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Recent content by tozito

  1. T

    Philips 170S5 no power ON - PSU ok

    Dear Forum, I'll need your contribution on this one... the screen doesn't power ON, also LED on control board is all OFF; so far I've been able to check PSU as OK, all the output are OK on osciloscope (12V - 5V - 3,3V). Also the 2,5V regulator (7507) on scaler board is OK, 12Mhz oscilator OK...

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