Toshiba A3X - page 299

4.23 Fluorescent Lamp 4 Replacement Procedures

7. Remove the lamp back cover.

1) Remove the two screws from the lamp back cover.

2) Remove the lamp back cover.

Screw

Lamp back cover

Figure 4-59 Replacing 15.0 Inch Samsung fluorescent lamp (XGA) (7)

Satellite A50S/TECRA A3X Maintenance Manual (960-534) [CONFIDENTIAL] 4-77

Contents

Main Toshiba Personal Computer Satellite A50S/TECRA A3X Series Maintenance Manual TOSHIBA CORPORATION Page Preface Page Page Table of Contents Page Page Page Page Page Page Chapter 1 Contents Page Page Page 1.1 Features Page Page Page Page Page Page Page Page 1.3 3.5-inch USB Floppy Disk Drive 1.4 2.5-inch Hard Disk Drive 1 Hardware Overview 1.4 2.5-inch Hard Disk Drive Table 1-3 2.5-inch HDD specifications (1/2) Table 1-3 2.5-inch HDD specifications (2/2) 1.5 CD-ROM Drive 1 Hardware Overview 1.5 CD-ROM Drive Table 1-5 CD-ROM drive specifications 1.6 DVD-ROM Drive 1 Hardware Overview 1.6 DVD-ROM Drive Table 1-7 DVD-ROM drive specifications (1/2) 1.6 DVD-ROM Drive 1 Hardware Overview Table 1-7 DVD-ROM drive specifications (2/2) 1.7 DVD-ROM & CD-R/RW Drive 1.7 DVD-ROM & CD-R/RW Drive 1 Hardware Overview Table 1-9 DVD-ROM & CD-R/RW drive specifications (1/2) 1 Hardware Overview 1.7 DVD-ROM & CD-R/RW Drive Table 1-9 DVD-ROM & CD-R/RW drive specifications (2/2) 1.8 DVD Super Multi drive 1 Hardware Overview 1.8 DVD Super Multi drive Table 1-11 DVD Super Multi drive specifications (1/2) 1.8 DVD Super Multi drive 1 Hardware Overview Table 1-11 DVD Super Multi drive specifications (2/2) 1.9 Keyboard 1.10 TFT Color Display Page Page 1.11 Power Supply 1.11 Power Supply 1 Hardware Overview Satellite A50S/TECRA A3X Maintenance Manual (960-534) [CONFIDENTIAL] 1-29 Table 1-14 Power supply output rating 1.12 Batteries Page Page 1.13 AC Adapter Page Page Page Chapter 2 Contents Page Page Page 2.1 Troubleshooting Page Page Page Page 2.3 Power Supply Troubleshooting Page Page 2.3 Power Supply Troubleshooting 2 Troubleshooting Procedures DC power supply (AC adapter) Main Battery Second Battery S3V output (P60) 2 Troubleshooting Procedures 2.3 Power Supply Troubleshooting E5V output (P61) E3V output (P62) 1R5-E1V output (P63: MUX_CH0) 1R8-B1V output (P64) 2.3 Power Supply Troubleshooting 2 Troubleshooting Procedures PPV output (P65) PTV output (P66) 1R5-E1V output (P63: MUX_CH1) PTV output (P73) Page Page Page 2.4 System Board Troubleshooting Page Page Page 2.4 System Board Troubleshooting 2 Troubleshooting Procedures Table 2-3 D port status (1/9) Satellite A50S/TECRA A3X Maintenance Manual (960-534) [CONFIDENTIAL] 2-19 2 Troubleshooting Procedures 2.4 System Board Troubleshooting 2-20 [CONFIDENTIAL] Satellite A50S/TECRA A3X Maintenance Manual (960-534) Table 2-3 D port status (2/9) 2.4 System Board Troubleshooting 2 Troubleshooting Procedures Satellite A50S/TECRA A3X Maintenance Manual (960-534) [CONFIDENTIAL] 2-21 Table 2-3 D port status (3/9) 2 Troubleshooting Procedures 2.4 System Board Troubleshooting 2-22 [CONFIDENTIAL] Satellite A50S/TECRA A3X Maintenance Manual (960-534) Table 2-3 D port status (4/9) 2.4 System Board Troubleshooting 2 Troubleshooting Procedures Satellite A50S/TECRA A3X Maintenance Manual (960-534) [CONFIDENTIAL] 2-23 Table 2-3 D port status (5/9) 2 Troubleshooting Procedures 2.4 System Board Troubleshooting 2-24 [CONFIDENTIAL] Satellite A50S/TECRA A3X Maintenance Manual (960-534) Table 2-3 D port status (6/9) 