Canon FY8-13EX-000, NP6218 The scanning lamp fails to turn on, The lens fails to move, 10-75

Models: FY8-13EX-000 NP6218

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24. The scanning lamp fails to turn on.

CHAPTER 10 TROUBLESHOOTING

24. The scanning lamp fails to turn on.

Cause

Step

Checks

Results

Action

 

 

 

 

 

Scanning lamp

1

Turn off the power switch, and

NO

Re-attach the lamp.

 

 

disconnect the power plug. Is the

 

 

 

 

lamp attached correctly?

 

 

 

 

 

 

 

Scanning lamp

2

Are the ends of the scanning lamp

YES

Replace the scanning

 

 

black?

 

lamp.

 

 

 

 

 

DC controller

3

Replace the DC controller PCB. Is

YES

Replace the DC

PCB

 

the problem corrected?

 

controller PCB.

 

 

 

 

 

Composite

 

 

NO

Check the wiring

power supply

 

 

 

between the DC

PCB

 

 

 

controller PCB and the

 

 

 

 

composite power supply

 

 

 

 

PCB; if normal, replace

 

 

 

 

the composite power

 

 

 

 

supply PCB.

 

 

 

 

 

25. The lens fails to move.

Cause

Step

Checks

Results

Action

 

 

 

 

 

Change

1

Turn off the power switch, and

NO

Check the wiring

solenoid

 

detach the rear cover. Do the

 

between the DC

(SL1)

 

change solenoid (SL1) turn on at

 

controller and SL1; if

 

 

power-on? (Check with the naked

 

normal, replace SL1.

 

 

eye.)

 

 

 

 

 

 

 

Lens cable,

2

Are the lens cable, pulley, and rail

NO

Check the lens cable,

pulley, rail

 

normal?

 

pulley, and rail; as

 

 

 

 

necessary, clean or re-

 

 

 

 

route the cable.

 

 

 

 

 

DC power

3

Is 34 V being generated at the

NO

See “DC power supply is

supply

 

J210-5 on the composite power

 

absent.”

 

 

supply PCB?

 

 

 

 

 

 

 

DC controller

4

Replace the lens motor. Is the

NO

Replace the DC

PCB

 

problem corrected?

 

controller PCB.

 

 

 

 

 

Lens motor

 

 

YES

End.

(M3)

 

 

 

 

 

 

 

 

 

COPYRIGHT © 1997 CANON INC.

CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

10-75

Page 339
Image 339
Canon FY8-13EX-000, NP6218 service manual The scanning lamp fails to turn on, The lens fails to move, 10-75