Sharp FO-CC500 Service Manual page 107

2. Description
2-1. Relay board unit
1. Remove the LIU PWB, control PWB and Power Supply PWB from
this unit, and mount the relay board unit instead.
•
Before connecting the wiring to the relay board unit, set the test
PWB switches to the fixed position.
2. The setting is as follows.
Relay
cable
1
CNLIUA
14
CNPW
CHECK
CONTROL
PWB
NOTE
UNIT
PIN(TP1)
TO
FILM(TP2)
EXTENSION
DG(TP3)
PWB
+24VL(TP4)
• The relay cables are used as one pair.
• The hook switch is manually operated.
CHECK
CNLIUA
LIU PWB
CNPW
POWER
SUPPLY
PWB
DON'T SEPARATE
RELAY CABLE
PAPER SENSOR RELAY CABLE (QCNWG201BSCZZ)
BROWN
(LIU)
RED
(LIU)
ORANGE
(LIU)
YELLOW
(LIU)
The hook switch is operated by the mechanical unit switch and the test
PWB switch. When performing installation in the machine unit, set the
test PWB switches to the fixed position.
Actual operation with mechanical unit
Hook SW ON/OFF operation
PWB sensor check
Hook SW ON-HOOK
8 – 2
Mechanical unit PWB to be tested
ON-HOOK
ON/OFF operation
CHECK
CHECK
LIU PWB
CONTROL
PWB
POWER
SUPPLY
PWB
TO
CHECK
PWB
FO-CC500A
FO-K01A