Question about Yamaha RX-V663 Receiver

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Will not start up, no response after three attempts.

A few days ago the I would turn the receiver on, there was a lot of static in the audio and when I would turn the volume up or down there would be a small popping sound. If I would restart the receiver the problem would usually be resolved. Last night the problem persisted and the usual remedy did not fix the problem. Now this morning the receiver would not turn on. The display would say "Main On" and then it would power down. After three attempts the receiver becomes unresponsive.

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HI, theses popping sounds were capacitors exploding among other components as well. this is usually caused by a malfunctioning power board that has allowing way to much current in. the main has been fried in this case.

remove the cover and look for a fuse by the power cord solder(connection) point. if there is no fuse in the section, this will confirm major burn out.

Replace the entire main and power Assembly in this case.

Posted on May 22, 2009


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Posted on Jan 02, 2017


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Check a few things first to narrow this down a bit. Disable the surround processing. If this clears up that channel, then the problem is in the processing area. If the static remains, vary the volume. Does the static change volume too? If so, then the problem is in the beginning stages of the pre-amp section and is likely a transistor or two breaking down. The parts for this would be in the $5 range. This would probably be considered a "major' repair becaue of the time required to hunt down the defective part.


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