Minolta Di152 Service Manual page 170

Section Step
Input 5 Exposure Lamp is abnormally lit (flickers
system or abnormally dark) when the Start key
is pressed.
6 Inverter Board (copier: PU2) connector
CN1PU2 is loose.
7 CCD Board (copier: PWB-J) connector
PJ7C is loose.
Check
T-50
Result Action
NO • Go to step 7.
YES • Reconnect.
NO • Change Exposure
Lamp (LA2).
YES • Reconnect.
NO • Change Inverter Board
(PU2).
• Change Control Board
(copier: PWB-C).