Power Supply; Power Lines When The Power Cord Is Plugged In - Minolta CF910 Service Manual

1154SBM2200A
22

POWER SUPPLY

1154SBM2201A

22-1. Power Lines When the Power Cord is Plugged in

Power cord plugged in
Power supply
Noise Filter FLT1
Power supply Power supply
voltage
Power Switch
S1 OFF
DC Power Supply 1 PU1: ON
DC5V1
DC24V3
Power Supply IR Control
Board PWB-L Board PWB-C
DC24V3
Front Door Inter-
lock Switch S3
DC24V3
Left Door Inter-
lock Switch S4
DC24V3
Paper Bonding Failure Sensor
Failure Detec- Adj. Board
tion Board 2 PWB-Y
PWB-P
Sensors and switches
voltage
voltage
DC5V2
Control Panel
UN27
DC5V2
DC24V3
•
Total Counter CNT11
•
Key Counter CNT12
Paper Bonding
Failure Detec-
tion Board 1
PWB-O
M-131
Paper Dehumidifying Switch S2: ON
Paper Dehumidifying Heaters 1 to 4 H4 to H7: ON
No power is supplied to H4 to H7 if S2 is OFF.
Motor Drive
Automatic Adj.
Board PWB-G
Board PWB-M1
•
DT104
•
AFR12
Humidity Master
Sensor Board
UN23 PWB-I
Power supply
voltage
PH Control
Board (Analog)
PWB-JA
DC5V2
PH Control
Board (Digital)
PWB-JD
DC5V2
SOS Board
PWB-S
Paper Take- E-2M
Up Board
DC5V2
PWB-K
E-2D