Samsung Frame QN43LS03TAF Service Manual page 53

„ TV POWER STANDBY TEST :
1. TV in Standby
Check Standby LED Indicator
9
2. If Not Lit:
Check AC 120Vac Line
9
3. If missing:
Check AC120Vac Source/Power Cord
9
4. If OK:
Remove One Connect Cable.
9
If TV Powers on and Disconnect Banner appears.
9
5. If TV powers On:
One Connect and cable status.
9
Resistance on SMPS FUSE after first removing AC power cord.
9
6. If TV does not power on:
7. If fuse is open :
→
Replace SMPS
8. If fuse is OK:
Standby: A13V (Always On) supplies to Main Board.
9
9. If any missing remove the SMPS connector to the Main Board.
Check Standby A13V
9
→
If OK replace the Main Board
→
If still missing replace SMPS
again.
4. Troubleshooting
4-7