Samsung MAX-670 Service Manual page 21

6-2-2 F.L.T Malfunction
Connector inserted
Check voltage : AC 5V
at FRONT-PCB FLT?
Check voltage at UIC1
pin no. 48(-36V)
Samsung Electronics
correctly?
O
O
O
Replace UIC1
X
Reinsert the connector.
Check Main-PCB & Front PCB
X
connection and the voltage of
CCW2, pins1,2 (AC 5V)
X
Check the voltage at pin no.8
of CSW1
Troubleshooting
6-5