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WON'T TURN ON 4 BLINKS,REPLACED IC 800,NO HELP.

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  • tonynhutnguy Nov 15, 2009

    SOME BLINKS 4 TIMES,SOME BLINKS 5 TIMES.

  • tonynhutnguy Nov 15, 2009

    THIS TV IS DIRECTVIEW ,NOT LCD OR DLP.

  • tonynhutnguy Nov 15, 2009

    SONY KV-27FS320 ,NOW BLINKS 5 TIMES.

  • tonynhutnguy Nov 16, 2009

    SONY KV-27FS320 5 BLINKS,WON'T TURN ON ,REPLACED IC800.

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SONY KV-27FS320 5 BLINKS,WON'T TURN ON ,REPLACED IC800.
======================================

Can you tell me where is IC800 located in TV?
I been checked complete manual and couldn't find IC800, though IC801 is located on V board.
5 times blink shows problem of AKB (white balance) need to adjust Screen (G2) volts in TV.
I can solve your Tv problem as I have info, let me know what was initial problem and what parts have been replaced so far.
Thanks.

Posted on Nov 16, 2009

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  • Master
  • 448 Answers

If there is sound from the TV but no pictures and the indicator on the front of the TV is blinking four times then check if the projection lamp is okay.
Otherwise replace the projection lamp.

Posted on Nov 15, 2009

  • 1 more comment 
  • Rahul Prashant Singh Nov 15, 2009

    Tony, four blinks indicates overheating and five or more blinks indicates an issue with the Optical block or light engine of the TV.

  • Rahul Prashant Singh Nov 15, 2009

    Check the capacitors on the horizontal circuit as some of them may be causing the problem. Horizontal circuit board is: "If you look on the circuit board near the flyback (the large transformer with the big red wire coming out of it) about 3 inches in front of that is the horizontal circuit area".


  • Rahul Prashant Singh Nov 15, 2009

    The following is the information indicated by the blinking pattern of the indicator on the TV:





    2 times : Power does not come on.
    Load on power line shorted.

    3 times : The TV has entered standby mode.

    4 times : Has entered standby state after
    horizontal raster.
    Vertical deflection pulse is
    stopped.
    Power line is shorted, or
    power supply is stopped.

    5 times: No raster is generated.
    CRT Cathode current detection
    reference pulse output is small.

    6 times: No picture

    9 times : No sound

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Sont kp-46wt510 blinks 4 times


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Replacement part
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these ic locations are different than yours but same part number.
is there a 2sc3311 near by LA78045?

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