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ZuMbAiU 5th April 2006 08:49 PM

Technics SU-V50 schematics wanted
Hi guys.Now I have one Technics SU-V50 amplifier-Class Aa:

I havent the Power Supply for this amp in the case and any simple parts.I want to restore this amp.The case and the PCB are like new, but I can`t find any schematics with Mr.Google.I know that I`am too snoopy in my last posts but this amp is honoured to be working for me.

ZuMbAiU 6th April 2006 12:10 PM

Guys ,I can`t find any info for this amp.I have a dead PS without any info,working preamp,corrections,but the chip for the amp is missing.
I must find any schematics or info ,because I think that I can use it with any DIY amp.:smash:

I know that this model have any Technics analogous models.I can work and with the schematics for any other.:cannotbe:

Mayank 6th April 2006 03:01 PM


Go to Schematics For Free site:

I saw three Technics amplifiers listed there which are from the same SU-V series as the one for your amplifier - SU-V2 (older), SU-662 and SU-V620 (newer).

Perhaps these would help you in your quest.

Good Luck

ZuMbAiU 6th April 2006 07:49 PM

Mayank thanks for the link,but the archives are damaged-I can`t extract this files:rolleyes:
If anyone can help me will be great.I want only any Info for the PS,how I can use the correction,Ins and the pre-amp with any other diy amp.
May be anyone can help with any info for this amp or no?For me this amp with this case like new isn`t dead:smash:

Leolabs 7th April 2006 01:43 AM

try this Japanese site:

ZuMbAiU 8th April 2006 01:26 PM

Thanks Leolabs!
Now will be great if anyone can understand this beautiful Japanese site,because I can`t find any Technics model here.

Leolabs 8th April 2006 02:58 PM

Click on the link below"NEC".

ZuMbAiU 9th April 2006 01:32 PM

Leolabs on the main page I can`t find any link for NEC.On the list amp page I find Onkyo below NEC.Where is this link:bawling:

Leolabs 11th April 2006 02:34 AM

then try this

Ian Finch 25th August 2010 03:49 AM

Mighty Old Thread but a mighty old request too:
Well, I've followed a few dead end leads on similar era Super AA Technics amps and none posted seem to bear any similarity in engineering to the SUV50.

Unlike many others in the SUV super AA class series amps, this is a standard 2.5 U domestic 50 Watter model with a 1-board budget construction and apparently Darlington output stage modules. Heat pipes are an interesting feature too.

If you do have schematic access please post or PM me also for an Email address.
I would be sincerely grateful as this little feller is an interesting performer with imaging particularly. It's a shame to have it no longer operating properly.
Should you have the inclination, comments would be welcome too.

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