Question about Harman Kardon AVR 630 Receiver

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Volume control rises in volume on its own. When I lower volume, it will rise again in just a few minutes to maximum level.

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This is often caused by a defective tact switch on the front panel. With the system turned off, try puching all of the switches on the front( except power on). You should feel the switch engage. If not, then the switch is likely to be faulty and require replacement. Parts cost should be in the $5 range.

Dan

Posted on Aug 29, 2010

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Since it seems to go away, I doubt the speaker is damaged, unless torn speaker cone or burnt voice coil can self-repair in a few minutes every time.

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Need more information on this if possible.

It may be the speed volume is enabled on your radio, does it fade out when you start to come to a stop? Some vehicles have a speed volume setting in their radios in which the radio raises and lowers the volume during driving conditions, like when your comming to a stop, the volume will automatically lower and during faster driving speeds will rise to a higher volume.

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Hi

Replace all tact switches at the control panel... all switches is have bad resistance thats why your system is abnormal!

Thanks!

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Solve my problem


hello friend...
it may be possible that your earpiece volume is low i.e. not maximum so you should press the volume up button when you talking to some one your volume will increase.
if it is no so remove the dust from your mobile speaker.
if still problem persist you have to repair/change your speaker.
now your phone will work well
best of luck......

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The tact switches on the front of the unit are going bad, need to replace them internally.

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