Question about Sony FD Trinitron WEGA KV-34HS420 34" TV

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Will not stay on , sound only for 3 seconds then turns off. Stand by timer light blinking

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  • ssotelo Aug 05, 2009

    I counted the blinks , mine is blinking 7 times any idea what that means ?

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  • Master
  • 585 Answers

Sony blinking lites are error codes, on an LCD proj set 3 means bad lamp, 4 a bad fan 9 a bad thermal fuse, on a direct view like yours its probably 4 or 5 blinks indicating a bad D board (sells around $250) .
or a bad video IC, so B4 you buy a D board you need to check the CRT board if it has one IC on it measure ohms across the B+ capacitors on the CRT board, if shorted the IC is shorted and also the supply resistor will be open on the D board, if its shorted the CRT may be NG.
If the CRT board has three ICs don't bother checking eem just get the D board.
Eric

Posted on Jul 31, 2009

  • Eric Rotmil
    Eric Rotmil Aug 04, 2009

    Correcting myself, 3 blinks means lamp door switch isn't closed.

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