Labels:book | bulletin board | lodestone | reckoner | sky OCR: KENWOOD ASB. 666 Service Bulletin Amateur Radio Division Subject: TS 950SDX No Beep in Headphones Date: August 4 1992 Background: Several owners of the TS 950SDX have reported the absence of an audio confirmation tone when using monaural headphones The tone present when listening with stereo headphones but only from the right hand speaker element Cause: this design the SUB AF PA circuit supplies audio when using monaural headphone and the MAIN AF PA supplies audio to the right speaker of stereo headphone The audio confirmation tone i5 not applied to both the SUB AF PA and the MAIN PA To simplify circuit design the tone isonly routed to the MAIN AF PA Unfortunately this left monaural users without confirmation tone and stereo beadphone users with a confirmation tone only in the right side o ...
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