2.4 System Board Troubleshooting 2 Troubleshooting Procedures Satellite A50S/TECRA A3X Maintenance Manual (960-534) [CONFIDENTIAL] 2-25 Table 2-3 D port status (7/9) 2 Troubleshooting Procedures 2.4 System Board Troubleshooting 2-26 [CONFIDENTIAL] Satellite A50S/TECRA A3X Maintenance Manual (960-534) Table 2-3 D port status (8/9) 2.4 System Board Troubleshooting 2 Troubleshooting Procedures Satellite A50S/TECRA A3X Maintenance Manual (960-534) [CONFIDENTIAL] 2-27 Table 2-3 D port status (9/9) F124H F125H FFFFH Page 2.5 3.5 FDD Troubleshooting Page Page 2.6 2.5 HDD Troubleshooting Page Page Page Page 2.7 Keyboard Troubleshooting 2.8 Display Troubleshooting Page Page 2.9 Touch Pad Troubleshooting 2.10 Optical Drive Troubleshooting 2.11 Modem Troubleshooting 2.12 LAN Troubleshooting 2.13 Sound Troubleshooting Page 2.14 Wireless LAN Troubleshooting Page Page Page Chapter 3 Contents Page Page Page 3.1 The Diagnostic Test Page Page 3.2 Executing the Diagnostic Test Page Page Page 3.3 Setting of the hardware configuration Page Page 3.4 Heatrun Test 3.5 Subtest Names 3 Tests and Diagnostics 3-12 [CONFIDENTIAL] Satellite A50S/TECRA A3X Maintenance Manual (960-534) 3.5 Subtest Names 3 Tests and Diagnostics 3.5 Subtest Names Satellite A50S/TECRA A3X Maintenance Manual (960-534) [CONFIDENTIAL] 3-13 Table 3-1 Subtest names (2/2) 3.6 System Test Page 3.7 Memory Test 3.8 Keyboard Test 3.9 Display Test Page Page 3.10 Floppy Disk Test Page 3.11 Printer Test Page 3.12 Async Test 3.13 Hard Disk Test Page Page 3.14 Real Timer Test Page 3.15 NDP Test 3.16 Expansion Test Page 3.17 CD-ROM/DVD-ROM Test 3 Tests and Diagnostics 3.18 Error Code and Error Status Names 3.18 Error Code and Error Status Names 3.18 Error Code and Error Status Names 3 Tests and Diagnostics Table 3-2 Error codes and error status names (2/3) 3 Tests and Diagnostics 3.18 Error Code and Error Status Names Table 3-2 Error codes and error status names (3/3) 3.19 Hard Disk Test Detail Status 3 Tests and Diagnostics 3.19 Hard Disk Test Detail Status Tables 3-4 Error register contents 3.20 ONLY ONE TEST Page Page Page Page Page 3.21 Head Cleaning 3.22 Log Utilities Page 3.23 Running Test 3.24 Floppy Disk Drive Utilities Page Page Page Page 3.25 System Configuration Page 3.26 Wireless LAN Test Program (Intel-made b/g) Page Page Page 3.27 Wireless LAN Test Program (Intel-made a/b/g) Page Page Page Page 3.28 Wireless LAN Test Program (Askey-made) Page Page Page 3.29 LAN/Modem/Bluetooth/IEEE1394 Test Program Page Page Page Page Page 3.29 LAN/Modem/Bluetooth/IEEE1394 Test Program 3 Tests and Diagnostics 3-76 [CONFIDENTIAL] Satellite A50S/TECRA A3X Maintenance Manual (960-534) If the target machine has any problem, it displays Error CODE. The following message is displayed. Table 3-5 Error message 3 Tests and Diagnostics 3.29 LAN/Modem/Bluetooth/IEEE1394 Test Program Satellite A50S/TECRA A3X Maintenance Manual (960-534) [CONFIDENTIAL] 3-77 Page 3 Tests and Diagnostics 3.29 LAN/Modem/Bluetooth/IEEE1394 Test Program Satellite A50S/TECRA A3X Maintenance Manual (960-534) [CONFIDENTIAL] 3-79 3.29 LAN/Modem/Bluetooth/IEEE1394 Test Program 3 Tests and Diagnostics 3-80 [CONFIDENTIAL] Satellite A50S/TECRA A3X Maintenance Manual (960-534) 3 Tests and Diagnostics 3.29 LAN/Modem/Bluetooth/IEEE1394 Test Program Satellite A50S/TECRA A3X Maintenance Manual (960-534) [CONFIDENTIAL] 3-81 3.29 LAN/Modem/Bluetooth/IEEE1394 Test Program 3 Tests and