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Toshiba PROL550 Laptop User Manual

1. Figure 4 15 Removing the Bluetooth card Note Be careful not to damage the Bluetooth Card when connecting it with the cable Make sure the card is seated in the correct position Satellite L550 Maintenance Manual 4 26 Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply 2 to the text that you want to appear here 4 Replacement Procedures Installing the Bluetooth card Install the Bluetooth card according to the following procedures 1 Seat the card in the correct position on the logic upper assembly 2 Slide the card to the end of the track until the release latch clicks 3 Secure the Bluetooth cable under the tabs on the logic upper assembly Satellite L550 Maintenance Manual 4 27 4 Replacement Procedures Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply amp 2 to the text that you want to appear here 4 10 Touch Pad Button Board and Bracket Removing the touch pad button board and bracket Remove the touch pad button board and bracket according to the following procedures and Figure 4 16 4 17 1 Remove two M2 5x4 screws and one cable from the touch pad bu
2. ERN reeves 4 10 Figure 4 3 Removing the HDD Fer ehe 4 1 Figure 4 4 Removing the 900 isis teet 4 12 Figure 4 5 Removing the from the laptop 4 13 Figure 4 6 Removing the ODD Bay 4 14 Figure 4 7 Removing the bracket from the ODD 4 15 Figure 4 8 Removing the keyboard COVer ose terree tree eerte p bv eet E 4 17 Figure 4 9 Removing screws and releasing hooks from the keyboard 4 18 Figure 4 10 Removing the 4 19 Figure 4 11 Removing the screws from the bottom of the laptop 4 20 Figure 4 12 Removing six screws from under the keyboard 4 21 Figure 4 13 Detaching cables from under the keyboardp 4 22 Satellite L550 ProL550 Series Maintenance Manual 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 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 3
3. 2 I TT IS A ENTER 19 Hungarian HG Keyboard ee IPSI I ENTER S s ENTER SatelliteL550 ProL550 Series Maintenance Manual CONFIDENTIAL E 10 20 Spanish SP Keyboard EPEAT s E z I TT e E FIG le ET TI r LITE PFPP T LE hl 2 LEPLI inl Ir Spr Ae Pa Pe Poel EIS 2 T TT T T 12 TF T PERE T Te 2 EPELELRI
4. idw NP NA LN E qf U 8 8 sg N N 2 N a u q ENTER Jd SHIFT A ENTER 4 Korean KO Keyboard SatelliteL550 ProL550 Series Maintenance Manual CONFIDENTIAL E 2 ENTER 5 United Kingdom UK Keyboard SPACE l a imisa EE T LEE T M TI ENTER 6 US International UI Keyboard SatelliteL550 ProL550 Series Maintenance Manual CONFIDENTIAL E 3 P DS PRTSC PAUSE SYSRQ BREAK LOCK FEF T j Tes gt TIN 1 1 T N
5. 4 55 Removing the CMOS Board and Microphone 4 55 Installing the CMOS Board and Microphone 4 55 Satellite L550 Maintenance Manual 4 iv 4 Replacement Procedures Figures Figure 4 1 Removing the Battery RT TIT 4 8 Figure 4 2 Removing the 4 10 Figure 4 3 Remove the 4 11 Figure 4 4 Removing the eee 4 12 Figure 4 5 Removing the from IaptfoD s ee iut 4 13 Figure 4 6 Removing the ODD Bay module 4 14 Figure 4 7 Removing the bracket from the ODD drive 4 15 Figure 4 8 Removing the 4 17 Figure 4 9 Removing screws and releasing hooks from the keyboard 4 18 Fig re 4 10 Removing osos Us TENTI 4 19 Figure 4 11 _ Removing the screws from the bottom of the laptop 4 20 Figure 4 12 Removing six screws from under the keyboard 4 21 Figure 4 13 Detaching cables from under keyboardp 4 22 Eigure4 14 Removing the function boatrd 4 23 Figure 4 15 Removing the Bluetooth 4 24 Figure 4 16 _ R
6. 4 2 eS cate itn 4 4 Disassembly Procedite sso ood boo 4 5 Assembly Procedures po 4 5 T ols and 4 6 Screw dcs Eu 4 6 Colors oL Screw 4 7 Symbols of Screws on the Laptop 4 7 Symbol 4 7 4523 4 8 Removing the Battery Na ta adie tita a e t ea e 4 8 Installmb the Battery ede ona datas 4 9 4222 HDD ety tela aba tas en atid 4 10 Removing the HDD ratam ed Q ip admi 4 10 Installinig the JAD 4 11 4 12 Removing the Optional Memory itte mi pa vedi eta 4 12 Installing the Optional Memory 4 13 qo Sa a mua pasas 4 14 Removing the ODD Bay 4 14 Installing the ODD Bay c o trt Rus ee te sp 4 15 Disassemblims the ODD DIVE 3 52 aa 4 15 Assembling the ODD Drive 35 2 mus d Dn tu
7. 4 16 46 Keyboard Cover and Keyboard 4 17 Removing the Keyboard Cover and Keyboard 4 17 Installing the Keyboard Cover and 4 19 4h UpperASsembly au as 4 20 Removing the Logic Upper 4 20 Installing the Logic Upper Assembly 4 22 Satellite L550 ProL550 Series Maintenance Manual 4 8 BUMCHON Oats 4 23 Removing the BOSE l as uqaqa 4 23 Installing the function board a 4 23 4 9 BIWetooth Card oo cde 4 24 Removing the Bluetooth Card Giay QY 4 24 Installing th Bluy tooth card uus 4 25 4 10 Touch Pad Button Board and a 4 26 Removing the Touch pad button board and bracket 4 26 Installing the Touch Pad Button Board and Bracket 4 27 4 11 Speakers nu coa 4 28 Removing the Speakers ea
8. 9 Figure 2 3 Display troubleshooting 14 Figure 2 4 Keyboard troubleshooting 17 Figure 2 5 External USB device troubleshooting process 19 Figure 2 6 TouchPad troubleshooting process 22 Figure 2 7 Speaker troubleshooting enne 24 Figure 2 8 Wireless LAN troubleshooting process 26 Figure 2 9 Camera troubleshooting process enne 28 Figure 2 10 Bluetooth troubleshooting process 30 Figure 2 11 1 card troubleshooting process esses 32 Figure 2 12 HDD SSD troubleshooting process 34 Figure 2 13 CRT troubleshooting process 36 Figure 2 14 LAN troubleshooting process 2 38 Figure 2 15 MIC troubleshooting process 2 2 40 Figure 2 16 BUTTON troubleshooting process esee 42 Figure 2 17 Modem troubleshooting process 44 Figure 2 18 Express card troubleshooting process 46 Figure 2 19 HDMI troubleshooting proce
9. a C gt Je TREE SatelliteL550 ProL550 Series Maintenance Manual CONFIDENTIAL E 8 16 French FR Keyboard T pa T FTI d rire TET T oF ET T ET s P Tee FT EL SPACE gt ENTER SatelliteL550 ProL550 Series Maintenance Manual CONFIDENTIAL E 9 18 Greek GK Keyboard IE P F5 F6 FT F8 F9 f F10 scrot ii m E x x3 2 vx 00 0 9 sYsRn LOCK INS HOME PGUP MENGE UE E UN
10. 4 53 Removing the CMOS board and Microphone 4 53 Handling the LCD aset eof noc EH D Shu Aa Hope 1 E yo t 1 sche 1 Keyboard Scan Character D 1 Key l anh ana Ga abu maana 1 Series Screw P 1 ris aa ina wanakuy G 1 Satellite L550 ProL550 Series Maintenance Manual Chapter 1 Hardware Overview 1 Hardware Overview Chapter 1 Contents 1 1 1 2 1 3 1 4 1 5 PEARL OS eee E 1 1 HDI tea 1 9 DVD Super Multi R Double 1 10 Power SUPPLY 1 1 Batteries m aaa mau 1 13 1 5 1 Mam Battery feet iss eas 1 13 1 5 2 Battery Charging Control 1 13 1 5 3 RTC Battery 1 14 Satellite L550 Maintenance Manual 1 Hardware Overview Figures Figure 1 1A ID Parts Description Placement Part 1 5 Figure 1 2 1 9 Figure 1 3 DVD Super Mult 1 10 Tables Table 1 1 HDD Sp cifications it tuba un 1 9 1 2
11. 14 Keyboard Lro bleslioOlfip i sees o roten co pite Eo bees Eee b P Pe Dco ee tut anon 17 External USB Devices Troubleshooting us onte epa eo nre eot cuota oi 19 TouchPad fee ioe ln u 22 Speaker Tr ubleshogtInie tied taut 24 Wireless LAN Troubleshooting 26 Camera tro bleshooltng a Ee dae Sos pease AREIS NEC EON EU VER Ert RO Binetooth Troubleshooting etie he cee ae rU nie dede dli 30 Troubleshootlmg 32 HDD SSD troubleshooting process oi a eee 34 CRT failure troubleshooting process a 36 LCAN lesbo oun a u a bet eon i 38 MIC troubleshooting DrOGess anan ntes 40 Satellite L550 ProL550 Series Maintenance Manual 2 17 2 18 2 19 2 20 2 21 2 22 BUTTON troubleshooting process el e ER FOR TR RU ES Rd ee 41 Modem troubleshooting process 44 Express card troubleshooting process ie ER Eee o 46 HDMI troubleshooting Process 48 E SATA troubleshooting process
12. 50 Optical Drive Troub lesho6tiBg 52 Chapter3 Tests and Diagnostics 3 1 3 2 3 3 3 4 3 5 3 6 3 7 3 8 3 9 3 10 3 11 3 12 3 13 3 14 3 15 3 16 3 17 3 18 TheDiaenosuc Testere intep oi usted i edlen scu 3 Pest asa nu sa 4 Display Configuration 8 Audio sound 9 Fat ON OFF Testi iiie 9 Battery Charge Test 11 11 Memory Chee soci test eno aS tama aa S eee 14 Keyboard 14 Mouse ende iren e Im I HIS 16 ECD Pixels Mode te tette di etg nde Ie iacu ede 17 Magnetic switeh c aaa 18 LAN m a 20 23 tetera 24 pH aaa as nanawan h er 26 M 27 28 Satellite L550 ProL550 Series Maintenance Manual yii Chapter4 Replacement Procedures 4 1 os coeno eMe als au ahua hah au SY Aaa eat 4 Safety
13. EL ENTER hee i Tez sx i 4 jm SPACE gt ENTER SatelliteL550 ProL550 Series Maintenance Manual CONFIDENTIAL E 4 8 Danish DM Keyboard E x T E TER Pee USE scrou Y LOCK INS HOME PGUP WU DEL END PGDN ENTER 9 Swiss SW Keyboard Ed PEEP sI e JP P Tm 2 Tz Tez fe _ 8 5 gt ENTER 2 gt
14. 4 37 Removing ODD Board 4 37 Installing the ODD Board tette Eee tete ete es 4 37 4 17 Thermal Module and VGA Board Optional 4 38 Removing the Thermal Module and VGA 4 38 Installing the VGA Board and Thermal Module 4 39 Satellite L550 Maintenance Manual 4 iii 4 Replacement Procedures 4 18 h 4 41 Removing the oed er Eran di sa aa 4 41 CPU ua ak aaa ian ia apa aaa 4 42 4 19 WEAN 4 43 Removing the WLAN Card 4 43 Installing the WLAN CAE eed ane ten 4 43 4 20 Modem Card Optional I Rete ette rite ar pis gud 4 44 Removing the Modem Card a EI rone 4 44 Installing the Modem Card stet ea D S SSD u HERR 4 44 4 21 LCD Bezel aan a ia o tus a E eee 4 45 Removing the LCD Bezel Assembly 4 45 Installing the D EUR Rete Po 4 47 4 22 PCD Mod l 4 50 Removing the LCD Module acie terr irre re re tert Ee en ipd 4 50 Installing the LCD Module eet etel teo dels 4 53 4 23 CMOS Board and Microphone Optional
15. 4 GND A5 NC A6 1 5VS A7 CLKREQ_MCARD A8 NC 2 A9 GND A10 NC A11 CLK_PCIE_MCAR A12 NC D2 A13 CLK_PCIE_MCAR A14 NC D2 A15 GND A16 NC A17 NC A18 GND A19 NC A20 WL_OFF A21 GND A22 PLT_RST A23 PCIE_PTX_C_IRX A24 3 8 25 PCIE_PTX_C_IRX A26 GND _P2 A27 GND A28 1 5VS A29 GND A30 SMB CLK1 A31 PCIE ITX C PRX A32 SMB CK 1 _ 2 A33 PCIE_ITX_C_PRX A34 GND _P2 A35 GND A36 USB20 N8 A37 GND A38 USB20 P8 A39 43VS A40 GND Liverpool 10M 10MG Maintenance Manual CONFIDENTIAL C 5 41 A43 A45 47 49 1 12 JEXP 3 5 42 GND A44 NG A46 NG A48 E51_TXD_R A50 E51_RXD_R 52 1 5VS GND 3VS Table C 12 New Card Connector pin assignments 26 pin i6 Pino GND Signal Name 1 2 USB20_N5 3 USB20_P5 4 CP_USB 5 NC 6 NC 7 SMB_CK_CLKO 8 SMB CK DATO 9 1 5 8 CARD 10 1 5 5 CARD 11 12 3VALW_CARD 13 PERST 14 3VS_CARD 15 3VS_CARD 16 CLKREQ 17 EXP_CPPE 18 CLK_PCIE_NCAR D 19 ee 20 GND 21 PCIE_PTX_C_IRX 22 PCIE_PTX_C_IRX _NO _PO 23 GND 24 PCIE_ITX_C_PRX _NO 25 PCIE_ITX_C_PRX 26 GND _PO C 13 Table C 13 LAN Connector pin assignments 14 pin C 6 CONFIDENTIAL Liverpool 10M 10MG Maintenance Manual rw rns T 10 RJ45_MIDIO 3 RJ45_MIDI1 5 NC 7 NC 9 3V_LAN 11 3V_LAN 13 LANGND C 14 JUSBB 2 RJ45 MIDIO 4 NC 6 RJ45 MIDI1 8 10 LAN_SK_LAN_LI
16. M 4 3 Fn Win Alt NC Space CG alt 1 gt EST Press lt Fn Up gt and Fn4Down key hank you very much YOU TEST OK Y N17 _ UK keyboard 16 Satellite L550 Satellite L555 Satellite L557 Satellite ProL550 Series T amp D 3 Tests and Diagnostics Keyboard pad sequential test 88 Key UK for Aspire 1400 46 NM D D D _ EER M D 1 LIS shift tT 1 2 22 Alt Space Bar Alt Win Ctl MM Press lt FntUp gt and lt Fn Down gt key hank you very much ARE YOU TEST N17 _ NOTE The Fn key cannot be tested in the keyboard test To determine whether the Fn key is working correctly press Fn F6 or 7 keys to check if LCD display brightness change gradually 3 10 Mouse Pad Test The Mouse test allows the user to select and assign values to the following using 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 Satellite L550 ProL550 Series Maintenance Manual Series T amp D 17 3 Tests and Diagnostics NOTE The Touch Pad test cannot be used to test an external USB mouse The Touch Pad button subtest allows users to test thei
17. SNNT 161 163 165 GND NC Liverpool 10M 10MG Maintenance Manual LCD TZOUT2 162 LCD TZOUT2 164 GND 166 LCD TZOUT1 CONFIDENTIAL C 15 167 168 LCD_TZOUT1 169 GND 170 GND 171 NC 172 LCD TZOUTO 173 NC 174 LCD 700 0 175 GND 176 GND 177 NC 178 LCD TXCLK 179 NC 180 LCD 181 NC 182 GND 183 NC 184 NC 185 NC 186 NC 187 GND 188 GND 189 NC 190 LCD TXOUT2 191 NC 192 LCD TXOUT2 193 GND 194 GND 195 NC 196 LCD TXOUTI1 197 NC 198 LCD TXOUT1 199 GND 200 GND 201 NC 202 LCD TXOUTO 203 NC 204 LCD TXOUTO 205 HPD 206 GND 207 VGA HDMI CLK 208 LCD EDID DATA 209 VGA HDMI CLK 210 LCD EDID CLK 211 GND 212 VGA ENVDD 213 VGA HDMI TXD2 214 NC 215 VGA 2 216 ENBKL 217 GND 218 HDMIDAT_VGA 219 VGA_HDMI_TXD1 220 HDMICLK_VGA 221 VGA_HDMI_TXD1 222 NC 223 GND 224 GND 225 TXDO 226 3VS 227 VGA_HDMI_TXD0 228 3VS 229 GND 230 3VS CONFIDENTIAL Liverpool 10M 10MG Maintenance Manual 21 JEXMIC Table C 21 EXMIC connector pin assignments 6 pin Summe vO Suae 19 1 GNDA 2 MIC1_L L MIC1_L_R 4 MIC_SENSE GNDA 6 NC 22 5 Table C 22 SPK connector pin assignments 4 pin v0 SoniName 1 SPK_L1 2 SPK_L2 3 SPK_R1 4 SPK_R2 23 JPOWER Table C 23 Power B connector pin assignments 10 pin sumens suene ON O
18. 4 12 Display Assembly Removing the Display Assembly CAUTION Use care to avoid the antenna cable being caught between the display assembly and the laptop Remove the display assembly according to the following procedures and Figures 4 19 and 4 20 1 Remove four M2 5x6 screws from the left and right side which secure the display assembly to the laptop M2 5x6 4 Figure 4 19 Removing the display assembly 2 Detach the following connectors from the motherboard one LVDS cable one fan cable one camera cable one microphone cable and WiFi antennas 3 Remove the display assembly from the logic lower assembly Satellite L550 Maintenance Manual 4 32 Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply 2 to the text that you want to appear here 4 Replacement Procedures 4 Remove two M2 5x4 screws that secure the hinge brackets to the logic lower assembly 9 sc E Figure 4 20 Removing the hinge brackets 5 Remove the left and right hinge brackets from the logic lower assembly Installing the Display Assembly Install the display assembly according to the following procedures 1 Place the hinge brackets in the correct position o
19. ENTER SatelliteL550 ProL550 Series Maintenance Manual CONFIDENTIAL E 5 10 Arabic ARE Keyboard Pf ze eee een m ee TET slm m mq SatelliteL550 ProL550 Series Maintenance Manual CONFIDENTIAL CIPIT EEE FPR TES FETTTITITIPPHU rrr HE a REI 12 Russian RU Keyboard HE En rg T 5 AAA gt aan DEL END PGDN a a 1 a ug E el rs NUM Ww jT T
20. Installing the CMOS Board and Microphone Install the CMOS Board and Microphone according to the following procedures 1 Connect the CMOS module cable to CMOS module connector 2 Seat the CMOS module and microphone in the correct position on the LCD cover assembly Satellite L550 Maintenance Manual 4 58 Appendix Handling the LCD Module Precautions for handling the LCD module The LCD module can be easily damaged during assembly or disassembly Observe the following precautions when handling it to prevent damaging it 1 When installing the LCD module in the display assembly make sure that you seat it so that it is properly aligned and maximum visibility of the display is maintained OK Lp so 2 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 scratched and damaged so handle it carefully SatelliteL550 ProL550 Series Maintenance Manual CONFIDENTIAL A 1 2 3 Ifthe panel s surface gets dirty moist wipe it with cotton 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 soft cloth and then wipe the panel s surface Do not
21. SatelliteL550 ProL550 Series Maintenance Manual CONFIDENTIAL 11 22 Turkish F TR F Keyboard 23 Swedish SD Keyboard f ESC 1 a gt N F10 IRIRE TETTE kerr ca A PE IPT 4 SatelliteL550 ProL550 Series Maintenance Manual E 12 CONFIDENTIAL PE EET T Jr E IET T D TE Ts 24 Belgian Keyboard s E E ra frs Parsc Pause scrou Y Adi ur T 2 E SYSRQ 5 BREAK Lock INS OME PGUP km J RH KH
22. END Figure 2 8 Wireless LAN troubleshooting process 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 Satellite L550 Satellite L555 Satellite L557 Satellite Pro L550 26 2 Troubleshooting 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 Chapter3 item A CONFIG CHECK TEST Test and Diagnostic 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 the 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 module refer to Chapter 4 for instructions and that the wireless LAN module is securely slotted into the sy
23. LOCK Jo NZ 4 z HOME PGUP T lt A ENTER 13 Portuguese PO Keyboard F Wre PF F9 Fi FM F12 38 B O vit AXE ip 9 8 1 SCROLL SPACE SatelliteL550 ProL550 Series Maintenance Manual E 7 HO EE J 1 9 H PGUP 4 6 e gt MJ 1 3 END PGDN ENTER 0 INS DEL CONFIDENTIAL 14 Slovakian SL Keyboard E E E e P TETETETETETETE Tes T T FTIIT j T 1 1 ELEREEPEE sar I Lo E 15 Italian IT Keyboard
24. Satellite L550 ProL550 Series Maintenance Manual 20 2 Troubleshooting Procedures 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 Procedure 1 External device and connection check The USB device may be damaged or the connection may be faulty Perform Check 1 Check 1 Check 2 Check 3 Check 4 Make sure USB device cable is firmly plugged into one of the USB sockets If the cable is connected correctly go to 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 Make sure that the USB socket is firmly secured to the system board of the computer If the malfunction remains the system board or USB small board may be damaged Go to Procedure 2 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 or USB small board may
25. 4 4 Removing tbe CRU o ccs hte 4 41 Satellite L550 ProL550 Series Maintenance Manual ix Installing the C n a ca i ee ved eae ebat ern 4 42 4 19 WLAN gc 4 43 Remove the uno aw tecti elei PTUS 4 43 Installing the WEAN Candan beet De e Pi PE CUP PEE EP HE ulus k bones 4 43 420 Modem Card Optional eoe inet Su eer ecto E NRI ORE tes sg tas 4 44 Removing the Modem Card 4 44 Installing the Moden ard ua e 4 44 421 LCD BezeloNSsemblys attt otc be sashan cale aetati ete pens 4 45 Removing the LCD Bezel Assembly acoso d ted ee eee 4 45 Installing the LED te p ea PO Er ote oy Er ER ERREUR ES incu ae 4 47 4 22 uu eee u ee eee 4 50 Removing the LED Modules use e tta ee e PE En bocce 4 50 Installing the LCD NOUIS ET EE retine aov A 4 53 423 CMOS Board and Microphone Optional 4 53 Removing CMOS Board and Microphone 4 53 Installing the CMOS Board and Microphone 4 53 Figures Figure 4 1 Removing the Battery Pack eie GHI REFER 4 8 Figure 4 2 Removing the HDD docor
26. 4 GND C 6 JHDD Table C 6 HDD I F pin assignments 22 pin SATA TXP1 3 SATA 1 4 GND 5 SATA_IRX_DT 6 SATA_IRX_DT X X P1 7 GND 8 3VS 9 3VS 10 3 5 11 GND 5 12 GND 13 GND 14 5 5 15 5VS 16 5 5 17 GND 18 NC 19 GND 20 NG 21 NC 22 s 7 9000 Table 7 SATA ODD assignments 14 pin SATA_STX_D RX_P3_16 3 SATA_STX_D 4 GND RX 16 5 SATA_RXN3_ 6 SATA_RXP3_ _16 _16 7 8 NG 9 5VS 10 5 5 11 12 GND Liverpool 10M 10MG Maintenance Manual CONFIDENTIAL 13 GND 14 C 8 JESATA Table C 8 eSATA USB I F pin assignments 1 1 pin eve ro 10 USB_VCCB 2 USB20_N2_R_S 3 USB20 P2 R S 4 GND 5 GND 6 SATA TXP2 7 SATA TXN2 8 GND 9 SATA_RXN2 10 SATA_RXP2 11 GND 9 JBT Table C 9 Bluetooth Connector pin assignments 10 pin rw sme swa uo 2 3 5 3 BT_VCC 4 NC 5 BT_RESET 6 BT_DET 7 NC 8 USB20_N6 9 USB20_P6 10 GND C 10 JCAM Table C 10 Internal Camera Connector pin assignments 5 pin rns sane rns T 10 CAM_VDD 2 USB20_N9_R 4 CONFIDENTIAL Liverpool 10M 10MG Maintenance Manual 3 5 GND USB20 P9 O x 4 GND 11 JWLAN Table C 11 WLAN Connector pin assignments 52 pin Sonne io Pine 10 1 A2 3 5
