Samsung LE40B620R3WQXU
I'm thinking that the main board may be faulty, I would appreciate any help to test and fix it.
The TV works for about 2 minutes and then shuts down with no standby light. When the main board is disconnected the back lights come on and the TV stays on until powered off.
Voltages on power board
Main board disconnected
4.88
4.88
2.74
12.07
12.07
0
5.01
5.01
0
0
12.07
0
5.01
0.76
Main board connected
4.88
4.88
2.74
12.23
12.23
0
4.95
4.95
0
0
12.23
0
4.95
0.75
I'm thinking that the main board may be faulty, I would appreciate any help to test and fix it.
The TV works for about 2 minutes and then shuts down with no standby light. When the main board is disconnected the back lights come on and the TV stays on until powered off.
Voltages on power board
Main board disconnected
4.88
4.88
2.74
12.07
12.07
0
5.01
5.01
0
0
12.07
0
5.01
0.76
Main board connected
4.88
4.88
2.74
12.23
12.23
0
4.95
4.95
0
0
12.23
0
4.95
0.75
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