Question about Televison & Video
LG model:RU-30FZ13 chassis: MC021B
No picture and no sound, standby light on.
TV turn on, I ear relay click, power supply smps turn on, 135 volts B+, 3 secondes later, supply turn off.
Checked solders on PCB, Good!
Standby supply, Good!
No short on smps, no short on HV circuit.
I raised the control line ON/OFF from microprocessor IC01, power supply turn on and stay on, all supply voltage Good!
I suspect the microprocessor (50$), but not sure.
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Posted on Jan 02, 2017
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