27. CONFIDENTIAL E 14 28 Canadian Multinational AC Keyboard ap B PD F 1 x al m gi B T 2 B 8 P S jee ea ETEEETIFIELII BICI NN ES 29 Canadian Bilingual CB Keyboard WH GT TETTE SPP ETT OEE mr STE EE Ee qe el js 44 SatelliteL550 ProL550 Series Maintenance Manual CONFIDENTIAL E 15 30 Japanese JP Keyboard ESC
28. FI F2 Fl Fo um F10 Fil F12 PRIS il SERO INS PGUP L Fr c X i gt i _ FII i DEL j PGON E 8 95 m EH w 27 227 J Mm amp Ta a gt ans 1 lt K b t r 7 BE 8 B 9 2 NP z ss LN 1 ss PGUP T TE T T TEST TES e 5 4 L lt 9 ion 1 5 6 N NV AL AL LC S C LC J amp 4 li M u z SHIFT 7 fs E 2 L END PGDN REP Q B enter SatelliteL550 ProL550 Series Maintenance Manual CONFIDENTIAL E 16 Appendix F Series Screw Torque List KTWAA Table F 1 Series Screw Torque List SCREW SCREW SCREW P N SPEC Q ty LOCATION TORQUE LCD ASSY M2x2 5 NI LCD HINGE BRK ASSY MACAJ0602G0 6 L amp R TO LCD 1 2 1 5Kgf cm 88 17W M2 5x6 BZn LCD HINGE L amp R TO MA0000062G0 LCD COVER 2 5 3 0Kgf cm M2 5x6 BZn LCD BEZEL TO MA0000062G0
29. 2 Satellite L550 Satellite L555 Satellite L557 Satellite ProL550 Series T amp D 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 Base on Sunderland 10M 10MG T amp D version 1 0 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 automatically 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 You will need the following equipment to perform some of the Diagnostic test programs CONFIG CHECK TEST Audio sound TEST FAN ON OFF TEST MAIN BATTERY CHARGE TEST FDD TEST Memory check KEYBOARD TEST MOUSE PAD TEST LCD PIXELS MODE TEST MAGNETIC SWITCH TEST LAN TEST RTC TEST BUTTON TEST 1 HDD Test RDMI Test WDMI Test HDCP KEY CHECK The diagnostics USB disk A formatted working diskette for the floppy disk drive test Floppy Disk Drive Test A LAN loopback Satellite L550 ProL550 Series Maintenance Manual Series T amp D 3 3 Tests and Diagnostics 3 2 Executing the Diagnostic Test DOS is required to run the DIAGNOSTICS PROGRAM
30. 4 Replacement Procedures Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply amp 2 to the text that you want to appear here Installing the LCD bezel Install the LCD bezel assembly according to the following procedures 1 Reroute the LVDS and antenna cables behind the LCD hinges Figure 4 38 Reroute the cables 2 Seat the LCD bezel assembly in the correct position Satellite L550 Maintenance Manual 4 50 Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply 2 to the text that you want to appear here 4 Replacement Procedures 3 Press the bezel hinge wall against the cover hinge wall as shown in Figure 4 39 Figure 4 39 Pressing the bezel hinge wall 4 Press the bezel downside hook near the hinge wall as shown in Figure 4 40 Figure 4 40 Pressing the bezel downside hook Satellite L550 Maintenance Manual 4 51 4 Replacement Procedures Error Use the Home tab to apply 88 2 to the text that you want to appear here Error Use the Home tab to apply amp 2 to the text that you want to appear here 5 Press the left and right side of the bezel as shown in Figure 4 41 Figure 4 41 Pressing the left and right side of the bezel 6 Press the bezel upside hooks as show
31. COVER 2 5 3 0Kgf cm MB 2 5 HDD H 10 2mm MAA000012G0 2 CONNECTOR TO 1 5 2 0Kaf cm M2x5 MAA000012G0 it CONNECTORTOMB 1 572 0 2 5 EXPRESS CARD MAA000012G0 it 2 EJECTOR TO MB 1 5 2 0Kgf cm M2x3 BZn MDC CARD TO MB MA0000060G0 B STANDOFF BTO BTO 1 2 1 5Kgf cm M2 5x4 BZn WLAN CARD TO MB MA0000061GO STANDOFF 2 0 2 5Kgf cm 2 5 4 BZn VGA BOARD TO MB 0000061 0 2 0 2 5Kgf cm ODD BOARD ASSY M2x5 NI ODD MAA000012G0 2 4 5 1 5 2 0Kgf cm R TO ODD BOARD THERMAL MODULE M2x5 00001200 THERMAL FAN 8 LOW SPRING CPU THERMAL SINK 077000 00 SCREW TOCPU PLATE 2 0 2 5Kgf cm SPRING VGA THERMAL SINK MA0000096G0 SCREW 2 TO VGA PLATE BTO 2 0 2 5Kgf cm HDD ASSY M3x3 BZn HDD BRACKET TO MCDK03030G0 mis HDD 2 0 2 5Kgf cm ODD ASSY M2x3 BZn ODD BRACKET TO 000006000 s 8 ODD MODULE 1 2 1 5Kgf cm SatelliteL550 ProL550 Series Maintenance Manual CONFIDENTIAL LOG UP 2 BZn FUNCTION PCB TO MA0000060G0 1 2 1 5Kgf cm 2 5 4 BZn TP BRACKET TO LOG 000006100 up 2 0 2 5Kgf cm 2 5 4 BZn TP BOARD TO TP 000006100 BRACKET 2 0 2 5Kgf cm LOG LOWER ASSY MA0000061G0 ign 8411 RIGHT TOP25 3 0kgt om M2 5x4 BZn SA
32. Cw e vs m ws wo pon vs 0 Ls ve ws o m vs 0 ws o vs 0 Table C 15 SODIMM I F pin assignments 200 PIN 4 4 Pme Sigrainame vo Pin No 10 ws o we Ter ws we vs 0 ws o m vs 0 nc r 10 o m vs 0 CONFIDENTIAL Liverpool 10M 10MG Maintenance Manual s o m vs m v o wo ow Tio ee NGA vo o C 16 JLINE Table C 16 HEADPHONE Connector pin assignments 6 pin Sunaname 10 1 GNDA 2 HPLL HPRL 4 NBA PLUG GNDA 6 NC 17 Table C 17 Internal Microphone Connector pin assignments 2 pin ewe sme INT MIC 2 GNDA C 18 JKB1 Table C 18 Keyboard Connector pin assignments 34 pin we suene Sante 1 NUM_LED CAPS_LED 4 3 5 KSI1 6 KSI6 Liverpool 10M 10MG Maintenance Manual CONFIDENTIAL C 11 11 13 15 17 19 21 23 25 27 29 31 33 19 JREAD KSI5 KSI4 KSI2 KSO15 KSO11 KSO9 KSO13 KSO6 KSO5 KSO4 KSO1 NC KSO17 KSO16 10 12 14 16 18 20 22 24 26 28 30 32 34 KSIO KSI3 KSI7 KSO12 KSO10 KSO8 KSO7 KSO14 KSO3 KSOO KSO2 NC NC 3 5 Table C 19 CARD
33. Error Use the Home tab to apply amp 2 to the text that you want to appear here 3 Remove two M2 5x4 screws and unhook three tabs from the top of the keyboard M2 5x4 2 Figure 4 9 Removing screws and releasing hooks from the keyboard 4 Lift the keyboard up and detach the cable on the back of the keyboard from the motherboard Satellite L550 Maintenance Manual 4 20 Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply 2 to the text that want to appear here 4 Replacement Procedures TOSHIBA 0 qe Figure 4 10 Removing the keyboard Installing keyboard Cover and Keyboard Install the keyboard cover and keyboard according to the following procedures 1 Attach the cable on the back of the keyboard to the motherboard and place the keyboard in the correct position Secure the keyboard with two M2 5x4 screws and click into place three tabs at the top of the keyboard Place the keyboard cover in the correct position then press the cover down from the middle to the left side making sure the hooks on the back of the cover are securely in the laptop Press down the cover on the right side to make sure the hooks on the back of the cover are fi
34. 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 Satellite L550 Satellite L555 Satellite L557 Satellite Pro L550 47 2 Troubleshooting Procedures 2 20 HDMI Troubleshooting START D Perform HDMI connection check Procedure 1 X wae d Nem oes replacemen Replace HDMI cable cable properly k s No Perform HDMI set check Procedure 2 Use different HDMI functioning ok HDMI set No Y Replace system board Figure 2 19 HDMI troubleshooting process To determine if the computer s HDMI port is functioning properly perform the following procedures Figure 2 7 outlines the process Start with Procedure 1 and continue as instructed Procedure 1 HDMI connection check Procedure 2 HDMI set check Satellite L550 Satellite L555 Satellite L557 Satellite Pro L550 48 2 Troubleshooting Procedures Procedure 1 HDMI connection check The HDMI cable may be damaged or the connections may be loose Use windows application to check device can work fine or not Perform Check 1 Check 1 Check 2 Check 3 Make sure HDMI cable is firmly plugged into both the HDMI set and the HDMI port of the computer If the cable is connected correctly go to Check 2 Make sure the HDMI port is firmly secured to the system
35. Refer to Chapter 3 item LAN TEST 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 Bluetooth system is functioning properly Procedure 2 connection check The LAN cable may be damaged or the connections may be loose Perform Check 1 Check 1 sure LAN cable is firmly plugged into both the LAN set and the LAN port of the computer If the cable is connected correctly go to Check 2 Check 2 Make sure LAN port is firmly secured to the system board of the computer If the malfunction remains go to Check 3 Check 3 The LAN cable may be damaged Replace with a good cable If the malfunction remains go to Procedure 2 Procedure 3 set check The LAN set may be faulty Perform Check 1 Check 1 Try using the set for LAN reception If it does not work set may be damaged If the set does work perform Check 2 Check 2 Try connecting a different LAN cable to the computer If the replacement LAN cable 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 Satellite L550 Satellite L555 Satellite L557 Satellite Pro L550 39 2 Troubleshooting Procedures 2 16 MIC Troubleshooting START Perform diagnostic test Procedure 1 MIC is not faulty Continue troubl eshoot
36. creating a danger of a short circuit which could cause overheating smoke or fire If you replace the battery pack or RTC battery be sure to use only the same model battery or an equivalent battery recommended by Toshiba Installation of the wrong battery can cause the battery to explode Satellite L550 ProL550 Series Maintenance Manual iii The manual is divided into the following parts Chapter 1 Hardware Overview describes the Satellite Series system unit and each FRU Chapter 2 Troubleshooting Procedures explains how to diagnose and resolve FRU problems Chapter 3 Test and Diagnostics describes how to perform test and diagnostic operations for maintenance service Chapter 4 Replacement Procedures describes the removal and replacement of the FRUs Appendices The appendices describe the following Handling the LCD module Board layout Pin assignments Keyboard scan character codes Key layout Screw torque list Reliability 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 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 Satellite L550 ProL550 Series Maintenance
37. gt ENTER 25 Yugoslavian YU Keyboard ld a D Sa s x ENTER LT ENTER ele m Lm EI SatelliteL550 ProL550 Series Maintenance Manual CONFIDENTIAL E 13 26 Norwegian NW Keyboard lt I a s rep B ve D F ENEI Pirie T ERI AA zia EI T TE AED 27 Scandinavian ND Keyboard TII lt 79 Ui Va 1 wor 4 m O E A ENTER SatelliteL550 ProL550 Series Maintenance Manual
38. DVD Super Multi Drive Specifications 1 10 Table 1 3 Quick Normal Charging Time eode tee stb lie 1 13 Satellite L550 Maintenance Manual 1 Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply 2 to the text that you want to appear here 1 Hardware Overview 1 1 Features The Toshiba Satellite L550 L550D is a full size PC notebook equipped with a Dual Core Processor providing high speed processing capabilities and advanced features The computer employs a lithium ion battery that allows it to be battery operated for long periods of time The display uses 17 3 inch WXGA LCD panel Many features can be Built To Order BTO to customize the system for each user The computer has the following features 0 Processor The computer is equipped with one of the following Intel processors E Intel Dual Core 2 Duo Processor m Intel Penryn Celeron Processor Support Memory The computer has two SODIMM slots which come standard with 512MB 1GB 2GB 4GB accepting for your memory requirements It can incorporate up to either 4GB or 8 GB of main memory depending on the models It supports DDR2 at 667MHz and 800MHz Battery Pack The computer is powered by one rechargeable and removable lithium ion battery pack The capacity can be either 3 cell 6 cell or 12 cell depending on the model
39. L550 Maintenance Manual 4 39 4 Replacement Procedures Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply amp 2 to the text that you want to appear here 4 16 ODD Board Removing the ODD Board Remove the ODD board according to the following procedures and Figure 4 28 1 Remove two M2x5 screws that secures the ODD board to the logic lower assembly 2 Detach the ODD cable from the motherboard and remove the ODD board from the logic lower assembly M2x5 2 Figure 4 28 Removing the ODD Board Installing the ODD Board Install the ODD board according to the following procedures 1 Seat the ODD board in the correct position on the logic lower assembly 2 Connect the ODD cable to the motherboard Secure the ODD board to the logic lower assembly with two M2x
40. L550 ProL550 Series Maintenance Manual Series T amp D 27 3 Tests and Diagnostics Input Password is wrong ARE YOU INPUT PASSWORD AGAIN N The screen will display as below picture to show the subtest is passed or failed when finished If it is show the picture as below it means HDD function is OK Hard disk test tools 01 72 Compal STD TIF xxx Mode Cylinders 16383 Mode Head 16 Mode Sectors 63 Mode Sizes 8455 MB Mode Sectors 488397168 Mode Sizes 258859 Random R W 188 sectors Sequential R H 188 sectors Verify Sectors 488397168 C H S 38481 255 63 Sectors Verify PASS YOU TEST 0 1 If the picture shows as below it means he HDD function is NG 28 Satellite L550 Satellite L555 Satellite L557 Satellite ProL550 Series T amp D 3 Tests and Diagnostics Hard disk test tools 01 60 Compal STD TTF xx Error t Can t use Enhanced Disk Drive Support Function ARE YOU TEST 0 1 3 17 Read DMI Compal write Toshiba Part No version Toshiba Serial No Serial No Product Name OEM string and UUID If you want to double check the DMI data please select Read DMI item the figure below will be displayed Satellite L550 ProL550 Series Maintenance Manual Series T amp D 29 3 Tests and Diagnostics anufacturer TOSHIBA roduct Satellite A355D Number 8116579 ersion PSRLEU 884885 Asset_Number UID BCB4768B8CE211DD8R588B1EEC4BR
41. NK 12 LAN_ACTIVITY 14 LANGND Table C 14 USB B Connector pin assignments 12 pin same 10 T 19 USB_VCCA 3 USB_VCCA 5 NC 74 USB20_N0_R 9 GND 11 USB20_P1_R 15 JDDRL JPDDRH USB_VCCA USB_VCCA GND USB20_P0_R USB20_N1_R GND Table 15 SODIMM assignments 200 1 4 suene vo VREF VSS DQO 001 VSS C Liverpool 10M 10MG Maintenance Manual 2 4 004 6 005 8 VSS O 10 DMO CONFIDENTIAL C 7 11 0050 12 VSS O 13 DQS0 14 006 15 VSS O 16 DQ7 17 002 18 VSS O 19 DQ3 20 0012 21 VSS O 22 DQ13 23 008 24 VSS 25 009 26 DM1 27 VSS 28 VSS O 29 DQS1 30 CKO 31 DQS1 32 CK0 Table 15 SODIMM I F pin assignments 200 PIN 2 4 CONFIDENTIAL Liverpool 10M 10MG Maintenance Manual m ws o w ws o m w o pee Table C 15 SODIMM I F pin assignments 200 PIN 3 4 Pinno Sigrainame vo Pinno vo Cw wes t e o m we o ow w 0 wo o n vo 0 wo _ m vo wan vo o sc ws o we vs 0 Liverpool 10M 10MG Maintenance Manual CONFIDENTIAL C 9 vs o Tier pos z vs 0 m vs o pos 10
42. One Audio out port Headphone out Line out Internal Microphone with Internal Camera MIC with echo cancellation Volume control Digital control Microsoft inbox audio driver support Hardware EQ support Wireless LAN Controller Atheros 802 11 b g HB95 1 1 b g n HB93 2x2 a b g n HB92 2x2 B Realtek 802 11 bg 8187SE B WPS supported Satellite L550 Maintenance Manual 1 9 1 Hardware Overview Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply amp 2 to the text that you want to appear here 1 2 2 5 inch HDD The computer contains an extremely low profile and lightweight high performance HDD The HDD incorporates a 9 5 mm magnetic disk and mini Winchester type magnetic heads The HDD interface conforms to Serial ATA Storage capacities supported are 120 160 200 250 and 320 GB The HDD is shown in Figure 1 2 and some of its specifications are listed in Table 1 1 Figure 1 2 SATA HDD Table 1 1 HDD Specifications Item x Capacity GB GB cB GB X0GB GB 250 GB 320G r Speed 5400 RPM 5400 7200 RPM 7200 RPM 5400 RPM 5400 7200 RPM Height osm O 95mm osm 9 5 mm 9 5 mm 234 441 648 312 581 808 390 721 968 488 397 168 625 142 448 Bytes Sector Sector Satellite L550 Maintenance Manual 1 10 Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Ho
43. Procedure 1 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 Amber solid on Battery charging with AC green solid on Battery fully charged by AC Amber color off Battery abnormal stop charging with AC Bad cell Overheated Amber blinking Battery within low state 12 minutes LED on for 1 second amie every 4 seconds Amber blinking Battery within critical low state 3 LED on for 1 second minutes remaining The system is protected and cannot be re powered on without the AC power connected every 2 seconds Amber color off Battery not in low or critical low state It s in discharging state Satellite L550 ProL550 Series Maintenance Manual 10 2 Troubleshooting Procedures Table 2 2 DC IN LED DC IN LED Power supply status Solid on AC power exists LED is 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 Procedure 2 Adaptor battery replacement A faulty adaptor may not supply power or may not charge the battery Perform Check 1 Check 1
44. Remove two M2 5x4 screws on the VGA board and remove the board from its slot on the motherboard M2 5x4 2 Figure 4 30 Removing the VGA Board Installing the VGA Board and Thermal Module Install the VGA board and Thermal Module according to the following procedures Satellite L550 Maintenance Manual 4 42 Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply 2 to the text that you want to appear 4 Replacement Procedures 1 Reapply Shinetsu 7762 grease on the thermal module as shown in Figure 4 31 If you use a new thermal module remove any release papers from the thermal pads first Thermal pad Thermal pad Figure 4 31 Reapply Shinetsu 7726 grease on the thermal module and remove any release papers NOTE When thermal pad needs to be changed please paste it in the location indicated in Figure 4 31 2 Seat the VGA board on the motherboard and secure it with two M2 5x4 screws 3 Seat the thermal module in the correct position on the motherboard and secure it with six spring screws according to the number sequence sealed on the thermal module Satellite L550 Maintenance Manual 4 43 4 Replacement Procedures Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply amp 2 to the text that you want to appear here 4 18 CPU Removing the CPU Remove the CPU according to
45. Replacement Procedures 4 1 General This chapter explains how to disassemble the laptop and replace Field Replaceable Units FRUs Some replacement procedures may not require you to remove all the surrounding FRUs to replace only one FRU The chart below shows the FRUs in the order in which they should be removed in a top down manner irrespective of their physical locations The FRUs shown in the top area of the chart should normally be removed before removing the FRUs shown in the bottom area To replace the FRUs first identify the suspect FRU for the system failure Next according to this chart determine the FRUs that need to be removed before removing the suspect FRU After you determine those FRUs go to the appropriate sections according to the section numbers shown in the boxes Then start removal and replacement Satellite L550 Maintenance Manual 4 4 Replacement Procedures Error Use the Home tab to apply 88 2 to the text that you want to appear here Error Use the Home tab to apply amp 2 to the text that you want to appear here 4 2 Battery 4 3 HDD 4 4 Memory 4 8 Function Board 4 5 ODD 4 6 Keyboard Cover 4 9 Bluetooth Card and Keyboard 4 10 Touch Pad Button Board and Bracket 4 7 Logic Upper Assembly 4 12 Display 4 11 Assembly 4 13 Thermal Fan 4 14 Motherboard 4 15 USB Board 4 16 ODD Board 4 21 LCD Bezel Assembly 4 17 Thermal Module 4 22 LCD Module a
