NAD 3020A schematics or parts list - diyAudio
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Old 2nd March 2006, 10:57 AM   #1
ZuMbAiU is offline ZuMbAiU  Bulgaria
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Unhappy NAD 3020A schematics or parts list

Hi all! I try to restore one beautifull for me NAD 3020 A. I have for the moment the NAD3020 schematics from Geoff Moss and the NAD3020E schematics from edl,but my amplifier is different.I post a picture of my 3020A.I have NEED of any correct parts list or correct schematics for 3020A ,because for the moment I have only one very clear PCB without many orriginal parts.If I can help with any information will be great.I want restore my amp like new,but I have this very big problem may be from 5-6 days and I can`t work with the amp in future without any information.
Thank`s!
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Old 2nd March 2006, 11:17 AM   #2
cpemma is offline cpemma  United Kingdom
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http://www.vintageaudiomanuals.com/-N-.htm have it listed to buy.
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Old 2nd March 2006, 01:14 PM   #3
ZuMbAiU is offline ZuMbAiU  Bulgaria
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I know,because Mr Google say me,but I can`t buy this manual ,because I can`t pay it from Bulgaria or because this site can`t ship for me in my country.I know more online shops with this manual but I can`t buy it from my country
Guys I want only any simple schematics or the parts list. I know that anyone can help me with this ,but may be for $.
If anyone have a heart of gold in the our board I know that can help me and can`t stop waiting this salvage post
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Old 2nd March 2006, 02:47 PM   #4
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Greetings from Norfolk

Is the PCB single sided, it appears so from the phot. If so, you could make a photo copy of the trackwork, and then draw in the components, then develope the circuit diagram from this.

I have done it a few times, and had near complete sucess.

Richard.
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Old 2nd March 2006, 03:47 PM   #5
ZuMbAiU is offline ZuMbAiU  Bulgaria
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Gandalph,thanks,but now I have problems with my digital camera- Fujitsu.If I can try to make any photos may be this monday,but I `am not sure for this.I can try to find any coincidences with my amp and the original 3020,but I`am sure thet anyone have the correct schematics ,but he can help me only for $.
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Old 2nd March 2006, 03:47 PM   #6
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Default schem NAD3020

Hi,

I uploaded it to

http://fileshare.eshop.bg

go there, take it and make it.
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Old 2nd March 2006, 03:53 PM   #7
lineup is offline lineup  Sweden
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Default Re: NAD 3020A schematics or parts list

Quote:
Originally posted by ZuMbAiU
Hi all! I try to restore one beautifull for me NAD 3020 A.
I have for the moment the NAD3020 schematics from Geoff Moss and the NAD3020E schematics from edl,
but my amplifier is different.
I post a picture of my 3020A.
I have NEED of any correct parts list or correct schematics for 3020A
Maybe planet10 can help you.
He has a lot of old stuff.
I wouldnt be surprised, if he had that version scheme.

Send him a message/mail or contact him via his website: http://www.t-linespeakers.org/

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Old 2nd March 2006, 04:20 PM   #8
ZuMbAiU is offline ZuMbAiU  Bulgaria
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derguteton,thanks but I have the schematics for the original 3020 from Geoff Moss on paper.
Now I must mail to planet10 for any schematics ,because this is my last hope for this amplifier.
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Old 2nd March 2006, 05:12 PM   #9
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Guys.,...the problem is there are many NAD3020-versions:

3020
3020A
3020B
3020e
3020i

there are some differences between them, especially the phono stage (mm / mc), preamp .. impedance switch, mute switch mono switch or loudness switch..

I have found schematics of most of them .. .. but not for the 3020A ..

having just acquired a NAD3020A i would be highly interested in the NAD3020A(!) schematic


The NAD3020A features:

phono stage with MM/MC switch
loudness switch, mono switch (no ! mute switch)
no impedance switch
power indicator leds (1-5-10-20-35 Watt)


Who can help us?
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Old 2nd March 2006, 08:05 PM   #10
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Quote:
Originally posted by ZuMbAiU
planet10
Thanx to Apple incrasing storage space to a GB & the high demand for this, the NAD 3020 service manual now lives here

http://p10hifi.net/planet10/manuals/...viceManual.pdf

as mentioned there are quite a few versions of the 3020 -- this is the 1st one.

Also perhaps an aid is the 7020 manual

http://p10hifi.net/planet10/manuals/...ly_servMan.pdf

the only references to the insides of a 3020A i have is this picture (shrunk to fit here -- i can mail a larger one if it will be useful)

dave
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