Toshiba DP1600 Service Handbook page 156

C06 Abnormal operation of the LCF transport motor
Is the LCF transport motor working? (using the test mode 10. Output Test, CODE 270)
NO
1. Check if each connector between the LCF transport motor (CN1) and the LCF
2. Check if each connector between the LCF PWA (CN100, CN101) and the PFC
3. Check if each connector between the PFC PWA (CN201, CN202) and the relay
4. Check if each connector pin is removed or the harness is broken.
5. Check if any conductor pattern on the LCF transport motor, LCF, PFC, relay
6. Replace the LCF transport motor.
7. Replace the LCF PWA.
8. Replace the PFC PWA.
9. Replace the relay PWA.
10.Replace the main PWA.
YES
Does the PLL lock signal CN102-3 on the LCF PWA continuously display 'L'?
NO
1. Check if any conductor pattern on the LCF and PFC PWA is open- or short-
2. Replace the LCF PWA.
3. Replace the PFC PWA.
4. Replace the relay PWA.
5. Replace the main PWA.
YES
1. Check if any conductor pattern on the PFC PWA is open- or short-circuited.
2. Replace the PFC PW
1600/2000/2500 TROUBLESHOOTING
PWA (CN102) is disconnected.
PWA (CN206, CN207) is disconnected.
PWA (CN35, CN36) is disconnected.
and main PWA is open- or short-circuited.
circuited.
4 - 32 December 2000 © TOSHIBA TEC