Canon NP6085 Service Manual page 215

Relay unit
RL3 RL4
COPYRIGHT © 1996 CANON INC.
DC power supply circuit
F151
Rectifier/
smoothing
circuit
F102
Voltage
detection
DC power supply
ON/OFF control
signal latch circuit
12VU1
2ndary Rectifier
rectifier smoothing
circuit
smoothing
circuit
Rectifier
smoothing
circuit
Internal
relay
F101
Rectifier
smoothing
circuit
Figure 3-703 (DC power supply circuit block diagram)
CANON NP6085 REV.0 JULY 1996 PRINTED IN JAPAN (IMPRIME AU JAPON)
2ndary
rectifier
smoothing
circuit
Switching
regulator
IC
2ndary
rectifier
smoothing
circuit
Switching
regulator
IC
5VR
constant
voltage
2ndary
rectifier
smoothing
Switching
circuit
regulator
IC
3. OPERATIONS AND TIMING
38VU
24VR
24VR
constant
voltage
38VU
voltage
detection
AC1D
MSWON
PWOFF
Circuit breaker
24VU
24VUN
24VU
voltage
detection
REMOTE
5VR
12VU2
GND
12VU
voltage
detection
AC0ON
3-157