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Vonyx VXA-2000 PA Amplifier schematics?
Vonyx VXA-2000 PA Amplifier schematics?
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Old 14th January 2019, 09:34 AM   #1
hostname is offline hostname
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Join Date: May 2004
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Default Vonyx VXA-2000 PA Amplifier schematics?

Hi,

I'm looking for Vonyx VXA-2000 PA Amplifier schematics or service manual, has anyone seen somewhere? I guess it's skytec copy... I have alot of missing parts on board....

Btw, can anyone suggest cheap analog for SJB6150 / SJB7150 transistors...?
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Old 17th January 2019, 07:12 AM   #2
hostname is offline hostname
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Join Date: May 2004
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Quote:
Originally Posted by hostname View Post

Btw, can anyone suggest cheap analog for SJB6150 / SJB7150 transistors...?
Would it be good choice to replace SJB6150 / SJB7150 with NJW0281G / NJW0302G

SBJ pdf: http://www.semiteh.com/admin/173/upl...-109202312.pdf
NJW pdf: https://www.onsemi.com/pub/Collateral/NJW0281-D.PDF

Thanks for suggestions!
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Old 18th January 2019, 08:53 AM   #3
tonskulus is offline tonskulus  Finland
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Do not put too much effort to this amplifier, if you are not absolutely sure that you want to fix some junk (output power is something around 2x100Watts in reality). Many of those skytecs etc. are self destructing (bad design flaws in amp circuits).

Anyway, can you put some images of the guts / boards?
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Old 18th January 2019, 12:47 PM   #4
hostname is offline hostname
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Yes, I know that it's a cheap crap unit, but i need to fix it... One chanel is working now... For secod one I need cheap transistors analog... I will take pic later if someone interested.
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