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philips 21dv1 vcr - weird problem! ever seen this before?!

Discussion in 'Electronic Repair' started by b, Apr 21, 2006.

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  1. b

    b Guest

    Hi,
    this vcr (charlie deck) gives a rather snowy liney picture on playback,
    sometimes a small (inch or so) band of clear image at bottom inch of
    pic is visible. It looks like bad heads. Same symptoms on prerecorded
    and own recordings. Doesnt seem to change over time with warmup. (E-E
    pic is OK and yes, I have cleaned heads and entire tape path a few
    times already with no change!)

    Strange thing is, if you record anything on this vcr and then replay it
    on another machine, you get a good, clear b&w image with flickering
    weak/unlocked colour. Then if you go to picture search or pause, you
    get a sped up or still image - with perfect colour!! This seems to me
    to rule out the video heads on the philips.
    never seen this before, is this the drum motor at fault or some head
    switching issue??Unfortunately I don't have a scope, so am at a dead
    end on this one. Any thoughts appreciated. i'd like to give it a chance
    of repair before tossing it out.
    thanks, Ben
     
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