94 mk II before / after - Page 3 - diyAudio
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Old 5th September 2007, 08:48 AM   #21
Wempie is offline Wempie  Indonesia
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Default CD94 MKII Wiring Diagram

Hi Boki,
The CD94 MKII is the as mine Marantz CD95 made for Japan only -100 volt 50 Hz. Do you have the wiring diagram of this player?
Rgds.
WEMPIE
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File Type: jpg my cd-95.jpg (78.8 KB, 979 views)
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Old 5th September 2007, 09:03 AM   #22
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Hi Wempie,

I have CD94 service manual (3MB). There's difference in DAC section...

Boky
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Old 6th September 2007, 09:13 AM   #23
Wempie is offline Wempie  Indonesia
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Default CD94 MKII Wiring Diagram

Hi Boky,
Herewith my detail DAC picture. It has 2 x TDA1541A S1 (Single Crown) but the mark has been removed because of glue of heatsink previously fitted. Need your help to send me the wiring of CD94 MKII to my email at wempie@parnaraya.net or wempie.pauned@hotmail.com. My audio hobby homepage at : http:/www.wempiepauned.com

Cheers
Wempie
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Old 6th September 2007, 10:36 PM   #24
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Default Re: CD94 MKII Wiring Diagram

Quote:
Originally posted by Wempie
Hi Boky,
Herewith my detail DAC picture. It has 2 x TDA1541A S1 (Single Crown) but the mark has been removed because of glue of heatsink previously fitted. Need your help to send me the wiring of CD94 MKII to my email at wempie@parnaraya.net or wempie.pauned@hotmail.com. My audio hobby homepage at : http:/www.wempiepauned.com

Cheers
Wempie

I DO NOT HAVE CD94MKII circuit diagram. I will e-mail you the CD94 service manual.

Boky
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Old 7th September 2007, 12:10 AM   #25
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I've tried....

Hi. This is the qmail-send program at server.
I'm afraid I wasn't able to deliver your message to the following addresses.
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<wempie@parnaraya.net>:
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From: "Nick Svircev" <nsvircev@idx.com.au>
To: <wempie@parnaraya.net>
Subject: CD94
Date: Fri, 7 Sep 2007 07:54:24 +1000
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Cheers,

Boky
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Old 7th September 2007, 03:32 AM   #26
Wempie is offline Wempie  Indonesia
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Default CD94 MKII Wiring Diagram

Hi Boky,
Thanks for your reply, however I already have the service manual of CD-94, so I dont need it. The DAC seems same as CD-94 MKII as shown at my DAC picture attached.

Cheers
WEMPIE
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Old 14th September 2007, 06:31 AM   #27
Wempie is offline Wempie  Indonesia
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Default Marantz CD-95 DAC Board

Hi Boky,
Herewith my DAC board attached, the caps are all replaced with Wima and ERO by previuos owner. Can you help me, I need to know the value of the caps arround the OP Amps the 4 square blue caps and another 4 Wima red caps located between the green caps and the blue caps. Those caps was replaced by the previous owner with parallel at the bottom however with (Silver mica) at the bottom to obtain the original value I quess, but paralleling with Silver mica is not correct I quess. The green caps are 5,600 pf and not parallel. As at your DAC board it shows 4 black cylindrical and 8 oval blue caps.
Regards
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Old 14th September 2007, 09:04 AM   #28
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green caps 5.6nF
red caps 18nF
blue caps 2.4nF

other values (around DAC chips) are readable from my DAC board photo.

I suggest you try polystyrenes 'cause overemphasised mid range....
WIMA polypropylenes are good, but may blow the mid range really too far...
Whatever you choice may be, do not bypass the audio-filter caps.

Good luck,
Boky
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Old 17th September 2007, 01:48 AM   #29
Wempie is offline Wempie  Indonesia
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Default Marantz CD-95 DAC Board

Hi Boky,
Thanks for your kindness, and your suggestion. It really helps me.
My best regards.
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Old 21st October 2007, 12:45 PM   #30
Clivers is offline Clivers  United Kingdom
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Hi Guys,

Very interesting post, I have just got one of these players and I am going to replace the entire output stage with a valve circuit. Google for Lampizator. I have done this already in a cambridge audio cd4se with amazing results and not it's time to do it with a decent dac chip.

I would be grateful if boxy could send a pdf of the service manual for the cd94Mk1, email address is clive.wills@googlemail.com

Cheers guys, a few interesting ideas in addition to the valve circuit to employ!

Clivers
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