46. Satellite L550 Maintenance Manual 4 9 4 Replacement Procedures Error Use the Home tab to apply 88 2 to the text that you want to appear here Error Use the Home tab to apply amp 2 to the text that you want to appear here Installing the Battery Pack Install the battery pack according to the following procedures CAUTION The battery packs contain a lithium ion battery which can explode due to improper replacement use handling or disposal Always dispose of the battery packs as required by local ordinances or regulations Use only replacement batteries recommended by Toshiba NOTE Visually check the battery s terminals If they are dirty clean them with a dry cloth 1 Gently insert a new or recharged battery pack into place Check that the battery release latch slides in and stops with a click 2 Slide in the battery lock Satellite L550 Maintenance Manual 4 10 Error Use the Home tab to apply 2 to the text that want to appear here Error Use the Home tab to apply 2 to the text that you want to appear here 4 Replacement Procedures 4 3 HDD Removing the HDD CAUTION Do not press on the top or bottom of the drive Applying such pressure can either corrupt the data in the drive or damage the drive Remove the HDD hard disk drive according to the following procedures and Figure 4 2 and 4 3 1 To remove the HDD remove one M2 5x6 HDD door screw that secures the HDD and then remove the HD
47. Tightening Torque To secure screws follow the torque values listed below Over tightening can damage components and screws Under tightening can loosen the screw or cause screws to come off which may result in short circuits or other damage M2 2 mm 0 22 2 2 kgf 2 5 2 5 mm 0 36 N 3 5 M3 3 mm 0 51 5 0 M2 5x4 PSP TITE screws 0 204 N m 2 0 kgf cm M2 5x6 GIZA TITE screws 0 36 3 5 cm Satellite L550 Maintenance Manual 4 7 4 Replacement Procedures Error Use the Home tab to apply 88 2 to the text that you want to appear here Error Use the Home tab to apply amp 2 to the text that you want to appear here Colors of Screw Shanks For easy identification of the correct screws the screw shanks are colored according to their lengths as follows Screws of an odd numbered length Blue Screws of a special length Black Screws of a special length are those of a length having decimal places eg 2 5 mm Symbols of Screws on the Laptop Body For easy maintenance the screw types are shown on the laptop body as symbols A symbol consists of a letter representing the screw type and a numeral representing the screw length Screw type Letter Bind screw stands for bind Flat head screw F stands for flat head Super flat head screw S stands for super flat head Tapping screw T stands for tapping L Other screws U stand
48. To start the DIAGNOSTIC PROGRAM follow these steps Insert the diagnostics USB disk drive and turn on the computer The diagnostics diskette contains the Free DOS boot files And then follow the instructions for T amp D program installed in USB driver The T amp D Program can run single test by you press corresponsive English letter of test item and it also asks you if you like to copy test log file to USB disk as reference at the end of test s The test list is as the following A CONFIG CHECK TEST B Audio sound TEST FAN ON OFF TEST MAIN BATTERY TEST FDD TEST Memory check KEYBOARD TEST MOUSE PAD TEST LCD PIXELS MODE TEST MAGNETIC TEST LAN TEST RTC TEST BUTTON TEST 14 HDD Test RDMI Test WDMI Test HDCP KEY CHECK S x c Eum Emu ga 4 Satellite L550 Satellite L555 Satellite L557 Satellite ProL550 Series T amp D 3 Tests and Diagnostics The below display will show up at the beginning of T amp D program Sunderland 10M 10NG Function T amp D MENU ee ____ If the test result passes the following display will show up ress any key to continue Satellite L550 ProL550 Series Maintenance Manual Series T amp D 3 Tests and Diagnostics If an error is detected and a test fails the following message displays IP il JC IL ress any key to continue Then press any key for next actions the below display presented if copying test log file onto
49. any key to continue ait for zero counter Testing DOS TIME 22 33 48 4 81228 4 CMOS TIME 22 33 48 8122888 DOS DATE 99 19 2882 CMOS DATE 89 19 2882 DATE amp TIME test PASS 1 ress any key to continue 24 Satellite L550 Satellite L555 Satellite L557 Satellite ProL550 Series T amp D 3 Tests and Diagnostics 3 15 BUTTON TEST NOTE Only for five buttons SKU The tool for five buttons SKU the Screen would display as below Please Check the result after test the tool only for five button SKU ress any key to continue Satellite L550 ProL550 Series Maintenance Manual Series T amp D 25 3 Tests and Diagnostics Mechanical type buttons x 4 to relate with above showed BUTTON Play Pause button BUTTON B FR BUTTON C BUTTON D Mute 3 16 1 HDD Test The HDD test allows the user to verify the 1 HDD ok or not First please select HDD test method Screen would display as below 26 Satellite L550 Satellite L555 Satellite L557 Satellite ProL550 Series T amp D 3 Tests and Diagnostics HDD TEST 1 HDD test all surface 2 Partial Random 1 217 After you select the method then input password hard disk if input password is Right the screen would display as below Imput passuord is Right Press amu keu to Test HDD fumctiom ress any key to continue If input password is wrong the screen would display as below Satellite
50. 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 CONFIDENTIAL Satellite A350 Series Maintenance 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 module so guard against damage from electrostatic discharge Be sure to wear a wrist or ankle grounding device when handling the module Satellite A350 Series Maintenance Manual CONFIDENTIAL A 3 7 Do not expose the module to direct sunlight strong ultraviolet rays for long periods 8 Do not store the module at temperatures below its specifications Cold can cause the liquid crystals to freeze lose their elasticity or otherwise suffer damage Q 9 Do not disassemble the LCD module Disassembly can cause malfunctions A 4 CONFIDENTIAL Satellite A350 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 Satellite A350 Series Maintenance Manual CONFIDENTIAL 5 Appendix Board Layout B 1 System Board Top View JPOWER JSPK Figure B 1 System Board Layout Top
51. board of the computer If the malfunction remains go to Check 3 The HDMI cable may be damaged Replace with a good cable If the malfunction remains go to Procedure 2 Procedure 2 HDMI set check The HDMI TV set may be faulty Perform Check 1 Check 1 Check 2 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 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 Satellite L550 Satellite L555 Satellite L557 Satellite Pro L550 49 2 Troubleshooting Procedures 2 21 E SATA Troubleshooting START Perform E SATA device check Procedure 1 Is E SATA transmission ok Yes Perform diagnostic check Procedure 2 E SATA port and No transmission are not Was an E SATA problem detected faulty Continue troubleshooting refer to Figure 2 1 Yes Perform connection and replacement check Procedure 3 Replace system board END Figure 2 20 E SATA troubleshooting process To determine if the computer s E SATA system is functioning properly perform the following procedures Figure 2 24 outlines the process Start with Procedure 1 and c
52. damaged or the connections may be loose Use windows application to check device can work fine or not 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 Make 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 Modem 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 Satellite L550 Satellite L555 Satellite L557 Satellite Pro L550 45 2 Troubleshooting Procedures 2 19 Express ca
53. diskette is necessary This action will be executed when key pressed Sunderland 10M 10NG Function T amp D MENU A CONFIG CHECK TEST J Magnetic Switch B AUDIO sound TEST K LAN TEST TEST L RTC TEST BATTERY TEST M BUTTON TEST E FDD TEST N ist HDD TEST F Memory check 0 Read DMI G KEYBOARD TEST P Write DMI H MOUSE PAD TEST Q HDCP Key Check Z save LOG to Floppy KTWAA T amp D Function test Ver 1 0 02009 05 10 Please select a test item _ 6 Satellite L550 Satellite L555 Satellite L557 Satellite ProL550 Series T amp D 3 Tests and Diagnostics It will skip this process if N key pressed And then it will check if it s necessary to leave this program Program will quit when Y key pressed and it will go back main menu for next test if N key pressed Sunderland 109 10 Function T amp D MENU Memory check 0 Read DMI G KEYBOARD TEST P Write DMI H MOUSE PAD TEST Q HDCP Key Check 2 LOG to Floppy KTWAA T amp D Function test Ver 1 0 02009 05 10 Satellite L550 ProL550 Series Maintenance Manual Series T amp D 3 Tests and Diagnostics 3 3 Display Configuration This Item will show the unit configuration It includes CPU CPU type DDRAM SIZE Panel ID HDDI type amp capacity Vendor ID Model Firmware VRAM size CHIP TYPE Battery cell 3cell 6cell 12cell Wireless type LAN Type Bluetooth The screen s
54. following the steps in Chapter 4 Replacement Procedures If the drive is still not functioning properly perform Check 3 Check 3 system board may be damaged Replace it with new one following instructions in Chapter 4 Replacement Procedures Satellite L550 Satellite L555 Satellite L557 Satellite Pro L550 54 Chapter 3 Tests and Diagnostics Satellite L550 ProL550 Series Maintenance Manual Series T amp D 3 Tests and Diagnostics 3 Tests and Diagnostics 3 1 The 2 32 ie DI naatc fee 4 3 3 NE 8 A 9 3 5 ONOFF IS Su _________ _______ 9 30 Mun Bater Ciara Test uui 11 F FDD T Ae M M 9 3 8 Memory Ue eR 14 3 9 Kei MEE RR X TRE 14 16 sI Os Pn Te eR 17 Tot uuu ku aaa a 18 LAN Telo _ ___ ______ 20 ONDES die n 23 3 15 SEM EAD oc 24 3 16 Tst HDDTESt uuu rura dq pte ee eek EU C AD KU M aa 25 Sel JP UNI 27 3195 28 3 19 HDCP Key uya 21
55. normally Disassemble or replace the ODD drive only if it fails Disassemble the ODD drive according to the following procedures and Figure 4 7 1 Remove two M2x3 screws 2 Remove the bracket Figure 4 7 Removing the bracket from the ODD drive Satellite L550 Maintenance Manual 4 17 4 Replacement Procedures Error Use the Home tab to apply 88 2 to the text that you want to appear here Error Use the Home tab to apply amp 2 to the text that you want to appear here Assembling the ODD Drive Assemble the ODD drive according to the following procedures 1 Seat the bracket in the correct position 2 Secure them with two M2x3 screws Satellite L550 Maintenance Manual 4 18 Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply 2 to the text that you want to appear here 4 Replacement Procedures 4 6 Keyboard Cover and Keyboard Removing the Keyboard Cover and Keyboard Remove the Keyboard Cover and Keyboard according to the following procedures and Figure 4 8 4 9 4 10 Use a flat head screwdriver and position it under the keyboard cover above the Scroll Lock key Apply leverage and lift the keyboard cover from the laptop 2 Remove the keyboard cover Figure 4 8 Removing the keyboard cover Satellite L550 Maintenance Manual 4 19 4 Replacement Procedures Error Use the Home tab to apply 2 to the text that you want to appear here
56. s toco e e 4 23 Removing the Function Board c steep Poe 4 23 Installing the function 4 23 4 9 Bl et th Card u nal asnapa tute ata d Ebr 4 24 Removing the Bluetooth Card etre 4 24 Installing the Bluetooth card oper eae aes 4 25 4 10 Touch Pad Button Board and Bracket ee dt tns 4 26 Removing the touch pad button board and bracket 4 26 Installing the Touch Pad Button board and 4 27 4 11 4 28 Removing Speakers e niet eer ee PE bet PETER UR 4 28 Installing the Speakers cioe ed been pite oreet b T en 4 28 4 12 Display Assembly 4 29 Removing the Display Assembly 4 29 Installing the Display Assembly ueteri lie 4 30 4 13 Thermal Pati seen a to iet 4 31 Removne the Thermal tinte 4 31 Installing the Thermal Eat oec pte 4 31 4 14 u t 4 32 Removing the Motherboatrd 4 32 Installing the Motherboard attese d 4 34 4 15 USB Board o Saa naan matt ee 4 36 Removing the USB Board E RS 4 36 Installing the aucti eee bien ete 4 36 4 16 ODD dan
57. the RAM type is ok Y N1 3 9 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 US for America 2 J Japan for Japan 14 Satellite L550 Satellite L555 Satellite L557 Satellite ProL550 Series T amp D 3 Tests and Diagnostics 3 K UK for Europe 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 black as shown below It will indicate whether the sub test is passed or failed after the question US Keyboard Keyboard pad sequential test ECQ60 Keyboard Test Program Del End TITI IIT TITI OP 9 3 4 5 6 Shift E __ Space Bar 14 Win Ctl e gt Press lt Fn Up gt and lt Fn Down gt key hank you very much ARE YOU TEST EA Satellite L550 ProL550 Series Maintenance Manual Series T amp D 3 Tests and Diagnostics Japan keyboard Version 1 68 4 pad sequential test 31D 88 Key JAPAN matrix 46 p ILI DI III JUI Paull 8 Ins Del End PgD 02 04 05 06 aaa U Ta 8 EN E __ ___
58. 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 Satellite L550 ProL550 Series Maintenance Manual 12 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 1 Use a multi meter to make sure that the fuses on 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 be damaged Replace it with a new one following the instructions in Chapter 4 Satellite L550 ProL550 Series Maintenance Manual 13 2 Troubleshooting Procedures 2 4 Display T
59. 0 Satellite L555 Satellite L557 Satellite Pro L550 34 2 Troubleshooting Procedures The HDD or system board may be the reason of a HDD fault Either of these two components may be damaged To determine if the computer s HDD 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 HDD R W 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 HDD function is functioning properly Procedure 2 Connector and replacement check The HDD module 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 that the HDD module is securely slotted into the system board If the problem persists go to Check 2 Check 2 HDD module 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 system board may be damaged Replace it with a new one following the instructions in Chapter 4 Satellite L550 Satellite L555 Satellite L557 Sat
60. 0 100 It employs a Realtek 8103EL for 10 100 LAN It is pre installed as a standard device in some markets Wireless LAN Some computers in this series are equipped with a Wireless LAN WLAN card This WLAN module may come with the following types depending on the model Atheros 802 11 b g HB95 Ix1n b g n HB93 2x2 a b g n HB92 2x2 m Realtek 802 11 bg 8187SE Internal Modem Some models are equipped with an integrated modem The integrated modem provides capability for data and fax communications that support the 90 V 92 standards and includes a modem jack for connection to the telephone line Please note that both the V 90 and V 92 standards are only supported in the USA Canada United Kingdom France Germany and Australia only the V 90 standard is supported in other regions You should also be aware that the speed of data and fax transfer will depend on the analog telephone line conditions The integrated model is only installed as a standard device in some markets This internal modem comes with MDC 1 5 solution Azalia interface Bluetooth Some computers in this series offer Bluetooth wireless communication functionality which eliminates the need for cables between electronic devices such as computers and printers When implemented Bluetooth provides wireless communication in a small space This module is Version 2 1 EDR Antenna on Module type ie Tos
61. 118 DEM Strings PSRLEU BB84BB85 SQUBB4886UB84 11040 Are the DMI data is DK 1 3 18 Write DMI When you want to write DMI data please select which data you want to write the figure below will be displayed 1 Write OME string 2 Write Version 3 Wirite Serial 4 Write Product 30 Satellite L550 Satellite L555 Satellite L557 Satellite ProL550 Series T amp D 3 Tests and Diagnostics please choice the item 1 Write OEM String 2 Write Version 3 Write Serial 4 Write Product please enter the num you choose After write OK you should reboot the system that can make the setting effective or you can write next data before reboot system the figure below will displayed Satellite L550 ProL550 Series Maintenance Manual Series T amp D 31 3 Tests and Diagnostics please choice the item 1 Write OEM String 2 Write Version 3 Write Serial 4 Write Product lease enter the num you choose 1 lease enter the OEM String psmadk 811882 odify OEM String to psmadk B11BB2 ump to EEPROM Bank EEPROM Start Offset aB End Offset dd Size 62 ump to EEPROM Bank lash EEPROM Start Offset onfirm the data odify EM String success xxxxxxPlease reboot the system To make the setting effective xxxxxxxxDlo you want to modify other dmi xxxxxxxxxxxxxxx ress Y for Yes or for No NOTE should input correct DMI data and should reboot the system that can make the setting effe
62. 3G5 Removing the LCD Bezel Assembly 4 45 Figure4j36 Taking out the 4 46 Figure 4 37 _ Removing the bezel from the hinge 4 46 00030015 T TRITICI 4 47 Figure 4 39 Pressing bezel hinge wall 4 48 Figure 4 40 Pressing the bezel downside hook 4 48 Figure 4 41 Pressing the left and right side of the bezel 4 49 Figure 4 42 lt Pressing the bezel upside hooks 4 49 Figure 4 43 Removing the LCD Module from the LCD cover assembly 4 50 Figure 4 44 _ Removing the LCD Hinge Assembly 4 51 Fig re 443 the LVDS 6 4 52 Figure 4 46 Installing the LCD Hinge Assembly 4 53 Figure 4 47 Removing the LCD Module from the LCD cover assembly 4 54 Figure 4 48 _ Removing the CMOS board and Microphone 4 55 Satellite L550 Maintenance Manual 4 vi Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply 2 to the text that you want to appear here 4
63. 5 Figure 4 36 Figure 4 37 Figure 4 38 Figure 4 39 Figure 4 40 Figure 4 41 Figure 4 42 Figure 4 43 Figure 4 44 Removing the function board S 4 23 Removing the Bluetooth 4 24 Removing the screws from the touch pad button 4 26 Removing the touch pad 4 27 Removing THE 4 28 Removing the display assembly HERE 4 29 Removing the hinge brackets c ette ea iene 4 30 Removing the thermal fan from the logic lower assembly 4 31 Removing the motherboard from logic lower assembly 4 32 Removing the DC IN connector and cable 4 33 Picking up th motherboard 4 34 Aligning the motherboard connectors 4 35 Installing the DC IN 4 36 Removing the USB 4 37 Removine the ODD Board ue ttem Ern E Er Tete E BH HU eee 4 38 Removing the Thermal Module uo rr curte 4 39 Removing the VGA Board derat e five deren con n ae eei pti Reapply Shinetsu 7726 grease on the thermal module and T
