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Sony GDM-FW900 CRT Monitor Repair

Discussion in 'Troubleshooting and Repair' started by midmit, Aug 16, 2009.

  1. midmit

    midmit

    1
    0
    Aug 16, 2009
    Hello, my FW900 is currently dead. No lights, noises, nothing at all.

    I've checked the fuse etc.This leads me to believe the power supply G board is the problem.
    I have the schematics and a basic DMM. I'm currently trying to work out what exactly I can check.
    With the board removed, the brief measurements I did take all seemed to be either -160v or 170v! A little high I thought. The fusable resistor at R610 is ok.

    The board does feature a mcz3001 IC which appear to be common culprits on Sony TV sets.

    Any help at all is greatly appreciated. I'm determined to get this going again.
     
  2. yakan53

    yakan53

    1
    0
    Aug 26, 2009
    If you send the schematics diagram I will help you.

     
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