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Philips 34cm tv turned itself off.

Discussion in 'Electronic Repair' started by whitebridge, Apr 8, 2007.

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  1. whitebridge

    whitebridge Guest

    Looking for Philips KR3684 34cm tv (circa 1980's) service manual, especially now it switched itself off (fuse OK, degausser sounds like it comes on, +300vdc present on filter cap, standby light off).

    Anyone know where I can source old Philips' tv schematics, even just it's startup circuit?
  2. Franc Zabkar

    Franc Zabkar Guest

    Without knowing anything about your particular set, I'd look for an
    open circuit startup resistor (~300K) connecting your PWM controller
    IC, or the base/gate of your chopper transistor, to the +300vdc

    - Franc Zabkar
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