64. 5 screws Satellite L550 Maintenance Manual 4 40 Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply 2 to the text that you want to appear here 4 Replacement Procedures 4 17 Thermal Module and VGA Board Optional Removing the Thermal Module and VGA Board Remove the thermal module and VGA board according to the following procedures and Figure 4 29 4 30 CAUTION When removing the thermal module and VGA board keep the following in mind 1 The unit can become very hot during operation Be sure to let it cool down before starting the repair work Use care when removing and disassembling the unit in order to avoid damage If you remove the thermal module please use soft cloth with alcohol to clean the VGA board and the thermal module Reapply Shinetsu 7762 grease before installing the thermal module If you use one new thermal module please make sure to remove the release paper first 1 Remove six spring screws securing the thermal module to the motherboard according to the number sequence sealed on the thermal module 2 Remove the thermal module from the motherboard 5 4 162 3 Satellite L550 Maintenance Manual 4 41 4 Replacement Procedures Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply amp 2 to the text that you want to appear here Figure 4 29 Removing the Thermal Module 3
65. 7 TERMES n Yes If the password message displays type the password then press Enter _Is Poshi Windows XP amp Vista being loaded 7 Yes gt No 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 Power Supply Troubleshooting procedures in section 2 3 Figure 2 1 Troubleshooting flowchart 1 2 Satellite L550 ProL550 Series Maintenance Manual 2 Troubleshooting Procedures Does typed characters appear correctly Insert USB memory disk Then run the diagnostics test program Is the diagnostics test loaded Ys Y Allow each test to perform automatically Is an error detected by any of the diagnostics tests No Y System is normal End No No Perform the Keyboard Troubleshooting procedures in section 2 6 Perform the FDD Troubleshooting procedures in section 2 5 gt After confirming which diagnostics test has detected an error perform the appropriate procedure as outlined below Figure 2 1 Troubleshooting flowchart 2 2 Satellite L550 ProL550 Series Maintenance Manual 2 Troubleshooting Procedures If the diag
66. C memory cards It supports high speed SD and SDHC This model does not support CF SmartMedia cards xD or Memory Stick Duo cards Sound system The integrated sound system is composed of two Realtek Azalia internal speakers an internal microphone with internal camera and standard Microphone IN and Headphone OUT ports Internal Camera It supports 0 3M and 1 0M pixels with Auto Macro and comes with a blue LED indicator An internal microphone is BTO with the internal camera and includes echo cancellation The camera is not a rotation type Headphones Line out Jack This jack connects digital speakers or stereo headphones 16 ohm minimum When connected to digital speakers or headphones the internal speaker is automatically disabled Microphone Line in Jack A 3 5mm mini microphone jack enables connection of a three conductor microphone for monaural input and also enables the connection of a stereo device for audio input HDMI Out Port The HDMI 1 3 out port can connect with a Type A connector HDMI cable The HDMI out Satellite L550 Maintenance Manual 1 4 Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply 2 to the text that you want to appear here 1 Hardware Overview port can send SD and HD video audio signals LAN The computer has built in support for 10 100 Ethernet LAN 10 100 megabits per second 1
67. CD panel and secure it with six M2x2 5 screws according to the sequence indicated in Figure 4 46 M2x2 5 6 Figure 4 46 Installing the LCD Hinge Assembly Satellite L550 Maintenance Manual 4 56 Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply 2 to the text that you want to appear here 4 Replacement Procedures 5 Seat the LCD module in the correct position in the LCD cover assembly and secure it to the LCD cover assembly with four M2 5x6 screws according to the sequence indicated in Figure 4 47 2 1 M2 5x6 4 1 2 LOE zo 9 m P g Figure 4 47 Removing the LCD Module from the LCD cover assembly Satellite L550 Maintenance Manual 4 57 4 Replacement Procedures Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply 2 to the text that you want to appear here 4 23 CMOS Board and Microphone Optional Removing the CMOS Board and Microphone Remove the CMOS Board and microphone according to the following procedures and Figure 4 48 1 Disconnect the CMOS cable from the CMOS module connector and remove the CMOS board Figure 4 48 Removing the CMOS board and Microphone 2 Lift the microphone cable from the LCD cover assembly
68. Codec AMP DC 1 5 Conn H ALC272 TPA6017 Debug un ENE D2 29 30 oz Eg gt ES Touch Pad Int KBD sPi 26 34 33 CONN CONN CONN 30 30 30 30 Power Circuit DC DC page 36 37 38 39 40 41 42 Security Classification Compal Secret Data Compal Electronics Inc Issued Date 2009 02 26 Deciphered Date 2010 02 28 Tre Block Diagrams ND TRADE SECRET INFORMATION TM SHEET MAY NOT BE TRANSFENED FROM THE CUSTODY OF THE COMPETENT DIMBION OF RAD DEPARTMENT EXCEPT AS AUTHORIZED BY COMPAL ELECTRONICS NC NETHER THIS SHEET NOR THE INFORMATION IT CONTAINS KSWAA LA4981P MAY BE USED BY OR DISCLOSED TO ANY THIRD PARTY WITHOUT PRIOR WHITTEN CONSENT OF COMPAL ELECTRONICS NC FI Thursday February 28 2008 he of T Satellite L550 Maintenance Manual 1 7 1 Hardware Overview Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply amp 2 to the text that you want to appear here The system unit of the computer consists of the following components L Processor BTO The computer is equipped with one of the following Intel processors Intel Core Duo Processor Intel Core Solo Processor Intel Celeron Processor Memory T
69. 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 Satellite L550 ProL550 Series Maintenance Manual 11 2 Troubleshooting Procedures Procedure3 Power supply connection check The power supply wiring diagram is shown below AC adaptor cord AC power cord AC System Battery adaptor board 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 firmly secured to the system board of the computer e If the DC IN input socket is loose go to Procedure 5 If itis not loose go to Check 4 Use a multi meter to make sure that the AC adaptor output voltage is close to 19 V If the output is several percent lower than 19 V go to Check 5 If the output is close to 19 V go to Check 6 Connect a new AC adaptor or AC power cord e If the DC IN LED does not light go to Procedure 4 If the battery LED does not light go
70. D door Figure 4 2 Removing the HDD door 2 Remove the HDD pack by pulling on the tab attached to the pack NOTE Do not disassemble the HDD pack when it is working normally Disassemble or replace the HDD pack only if it fails 3 Place the HDD pack on a flat surface such as a desk Satellite L550 Maintenance Manual 4 11 4 Replacement Procedures Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply amp 2 to the text that you want to appear here 4 To separate the plate from the HDD remove four M3x3 screws M3x3 4 Figure 4 3 Removing the HDD plate CAUTION Do not apply pressure to the top or bottom of the drive Installing the HDD Install the HDD according to the following procedures CAUTION To avoid damage always hold the HDD only by its sides 1 Place the HDD into the HDD plate 2 Secure the HDD and its plate with four M3x3 screws CAUTION To prevent the HDD plate from being distorted when installing the HDD pack into the laptop do not press the center of the HDD pack Always hold the HDD pack by its sides Satellite L550 Maintenance Manual 4 12 Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home t
71. DD Test NOTE Before running the FDD test prepare a formatted work diskette 1 44 MB Need to insert FDD when power on machine Otherwise the Floppy can not be detected 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 12 Satellite L550 Satellite L555 Satellite L557 Satellite ProL550 Series T amp D 3 Tests and Diagnostics Testing Driver A 1 44 MByte 1 88 Head 2 Sec 18 1 Testing Seq seek verify Head 1 Track 79 PASS 1 Testing Fun seek verifuy Head B1 Track G6 Satellite L550 ProL550 Series Maintenance Manual Series T amp D 13 3 Tests and Diagnostics 3 8 Memory check This test will check if the computer s Memory Frequency and Size 1 correct in every slot COMPAL Electronic Inc Author STD SID TERM WARNING THIS PROGRAM IS FOR INTERNAL USE ONLY Copyright 2008 COMPAL Electronic Inc All rights reserved 512 0 1024 Speed 800 Manufacturer 1GA3700 SizeZ 2048 2 800 Manufacturer2
72. DDLE LEFT TOP TO MA0000061G0 aa 2 5 3 0Kgf cm SPEAKER SPEAKER TO MA000009KGO SADDIE 2 5 2 5Kgf cm SPEAKER SPEAKER L TO MA000009KGO L 2 5 2 5Kgf cm 000006190 Z 06 BOARD TO LOW 2 0 2 5Kgf om zw YAR 00001260 na H5 1000 BOARD TO LOW 1 5 2 0Kgf cm ER LOGIC ASSY M2 5x4 BZn 000006100 LOG LOW 2 0 2 5Kgf cm M2 5x6 BZn MA0000062G0 COD LANGE R TOlos sokgtcm M2 5x6 BZn MA0000062G0 ma gg COD LENSE 1 5 M2 5x6 BZn MA0000062G0 gg toe 5 3 oKgt cm RUE LOG LOW TO MB TO 5x6 BZn LOG UP 000006200 FRONT LEFT a 25 3 0Kgf cm FRONT MIDDLE SIDE M2 5x6 BZn LOG LOW TO LOG UP 000006200 FRONT RIGHT SIDE 2 5 3 0Kgf cm CLOSE ODD LOG LOW TO MB TO M2 5x6 BZn LOG UP 000006200 LEFT SIDE CLOSE 2 5 3 0Kgf cm FAN amp EXPRESS CARD LOG LOW TO MB TO M2 5x6 BZn LOG UP 000006200 MIDDLE SIDE cLOsE 2 5 3 0Kgf cm M2 5x4 BZn MA0000061G0 TO UP 5 2 5Kgt cm mmm LOG LOW TO USB 5x6 BZn BOARD TO LOG UP 000006200 RIGHT MIDDLE 2 5 3 0Kgf cm CLOSE HDD M2 5x6 BZn LOG LOW TO SADDLE _ 000006200 LOG UP LEFT 25 3 0Kgf cm F 2 CONFIDENTIAL Satellite A350 A350D Series Maintenance Manual SIDE 2 5 6 BZn LOG LOW TO SADDLE 000006200 ga g
73. EMOVE any release E caus avs s Enc Ere ant UR HEP e tes 4 40 Removing He CPU aetate viter ete beet reto t Para a on ede 4 41 Removing the WLAN p ret nec ban et els c 4 43 Removing the modem 4 44 Removing the LCD Bezel Assembly ret nr tata 4 45 Taking out the binge Wall y ant peii rr re torn Petri Uh ie 4 46 Removing the bezel from the hinge p ardt Latina 4 46 Reroute the cables SSS eK 4 47 Pressing the bezel hinge wall s nao pivot ear ina etie ie pub rnt ba tun 4 48 Pressing the bezel downside hook 4 49 Pressing the left and right side of the bezel 4 49 Pressing the bezel upside hooks ansehen eo 4 50 Removing the LCD Module from the LCD cover assembly 4 51 Removing the LCD Hinge 2 4 52 Satellite L550 ProL550 Series Maintenance Manual xi Figure 4 45 Figure 4 46 Figure 4 47 Figure 4 48 Appendices Appendix A Appendix B Appendix C Appendix D Appendix E Appendix F Appendix G Removing the LVDS ea Ble seno aen Chr e tte m EIN EE 4 53 Installing the LCD Hinge Assembly 4 53 Removing the LCD Module from the LCD cover assembly
74. FFBTN 2 KSOO 3 KSI1 4 KSI3 5 KSI5 6 KSI2 7 NC 8 NC 9 NC 10 GND Liverpool 10M 10MG Maintenance Manual CONFIDENTIAL C 17 24 JMDC Table C 24 MDC connector pin assignments 12 pin Penne sai 1 2 3VALW 3 HDA_SDOUT_MDC 4 NC 5 GND 6 3VALW 7 HDA_SYNC_MDC 8 GND 9 HDA_SDIN1_MDC 10 GND 11 HDA_RST MDC 12 HDA BITCLK MDC 25 JPCM Table C 25 Card Bus connector pin assignments 68 pin mw saranane uo me same T 2 S1 D3 3 51 04 4 51 05 5 51 06 6 S1_D7 7 S1_CE1 8 S1_A10 9 1_ 10 S1_A11 11 S1_A9 12 S1_A8 13 S1_A13 14 S1_A14 15 S1_WE 16 S1_RDY 17 S1_VCC 18 S1_VCC 19 S1_A16_R 20 S1_A15 21 S1_A12 22 S1_A7 23 S1_A6 24 S1_A5 25 S1_A4 26 S1_A3 27 S1_A2 28 S1_A1 29 S1_A0 30 S1_D0 31 S1_D1 32 S1_D2 33 51 34 GND 35 GND 36 S1_CD1 37 S1_D11 38 S1_D12 C 18 CONFIDENTIAL Liverpool 10M 10MG Maintenance Manual 39 41 43 45 47 49 51 53 55 57 59 61 63 65 67 Liverpool 10M 10MG Maintenance Manual S1_D13 S1_D15 S1_VS1 S1_IOWR S1_A18 S1_A20 S1_VCC S1_A22 S1_A24 S1_VS2 S1_WAIT S1_REG S1_BVD1 S1_D9 S1_CD2 40 S1_D14 42 51 CE2K 44 51 IORD 46 S1 A17 48 51 A19 50 51 A21 52 4S1_VCC 54 51 A23 56 651 A25 58 51 RST 60 S1_INPACK 62 51 BVD2 64 51 08 66 81 010 68 GND CONFIDENTIAL 19 Appendix D Keyboard Scan Character Codes Table D 1 Scan codes set 1 and set 2 1 4 Codeset1 Codeset1 1 Co
75. L550 Maintenance Manual 4 5 4 Replacement Procedures Error Use the Home tab to apply 88 2 to the text that you want to appear here Error Use the Home tab to apply amp 2 to the text that you want to appear here Disassembly Procedures The cable connectors come in these two basic types Pressure plate connectors Normal pin connectors To remove a pressure plate connector pull up the tabs on either side of the connector s plastic pressure plate and gently pull the cable out of the connector To reconnect the cable to the pressure plate s connector raise the pressure plate up to a satisfactory height and slide the cable into the connector Secure the cable in the correct position by pressing down the sides of the pressure plate so that the plate is flush with the sides of the connector Grasp and pull the cable gently to check that the cable is connected firmly If the cable came off the connector reinsert the cable by raising the pressure plate up to a satisfactory height Normal pin connectors are used for all the other types of cables These connectors can be installed or removed by simply inserting them or pulling them out Assembly Procedures You have to reassemble the laptop after you have disassembled the laptop and fixed the component that caused the problem When reassembling the laptop keep the following general guidelines in mind Take your time to carry out the suggested instructions completely Hurried rea
76. Maintenance Manual 4 29 4 Replacement Procedures Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply amp 2 to the text that you want to appear here 4 11 Speakers Removing the Speakers Remove the Speakers according to the following procedures and Figure 4 18 1 Press the speaker and then remove four speaker screws from the left and right speaker 2 Detach the speaker cable from the motherboard 3 Remove the left and right speakers from the logic lower assembly Figure 4 18 Removing the speakers Installing the Speakers Install the speakers according to the following procedures 1 Seat the left and right speaker in the correct position 2 Press speakers and secure the speakers with four speaker screws Satellite L550 Maintenance Manual 4 30 Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply 2 to the text that you want to appear here 4 Replacement Procedures 3 Attach the speaker cable to the motherboard Satellite L550 Maintenance Manual 4 3 4 Replacement Procedures Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply amp 2 to the text that you want to appear here
77. Manual Some operations require you to simultaneously use two 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 its display is presented in the typeface below Format complete System transferred Satellite L550 ProL550 Series Maintenance Manual Table of Contents Chapter1 Hardware Overview 1 1 1 2 1 3 1 4 1 5 Features uyana Sama TEE 1 1 a 1 9 DVD Super Multi R Double Layer ide er 1 10 SUDDly oky ase Se E EE E 1 11 rap Ae M UTE 1 13 Mum Battery yars naat ee a ee 1 13 152 Battery Charging Control n ede de e Nien Segue 1 13 RTC cC 1 14 Chapter2 Troubleshooting Procedures 2 1 2 2 2 3 2 4 2 5 2 6 2 2 8 29 2 10 2 11 2 12 2 13 2 14 2 15 2 16 Troubleshooting InitOGUCtOH soe aet 3 Troubleshooting Flowelatt a a Ee Ra pu a d eel 4 Power supply Troubleshooting sere opio e teer 9 Display te ce
78. NOTE The time required for normal charge depends on the power consumption by the system Using a fluorescent lamp and frequently accessing the disk consumes more power and lengthens the charge time Any of the following can stops battery charge 1 The battery becomes fully charged 2 The AC adapter or battery pack is removed 3 The battery or AC adapter voltage is abnormal Detection of full charge A full charge is detected only when the battery is being charged by quick or normal charge A full charge is detected when either of the following conditions is met 1 The current in the battery charging circuit drops below the predetermined value 2 The charging time exceeds the fixed limit 1 5 3 RTC Battery The RTC battery provides power to keep the current date time and other system information in memory while the computer is turned off Satellite L550 Maintenance Manual 1 15 Chapter 2 Troubleshooting Procedures 2 Troubleshooting Procedures Chapter 2 Contents 2 1 Troubleshooting 3 2 2 Troubleshooting 4 2 3 Power Supply enne 9 2 4 Display 14 2 5 Keyboard 17 2 6 External USB Devices Troubleshooting 19 2 7 TouchPad Troubles
79. READER connector assignments 21 pin ewe sane suene k 13 SDWP SD MS DATAO GND SDCLK SD MS DATAO MS DATA2 SD D MSCD C 12 CONFIDENTIAL _ SD DATA1 GND MSBS 5 DATA1 VCC_3IN1 GND MS_DATA3_SD_D ATA6 Liverpool 10M 10MG Maintenance Manual 15 SDCMD 16 MSCLK 17 VCC_3IN1 18 SD DATA3 19 GND 20 SD_DATA2 21 SDCD 20 JMXM Table C 20 VGA B Connector pin assignments 200 PIN 1 4 ___ 10 Sgrainame 101 1 8VS 1 8VS 1 8VS 1 8VS 1 8VS 1 8VS 1 8VS SUSP 5VALW GND GND GND GND PCIE PCIE GND PCIE PCIE GND PCIE PCIE GND PCIE PCIE GND Liverpool 10M 10MG Maintenance Manual CONFIDENTIAL 51 PCIE_GTX_C_MRX_P11 52 PCIE_MTX_C_GRX_N11 Se s s Poe Se e e _ roere mar Table 20 VGA B Connector pin assignments 200 PIN 2 4 PCIE_MTX_C_GRX_P9 67 PCIE_GTX_C_MRX_N8 68 GND 69 PCIE_GTX_C_MRX_P8 70 PCIE_MTX_C_GRX_N8 71 GND 72 PCIE_MTX_C_GRX_P8 73 PCIE_GTX_C_MRX_N7 74 GND 75 PCIE_GTX_C_MRX_P7 76 PCIE_MTX_C_GRX_N7 77 GND 78 PCIE_MTX_C_GRX_P7 79 PCIE_GTX_C_M
80. RX_N6 80 GND 81 PCIE_GTX_C_MRX_P6 82 PCIE_MTX_C_GRX_N6 83 GND 84 PCIE_MTX_C_GRX_P6 85 PCIE_GTX_C_MRX_N5 86 GND 87 PCIE_GTX_C_MRX_P5 88 PCIE_MTX_C_GRX_N5 89 GND 90 PCIE_MTX_C_GRX_P5 91 PCIE_GTX_C_MRX_N4 92 GND 93 PCIE_GTX_C_MRX_P4 94 PCIE_MTX_C_GRX_N4 95 GND 96 PCIE_MTX_C_GRX_P4 97 PCIE_GTX_C_MRX_N3 98 GND 99 PCIE_GTX_C_MRX_P3 100 PCIE_MTX_C_GRX_N3 101 GND 102 PCIE_MTX_C_GRX_P3 103 PCIE_GTX_C_MRX_N2 104 GND 105 PCIE_GTX_C_MRX_P2 106 PCIE_MTX_C_GRX_N2 107 GND 108 PCIE_MTX_C_GRX_P2 109 PCIE_GTX_C_MRX_N1 110 GND CONFIDENTIAL Liverpool 10M 10MG Maintenance Manual 113 115 117 119 121 123 125 127 129 131 133 135 137 139 141 143 145 147 149 151 153 155 157 PCIE GTX C MRX P1 PCIE MTX C GRX 1 Table C 20 VGA B Connector assignments 200 PIN 3 4 PCIE_GTX_C_MRX_NO PCIE_GTX_C_MRX_PO GND CLK_PCIE_VGA CLK_PCIE_VGA NC PLT_RST NC NC EC_SMB_DA2 EC_SMB_CK2 NC VGA_CRT_HSYNC VGA_CRT_VSYNG VGA_CRT_CLK VGA_CRT_DATA NC NC GND NC NC NC 114 116 118 120 122 124 126 128 130 132 134 136 138 140 142 144 146 148 150 152 154 156 158 PCIE_MTX_C_GRX_P1 GND PCIE_MTX_C_GRX_NO PCIE_MTX_C_GRX_PO NC NC GND NC GND NC NC VGA_CRT_R GND VGA_CRT_G GND VGA_CRT_B GND LCD TZCLK LCD TZCLK GND NC NC NC Table C 20 VGA B Connector pin assignments 200 PIN 4 4
