diagnostics tests described in chapters 2 and 3 of this manual 5 Do not perform any operations that are not necessary and use only th
32. lithium ion battery and can explode if not properly replaced used handled or disposed of Use only batteries recommended by Toshiba as replacements 1 Slide the battery pack into the battery bay The battery bay latch will click automatically 2 Lock the battery pack lock and battery pack release latch to secure the installation 4 3 PC Card Removing a PC Card To remove a PC Card follow the steps below Push the PC Card s eject button The button pops out when you release it 2 Push the eject button once more to pop the PC Card out slightly 3 Grasp the PC Card and remove it 4 Pushthe eject button back into place if necessary 4 8 Tecra A3 S2 Series Maintenance Manual 4 Replacement Procedures Figure 4 2 Removing a PC Card Tecra A3 S2 Series Maintenance Manual 4 9 4 Replacement Procedures Installing a PC Card To install a PC Card follow the steps below and refer to the figures in the preceding section 1 Make sure the eject button does not stick out 2 Insert a PC Card and press gently to ensure a firm connection Ss CA SES 52552526 ET gt Figure 4 3 Installing a PC Card 44 HDD NOTE When handling the HDD do not press the top surface as shown by the arrow Hold it by the sides Figure 4 4 HDD 4 10 Tecra A3 S2 Series Maintenance Manual 4 Replacement Procedures Removing the HDD Module Follow the steps below to remove HDD module 1 Turn the computer upsi
33. screws securing the system board to the printer port pr rt LM Ceres Figure 4 31 Removing the system board 2 Remove two 4 75 x 9 6 NI hexagonal screws securing the system board to the CRT port 3 Remove three screws securing the Fan and then detach the Fan from its connector 4 Remove the system board Tecra A3 S2 Series Maintenance Manual 4 35 4 Replacement Procedures Installing the System Board To install the system board follow the steps below and refer to the figures in the preceding section 1 Seat the system board in the chassis 2 Connect Fan to the Fan connector and then secure it with three screws 3 Secure the system board to the CRT port with two 4 75x 9 6 NI hexagonal screws 4 Secure the system board to the printer port with two 4 75x 9 6 NI hexagonal screws 4 17 Direct Play Button Board Removing the Direct Play Button Board To remove the Direct Play Button board first remove the Keyboard then follow the steps below 1 Remove two M2 5x 3 screws and FFC from top cover Figure 4 32 Removing the Direct Play Button board 4 36 Tecra A3 S2 Series Maintenance Manual 4 Replacement Procedures Installing the Direct Play Button Board To install the Direct Play Button board follow the steps below and refer to the figures in the preceding section 1 Secure two M2 5x 3 screws and FFC from top cover 4 18 Fan Heat Sink amp CPU Removing the Fan Heat Sink amp CPU To remov
34. the computer The diagnostics diskette contains the MS DOS boot files And then follow the instructions to swap with the diagnostics diskette 2 for T amp D program installed in RAM driver NOTE To execute the CD test make sure the CD is installed in the CD DVD ROM drive The T amp D Program can run by single test item when you press corresponsive English letter of test item or run two or more test items what you like if you choose them by Arrow cursors and Space Bar the wonderful thing is you can setup test loop by Enter button And it also asks you if you like to copy test log file to diskette as reference at the end of test s The test list is as the following CONFIG CHECK TEST DMI CHECK TEST PIO LOOPBACK TEST RTC TEST LAN TEST SPEAKER AUDIO TEST FAN ON OFF TEST MAIN BATTERY CHARGE TEST FDD TEST CD ROM TEST KEYBOARD TEST MOUSE PAD TEST LOD PIXELS MODE TEST LID SWITCH TEST HDD R W TEST D1 STEPPING TEST gt Tecra A3 S2 Series Maintenance Manual 3 3 3 Tests and Diagnostics 3 2 Executing the Diagnostic Test The below display will show up at the beginning of T amp D program Skahir CERT1H 28 DOS MODE F T T amp D DISKETTE MENU U1 6 2484 12 15 M LCD PIXELS MODE TEST N LID SWITCH TEST Q HDD RAW TEST CHECK TEST G PIO LOOPBACK TEST D RTC TEST E LAN TEST F SPERKER AUDIO TEST G FAN ON OFF TEST H MAIN BATTERY CHARGE TEST T
35. the computer The computer automatically detects the external display If the external display works correctly the internal LCD may be damaged Go to Procedure 3 If the external monitor appears to have the same problem as the internal monitor the system board may be damaged Go to Procedure 2 Procedure 2 Diagnostic check The Display Test program is stored on the computer s Diagnostics disk This program checks the display controller on the system board Insert the Diagnostics disk in the computer s floppy disk drive turn on the computer and run the test Refer to Chapter 3 Tests and Diagnostics for details If an error is detected go to Procedure 3 If an error is not detected the display is functioning properly Tecra A3 S2 Series Maintenance Manual 2 13 2 Troubleshooting Procedures 2 4 Display Troubleshooting Procedure 3 Connector and replacement check The FL inverter board LCD module and system board are connected to the display circuits Any of these components may be damaged Refer to Chapter 4 Replacement Procedures for instructions on how to disassemble the computer and then perform the following checks Check 1 Check 2 Check 3 Check 4 Check 5 Check 6 2 14 Make sure the DDR RAM module is seated properly Test display again If the problem still exits replace the DDR RAM module If the problem still exists perform Check 2 Replace the FL inverter board with a new one and test display agai
36. the steps below Remove the Modem cover Refer Figure 4 12 Remove two black M2 5x3 screws securing the modem module Carefully lift the unit off its connector Disconnect the modem cable from the modem module RAD ee Figure 4 20 Removing the modem module Tecra A3 S2 Series Maintenance Manual 4 27 4 Replacement Procedures Installing the Modem To install a modem follow the steps below and refer to the figures in the preceding section 1 Connect the modem cable to the modem module 2 Fit the modem into its connector and secure it with two black M2 5x3 screws 3 Sheet the modem cover and secure with one M2 5x 5 screw 4 12 Display Assembly Removing the Display Assembly To remove the display assembly first remove the keyboard and wireless LAN then follow the steps below 1 Remove two black M2 5x8 screws from the back side of the computer Figure 4 21 Removing the display assembly screws 2 Pull the strip cover 3 Disconnect the wireless cable 1 from system 4 Disconnect the LCD cable 2 from system 5 Disconnect the Bluetooth cable 6 Remove two M2 5x8 black screws securing LCD hinge 4 28 Tecra A3 S2 Series Maintenance Manual 7 4 Replacement Procedures Figure 4 22 Removing the wireless and LCD cables Lift the display assembly from the computer s chassis Installing the Display Assembly To install the display assembly follow the steps below and refer to the figures in the p
37. then it will check if it s necessary to leave this program Program will quit when key pressed and it will go back main menu for next test if N key pressed Skahir CEAT18 26 DOS MODE F T T amp D DISKETTE MENU 01 2884 12715 gt CONFIG CHECK TEST DHI CHECK TEST LOOPBAGK TEST RIC TEST LAN TEST F SPERKER AUDIO TEST G FAN ON OFF TEST MAIN BATTERY CHARGE TEST FDD TEST CD ROM TEST KEYBOARD TEST MOUSE TEST M LCD PIXELS MODE TEST N LID SWITCH TEST O HDD RW TEST P N A Q N A mu uM ULNA N A K_COPY LOG TO FDD ME 2 ee dnd A X Unit Item Test Space Change Option Cursor Enter Set Loop Count Press Ese To Quit NOTE Press Pause to pause a test and Enter to resume 3 6 Tecra A3 S2 Series Maintenance Manual 3 3 Parallel Port Test 3 Tests and Diagnostics 3 3 Config Check Test The config check test checks unit configuration It includes 2 type 2 System memory size 2 ODD type HDD type amp capacity 2 BIOS version This test needs input unit Part Number by manual to make comparison with known SKU data NOTE To execute this test you must input unit Part Number as Uppercase Character Then it will show its configuration is correct in green color or fai
38. 1 Troubleshooting flowchart 2 2 2 4 Tecra A3 S2 Series Maintenance Manual 2 3 Power Supply Troubleshooting 2 Troubleshooting Procedures If the diagnostics program cannot detect an error the problem may be intermittent The test program should be executed several times to isolate the problem When a problem has been located perform the appropriate troubleshooting procedures as follows 1 If an error is detected by the battery test perform the Power Supply Troubleshooting procedures in Section 2 3 If an error is detected by the display test perform the Display Troubleshooting procedures in Section 2 4 If an error is detected by the keyboard test perform the Keyboard Troubleshooting procedures in Section 2 5 If an error is detected by the printer parallel port test perform the Printer Port Troubleshooting procedures in Section 2 8 If an error is detected by the TouchPad test perform the TouchPad Troubleshooting procedures in Section 2 9 If an error is detected by the audio test perform the Speaker Troubleshooting procedures in Section 2 10 and the Optical Drive Troubleshooting Procedures in Section 2 12 If an error is detected by the modem test perform the Modem Troubleshooting Procedures in Section 2 12 Tecra A3 S2 Series Maintenance Manual 2 5 2 6 2 Troubleshooting Procedures 2 3 Power Supply Troubleshooting Other problems that are not covered by the diagnostics program may be discovered by a use
39. 3 2 5 inch Hard Disk Drive 1 3 2 5 inch Hard Disk Drive The internal HDD is a random access non volatile storage device It has a nonremovable 2 5 inch magnetic disk and mini Winchester type magnetic heads The computer supports a 30 40 60 80 100 120GB HDD 1 14 Tecra A3 S2 Series Maintenance Manual 1 4 Removable Drives 1 Hardware Overview 1 4 Optical Devices module The module compartments can accommodate the following removable modules DVD ROM drive CD RW DVD ROM drive DVD R RW drive DVD Super Multi drive CD ROM driver 1 4 1 DVD ROM Drive The DVD ROM drive Toshiba S D C2712 accommodates either 12cm 4 72 inch or 8cm 3 15 inch CDs or DVDs Transfer rates DVD ROM Maximum 8 times faster rotational speed CD ROM Maximum 24 times faster rotational speed Buffer capacity 256 Kbytes Max Supported formats CD CD Audio CD ROM mode 1 and mode 2 CD ROM XA mode 2 form 1 and form 2 CD I Bridge CD I mode 2 form 1 and form 2 CD TEXT Video CD CD RW Photo CD CD E G CD MIDI CD R DVD DVD 5 DVD 9 DVD 10 DVD 18 DVD RAM Ver 2 1 DVD R Ver 1 0 2 1 DVD RW 1 0 1 1 1 4 2 CD ROM Drive The CD ROM drive TEAC CD 224E accommodates either 12cm 4 72 inch or 3 15 inch CDs Transfer rates CD ROM Maximum 24 times faster rotational speed Buffer capacity 128 Kbytes Max Tecra A3 S2 Series Maintenance Manual 1 15 1 Hardware Overview 1 4 Removable Drives Supported formats
40. 3 S2 Series Maintenance Manual 2 21 2 Troubleshooting Procedures 2 8 Printer Port Troubleshooting To determine if the computer s printer parallel port is functioning properly perform the following procedures Figure 2 8 outlines the process Start with Procedure 1 and continue as instructed Procedure 1 Diagnostic check Procedure 2 Printer port loopback check Procedure 3 Replace system board Procedure 1 Diagnostic check Attach the printer port loopback connector firmly to the printer port and run the Diagnostic Program See Chapter 3 for details If the printer port test passes there may be a problem with the printer Go to Procedure 2 If the printer port test fails go to Procedure 3 Procedure 2 Printer port loopback check The printer may be faulty or not connected properly Perform Check 1 Check 1 sure printer cable is firmly plugged into both the printer and the printer port of the computer If the cable is connected correctly go to Check 2 Check 2 sure the printer port is firmly secured to the system board of the computer If the malfunction remains go to Check 3 Check3 printer cable may be damaged Replace with a good cable If the malfunction remains go to Check 4 Check 4 printer may be faulty Replace it with a good printer or connect it to a different computer If the replacement printer works or the original printer does not work on a different computer the printer should
