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Switch Noise I have had this unit since 2004, no problems until now. For some reason now when I change functions or effects either directly or with the remote there is a loud accompanying bass buzz/bang (circa 1 sec). This occurs on all functions, DVD, TV and Tuner playback. I haven't changed the settings and have not introduced any new components into the set-up or the vicinity. I wondered whether this was a common problem associated with audio equipment of this kind/age and whether there is a known-solution OR if this is just due to the age of the components and I should look to replace the unit (although 4 years old seems a bit soon). Any suggestions gratefully received. Many thanks!

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  • Laszloguy Aug 31, 2008

    The Unit is a Yamaha AV Receiver RX-V440RDS (6.1 Channel AV Home Theater Amp)

    thanks

  • Laszloguy Aug 31, 2008

    I will try moving it as suggested, however, I fear it is more likely to be a faulty IC or transistor as I haven't introduced any new power items locally. As I'm not knowledgeable in this area I will have to compare cost of repair versus purchasing a newer unit. Thanks

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Try moving the unit away from power sources, for examples power adapters etc. The noise it is probably because of a faulty transistor or IC in the AMP section of the device.
To fix this you need to take unit apart and test components on the Amp area of the board, as this happens with all devices it is the final amp section having troubles.
Strange thing that device restart normally after this.

Posted on Aug 31, 2008

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