Question about Televison & Video
Superhetrodynes (TVs) piggyback video and audio signals (called IF -- intermediate frequencies). There are various IC's (Integrated Circuits) which detect these frequencies and separate them (filter them) to separate amplifiers and processing circuits. The first STAGE of these filters/processors are in the tuner. The tuner appears to have developed an internal malfunction.
Posted on Jun 30, 2009
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Posted on Jan 02, 2017
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