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Sony TRV99E no power failure repair methods
Time£º2014-05-16 08:56:38  Source£ºNetwork  Author£ºUnknown  Clicks£º1227
  

Check the power supply board 7.2V output voltage is normal, measure the VC-19 board IC602 6-pin output voltage of 3V6ZTservice manual download site
Normal .5 feet reset voltage also normal, but IC604, X601 not afford to vibration. X602 is working properly. Initially suspected6ZTservice manual download site
X601 crystal damage. Tried to replace the ineffective last CUP IA604 61 foot measuring 3V low voltage and only multi-1V by sealing off6ZTservice manual download site
After C630, 61-pin voltage rises to 3V, the machine is working properly.6ZTservice manual download site
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