Samsung UN KU650DF Series - Troubleshooting; How to Check Fault Symptom

4. Troubleshooting
4-1. How to Check Fault Symptom
4-1-1. Power
TV POWER STANDBY 
TV in Standby1.
Standby LED Indicator √
If Not Lit:2.
AC 120Vac Line √
If missing:3.
120Vac Source and Power Cord √
If OK:4.
Resistance on SMPS √ Fuse after rst removing AC power cord.
If fusses are open replace SMPS.5.
If fuses are OK:6.
√ Standby: A13V (Always On) to Main Board. Should all be approx. 9 VDC
If any missing remove the SMPS connector to Main Board .7.
Standby A13V again for 9VDC. √
If OK replace - Main Board.
If still missing replace - SMPS.
4-1
4. Troubleshooting