Toshiba G50 - page 55

2.2 Troubleshooting Flowchart 2 Troubleshooting Procedures

Figure 2-1 Troubleshooting flowchart (2/2)

QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 2-5

Contents

Main Toshiba Personal Computer QOSMIO G50 Maintenance Manual TOSHIBA CORPORATION Page Preface Page Page Table of Contents Page Page Page Page Page Page Chapter 1 Contents Page 1.1 Features Page Page Page Page Page Page Page Page Page Page Page Page 1 Hardware Overview 1.3 2.5-inch Hard Disk Drive 1.3 2.5-inch Hard Disk Drive 1-14 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683) Figure 1-3 2.5-inch HDD Table 1-1 2.5-inch HDD dimensions 1.3 2.5-inch Hard Disk Drive 1 Hardware Overview QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 1-15 Table 1-2 2.5-inch HDD Specifications 1 Hardware Overview 1.3 2.5-inch Hard Disk Drive 1-16 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683) Page 1 Hardware Overview 1.4 DVD-Super Multi Drive 1-18 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683) Table 1-3 DVD Super Multi drive specification 1.4 DVD-Super Multi Drive 1 Hardware Overview QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 1-19 1.5 Keyboard 1.6 TFT Color Display Page Page 1.7 Power Supply 1.7 Power Supply 1 Hardware Overview QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 1-25 Table 1-6 Power supply output rating 1.8 Batteries Page Page 1.9 AC Adapter Page Page Page Chapter 2 Contents Page Page Page 2.1 Troubleshooting Page Page Page Page Page Page 2.3 Power Supply Troubleshooting Page Page Page Page Page Page Page Page Page 2.4 System Board Troubleshooting Page Page Page Page Page Page Page Page Page Page 2.4 System Board Troubleshooting 2 Troubleshooting Procedures NOTE: Status outputted by the test means the last error detected in the debug port test. Page 2.5 USB FDD Troubleshooting Page Page Page 2.6 2.5 HDD Troubleshooting Page Page Page Page 2.7 Keyboard Troubleshooting Page 2.8 Touch pad Troubleshooting Page 2.9 Display Troubleshooting Page Page 2.10 Optical Disk Drive Troubleshooting 2.11 Modem Troubleshooting Page 2.12 LAN Troubleshooting 2.13 Wireless LAN Troubleshooting Page Page 2.14 Bluetooth Troubleshooting Page 2.15 Sound Troubleshooting Page 2.16 PCI-E-Mini card slot3 Troubleshooting Page 2.17 FM tuner Troubleshooting 2.18 Bridge media Slot Troubleshooting 2.19 PCI ExpressCard Slot Troubleshooting 2.20 Fingerprint sensor Troubleshooting Page Page Page 2.21 Web camera Troubleshooting Page 2.22 Intel Turbo Memory 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 Page 3.3 Setting of the hardware configuration Page 3.4 Heatrun Test 3 Tests and Diagnostics 3.5 Subtest Names 3-12 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683) 3.5 Subtest Names 3.5 Subtest Names 3 Tests and Diagnostics QOSMIO G50 Maintenance Manual (960-683) [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 3.18 Error Code and Error Status Names 3 Tests and Diagnostics QOSMIO G20 Maintenance Manual (960-511) CONFIDENTIAL] 3-35 3.18 Error Code and Error Status Names 3 Tests and Diagnostics 3.18 Error Code and Error Status Names 3-36 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683) Table 3-2 Error codes and error status names (2/3) 3.18 Error Code and Error Status Names 3 Tests and Diagnostics QOSMIO G20 Maintenance Manual (960-511) CONFIDENTIAL] 3-37 Table 3-2 Error codes and error status names (3/3) 3.19 Hard Disk Test Detail Status 3.19 Hard Disk Test Detail Status 3 Tests and Diagnostics QOSMIO G20 Maintenance Manual (960-511) CONFIDENTIAL] 3-39 Tables 3-4 HDC Error register contents 3.20 ONLY ONE TEST Page Page Page 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 (Atheros) Page 3.27 Wireless LAN Test Program (Intel-made a/b/g/n Setting up of REF PC) Page Page Page Page 3.28 Wireless LAN Test Program on DUT PC (Intel-made) Page Page Page 3.29 LAN/Modem/Bluetooth/IEEE1394 Test Program Page Page 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 Page Chapter 4 Contents Page Page Page Page Page 4.1 Overview Page Page Page Page Page Page Page Page 4.2 Battery pack Page Page 4.3 ExpressCard/Bridge media Page 4.4 HDD Page Page Page Page 4.5 Memory module Page 4.6 Fan hood 4.7 Keyboard Page 4.8 Optical disk drive (DVD-super multi drive) Page Page Page 4.9 Cover assembly Page Page Page Page Page 4.10 Volume board Page 4.11 Power switch board Page 4.12 Touch sensor Page 4.13 Bluetooth module 4.14 Touch pad/Fingerprint sensor board/LED board Page Page Page Page Page 4.15 LCD assembly/Base assembly Page Page 4.16 Wireless LAN card Page Page 4.17 Back cover Page 4.18 TV tuner Page 4.19 GPS Page 4.20 Wireless USB card Page 4.21 MDC Page 4.22 FM tuner Page 4.23 RTC battery Page 4.24 System board Page Page Page 4.25 VGA fin/VGA/SPURS fin/SPURS Page Page Page 4.26 CPU fin/North bridge fin/CPU fan/CPU Page Page Page Page Page 4.27 Speaker Page Page Page Page 4.28 VGA fan 4.29 VGA fan cover 4.30 USB/Jack board Page 4.31 Hinge Page Page 4.32 Modem jack/FM jack/DC-IN jack/right LED Page 4.33 F-jack Page 4.34 Battery lock/Battery latch Page 4.35 LCD unit/FL inverter Page Page Page Page Page 4.36 Internal microphone/Camera module Page Page Page Page 4.37 Wireless LAN antenna/GPS antenna/Wireless USB antenna Page 4.38 Fluorescent lamp Page Page Page Page Page Page Page Page Page Appendix Contents Page Page Page Page Page Page Page Appendix A Handling the LCD Module Precautions for handling the LCD module Page Page Page Page Page Page Appendices Appendix B Board Layout *) connectors (F and ICs DUSY Table B-1 System board B-2 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683) B.2 System board (FDUSY*) Back View Appendices Appendix B Board Layout *) connectors DUSY Table B-2 System board (F B-4 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683) and ICs (back) B.3 USB / Sound Jack board () View B.4 LED board (FDULE*) View B.5 Power SW board (FDUPW*) View back DUPW Power SW 5 B.6 Finger Sensor board (FDUFS*) View B.7 SPRINT board (FSPRN*) View B.8 B-CAS board (FTUBC*) View: Japanese model only B.9 NB9P/9M board (FDUNP*) View B.10 NB9E board (FDUNE*) View Appendix C Pin Assignments Appendices Qosmio G50 Maintenance Manual (960-683) [CONFIDENTIAL] C-1 Appendix C Pin Assignments System board (FDUSY) C.1 CN1400 Memory A connector(200-pin) Table C-1 Memory A connector (200-pin) (1/3) Appendices Appendix C Pin Assignments C-2 [CONFIDENTIAL] Qosmio G50 Maintenance Manual (960-683) Table C-1 Memory A connector (200-pin) (2/3) Appendix C Pin Assignments Appendices Qosmio G50 Maintenance Manual (960-683) [CONFIDENTIAL] C-3 Table C-1 Memory A connector (200-pin) (3/3) Appendices Appendix C Pin Assignments C.2 CN1410 Memory B connector (Ch.B)(200-pin) Table C-2 Memory B connector (200-pin) (1/3) Appendix C Pin Assignments Appendices Qosmio G50 Maintenance Manual (960-683) [CONFIDENTIAL] C-5 Table C-2 Memory B connector (200-pin) (2/3) Appendices Appendix C Pin Assignments C-6 [CONFIDENTIAL] Qosmio G50 Maintenance Manual (960-683) Table C-2 Memory B connector (200-pin) (3/3) Appendix C Pin Assignments Appendices