Power Supply At Main Power Switch-On And Control Panel Switch-On - Canon GP605 Service Manual

3.

Power Supply at Main Power Switch-On and Control Panel Switch-On

Control
panel
5V
CPU
PCB
Control 5V
panel
·Motor
12V
power
·Solenoid
switch 24V
·Sensor
Laser
scanner
System
motor
motherboard
driver
PCB
Printer
MFC
board
PCB
(accessory)
Image
server
(hard disk)
COPYRIGHT © 1999 CANON INC.
CHAPTER 9 EXTERNALS/AUXILIARY MECHANISMS
DC power
supply PCB
DC controller
PCB
3.3V
5V
-8V
8V
12V
15V
*
Image
Laser
processor
driver
PCB
PCB 1
Laser
HV-DC1
driver PCB
PCB 2
*
HV-AC
PCB
Figure 9-504 Power Supply Block Diagram
CANON GP605/605V REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
ON
RLY1
Fixing assembly
To heater
24V
*
38V
Relay
PCB
Scanner
Inverter
motor
PCB
driver
PCB
Intensity
sensor
PCB
Note: The output with the asterisk (*) is turned on/off
by the relay (RLY1) on the relay PCB.
Main Drum
motor motor
(M1) (M0)
* * *
Heater
CCD
driver
PCB
PCB
Scanning
ADF
lamp
heater
Pickup
motor
(M2)
*
9-15