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Hitachi 42pd6600 won't power on sits with just red led

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madjock:
Hi All,

I have an issue that I can't seem to get to the bottom of.

My 42pd6600 will not switch on, more accurately after powering on from main switch it instantly goes into standby mode ( no picture just red led) and won't come out of it.

If I leave it unplugged from the mains for a day or two, sometimes it will power on and respond normaly via remote and on screen buttons but after a period of time ( maybe hours sometimes a couple of days)  it will drop back into the above symptom.

I have swapped out the power board with a new one , symptoms still the same not sure if its a logic board or main board issue so any help would be a bonus.

Thanks in advance

MJ

Turnip:
Hi

It's a Vestel, but nothing yet on this prob - Eeprom Chris

roxyrohit:
Suddenly the TV won't change inputs or channels - either by using the ... <My plasma main red power light will come on, however the blue LED light and .... When you switch on the display, the audio video controller just sits there and clicks - almost like a power relay issue. ... 42PD6600 42 in. HDTV-Ready Plasma ...


Hyundai Scoupe Parts

madjock:
yup can relate to the power relay theory, I have tried a second power board and various combinations of individual components and also changed the filter board ..... still no joy . The correct 5 volts is hitting the various points but still nothing.

not sure why it takes being depowered for a few days before it comes back....cant see any dry joints or any overheating marks... Eeprom issue ? not sure why this would give the symptoms Turnip ..can you expand further..be as technical as you like :)

MJ

Turnip:
Hi, Madjock,

Not terribly technical personally, but mention Vestel and Eeprom together, and wise men nod.

Not to sure quite why they do, but am always impressed - Chris.

PS - In old tubed stuff, we had that Vestel problem all the time - made a pound - say this just to annoy Sparky, who presumably didn't.

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