The Dc Power Is Absent - Canon iR2200 Service Handbook

4.1.2 The DC power is absent.

1. AC power supply
Is the rated AC voltage present at the connector J6 (between 1 and 3) of the
main controller PCB and at the connector J100 (between 1 and 3) of the
composite power supply PCB?
NO:
2. Fuse (F1)
Is the fuse on the composite power supply PCB blown ?
YES: Remove the cause of the fuse, and replace the fuse.
3. Main power supply PCB, Composite power supply PCB
Is the output voltage of each power supply PCB normal?
a. Main Power Supply PCB
Connector
J202-1, 3, 5
J203-2
J204-1, 3, 7, 8, 9
J206-2
J206-3
YES: Check the wiring from each power supply PCB to each load.
NO:
CHAPTER 4 TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS
See "The AC power is absent."
Output voltage
24VU1-SW
24VU2
24VU3
24VU3
5V
Replace the faulty power supply PCB.
b. Composite Power Supply
Connector
J120-1, 4
J121-1, 2, 3
J121-4, 5
J121-11,12,13
J122-1, 2
J124-3, 4
J124-6
J124-9, 10
J126-2, 3, 5, 7
Output voltage
5V
3VA2
3VA1
3VB
5V
3VA1
3VB
5V
13V
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