Question about Yamaha RX-V663 Receiver

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When i first power it up it only outputs about ten percent of nornal sound if i reboot it it usualy works properly just wondering what might be going on thankyou 663 receiver not 3d

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Hi whitecloud91,
This was caused by dried filter capacitor in the pre-amplifier stage(where the volume control is connected) and/or in the main sound output circuitry(where the large heat sink located). This capacitor is not totally faulty, need a little warm-up to make itself stable but the symptom will get worst. To isolate the faulty parts, you must have a capacitor checker to determine its condition and pinpoint where the faulty one. A leaky capacitor will do the same symptom, it has a physical indication of defect like bulging/dome at the top.
If you don't have necessary tools and test instrument and can't troubleshoot the unit yourself, I would advice you to look for a qualified technician to isolate the problem.
Hope I helped you.
Have a nice day!
Thanks for using Fixya.

Posted on Apr 06, 2011

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