Philips 40PFL3505D/F7 Repair

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  • TeeEeeKay
    Member
    • Sep 2015
    • 10
    • USA
    #1

    Philips 40PFL3505D/F7 Repair

    Not many hits on this model here on this forum, so I thought I'd add one. Found this TV in the trash. Fired it up and it appeared to work fine. Tried it again the next day and nothing - just the white power-on led on the front turned on. Pulled all the caps on the power board and checked them with my Fluke 26III meter - all checked good. Then I noticed the solder connection on the drain of Q1702 FET (TK5A50D) looked flaky (it was the only one of three leads that had the eyelet mount thru the board.) I probed it while power applied and the set came to life. Re-soldered all the eyelet connections on the board and it has been working fine for several days.

    There was also a firmware update that I applied - the readme file said it addressed a "set will not turn on intermittently" issue although I think the bad solder connection was the real culprit.
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