Dear Stacy, I have a JVC AV-27230 chassis that I have replaced the horz out xisitor and c526 to restore hoz sweep. After firing the up the set I got had audio, but @ full blast with no volume control. I then shut down the unit to troubleshoot the audio ckt. After firing it again I notice that the audio is very low with no control of it and it has a buzzing noise. The OSD shows aactivity up an down but no audio. I tryed chilling the ckt, but it did'nt reveal anything. I don't have a service manual. Help! Thank youg

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