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xr-q11

  1. mootej

    Sansui computer turntables

    Several of the high end Sansui turntables use a 4-bit microprocessor including the XR-Q7, XR-Q9, XR-Q11, XP-99 and a few others. I saw a few posts of failed processors in these turntables that meant the unit was scrap. The microprocessor was basically hard-programmed at the factory with the ROM...
    • mootej
    • Thread
    • computer chip rom sansui turntables xp-99 xr-q11 xr-q7 xr-q9
    • Replies: 4
    • Forum: Exclusively Sansui
  2. Watthour

    Sansui XR-Q9 Turntable Restoration

    I have a sample of the XR-Q9 turntable on the bench. The complaint was that the table would not drive, there was no automatic action, and the "computer" LED would simply flash until its timeout, then turn off. With the information which is available from several internet sources, I have been...
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