41. 4 Replacement Procedures Figure 4 27 Figure 4 28 Figure 4 29 Figure 4 30 Figure 4 31 Figure 4 32 Figure 4 33 Figure 4 34 Figure 4 35 Figure 4 36 Figure 4 37 Figure 4 38 Figure 4 39 Removing the touch pad board iraniens 4 3 tlie speakers oe eee enda dernier todas ISI 4 32 Removing te LAN board ed hoe elati 4 33 Removing the USB board e eoe dide e pue de 4 34 Removing the System board chis oed fe t d e i ed 4 35 Removing the Direct Play Button board 4 36 Removing the fan module 4 37 Removing heat an tential emote ead iether am 4 38 Removing the CPU ted e eto gaat retin lat 4 38 Removing the display nice p ne Ne 4 40 Removing the LCD module uiuit ne 4 42 Removing LCD M dul 2 essuie dt 4 43 Removing FL inverter board 4 44 Tecra A3 S2 Series Maintenance Manual 4 4 Replacement Procedures 4 1 General This chapter explains how to disassemble the computer and replace Field Replaceable Units FRUs It may not be necessary to remove all the FRUs in order to replace one The chart below is a guide to which FRUs need to be removed in order to remove others Always start by removing the battery pack next optional items such as the optional PC Card then follow the ch
42. 8 DQ49 2 5VDD DQS6 DQ50 VSS DQ51 DQ56 2 5VDD TECRA A3 S2 Series Maintenance Manual C 3 4 Table 1 SODIMM I F pin assignments 200 PIN 4 4 prune T siomai rane T sranane ve DQ57 DQS7 VSS DQ58 DQ59 2 5VDD SDA SCL 3 3VDD_SPD VDD_ID TECRA A3 S2 Series Maintenance Manual 2 1 Table C 2 RGB 1 F pin assignments 15 pin manne 10 Duo CRT_R CRT_B GND GND CRT_VCC NC DACA HSYNC DDC CLK TECRA A3 S2 Series Maintenance Manual CRT G NC GND GND GND DDC DATA DACA VSYNC C 5 C 3 C 6 JP18 Pin No 44 Table C 3 HDD 1 F pin assignments 44 pin 43 GND PIDE RST PDD7 PDD6 PDD5 PDD4 PDD3 PDD2 PDD1 PDDO GND PDDREQ PDIOW PDIOR PDIORDY PDDACK IRQ14 PDA1 PDAO PDCS1 PHDD_LED 5VS GND TECRA A3 S2 Series Maintenance Manual 1 Table C 4 ODD I F pin assignments 50 pin 19 one Dio INT_CD_L CD_AGND SIDE_RST SDD7 SDD6 SDD5 SDD4 SDD3 SDD2 SDD1 SDDO GND SDIOW SIORDY IRQ15 SDA1 SDAO SDCS1 SHDD_LED 5VCD 5VCD GND GND GND NC TECRA A3 S2 Series Maintenance Manual INT_CD_R GND SDD8 SDD9 SDD10 SDD11 SDD12 SDD13 SDD14 SDD15 SDDREQ SDIOR GND SDDACK NC 5VCD SDA2 SDCS3 5VCD 5VCD 5VCD GND GND GND NC C 7 5 19 Table 5 PC Card I F pin ass
43. C Modem Bluetooth modem DuakBand build in Antenna for Wireless LAN Communication Tecra A3 S2 Series Maintenance Manual 1 2 System Unit 1 Hardware Overview Keyboard An easy to use 87 key keyboard provides a numeric keypad overlay for fast numeric data entry or for cursor and page control It supports software that uses a 101 or 102 key enhanced keyboard Includes one Windows key and one Application key TouchPad This pointing control device located in the center of the keyboard palm rest provides convenient control of the cursor without requiring desk space for a mouse The TouchPad incorporates two mouse buttons Two buttons below the TouchPad are used like the buttons on a mouse pointer Press the left button to select a menu item or to manipulate text or graphics designated by the pointer Press the right button to display a menu or other function depending on the software you are using Display Ports 9 15 0 screen with a resolution of 1600 horizontal 1200 vertical pixels UXGA 15 0 TFT screen with a resolution of 1400 horizontal x1050 vertical pixels SXGA 15 0 TFT screen with a resolution of 1024 horizontal x768 vertical pixels XGA 15 0 TFT screen with a resolution of 1024 horizontal x768 vertical pixels XGA CSV 15 0 TFT screen with a resolution of 1024 horizontal x768 vertical pixels XGA HCSV 14 1 TFT screen with a resolution of 1024 horizontal x768 vertical pixels XGA 14 1
44. CPU 5 Press the CPU softly with your fingers and turn the cam on the CPU socket to the closed position with a flat blade screwdriver to secure the CPU 6 Seat the heat sink over the CPU and secure with the four embedded screws in the order indicated on the heat sink 7 Seat the fan module 8 Attach the fan connectors to the system board 9 Secure the fan module to the topside of the system board with three M2 5x5 screws Tecra A3 S2 Series Maintenance Manual 4 39 4 Replacement Procedures 4 19 Display Mask Removing the Display Mask To remove the display mask first remove the display assembly as described earlier then follow the steps below 1 Remove two black M2 5x5 screws on the upper corner 2 Remove the mask seals by unsnapping the display mask along the two sides and the bottom edge to remove display Figure 4 36 Removing the display mask 4 40 Tecra A3 S2 Series Maintenance Manual 4 Replacement Procedures Installing the Display Mask To install the display mask follow the steps below and refer to the figures in the preceding section 1 Seat the display mask and secure the snaps on each side 2 Secure the display mask with two M2 5x5 screws Tecra A3 S2 Series Maintenance Manual 4 41 4 Replacement Procedures 4 20 LCD Module Removing the LCD Module To remove the LCD module first remove the display assembly and display mask then follow the steps below 1 Remove two M2 5x5 black scr
45. ECRA A3 S2 Series Maintenance Manual D 7 Table D 7 No 126 key scan code D 8 Pause Common E1 1D 45 E1 9D 14 77 14 FO 77 Ctrl 46 EO C6 7E EO FO This key generates only make codes TECRA A3 S2 Series Maintenance Manual Appendix Key Layout E 1 United States US Keyboard US E F1 F2 F3 F4 F5 F6 F7 F9 F10 ri F12 a m Ove c aO o 4o oe 8 a Sys Breet 1 E 1 t Ws Vie fa Wee Whe Wh Wwe 77 Bk s 7 lle ils Il tob 110 10 P iit it A S D G i K Enter Pon sav Cana V V m C 07 2 x C V B N M lt O Shit End D N 5 LS 1 Fn Alt m ine Det Ak T nl nun Esc F1 F2 F3 F4 F5 F6 F7 F8 F8 10 PrtSc cad ao Bresk E 5 1 2 3 4 5 6 7 8 9 0 c z 13 7 i Ww E R T Y E 5 5 D F G H J K L 2 Enter g 1 Li gt lt gt Shift 2 V B N M gt Shift End c c De 4 1 fn Ak ins Del At Figure E 1 US keyboard TECRA A3 S2 Series Maintenance Manual E 1 E 2 United Kingdom UK
46. EST J CD ROM TEST K KEYBOARD TEST L MOUSE PAD gt TEST amp 5 5 amp amp amp amp amp 5 amp amp amp A X Unit Item Test Space GChange Option Cursor Enter Set Loop Count Press Esc To Quit HES SAGE If the test result passes the following display will show up Press any key to continue 3 4 Tecra A3 S2 Series Maintenance Manual 3 2 Executing the Diagnostic Test 3 Tests and Diagnostics If an error is detected and a test fails the following message displays IP il AC IL ress any key to continue Then press any key for next actions the below display presented if copying test log file onto diskette 15 necessary This action will be executed when key pressed Skahir CERT18 28 DOS MODE F T T amp D DISKETTE MENU U1 8 2884 12 15 CONFIG CHECK TEST M LCD PIXELS MODE TEST DMI CHECK TEST 4 N LID SWITCH TEST 51 4 O HDD RAI TEST P NA E LAN TEST Q N A F SPEAKER AUDIO TEST G FAN ON OFF TEST K 5 H MAIN BATTERY CHARGE TEST FDD TEST K U N A J CD ROM TEST K HEYBOARD TEST L MOUSE PAD TEST 4 COPY LOG TO FDD 555555555555 Item Test xXSpace Change Option t1s Move Cursor Enter Set Loop Count Press Esc To Quit MESSAGE Tecra A3 S2 Series Maintenance Manual 3 5 3 Tests and Diagnostics 3 2 Executing the Diagnostic Test It will skip this process if key pressed And
47. Figure 2 11 Figure 2 12 Figure 2 13 Figure 2 14 Tables Table 2 1 Table 2 2 Troubleshooting flowchart 12 cai sade tenses 2 3 Troubleshooting flowchart 2 2 1 tt tesi ee etas 2 4 Power Supply Troubleshooting Process 2 7 Display troubleshooting process 2 12 Keyboard troubleshooting process 2 15 External USB device troubleshooting 2 17 TV out troubleshooting 2 19 Printer port troubleshooting process 2 21 TouchPad troubleshooting process esee 2 23 Speaker troubleshooting Process ERA uns 2 25 Optical drive troubleshooting process 2 27 Modem troubleshooting process 2 30 PCMCIA troubleshooting process 2 32 IEEE 1394 troubleshooting process 2 2 34 Wireless LAN troubleshooting 2 36 Battery LED acd NE 2 8 6 059 1 18 TED MS T 2 9 Tecra A3 S2 Series Maintenance Manual 2 1 Troubleshooting Introduction 2 Troubleshooting Procedures 2 1 Troubleshooting Introduction Chapter 2 describes how to determine if a Field Replaceable Unit FRU in the computer is causing the computer to malfunction The FRUs covered are 1 Display 6 Printer parallel port 11 PCMCIA unit 2 USB Floppy Drive 7 TouchPad 12 IEEE 1394 port 3 Keyboard 8 Speaker 13 Wireless LAN system 4 USB ports 9 Optical drive 5 TV out port 10 Modem The Diagnostics Disk oper
48. IO Loopback Test 3 Tests and Diagnostics 3 5 PIO Loopback Test The PIO loopback test will check below items through PIO loopback connector 2 External Interrupt 4 External Loopback including Pattern test Data Pin test Control register test amp Control pin Status pin test NOTE Remember to connect a PIO loopback connector to the computer s printer port before test begins The screen should display as below indicating whether the test is passed or failed when finished Testing LPT1 Internal Loopback Testing patterns FF FF PASS 1 Testing LPT1 External Interrupt PASS 1 Testing LPT1 External Loopback 1 Data Pin 2 9 4 Err Pin p15 Test PASS 1 2 Control Register Test PASS 1 3 Control Pin amp Status Pin Test PASS 1 PASS 1 Press any key to continue Tecra A3 S2 Series Maintenance Manual 3 9 3 Tests and Diagnostics 3 6 1394 Test 3 10 Tecra A3 S2 Series Maintenance Manual 3 7 Speaker Audio Test 3 Tests and Diagnostics 3 6 Speaker Audio Test The speaker audio test allows the user to aurally confirm the speaker functions And check both speakers if they are OK within 3 times Beep sound generated NOTE Remember to tune up the volume as Maximum before this test starts The screen should display as below indicating whether the test is passed or failed after the question FATBUZER test version 1 07 lease listen for speaker bein
49. OG LOW 2505070 2 5 5 1 SHIELD TO HINGE 2 5 3 0kg SADDLE L LL TO LL SHIELD TO MMCK25050Z0 M2 5 5 RJ11 45 PCB TO LU 2 5 3 0kg 2505070 M2 5 5 LL TO MB TO LU 2 5 3 0kg 2505070 M2 5 5 LL TO MB TO LU 2 5 3 0kg THERMAL FAN ASSY 2505070 M2 5 5 MB TO LL 2 5 3 0kg 2505070 M2 5 5 LU TO LL 2 5 3 0kg 2505070 M2 5 5 HDD DOOR TO LL 2 5 3 0kg CPU THERMAL SINK TO 2505070 2 5 5 CPU STANDOFF 2 5 3 0kg SCREW P N SCREW SPEC LOCATION SCREW TORQUE TECRA A3 S2 Series Maintenance Manual F 2 3 RE FIX BAY BRACKET WITH E MMCK20030Z0 M2 0 3 DRIVER 2 0 2 5kg M2 5 3 6 MINI PCI BRACKET M2 5 3 es MINI PCI BRACKET TO ECTQ0069000 SPECIAL SCREW RAM DOOR TO LOG LOW TECRA A3 S2 Series Maintenance Manual Appendix G Reliability The following table shows MTBF Mean Time Between Failures for each component Table G 1 MTBF Time hours Keyboard 40 000 Removable FDD Optical DVD CD drive TECRA A3 S2 Series Maintenance Manual G 1 TECRA A3 S2 Series Maintenance Manual
50. Provisions of IEEE Std 1394 1995 for a high performance serial bus and IEEE Std 1394 2000 Interrupt configuration amp RRR amp RN Many interrupt modes supported Supports serialized IRQ with PCI interrupts Supports PC Card or CardBus with hot insertion and removal Supports 132 MBps burst transfers to maximize data throughput on both the PCI bus and the CardBus Supports ring indicate SUSPEN D and PCI CLKRUN protocols and PCI bus Lock Lock Fully interoperable with FireWire and i LINK implementations of IEEE Std 1394 Two IEEE Std 1394a 2000 fully compliant cable ports at 100M bits s 200M bits s and 400M bits s Universal PCI interfaces compatible with 3 3V and 5V PCI signaling environments 1 5V core logic and 3 3V I O cells with internal voltage regulator to generate 1 5V core Vcc PCI power management DO D1 D2 and D3 power states Advanced submicron low power CMOS technology Isochronous receive dual buffer mode Node power class information signaling for system power management PCI burst transfers and deep FIFOs to tolerate large host latency Separate cable bias TPBIAS for each port Register access fail interrupt when the PHY SCLK is not active Tecra A3 S2 Series Maintenance Manual 1 2 System Unit 1 Hardware Overview Marvell 88E8053 for Giga LAN 9 PCI Express base specification 1 0a compliant xl PCI Express interface with 2 5 GHz signaling Advanced error reporting Message signaled inter
51. Toshiba Personal Computer TECRA A3 S2 Maintenance Manual TOSHIBA CORPORATION Copyright 2004 by Toshiba Corporation 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 Tecra A3 S2 Maintenance Manual First edition December 2004 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 Tecra A3 S2 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 IBM is a registered trademark and OS 2 and PS 2 are trademarks of IBM Corporation Microsoft MS DOS Windows DirectSound and DirectMusic are registered trademarks of Microsoft Corporation Intel and Pentium are registered trademarks and SpeedStep is a trademark of Intel Corporation Sound Blaster is a registered trademark of Creative Technology Ltd Centronics is a registered trademark of Centronics Data Computer Corporation Photo CD is a trademark of Eastman Kodak All other properties are trademarks or registere