C.3 CN1900 1st HDD SATA interface connector (23-pin) Table C-3 1st HDD SATA interface connector (23-pin) C.4 CN1910 ODD SATA interface connector (13-pin) C.5 CN1920 2nd HDD SATA interface connector (20-pin) Table C-5 2nd HDD SATA interface connector (20-pin) C.6 CN1930 eSATA/USB(Port6) interface connector (10-pin) C.7 CN2420 PCI TV tuner interface connector (124- pin) :Japanese model Only Table C-7 PCI TV tuner interface connector (124-pin)(1/2) Appendices Appendix C Pin Assignments C-10 [CONFIDENTIAL] Qosmio G50 Maintenance Manual (960-683) Appendix C Pin Assignments Appendices C.8 CN2440 BCAS interface connector (8-pin) :Japanese model Only Table C-8 BCAS interface connector (8-pin) C.9 CN2520 EXPRESS CARD interface connector (26-pin) Table C-9 EXPRESS CARD interface connector (26-pin) pin) Table C-10 PCI-E Mini CARD(W-LAN) interface connector (52-pin) Appendix C Pin Assignments Appendices Qosmio G50 Maintenance Manual (960-683) [CONFIDENTIAL] C-13 C.11 CN2650 PCI-E Mini CARD(slot2) interface connector (52-pin) Table C-11 PCI-E Mini CARD(slot2) interface connector (52-pin) Appendices Appendix C Pin Assignments C-14 [CONFIDENTIAL] Qosmio G50 Maintenance Manual (960-683) C.12 CN2700 PCI-E Mini CARD(slot3) interface connector (52-pin) Table C-12 PCI-E Mini CARD(slot3) interface connector (52-pin) C.13 CN2710 RF interface connector (3-pin) C.14 CN2711 RF interface connector (3-pin) Appendices Appendix C Pin Assignments C-16 [CONFIDENTIAL] Qosmio G50 Maintenance Manual (960-683) C.15 CN2800 PCI-E Mini CARD(slot4) interface connector (52-pin) Table C-15 PCI-E Mini CARD(slot4) interface connector (52-pin) Appendix C Pin Assignments Appendices Qosmio G50 Maintenance Manual (960-683) [CONFIDENTIAL] C-17 C.16 CN2801 Power connector (20-pin) Table C-16 Power connector (20-pin) C.17 CN3010 MDC interface connector (12-pin) C.18 CN3011 FM Tuner interface connector (10-pin) Table C-18 FM Tuner interface connector (10-pin) C.19 CN3230 Keyboard interface connector (34-pin) C.20 CN3240 FDULE* board interface connector (30-pin) Table C-20 FDULE* board interface connector (30-pin) C.21 CN3300 Power SW connector (3-pin) C.23 CN4230 IEEE1394 interface connector (4-pin) Table C-23 IEEE1394 interface connector (4-pin) C.24 CN4440 Bluetooth2 interface connector (10-pin) Table C-24 Bluetooth2 interface connector (10-pin) C.25 CN4612 USB(PORT0) interface connector (10-pin) C.26 CN4630 FDUJK* board interface connector (8-pin) Table C-26 FDUJK* board interface connector (8-pin) C.27 CN4631 FDUJK* board interface connector (20-pin) C.28 CN5310 LCD interface connector (40-pin) Table C-28 LCD interface connector (40-pin) C.29 CN5311 LCD interface connector (9-pin) C.30 CN5320 RGB interface connector (15-pin) Table C-30 RGB interface connector (15-pin) C.31 CN5350 HDMI interface connector (19-pin) C.32 CN5900 GFX interface connector (230-pin) Table C-32 GFX interface connector (230-pin) (1/4) Appendix C Pin Assignments Appendices Qosmio G50 Maintenance Manual (960-683) [CONFIDENTIAL] C-25 Table C-32 GFX interface connector (230-pin) (2/4) Appendices Appendix C Pin Assignments C-26 [CONFIDENTIAL] Qosmio G50 Maintenance Manual (960-683) Table C-32 GFX interface connector (230-pin) (3/4) Page Appendices Appendix C Pin Assignments C-28 [CONFIDENTIAL] Qosmio G50 Maintenance Manual (960-683) C.35 CN8771 CPU FAN interface connector (4-pin) Table C-35 CPU FAN interface connector (4-pin) C.36 CN8781 VGA FAN interface connector (4-pin) C.39 CN9550 Web Camera interface connector (8-pin) Table C-39 Web