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Mitsubishi TV horizontal picture size

Discussion in 'Electronic Repair' started by Peter Orban, Feb 22, 2005.

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  1. Peter Orban

    Peter Orban Guest

    Hi Everyone,

    I have a Mitsubishi CS21SX1C TV, chassis no: XL-B-CSX1, built in '93.
    The TV seems to be over scanning a bit. How do you adjust the horizontal
    picture size?
    I picked up the TV from a dumpster, it had a bad vertical IC. While
    debugging, I built the 0.99$ ESR tester, checked all the caps and
    replaced a few in the process.
    I did find the vertical size pot, but not a horizontal one.

    Thanks for any advice, Peter
  2. Guest

    There is no horizontal size adjustment on 99% of all tv sets 25" and
    smaller. It is fixed in the scan components used. You adjust the
    vertical for correct aspect ratio with the horizontal.
  3. Peter Orban

    Peter Orban Guest

    Now you mention, it makes sense. When I replaced the 7837 vertical IC, I
    needed to adjust the vertical size of the picture as it was over
    scanning a bit.
    I went through again Sam's TV repair faq, I will check the B+ voltage.
    Anything else that would cause a bigger picture? Higher HV?

    Thanks again, Peter
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