52. a A3 S2 Series Maintenance Manual 1 17 1 Hardware Overview DVD RAM Write speeds CD R CD RW DVD R DVD RW DVD R DVD RW DVD RAM DVD R DL Buffer capacity Supported formats Applicable Write Formats Applicable Write Disc Applicable Read Disc CD DVD CD CD DVD 1 5 Power Supply Standard rotational speed Maximum 24 times faster rotational speed Maximum 10 times High Ultra Speed faster rotational speed Maximum 8 times faster rotational speed Maximum 4 times faster rotational speed Maximum 8 times faster rotational speed Maximum 4 times faster rotational speed Maximum 3 times faster rotational speed Maximum 2 4 times faster rotational speed UJ 831B amp DV W28E 2 Mbytes Max CD R CD RW DVD R DVD RW DVD R DVD RW DVD RAM DVD R DL UJ 831B amp DV W28E CD R CD RW CD DA CD E G CD MIDI CD TEXT CD ROM CD ROM XA MIXED MODE CD CD I CD I Bridge Photo CD Video CD Multisession CD Photo CD CD EXTRA Portfolio CD DA CD E G CD MIDI CD TEXT CD ROM CD ROM XA MIXED MODE CD CD I CD I Bridge Photo CD Video CD Multisession CD Photo CD CD EXTRA Portfolio CD R CD RW CD R CD RW DVD ROM DVD 5 DVD 9 DVD 10 DVD 18 DVD R DVD RW DVD R DVD RW DVD RAM Tecra A3 S2 Series Maintenance Manual 1 5 Power Supply 1 Hardware Overview 1 5 Power Supply The power supply supplies seven different voltages to the system board and performs the follo
53. a preservation period full charge 1 22 Tecra A3 S2 Series Maintenance Manual Chapter 2 Troubleshooting Procedures 2 Troubleshooting Procedures 2 ii Tecra A3 S2 Series Maintenance Manual 2 Troubleshooting Procedures Chapter 2 Contents 21 Troubleshooting Introduction 2 1 22 Teotibleshootine Plowe Warts 2 2 2 3 Power Supply Tro bleshoOlfig sn qii tp ent o dp pub RES terra 2 7 24 Display Troublesh tng ee eee oen ee 2 12 2 5 Keyboard Troubleshooting 2 15 2 6 External USB Devices rie i eds 2 17 2 7 TV Out Failure Troubleshooting ioc es a Pat nr Monee bed 2 19 2 8 Printer Port DIroublesboof Ing so ee ies 2 21 2 9 TouchPad Troubleshooting 2 23 2 10 Speaker Troubleshooting sienne sien YR ERN TE Ee nan NH aee 2 25 211 Modem Troubleshooting sort Ge ee Ro 2 27 2 12 PCMCIA Troubleshooting pod e o ne ee 2 29 2 13 gt TERE 394 Troubleshooting ts ebbe 2 31 2 14 Wireless LAN Troubleshooting ss 2 33 Tecra A3 S2 Series Maintenance Manual 2 iii 2 Troubleshooting Procedures Figures Figure 2 1 Figure 2 1 Figure 2 2 Figure 2 3 Figure 2 4 Figure 2 5 Figure 2 6 Figure 2 7 Figure 2 8 Figure 2 9 Figure 2 10
54. ance Manual 2 7 2 Troubleshooting Procedures 2 3 Power Supply Troubleshooting The power supply controls many functions and components To determine if the power supply is functioning properly start with Procedure 1 and continue with the other Procedures as instructed The flowchart in Figure 2 2 gives a summary of the process The procedures described in this section are Procedure 1 Power status check Procedure 2 Adaptor battery replacement Procedure 3 Power supply connection check Procedure 4 Diagnostic check Procedure 5 Internal connection check Procedure1 Power Status Check The following LEDs indicate the power supply status 1 Battery LED gt DC IN LED The power supply controller displays the power supply status through the Battery and the DC IN LEDs as listed in the tables below Table 2 1 Battery LED Battery State LED colors Definition Charging Amber solid on Battery charging with Battery fully charged by AC Green color off Battery abnormal stop charging with AC Bad cell Overheated Discharging Amber blinking Battery within low state 12 minutes LED on for 1 second remaining every 4 seconds Amber blinking Battery within critical low state 3 LED ortor minutes remaining The system is protected and cannot be re powered on without the AC power connected Amber color off Battery not in low or critical low state It s in discharging state 2 8 Tecra A3 S2 Series Mainte
55. art downward removing only those FRUS necessary to reach the one you think is causing the computer to operate improperly Refer to the example on the following page Battery pack Keyboard Wireless LAN Expansion Memory MODEM Module Direct Play Button Board Display Assembly Cover Mask Sent Board LD Module Module Fan amp Heat Sink Speakers Touch Pad FL Inverter Board Tecra A3 S2 Series Maintenance Manual 4 1 4 Replacement Procedures The example below shows FRUs to be removed before the Direct Play button board can be removed and repaired or replaced The Direct Play button board is overlapped by the top cover which must be removed before the Direct Play button board can be reached The removable HDD keyboard wireless LAN ODD modem and display assembly in turn overlap the top cover Always starts the disassembly process by removing the battery pack Keyboard Direct Play Button Board Display Assembly Top LE Mask BEC Board LCD Module Module Fan amp Heat Sink Speakers Touch Pad FL Inverter Board 4 2 Tecra A3 S2 Series Maintenance Manual 4 Replacement Procedures Safety Precautions Before you begin disassembly read the following safety precautions and observe them carefully as you work DANGER 1 Always use the lithium ion battery pack or backup battery that is authorized Toshiba or compatible with the unit Since other battery packs have different
56. ations are described in Chapter 3 Detailed replacement procedures are given in Chapter 4 The following tools are necessary for implementing the troubleshooting procedures De Oe EN eS oe _ Se gt D Diagnostics Disk Repair and Sound Repair Phillips screwdriver 2 mm 6mm nut driver for the helix screw nuts on the rear ports for CPU door 2DD or 2HD formatted work disk for floppy disk drive testing Printer port loopback connector Sycard PCMCIA test card Cleaning kit for floppy disk drive troubleshooting Cleaning kit for optical drive troubleshooting Multimeter External monitor USB compatible keyboard Multimedia sound system with line in and line out ports Headphones USB test module and USB cable Music CD Tecra A3 S2 Series Maintenance Manual 2 1 2 Troubleshooting Procedures 2 3 Power Supply Troubleshooting 2 2 Troubleshooting Flowchart If you know the location of the malfunction turn directly to the appropriate section of this chapter If the problem is unspecified use the flowchart in Figure 2 1 as a guide for determining which troubleshooting procedures to execute Before performing any troubleshooting procedures verify the following 2 Ask the user if a password is registered and if it is ask him or her to enter the password 2 Verify with the customer that Toshiba Windows is installed on the hard disk Operating systems that were not preinstalled by
57. ay as below indicating whether the test is passed or failed when finished Series Battery Test 5911 91 8 2882 87723 Battery Type Ni MH anufacturer Panasonic emain charge capacity 91 8 charge Test ress any key to continue Tecra A3 S2 Series Maintenance Manual 3 13 3 Tests and Diagnostics 3 10 FDD Test 3 9 FDD Test NOTE Before running the FDD test prepare a formatted work diskette 1 44 MB Remove the diagnostics diskette and insert the work diskette into the FDD The contents of the floppy diskette maybe erased The Floppy Disk Test includes three subtests of the 1 Sequential seek verify function Range Track 0 79 2 Funnel code seek verify function Range Track 0 79 3 Write Read Compare pattern function Range Track 75 79 NOTE The write protected device of this formatted diskette should be Disable The subtests run automatically NOTE Press Esc key can skip the current subtest The screen should display as below indicating whether the subtests pass or fail when finished Testing Driver A 1 44 MByte 1 88 Head 2 Sec 18 1 Testing Seq seek verify Head 81 Track 79 PASS 1 Testing Fun seek verify Head 81 Track 85 3 14 Tecra A3 S2 Series Maintenance Manual 3 10 FDD Test 3 Tests and Diagnostics Tecra A3 S2 Series Maintenance Manual 3 15 3 Tests and Diagnostics 3 11 CD ROM Test 3 10 CD ROM Test
58. ce Manual 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 TECRA A3 S2 Series Maintenance Manual A 3 7 Do not expose the module to direct sunlight or strong ultraviolet rays for long periods 8 Do not store the module at temperatures below specifications Cold can cause the liquid crystals to freeze lose their elasticity or otherwise suffer damage 9 Do not disassemble the LCD module Disassembly can cause malfunctions A 4 TECRA A3 S2 Series Maintenance Manual 10 If you transport the module do not use packing material that contains epoxy resin amine or silicon glue alcohol or oxime These materials can release gas that can damage the panel s polarization TECRA A3 S2 Series Maintenance Manual A 5 6 TECRA A3 S2 Series Maintenance Manual Appendix Board Layout B 1 System Board FRDSY Top View 22222 22226 gt vases JP22 1 21 Figure B 1 System board FRDSY layout Top TECRA A3 S2 Series Maintenance Manual B 1 2 System Board FRDSY Button View Figure B 2 System board FRDSY layout Button B 2 TECRA A3 S2 Series Maintenance
59. compartment cover Figure 4 10 Removing the wireless LAN cover 2 Lift off the wireless LAN compartment cover 3 Remove the embedded one M2 5x3 6 screw securing the Mini PCI bracket Note If your wireless LAN unit is an A type card then the screw will be a safety screw 4 Detach the two ends of the wireless LAN antenna 5 Gently press out on the latches One end of the wireless LAN unit will pop up 6 Detach antenna cables from LAN card connector 7 Grasp the wireless LAN unit and pull it out Tecra A3 S2 Series Maintenance Manual 4 17 4 Replacement Procedures Figure 4 11 Removing the wireless LAN unit CAUTION Do not touch the connectors on the wireless LAN unit or on the computer Debris on the connectors may cause malfunction Installing the Wireless LAN To install the wireless LAN unit follow the steps below and refer to the figures in the preceding section 1 Turn the computer upside down and loosen the embedded M2 5x5 screw securing the wireless LAN compartment cover Lift off the wireless LAN compartment cover Fit the wireless LAN unit s connector to the computer s connectors and press carefully to ensure firm contact CAUTION Do not touch the connectors on the wireless LAN unit or on the computer Debris on the connectors may cause malfunction Gently push the wireless LAN unit down until the latches engage the unit to hold it in place Tecra A3 S2 Series Maintenance Manua
60. d 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 Tecra A3 S2 Maintenance Manual iii The manual is divided into the following parts Chapter n S Hardware Overview describes the Tecra A3 S2 Series system unit and each FRU Chapt r T S Troubleshooting Procedures explains how to diagnose and resolve FRU problems ido Test and Diagnostics describes how to perform test and diagnostic operations for maintenance service Chapter o eve ol HU Ca et E dis Replacement Procedures describes the removal and replacement of the FRUs Appendice Si caes Matt cals ne ne E Co The appendices describe the following Handling the LCD module Board layout Pin assignments Keyboard scan character codes Key layout Screw torque list Reliability Tecra A3 S2 Maintenance Manual 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
61. d latch with either a screwdriver or a fingernail 5 Lift the keyboard out of its bay revealing the keyboard cable 6 Disconnect the keyboard cable and remove the keyboard from the computer entirely 4 24 Tecra A3 S2 Series Maintenance Manual 4 Replacement Procedures Figure 4 18 Disconnecting the keyboard cable Installing the Keyboard To install the keyboard follow the steps below and refer to the figures in the preceding section 1 Connect the keyboard cable to the system board 2 Set the keyboard in place and secure it with two black M2 5x3 screws 3 Engage the flip latch with either a screwdriver or a fingernail 4 Set the strip cover and press down to secure the strip cover latches engage Tecra A3 S2 Series Maintenance Manual 4 25 4 Replacement Procedures 4 10 Bluetooth Removing the Bluetooth To remove a Bluetooth unit follow the steps below 1 Detach a FFC cable from motherboard 2 Remove two black M2x3 screws 3 Grasp the Bluetooth unit and remove it JEN m Figure 4 19 Removing the Bluetooth Installing the Bluetooth To install a Bluetooth unit follow the steps below and refer to the figures in the preceding section 1 Seat the Bluetooth module securing with two black M2x3 screws 2 Connect the cable to motherboard 4 26 Tecra A3 S2 Series Maintenance Manual 4 Replacement Procedures 4 11 Modem Removing the Modem To remove the installed modem follow
