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Thread: Pot modding laser, small problems

  1. #1
    Join Date
    Aug 2009
    Location
    Norway
    Posts
    272

    Default Pot modding laser, small problems

    I want to pot mod the green module in my RGB projector to decrease power, because the color balance is terrible. But there is two small problems..
    1. There is two pots on the driver, how do I know which controls the current? Written next to the pots are VR1 and VR2.
    2. The screws on the pots are glued in place . How can I remove this glue without damaging the pots?

    Click image for larger version. 

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  2. #2
    Join Date
    Nov 2007
    Location
    Bend Oregon USA
    Posts
    3,348

    Default

    Quote Originally Posted by Grix View Post
    I want to pot mod the green module in my RGB projector to decrease power, because the color balance is terrible. But there is two small problems..
    1. There is two pots on the driver, how do I know which controls the current? Written next to the pots are VR1 and VR2.
    2. The screws on the pots are glued in place . How can I remove this glue without damaging the pots?

    Click image for larger version. 

Name:	SANY0007.JPG 
Views:	31 
Size:	271.1 KB 
ID:	18526
    bob dobbs (is that bob dobbs?) would say turning the pot with the glue wont hurt the pot

    pick one and make a small adjustment and it will either work or it wont
    Pat B on alt.lasers


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  3. #3
    Join Date
    Aug 2009
    Location
    Norway
    Posts
    272

    Default

    Thanks. I figured it out.

  4. #4
    Join Date
    Jan 2010
    Posts
    6

    Default

    Hi

    I'm searching for the meaning of the VR1 and the VR2.
    Do you know wich one is the current and which one is the TEC?

    thank you very much for you help.

    Best regards

    Raph

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