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Panasonic tx-p42x60b

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old tvman:
At switch on the front led is green for 2secs then starts to flash rapidly red 3 flashes.All the supplies seem to come up initially at switch on, checked all the fets etc all seem to check ok. I have replaced the main av board but fault still the same.Any ideas?
thanks davy

t1412:
don't know if this will work, if it has a power button on the tv press and hold it in  for 8 seconds, it will either come on or start flashing error codes thanks

shaun

downunder:
Hi Shaun,

I think that's an urban myth. You must have got lucky. I tried it on a faulty Panasonic but no joy.

Hi Dave,

Code 3 is a 3.3V sos - usually the A-Board (Main). Can you be sure that the replacement is OK?
Will do some further research and let you know if I come up with anything.

Bruce

downunder:

Update, Dave,

There is a possibility that the SC board will cause code 3 - it can cause codes 3,4,5,6,7 or 10. However, you can isolate the A board to the point where it will operate on it's own although in effect the set will not function, the A board will still be active.

Unplug SC2 and SC20 on the SC board, SS11 on the SS board, P35 on the P board and the 3 flat white flexies on the A board.
Power the tv on. If you still get a blink code, the A board is the prime suspect.

Bruce

t1412:
yeah your right bruse it won't happen again,

shaun

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