E800 - Canon NP6330 Service Manual

22

E800

Cause
Step
Malfunction
1
J56
2
Power switch
3
(SW1)
DC controller
PCB
COPYRIGHT © 1997 CANON INC.
Checks
Turn off and then on the power
switch. Is the problem corrected?
Is the relay connector J56 directly
under the power switch connected
securely?
Disconnect the relay connector
J56. Set the meter to the x1K
range, and measure the
resistance between J56-1 and
J56-2 on the connector side of the
power switch. Is it about 400
CANON NP6330 REV.0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 11 TROUBLESHOOTING
YES/NO
End.
YES
NO Re-connect it.
NO Replace the power
switch.
Check the wiring from
YES
the DC controller PCB to
the power switch for
?
electrical continuity; if
normal, replace the DC
controller PCB.
Action
11-85