62. d replacement check The TouchPad unit or FPC may be defective or damaged Replace each with a new one following the steps in Chapter 4 If the FDD is still not functioning properly replace the system board with a new one following the steps in Chapter 4 2 24 Tecra A3 S2 Series Maintenance Manual 2 9 Touch Troubleshooting 2 Troubleshooting Procedures 2 10 Speaker Troubleshooting Perform audio source test Procedure 1 Do all sources have same problem Yes Perform earphone test Procedure 2 Do earphones function correctly Perform connection check Procedure 3 Perform replacement check Procedure 4 Replace system board Speakers are not faulty Continue troubleshooting see Figure 2 1 Figure 2 9 Speaker troubleshooting process Tecra A3 S2 Series Maintenance Manual 2 25 2 Troubleshooting Procedures 2 9 TouchPad Troubleshooting To determine if the computer s built in speakers are functioning properly perform the following procedures Figure 2 10 outlines the process First adjust the speaker volume to an appropriate level Start with Procedure 1 and continue as instructed Procedure 1 Audio source test Procedure 2 Earphone test Procedure 3 Connection check Procedure 4 Replacement check Procedure 1 Audio source test Try different audio sources e g an audio CD and digital music file to determine whether the fault is in the speaker system or not If no
63. d trademarks of their respective holders Preface This maintenance manual describes how to perform hardware service maintenance for the Toshiba Personal Computer Tecra A3 S2 referred to as the Tecra A3 S2 in this manual The procedures described in this manual are intended to help service technicians isola te 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 Tecra A3 S2 Maintenance Manual ii 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 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 securely with the right screwdriver If a screw is not fully fastene
64. de down 2 Remove two black M2 5x5 screws to release the HDD door 3 Pull on the tab to remove the HDD module 4 Remove the HDD module from the HDD case Figure 4 5 Removing the HDD door Tecra A3 S2 Series Maintenance Manual 4 11 4 Replacement Procedures Figure 4 6 Removing the HDD module Installing the HDD Module To install the HDD module follow the steps below and refer to the figures in the preceding section 1 Insert the HDD module into the HDD slot 2 Secure the HDD door with two black M2 5x5 screws Disassembling the HDD Module To take apart the HDD first remove it from the computer as described earlier 1 Remove four M3x3 screws securing the HDD mounting brackets to the HDD There are two on each side 4 12 Tecra A3 S2 Series Maintenance Manual 4 Replacement Procedures Figure 47 Removing the HDD bracket 4 5 Optical Drive Module Removing the Optical Drive Module To remove the optical drive module you need to remove the HDD module first Follow the steps below 1 Tum the computer upside down 2 Remove one M2 5x3 screw securing the optical drive module into place 3 Slide the Slim Select Bay latch to unlock position 4 Grasp the optical drive module and slide it out Tecra A3 S2 Series Maintenance Manual 4 13 4 Replacement Procedures Figure 4 8 Removing the optical drive module Installing the Optical Drive Module To install a device in the optical drive module bay
65. dem replacement check The modem card or RJ 11 jack may be faulty Try replacing them If the problem persists the system board may be defective or damaged Replace the System Board with a new one following the steps in Chapter 4 Replacement Procedures 2 28 Tecra A3 S2 Series Maintenance Manual 2 9 Touch Troubleshooting 2 Troubleshooting Procedures 2 12 PCMCIA Troubleshooting START Perform SYCARD test Procedure 1 Do errors occur during PCMCIA unit is SYCARD test not faulty Perform PCMCIA socket replacement check Procedure 2 Replace system board Figure 2 12 PCMCIA troubleshooting process Tecra A3 S2 Series Maintenance Manual 2 29 2 Troubleshooting Procedures 2 9 TouchPad Troubleshooting This section describes how to determine if the PCMCIA card player is functioning properly The process is summarized in Figure 2 13 Perform the steps below starting with Procedure 1 and continuing with the other procedures as required Procedure 1 Sycard test Procedure 2 PCMCIA socket replacement check Procedure1 SYCARD test The SYCARD test card contains a PCMCIA test program Ensure the card in fully inserted into the socket before running the program If an error occurs during the SYCARD test perform Procedure 2 If no error occurs it is likely that the original PC card was faulty Procedure 2 PCMCIA socket replacement check The PCMCIA socket may be damaged or defective for instance th
66. dure 1 TV connection check The TV cable may be damaged or the connections may be loose Perform Check 1 Check 1 sure TV cable is firmly plugged into both the TV set and the TV out port of the computer If the cable is connected correctly go to Check 2 Check 2 Make sure the TV out port is firmly secured to the system board of the computer If the malfunction remains to Check 3 Check3 TV cable may be damaged Replace with good cable If the malfunction remains go to Procedure 2 Procedure2 TV set check The TV set may be faulty Perform Check 1 Check 1 Try using the set for television reception If it does not work the set may be damaged If the set does work perform Check 2 Check 2 Try connecting a different television to the computer If the replacement television works the original set may be damaged If the replacement set does not work the system board may be damaged Replace it with a new one following the instructions in Chapter 4 2 20 Tecra A3 S2 Series Maintenance Manual 2 8 Printer Port Troubleshooting 2 Troubleshooting Procedures 2 8 Printer Port Troubleshooting Perform diagnostic check Procedure 1 Does the print port function ok Print port is not faulty continue Was a print port N problem detected troubleshooting refer to Figure 2 1 Yes Replace system board Procedure 3 Figure 2 7 Printer port troubleshooting process Tecra A
67. e Check whether the device can transmit data to the computer If the device is able to communicate with the computer the problem may be intermittent or connections may be faulty Go to Procedure 2 If communication is impaired there may be a faulty connection Go to Procedure 3 Procedure 2 Diagnostic check Run the Diagnostic Program which will automatically execute the IEEE 1394 port test for transmission Refer to Chapter 3 Tests and Diagnostics for more information on how to run the program If an error 15 located go to Procedure 3 If an error does not occur the 1394 port 1s functioning properly Procedure 3 Connection and replacement check The transmission cable may be damaged or the connections may be loose Perform Check 1 Check 1 sure the transmission cable is firmly plugged into both the IEEE 1394 compatible device and the IEEE 1394 port of the computer If the cable is connected correctly go to Check 2 Check 2 Make sure the IEEE 1394 port is firmly secured to the system board of the computer If the malfunction persists go to Check 3 Check3 The transmission cable may be damaged Replace with a good cable If the malfunction persists go to Check 4 2 32 Tecra A3 S2 Series Maintenance Manual 2 9 Touch Troubleshooting 2 Troubleshooting Procedures Check 4 system board may be damaged Replace it with a new one following the instructions in Chapter 4 Tecra A3 S2 Series Maintenance Manua
68. e described procedures for disassembling and installing FRUS in the computer 6 After removing parts from the computer place them in a safe place away from the computer so they will not be damaged and will not interfere with your work 7 You will remove and replace many screws when you disassemble the computer When you remove screws make sure they are placed in a safe place and identified with the correct parts 8 When assembling the computer make sure you use the correct screws to secure the various pieces Screw sizes are listed in their corresponding figures 9 The computer contains many sharp edges and corners so be careful not to injure yourself 10 After you have replaced an FRU make sure the computer is functioning properly by performing the appropriate test on the FRU you have fixed or replaced 4 4 Tecra A3 S2 Series Maintenance Manual 4 Replacement Procedures Disassembly Procedures The computer has two basic types of cable connectors Pressure Plate Connectors Standard Pin Connectors To disconnect a Pressure Plate connector lift up the tabs on either side of the connector s plastic pressure plate and slide the cable out of the connector To connect the cable to a Pressure Plate connector make sure the pressure plate is fully lifted and slide the cable into the connector Secure the cable in place by pushing the sides of the pressure plate down so the plate is flush with the sides of the connector Gent
69. e socket pins can be bent Disassemble the computer following the steps described in Chapter 4 Replacement Procedures and replace the socket If the problem persists the system board may be defective or damaged Replace the system board with a new one following the steps in Chapter 4 2 30 Tecra A3 S2 Series Maintenance Manual 2 9 Touch Troubleshooting 2 Troubleshooting Procedures 2 13 IEEE 1394 Troubleshooting Perform IEEE 1394 device check Procedure 1 Is IEEE 1394 transmission ok Perform diagnostic check Procedure 2 IEEE 1394 port and transmission are not Was an IEEE 1394 problem detected No faulty Continue troubleshooting refer to Figure 2 1 Perform connection and replacement check Procedure 3 Replace system board Figure 2 13 IEEE 1394 troubleshooting process Tecra A3 S2 Series Maintenance Manual 2 31 2 Troubleshooting Procedures 2 9 TouchPad Troubleshooting To determine if the computer s IEEE 1394 system is functioning properly perform the following procedures Figure 2 14 outlines the process Start with Procedure 1 and continue with the other procedures as instructed Procedure 1 IEEE 1394 device check Procedure 2 Diagnostic check Procedure 3 Connection and replacement check Procedure 1 IEEE 1394 device check Connect an IEEE 1394 device to the computer s IEEE 1394 port then boot the computer for Windows XP The computer should automatically detect the 1394 devic
70. e the Fan Heat Sink and CPU you must first remove the keyboard top to reveal the system board then follow the steps below CAUTION If you remove the heat sink you should use the CPU grease tool to remove the grease on the CPU and heat sink 1 On the topside of the system board remove three M2 5x5 screws securing the fan module 2 Remove the fan connectors from the system board 3 Liftoff the fan module Tecra A3 S2 Series Maintenance Manual 4 37 4 Replacement Procedures Figure 4 33 Removing the fan module 4 Remove the four embedded screws securing the heat sink in the order indicated on the heat sink Lift out the heat sink while preventing stress to the CPU below Figure 4 34 Removing the heat sink 5 Turn the cam on the CPU socket with a flat blade screwdriver so that the notch on the cam is aligned with the open side of the CPU socket to unlock the CPU Figure 4 55 Removing the CPU 6 Gently lift out the CPU 4 38 Tecra A3 S2 Series Maintenance Manual 4 Replacement Procedures Installing the CPU To install the CPU follow the steps below and refer to the figures in the preceding section CAUTION Reapply fresh grease with the grease tool before installing the heat sink 1 Make sure that the notch on the cam is aligned with the open position 4 Seat the CPU to align the triangle mark on the CPU with the one on the CPU socket Make sure the alignment is exact to avoid damaging pins on the
