TX-P42C2 4 blinks

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  • Hombre
    Badcaps Veteran
    • Jul 2013
    • 231
    • Croatia
    #1

    TX-P42C2 4 blinks

    Just fixed this one, so to leave a part list, maybe it will be helpful to someone. Although after so many that this model is out i doubt that someone is still using it

    So, it was a 4 blinker, straight away checked SC2 connector - obvious short.
    Damage was:
    Q661 - RJP63F3 - replaced with the same one
    Q402 - RJP56F4A - installed RJP63F3
    Q421 - 2PG011 - installed 45G128
    Q621 - 45G128 - installed same one
    Q451 - DG501RP - replaced with 45G128
    Q701 - smd code 2D
    IC773 - smd code HA
    Q702 - smd code C3W
    D701 - was open

    16V_F line was shorted, when i replaced damaged components i got consumption of 43mA on 16V_F line
    5V line - operating with 5mA
    15V line - 5mA consumption with injected 15V

    That was all damage, drivers for IGBT's were fine.
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