Minolta Di152 Service Manual page 152

Step
4 Lower Home Position Sensor (JS-
202: PC33) is operational.
<Check Procedure>
Check voltage across a Main Board
(JS-202: PWB-A) pin and GND when
the sensor is blocked.
• Voltage across PJ4A-6 and GND
DC0 V when unblocked
DC5 V when blocked
Check
T-32
Result
NO • Change Lower Home Position Sen-
sor (PC33).
YES • Change Master Board (copier:
PWB-A).
Action