Diagnostics 3-82 [CONFIDENTIAL] Satellite A50S/TECRA A3X Maintenance Manual (960-534) Table 3-7 Error code for Bluetooth test (BD_ADDR of the DUT) (2/2) Page 3.30 Sound Test program Page Page Page Page Page 3.31 SETUP Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Chapter 4 Contents Page Page Page 4.1 Overview 4 Replacement Procedures 4.1 Overview Satellite A50S/TECRA A3X Maintenance Manual (960-534) [CONFIDENTIAL] 4-1 Page Page Page Page Page Page 4.2 Battery Pack/PC Card Page Page 4.3 Memory Module Page Page 4.4 MDC Page 4.5 HDD Page Page 4.6 Wireless LAN card Page 4.7 Cooling Fin/CPU Page Page Page Page 4.8 Keyboard Page Page Page 4.9 Switch membrane board Page 4.10 Optical Drive Page 4.11 Display Assembly Page Page Page 4.12 Sound Board 4.13 Parallel port board / Serial port board / S-Video board Page Page Page Page Page Page 4.14 Fan 4.15 System Board/DC-IN Jack/RTC Battery Page Page 4.16 PC card cover 4.17 Battery Latch Page 4.18 Battery Lock Page 4.19 Touch Pad Page 4.20 LCD Unit/FL Inverter Page Page Page 4.21 Latch Assembly 4.22 Wireless LAN Antenna/Speaker/Hinge Page Page Page Page Page Page Page Page 4.23 Fluorescent Lamp Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Appendix Contents Page Page Page Page Page Appendix A Handling the LCD Module Precautions for handling the LCD module Page Page Page Page Page Appendix B Board Layout B.1 System Board Front View Page B.2 System Board Back View Page B.3 Sound Board (FLGSN*) B.4 Parallel port Board (FLGCP*) B.5 Serial port Board (FLGSR*) B.6 S-Video Board (FLKCS*) Appendix. C Pin Assignment Appendices Appendix C Pin Assignment System Board (FLKSY*) C.1 CN1400 Memory 0 Connector (200-pin) Table C-1 Memory 0 connector pin assignment (200-pin) (1/4) Appendices Appendix. C Pin Assignment Table C-1 Memory 0 connector pin assignment (200-pin) (2/4) Appendix. C Pin Assignment Appendices Table C-1 Memory 0 connector pin assignment (200-pin) (3/4) Page Appendix. C Pin Assignment Appendices C.2 CN1410 Memory 1 Connector (200-pin) Table C-2 Memory 1 connector pin assignment (200-pin) (1/4) Appendices Appendix. C Pin Assignment Table C-2 Memory 1 connector pin assignment (200-pin) (2/4) Appendix. C Pin Assignment Appendices Table C-2 Memory 1 connector pin assignment (200-pin) (3/4) Appendices Appendix. C Pin Assignment Table C-2 Memory 1 connector pin assignment (200-pin) (4/4) C.3 CN1800 HDD I/F Connector (44-pin) Table C-3 HDD I/F connector pin assignment (44-pin) Appendix. C Pin Assignment Appendices C.4 CN1810 Optical Drive I/F Connector (50-pin) Table C-4 Optical drive I/F connector pin assignment (50-pin) Appendices Appendix. C Pin Assignment C.5 IS2110 PC Card I/F Connector (70-pin) Table C-5 PC card I/F connector pin assignment (70-pin) (1/2) Page Appendices Appendix. C Pin Assignment C.6 CN2300 Docking I/F connector (240-pin) Table C-6 Docking I/F connector (240-pin)(1/4) Appendix. C Pin Assignment Appendices Table C-6 Docking I/F connector (240-pin)(2/4) Appendices Appendix. C Pin Assignment Table C-6 Docking I/F connector (240-pin)(3/4) Appendix. C Pin Assignment Appendices Table C-6 Docking I/F connector (240-pin)(4/4) Appendices Appendix. C Pin Assignment C.7 CN2200 Mini PCI I/F Connector (124-pin) Table C-7 Mini PCI I/F connector pin assignment (124-pin) (1/2) Appendix. C Pin Assignment Appendices Table C-7 Mini PCI I/F connector pin assignment (124-pin) (2/2) Appendices Appendix. C Pin Assignment C.8 