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4-2-1. SMPS Standby
TV POWER STANDBY TEST :
1.
TV in Standby
9
Check
Standby LED Indicator
2.
If Not Lit:
9
Check AC 120Vac Line
3.
If missing:
9
Check AC120Vac Source/Power Cord
4.
If OK:
9
Check resistance on SMPS
FUSE
after first removing AC power cord.
5.
If fuss are open:
→
Replace SMPS
6.
If fuss are OK:
9
Check Standby
:
A13V
(Always On) to Main Board.
7.
If any missing remove the SMPS connector to the Main Board.
9
Check Standby
A13V
again.
→
If OK replace the Main Board
→
If still missing replace SMPS
4-5
4. Troubleshooting