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Thread: Laserworld CS400G repair, need some help......

  1. #1
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    Default Laserworld CS400G repair, need some help......

    Hello Guys

    I need to help out a friend that is doing a repair on a laserworld CS400G.

    He said that the amplifier chip has gone bad but the nr was sanded off. Is there anyone who knows what type of chip it is?

    Thanks for the help!!!
    Attached Thumbnails Attached Thumbnails amplifier chip.jpg  



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  2. #2
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    A better picture perhaps:
    Attached Thumbnails Attached Thumbnails laserworld scannerboard.jpg  



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  3. #3
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    Looks like a power op-amp.

  4. #4
    mixedgas's Avatar
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    Possibly ST L165 family, or National LM675, that family of power opamps in a five lead pentawatt package...

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  5. #5
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    The guy that contacted me yesterday send some pictures. It wasn,t the same amp as i googled. Here is the right picture from the Amp. Perhaps a TDA2030?

    They sanded off the nr so i,m trying to find info to help the guy so he can repair it.

    Thanks guys.
    Attached Thumbnails Attached Thumbnails foto-1.jpg  



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