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  1. Richard P

    Sansui 5500 No Stereo, Clear Mono

    I'm working on a Sansui 5500 receiver and am having an issue with the FM Multiplex board. I get good FM reception but no stereo. I have a good 19 kHz, 3 Vrms signal after TR402 and a 38 kHz, 1Vrms signal at the base of TR403 but no 38 kHz on the collector of TR403. DC voltages around the...
    • Richard P
    • Thread
    • 5500 mpx multiplex sansui stereo stereo separation tuner
    • Replies: 45
    • Forum: Tuners
  2. A

    New FM tuner boards for Sansui 5000 series

    I just recently acquired a Sansui 5500 receiver and much to my dismay the FM tuning started to go bad. The signal level and tuning meters indicate that it’s getting a strong FM signal, it’s just that there is no FM sound. At first I thought that the problem was the FM mute button, but I just...
  3. Childof60

    Sansui 5500 restoration - filter caps

    Picked up a (cosmetically) beautiful Sansui 5500 receiver a few weeks ago of unknown condition. On powering up I found distortion on both channels regardless of the source. I also tested with the amp and pre-amp separated and determined the source of distortion was the power supply. I removed...
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