E800 - Canon NP6330 Service Manual

22

E800

Cause
Step
Malfunction
J56
Power switch
(SW1)
DC controller
PCB
COPYRIGHT © 1997 CANON INC.
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Checks
Turn off and then on the power
1
switch. Is the problem corrected?
Is the relay connector J56 directly
2
under the power switch connected
securely?
3 Disconnect the relay connector
J56. Set the meter to the x1KΩ
range, and measure the
resistance between J56-1 and
J56-2 on the connector side of the
power switch. Is it about 400 Ω?
CANON NP6330 REV.0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 11 TROUBLESHOOTING
YES/NO Action
YES End.
NO Re-connect it.
NO Replace the power
switch.
YES Check the wiring from
the DC controller PCB to
the power switch for
electrical continuity; if
normal, replace the DC
controller PCB.
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