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Sansui TU-919 output uPC1190C
Sansui TU-919 output uPC1190C
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Old 14th October 2008, 05:41 PM   #1
coloradosound is offline coloradosound  United States
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Location: colorado
Default Sansui TU-919 output uPC1190C

Just picked up a Sansui TU-919 and immediately found power
supply problems. Looks like cap and/or rectifier problems.
(AC on DC rails). I'm just going to re-cap whole thing and probably
do rectifiers as well. I noticed audio stage has NEC uPC1190C
and cannot find any datasheets on it whatsoever. One of the
datasheet sites has some specs, but does not cover pinout, etc.
I'm thinking of upgrading that to something more modern as
well and would like to find either original datasheets or what
modern devices are pin compatible. If not pin compatible be
able to at least build adapter board for use with OPA2604,
OPA2132 ,or OPA2134 of which I have tons of any of those
on hand.
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Old 31st October 2008, 04:46 PM   #2
coloradosound is offline coloradosound  United States
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Anywon? Anywon?
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Old 31st October 2008, 05:27 PM   #3
kevinkr is offline kevinkr  United States
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Location: Boston, Massachusetts
Sansui TU-919 output uPC1190C
Tuner Information Center is your friend and the forum is worth joining. You'll be able to get lots of good advice on tweaking/repairing the TU-919.. (Very nice tuner when working)

http://www.fmtunerinfo.com/

Indispensable forum and site for tuner tweakers, fmdx'ers, audiophiles, etc.
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Old Yesterday, 10:16 PM   #4
deltalight is offline deltalight
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Default Re: uPC1190c Pin-out

uPC1190c_pinout.jpg
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