Camera interface connector (10-pin) C.40 CN9570 FELICA interface connector (6-pin) :Japanese model Only Page C.45 J9600 IR BRUSTER1 interface connector (6-pin) C.46 J9601 IR BRUSTER2 interface connector (6-pin) Appendices Appendix C Pin Assignments C-32 [CONFIDENTIAL] Qosmio G50 Maintenance Manual (960-683) C.47 IS2140 MEDIA BRIDGE interface connector (46-pin) Table C-47 MEDIA BRIDGE interface connector (46-pin) USB / Sound Jack board (FDUJK*) C.48 CN4640 USB (PORT8) interface connector (4-pin) C.49 CN4641 USB (PORT11) interface connector (4-pin) C.50 CN4642 RTC cell interface connector (3-pin) C.51 CN6510 System board interface connector (8-pin) C.52 CN6511 System board interface connector (20-pin) C.53 DS6320 SPDIF interface connector (10-pin) C.54 J6071 Ext MIC interface connector (5-pin) Appendices Appendix C Pin Assignments C-36 [CONFIDENTIAL] Qosmio G50 Maintenance Manual (960-683) LED board (FDULE*) C.55 CN3340 Touch PAD interface connector (12-pin) Table C-55 Touch PAD interface connector (12-pin) C.57 CN9511 FDUFS* interface connector (6-pin) Page Page Appendices Appendix C Pin Assignments C-40 [CONFIDENTIAL] Qosmio G50 Maintenance Manual (960-683) SPRINT board (FSPRN*) C.60 CN7900 Mini PCI-Exp interface connector (52-pin) Table C-60 Mini PCI-Exp interface connector (52-pin) Appendix C Pin Assignments Appendices C.61 CN7901 POWER connector (20-pin) Table C-61 POWER connector (20-pin) Page Appendix C Pin Assignments Appendices Qosmio G50 Maintenance Manual (960-683) [CONFIDENTIAL] C-43 NB9P/9M board (FDUNP*) C.63 CN5960 System board interface connector (230-pin) Table C-63 System board interface connector (230-pin)(1/4) Appendices Appendix C Pin Assignments C-44 [CONFIDENTIAL] Qosmio G50 Maintenance Manual (960-683) Table C-63 System board interface connector (230-pin)(2/4) Appendix C Pin Assignments Appendices Qosmio G50 Maintenance Manual (960-683) [CONFIDENTIAL] C-45 Table C-63 System board interface connector (230-pin)(3/4) Page Appendix C Pin Assignments Appendices Qosmio G50 Maintenance Manual (960-683) [CONFIDENTIAL] C-47 NB9E board (FDUNE*) C.64 CN5960 System board interface connector (230-pin) Table C-64 System board interface connector (230-pin)(1/4) Appendices Appendix C Pin Assignments C-48 [CONFIDENTIAL] Qosmio G50 Maintenance Manual (960-683) Table C-64 System board interface connector (230-pin)(2/4) Appendix C Pin Assignments Appendices Qosmio G50 Maintenance Manual (960-683) [CONFIDENTIAL] C-49 Table C-64 System board interface connector (230-pin)(3/4) Page Appendix D Keyboard Scan/Character Codes Appendices QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] D-1 Appendix D Keyboard Scan/Character Codes D.1 Scan Codes Table D-1 Scan codes (set 1 and set 2) (1/4) Appendices Appendix D Keyboard Scan/Character Codes D-2 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683) Table D-1 Scan codes (set 1 and set 2) (2/4) Appendix D Keyboard Scan/Character Codes Appendices QOSMIO G50 Maintenance Manual (960-683) [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] QOSMIO G50 Maintenance Manual (960-683) Table D-3 Scan codes in Numlock mode Table D-4 Scan codes with Fn key Page Page Appendix E Key Layout Page Appendix F Wiring diagrams Appendices Appendix F Wiring Diagrams QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] F-1 F.1 RGB Monitor ID Wraparound connector Figure F-1 RGB Monitor ID Wraparound connector (15PIN to 15PIN) Page Appendix G BIOS Rewrite Procedures Page Appendix H EC/KBC Rewrite Procedures Page Appendix I Reliability