CN3010 MDC I/F Connector (12-pin) Table C-8 MDC I/F connector pin assignment (12-pin) C.9 CN3490 Debug Port Connector (12-pin) Table C-9 Debug port connector pin assignment (12-pin) Appendix. C Pin Assignment Appendices C.10 CN3200 Keyboard I/F Connector (34-pin) Table C-10 Keyboard I/F connector pin assignment (34-pin) C.11 CN3240 Touch Pad I/F Connector (4-pin) Table C-11 Touch pad I/F connector pin assignment (4-pin) Appendices Appendix. C Pin Assignment C.12 CN3280 Switch Board I/F Connector (10-pin) Table C-12 Switch board I/F connector pin assignment (10-pin) C.13 CN3502 FLGCP/FLGSR Board I/F Connector (30-pin) Table C-13 FLGCP/FLGSR board I/F connector pin assignment (30-pin) C.14 CN4100 Network I/F Connector (14-pin) C.15 CN4611 USB harness I/F Connector (8-pin) C.16 CN4610 USB I/F Connector 0 (4-pin) Appendices Appendix. C Pin Assignment C.17 CN5000 LCD I/F Connector (41-pin) Table C-17 LCD I/F connector pin assignment (41-pin) Appendix. C Pin Assignment Appendices C.18 CN5620 RGB I/F Connector (15-pin) Table C-18 RGB I/F connector pin assignment (15-pin) C.19 CN5340 S-Video I/F Connector (5-pin) Table C-19 S-Video I/F connector pin assignment (5-pin) C.20 CN6001 Speaker Connector (Left) (3-pin) C.21 CN6002 Speaker Connector (Right) (2-pin) Table C-21 Speaker connector (right) pin assignment (2-pin) C.22 CN9500 Sound Board I/F Connector (18-pin) Table C-22 Sound Board I/F connector pin assignment (18-pin) C.23 CN8800 DC-IN Connector (4-pin) C.24 CN8020 1st Battery Connector (10-pin) C.25 CN9990 RTC Battery Connector (3-pin) C.26 CN8770 FAN I/F Connector (4-pin) Sound Board (FLGSN*) C.27 J6070 External Microphone Connector (6-pin) C.28 J6310 Headphone Connector (6-pin) C.29 CN9510 System Board I/F Connector (18-pin) Page Appendices Appendix. C Pin Assignment Parallel Board (FLGCP*) C.31 CN3503 System Board I/F Connector (30-pin) Table C-31 System board I/F Connector pin assignment (30-pin) Appendix. C Pin Assignment Appendices C.32 CN4613 Parallel I/F Connector (25-pin) Table C-32 Parallel I/F Connector pin assignment (25-pin) C.33 CN4620 USB harness I/F Connector (8-pin) Table C-33 USB harness I/F connector pin assignment (8-pin) C.34 CN4622 USB I/F Connector 1 (4-pin) Page Page Appendices Appendix. C Pin Assignment Serial Board (FLGSR*) C.40 CN3504 System Board I/F Connector (30-pin) Table C-40 System board I/F Connector pin assignment (30-pin) C.41 CN3440 Serial I/F Connector (9-pin) C.42 CN4630 USB harness I/F Connector (8-pin) C.43 CN4632 USB I/F Connector 1 (4-pin) Page Appendix. D Keyboard Scan/Character Codes Appendices Satellite A50S/TECRA A3X Maintenance Manual (960-534) [CONFIDENTIAL] D-1 Appendix D Keyboard Scan/Character Codes Table D-1 Scan codes (set 1 and set 2) (1/4) Appendices Appendix. D Keyboard Scan/Character Codes D-2 [CONFIDENTIAL] Satellite A50S/TECRA A3X Maintenance Manual (960-534) Table D-1 Scan codes (set 1 and set 2) (2/4) Appendix. D Keyboard Scan/Character Codes Appendices Satellite A50S/TECRA A3X Maintenance Manual (960-534) [CONFIDENTIAL] D-3 Table D-1 Scan codes (set 1 and set 2) (3/4) Page Page Appendices Appendix. D Keyboard Scan/Character Codes D-6 [CONFIDENTIAL] Satellite A50S/TECRA A3X Maintenance Manual (960-534) Table D-3 Scan codes in Numlock mode Table D-4 Scan codes with Fn key Page Page Appendix E Key Layout E.1 Keyboard Layout Page Appendix F Wiring Diagrams Page Appendix G BIOS/KBC/EC Update Page Appendix H Reliability