Question about Televison & Video
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The East-West correction circuitry together with the Pincuhion and Parabola correction are essential part of the horizontal deflection in a CRT base TV unit. Normally, ICs are used and therefore would be the prime suspect if failure in any of these correction circuitries. Examples of ICs used are AN10294, TDA4950, TDA 8145 and still others.
This of course requires opening the unit, perform voltage measurements, determine the faulty component and subsequent parts replacement. This of course would require a fair familiarity of electronic components/circuitry and safety procedures, use of a DVM and a soldering iron. It would be to your added advantage access to a service manual or at the very least a schematic diagram with voltage readings.Should you be uncomfortable performing a DIY (do-it-yourself), perhaps your best bet would then be to seek the services of a qualified professional.
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Posted on Dec 09, 2008
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Posted on Jan 02, 2017
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