Toshiba 37LX96 blinking yellow light

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  • Michael1954
    New Member
    • Jul 2012
    • 2
    • usa

    #1

    Toshiba 37LX96 blinking yellow light

    My Toshiba 37LX96 would not turn on but has yellow blinking light.
    It would blink 3 times then a pause and another blink. This cycle repeated over and over.
    Replaced the 3 IC chips STRZ4479, STRW6765 & SRX2039 on power supply board as suggested by the many posts that i searched.
    After replacing the IC chips i developed another problem. The power relays (SR80 & SR81) on power supply board are clicking on and off constantly and the yellow light is still blinking as before (3 blinks 1 pause & then again 3 blinks & 1 pause).
    Is it possible that one of the new component i replaced is defective?
    Presently the only voltage i measure on the power supply board is 5.0vdc on pin 7 of Plug P809.

    Before replacing the 3 IC chips i measured the following voltages at power board:

    P807B
    Pin7 28.7vdc

    P809B
    Pin7 5.07vdc
    Pin9 (ACDETECT) 3.492vdc
    Pin12 (Power) 3.039vdc

    All other pins measured 0.0 volts on rest of pins.

    Did anybody experienced a similar problem

    Please help
  • Michael1954
    New Member
    • Jul 2012
    • 2
    • usa

    #2
    Re: Toshiba 37LX96 blinking yellow light

    From the 3 IC chips which i replaced one of them was defective Q820 (SRX2039). Removed and replaced with existing IC chip and TV was repaired. Ic chips purchased on line from WWW.SUBURBAN-ELECTRONICS.COM. Paid $15.99 for STRZ4479 , $6.95 for STRW6765, $9.95 for SRX2039 plus shipping..

    .

    Note: The yellow light became steady and TV turned on properly with Blue & Yellow light on solid. .

    Comment

    • Rmasters3
      Senior Member
      • Mar 2010
      • 126

      #3
      Toshiba 37LX96 blinking yellow light

      Saw this older post where you had an identical set and wondered if you'd worked out the problem.

      Plugged in, I hear one click and then a series of three amber blinks that repeats, no audio, no video, no back lights, nothing. Pushing "Power" button has no effect.

      Were you able to resolve this?

      Thanks
      Attached Files

      Comment

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