(Topic ID: 290794)

Barb Wire Burnt her board....Gottlieb

By lgallegos100

8 months ago

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  • 21 posts
  • 7 Pinsiders participating
  • Latest reply 7 months ago by frenchmarky
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    #2 8 months ago

    The item that burned appears to be near or off the bottom edge of your photo. Possibly Q37 or Q38. If so, you have a bad lamp or lamp socket.. or loose wire.
    See your manual to see which lamps are hanging off the burned transistor in your lamp matrix.

    If you just replace the board - there's a real good chance that the same thing would happen to the replacement as well.

    #11 8 months ago

    I think you need to re-examine Alexanr1's excellent illustration as to where the problem came from. Could use some animation, though.
    The scorching on the MA-1629 board and the two connectors came from the board below and not the MA-1629.
    Unless it is not the obvious scorching from the board below it and there is something else in the photo that you wanted us to see.

    So why are you thinking the problem is MA-1629?

    #13 8 months ago

    Yep, exactly as mentioned in above posts and clearly shown with a huge red arrow in Alexanr1's post. That's why I wish somebody could do a flaming animation of this one.

    #18 8 months ago

    Before you replace - find out exactly who is connected to Q38 and make sure the responsible lamp(s) or sockets have been fixed. Else new board will toastify itself just as quickly as the old one did.

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