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Powers on but no sound

Schematic needed for NAD 7020 TUNER AMP , it lights up but as no output

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These are not available electronically as far as I know. Also, there are a number of variants of this receiver based upon its serial number. Can you post the serial number here please? Also, are there any other symptoms at all or just no output? Look inside to see if your unit has relays for the speakers. If it does not, look for speaker fuses and be sure that they are not blown. Once I get the serial number, I'll try to provide you with additional details.

Dan

Posted on Dec 31, 2008

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Posted on Jan 02, 2017

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Schematic diagram


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2. if it has the speaker switch(A, B, A+B) try toggling it, might also just loose contacts.
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If your 2100ES has a selectable INPUT AND OUTPUT and if you're intending to send all signal to the power amp, i.e. not bi-wiring or using the 2100ES to run mid-range or treble then you simply send Left & Right audio (White & Red cable) from a 2100ES output, probably AUX OUT ( it doesn't really matter apart from Phono on some units) straight to the power amp on AUX IN.
We should be just dealing with audio here, so connect the NAD audio output to CD or DVD IN. Select CD or DVD IN on 2100ES input switch and switch output to AUX OUT (whatever you decided goes to the power amp) on the 2100ES. Turn power amp to AUX IN and it will now get an audio signal from the 2100ES for amplification.
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So, summary - switch on the NAD, press play - video goes separately and audio goes to the 2100ES. Turn 2100ES to INPUT for NAD. Turn 2100ES to OUTPUT allocated for power amp. Turn INPUT on power amp to allocation for 2100ES.

Turn it up!

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Hi Jimmy

The output of the preamp connects to the input of the power-amp, left and right channels respectively. Some preamps (like NAD) can have more than one set of outputs, is this what you are dealing with? If you can give me the make and models of the gear then I can help you more... :)

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