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Old 19th December 2012, 08:50 AM   #1
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Default pioneer pd 95 cd plaier about 93

hi i need please of the schemaqtic of the ananlogue output stage in particular the I/V conversion stage that seems to me an IC as in the pd 77.
thanks if someone please can help. :-)

cheers
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Old 19th December 2012, 09:39 AM   #2
jaycee is offline jaycee  United Kingdom
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a little googling....
Pioneer PD-95 | Owners Manual, Service Manual, Schematics, Free Download | HiFi Engine
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Old 19th December 2012, 10:01 AM   #3
jaycee is offline jaycee  United Kingdom
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The DACs are PD2028. These are stereo DACs but there are two of them. It doesn't look like this is a current output DAC. IC554/555 are opamps but they seem to be being used for balanced->single ended conversion and buffering.

An NJM2114 opamp is used. You may want to try substituting that. I wouldn't do anything else - this is a high end unit from Pioneer, their Legato Link DAC was very popular.
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Old 19th December 2012, 10:47 AM   #4
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Are you sure?
The DAC output is in tension? It would be a real pity.

Bye!
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