Canon NP6512 Service Manual page 357

15 DC power fails to turn on.
Cause Step
AC power 1
supply
Wiring, DC 2
load
Fuse 3
Composite
power
supply PCB
COPYRIGHT © 1999 CANON INC.
Checks
Is AC power present between J201-
and -2 on the composite power supply
PCB?
Turn off the power switch, and discon-
nect J202 and J205 from the composite
power supply PCB.
Set the meter range to 30 VDC, and
turn on the power switch. Is the
voltage between the following termi-
nals normal?
Connector Pin Output
J202 1 GND
2 24V
3 5V
4 5V
5 GND
6 24V
J205 1
2
3 GND
4 24V
Table 11-401
Is the fuse (FU102) on the composite
power supply PCB blown?
120V model: 125 V, 5 V
220/240V model: 250 V, 2.5 A
CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 11 TROUBLESHOOTING
YES/NO
YES
Remarks
To DC
controller
PCB
- To main
- motor
driver
PCB
YES
Action
NO See "AC power fails to
turn on."
See "E000", "E001",
"E002", or "E003".
Remove the cause of
the problem, and
replace the fuse.
NO Replace the composite
power supply PCB.
11-71