Question about JVC AV-27720 27" TV
Posted by Anonymous on
Check and replace damaged component/s at its horizontal scan output section circuit. Check the LOT (Line Output Transformer) too for damage. Replace the horizontal scan output transistor. Check the input voltage to LOT. If the voltage is absent check the feeder resistor; if any. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
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Posted on Mar 28, 2015
You are likely hearing a protective relay connecting/disconnecting the AC in.
Often caused by a shorted horizontal output (flyback) transistor and also can indicate that the transformer (flyback) that produces the high voltage and horizontal drive signal has died.
Parts for CRT sets are becoming harder to find, you might consider replacing your set at this point.
Posted on Mar 27, 2015
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Posted on Jan 02, 2017
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