Question about Mitsubishi WS-65711 65" Rear Projection Television

1 Answer

The tv will not power on

The tv powered off on its own and now will not turn back on. The green light comes on for approx. 10 seconds and screen never comes on and then it automatically shuts off again. Prior to tv going off, the picture was showing a double image and a blue line on the outside frame of picture.

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  • Master
  • 10,515 Answers

Hi,

This model is equipped with a self-diagnosis feature to help with diagnosis of shutdown problems, to activate this turn the unit on let it shutdown then press the input/or device and menu buttons on the front panel simultaneously and hold them in for 5 seconds after 5 seconds the power LED on the front panel will blink a two digit sequence. This will be one set of blinks a short pause then another set of blinks, this will repeat 5 times.

Let me know,so that we could Proceed.

Hope i helped you.

Thanks for using ' Fixya ' and have a nice day!!

Posted on Jun 06, 2010

  • todd_g_lee Jun 06, 2010

    ok, it blinks twice, then pause, blinks twice then pause . . .and did this over and over

  • taran_2005
    taran_2005 Jun 06, 2010

    Thanks for your response!!

    Error Code Probable Cause

    12 No error detected

    22 Recovery
    from momentary Reset

    32 Lamp Cover open

    33 Air Filter
    Cover open

    34 Lamp abnormality

    35 Chassis Fan failure

    36
    Exhaust (Back Cover) or Lamp Ballast Fan failure

    37 Engine (DMD
    or Lamp) Fan failure

    38 Excess Lamp Temperature

    39 Excess
    DMD Temperature

    41 Short Detected

    44 DVI Cable (between
    Chassis and Engine) disconnected


    This is the convergence chips gone short circuit

    You can do it yourself if your practicable enough

    The chips themselves are of the STK variety mounted on large heatsinks unmistakable on the deflection board.





    Looks like the above but as I say mounted on the heatsinks

    Here is a good article about the solution with a pioneer model but very relevant to yours as the same idea is used throughout



    http://home.earthlink.net/~oleg.filippov... it does mention the convergence being off,but is relevent to your fault too as yours have gone short tripping the set



    In the manual you have it clearly points to were the chips are on the page 18

    IC8C01 /IC8C02



    You can obtain the ICs from



    www.partstore.com



    www.encompassparts.com



    They are about $50 each

    You also need to check ALL the pico fuses and low ohm fusible resistors around the chips before power up and replace if necesary

    When the chips are mounted on the heatsinks its also important to use heatsink compound between the chips body and heatsink



    (TV's are dangerous and should only be examined by qualified personnel all information supplied for information purposes only anything carried out at owner of product own risk)

    Let me know,if needed further assistance.

    Hope i helped you.

    Thanks for using ' Fixya ' and have a nice day!!


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