Toshiba A130, A135 2.4 Display Troubleshooting

2 Troubleshooting Procedures

2.4 Display Troubleshooting

P erform external d isp lay check

(P ro ce du re 1 )

START

D o es the external

d isp la y fu nc tio n o k ?

P erform diagnostic check

(P ro ce du re 2 )

W as a disp lay

problem detected?

Perform connector and

replacem ent check

(P ro ce du re 3 )

Replace system board

END

Yes

Display is not

faulty. C ontinue

troubleshooting-

refe r to F igu re 2 .1

Figure 2-3 Display troubleshooting process

Satellite A130/A135 /Satellite Pro A130 Series Maintenance Manual

[CONFIDENTIAL]

Contents

Main Toshiba Personal Computer Satellite A130/ A135 Maintenance Manual TOSHIBA CORPORATION Page Preface Page Page Table of Contents Page Page Page Page Page Page 1.1 Features Page Page Page 1.2 System Unit 1.3 2.5-inch Hard Disk Drive 1.4 Optical Disk Device 1 Hardware Overview Table 1-1 2.5-inch HDD specification 1.4 Optical Disc Device Page 1.5 Power Supply Page 1.6 Batteries Page Page Page Page Chapter 2 Contents Page 2.1 Troubleshooting Introduction 2.2 Troubleshooting Flowchart 2 Troubleshooting Procedures A Figure 2-1 Troubleshooting flowchart (1/2) 2 Troubleshooting Procedures A Figure 2-1 Troubleshooting flowchart (2/2) Page Page 2 Troubleshooting Procedures 2.3 Power Supply Troubleshooting END Figure 2-2 Power Supply Troubleshooting Process Page Page AC adaptor System board Battery A C adaptor cord AC power cord Page 2 Troubleshooting Procedures 2.4 Display Troubleshooting Figure 2-3 Display troubleshooting process Page Page 2 Troubleshooting Procedures 2.5 Keyboard Troubleshooting Figure 2-4 Keyboard troubleshooting process Page 2 Troubleshooting Procedures 2.6 External USB Devices Troubleshooting Figure 2-5 External USB device troubleshooting process Page 2 Troubleshooting Procedures 2.7 TV-Out Failure Troubleshooting Figure 2-6 TV-out troubleshooting process Page 2 Troubleshooting Procedures 2.8 TouchPad Troubleshooting Figure 2-7 Touchpad troubleshooting process Page 2 Troubleshooting Procedures 2.9 Speaker Troubleshooting Figure 2-8 Speaker troubleshooting process Page 2 Troubleshooting Procedures 2.10 Optical Drive Troubleshooting Figure 2-9 Optical drive troubleshooting process Page Page 2 Troubleshooting Procedures 2.11 Modem Troubleshooting Figure 2-10 Modem troubleshooting process Page 2 Troubleshooting Procedures 2.12 PCMCIA Troubleshooting Figure 2-11 PCMCIA troubleshooting process Page 2.13 IEEE 1394 Troubleshooting Page 2 Troubleshooting Procedures 2.14 Wireless LAN Troubleshooting Figure 2-13 Wireless LAN troubleshooting process Page 2.15 Finger printer Troubleshooting Page 2.16 Bluetooth Troubleshooting Page 2.17 4 in 1 card Troubleshooting Page 2.18 1st HDD Troubleshooting Page Page 2.19 2nd HDD Troubleshooting Page Page Contents 3.1 The Diagnostic Test 3.2 Executing the Diagnostic Test Page Page Page 3.3 Display Configuration 3.4 Speaker Audio Test 3.5 Fan ON/OFF Test 3.6 Main Battery Charge Test 3. 7 FDD Test 3. 8 ODD Test 3. 9 Keyboard Test Page 3.10 Mouse (Pad) Test Page 3. 11 LCD Pixels Mode Test 3.12 Magnetic Switch Test 3.13 LAN Test Page Page 3.14 RTC Test 3.15 Read 1394 GUID 3.16 Speaker EQ Type Check&Re-Write 3.17 Button Test 3.18 Fingerprint DOS Test Page 3.19 Clear Fingerprint Registered Page 3.20 1st HDD Test Page Page 3.21 2nd HDD Test Page Page Page Page Chapter 4 Contents Page Page Page 4.1 General Page Page Page Page Page 4.2 Battery Page 4.3 PC Card Page 4.4 Memory Card Page 4.5 HDD Page Page Page Page 4.6 Expansion Memory Page Page 4.7 Wireless LAN Unit Page Page Page 4.8 Modem Page 4.9 Optical Drive Module Page 4.10 Optical Drive Page 4.11 Keyboard Page Page 4.12 Display Assembly Page Page Page 4.13 Display Mask Page 4.14 FL Inverter Board Page 4.15 LCD Module Page 4.16 Bluetooth and WLAN antennas 4.17 Top Cover Page Page 4.18 Function Button Board Page 4.19 Fingerprint Module Page 4.20 Touch Pad Page 4.21 Bluetooth module Page 4.22 Speakers Page 4.23 USB Board Page 4.24 System Board Page 4.25 VGA Module Page 4.26 Fan & CPU 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 Appendix B Board Layout B.1 System Board (FRDSY*) Top View B.2 System Board (FRDSY*) Button View Page Page Appendix C Pin Assignments System Board C.1 JP15,JP16 Table C-1 SODIMM I/F pin assignments (200-PIN) (1/4) Table C-1 SODIMM I/F pin assignments (200-PIN) (2/4) Table C-1 SODIMM I/F pin assignments (200-PIN) (3/4) Table C-1 SODIMM I/F pin assignments (200-PIN) (4/4) C.2 JP13 Table C-2 RGB I/F pin assignments (15-pin) C.3 JP22 Table C-3 1st HDD I/F pin assignments (22-pin) C.4 JP31 Table C-4 2nd HDD I/F pin assignments (22-pin) C.5 JP19 Table C-5 ODD I/F pin assignments (52-pin) C.6 JP8 Table C-6 PC Card I/F pin assignments (68-pin) (1/2) Page C.6 JP24 Table C-6 Mini-Express I I/F pin assignments (54-pin) C.7 JP1 Table C-7 LCDS I/F (30-pin) C.8 JP4 Table C-8 JP8 Fan I/F pin assignments (3-pin) C9 JP6 Table C-9 K/B connector pin assignments (38-pin) C.10 JP25 Table C-10 MDC Connector pin assignments (12-pin) C.11 PJP1 Table C-119 AC Adaptor Connector pin assignments (4-pin) C.12 JP29 Appendix D Keyboard Scan/Character Codes Table D-1 Scan codes (set 1 and set 2) (1/4) Table D-1 Scan codes (set 1 and set 2) (2/4) Table D-1 Scan codes (set 1 and set 2) (3/4) Page Page Table D-3 Scan codes in Numlock mode Table D-4 Scan codes with Fn keyiI Table D-5 Scan codes in overlay mode Table D-6 No.124 key scan code Page Page Page Page Page Page Page Page Page Page Page Page Page Appendix F Series Screw Torque List Page Appendix G Reliability