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Wave radio emits intensely loud high pitch noise when switched on

My wave radio gen 1 now emits an intensely loud high pitched note when we switch on. This started with no warning after we were away on vacation. No problem before. Radio was off during this time, and no apparent signs of a power surge elsewhere in house.

There is no way to turn down the volume on this sound - it is so loud it hurts your ears. Only way to kill it is to hit the on-off button again.

There is no reset button I can see. It doesn't matter if radio is on AM or FM or AUX setting - the radio doesn't play the radio, just this very loud noise.

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Posted on Jan 02, 2017

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DigidocTN
  • 22 Answers

SOURCE: Bose Wave Radio AWR1 1W

I can tell you what to check if you know how to use an ohmmeter. But I warn you you could get shocked if you do not know what you are doing. The transformer has 3 windings, two are for DC voltages, and the other is 3V AC.Your meter can measure those using the AC scale. Next, check the voltage on the 3 terminal regulator IC. One leg will have 18V, the output will have 10V. Again please use CAUTION! Finally, the to-92 transistor Q1 is used as a 5V regulator. Check it (with power off and unplugged) for any shorts, especially base-emitter. If non of these ideas work, I would offer to buy your non working unit if you decide to get rid of it.

Posted on Jun 30, 2009

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  • 3287 Answers

SOURCE: Just installed a Bose Wave system, but the radio

There is probably a source of interference near the radio. Move the radio into another room and tune 96.1 again. If the interference is still present, try again - further away still. You should be able to find a place in your home that the interference is not present. If you are unable to find such a location, try another radio tuned to the same frequency and repeat the steps above. If the interference is present on the new radio - there is an electrical device nearby (not the radio) that is causing the noise.

You could try a battery operated radio (not plugged into the outlet) to determine if the noise is coming into the radio via antenna - or by the power cord. If the noise is gone, the problem is on the wiring in your home. It could be caused by any appliance in your home - or from the utility itself. You'll have to go around unplugging everything (or shutting circuit breakers off) one by one until you find the source. Don't forget to plug the radio into a different circuit after you've gone thru every circuit - just in case it was plugged into the circuit that was the source of the noise.

IF the noise was present while on battery power, the above test will help determine if the noise source in your house, too. You may have to contact the utility about the noise problem - or it may be a problem within a neighbor's home too. Walk around with a battery operated radio on 96.1 and listen for a stronger sounding noise from the speaker. The closer you get to the source will provide a louder sound.

I hope this helps! Good luck!

Posted on Aug 23, 2010

rockmeister
  • 2047 Answers

SOURCE: Bose Wave Radio, Model AWR1-1W When turned on

Loud buzz is usually caused by static and radio interference in radios. If none of this is affecting you unit presently there there is a probability that some cables which aid the fm antenna in receiving stations this could act as static which brings about the buzz on the unit. Either way it is caused by interference on the fm receiver end and all you have to do is get that serviced and the problem is solved.
Hope this solution has been helpful?

Posted on Dec 30, 2010

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