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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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Looking for datasheets CXA1470 (Hitachi monitor)
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. Regards, Richard Rasker -- Linetec Translation and Technology Services http://www.linetec.nl/ |
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