Epson ColorPage EPL-C8000 Service Manual page 434

EPSON EPL-C8000
FIP-2.34 P/H MOTOR ASSY is Defective
Step Check point
Perform the preliminary inspection.
1 Parts to inspect:
P/H MOTOR ASSY, MAIN HARNESS ASSY, MCU PWB
Check: Power supply to the P/H MOTOR ASSY
l
2
Is the voltage level correct at the pins below?
- P/J49-2<=>P/J49-1: 24VDC
Check: Power supply to the LVPS
l
3
Is the voltage level correct at the pins below?
- J32-8<=>J32-7: 24VDC
Check: Power supply to the P/H MOTOR ON signal
l
4 Is the voltage level correct at the pins below?
- P17-26<=>P17-28: 24VDC
Check: Power supply to the P/H MOTOR SPEED signal
l
5 Is the voltage level correct at the pins below?
- P17-27<=>P17-28: 24VDC
Check: MAIN HARNESS ASSY electrical continuity
l
6 Is there proper continuity at the pin below?
- J50<=>J17
Chapter 5 TROUBLESHOOTING
Remedy
Yes
Replace/reinstall the defective part(s).
Go to Step 4.
Replace the MAIN HARNESS ASSY.
Go to Step 5.
Go to Step 6.
Replace the P/H MOTOR ASSY.
No
Go to Step 2.
Go to Step 3.
Go to FIP-2.2 "LVPS 24VDC is
Defective".
Replace the MCU PWB.
Replace the MCU PWB.
Replace the MAIN HARNESS ASSY.
Rev. B
5-100