Pioneer PD-S501 CD Player Schematic Wanted/Or Help!! - Page 2 - diyAudio
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Old 6th October 2004, 06:43 PM   #11
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Hi,

Same here... Does anyone know how to get the PDF in that link?

Thanks!
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Old 9th October 2004, 12:31 AM   #12
PMik is offline PMik  United States
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Im also in great need for a PD-S501 service manual

Please! re-post active link one more time
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Old 12th October 2004, 01:48 PM   #13
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This is a bit of a grey area.

I received the manual from a poster at audioasylum, and I'm not sure how he'd feel about me redistributing it. That is why I'm not comfortable leaving it on my server permanently.

It's online for the last time today, please fetch it, distribute via email or such. If it appears on-line on another server I'll deny any and all affiliation...
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Old 12th October 2004, 06:43 PM   #14
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Thanx mate.

It has been awfull quiet on your site lately, pursuing other hobby's?
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Old 12th October 2004, 06:54 PM   #15
PMik is offline PMik  United States
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thanks! this is a great help

After recieving this schematics and made an overlook of it,
im missing few minor details to be able for creating a sort of "el chepo" version of your CD Enhancer II
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Old 12th October 2004, 08:29 PM   #16
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Never needed a service manual for that.

Just play a tone, poke around the dac pins with a probe for a bit and you've found the outputs. From there there will always be a pair of resistors connecting to an opamp. Disconnect and do your thing.
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Old 12th October 2004, 10:56 PM   #17
PMik is offline PMik  United States
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I wanted to valuate the power-supplies, local supplies and there de-coupling....a lot of improvement can and will be made

regarding the analog stages.....
Im going use a twin tubed SRPP buffer based on "simple" ECC82's.......no trannies and no tubed rectifere
cheap trick you could state ........

But this "El Chepo" will sound great!

project only possible by making use the emty leftside in the cabinet, re-placement of the original transformer with new bidge/electrolytic capacity 4x 10.000F/16V-
the HT/glow supply is placed the same region and is planned to be made of a toridal transformer (220V/0,15A 6,3V/3A 12V/0,3A), bridge, 100F/450V, choke, 220F/400V.
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Old 13th October 2004, 09:12 PM   #18
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Hi,

It looks like I missed the time window...
Could someone please send me the PDF in question?

Many many thanks in advance!
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Old 14th October 2004, 11:45 AM   #19
bodhi is offline bodhi  Australia-Aboriginal
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Default pd-s504

Hi
It seems this player is a star !
I've got it and while i like the forward midrange a bit more of details wouldn't hassle .....

how do you find your stock pds-501/3/4 is sounding ?


anyone who can suggest what to do ?
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Old 15th October 2004, 03:11 AM   #20
PMik is offline PMik  United States
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Bodhi

I have be direct........i dont think this player is very musical as it is....its just a dull digital expirience, with lack of subbass, clearity, stage and cresendo............but this is how it should be when its standard
The sound is just as good as the power-supplies .....and they need a makeover job done, make a few changes to the analog stage to and then we have a whole different experience

The "Stabile Platter" cd-drive is whats makes this cd-player a good "base" for a mod. project, the "almost look a like metal" plastic finish this model got....is not to bad either

ill be (re-)posting a suggestion for "non tubed" PD-S501 mod.

Did made it a couple of hours ago...but just as i was close to finish the guide..... my pc made a BSOD and lost all my writing by that (duh!)
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