Samsung S1000 Service Manual page 18

Troubleshooting
6-1-2 FLT Malfunction
Connector inserted
correctly?
Check voltage : AC 5V
at FRONT-PCB FLT?
Check voltage at FIC1
pin 54(-33V)
Replace FIC1(LC75710)
6-2
Yes
Yes
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)
Samsung Electronics