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Diamond View 17" monitor, model 1772e, horizontal jitters

Discussion in 'Hobby Electronics' started by Franc Zabkar, Nov 10, 2003.

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  1. Franc Zabkar

    Franc Zabkar Guest

    Does anyone have any experience with a 17" Diamond View CRT monitor,
    model 1772e? It has horizontal jitters at all resolutions. It may be a
    rebadged Acer. The CRT is by Panasonic, the uP by Acer, and the
    support chips by Mitsubishi and Philips.


    - Franc Zabkar
     
  2. Jerry G.

    Jerry G. Guest

    These types of faults are usually attributed to aging electrolytic
    capacitors in the power supply, scan circuits, and sometimes in the pin and
    video processing areas. There are many reasons for scan jitter. Also, make
    sure that the power supply is performing up to specs.

    You can weed out the warn caps using an ESR meter. The more complex way is
    to hard troublesoot the unit.

    --

    Greetings,

    Jerry Greenberg GLG Technologies GLG
    =========================================
    WebPage http://www.zoom-one.com
    Electronics http://www.zoom-one.com/electron.htm
    =========================================


    Does anyone have any experience with a 17" Diamond View CRT monitor,
    model 1772e? It has horizontal jitters at all resolutions. It may be a
    rebadged Acer. The CRT is by Panasonic, the uP by Acer, and the
    support chips by Mitsubishi and Philips.


    - Franc Zabkar
     
  3. Franc Zabkar

    Franc Zabkar Guest

    That's the first thing I did. All caps checked out OK.

    - Franc Zabkar
     
  4. Wayne

    Wayne Guest

    I have this note...
    Mitsubishi Diamond View (1772E) monitor FCC JVP7276E
    Acer 7276E schematics here...
    http://rv6llh.rsuh.ru/shema.htm
    Search for tips on the Anatek site and in the sci.electronics.repair
    archives

    Wayne
     
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