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quartz lock issue

  1. QSilver

    Pioneer PD1003 IC Solution

    Seeing as this is a Pioneer chip, I figured the best place to say this was here. I've been working on a PL-630 and after some reworking and repairs, discovered that the PD1003 oscillator chip was (mostly) dead, and the motor just gently bounced back and forth. I confirmed it was the earlier...
    • QSilver
    • Thread
    • motor drive ic motor failure motor issues motor not spinning oscillator pd1003 pioneer pl-630 quartz lock quartz lock issue turntable
    • Replies: 14
    • Forum: Pioneer Audio
  2. QSilver

    PL-8 Unsteady quartz lock

    I thought I'd posted about this a while back but after a lot of searching I haven't found anything so here we go. I bought this PL-8 a year or more ago and it wasn't working when I got it. I managed to get the SM from fellow AKer, Beej, so big thanks for that. After doing some probing and...
    • QSilver
    • Thread
    • flickering pioneer pl-8 quartz lock issue unsteady
    • Replies: 9
    • Forum: Pioneer Audio
  3. Halisson

    G6700 no signal pré scaler - Digital problem

    Hello and thanks for reading. I have read all posts about G6700 display faults, etc. Mine is cut, lights do not turn on the center TUNE, but turns the TUNE on the left when identifying a poorly tuned radio. I have a 50mhz oscilloscope, I can not detect any variation from the front end FF-631U...
  4. skynetyt

    Turntable Trio KP-7700 (Kenwood KD-750) speed stability issue

    Trio KP-7700 - it is Kenwood KD-750 just for US market, internally it is the same turntable. Here is the problem: when I press the play button, Quartz Lock indicator constantly flashing and the table cannot adjust speed neither to 33 nor to 45 rpm, but sometimes it locks right away from the...
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