V.f.d Malfunction - Samsung MAX-460V Service Manual

Troubleshooting

6-1-4 V.F.D Malfunction

Connector inserted
correctly?
Check voltage : AC 4.8V
at FRONT-PCB FLT?
Check voltage at UIC1
pin no. 48(-30V)
Replace UIC1
6-4
Yes
Yes
Yes
No
Reinsert the connector.
Check Main-PCB Front PCB
No
connection and the voltage of
MCW2, pins1,2(AC4.8V)
No
Check the voltage of RD3(-30V)
Samsung Electronics