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  4. » Gottlieb Wipeout column of lights out help needed
(Topic ID: 281826)

Gottlieb Wipeout column of lights out help needed

By futurepinhead

3 years ago



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  • 7 posts
  • 3 Pinsiders participating
  • Latest reply 3 years ago by arolden
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    #1 3 years ago
    OP
     
    JDN

    futurepinhead

    Pinside member

    12y 81,800 3,358 25

    I recently picked up a Wipeout. I got everything working except for one switch and a column of lights. I know that Gottlieb ties in the switches and the lights together but I think that these issues are seperate.

    I have circled the column of lights that need work. I swapped out Q51 which looks to be the transistor that controls this column but when I did that, R23 got white and hot and unsoldered itself, so I turned it off.
    The other image is the switch that is acting up.

    Driver board (resized).pngDriver board (resized).pngLamps (resized).pngLamps (resized).pngSwitches (resized).pngSwitches (resized).png
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    #2 3 years ago
     
    TOX

    ChrisHibler

    Chris' Pinball Repair

    US Chesterfield, MO

    12y 120K 9,997 46

    Did you use the correct part to replace the failed transistor or FET? What part did you use?
    —
    Chris Hibler - CARGPB #31
    Http://chrishiblerpinball.com/contact
    http://www.PinWiki.com/ - The new place for pinball repair info

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    #3 3 years ago
    OP
     
    JDN

    futurepinhead

    Pinside member

    12y 81,800 3,358 25

    Quoted from ChrisHibler:

    Did you use the correct part to replace the failed transistor or FET? What part did you use?
    —
    Chris Hibler - CARGPB #31
    Http://chrishiblerpinball.com/contact
    http://www.PinWiki.com/ - The new place for pinball repair info

    My local store gave me a NTE2987 to replace it. Claimed it was the equivalent.

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    #4 3 years ago
     
    TOX

    ChrisHibler

    Chris' Pinball Repair

    US Chesterfield, MO

    12y 120K 9,997 46

    That does look like a valid cross.
    Oriented correctly?
    —
    Chris Hibler - CARGPB #31
    Http://chrishiblerpinball.com/contact
    http://www.PinWiki.com/ - The new place for pinball repair info

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    #5 3 years ago
    OP
     
    JDN

    futurepinhead

    Pinside member

    12y 81,800 3,358 25

    Yeah it is. I even swapped Q51 and Q52 to see if that would fix it and it did not. I only saw the register get hot the once and it is no longer doing it after I reflowed it. So maybe the solder was just broke on one end when it got hot.

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    #6 3 years ago
    OP
     
    JDN

    futurepinhead

    Pinside member

    12y 81,800 3,358 25

    Bump

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    #7 3 years ago
     
    ASV

    arolden

    Pinside member

    10y 46,550 975

    Did you verify that all traces are still intact? If the resistor got hot enough to melt solder, there may be other solder joins which have been compromised.

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