Question about Mitsubishi WD-62525 62" Rear Projection HDTV

1 Answer

I replaced the power supply board in my WD62525 that fixed the no picture problem. but the remote will not work after that. It is not a remote problem I have 2 remotes and they both will not work. I took the tv apart thinking I may have left some thng disconnected everthing OK no bent pins are anything. Could it be the power supply board that I replaced.

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  • sa49 Sep 21, 2010

    If you read my question I ask would the power for the remote reciever board come from the power supply board I replaced. The board I replaced is part# 930B9210 MAIN POWER SUPPLY BOARD. The remote worked with the old power supply board. and I have checked all conections and even have unpluged all conectors and looked for push backed or bent pins., every thing is OK. The remote has new batteries lights up and should be working I also have an other remote and it will not work the TV . You can not even turn on or off the TV.

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  • Mitsubishi Master
  • 19,396 Answers

Hi.

Find the board where the IR sensor (the sensor receiving remote) is located and check board connectors.

Board should be 935D776001 control board, but check also 935D779001 front pwb. Below the service manual.

Before doing anything else ensure that problem is not a faulty remote. Eventually do a factory reset as described at page 25 of service manual.

Here service manual.

Posted on Sep 16, 2010

  • Ginko
    Ginko Sep 21, 2010

    The main PSU supplies power to any other board comprised in the TV, including the IR sensor hosted in control PCB or in front PCB.
    If the board hosting IR sensor is not powered, then track continuity to PSU. If the board is powered, then replace the board with IR control.

  • Ginko
    Ginko Sep 21, 2010

    The sensor should be in the control board assembly, the one behind the cover in picture:


    The PWB control (control board) is connected to preamp board and to terminal board to go finally to DM board, all board are powered by PSU.


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