81. SatelliteL550 ProL550 Series Maintenance Manual CONFIDENTIAL B 1 B 2 System Board Bottom View U3 etre an U33 JCRT JCPU JHDMI JESATA JEXMIC JODD JLINE TREAD 010 1015 Figure 2 System Board Layout Bottom B 2 CONFIDENTIAL Liverpool 10M 10MG Maintenance Manual Table 1 System Board ICs top and bottom LAN Conroller RTL8103EL GR Table B 2 System Board Connectors top and bottom Number Name JCPU CPU Socket JFAN Fan conn JDDRH JDDRL DDRII conn JCRT CRT conn JMXM VGA B conn JREAD 3 in 1 Card Reader conn JMIC Microphone conn JSPK Speaker conn JEXP Express Card conn JPCM Card Bus conn JWLAN WLAN conn JMDC MDC conn JHDD SATA HDD conn JODD ODD conn JCAM Camera conn JBT Bluetooth conn JFP Fingerprint B conn JKB1 Keyboard conn JPOWER Power B conn Liverpool 10M 10MG Maintenance Manual CONFIDENTIAL B 3 4 JESATA ESATA USB Combo conn JLAN LAN conn JLINE Headphones conn JEXMIC External MIC conn JHDMI HDMI conn JLVDS LVDS conn JUSBB USB B conn PJP1 AC Adaptor conn PJP2 Battery conn CONFIDENTIAL Liverpool 10M 10MG Maintenance Manual Appendix Pin Assignments System Board C 1 Table C 1 FAN I F pin assignments 3 pin vo Pinno sunsimame 16 1 FAN1 2 FAN_SPEED1 3 GND 2 JLVDS Tabl
82. Toshiba Personal Computer Satellite Maintenance Manual TOSHIBA CORPORATION Copyright 2009 by Toshiba Corporation All rights reserved Under the copyright laws this manual cannot be reproduced in any form without the prior written permission of Toshiba No patent Hability is assumed with respect to the use of the Information contained herein Toshiba Personal Computer Satellite Maintenance Manual First edition May 2009 Disclaimer The information presented in this manual has been reviewed and validated for accuracy The included set of instructions and descriptions are accurate for the Satellite 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 registered trademarks
83. a TO LOG UP RIGHT 2 5 3 0Kgf cm REAR SIDE 2 5 4 BZn LOG LOW TO UP 000006100 BATTERY AREA 2 0 2 5Kgf cm M2 5x6 BZn LOG LOW TO UP 000006200 na gu REAR MIDDLE SIDE 2 5 3 0Kgf cm M2 5x6 BZn LOG LOW TO ODD 000006200 na gu BRACKET 2 5 3 0Kgf cm M2 5x4 BZn MA0000061G0 KEYBOARD TOUP 2 0 2 5Kgf cm M2 5x6 BZn HDD DOOR TO LOG 000006200 na gu LOW 2 5 3 0Kgf cm M2 5 5 RAM DOOR TO LOW MA0000035G0 an FIX ON DOOR 2 0 2 5Kgf cm SatelliteL550 ProL550 Series Maintenance Manual 1 CONFIDENTIAL Appendix Reliability The following table shows MTBF Mean Time Between Failures for each component Table G 1 MTBF Time hour Keyboard 60 000 Optical DVD CD drive 60 000 AC adaptor 60 000 SatelliteL550 ProL550 Series Maintenance Manual CONFIDENTIAL G 1
84. ab to apply 2 to the text that you want to appear 4 Replacement Procedures 3 Install the HDD pack into the correct position in the laptop Connect the HDD pack to the laptop 4 Secure the main HDD door by tightening one M2 5x6 screw Satellite L550 Maintenance Manual 4 13 4 Replacement Procedures Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply amp 2 to the text that you want to appear here 4 4 Memory Removing the Optional Memory Remove the optional memory according to the following procedures and Figure 4 4 and 4 5 after checking that the laptop 1 turned off CAUTION Remove the optional memory after turning off the laptop If this is violated the laptop or memory can be damaged 1 Turn the laptop upside down 2 Release one M2 5x5 fixed screw that secures the RAM door 3 Remove the RAM door CAUTION Do not touch the connectors on the memory or in the laptop Contaminated connectors can cause memory access problems M2 5x5 1 Figure 4 4 Removing the RAM door Satellite L550 Maintenance Manual 4 14 Error Use the Home tab to apply 2 to the text that you want to appear here Erro
85. acement Procedures and perform the following checks Check 1 sure the Bluetooth cable is securely slotted into the system board If the problem persists go to Check 2 Check 2 Check the wireless communication function is enabled by BIOS setup or FN F8 then make sure that the communication LED on the left panel is lit If the problem persists or if the Bluetooth communication LED is not lit when the wireless communication function is enabled by BIOS setup or FN F8 to go to Check 3 Check3 The Bluetooth module 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 Satellite L550 Satellite L555 Satellite L557 Satellite Pro L550 31 2 Troubleshooting Procedures 2 12 3in1 card Troubleshooting is Tie ea SN TART T Perform 3 in 1 CARD test Procedure 1 3 IN 1 unit is not faulty Do errors occur during 3 IN 1 CARD test Yes Perform 3 IN 1 card socket replacement check Procedure 2 Replace system board Figure 2 11 3in 1 card troubleshooting process This section describes how to determine if the 3 IN 1 Card is functioning properly The process 15 summarized in Figure 2 16 Perform the steps below starting with Procedure 1 and continuing with
86. be damaged Go to Procedure 2 Procedure 2 Replace system board If the error persists the system board or USB small board may be damaged Replace it with a new one following the instructions in Chapter 4 Satellite L550 ProL550 Series Maintenance Manual 21 2 Troubleshooting Procedures 2 7 TouchPad Troubleshooting START TouchPad connection check Procedure 1 TouchPad replacement check Procedure 2 Replace system board END Figure 2 6 Touchpad troubleshooting process Satellite L550 Satellite L555 Satellite L557 Satellite Pro L550 22 2 Troubleshooting Procedures 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 1 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 TouchPad replacement check The TouchPad unit or FPC may be d
87. bly 4 Turn the LCD module over and place it face down on a protective surface such as a foam pad Satellite L550 Maintenance Manual 4 54 Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply 2 to the text that you want to appear here 4 Replacement Procedures 5 Remove the tape and LVDS cable connector Then detach the LVDS cable Figure 4 45 Removing the LVDS cable NOTE Integrated Circuits ICs are fragile Use extreme care not to apply pressure to the ICs along the edges of the LCD module Dispose of used LCD panels fluorescent FL tubes as required by local ordinances or regulations The LVDS cable must be carefully peeled away before disconnecting it from the LCD panel Satellite L550 Maintenance Manual 4 55 4 Replacement Procedures Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply amp 2 to the text that you want to appear here Installing the LCD Module Install the inverter board according to the following procedures 1 Turn the LCD module cover and place it face down on a protective surface such as a foam pad 2 Connect the LVDS cable to the LCD panel connector 3 Turn the LCD right side up 4 Seat the LCD hinge assembly in the correct position beside the L
88. ctive 3 18 HDCP Key Check This test will check HDCP key has been written into your computer successful or not NOTE Only UMA GM45 SKU unit support HDCP function 32 Satellite L550 Satellite L555 Satellite L557 Satellite ProL550 Series T amp D lease Check the result after test Notice onlu UMA sku have HDCP function 61 75 AB hip Uniq EKS initialized 1 ARE YOU TEST OK Y N1 If the picture shows as below it means he HDCPKEY function is NG Satellite L550 ProL550 Series Maintenance Manual Series T amp D 3 Tests and Diagnostics 3 Tests and Diagnostics N gt 2hdcpkeu ksv Family EKS NOT initialized 34 Satellite L550 Satellite L555 Satellite L557 Satellite ProL550 Series T amp D Chapter 4 Replacement Procedures 4 Replacement Procedures Chapter 4 Contents 4 1 M 4 1 Safety PrecdutiDlis 4 2 Before YoU sa eti abu es s 4 4 Disassembly Procedures a5 ue Doe bodie eid Pte 4 5 Assembly Procedures ese eiie et eii oo vanes NES UP PR ans 4 5 Tools sand Ed IDINeDBt z roii totae o oH Yd bnt bete ERA Len 4 6 Screw Tightening Torque 4 6 Colors ot Screw dei erede beber eia tere aaa 4 7 Symbols of Screws on the Laptop Body 4 7 Symbol exam
89. de set 2 eytop merum m Tab Q W E R T Y U 1 SatelliteL550 ProL550 Series Maintenance Manual CONFIDENTIAL D 1 D 2 Table D 1 Scan codes set 1 and set 2 2 4 K Code set 1 Code set 2 eytop take Break wake V Caps Lock A 5 G H J K L Enter Shift L No 102 key CONFIDENTIAL Satellite A350 A350D Series Maintenance Manual Table D 1 Scan codes set 1 and set 2 3 4 wate Ctrl L Alt L Space ALT R Ctrl R Ins Del Satellite A350 A350D Series Maintenance Manual CONFIDENTIAL D 4 Notes SNMP WNP Table D 1 Scan codes set 1 and set 2 4 4 wate F11 F12 PrintSc Pause Fn Win Scan codes differ by mode Scan codes differ by overlay function Combination 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 CONFIDENTIAL Satellite A350 A350D Series Maintenance Manual Table D 2 Scan codes with left Shift key Code set 1 Code set 2 AA 0 35 0 52 0 53 EO 4B AA EO 47 AA EO 4 AA EO 48 AA EO 50 AA EO 49 AA EO 51 AA EO 4D AA EO 5B AA EO 5D Note The table above shows scan codes with the left Shift key In combination wit
90. described in Chapter 4 Replacement Procedures and perform the following checks Check 1 sure that Button test operation is correct go to Check 2 Check 2 Make sure that the of the button is assemble OK go to Check 3 Check 3 button may be damaged Replace it with a new one following instructions in Chapter 4 Satellite L550 Satellite L555 Satellite L557 Satellite Pro L550 43 2 Troubleshooting Procedures 2 18 modem Troubleshooting START Perform telephone line connection check Procedure 1 heck replace Computer unable to i P telephone line and detect telephone signal connections No Y Perform connection check Procedure 2 Perform replacement check Procedure 3 Replace system board END Ms Figure 2 17 Modem troubleshooting process Satellite L550 Satellite L555 Satellite L557 Satellite Pro L550 44 2 Troubleshooting Procedures 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
91. e C 2 LVDS I F pin assignments 40 pin rave io rma 2 5V_LVDS_CAM 4 USB20_P9_R_CAM 6 3 LCD_TXCLK 5 LCD TXCLK USB20_N9_R_CAM 7 GND 8 GND 9 DAC_BRIG 10 INT_MIC_R 11 INVT_PWM 12 LCD_TXOUT0 13 GND 14 LCD TXOUTO 15 LCD_TZCLK 16 LCD_TXOUT1 17 LCD TZCLK 18 LCD_TXOUT1 19 GND 20 LCD_TXOUT2 21 LCD_EDID_CLK 22 LCD_TXOUT2 23 LCD EDID DATA 24 GND i 25 LCDVDD_R 26 LCD_TZOUT0 27 LCDVDD_R 28 LCD TZOUTO 29 3 5 30 LCD_TZOUT1 31 32 LCD_TZOUT1 33 LCD_INV 34 LCD_TZOUT2 35 LCD_INV 36 LCD TZOUT2 SatelliteL550 ProL550 Series Maintenance Manual CONFIDENTIAL 2 3 4 5 37 LCD_INV 39 LCD_INV JCRT GND BKOFF Table C 3 CRT pin assignments 15 pin RED_L 3 BLUE_L 5 GND 7 GND 9 CRT_VCC 11 NC 13 HSYNC 15 D_DDCCLK JHDMI GREEN_L GND GND GND GND D_DDCDATA VSYNC O Table C 4 HDMI I F pin assignments 19 pin 1 HDMI D2 3 HDMI R D2 5 GND 7 HDMI 00 9 HDMI 11 GND 13 HDMI CEC 15 HDMI SCLK 17 GND 19 HDMI HPD JFP HDMI R 1 HDMI_R_D1 HDMI_R_CK HDMI R CK GND HDMI SDATA HDMI_5V_OUT Table C 5 Finger Printer Connector assignments 4 pin CONFIDENTIAL Liverpool 10M 10MG Maintenance Manual rese sms mamawa 43VS FP 2 USB20 N7 3 USB20 P7
92. ed after the question Fan ON OFF Test Please Listen The FAN Sound ff ress Any Key To Fan On Test Fan Test rotating Press Any Key To Fan Off Test Fan Off Test stoping Do you feel FAN rotating wind Y N1 10 Satellite L550 Satellite L555 Satellite L557 Satellite ProL550 Series T amp D 3 6 Fan Test 3 Tests and Diagnostics 3 6 Main Battery Charge Test NOTE The AC adaptor should be connected to successfully run this test 65W with 19V DC for UMA SKU 90W with 19V DC for discrease SKU This test shows and measures the main battery Battery type Lion Manufacturer Sanyo Panasonic Sony Remain charge capacity 0 100 Charge function PASS FAIL Battery Is Full showed when remain charge capacities is 100 The screen should display as below if the charge function is OK will show Series Battery Test 591 91 8 2002 07 23 atteru Liom anufacturer Sony emain charge capacity 84 84 harge Test gt ress any key to continue If the charge function is NG the screen will display as Satellite L550 ProL550 Series Maintenance Manual Series T amp D 11 3 Tests and Diagnostics 3 7 Main Battery Change Test FOR Series Battery Test 5911 01 0 2882787723 attery Type Lion anufacturer Sony emain charge capacity 86 5 harge Test gt ress any key to continue 3 7 F
93. efective 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 Satellite L550 Satellite L555 Satellite L557 Satellite Pro L550 23 2 Troubleshooting Procedures 2 8 Speaker Troubleshooting START D Perform audio source test Procedure 1 Speakers are not faulty Continue troubleshooting see Figure 2 1 E Mm have S same problem N o Yes Y Perform earphone test Procedure 2 Do earphones function correctly Yes Y Perform connection check Procedure 3 Perform replacement check Procedure 4 L Replace system board m gt Figure 2 7 Speaker troubleshooting process Satellite L550 Satellite L555 Satellite L557 Satellite Pro L550 24 2 Troubleshooting Procedures 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 whethe
94. ellite L550 Maintenance Manual 4 38 Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply 2 to the text that you want to appear here 4 Replacement Procedures 4 15 USB Board Removing the USB Board Remove the USB board according to the following procedures and Figure 4 27 1 Remove one M2 5x4 screw that secures the USB board to the logic lower assembly 2 Detach the USB cable from the motherboard and remove the USB board from the logic lower assembly Figure 4 27 Removing the USB Board Installing the USB Board Install the USB board according to the following procedures 1 Seat the USB board in the correct position on the logic lower assembly 2 Connect the USB cable to the motherboard Secure the USB board to the logic lower assembly with one M2 5x4 screw Satellite
95. ellite Pro L550 35 2 14 Troubleshooting Perform connection check Procedure 1 oes replacemen 2 Troubleshooting Procedures cable No unction properly Perform CRT set check Procedure 2 CRT functioning ok gt YES Vv Replace system board N 9 m END Replace CRT cable U se different CRT set Check CRT Port connection Figure 2 13 CRT troubleshooting process To determine if the computer s CRT port is functioning properly perform the following procedures Figure 2 7 outlines the process Start with Procedure 1 and continue as instructed Procedure 1 CRT connection check Satellite L550 Satellite L555 Satellite L557 Satellite Pro L550 36 2 Troubleshooting Procedures Procedure 2 set check Procedure 1 connection check The CRT cable may be damaged or the connections may be loose Perform Check 1 Check 1 sure CRT cable is firmly plugged into both the CRT set and the CRT port of the computer If the cable is connected correctly go to Check 2 Check 2 sure the CRT port is firmly secured to the system board of the computer If the malfunction remains go to Check 3 Check 3 CRT cable may be damaged Replace with a good cable If the malfunction remains go to Procedure 2 Procedure 2 CRT set check The CRT set may be faulty Per
96. elow indicating whether the test is passed or failed after the question 3 12 Magnetic Switch Test The Magnetic switch test checks the Magnetic function of the unit When LCD cover closed the Magnetic should enable to turn off the display Follow below steps to run this test 1 Close the LCD cover 2 Open the LCD Satellite L550 ProL550 Series Maintenance Manual Series T amp D 19 3 Tests and Diagnostics Then it will indicate whether the test is passed or failed 1 gt If the Magnetic switch test fail it will show below display Magnetic switch test program Uer 1 18 PE SH Jone Please close and open LCD 2 gt Ifthe Magnetic switch test pass it will show below display 20 Satellite L550 Satellite L555 Satellite L557 Satellite ProL550 Series T amp D 3 Tests and Diagnostics agnetic Switch test is Pass ARE YOU TEST 9 1 3 13 LAN Test The LAN test checks the LAN full duplex environment NOTE LAN loopback needs to plug in before test begins And LAN information will show on the test screen Base Port A000H IRQ BH it s IRQ B Node it is MAC Address Satellite L550 ProL550 Series Maintenance Manual Series T amp D 21 3 Tests and Diagnostics Line Speed 1000Mbps or 100Mbps or 10 Mbps Bus ID it s 14 The LAN test includes three subtests of the 1 Speed1000 2 Speed100 3 10 The subtests run aut
97. em board of the computer If the malfunction persists go to Check 3 Check 3 transmission cable may be damaged Replace with a good cable If the malfunction persists go to Check 4 Check4 The system board may be damaged Replace it with a new one following the instructions in Chapter 4 Satellite L550 Satellite L555 Satellite L557 Satellite Pro L550 51 2 Troubleshooting Procedures 2 22 Optical Drive Troubleshooting 5 2 EN Perform audio CD check Procedure 1 Perform drive Audio CD functions ok gt cleaning check Procedure 2 Yes Perform software check Procedure 3 Perform diagnostic test Procedure 4 Perform connection and replacement check Procedure 5 Replace system board END Figure 2 21 Optical drive troubleshooting process This section describes how to determine if the computer s internal optical drive is functioning properly The Satellite P200D P205D Satellite Pro P200D EQUIUM P200D SATEGO P200D Series Maintenance Manual module bays can accommodate the following optical drives Satellite L550 Satellite L555 Satellite L557 Satellite Pro L550 52 2 Troubleshooting Procedures DVD SuperMulti supporting R Double Rayer Figure 2 11 outlines the process Perform the steps below starting with Procedure 1 and continue with the other procedures as required Procedure 1 A
98. em still exists perform Check 3 Check 3 system board may be damaged Replace it with a new one following the instructions in Chapter 4 2 17 Button Troubleshooting Satellite L550 Satellite L555 Satellite L557 Satellite Pro L550 41 2 Troubleshooting Procedures START Perform diagnostic test Procedure 1 Button board is not faulty Continue troubl eshooti ng refer to Figure 2 1 Was a button board problem detect YES Perform connector Procedure 2 vis Replace the Button FFC Figure 2 16 Button troubleshooting process The small board of button or the FFC assembles maybe the reason of button function fault Either of these two may be damaged To determine if the computer s button is functioning properly perform the following procedures Figure 2 16 outlines the process Start with Procedure 1 and continue with the other procedures as instructed Procedure 1 Diagnostic test Procedure 2 Replacement check Satellite L550 Satellite L555 Satellite L557 Satellite Pro L550 42 2 Troubleshooting Procedures Procedure 1 Diagnostic test Run the functioning Program on Windows model or DOS model which will display the test result If tests and diagnostics result abnormal go to Procedure 2 If an error is not located the button functioning is properly Procedure 2 Replacement check Disassemble the computer following the steps
