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Toshiba update

Discussion in 'Electronic Repair' started by Golf, Nov 22, 2005.

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  1. Golf

    Golf Guest

    Model #27A33. I didn't have this # last night. Anyhow, I managed to
    inject a horizontal drive signal this time at the base of the driver
    trans, not the HOT. High voltage came up, but only with a bright
    horizontal line across the middle of the screen, about 2" shy from
    reaching both edges of the screen. I can figure my way around to doing
    the same with the vertical section to check, but I am coming to the
    conclusion that either I ruined the video IC when I replaced it, or as
    said before, I was sent the wrong IC. I did question this when I orderd
    it because the pinout wasn't exactly the same - example - horizontal
    out pin on replacement IC falls on a "no connection" spot on the
    chassis. This is one of several. The distributors say this is what
    Toshiba had as a replacement (not the original IC#). I am wondering,
    have any of you professional repair folks come across this type of
    problem before with replacement parts? The old IC # was M61283. The
    replacement was M61283FP. The pinouts ARE NOT THE SAME. Thanks group.
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