71. ered on The times required for charges are listed in the table below Normal charge power on 12 hours or longer Quick charge power off About 4 hours Tecra A3 S2 Series Maintenance Manual 1 21 1 Hardware Overview 1 6 Batteries NOTES 1 The time required for normal charge is affected by the amount of power the system is consuming Use of the fluorescent lamp and frequent disk access diverts power and lengthens the charge time Using quick charge the power supply microprocessor automatically stops the charge after eight hours regardless of the condition of the battery Overcharging could cause the battery to explode If any of the following occurs the battery quick charge process stops 1 The battery becomes fully charged 2 The AC adaptor or battery 15 removed 3 The battery or output voltage is abnormal 4 The battery temperature 1s abnormal 5 The battery SMBus communication fails 6 The battery cell is bad Detection of full charge A full charge 1s detected from the battery pack through SMBus when the battery is charging 1 6 2 RTC battery The RTC battery provides power to keep the current date time and other setup information in memory while the computer is turned off The table below lists the charging time and data preservation period of the RTC battery The RTC battery 15 charged by the adaptor or main battery while the computer is powered on Ce Charging Time power on About 24 hours Dat
72. ers To install the speakers follow the steps below and refer to the figure in the preceding section 1 Seat each speaker The speaker cases are marked with L left and R right 2 Secure each speaker with two black M2 5x3 screws 3 Attached the left and right speaker cables to the system board 4 32 Tecra A3 S2 Series Maintenance Manual 4 Replacement Procedures 4 16 System Board Removing the LAN Board Follow the steps below to remove the LAN board 1 Detach the LAN cable from motherboard Remove one M2 5x3 screw securing the LAN board Remove Modem cable tee NY Remove the LAN board Figure 4 29 Removing LAN board Tecra A3 S2 Series Maintenance Manual 4 33 4 Replacement Procedures Installing the LAN Board Follow the step below to install the LAN board 1 Secure the LAN board with one M2 5x3 screw 2 Attach LAN cable 3 Attach Modem Cable Removing the USB Board Follow the steps below to remove the USB board 1 Detach the USB cable from motherboard 2 Remove the USB board Figure 4 30 Removing USB board 4 34 Tecra A3 S2 Series Maintenance Manual 4 Replacement Procedures Installing the USB Board Follow the step below to install the USB board 1 Connect the USB cable to the connector on motherboard Removing the System Board To remove the system board first remove the LCD display assembly and the top cover then follow the steps below 1 Remove two 4 75 x 9 6 NI hexagonal
73. erview 1 Tecra A3 S2 Series Maintenance Manual 1 2 System Unit 1 Hardware Overview 1 1 Features The TECRA A3 S2 Series Personal Computer uses extensive Large Scale Integration LSI and Complementary MetakOxide Semiconductor CMOS technology extensively to provide compact size minimum weight and high reliability This computer incorporates the following features and benefits CPU Intel Celeron CPU up to 1 5GHZ 0 09u 1M L2 FSB 400MHz 2 Intel Pentium M CPU up to 2 13GHz 0 09u 2M L2 FSB 533MHz Micro FC PGA package CPU Chipset Intel Mobile Intele915GM Express Chipset Mobile Intele910GML Express Chipset up to 128MB Mobile Intele915PM Express Chipset ATI 2 MOBILITY rm RADEONe X600 with 64MB or 128MB 2 MOBILITY rm RADEONe X300 with 32MB 64MB or 128MB NVIDIA 2 6600 GPU with 64MB 128MB GeForcem Go 6200 GPU with Turbo Cache with 32MB or 64MB for local cache Video RAM Depending on the model you purchased Intel Graphic model Video RAM up to128MB integrated solution and share with main memory for Intel 915GM 910GML 2 NVIDIA and ATI Graphic model external 32 64 128 VGA DDR RAM for VGA chip gt 5 4 Memory 2 On board with two 200 2 5V SO DIMM connector supporting DDR memories card Maximum up gradable to 2GB by two 1GB SO DIMM module 1MB 2MB L2 Cache on CPU Support 8MB UMA VGA Memory 2 Support Maximum 128MB UMA VGA Memory allocation for m
74. ews securing the LCD module bracket to LCD cover 2 Disconnect the LCD cable from the FL inverter board Figure 4 37 Removing the LCD module 1 4 42 Tecra A3 S2 Series Maintenance Manual 4 Replacement Procedures 3 Remove eight M2x3 screws securing LCD module bracket to the LCD module Figure 4 38 Removing the LCD module 2 1 Remove the LCD module NOTE If the LCD module malfunctions remove the LCD cable and LCD bracket Then replace the whole LCD module unit Installing the LCD Module To install the LCD module follow the steps below and refer to the figures in the preceding section 1 Set the LCD module in the display assembly 2 Secure the LCD module bracket to the LCD module with eight M2x3 screws 3 Connect the LCD cable to the FL inverter board 4 Secure the LCD module bracket to the LCD module with two M2 5x5 screws Tecra A3 S2 Series Maintenance Manual 4 43 4 Replacement Procedures 4 21 FL Inverter Board Removing the FL Inverter Board To remove the FL inverter board first remove the battery pack the display assembly display mask and LCD module then follow the step below 1 Remove one black M2x3 screw securing the FL invert board to the LCD display assembly Figure 4 39 Removing the FL inverter board Installing the FL Inverter Board To install the FL inverter board follow the steps below and refer to the figure in the preceding section 1 Secure one black M2x3 screw con
75. follow the steps below and refer to the figure in the preceding section 1 Slide the device into the optical drive module bay 2 Use one M2 5x3 screw to secure it in position 3 Slide the Slim Select Bay latch to lock position 4 14 Tecra A3 S2 Series Maintenance Manual 4 Replacement Procedures 4 6 Optical Drive This computer may be fitted with a CD RW DVD ROM device DVD R RW DVD Super Multi device Disassembling the Optical Drive To disassemble the optical drive then follow the steps below 1 Remove one M2 5x3 screw and slide the optical drive module from the bay 2 Remove two M2 5x8 screws from bracket plate and five M2 5x3 screws from Base case Figure 4 9 Removing the optical drive bracket Tecra A3 S2 Series Maintenance Manual 4 15 4 Replacement Procedures 4 6 Optical Drive Reassembling the Optical Drive To reassemble an optical drive follow the steps below and refer to the figure in the preceding section 1 Position the optical drive bracket plate to the rear panel of optical drive 2 Secure the optical drive bracket plate with two black M2 5 8 screws 3 Secure the Base case with five M2 5x3 screws 4 Install the optical drive module into the bay and secure with one M2 5x3 screw 4 16 Tecra A3 S2 Series Maintenance Manual 4 Replacement Procedures 4 7 Wireless LAN Removing the Wireless LAN 1 Turn the computer upside down and loosen the embedded M2 5x5 screw securing the wireless LAN
76. fore HDD write test starts The HDD test includes three subtests of the 1 Sequential read all surface 2 Sequential write all surface 3 Partial W R Random W R After the choice is made HDD information will show as below Model name 2 Firmware revision 4 Serial number 2 Cylinder High Register mode including cylinders heads sectors and sizes 2 LBA Logical Block Addressing mode including sectors and sizes 2 Support Ultra DMA Mode 2 Support Mode HDD Utility for Testing only Ver 1 8 Testing HDD Information Press Ctrl Break keys to stop testing ICZ5N838RTCS84 8 CA30A71A CSL364D5CARPWA Model name Firmware revision Serial number CHR Mode cylinders CHR Mode heads CHR Mode sectors CHR Mode sizes LBA Mode sectors LBA Mode sizes Support Ultra DMA Mode Support PIO Mode 58605120 28615 Begin Testing Sequential read all surface gt Testing of Sectors 13300947 3 24 Tecra A3 S2 Series Maintenance Manual 3 16 HDD Test 3 Tests and Diagnostics NOTE Press Ctrl Break keys can terminate the current subtest The screen should display as previous picture indicating whether the subtest is passed or failed when finished NOTE The AC adaptor should be connected to successfully run this test Tecra A3 S2 Series Maintenance Manual 3 25 3 Tests and Diagnostics 3 17 LAN Test 3 16 LAN Test The LAN test checks the LAN full duplex environment
77. g sound 1 8 Sec by 3 times Test over no errors found Do you hear Beep sound Tecra A3 S2 Series Maintenance Manual 3 11 3 Tests and Diagnostics 3 8 Fan ON OFF Test 3 7 Fan ON OFF Test The fan test allows the user to test aurally whether the fan is working And follow the below procedures for this test 2 computer will let the fan be ON after any key pressed Listen to check whether the fan is working NOTE Remember to approach fan outlet that is near right side of unit whether fan is ON computer will stop the fan working after any key pressed Listen to check if the fan is OFF it means no rotating sound The screen should display as below indicating whether the test is passed or failed after the question Fan ON OFF Test Please Listen To The FAN Sound ff Press Any Key To Start Test FAN On Test FAN Off Test Do you hear FAN rotating sound 1 3 12 Tecra 3 82 Series Maintenance Manual 3 9 Main Battery Change Test 3 Tests and Diagnostics 3 8 Main Battery Charge Test NOTE The AC adaptor 120W 90W 19V should be connected to successfully run this test This test shows and measures the main battery Battery type N MH Lion Manufacturer Sony Sanyo Remain charge capacity 0 100 Charge function PASS FAIL Battery Is Full showed when remain charge capacity is 100 The screen should displ
78. g the Touch Pad or Tab key to move between selections 1 Mouse Speed on a scale from slow to fast 2 Acceleration Off Low Medium High 3 Button Assignments Left Right Right button either Unassigned or Drag Lock 4 Swap Buttons Left Right NOTE The Touch Pad test cannot be used to test an external USB mouse The Touch Pad button subtest allows users to test their Touch Pad buttons If the buttons are clicked the cursors should appear in the corresponding box of the button figure that is displayed on the screen as below Logitech Mouse Control Center Mouse Speed Slow Acceleration C Off Medium Lou High Button Assignments Left Right Right Button Unassigned Unassigned Drag Lock Drag Lock Swap Buttons 1 Left Right You may use the TAB key to go from one button to the next and ENTER to select u u Tecra A3 S2 Series Maintenance Manual 3 13 Mouse Pad Test 3 Tests and Diagnostics After checking T Pad buttons and cursor s function use Tab key or use T Pad cursor to click the OK column will end this test It will indicate whether the subtests pass or fail after three questions NOTE The above figure has three compartments although the Touch Pad installed may only have two buttons In this case the central compartment in the figure does not correspond to any button Tecra A3 S2 Series Maintena
79. he computer following the steps described in Chapter 4 Replacement Procedures and perform the following checks Check 1 sure that the wireless LAN antenna is firmly connected to the wireless LAN unit refer to Chapter 4 for instructions and that the wireless LAN unit is securely slotted into the system board If the problem persists go to Check 2 Check 2 Check that the wireless communication switch is turned to then make sure that the wireless communication LED on the front panel is lit If the LED is lit but the wireless LAN function is still faulty the antenna may be damaged Replace with a new antenna following the steps in Chapter 4 Replacement Procedures If the problem persists or if the wireless LAN LED is not lit when the wireless communication switch is turned to go to Check 3 Check 3 wireless LAN unit may be damaged Replace it with a new one following the instructions in Chapter 4 If the problem still exists perform Check 4 Check 4 system board may be damaged Replace it with a new one following the instructions in Chapter 4 Tecra A3 S2 Series Maintenance Manual 2 35 2 Troubleshooting Procedures 2 10 Speaker Troubleshooting 2 36 Tecra A3 S2 Series Maintenance Manual Chapter 3 Tests and Diagnostics 3 Tests and Diagnostics 3 ii Tecra A3 S2 Series Maintenance Manual Test and Diagnostic Operation Contents 3 1 The Diagnostic
80. ignments 84 pin 1 2 rne siomai name vO Signal name vo 1 GND GND 2 3 S1_D3 4 51 CD1 amp 5 S1 04 6 S1 D11 7 S1_D5 8 S1 D12 9 51 06 10 1_013 11 S1 D7 12 S1 014 13 51 1 14 S1 D15 15 S1 A10 16 S1_CE2 17 S1_OE 18 S1 VS1 19 51 11 20 S1_IORD 21 51 9 22 S1 IOWR 23 S1_A8 24 S1_A17 25 S1_A13 26 S1_A18 27 51 14 28 S1_A19 29 S1_WE 30 S1_A20 31 S1_RDY 2 S1 21 33 S1 34 S1 35 S1_VPP 36 S1 VPP 37 S1 A16 38 S1_A22 39 S1_A15 40 S1_A23 41 S1 A12 42 S1_A24 43 S1_A7 44 S1_A25 45 S1_A6 46 S1 VS2 47 S1_A5 48 S1_RST 49 S1_A4 50 S1_WAIT 51 51 52 S1_INPACK 53 S1_A2 54 S1_REG 55 1 A1 56 S1_BVD2 57 51 0 58 S1 1 8 TECRA A3 S2 Series Maintenance Manual 59 1 DO TECRA A3 S2 Series Maintenance Manual 60 1 D8 C 9 Table 5 PC Card I F pin assignments 84 pin 2 2 Pin no 61 62 1_D9 51 D10 S1_CD2 GND GND GND GND GND GND GND GND GND TECRA A3 S2 Series Maintenance Manual 6 JP28 Table C 6 Mini PCI I F pin assignments 124 pin 1 2 Panno 1o enno 1 NC NC NC NC NC NC NC NC NC NC SWITCH NC NC NC PIRQH 5VS_MINIPCI 3 3V PIRQG NC NC GND 3 3V PCICLK PCIRST GND 3 3V