99. emoving the screws from the touch pad button board 4 26 Figure 4 17 Removing the touch pad 4 27 the 4 28 Figure Removing the display assembly 4 29 Fig re 420 Removing the hinge brackets 4 30 Figure 4 21 Removing the thermal fan from the logic lower assembly 4 31 Figure 4 22 _ Removing the motherboard from logic lower assembly 4 32 Figure 73 Removing the DC IN connector and cable 4 33 Figure 4 24 Picking up the motherboard 4 33 Figure 4 25 _ Alene the motherboard connectors 4 34 Figure 4 26 Installing the DC I COBDOCDUE 4 35 CERE 4 36 CERERI 1 114 AIME ome m 4 37 Figure 429 Removing the Thermal Module epus 4 38 Fig ure430 Removing the VGA HOMI 4 39 Satellite L550 Maintenance Manual 4 Replacement Procedures Figure 4 31 Reapply Shinetsu 7726 grease on the thermal module and remove any release aput iia tes a es ere tie 4 40 Figure 432 4 41 Figure433 Removing the m 4 43 EFEigure4 34 _ Removing the modem card PTT 4 44 Eigure4 3
100. es 2 Turn the laptop over and open it Remove six 2 5x6 screws M2 5x6 6 445 Figure 4 12 Removing six screws from under the keyboard Satellite L550 Maintenance Manual 4 23 4 Replacement Procedures Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply amp 2 to the text that you want to appear here 3 Detach one Power board FFC one Bluetooth cable and one Touch Pad cable as shown in Figure 4 13 TOSHIBA Figure 4 13 Detaching cables from under the keyboardp 4 Lift up the logic upper assembly Installing the Logic Upper Assembly Install the logic upper assembly according to the following procedures 1 Seat the logic upper assembly to the front of the laptop and adjust to the correct position 2 Attach the three cables and secure the six screws as indicated in Figure 4 13 and 4 12 3 Turn the laptop upside down and secure it with 21 screws as indicated in Figure 4 11 Seventeen M2 5x6 screws Four M2 5x4 screws Satellite L550 Maintenance Manual 4 24 Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply 2 to the text that you want to appear 4 Replacement Procedu
101. form Check 1 Check 1 Try using the set for CRT reception If it does not work the set may be damaged If the set does work perform Check 2 Check 2 Try connecting different CRT to the computer If the replacement CRT 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 Satellite L550 Satellite L555 Satellite L557 Satellite Pro L550 37 2 15 LAN Troubleshooting Perform LAN connection check Procedure 1 oes replacemen 2 Troubleshooting Procedures LAN cable No unction properly Perform LAN set check Procedure 2 LAN functioning ok N YES 4 Replace system board END Replace LAN cable U se different LAN cable Check LAN Port connection Figure 2 14 LAN troubleshooting process To determine if the computer s LAN port is functioning properly perform the following procedures Figure 2 7 outlines the process Start with Procedure 1 and continue as instructed Procedure 1 LAN Diagnostic test Satellite L550 Satellite L555 Satellite L557 Satellite Pro L550 38 2 Troubleshooting Procedures Procedure 2 LAN connection check Procedure 3 LAN set check Procedure 1 LAN Diagnostic test Run the Diagnostic Program which will automatically execute the LAN test
102. h the right Shift key scan codes are changed as listed below With left Shift With right Shift Set 1 EO B6 2A EO 36 Set 2 EO FO 12 EO FO 59 EO 12 EO 59 Satellite A350 A350D Series Maintenance Manual CONFIDENTIAL Table D 3 Scan codes Numlock mode Code set 1 Code set 2 FO 70 FO 71 EO EO 2A EO EO FO 6B EO EO 2A EO EO F0 6C EO EO 2A EO EO FO 69 EO EO FO 75 EO FO 72 EO EO FO 70 EO FO 7A EO FO 74 EO 2 1F EO FO 2F EO Table D 4 Scan codes with Fn key Code set 1 Code set 2 FO 5A ENT 9C L CTRL 90 L ALT 8 ARROW C5 NUMERIC C5 Scrl C6 CONFIDENTIAL Satellite A350 A350D Series Maintenance Manual Table D 5 Scan codes mode Code set 1 Code set 2 Wee Make Table D 6 No 124 key scan code Code set 1 Code set 2 lt 37 B7 EO 7 0 FO Ctrl Shift Alt Satellite A350 A350D Series Maintenance Manual CONFIDENTIAL D 7 Table D 7 No 126 key scan code Key top Code set 1 Code set 2 Make Make Pause E1 10 45 E1 9D C5 E1 14 77 FO 14 FO 77 Ctrl EO 46 0 6 7E EO FO This key generates only make codes D 8 CONFIDENTIAL Satellite A350 A350D Series Ma
103. he computer has two SODIMM slots which come standard with 512MB 1GB 2GB 4GB accepting for your memory requirements It can incorporate up to either 4GB or 8 GB of main memory depending on the models It supports DDR2 at 667MHz and 800MHz BIOS ROM EEPROM The system BIOS and Keyboard BIOS share one single 1024KB flash ROM The flash utility can be used to program both system and keyboard BIOS at the same time System Controllers Advanced Power Management 1 2 support ACPI2 0b and Windows Logo Program 3 0 compliant Support SMBus specification V2 0 Hot keys for system control Audio volume output control External LED control Battery scope report and control Sticky key support Power switch control Two host interface channels support Supports three independent devices Internal Keyboard country selection Satellite L550 Maintenance Manual 1 8 Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply 2 to the text that you want to appear here 1 Hardware Overview Graphics Controller Intel GM45 GL40 as integrated graphics solution B ATI Mobility Radeon HD 4500 with DDR3 256MB 512MB for external graphics solution B DVI D supported by conversion cable from HDMI Express Card Controller Support USB PCI Express signals One Express card slot 34 54 Audio Controller B Realtek Azalia ALC272 One Audio in port Mic in Line in
104. hiba stack support Satellite L550 Maintenance Manual 1 5 1 Hardware Overview Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply amp 2 to the text that you want to appear here Figure 1 1A shows the computer and its system unit configuration THERMAL VAN HOLES RJ45 HDMI E SATA USB MICROPHONE HEADPHONE EXPRESS CARD SPEAKER CAMERA Printing sub brand POWER BTN PLAY PAUSE FAST REWARD l TOUCH PAD TP BIN S TP BIN T SATELLITE LOGO MAIN BATTERY POWER HDD ODD ESATA ACCESS DCIN A m ace LED Lens WLAN LED Reader THERMAL VAN HOLES e BATTERY gt SPEAKER Figure ID Parts Description Placement Part A KENSINGTON LOCK DC IN ODD Satellite L550 Maintenance Manual 1 6 Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply 2 to
105. hooting 22 2 8 Speaker Troubleshooting ei e a P u has baad 24 2 9 Wireless LAN Troubleshooting e me e hee 26 2 10 Camera troubleshooting irnir a Aa au a 28 2 11 Bluetooth 299 30 2 12 1 Troubleshooting certo eere E Rae kd 32 2 13 HDD SSD troubleshooting 2 34 2 14 CRT failure troubleshooting process 2 36 2 15 LAN Troubleshooting 38 2 16 MIC troubleshooting process 40 2 17 BUTTON troubleshooting process 41 2 18 Modem troubleshooting 8 44 2 19 Express card troubleshooting process 46 2 20 HDMI troubleshooting 48 2 21 E SATA troubleshooting 8 50 2 22 Optical Drive 2 52 Satellite L550 ProL550 Series Maintenance Manual 1 2 Troubleshooting Procedures Figures Figure2 1 Troubleshooting flowchart 1 2 5 Figure2 1 Troubleshooting flowchart 22 6 Figure 2 2 Power Supply Troubleshooting Process
106. hould display as below Configuration as Below PUTY PE Penryn T 4200 ARE YOU TEST 1 _ 8 Satellite L550 Satellite L555 Satellite L557 Satellite ProL550 Series T amp D 3 Tests and Diagnostics 3 4 Audio sound test The audio sound test allows the user to aurally confirm the speaker functions And the speaker will send out music during test NOTE Remember to tune up the volume as Maximum before this test starts Buffalo only have one speaker no need test Left Right Speaker The screen should display as below indicating whether the test is passed or failed after the question 1 Please adjust volume to max level 2 1 listen to speaker will send out sound ress any key to continue Satellite L550 ProL550 Series Maintenance Manual Series T amp D 9 3 Tests and Diagnostics 3 5 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 The computer will let the fan be ON after any key pressed Feel the wind or listen the rotating sound to check whether the fan is working or not NOTE Remember to approach fan outlet that is near right side of unit whether fan is ON The computer will stop the fan working after any key pressed Feel the wind or listen the sound to check if the fan is OFF The screen should display as below indicating whether the test is passed or fail
107. i ng refer to Figure 2 1 Was a MIC problem detect YES Perform connector Procedure 2 Replace MIC line system Figure 2 15 MIC troubleshooting process The MIC line or system board may be the reason of a MIC fault Either of these two components may be damaged To determine if the computer s MIC 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 Satellite L550 Satellite L555 Satellite L557 Satellite Pro L550 40 2 Troubleshooting Procedures Procedure 1 Diagnostic test Procedure 2 Connector and replacement check Procedure 1 Diagnostic test Run the functioning Program on Windows model which will display the MIC test result If tests and diagnostics result abnormal go to Procedure 2 If an error is not located the MIC module functioning is properly Procedure 2 Connector and replacement check The MIC line 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 that the MIC line is securely slotted into the system board If the problem remains go to Check 2 Check 2 The MIC line may be damaged Replace it with a new one following the instructions in Chapter 4 If the probl
108. ilures never use components that do not meet the specifications To avoid internal damage such as short circuits and fire never drop metal objects such as screws pins paper clips etc into the components When a screw is removed be sure to replace a screw that is the same size as the original screw Make sure that all the screws are fastened securely Loose screws can cause short circuits overheating smoke or fire Before removing a FRU or other component make sure that all the component cables have been disconnected to avoid the risk of electrical shock caused by accidental contact with the energized components For AC input be sure to use the AC adapter and AC power cable that come with your laptop or Toshiba recommended equivalents To avoid the risk of electrical shock make sure that all the replacement components meet the specifications of the laptop and that all the cables and connectors are fastened securely Inside the PC are components that become hot during operation such as the CPU and cooling module To avoid burns let the hot components cool down before starting inspection or repair task Satellite L550 Maintenance Manual 4 4 Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply 2 to the text that you want to appear here 4 Replacement Procedures Before You Begin Before you begin to disassemble the laptop keep in mind the precautions and ad
109. indows keys and application keys except for Linux models Pointing Device The integrated Wide Touch Pad and two control buttons in the palm rest allow control of the on screen pointer and support functions such as the scrolling of windows External Monitor Port The analog VGA port provides support for VESA DDC2B compatible functions WDDM driver is ready for Vista Universal Serial USB Ports The computer has two USB 2 0 ports along with one USB eSATA combo port see below It is supported to daisy chain a maximum of 127 USB devices The serial data transfer rate is 480 Mbps or 12 Mbps and 1 5 Mbps These ports support PnP installation and hot plugging Satellite L550 Maintenance Manual 1 3 1 Hardware Overview Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply amp 2 to the text that you want to appear here eSATA The external SATA or eSATA port executes high speed data transfer to external devices and supports shielded cable lengths of up to 2 meters outside the PC The port also provides dual USB compatibility Express Card Slot The internal Express Card slot is a universal slot This slot supports ExpressCard 34 54 and comes with a dummy card It also supports USB PCI Express signals Bridge Media Slot This slot allows you to insert SD MiniSD MicroSD through an adaptor Memory Stick Memory Stick Pro and MM
110. intenance Manual Appendix Key Layout 1 United Status US Keyboard E ETT EErEE ee ETE n I T LE Jom FIF TEE II eT lt a IDC Ta D Lh v gt DEL 2 Traditional Chinese CH Keyboard a sing m Poe afla 1 2 M Mex ill SPACE UM ree il TI SatelliteL550 ProL550 Series Maintenance Manual E 1 CONFIDENTIAL gt ENTER 3 Thai Keyboard Seer m m RE E ae un Pale ail pimi 2
111. m the logic lower assembly Satellite L550 Maintenance Manual 4 36 Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply 2 to the text that you want to appear here 4 Replacement Procedures Installing the Motherboard Install the motherboard according to the following procedures 1 Before seat the motherboard on the logic lower assembly pull out the LVDS cable and any other cables to avoid being pressed 2 Align the connectors on the left side to their corresponding holes in the logic lower assembly as shown in Figure 4 25 Figure 4 25 Aligning the motherboard connectors 3 Seat the motherboard down in the lower logic assembly Satellite L550 Maintenance Manual 4 37 4 Replacement Procedures Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply amp 2 to the text that you want to appear here 4 Put the DC IN connector in the lower DC IN trough and route the cable from left to right under the ribs as shown in Figure 4 26 6 c3 BS Hs f utc D Figure 4 26 Installing the DC IN connector 5 Secure the motherboard with two M2 5x4 screws 6 Attach two cables to the motherboard as indicated by the arrows in Figure 4 22 Sat
112. me tab to apply 88 2 to the text that you want to appear here 1 Hardware Overview 1 3 DVD Super Multi R Double Layer The DVD Super Multi drive accepts 12 cm 4 72 inch and 8 cm 3 15 inch discs At maximum the drive can play back a DVD at 8x speed read CD ROM at 24x speed and write CD R at 24x speed CD RW at 4x speed US CD RW at 24x speed High Speed CD RW at 10x speed DVD R at 8x speed DVD RW at 6x speed DVD R at 8x speed DVD R Double Layer at 6x speed DVD R Dual Layer at 4x speed DVD RW at 8x speed and DVD RAM at 5x speed The DVD Super Multi drive is shown in Figure 1 3 and its specifications are listed in Table 1 2 Figure 1 5 DVD Super Multi Drive Table 1 2 DVD Super Multi Drive Specifications 33 3 U DMA transfer mode 2 Data Transfer Rate Mbytes s 16 6 PIO mode 4 Multiword DMA mode 2 Access Time ms Average Random Access 130 Data Buffer Size Mbytes 2MB DVD DVD VIDEO DVD ROM DVD R DVD RW DVD RAM DVD R DVD R Double Layer DVD RW Formats Supported CD CD DA CD ROM CD R CD RW CD ROMXA Photo CD Multi Session Video CD CD Extra CD CD Text Satellite L550 Maintenance Manual 1 11 1 Hardware Overview Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply amp 2 to the text that you want to appear here 1 4 Power Supply The power supply unit provides constant voltage 19V for the system board and pe
113. n edet a aec d gees 4 28 Installing the the Speakers eser e vies EH Enea atento ses ER o pepe 4 28 4 127 Display Assembly u 4 29 Removing the Display Assembly ss 4 29 Installing the Display Assembly a 4 30 4 13 Thermal alte th galas tasas raia E 4 3 Removing the Thermal 4 3 Installing th Thermal Ban 4 31 4 14 equidem ut 4 32 Removing the Motherboard 4 32 Installing the Moth rDB afd 4 34 4 15 USB Board sy al ome tec vigo ase titu 4 36 Removing the USB Board 4 36 Installing is eei 4 36 4 16 ODD BOSE 4 37 Removing the ODD 4 37 Installine the ODD Board ho us eee Gees 4 37 4 17 Thermal Moduleand VGA Board Optional 4 38 Removing Removing the Thermal Module and VGA Board 4 38 Installing the VGA Board and Thermal Module 4 39 4 18 CP tess bd EB Dd
114. n in Figure 4 42 Figure 4 42 Pressing the bezel upside hooks 7 Secure it to the display assembly with six M2 5x6 screws 8 Place six rubber seals over the screw holes Satellite L550 Maintenance Manual 4 52 Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply 2 to the text that you want to appear 4 Replacement Procedures 4 22 LCD Module Removing the LCD Module Remove the LCD module according to the following procedures and Figure 4 43 4 44 and 4 45 1 Remove four M2 5x6 screws securing the LCD module according to the sequence indicated in the Figure 4 43 2 After removing the screws remove the tape on the LCD panel and then remove the LCD module from LCD assembly 1 2 M2 5x6 4 2 1 e 2 TL Figure 4 43 Removing the LCD Module from the LCD cover assembly Satellite L550 Maintenance Manual 4 53 4 Replacement Procedures Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply amp 2 to the text that you want to appear here 3 Remove six M2x2 5 screws according to the sequence indicated in the Figure 4 44 and then remove the LCD hinge assembly 2 2 5 6 Figure 4 44 Removing the LCD Hinge Assem
115. n the logic lower assembly 2 Secure the hinge brackets with two M2 5x4 screws 3 Place the display assembly in the correct position 4 Secure the display assembly with four M2 5x6 screws and attach the LVDS cable to the motherboard 5 Attach all the connectors to the motherboard as indicated in Figure 4 19 Satellite L550 Maintenance Manual 4 33 4 Replacement Procedures Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply amp 2 to the text that you want to appear here 4 13 Thermal Fan Removing the Thermal Fan Remove the thermal fan according to the following procedures and Figure 4 21 1 Detach the cable from the motherboard 2 Remove three M2 0x5 screws from the thermal fan 3 Remove the thermal fan from the logic lower assembly M2 0x5 3 o 2 le N Figure 4 21 Removing the thermal fan from the logic lower assembly Installing the Thermal Fan Install the thermal fan according to the following procedures 1 Seatthe thermal fan in the correct position on the logic lower assembly 2 Secure the thermal fan with three M2 0x5 screws 3 Attach the cable to the motherboard Satellite L550 Maintenance Manual 4 34 Error Use the Home tab t
116. nd VGA Board Optional 4 23 CMOS Board and 4 18 CPU 4 19 WLAN Card 4 20 Modem Card MIC How to use the chart two examples lima a MES e For removing the Motherboard d 4 5 ODD and Keyboard 4 9 Bluetooth Card First remove parts from 4 6 4 7 Keyboard Logic Upper Assembly and 47 Logie Upper gt ua ma then parts 4 11 13 Speakers Display 4 12 Displa Assembly and Thermal Fan Assembly P 4 14 Motherboard 4 15 USB Board 4 16 ODD Board For removing the LCD Module First remove 4 21 LCD Bezel Assembly Mand VGA Bond gt 422 LCD Module Optional then remove 4 22 LCD Module 4 23 CMOS Board and 7 418 CPU 4 19 WLAN Card 4 20 Modem Card MIC Satellite L550 Maintenance Manual 4 2 Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply 2 to the text that you want to appear here 4 Replacement Procedures Safety Precautions Before you begin disassembly read the following safety precautions carefully Be sure to follow them while you are working DANGER 1 Always use the genuine batteries or replacement batteries authorized by Toshiba Batteries other than those differ in specifications and are incompatible with the laptop The
