Toshiba QOSMIO G20 manual Optical Disk Drive Troubleshooting

2 Troubleshooting Procedures 2.10 Optical Disk Drive Troubleshooting

2.10 Optical Disk Drive Troubleshooting

To check if optical disk drive is malfunctioning or not, follow the troubleshooting procedures below as instructed.

Procedure 1: Diagnostic Test Program Execution Check

Procedure 2: Connector Check and Replacement Check

Procedure 1 Diagnostic Test Program Execution Check

Execute the CD-ROM/DVD-ROM Test in the Diagnostic Program. Refer to Chapter 3, Tests and Diagnostics for more information on how to perform the test program.

Prepare the tools before the test.

If any error is detected by the test, go to Procedure 2.

Procedure 2 Connector Check and Replacement Check

The connection may be defective among optical disk drive, ODD relay board, ODD flexible cable and system board. Otherwise, they may be faulty. Disassemble the computer following the steps described in Chapter 4 and perform the following checks:

Check 1 Make sure optical disk drive is firmly connected to the connector on system board.

Optical disk drive

50-pin

<ODD relay board>

CN1820

CN9680

ODD flexible cable

CN1810

<System board>

If the connection is loose, reconnect it firmly and return to Procedure 2. If the problem still occurs, perform Check 2.

Check 2 Optical disk drive may be faulty. Replace it with a new one following the steps in Chapter 4. If the problem still occurs, perform Check 3.

Check 3 ODD relay board may be faulty. Replace it with a new one following the steps in Chapter 4. If the problem still occurs, perform Check 4.

QOSMIO G20 Maintenance Manual (960-511) [CONFIDENTIAL] ￿ ￿ ￿ ￿ ￿ ￿ 2-53