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  1. pat66

    SONY PS 8750 - all speed issues solved !

    Many threads are dealing with issues encountered on the SONY PS 8750. I have one and I has of course all the usuals troubles : speed instability, over speed etc... Bad solder joints on the Xtal lock board are responsable of many of these issues but the 2 slider switchs for 33/45 and Lock ON/OFF...
  2. pat66

    SONY ST-A7 new PCBs

    Hello, You certainly know this very famous tuner from SONY, double display analog and digital, Xtal lock and 14 kg on the scale. But as many other units as PS8570, TTS8000, TC-K88 this tuner is using double side PCB. Unfortunatly those PCB were made without metallized holes making those units...
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