Tv Power Standby Test - Samsung HG43NT678UF Service Manual

4. Troubleshooting

4-2-1. TV POWER STANDBY Test

Place TV in Power Standby
1
If Not Lit ?
(Should have been lit with
2
status setting)
If missing ?
3
If TV powers On ?
4
If TV does not power on ?
5
If any missing ?
6
4-6
Standby LED Indicator
9
– Status can be changed in user menu and may default off.
AC 120Vac Line
9
120Vac Source/Power Cord
9
One Connect and cable status
9
Resistance on SMPS FUSE after first removing AC power cord.
9
If FUSE is open ?
If fuse is OK ?
Remove the SMPS connector to Main Board.
9
Standby A13V again
9
If OK ?
Replace Main Board
9
Replace SMPS.
9
Standby: A13V (Always On)
9
supplies to Main Board.
If still missing ?
Replace SMPS.
9