Samsung S1000 Service Manual page 21

6-2-2 FLT Malfunction
Connector inserted
Check voltage : AC 5V
at FRONT-PCB FLT?
Check voltage at FIC1
Replace FIC1(LC75710)
Samsung Electronics
correctly?
Yes
Yes
pin 54(-33V)
Yes
No
Reinsert the connector
Check Main-PCB Front PCB
No
connection and the voltage of
RWA3, pins2,3(AC 5V)
No
Check the voltage of RZD5(-30V)
Troubleshooting
6-5