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19th December 2012, 08:50 AM
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#1 |
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diyAudio Member
Join Date: Aug 2004
Location: Italy
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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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19th December 2012, 09:39 AM
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#2 |
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diyAudio Member
Join Date: Apr 2004
Location: Norwich, UK
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a little googling....
Pioneer PD-95 | Owners Manual, Service Manual, Schematics, Free Download | HiFi Engine |
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19th December 2012, 10:01 AM
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#3 |
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diyAudio Member
Join Date: Apr 2004
Location: Norwich, UK
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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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