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Sansui 9090 photocell needed.

Discussion in 'Electronic Repair' started by David Farber, Dec 17, 2005.

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  1. David Farber

    David Farber Guest

    The fm stereo is not working in this Sansui 9090. The signal is received in
    mono only. The stereo lamp is good. The VCO of the HA1196 multiplex chip is
    set correctly at 76kHz. In addition, the photocell-lamp (the schematic shows
    it as a lamp and photo diode but the parts listing says "photocell-lamp")
    device located in the noise canceller and multi-path circuit board has an
    internal open lamp. I'm not sure if this will repair the multiplex problem
    but it wouldn't hurt to try. Does anyone know of a supplier for this part? I
    believe there were a few manufacturers that used this type of device back in
    the day.

    Thanks for your reply.
     
  2. Doug

    Doug Guest

    I remember Zenith using them in their TVs
    Theirs were basically inclosed in heat shrink. I would open them up and
    replace the lamp then heat shrink again.youll have to experiment with
    the bulbs to find one that will work.
    There are forums for Sansui
    www.audiokarma.org
     
  3. Doug

    Doug Guest

    This guy may help specializes in Sansui
     
  4. Doug

    Doug Guest

  5. David Farber

    David Farber Guest

  6. Doug

    Doug Guest

    You are welcome
    Doug
     
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