117. nostics 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 TouchPad test perform the TouchPad Troubleshooting procedures in Section 2 7 If an error is detected by the audio test perform the Speaker Troubleshooting procedures in Section 2 8 and the Optical Drive Troubleshooting Procedures in Section 2 9 Satellite L550 ProL550 Series Maintenance Manual 7 2 Troubleshooting Procedures Other problems that are not covered by the diagnostics program may be discovered by a user 1 is detected when using an external USB device perform the External USB Devices Troubleshooting procedures in Section 2 6 2 If an error is detected when using the speakers perform the Speaker Troubleshooting procedures in Section 2 8 3 If an error is detected when using the Wireless LAN perform the Wireless LAN Troubleshooting procedures in Section 2 10 4 If an error is detected when using
118. ntenance Manual 4 45 4 Replacement Procedures Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply amp 2 to the text that you want to appear here 4 19 WLAN Card Removing the WLAN Card Remove the WLAN card according to the following procedures and Figure 4 33 1 Detach the two antennas on the WLAN card 2 Remove two M2 5x4 screws that secure the WLAN card 3 Pull the WLAN card out at an angle M2 5x4 2 Figure 4 33 Removing the WLAN card Installing the WLAN Card Install the WLAN card according to the following procedures 1 Insert the WLAN card into the connector 2 Press the card down and secure it with two M2 5x4 screws 3 Attach the two antennas to the WLAN card Satellite L550 Maintenance Manual 4 46 Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply 2 to the text that you want to appear here 4 Replacement Procedures 4 20 Modem Card Optional Removing the Modem Card Remove the modem card according to the following procedures and Figure 4 34 1 Remove two M2x3 screws that secure the modem card 2 Hlip the modem card over and detach the cable connected to the card M2x3 2 Figure 4 34 Removing the modem card Installing the Modem Card Install the modem ca
119. o apply 2 to the text that you want to appear here Error Use the Home tab to apply 2 to the text that want to appear here 4 Replacement Procedures 4 14 Motherboard Removing the Motherboard Remove the motherboard according to the following procedures 1 Remove two M2 5x4 screws and two cables from the logic lower assembly as indicated by arrows in Figure 4 22 M2 5x4 2 Figure 4 22 Removing the motherboard from logic lower assembly Satellite L550 Maintenance Manual 4 35 4 Replacement Procedures Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply amp 2 to the text that you want to appear here 2 Remove the DC IN connector and cable out of the logic lower assembly from right to left as shown in Figure 4 23 Figure 4 23 Removing the DC IN connector and cable 3 Use your hands to pick up the motherboard in the direction of the arrows as shown in figure 4 24 Figure 4 24 Picking up the motherboard 4 Remove the motherboard fro
120. oard function ok lt E e Perform diagnostic check Procedure 2 Keyboard is not faulty Continue troubleshooting refer to Figure 2 1 W as a keyboard roblem detected Yes Perform connector and replacement check Procedure 3 system board 3 Figure 2 4 Keyboard troubleshooting process Satellite L550 ProL550 Series Maintenance Manual 17 2 Troubleshooting Procedures 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 a USB keyboard to one of the computer s USB ports and 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 having some problem Replace it with a new one and following the instructions in Chapter 4 Procedure2 Diagnostic check Run the test and Diagnostics Program which will automatically execute the Keyboard Test Refer
121. of the computer RTC Battery The internal RTC battery backs up the Real Time Clock and calendar Hard Disk Drive HDD The computer accommodates a 9 5 mm HDD with the following storage capacities 120 160 250 320 GB S ATA 5 400rpm 160 200 320 GB S ATA 7 200rpm The computer has an optional 9 5mm SSD with the following capacities 64 128 GB Satellite L550 Maintenance Manual 1 1 1 Hardware Overview Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply amp 2 to the text that you want to appear here Satellite L550 Maintenance Manual 1 2 Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply 2 to the text that you want to appear here 1 Hardware Overview ODD 12 7mm height DVD Super Multi drive supporting R Double Layer 12 7mm height DVD Super Multi drive supporting R Double Layer w Labelflash Display The LCD display comes with the following 17 3 W 16 9 HD 1600x900 WhiteLED Graphics Intel GM45 GL40 Integrated graphics display m ATI Mobility Radeon HD 4500 for external graphics support DDR3 256 512 depending on model Keyboard The computer is equipped with a Toshiba standard 360mm keyboard which has A4 10key Genchaku Keyboard without stick point It is a Vista compliant keyboard with optional W
122. of their respective holders Satellite L550 ProL550 Series Maintenance Manual Preface This maintenance manual describes how to perform hardware service maintenance for the Toshiba Personal Computer Satellite referred to as the Satellite Series in this manual The procedures described in this manual are intended to help service technicians isolate faulty Field Replaceable Units FRUs and replace them in the field SAFETY PRECAUTIONS Four types of messages are used in this manual to bring important information to your attention Each of these messages will be italicized and identified as shown below DANGER Danger indicates the existence of a hazard that could result in death or serious bodily injury if the safety instruction is not observed WARNING Warning indicates the existence of a hazard that could result in bodily injury if the safety instruction is not observed CAUTION Caution indicates the existence of a hazard that could result in property damage if the safety instruction is not observed NOTE Note contains general information that relates to your safe maintenance service Improper repair of the computer may result in safety hazards Toshiba requires service technicians and authorized dealers or service providers to ensure the following safety precautions are adhered to strictly Be sure to fasten screws securely with the right screwdriver If a screw is not fully fastened it could come loose
123. omatically 1 Please plug in the Loopback into LAN port 2 Please see test result in middle of display Pass ooo Fail xxx ress any key to continue The screen should display as below indicating whether the subtests pass or fail when finished 22 Satellite L550 Satellite L555 Satellite L557 Satellite ProL550 Series T amp D 3 Tests and Diagnostics P Program for PCI PCI E Family LAN Product Client 1 22 82 81 88 version IOBASE ABBBH IRQ Node 1EEC3EC8DA 188BH 18K 188H 5K 16H 2K UID 18ECH DID 8136 SUID 1179H SSID FF88H Lan dapters 1 Hou is 1 Open Your MPLAN CFG im this machine 188M Link 16M Link OK Test Item Result Pass Fail PG_LAN false none Reg_R H true Pass Speed1660 true none Rxt imeout 1 Speed14 true Pass ROK 2666 TOK Speed16 true Pass Error B Debug true Txtimeout 58 AutoRun true xx xxxx Pass in debugging mode Press ESC key to exit If an error is detected and a test fails the following message displays IP il 1 IL ress any key to continue Satellite L550 ProL550 Series Maintenance Manual Series T amp D 23 3 Tests and Diagnostics 3 14 RTC Test Checks 8 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
124. ontinue with the other procedures as instructed Procedure 1 E SATA device check Procedure 2 Windows Application check Procedure 3 Connection and replacement check Satellite L550 Satellite L555 Satellite L557 Satellite Pro L550 50 2 Troubleshooting Procedures Procedure 1 E SATA device check Connect an E SATA device to the computer s E SATA port then boot the computer for Windows Vista The computer should automatically detect the E SATA device 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 Procedure2 Windows Application check Run the Windows Application which will automatically execute the E SATA port test for transmission 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 E SATA port is 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 E SATA compatible device and the E SATA port of the computer If the cable is connected correctly go to Check 2 Check 2 Make sure the E SATA port is firmly secured to the syst
125. oubleshooting 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 Satellite L550 ProL550 Series Maintenance Manual 3 2 Troubleshooting Procedures 15 MIC module and MIC line 2 22 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 e Ask the user if a password is registered if it is ask him or her to enter the password e Verify with the customer that Toshiba Windows XP Vista is installed on the hard disk Operating systems that were not preinstalled by Toshiba can cause the computer to malfunction e Make sure all optional equipment is removed from the computer Satellite L550 ProL550 Series Maintenance Manual 4 2 Troubleshooting Procedures Connect the AC adapter to the DC IN socket m s the DC IN LED on Yes lt Is the Battery LED gt No Yes Turn the Power switch on N s the Power On LED on No gt Yes pun cu ae 1 k Toshiba logo 5 display 2
126. ples 4 7 4 2 ER NEA Nu q cus 4 8 Removing the Battery PaeE 526 i qan aq eiii a u aa 4 8 Installing the Battery eae 4 9 4 3 EIDDE uqunataqa 4 10 Eemoving Ere nb ei eg 4 10 Installmp the tea otha wes aoa aS 4 11 4 4 ome mee 4 12 Removing the Optional Memory 4 12 Installing ihe Optional Memory o a Re ed 4 13 4 5 ook ea a eps Adee ee 4 14 Removing the ODD Module nente eroe ecce eorr tete es 4 4 Installing ihe ODD Bay Module tnn ora terit te 4 15 Disassembling the ODD Drive iore cei Sie 4 15 Assembling the ODD Dive 4 16 4 6 Keyboard Cover Keyboard iis 4 17 Removing the Keyboard Cover and 4 17 Installing the keyboard Cover and Keyboard 4 19 4 7 Logie Upper Asser DL Sa aa asnananpaq 4 20 Satellite L550 Maintenance Manual 4 4 Replacement Procedures Removing the Logic Upper Assen eei ees 4 20 Installing the Logic Upper Assembly 4 22 4 8 F nct n Board
127. r Use the Home tab to apply 2 to the text that you want to appear here 4 Replacement Procedures 4 Spread out the two memory lock latches so that the memory pops up Figure 4 5 Removing the RAM from the laptop 5 Pull the memory up and out at an angle using care to avoid touching the connectors Installing the Optional Memory Install the optional memory according to the following procedures after checking that the laptop is turned off CAUTION Install the optional memory after turning off the laptop If this is violated the laptop or memory can be damaged 1 Insert the memory into the connector at an angle of 45 degrees 2 Press down on the memory module so that it is secured with both memory lock latches 3 Reinstall the optional RAM door 4 Secure the RAM door with one M2 5x5 screw After the laptop is turned on check the hardware configuration in the Hardware Setup or TESTUP program to make sure that the installed memory has been recognized by the system If it has not been recognized yet check the connections Satellite L550 Maintenance Manual 4 15 4 Replacement Procedures Error Use the Home tab to apply 2 to the text that you want to appea
128. r 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 OFF Medium Low 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 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 3 11 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 18 Satellite L550 Satellite L555 Satellite L557 Satellite ProL550 Series T amp D 3 Tests and Diagnostics 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 b
129. r here Error Use the Home tab to apply amp 2 to the text that you want to appear here 4 5 ODD Removing the ODD Bay Module NOTE The installation and removal procedures are the same for all the modules that can be installed in the ODD bay See the appropriate sections for the disassembly procedures of specific modules Remove the ODD bay module according to the following procedures and Figure 4 6 2 5 6 1 Figure 4 6 Removing the ODD module 1 Turn the laptop upside down 2 Remove one M2 5x6 screw 3 Push the ODD bracket the direction of the arrow CAUTION Handle the ODD bay module carefully it can become hot during operation Satellite L550 Maintenance Manual 4 16 Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply 2 to the text that you want to appear here 4 Replacement Procedures Installing the ODD Bay Module Install the ODD bay module according to the following procedures 1 Place the ODD bay module in the correct position and slide it in 2 Pushit in until it meets the end 3 Secure the ODD bay module with one M2 5x6 screw Disassembling the ODD Drive NOTE Do not disassemble the ODD drive when it is working
130. r the fault is in the speaker system or not If not all sources have sound problem the problem is in the monaural 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 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 Satellite L550 Satellite L555 Satellite L557 Satellite Pro L550 25 2 Troubleshooting Procedures 2 9 Wireless LAN Troubleshooting 4 E Perform diagnostic test Procedure 1 am c Wireless LAN system po uM Mo s is not faulty Continue ED 5 LAN problem troubleshooting refer Ec d to Figure 2 1 r Yes Perform connector and replacement check Procedure 2 Replace wireless LAN antenna unit Replace system board
131. rd Troubleshooting C START gt Perform Express card test Procedure 1 Do errors occur during Express card test Express card unit is notfaulty Yes Perform Express card socket replacement check Procedure 2 Replace system board Figure 2 18 Express card troubleshooting process Satellite L550 Satellite L555 Satellite L557 Satellite Pro L550 46 2 Troubleshooting Procedures This section describes how to determine if the Express 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 Express card test Procedure 2 Express card socket replacement check Procedure 1 Express card test The Express test card contains a Express test program Use windows application to check device can work fine or not If an error occurs Ensure the card in fully inserted into the socket before running the program If an error occurs during the Express card test perform Procedure 2 If no error occurs it is likely that the original PC card was faulty Procedure 2 Express card socket replacement check The Express card socket may be damaged or defective for instance the socket pins can be bent Disassemble the computer following the steps described in Chapter 4 Replacement Procedures and replace the socket
132. rd according to the following procedures 1 Attach the cable to the back of the modem card 2 Install the card in the correct position and secure it with two M2x3 screws Satellite L550 Maintenance Manual 4 47 4 Replacement Procedures Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply amp 2 to the text that you want to appear here 4 21 LCD Bezel Assembly Removing the LCD Bezel Assembly Remove the LCD bezel assembly according to the following procedures 1 Remove six rubber seals from above the screws in the LCD bezel assembly 2 Remove six M2 5x6 screws as shown in Figure 4 35 M2 5x6 6 Figure 4 35 Removing the LCD Bezel Assembly 3 Take out the bezel hinge wall from the cover hinge wall as shown in Figure 4 36 Satellite L550 Maintenance Manual 4 48 Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply 2 to the text that you want to appear here 4 Replacement Procedures Figure 4 36 Taking out the hinge wall 4 Pullapart the lower half of the bezel leave this portion above the left and right LCD hinge 5 Push the bezel from the left and right side as shown in Figure 4 37 and remove the bezel from the display assembly e Figure 4 37 Removing the bezel from the hinge wall Satellite L550 Maintenance Manual 4 49
133. res 4 8 Function Board Removing the Function Board Remove the function board according to the following procedures and Figure 4 14 1 Remove one M2x3 screw from the function board 2 Separate the function board from the logic upper assembly M2x3 1 Figure 4 14 Removing the function board Installing the function board Install the function board according to the following procedures 1 Seat the function board in the correct place on the logic upper assembly 2 Secure the function board with one M2x3 screw Satellite L550 Maintenance Manual 4 25 4 Replacement Procedures Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply amp 2 to the text that you want to appear here 4 9 Bluetooth Card Removing the Bluetooth card Remove the Bluetooth card according to the following procedures and Figure 4 15 1 Remove the Bluetooth cable out from under the hooks on the logic upper assembly 2 Press down the release latch and push the Bluetooth card in the direction indicated in figure 4 15 sliding the Bluetooth card out 3 Remove the card from the logic upper assembly
134. rforms the following functions 1 Power input monitor Checks whether the AC adapter DC power supply is connected to the computer Checks whether the battery pack is connected to the computer Monitors the DC power supply input voltage AC Adapter output voltage 2 Power supply s internal control Turns on and off the battery pack charging power supply Issues a charging current instruction to the PWM control IC of the battery pack charging power supply Controls the supply of DC power supply input AC Adapter output to the power supply unit Controls the supply of power to the system block load logic circuit side Controls forced shutdown if the power supply malfunctions 3 Logic circuit control Instructs the gate array to enable disable tuning the power on Controls power on off operation 4 Status display Turns on the Power LED in Green Battery indicator in Green or Amber DC IN indicator in Green 5 External interface Performs communication through the I2C bus via the internal EC KBC Transfers the power supply operation mode Satellite L550 Maintenance Manual 1 12 Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply 2 to the text that you want to appear here 1 Hardware Overview 6 Output monitor Monitors the voltage output to the system block load logic circuit side Monitors the voltage over voltage input ou
135. rmly in the laptop Press down the cover in the position around the key F9 and slide to the side to make sure the last hook on the back of the cover 1 placed firmly in the laptop Satellite L550 Maintenance Manual 4 21 4 Replacement Procedures Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply amp 2 to the text that you want to appear here 4 7 Logic Upper Assembly Removing the Logic Upper Assembly Remove the logic upper assembly according to the following procedures and Figure 4 11 4 12 and 4 13 1 Turn the laptop upside down and remove the following 21 screws Seventeen M2 5x6 screws Four M2 5x4 screws M2 5x4 4 M2 5x6 17 Mere EFT pL T ii 9 i 99 ajoj Le D pa ay eas TEM E e gt b 0 aU I AE bsec Figure 4 11 Removing the screws from the bottom of the laptop Satellite L550 Maintenance Manual 4 22 Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply 2 to the text that you want to appear here 4 Replacement Procedur
