(Topic ID: 188603)

Stern DA-300 7 Digit - One segment missing

By hisokajp

6 years ago



Topic Stats

  • 7 posts
  • 3 Pinsiders participating
  • Latest reply 6 years ago by hisokajp
  • Topic is favorited by 2 Pinsiders

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    #1 6 years ago

    Segment 2 of the digits are missing, I have tried hard to fix that display following the http://www.pinwiki.com/wiki/index.php?title=Bally/Stern#Display_problems but no dice, getting to the point I don't want to spend the $50 for a new display just for the satisfaction of all that time meaning something...

    Reflowed the pins, no change
    Changed the transistor, no dice
    Changed the decoder, kinda worked for a while or maybe I just dreamt it...
    Changed all (8) 100K ohm 1/2 watt resistors, no change...
    I try tracing what I could see for the Segement E and all seems to check out but no luck.

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    #3 6 years ago

    it's pretty much a copy/paste of the Pinwiki section, I did replace both the segment drivers and decoders, no dice :S

    #5 6 years ago

    unsolder all but the one segment (E) that isn't working you mean?

    #7 6 years ago

    tried that out, unsolder all but segment E and nothing was showing on the display... I am fresh out of ideas and I am thinking $50 for a new display is more reasonable at this stage.

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