Question about RCA RS2640 CD Shelf System

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No sound No audio I have no sound And The tape player will not turn on. The two NTE7186 audio output transister have been replaced. What...

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  • tmaxxnitro Mar 11, 2008

    i also have this problem tha tape si not working and there is no sound i think there is a voltage missing can you hel on this one.

    model rs 2640 rca.


  • mlinacre Jan 04, 2009

    how do you change fuses



2 Answers

Check the fuses

Posted on Jan 24, 2008


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Check tranistor 2sc3203y (q401)/replace with nte 382/it fixed my problem

Posted on Aug 24, 2008


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Posted on Jan 02, 2017

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I need to know how to record from a cassette to a cd

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Various stores sell various modern devices, music centres, hi-fi and suchlike purpose built for the purpose of transferring audio from tape and vinyl to cd. Link below is the results of a google search.

The big problem is usually a loss of sound quality which can be minimised by using a high quality tape deck and impedance and sensitivity matching it to your computer or other device(s) depending what method you choose to use.

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I purchased an old Realistic TRC-431 CB. When I turned it on it worked fine, the mic was keyed then the lights went dim and stayed dim. Now the lights remain dim. I checked the two output transistors...

The problem is with your power supply. There should be a big round transister on the power supply this is the power transister. It will be mounted to the power supply case. Replace this transister and try to operaste your radio again. Make sure that the power supply you use is at leat 7 amps or the radio will not operate properly and you will possibly blow the transister again.

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Can not get sound playing a vcr tape but can get sound playing a dvd please help

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I hope this help, Magoo

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output tranisister is the transister that give the finial output of sound.
some use a output IC for the same purpose.

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