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uveprom

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Posts posted by uveprom


  1. I have a new 9928, but nothing change in it, so both 9928 are ok,

     

    thanks for the tip. i will try,

     

    the pots in rf is one for audio and the other for fine tunning,

     

    i think the problem is the VDP clock, is generated for 2x 7404 gates, and it uses a 2.7uh to generate the vdp clock, i dont have the 2.7uh to replace, im usisng 10uh, i will try to find one to see,

     

    thanks for post,


  2. Saludos,
    Compre una colecovision recientemente y vino dañada, solo muestra imagen negra y un tono constante fijo.
    sabras a que se debe ? donde esta la falla exactamente ?
    gracias por su atencion,

    I have a colecovision that show only black screen and a fixed tone,
    do you know where is the problem ?

    can you help me ?

    thanks,
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