Panasonic Viera TX television - No Power, not even standby

Описание к видео Panasonic Viera TX television - No Power, not even standby

**WARNING HIGH VOLTAGES PRESENT*
Do not attempt a repair if you are not competent to do so.

Panasonic Viera
TX32LZD85
No red power light comes on when you press the latching power button.
5V power is too low (~3V)
PC7000 (and J6 when power button latched on) 3v - should be 5 v
PC7000 used as a feedback to regulate the 5V supply
Fed Into chip IC7000 pin 4 when IC7001 Zener goes active - drives LED,
opto-transistor pulls pin 4 low.
Manual for similar TV:
https://www.manualslib.com/manual/946...
Opto Isolator part number is CNC1S171:
https://media.digikey.com/pdf/Data%20...
I'm going to try a FOD814 and will let you know. A Vishay VO615A might also do it.

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