81. ill be driven by the battery for 12 more minutes LBO The battery won t be able to drive the system after 3 minutes The battery can drive the system only during the suspend process LB2 The battery cannot drive the system 9 New battery installation When a new battery is installed the EC communicates with the EPROM in the battery to read information of the newly installed battery 10 Battery capacity calculation The EC reads battery remaining and percentage capacity from the battery through SMBus Tecra A3 S2 Series Maintenance Manual 1 6 Batteries 1 Hardware Overview 1 6 Batteries The computer has two types of battery 2 Main battery pack 18650 size RTC battery The removabk main battery pack is the computer s main power source when the AC adaptor is not attached The battery specifications are listed in the table below Main battery Lithium lon 14 8 V 6450mAH 4300mAH 1 6 1 Main Battery Battery charging is controlled by a power supply microprocessor that is mounted on the system board The power supply microprocessor controls whether the charge is on or off and detects a full charge when the AC adaptor and battery are attached to the computer The system charges the battery using quick charge or trickle charge Quick Battery Charge When the AC adaptor is attached there are two types of quick charge quick charge when the system is powered off and normal charge when the system is pow
82. intenance Manual 2 6 External USB Devices Troubleshooting 2 Troubleshooting Procedures 2 6 External USB Devices Troubleshooting START Perform external device and connection check Procedure 1 Does the device function when connected to a different USB port Check USB port connection Does an alternative USB Original USB device is faulty device function correctly Replace system board Procedure 2 Figure 2 5 External USB device troubleshooting process Tecra A3 S2 Series Maintenance Manual 2 17 2 Troubleshooting Procedures 2 6 External USB Devices Troubleshooting To determine if the computer s external USB devices are functioning properly perform the following procedures Figure 2 6 outlines the process Start with Procedure 1 and continue as instructed Procedure 1 External device and connection check Procedure 2 Replace system board Procedure1 External device and connection check The USB device may be damaged or the connection may be faulty Perform Check 1 Check 1 Make sure USB device cable is firmly plugged into one of the USB sockets If the cable is connected correctly go to Check 2 Check 2 Plug the USB device into another USB socket there are three in all If the USB device still does not work go to Check 4 If the device functions correctly when connected to another USB port go to Check 3 Check3 sure that the USB socket is firmly secured to the system
83. k as shown below It will indicate whether the subtest is passed or failed after the question NOTE The Fn key cannot be tested in the keyboard test To determine whether the Fn key is working correctly press Fn F6 or Fn F7 keys to check if LCD display brightness change gradually Tecra A3 S2 Series Maintenance Manual 3 17 3 Tests and Diagnostics 3 12 Keyboard Test Version 1 60 Keyboard pad sequential test BTS88 86 Key UK matrix4 Press lt Fn Up gt and lt Fn Down gt lt Ctrl Break gt Quit 3 18 Tecra A3 S2 Series Maintenance Manual 3 12 Keyboard Test 3 Tests and Diagnostics Keyboard pad sequential test BTS88 86 Key UK matrix4 iD VA BF OFS 27 BCK INS DEL ALT Press lt Fn Up gt and lt Fn Down gt key Keyboard pad sequential test DynaBook 87 Key JP matrix4 Fi FAM BF EFS ED uie nid LLN JUE NOC SP ALT CTL Press lt Fn Up gt and lt Fn Down gt key Pressing a key also reveals that key s scan codes in the upper right hand corner of the screen When the key is depressed its make code is displayed When the key is released the break code is shown Tecra A3 S2 Series Maintenance Manual 3 19 3 Tests and Diagnostics 3 12 Mouse Pad Test 3 13 Mouse Pad Test The Mouse test allows the user to select and assign values to the following usin
84. l 4 Replacement Procedures 5 Attach the ends of the wireless LAN antenna Connect the antenna cables a black one and white one to LAN card s connector 6 Use one M2 5x3 6 screw to secure the Mini PCI bracket Note If your wireless LAN unit is an A type card then the screw will be a safety screw 7 Seat the wireless LAN compartment cover and secure it with the embedded security screw 4 8 Expansion Memory Module Removing an Expansion Memory To remove an expansion memory module make sure the computer is in boot mode then 1 Be sure the power is off and all cables are disconnected from the computer 2 Turn the computer upside down and remove the battery pack Loosen the embedded M2 5x5 screw securing the memory module socket cover Figure 4 12 Removing the memory module cover 3 Slide your fingernail or a thin object under the cover and lift it off 4 Push the latches to the outside to release a module A spring will force one end of the module up 5 Grasp the module and pull it out 6 Seat the cover and secure its screw Tecra A3 S2 Series Maintenance Manual 4 19 4 Replacement Procedures 7 Replace the battery pack Figure 4 13 Removing a memory module CAUTION Do not touch the connectors on the expansion memory or on the computer Debris on the connectors may cause memory access problems 4 20 Tecra A3 S2 Series Maintenance Manual 4 Replacement Procedures Installing an Expansion Memor
85. l 2 33 2 Troubleshooting Procedures 2 10 Speaker Troubleshooting 2 14 Wireless LAN Troubleshooting Perform diagnostic test Procedure 1 Wireless LAN system is not faulty Continue troubleshooting refer to Figure 2 1 Was a wireless LAN problem delected Perform connector and replacement check Procedure 2 Replace wireless LAN antenna unit Replace system board Figure 2 14 Wireless LAN troubleshooting process 2 34 Tecra A3 S2 Series Maintenance Manual 2 10 Speaker Troubleshooting 2 Troubleshooting Procedures The wireless LAN antenna wire wireless LAN unit or system board may each be the source of a wireless LAN fault Any of these components may be damaged To determine if the computer s wireless LAN system is functioning properly perform the following procedures Figure 2 15 outlines the process Start with Procedure 1 and continue with the other procedures as instructed Procedure 1 Diagnostic test Procedure 2 Connector and replacement check Procedure 1 Diagnostic test Run the Diagnostic Program which will automatically execute the wireless LAN test Refer to Chapter 3 Tests and Diagnostics for more information on the program If an error is located go to Procedure 2 If an error is not located the wireless LAN system is functioning properly Procedure 2 Connector and replacement check The wireless LAN antenna wireless LAN unit or system board may be disconnected or damaged Disassemble t
86. led in red color The screen should display as below indicating whether the test is passed or failed after comparison KNeil Fud lt 2002 6 18 gt lt Ver 1 0 gt ommand Line cfgchk TabFileName SKU cfgchk btuiOtab txt PS110E 0002S GR Please input the SKU PSPZOUFZOOOF 4800 2800 1 004 ID 32MB 256 DUDR RM HDD 60010 MODEM LAN NoWEP NO BT FIR 12cell ress any key to continue Tecra A3 S2 Series Maintenance Manual 3 7 3 Tests and Diagnostics 3 4 DMI Check Test 3 4 DMI Check Test This test will check if the computer s Desktop Management Interface DMI is correct DMI includes 2 Manufacturer 4 Production Name Version 2 Serial Number 4 UUD 4 String It needs to input unit Part Number by manual then show this unit DMI information and makes comparison with SKU data NOTE To execute this test you must input unit Part Number as Uppercase Character The screen should display as below indicating whether the test is passed or failed after comparison Compal DMI String R W Utility 02 4 7 m anufacturer Typel ffsetO4h TOSHIBA OffsetO5h Satellite P20 PSP20UFZOOOF Serial 1 OffsetO7h 63015307CU UID Typei Offset08h 9659BE79 8FB6 11D7 BIED 00023F811022 EM Strings Part Number SW Number Type11 0OffsetO5h PSPZOUFZOOOF PSP2ZOUFZOOOF ress any key to continue 3 8 Tecra A3 S2 Series Maintenance Manual 3 5 P
87. ly pull on the cable to make sure the cable is secure If you pull out the connector connect it again making sure the connector s pressure plate is fully lifted when you insert the cable Standard pin connectors are used with all other cables These connectors can be connected and disconnected by simply pulling them apart or pushing them together Assembly Procedures After you have disassembled the computer and fixed or repaired the problem that was causing the computer to operate abnormally you will need to reassemble the computer Install all the removed FRUs following the steps described in the corresponding sections in this chapter While assembling the computer remember the following general points 25 Take your time making sure you follow the instructions closely Most problems arise when you get in a hurry assembling the computer Make sure all cables and connectors are securely fastened 25 Before securing the FRU or other parts make sure that no cables will be pinched by screws or the FRU Check that all latches are closed securely 25 Make sure all the correct screws are used to secure all FRUs Using the wrong screw either damage the threads on the screw or the head of the screw and may prevent proper seating of an FRU After installing an FRU in the computer confirm that the FRU and the computer are functioning properly Tecra A3 S2 Series Maintenance Manual 4 5 4 Replacement Procedures Tools and
88. matically when the Diagnostics Program items are selected and executed NOTES To start the diagnostics follow these steps 1 Check all cables for loose connections 2 Exit this program when you are at Main Menu The TEST amp DIAGNOSTIC PROGRAM contains the following functional tests CONFIG CHECK TEST DMI CHECK TEST PIO LOOPBACK TEST IEEE1394 TEST SPEAKER AUDIO TEST FAN ON OFF TEST MAIN BATTERY CHARGE TEST FDD TEST CD ROM TEST KEYBOARD TEST MOUSE PAD TEST LCD PIXELS MODE TEST LID SWITCH TEST HDD R W TEST LAN TEST RTC TEST RRRRRRRRRRRRRRRR You will need the following equipment to perform some of the Diagnostic test programs The diagnostics diskette 2 pes A printer loopback connector PIO Loopback Test A formatted working diskette for the floppy disk drive test Floppy Disk Drive Test A data CD disc CD ROM Test A LAN loopback connector LAN Test TEEE1394 Link Cable RRRRRR The following sections explain how to execute the Test amp Diagnostic Program and detail the tests within the program Tecra A3 S2 Series Maintenance Manual 3 1 3 Tests and Diagnostics 3 2 Tecra A3 S2 Series Maintenance Manual 3 2 Executing the Diagnostic Test 3 Tests and Diagnostics 3 2 Executing the Diagnostic Test Toshiba MS DOS is required to run the DIAGNOSTICS PROGRAM To start the DIAGNOSTIC PROGRAM follow these steps 1 Insert the diagnostics diskette 1 in the floppy disk drive and turn on
89. multr meter to make sure that the fuses the system board are not blown If a fuse is not blown go to Check 2 If a fuse is blown go to Check 3 Check 2 Make sure that the battery cable is firmly connected to the system board If it is connected firmly go to Check 3 Check 3 system board may be damaged Replace it with a new one following the instructions in Chapter 4 Tecra A3 S2 Series Maintenance Manual 2 11 2 Troubleshooting Procedures 2 4 Display Troubleshooting 2 4 Display Troubleshooting START Perform external display check Procedure 1 Does the external display function ok Perform diagnostic check Procedure 2 Display is not faulty Continue Was a display problem detected troubleshooting refer to Figure 2 1 Perform connector and replacement check Procedure 3 Replace system board Figure 2 3 Display troubleshooting process 2 12 Tecra A3 S2 Series Maintenance Manual 2 4 Display Troubleshooting 2 Troubleshooting Procedures This section describes how to determine if the computer s display is functioning properly The process is outlined in Figure 2 3 Start with Procedure 1 and continue with the other procedures as instructed Procedure 1 External display check Procedure 2 Diagnostic check Procedure 3 Connector and replacement check Procedure 1 External display check Connect an external display to the computer s external monitor port then boot
