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Philips 37PFL5603D/10 negative psychedelic image

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tvisbroken:
TV has been working fine to date. However, now when switching on TV it produces a negative psychedelic image. All else works fine. Reloaded same = latest firmware. Reseated all connectors. Reset display option NVM code. Looked for obvious physical defects.



Saw this and this post on different TVs with similar symptoms suggesting faulty T-con board. Opted for a 2nd user T370HW02 V402 37T04-C02 T-con board replacement rather than try to replace the AS15-F smd chip as I do not have the right soldering kit for surface mount repair.

Used this service manual to disassemble the TV and carefully replace the T-con board.

Results were:

First T-con board: Negative psychedelic image. Sound and everything else works fine. Fitted this 4 times now and get the same result.

Second T-con board: When switched on first time after T-con board replacement picture is fine (good colours but possibly a little dark) for about 1 second then screen goes black. Subsequent times when switching on screen is black. Sound is OK. Fitted this 3 times now and get the same result.

Would you say that the 2nd T-con board is faulty also or could the problem be elsewhere?

EARLYBIRD:
Yes second board sounds faulty,i changed one this week for the exact same fault instant cure of the picture fault.Try and locate another T-Con board.Hope this helps.

tvisbroken:
 :c017:. Confirmed my suspicion.  :73:

sparky:
have you put the correct part number  in on tcon

tvisbroken:
Thanks Sparky.

Yes, both original and replacement T-con cards are T370HW02 V402 37T04-C02. Obviously with a different serial number, but apart from that they look identical and have the same model number printed on them.

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