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Rear projection 43" Samsung.

Discussion in 'Electronic Repair' started by Dani, Dec 1, 2007.

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  1. Dani

    Dani Guest

    More info for my previous post. Model # HC-R4351WX/XZC. Chassis # P60B
    Thanks Jamie, & Meat Plow!

    Dead, won't come on, led is on at standby, & just flashes at turn on
    with remote. Unplug connector CNZ04 from convergence, pop in speakers,
    tries to start, but shuts right down. Sanyo STK 394-250 IC's seem ok,
    & all fusible resistors check fine. Can't get at the board
    to do any measurements, without removing it totally. No leaks.
    Removing the main board,
    & removing the STK IC's, all semiconductors check out statically, but
    D402 by the IHVT measures as high as two diodes in series, but ok the
    other direction. It's likely ok. I put
    120 VAC to the "main board" out of the set to do some measurement,
    SMPS has no secondaries, checked the caps in the primary, & all semis
    in the secondary....can't find anything bad, even the vertical seems
    ok! Ideas, anyone? Dani.
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