90. n If the problem still exists perform Check 3 Replace the LCD module with a new one and test display again If the problem still exists perform Check 4 Replace the LCD FL cable with a new one and test display again If the problem still exists perform Check 5 Replace the CPU with another of the same specifications If the problem still exists perform Check 6 The system board may be damaged Replace it with a new one Tecra A3 S2 Series Maintenance Manual 2 5 Keyboard Troubleshooting 2 Troubleshooting Procedures 2 5 Keyboard Troubleshooting START Perform external keyboard check Procedure 1 Does the external eyboard function ok Perform diagnostic check Procedure 2 Was a keyboard problem detected Keyboard is not No faulty Continue troubleshooting refer to Figure 2 1 Perform connector and replacement check Procedure 3 Replace system board Figure 2 4 Keyboard troubleshooting process Tecra A3 S2 Series Maintenance Manual 2 15 2 Troubleshooting Procedures 2 5 Keyboard Troubleshooting To determine if the computer s keyboard is functioning properly perform the following procedures Figure 2 5 outlines the process Start with Procedure 1 and continue with the other procedures as instructed Procedure 1 External keyboard check Procedure 2 Diagnostic check Procedure 3 Connector and replacement check Procedure 1 External keyboard check Connect
91. nance Manual every 2 seconds 2 3 Power Supply Troubleshooting 2 Troubleshooting Procedures Table 2 2 DC IN LED AC IN LED Power supply status AC power exists LED is solid green Off No AC power exists To check the power supply status install a battery pack and connect an AC adaptor to the DC IN port on the computer and to a power supply If the DC IN LED or Battery LED is not lit go to Procedure 2 Procedure2 Adaptor battery replacement A faulty adaptor may not supply power or may not charge the battery Perform Check 1 Check 1 Connect a new AC adaptor If the problem is not resolved go to Check 2 Check 2 Insert a new battery If the problem is still not resolved go to Procedure 3 Tecra A3 S2 Series Maintenance Manual 2 9 2 Troubleshooting Procedures 2 3 Power Supply Troubleshooting Procedure 3 Power supply connection check The power supply wiring diagram is shown below Any of the connectors may be disconnected Perform Check 1 Check 1 Check 2 Check 3 Check 4 Check 5 Check 6 Disconnect the AC power cord from wall outlet Check the power cable for breaks If the power cord is damaged connect a new AC power cord If there is no damage go to Check 2 Make sure the AC adaptor cord and AC power cord are firmly plugged into the DC IN socket AC adaptor inlet and wall outlet If these cables are connected correctly go to Check 3 Make sure that the DC IN input port socket is firml
92. nce Manual 3 2 3 Tests and Diagnostics 3 14 LCD Pixels Mode Test 3 13 LCD Pixels Mode Test This LCD pixels mode test checks whether video display is fine This test includes two modes of the test 1 Text Mode including 40 25 16 colors and 80 25 2 16colors 2 VGA Mode including 320 200 4 16 256 colors 640 200 2 16 colors 640 350 2 16 colors 640 480 2 16 256 colors 800 600 256 colors and 1024 768 256 colors The screen should display as below indicating whether the test is passed or failed after the question 3 22 Tecra A3 S2 Series Maintenance Manual 3 15 Lid Switch Test 3 Tests and Diagnostics 3 14 Lid Switch Test The lid switch test checks the lid function of the unit When LCD cover closed the lid should enable to turn off the display NOTE Remember to tune up the volume as Maximum before this test starts Follow below steps to run this test 1 Close the LCD cover 2 Heard 3 Beep sound happened during LCD closed 3 Open the LCD Then it will indicate whether the test is passed or failed xxxx Lid Switch Test Program V1 1 2882 88 15 xxxxx Please Close LCD Continue Sec 0r lt ESC gt To Quit Tecra A3 S2 Series Maintenance Manual 3 23 3 Tests and Diagnostics 3 16 HDD R W Test 3 15 HDD R W Test The HDD R W test allows the user to test aurally HDD read write function For data security concern it is necessary to input password TOSHIBA be
93. ndix E Appendix F Appendix G Handling he LED Module nn ane 1 Board Layout 1 C 1 Keyboard Scan Character Codes sonet dU n eit eats dede D 1 e turae fercd el aaa E 1 Series Screw Torgue Re aset F 1 NL E G 1 Tecra A3 S2 Maintenance Manual ix Chapter 1 Hardware Overview 1 Hardware Overview 1 Tecra A3 S2 Series Maintenance Manual 1 Hardware Overview Chapter 1 Contents 1 1 DOatutesas LS RE ee c Ee 1 5 1 2 U Bl ds eet er 1 10 1 3 23 inch Hand DISK DEVE ca dtes een odios quet usto epu Qi ne 1 14 1 4 Removable Drives 1 15 1 4 1 DVD R RW Drive Error Bookmark not defined 1582 DVDROM 1 15 1 4 3 CD ROM nt ue 1 15 Ld UUDVDERCERW Res nn tn 1 15 1 4 5 DVD Super Drive 1 17 1 5 Power Supply eo aeo eee qe dd tot 1 15 130 Batteries esee iicet a 1 21 1 6 1 M ini Battery de DN 1 21 1 2 battery 1 22 Tecra A3 S2 Series Maintenance Manual 1 iii 1 Hardware Ov
94. necting the FL inverter board to the LCD display assembly 2 Reassemble the computer 4 44 Tecra A3 S2 Series Maintenance Manual Appendix Handling the LCD Module Precautions for handling the LCD module The LCD module can be easily damaged during assembly or disassembly Therefore please observe the following precautions when handling it 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 4 2 Be careful to align the holes 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 Note The panel s polarized surface is easily scarred so handle it carefully TECRA A3 S2 Series Maintenance Manual 1 2 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 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 TECRA A3 S2 Series Maintenan
95. ng This section describes how to determine if the computer s modem is functioning properly Figure 2 12 outlines the process Perform the steps below starting with Procedure 1 and continuing with the other procedures as required Procedure 1 Telephone line connection check Procedure 2 Modem card connection check Procedure 3 Modem card replacement check Procedure 1 Telephone line connection check The telephone cable may be damaged or the connections may be loose Attempt to connect the computer to a network through using the modem If the modem does not function at all go to Procedure 3 If the attempt fails because the computer detects no telephone signal the fault may be in the telephone cable the wall socket or the modem port Perform Check 1 Check 1 sure telephone cable is firmly plugged into both the telephone wall socket and the modem port of the computer If the cable is connected correctly go to Check 2 Check 2 Make sure the modem port is firmly secured to the system board of the computer If the malfunction remains go to Check 3 Check 3 telephone cable may be damaged Replace with a good cable If the malfunction remains go to Procedure 2 Procedure 2 Modem card connection check Disassemble the computer following the steps described in Chapter 4 Replacement Procedures and ensure that the modem card is well connected to the system board If the problem persists perform Procedure 3 Procedure 3 Mo
96. ngle or dual channel LVDS panel support up to SXGA panel resolution with frequency range from 25MHZ to 112MHZ per channel SMsC LPC 47N217 Super I O with LPC Interface 2 99 PC2001 2 ACPI 2 0 Compliant Serial Ports 2 One Full Function Serial Port 2 2 YY yy C2 1 10 Tecra A3 S2 Series Maintenance Manual 1 2 System Unit 1 Hardware Overview N ON N High Speed 16C550A Compatible UARTs with Send Receive 16 Byte FIFO Supports 230k and 460k Baud Programmable Baud Rate Generator Modem Control Circuitry Infrared Communications Controller IrDA v1 2 4Mbps HPSIR ASKIR Consumer IR Support 1 IR Ports 96 Base I O Address 15 IRQ Options and 3 DMA Options Multi Mode Parallel Port with ChiProtect Standard Mode IBM PC XT PC AT PS 2 Compatible Bidirectional Parallel Port Enhanced Parallel Port EPP Compatible EPP 1 7 and EPP 1 9 IEEE 1284 Compliant IEEE 1284 Compliant Enhanced Capabilities Port ECP ChiProtect Circuitry for Protection Against Damage Due to Printer Power On 192 Base I O Address 15 IRQ and 3 DMA Options LPC Bus Host Interface YN 02 55 C02 gt gt Multiplexed Command Address and Data Bus 8 Bit I O Transfers 8 Bit DMA Transfers 16 Bit Address Qualification Serial IRQ Interface Compatible with Serialized Serial IRQ Interface Compatible with Serialized IRQ Support for PCI Systems PCI CLKRUN Support Power Management Event IO_PME Interface Pin
97. on with the Fn key gives different codes The 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 X X X X X X X TECRA A3 S2 Series Maintenance Manual Table D 2 Scan codes with left Shift key Code set 1 Code set 2 AA AA AA AA AA AA AA AA AA AA AA AA AA 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 right Shift Set 1 EO AA EO B6 2 EO 36 Set 2 EO FO 12 EO FO 59 EO 12 EO 59 TECRA A3 S2 Series Maintenance Manual D 5 D 6 ENT L CTRL L ALT ARROW NUMERIC Table D 3 Scan codes in Numlock mode Code set 1 Code set 2 Break EO D2 EO EO EO EO EO EO EO EO EO EO EO EO D3 CB C7 CF C8 DO C9 D1 CD DB DD EO EO EO EO EO EO EO EO EO EO EO AA AA AA AA AA AA AA AA AA AA AA AA Code set 1 Code set 2 Wee Break TECRA A3 S2 Series Maintenance Manual Table D 5 Scan codes in overlay mode Code set 1 Code set 2 Make Break gt a Table D 6 No 124 key scan code Code set 1 Code set 2 me e Common 2A EO 37 E0 B7 EO AA EO 12 EO 7C EO Ctrl Shift Alt T
98. ore than 256MB System Memory 2 Support Maximum 64MB UMA VGA Memory allocation for 128MB System Memory Tecra A3 S2 Series Maintenance Manual 1 5 1 Hardware Overview 1 2 System Unit BIOS b d e Power HDD gt 003 C2 1 Flash ROM for system BIOS Suspend to RAM Disk Password protection System Various hot key for system control Refreshable ACPI compliant BIOS 12 cell L Ion smart battery pack with 10 8V 8600mAh capacity or 6 cell Li Ion smart battery pack with 10 8V 4300mAh capacity depending on the models Approximately 12 hours or longer charge time to 100 battery capacity with the system on Approximately 4 hours or longer charge time to 100 battery capacity with the system off Approximately 2 days discharge time in standby mode for 12 cell battery and 1 day for 6 cell battery Discharge time in shutdown mode is approximately 1 month One 2 5 9 5mm hard disk with capacity 30GB 40GB 60GB 80 100GB 120GB Bus Master IDE 9 5mm 2 5 HDD Support Support Ultra 100 synchronous DMA ODD Devices One of the following eO YN YN C2 5 25 12 7mm height COMBO device 5 25 12 7mm height DVD Dual device 5 25 12 7mm height DVD Super Multi device 5 25 12 7mm height DVD ROM device 5 25 12 7mm height CD ROM device Optional Devices 1 6 256MB 512MB 1GB SO DIMM modules MINI PCI module 802 1 1la b g Wireless LAN module 802 11b g Wireless LAN module MD
99. ows the user to switch between the LCD and LCD CRT or projector Tecra A3 S2 Series Maintenance Manual 1 9 1 Hardware Overview 1 2 System Unit 1 2 System Unit The system unit is composed of the following major components Processor Intel Celeron M CPU up to 1 5GHz 0 09u 1M L2 FSB 400MHz Intel Pentium M CPU up to 2 13GHz 0 09u 2M L2 FSB 533MHz Micro FC PGA package CPU System Logic Intel 915PM Alviso PM Intel 915GM Alviso GM 400 533 MHz FSB supported 2 ICH6 M 2 ENE KB910 for Keyboard Controller Battery management Unit and RTC 2 TI PCI7411 for Card Bus PCMCIA 1394 5 in 1 controller 2 Integrated VGA solution for 915GM External VGA card for 915PM 2 ALC250DV for AC97 Codec 2 Marvell 88SA8040 for SATA to PATA HDD support 2 Marvell 88E8053 for GIGA LAN Marvell 88E8036 for 10 100M LAN 2 board with two 200 pin 2 5V SO DIMM connector supporting DDR memories card Maximum up gradable to 2GB by two IGB SO DIMM module 2 1MB 2MB L2 Cache on CPU Support 64MB I28MB VGA memory for NV43M M24P M22P 2 Adjustable 128MB UMA VGA memory share from North Bridge Fixed Disk Interface 2 Marvell 88SA8040 supports PATA HDD Video Subsystem UMA VGA Memory up to 128MB Display Core Frequency of 200 250 266 333MHZ 3D Graphics Engine Analog Display support Digital Video out port DVOB and DVOC support DVOB With 165 MHZ clot clock support for 12 bit interface Dedicated 2FP local flat panel interface Si
