Ricoh C211 Service Manual page 54

1.18 CIRCUIT: VT2100/VT2130/VT2150
Main Control P.C.B.
Paper Table Height Sensor
r+
Papar Tabls Lower
Limit Sensor
r
.—.—
1
Paper End Sensor
r
-—-—
1
L -—- A
CN 103-3
CN 104-6
CN 102-22
CN 102-31
CN 102-27
CN 104-9
CN 102-21
CN 104-11
VCC(+5V)
CN104-7
CN 104-15
CN 1034
GND
24V
3
SOL
SOL
Paper Feed SOL
Printing Pressure SOL
@
CN
"-7 RA
303
RA
CN '2
301-8
L2EE5
AC Drive P.C.B.
RA303
a
,RA 302-3
0
.,
RA302
e
o
. , Paper Tabel
RA
Drive Motor
302-4
RA
RA 302-5
303-1
w
—1
1.19 lNPUT/OUTPUT: VT2100/VT2130/VT21 50
Signal Name 1/0 -
Main Control PCB
Description
CN No
Level
paper Feed When the solenoid turns on, the voltage at
Solenoid o 102-31
2W1 Ov CN102.31 Is OV
Paper Table
7.5v ~ 5m
When the actuator is out of the sensor, the
Height Sensor o 102-22
m: '"'tageatcN'02-22's 'v
Paper Table
7,5v ~ 5m
When the actuator is out of the sensor, the
Lower Limit o 102-21
m:
voltage at CN1 02-21 is OV
Sensor
Relay: Paper
When the paper table is being raised, the
Table Up o 104-9
2?1 OV
voltage at CNI 04-9 is OV
Relay: Paper When the paper table is being raised, the
Table Down
o
104-11
2=' Ov
voltage at CNI 04-11 is OV
Paper End Sensor
7.5V ~ 5~
When paper is present, the voltage at
o 102-20
m:
CN1 02-20 OV
2-20