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Looking for datasheets CXA1470 (Hitachi monitor)

Discussion in 'Electronic Repair' started by Richard Rasker, Oct 8, 2004.

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  1. Hi all,
    I've got this Hitachi CM2198ME monitor here with erratic flickering
    and twitching in the vertical deflection, caused by some problem in the
    E/W correction signal AFAICS (the parabolic signal exhibits clearly
    visible erratic phase shifts). I managed to trace back this signal to a
    CXA1470 IC, but lacking any datasheets, I'm stuck there. Besides, it's
    deep down on the front part of the main PCB, which sticking a scope probe
    in is exceedingly dangerous when the monitor is switched on.

    Does anyone have this beastie on a schematic diagram, and can he/she at
    least point me to some of the input signals to this chip?

    Any suggestion is much appreciated.


    Richard Rasker
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