100. r 15 If an error is detected when using an external USB device perform External USB Devices Troubleshooting procedures in Section 2 6 If an error is detected when using the TV out connection perform the TV Out Failure Troubleshooting procedures in Section 2 7 If an error is detected when using the speakers perform the Speaker Troubleshooting procedures in Section 2 10 If an error is detected when using the modem perform the Modem Troubleshooting procedures in Section 2 12 If an error is detected when using the PCMCIA unit perform the PCMCIA Troubleshooting procedures in Section 2 13 If an error is detected when using the IEEE1394 device perform the IEEE1394 device Troubleshooting procedures in Section 2 14 If an error is detected when using the Wireless LAN perform the Wireless LAN Troubleshooting procedures in Section 2 15 Tecra A3 S2 Series Maintenance Manual 2 3 Power Supply Troubleshooting 2 Troubleshooting Procedures 2 3 Power Supply Troubleshooting START Check Power Supply Status Procedure 1 Are the DC IN and Replace adaptor battery Battery LEDs lit Procedure 2 Check power supply connections Procedure 3 Can you turn the Run diagnostic program computer on Procedure 4 Perform internal connection check Procedure 5 Are the internal power connections secure Replace system board Figure 2 2 Power Supply Troubleshooting Process Tecra A3 S2 Series Mainten
101. receding section 1 2 Seat the display assembly taking care not to crush to the LCD cable or wireless cable Secure two M2 5x8 black screws to LCD hinge Connect the LCD cable to the top chassis Connect the wireless cable to the wireless module Connect the Bluetooth cable to the Bluetooth module Reinstall the strip cover and the keyboard Secure two black M2 5x8 screws on the back of the computer Tecra A3 S2 Series Maintenance Manual 4 29 4 Replacement Procedures 4 13 Top Cover Removing the Top Cover To remove the top covers first remove the battery pack display assembly optical drive module HDD memory module and wireless LAN as described in the preceding sections then follow the steps below 1 Remove seven black M2 5x8 and seven black 2 5 5 securing from bottom Figure 4 23 Removing screws of the bottom 4 30 Tecra A3 S2 Series Maintenance Manual 4 Replacement Procedures 2 Remove two black M2 5x5 and four black M2 5x14 screws securing the top half of the cover E O cei E Le a Figure 4 24 Removing the top cover 3 Detach the Switch board FFC Bluetooth FFC and Touch Pad FFC cables Figure 4 25 Removing FFC cables Tecra A3 S2 Series Maintenance Manual 4 31 4 Replacement Procedures 4 Detach Speaker cable Figure 4 26 Removing Speaker cables 5 Remove the top cover Installing the Top Cover To install the top cover follow the step
102. rupts Configurable 48 KB deep buffer On chip VLAN insertion and removal TCP IP UDP Checksum offload Compliant to 802 3x flow control support 10 100 1000 802 3 compliant Automatic MDI MDIX crossover at all speeds Wake On LAN WOL power management support Compliant to ACPI 2 0 specification Smart power down when link is not detected Marvell Virtual Cable Tester VCT for advanced cable diagnostics Marvell 88E8036 for 10 100M LAN 9 PCI Express base specification 1 0a compliant xl PCI Express interface with 2 5GHz signaling Active state power management LOs support Advanced error reporting Configurable 4KB deep buffer Message signaled interrupts Compliant to 802 3x flow control support 10 100 IEEE 802 3 compliant Wake On LAN WOL power management support Compliant to ACPI 2 0 specification Smart power down when link is not detected Power regulator outputs for 2 5V and 1 2V supplies Marvell 88848040 for Serial ATA Bridge 5 3 5 YY yy 5 ATA ATAPI PIO mode data transfer ATA ATAPI Ultra DMA UDMA data transfer rates of 16 7 25 33 44 66 100 133 and 150MB s Serial ATA power save modes Serial ATA hot plug Enhanced receiving FIFO flow control for Serial ATA link DMA Command Queuing maximum 32 entries Supports 20 25 30 or 40MHz reference clock Serial ATA Interface of 1 5Gbps Full scan for high production test coverage Tecra A3 S2 Series Maintenance Manual 1 13 1 Hardware Overview 1
103. s It is designed for easy configuration by a Plug and Play operating system and provides hot insertion ejection capability Parallel port A 25 pins parallel port enables connection of a printer or other parallel device The port supports Extended Capabilities Port ECP conforming to IEEE 1284 and is Enhanced Parallel Port IEEE 1284 compliant It features ChiProtect circuitry for protection against damage due to printer power on External monitor port A 15 pins CRT port supporting DDC 2B enables connection of an external monitor which is recognized automatically by Video Electronics Standards Association VESA Display Data Channel DDC compatible functions Sound system A Realtek ALC250VD for AC97 codec audio subsystem offers industry leading mixed signal technology to enhance the computer s multimedia capability The sound system is equipped with stereo speakers and jacks for headphone and external microphone 1 6 Tecra A3 S2 Series Maintenance Manual 1 2 System Unit 1 Hardware Overview TV out port Plug a 4 pins S video cable into this connector for output of NTSC or PAL TV standard supporting Macrovision copy protection LAN port The computer comes with an RJ 45 Local Area Network LAN port The LAN port provides connectivity for LAN Switch buttons Power button TOSHIBA Assist Button You can associate an application to this button for automatic launch TOSHIBA Presentation Button This button all
104. s below and refer to the figures in the preceding section 1 Seat the top cover and secure the Switch board FFC Bluetooth FFC and Touch Pad FFC cables 2 Connect Speaker cable 3 Secure the top cover with two black M2 5x5 and four black M2 5x14 screws 4 Secure the seven black M2 5x8 and seven black M2 5x5 securing from bottom 4 32 Tecra A3 S2 Series Maintenance Manual 4 Replacement Procedures 4 14 Touch Pad Removing the Touch Pad To remove the Touch Pad first remove the top cover then follow the steps below 1 Remove two black M2 5x3 screws securing Touch Pad board FFC cable 2 Remove FFC cable 3 Remove one black M2 5x3 screw securing Touch Pad s frame 4 Push the Touch Pad s frame forward and remove the Touch Pad bracket Figure 4 27 Removing the Touch Pad board Installing the Touch Pad To install the Touch Pad follow the steps below and refer to the figures in the preceding section 1 Secure Touch Pad Bracket with one black M2 5x3 screw 2 Connect the Touch Pad board FFC cable to the Touch Pad and then secure it with two black M2 5x3 screws Tecra A3 S2 Series Maintenance Manual 4 31 4 Replacement Procedures 4 15 Speakers Removing the Speakers To remove the speakers first remove the top cover then follow the steps below d Figure 4 28 Removing the speakers 1 Remove two black M2 5x3 screws securing each speaker into place 2 Lift out the speakers Installing the Speak
105. t all sources have sound problem the problem is in the source devices If all have the same problem continue with Procedure 2 Procedure 2 Earphone test Connect a set if earphones or external speakers If these function correctly go to Procedure 3 If they do not function correctly the system board may be defective or damaged Replace it with a new one Procedure 3 Connection check Disassemble the computer following the steps described in Chapter 4 Replacement Procedures and make sure the speaker cable is firmly connected to the audio board If the stereo speakers are still not functioning properly go to Procedure 4 Procedure 4 Replacement check If the stereo speakers don t sound properly the stereo speakers may be defective or damaged Replace them with new ones If the stereo speakers still do not work properly try replacing in turn the audio board and system board 2 26 Tecra A3 S2 Series Maintenance Manual 2 9 Touch Troubleshooting 2 Troubleshooting Procedures 2 11 Modem Troubleshooting START Perform telephone line connection check Procedure 1 Check replace telephone line and connections Computer unable to detect telephone signal Perform connection check Procedure 2 Perform replacement check Procedure 3 Replace system board Figure 2 11 Modem troubleshooting process Tecra A3 S2 Series Maintenance Manual 2 27 2 Troubleshooting Procedures 2 9 TouchPad Troubleshooti
106. wing functions 1 A D conversion The EC uses 8 bit sampling for A D conversion to determine the following values adaptor current Battery and temperature 2 AC adaptor and battery check The EC checks the following by A D converted values Battery installed The EC checks the following by GPIO values AC adaptor connected 3 Abnormal check The EC determines whether the condition is abnormal and if so stores an error code into the error register 4 Input port management The EC monitors the following input signal status 2 System power ON OFF status 5 Beep and LED control Beep is caused by the low battery status The EC controls the following two kinds of LED DC IN LED one color Blue or Green by sku 2 Green indicates AC adaptor is connected Battery LED two colors Green amp Orange Blue amp Orange Blue or Green solid The battery is fully charged Orange The computer is quick charging the battery The battery is low Tecra A3 S2 Series Maintenance Manual 1 19 1 Hardware Overview 1 5 Power Supply 6 Power ON OFF sequence When power is turned on or off the EC starts the power on or off sequence 2 500 4 power ON sequence 2 505 power OFF sequence 7 Battery charging control The EC controls the following 2 The quick charging ON OFF 2 detection of full charge 8 Detection of the low battery The EC detects the low battery point by the gas gauge 2 LBIOM The system w
107. y Module CAUTION Do not touch the connectors on the expansion memory or on the computer Debris on the connectors may cause memory access problems Follow these steps to install a memory module 1 Set the computer to boot mode and turn off the power 2 Remove all cables connected to the computer 3 Turn the computer upside down and remove the battery Loosen the embedded M2 5x5 screw securing the memory module socket cover Figure 4 14 Removing an expansion memory cover 4 Slide your fingernail or a thin object under the cover and lift it off 5 Hit the module s connectors into the computer s connectors at about a 45 degree angle and press the module carefully to ensure a firm connection 6 Push the module down so it lies flat Latches on either side will click into place to secure the module Tecra A3 S2 Series Maintenance Manual 4 2 4 Replacement Procedures Figure 4 15 Installing an expansion memory 4 22 Tecra A3 S2 Series Maintenance Manual 4 Replacement Procedures 49 Keyboard Removing the Keyboard Follow the steps below to remove the keyboard 1 Open the display panel 2 Remove the strip cover by forcing one end of the strip cover up Figure 4 16 Removing the strip cover 3 Remove two black M2 5 3 screws securing the keyboard Tecra A3 S2 Series Maintenance Manual 4 23 4 Replacement Procedures Figure 4 17 Removing the keyboard 4 After removing the screws flip the keyboar
108. y secured to the system board of the computer 2 Ifthe DC IN input socket is loose go to Procedure 5 2 If it is not loose go to Check 4 Use a multi meter to make sure that the AC adaptor output voltage is close to 15V If the output is several percent lower than 15V go to Check 5 If the output is close to 15 V go to Check 6 Connect a new AC adaptor or AC power cord Ifthe DC IN LED does not light go to Procedure 4 Ifthe battery LED does not light go to Check 6 Make sure the battery pack is installed in the computer correctly If the battery is properly installed and the battery LED still does not light go to Procedure 4 Tecra A3 S2 Series Maintenance Manual 2 3 Power Supply Troubleshooting 2 Troubleshooting Procedures Procedure 4 Diagnostic check The power supply may not charge the battery pack Perform the following procedures 1 Reinstall the battery pack 2 Attach the AC adaptor and turn on the power If you cannot turn on the power go to Procedure 5 3 Run the Diagnostic test following the procedures described in Chapter 3 Tests and Diagnostics If no problem is detected the battery is functioning normally Procedure 5 Replacement check The system board may be disconnected or damaged Disassemble the computer following the steps described in Chapter 4 Replacement Procedures Check the connection between the AC adaptor and the system board After checking the connection perform Check 1 Check Use

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