136. rocedures The Camera board or system board may be the reason of a Camera fault Either of these two components may be damaged To determine if the computer s Camera 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 Diagnostic test Procedure 2 Connector and replacement check Procedure 1 Diagnostic test Run the functioning Program in windows which will display the Camera test result If tests and diagnostics result abnormal go to Procedure 2 If an error is not located the Camera system is functioning properly Procedure 2 Connector and replacement check The Camera board 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 Make sure that the Camera board cable is securely slotted into the system board If the problem persists go to Check 2 Check 2 Camera board 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 system board may be damaged Replace it with a new one following the instructions in Chapter 4 Satellite L550 Satellite L555 Satellite L557 Satellite Pro L550 29 2 Troubleshooting Procedures 2 11 Bluetooth Troubleshooting START Preform diagnostic
137. roubleshooting Perform external display check Procedure 1 Does the external display function ok Perform diagnostic check Procedure 2 Display is not faulty Continue troubleshooting refer to Figure 2 1 W as a display roblem detected No gt Yes Perform connector and replacement check Procedure 3 Replace system board s Aa Ae Figure 2 3 Display troubleshooting process Satellite L550 ProL550 Series Maintenance Manual 14 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 and then boot 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 Procedure2 Diagnostic check The Display Test program is stored the computer s Diagnostics disk Thi
138. s for unique pan head screws studs etc Symbol examples 6 mm bind screw B6 12 mm bind screw B12 5 mm stud U5 The numeral represents the rounded length of the threaded portion regardless of the entire stud length Satellite L550 Maintenance Manual 4 8 Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply 2 to the text that you want to appear 4 Replacement Procedures 4 2 Battery Removing the Battery Pack Remove the battery pack according to the following procedures and Figure 4 1 CAUTION When handling the battery packs use care not to short circuit the terminals Do not drop hit twist or bend the battery packs Do not scratch or break up their casing 1 Turn the laptop upside down so that the bottom is facing you 2 Slide out the battery lock 3 Slide the battery release latch and remove the battery pack from the laptop Figure 4 1 Removing the Battery Pack NOTE Dispose of the used battery packs as required by local ordinances or regulations
139. s 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 Satellite L550 ProL550 Series Maintenance Manual 15 2 Troubleshooting Procedures Procedure 3 Connector and replacement check The 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 sure the DDR 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 Check 2 Replace the LCD module with a new one and test display again If the problem still exists perform Check 4 Check3 Replace the LCD cable with a new one and test display again If the problem still exists perform Check 5 Check4 system board may be damaged Replace it with a new one Satellite L550 ProL550 Series Maintenance Manual 16 2 Troubleshooting Procedures 2 5 Keyboard Troubleshooting Perform external keyboard check Procedure 1 P d SS 2 ES ES AS _ Does the external keyb
140. ss 48 Figure 2 20 E SATA troubleshooting process 2 50 Figure 2 21 Optical Drive Troubleshooting cesses 52 Tables 21 Battery LED uu uu sene etm eor b ee EA E ROME 9 232 10 Satellite L550 ProL550 Series Maintenance Manual 2 2 Troubleshooting Procedures 21 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 7 Wireless LAN 13 Express card 19 1 2 HDD SSD 8 Camera 14 HDMI 3 Keyboard 9 Bluetooth 15 E SATA 4 USB HDD 10 Headphone 16 Optical drive 5 Touchpad 11 MIC 17 LAN 6 Speaker 12 Modem 18 BUTTON The Diagnostics Disk operations are described in Chapter 3 Detailed replacement procedures are given in Chapter 4 The following tools are necessary for implementing the troubleshooting procedures 55200 l ON t TZ NS Diagnostics Disk Repair 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 Sycard EXPRESS CARD test card Cleaning kit for floppy disk drive troubleshooting Cleaning kit for optical drive tr
141. ssembly can often cause problems Check that all the cable and connectors are fastened securely Before securing the FRUs or other parts check that the cables are not caught by the screws or FRUs Check that all the latches are closed securely Check that all the required screws are used to secure the FRUs Using wrong screws can damage the threads or heads of the screws or does not ensure that the FRUs are secure After installing a FRU make sure that the FRU and laptop work normally Satellite L550 Maintenance Manual 4 6 Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply 2 to the text that you want to appear 4 Replacement Procedures Tools and Equipment For your safety and that of other people in the working environment it is strongly recommended that you use electrostatic discharge ESD equipment The proper use of this equipment will ensure successful repair work and reduce the costs for repairing damaged components The equipment and tools required for disassembly and reassembly are One 2 mm Phillips screwdriver One 4 mm flat blade screwdriver Torx screwdriver Tweezers for pulling out screws ESD mats for the floor and work desks An ESD wrist strap or heel grounder Anti static carpets or flooring Air ionizers for highly electrostatic sensitive areas plastic in credit size Screw
142. stem board If the problem persists go to Check 2 Check 2 Check that the wireless communication function is enable by BIOS setup FN F8 and then make sure that the wireless communication LED on the front panel is light If the LED is light 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 light when the wireless communication function is enabled by BIOS setup or FN F8 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 Satellite L550 Satellite L555 Satellite L557 Satellite Pro L550 27 2 Troubleshooting Procedures 2 10 Camera Troubleshooting START Preform diagnostic test Procedure 1 YES Camere is not faulty Continue Was a Camera problem detect gt troubleshooting refer to Figure 2 1 Ye Y Perform connector and replacement check Procedure 2 Camera Replace system board Figure 2 9 Camera troubleshooting process Satellite L550 Satellite L555 Satellite L557 Satellite Pro L550 28 2 Troubleshooting P
143. test Procedure 1 Bluetooth is not faulty NO Continue troubleshooting refer to Figure 2 1 Was a Bluetooth problem detect YES Y Perform connector and replacement check Procedure 2 Bluetooth antenna moudle system board Figure 2 10 Bluetooth troubleshooting process Satellite L550 Satellite L555 Satellite L557 Satellite Pro L550 30 2 Troubleshooting Procedures The Bluetooth antenna wire Bluetooth module or system board may be the reason of a Bluetooth fault Any of these components may be damaged To determine if the computer s Bluetooth is functioning properly perform the following procedures Figure 2 16 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 Bluetooth test Refer to Chapter 3 item A CONFIG CHECK TEST 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 Bluetooth system is functioning properly Procedure 2 Connector and replacement check The Bluetooth antenna module or system board may be disconnected or damaged Disassemble the computer following the steps described in Chapter 4 Repl
144. the Bluetooth perform the Bluetooth Troubleshooting procedures in Section 2 12 5 If an error is detected when using the MIC perform the MIC troubleshooting procedures in Section 2 16 Satellite L550 ProL550 Series Maintenance Manual 8 2 Troubleshooting Procedures 2 3 Power Supply Troubleshooting Check Power Supply Status Procedure 1 Are the DC IN and Battery LEDs lit Yes Replace adaptor battery Procedure 2 Check power supply connections Procedure 3 Can you turn the computer on Yes Run diagnostic program Procedure 4 connections secure Yes Are the internal power Perform internal connection check Procedure 5 Replace system board EN aa C END P Figure 2 2 Power Supply Troubleshooting Process 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 Satellite L550 ProL550 Series Maintenance Manual 9 2 Troubleshooting 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
145. the following procedures and Figure 4 32 CAUTION When removing the CPU keep the following in mind The CPU can become very hot during operation Be sure to let it cool down before starting repair work 1 Unlock the CPU by rotating the cam on the CPU socket counterclockwise to the unlock position with a flat blade screwdriver BO Q Fi AW EE JOO 000 JC i Figure 4 32 Removing the CPU 4 Remove the CPU Satellite L550 Maintenance Manual 4 44 Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply 2 to the text that you want to appear here 4 Replacement Procedures Installing CPU Install the CPU according to the following procedures 1 Check the cam is in the unlock position 2 Seat the CPU on the socket using care not to damage the pins Align the CPU with the CPU socket by using the triangle as a guide 3 Rotate the cam clockwise to the lock position with a flat blade screwdriver Satellite L550 Mai
146. the other procedures as required Procedure 1 3 in 1 card test Satellite L550 Satellite L555 Satellite L557 Satellite Pro L550 32 2 Troubleshooting Procedures Procedure 2 3 in 1 card socket check Procedure 1 3 1card test The 2 in 1 Card test card contains a 3 in 1 card test program Ensure the card in fully inserted into the socket before running the program If an error occurs during the 1 card test perform Procedure 2 If no error occurs it is likely that the original 3 in 1 card was faulty Procedure 2 3 in 1 Card socket check The 3 in 1 Card socket may be damaged or defective for instance the socket pins can be bent Disassemble the computer following the steps described in Chapter 4 Replacement Procedures and check 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 Satellite L550 Satellite L555 Satellite L557 Satellite Pro L550 33 2 Troubleshooting Procedures 2 13 HDD SSD Troubleshooting START Preform diagnostic test Procedure 1 HDD isnot faulty Continue troubleshooting refer to Figure 2 1 Wes a HDD problem detect YES Perform connector and replacement check Procedure 2 Y Replace HDD 1 Replace system board ES END Figure 2 12 HDD troubleshooting process Satellite L55
147. the text that you want to appear here 1 Hardware Overview Compal Confidential Model Name KTWAA KTWAE Fan Control Intel Penryn Processor Thermal Sensor Clock Generator File Name LA 4981P APIO x uPGA 478 Package 4 Socket P 4 5 6 CRT FSB 0220200 Memory BUS DDRII 2007 DDRII SO DIMM X2 VGA LCD Conn Intel Cantiga Dual Channel 12 3 Page 14 15 H ATI M92XT 64bit with 128 256 PCE ae GM45 PM45 GL40 1 8V DDRII 667 800 M96 128bit with 256 512 __ amp N _ L GM47 GM49 evel Shifter uFCBGA 1329 page 20 page 7 8 9 10 11 12 13 5 ISB port 0 1 ISB port 8 WiMax page 25 page 26 2 USB port 7 DMI x4 Link conn nt Camera USB port 5 11 Ple porti PCIe 1x 2 FENE EX xpress Card SATA poti SATA HDDO USB port Intel ICH9 M page 25 xpress Card PCIe 1 25 1572 5612 250 67 port 4 SATA ODD TLSTOSEL PCIe 1 RJ45 R 3 Cle 1 PCleport3 page 28 T5V23GHzCS0ME S BGA 676 SATA port 5 USB RTSSI59E eSATA USB USB 10 page 32 21 22 23 24 USB port 3 USB port 3 FENG page 25 page 25 PCMCIA 02601 31 HD Audio 3 3V 1 5V 24 576MHz 48Mhz HDA
148. 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 ok 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 Make 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 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 Check3 system board may be damaged Replace it with a new one following the instructions in Chapter 4 Satellite L550 ProL550 Series Maintenance Manual 18 2 Troubleshooting Procedures 2 6 External USB Devices Troubleshooting Perform external device and connection check Procedure 1 Check USB oes the device function port es when connected toa connection different USB port Original USB device is faulty No Replace system board gt Procedure 2 Satellite L550 ProL550 Series Maintenance Manual 19 2 Troubleshooting Procedures Figure 2 5 External USB device troubleshooting process
149. tput current of the battery pack Monitors the internal temperature of the battery pack Monitors the supply voltage from the AC adapter Satellite L550 Maintenance Manual 1 13 1 Hardware Overview Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply 2 to the text that you want to appear here 1 5 Batteries The computer has the following two types of batteries Main Battery Pack Real Time Clock RTC Battery 1 5 1 Main Battery The main battery pack serves as the computer s main power source when the AC adapter is not attached The main battery maintains the state of the computer when the AC adapter is detached 15 2 Battery Charging Control Battery charging is controlled by EC KB926 When the AC adapter and battery pack are attached to the computer the EC KB926 controls the charge on off state and detects a full charge Battery Charge When the AC adapter is attached the battery is charged by off state charge when the system is powered off or by on state charge when it is powered on Table 1 3 Quick Normal Charging Time Off State Charge 3 6 12 Cell About 4 hours max On State Charge 3 6 12 Cell About 12 hours max Satellite L550 Maintenance Manual 1 14 Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply 2 to the text that you want to appear here 1 Hardware Overview
150. tton board M2 5x4 2 Figure 4 16 Removing the screws from the touch pad button board 2 Remove the touch pad button board Satellite L550 Maintenance Manual 4 28 Error Use the Home tab to apply 2 to the text that you want to appear here Error Use the Home tab to apply 2 to the text that you want to appear here 4 Replacement Procedures 3 Remove one M2 5x4 screw from the touch pad bracket 2 5 4 1 Figure 4 17 Removing the touch pad bracket 4 Remove the touch pad bracket Installing the Touch Pad Button board and Bracket Install the touch pad button board and bracket according to the following procedures 1 Seat the touch pad bracket in the correct position then secure the bracket with one 2 5 4 screw 2 Seat the touch pad button board over the touch pad bracket then secure the board with two M2 5x4 screws Satellite L550
151. udio CD test Procedure 2 Drive cleaning check Procedure 3 Software check Procedure 4 Connection and replacement check Procedure 1 Audio CD check First insert an audio CD into the CD DVD drive Use windows application to check device can work fine or not If it works the problem is not with the drive Go to Procedure 3 If the audio CD does not work go to Procedure 2 If the CD DVD LED on the front panel does not light when the disc is played and the drive gives no response go straight to Procedure 3 Procedure2 Drive cleaning check Insert a CD DVD drive cleaning disk into the drive clean according to the drive cleaning product instructions If the problem persists go to Procedure 3 Procedure 3 Software check Ensure that the appropriate driver has been installed on the computer for the CD DVD drive Satellite L550 Satellite L555 Satellite L557 Satellite Pro L550 53 2 Troubleshooting Procedures Procedure 4 Connection check and replacement check The optical drive connects to the system board The drive may be disconnected or the drive or system board may be damaged Disassemble the computer following the steps described in Chapter 4 Replacement Procedures and perform the following checks Check 1 Make sure the drive is firmly connected to the system board If the connection is good and there is still an error go to Check 2 Check 2 drive or drive cable may be defective or damaged Replace each with a new one
152. vice in this section Always begin disassembly by removing the AC adapter and battery pack Remove the optional parts and accessories as well The procedures for removing the batteries will be explained later Disassemble the laptop only when an abnormality has occurred Use only the recommended tools To run and store the laptop be sure to prepare a working environment that is free from Dust and contaminants Static electricity Extremely high or low temperatures and extremely high humidity Run the diagnostic tests explained in Chapter 2 of this manual to identify the FRU that has probably caused the system failure Perform only the required machine operations Use only the disassembly and reinstallation procedures described in this manual Place the removed components in a safe place away from the laptop so that they are not damaged or get in the way of you doing your work Normally a number of screws need to be removed or replaced during disassembling Place the removed screws in a safe place so that you can easily find the right screws for the right components When assembling the laptop use the specified screws to fasten the parts to the specified locations See the appropriate explanations and figures for screw sizes To avoid personal injury use care to handle components that have sharp edges or corners After you have replaced a FRU check that the FRU works correctly to ensure normal laptop operation Satellite
153. y may burst or explode To avoid leakage of alkaline solutions never heat or disassemble the battery packs Never throw the battery packs into a fire If this is violated they will explode 2 The components such as the power supply and inverter carry high voltages When partially disassemble the laptop and turn on the components use extreme care not to touch the connectors and components to avoid the risk of electrical shock Do not disassemble individual components during first level maintenance WARNING 1 To avoid the risk of electrical shock turn the laptop off and remove the AC adapter from the electrical outlet Because the battery in the laptop is left charged the risk of electrical shock remains even after the AC adapter is removed from the electrical outlet To avoid the risk of electrical shock be sure to remove any metal jewelry or accessories such as necklaces bracelets and rings before starting work Never work with damp or wet hands To avoid personal injury use care to avoid the sharp edges or corners of the components Satellite L550 Maintenance Manual 4 3 4 Replacement Procedures Error Use the Home tab to apply 88 2 to the text that you want to appear here Error Use the Home tab to apply amp 2 to the text that you want to appear here CAUTION 1 Before replacing a component make sure that the replacement component meets the required specifications To avoid laptop fa

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