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Sony raster

Discussion in 'Electronic Repair' started by Vince, Feb 20, 2008.

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  1. Vince

    Vince Guest

    Hi
    I have a Sony KV35v36 that has a real bright raster when the screen voltage
    is sct at 200 volts, I tried the chassis on anothere picture tube and it
    does the same thing, I replaced the screen control, the same thing. Any help
    would be appriciated.
    Thank you
    Vince
     
  2. JANA

    JANA Guest

    Check from the service manual for the proper specs that is required for the
    screen voltage. I think the voltage is checked with the brightness control
    at minimum in that set, but I cannot remember for sure.

    Going from memory, the typical G2 or screen voltage should be about 80 to
    130 Volts, depending on the particular CRT and design. If you have an
    excessive G2 voltage and the CRT is not shorted out, the fault is most
    likely in the HV multiplier. In the Sony sets, this is usually a part of the
    flyback transformer assembly.


    --

    JANA
    _____


    Hi
    I have a Sony KV35v36 that has a real bright raster when the screen voltage
    is sct at 200 volts, I tried the chassis on anothere picture tube and it
    does the same thing, I replaced the screen control, the same thing. Any help
    would be appriciated.
    Thank you
    Vince
     
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