TV picture dark and vibrating
TV picture dark and vibrating
On this occasion, I got a sharp TV with a Chinese machine that came in a vibrating state. I continued, I opened the case, there were no suspicious components, then I measured the voltage on the CRT PCB, everything was normal. then I measured the voltage on the main pcb there was a voltage used for the cvv ic memory and the other voltage should be around 12 volts measured 8 volts. then I continued to replace the elco on the VCC with a value of 470 volts after I changed the voltage it had risen to 12 volts and thank God the tv was normal.
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