HELP!! Marantz SR5006 no sound

tech2014

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Join Date: Aug 2014

Posts: 807

Country: Canada
#1

HELP!! Marantz SR5006 no sound

03-02-2015, 08:59 PM

I have a receiver where sound is good on FRONT r/l channel speaker B, but no sound when I switch speakers to A. I can also hear a buzzing noise in the receiver but it is intermittent.

I am looking into tracing the audio signal on each channel(a/b) as I have a scope. Is it a possible bad output amp or capacitor.
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goontron

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Join Date: Dec 2011

Posts: 4108

Country: US
#2

03-02-2015, 09:53 PM

Re: HELP!! Marantz SR5006 no sound

IIRC they have an issue of blowing the output preamp.
i work on the 70s and older tube stuff, so i can't really help too much, sorry.

Things I've fixed: anything from semis to crappy Chinese $2 radios, and now an IoT Dildo....

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