Power Supply; Iii. Power Supply; Outline Of Power Supply - Canon NP6045 Service Manual

CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS

III. POWER SUPPLY

A. Outline of Power Supply
Figure 7-301 is a block diagram showing the distribution of power inside the copier.
CB1
LF1
SW1
J302-1 -3
J301-1
-3
-5
7-8
COPYRIGHT © 1997 CANON INC.
SW2
SW3
DC power supply PCB
38VU power
supply circuit
24VU power
supply circuit
24VR power
supply circuit
24VA2 power
supply circuit
24VH power
supply circuit
(a) (b)
NO NC
RL401
5VR power
supply circuit
12VU power
supply circuit
24VA1 power
supply circuit
Figure 7-301
Drum heater
control
PCB
AC driver
PCB
Lamp regulator
J303-1
38VU
Main motor
control
PCB
-2 38VU
Pick-up motor
control
PCB
38VU
-3
Scanner motor
control
PCB
J305-1
24VU
24VR
-3
DC controller
5VR
-5
PCB
12VU
-7
RMT
J311-5
24VR
J304-2
24VH
-4
MSW5
J308-1 24VA2
-3
24VA1
RDF
-5
38VU
J309-1 24VA2
24VA1
-3
Sorter
38VU
-5
CANON NP6045 REV. 1 MAR. 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Drum heater
Fixing heater
Scanning lamp
M1
M2
M3
HVT
SW1: Power switch
SW2: Front drum switch
SW3: Drum heater switch
SW4: High-voltage
multifeeder door switch