Toshiba A4, M45, VX/4

2 Troubleshooting

Procedure 4 Test Program Check .................................................................2-13

Procedure 5 Connector Check and Replacement Check...............................2-14

2.6 Keyboard.............................................................................................................. 2-15

Procedure 1 Test Program Check .................................................................2-15

Procedure 2 Connector Check and Replacement Check...............................2-15

2.7 Display..................................................................................................................2-16

Procedure 1 External Monitor Check ...........................................................2-16

Procedure 2 Test Program Check .................................................................2-16

Procedure 3 Connector Check and Replacement Check...............................2-16

2.8 ODD (Optical Disk Drive)................................................................................... 2-18

Procedure 1 ODD Cleaning Check............................................................... 2-18

Procedure 2 Test Program Check .................................................................2-18

Procedure 3 Connector Check and Replacement Check...............................2-18

2.9 LAN...................................................................................................................... 2-20

Procedure 1 Test Program Check .................................................................2-20

Procedure 2 Connector Check and Replacement Check...............................2-20

2.10 SD/MS/SM/MMC/XD Card(Optional)................................................................ 2-21

Procedure 1 Test Program Check .................................................................2-21

Procedure 2 Connector Check ......................................................................2-21

2.11 Parallel Port(Optional) .........................................................................................2-22

Procedure 1 Test Program Check .................................................................2-22

Procedure 2 Connector Check ......................................................................2-22

2.12 Audio Test............................................................................................................ 2-23

Procedure 1 Test Program Check .................................................................2-23

Procedure 2 Connector Check and Replacement Check...............................2-23

2.13 IEEE 1394 Test(Optional)....................................................................................2-24

Procedure 1 Test Program Check .................................................................2-24

Procedure 2 Connector Check ......................................................................2-24

2.14 Cooling Module....................................................................................................2-25

Procedure 1 Test Program Check .................................................................2-25

Procedure 2 Connector Check and Replacement Check...............................2-25

Satellite M40/M45 TECRA A4 dynabook Vx/4 Maintenance Manual 2-iii