Toshiba e-Studio160 服务手册

December 2002 TOSHIBA TEC

4 - 37

e-STUDIO160/200/250 TROUBLESHOOTING

C18

LCF tray-up motor is abnormal

Does the LCF tray move ? (using the test mode 10, Output Test, CODE271.)

1. Check the connector of the LCF tray-up motor for disconnection.

2. Check the connectors CN100, CN101 and CN103 on the LCF PWA for discon-

nection.

3. Check the connector CN206 on the PFC PWA for disconnection.

4. Check the connector pins for disconnection and the harnesses for breaks.

5. Check the LCF PWA and PFC PWA for short-circuits and breaks.

6. Replace the LCF PWA.

7. Replace the PFC PWA.

Is the LCF tray-up sensor working? (using the test mode 04, Sensor Test, DATA No. 18 Bit 2.)

1. Check the connector of the LCF tray-up sensor for disconnection.

2. Check the connectors CN100, CN104 and CN105 on the LCF PWA for discon-

nection.

3. Check the connector CN206 on the PFC PWA for disconnection.

4. Check if the slit reaches the LCF tray-up sensor.

5. Check the connector pins for disconnection and the harnesses for breaks.

6. Check the LCF PWA and PFC PWA for short-circuits and breaks.

7. Replace the LCF tray-up sensor.

8. Replace the LCF PWA.

9. Replace the PFC PWA.

1. Check the PFC PWA for short-circuits and breaks.

2. Replace the PFC PWA.

YES