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Old 28th January 2010, 01:20 PM   #1
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Default Service Manual for Denon DCD-895?

Hi,

I've bought a DCD-895 for playing with it but I can't find the service manual.

Someone could help?

Thanks in advance
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Old 2nd February 2010, 03:47 PM   #2
ide2003 is offline ide2003  Indonesia
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hi there ClaveFremen,

got SM of DCD920 here
I'm playing currently with DCD520, many of the schematic is similar to 920, even some the component numbering on the pcb..very helpful for me ..sorry..DCD1500 from that link, 920 schematic from here

Last edited by ide2003; 2nd February 2010 at 03:59 PM.
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Old 2nd February 2010, 08:35 PM   #3
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Hi,

both sites are in my bookmarks and DCD-895 is pretty similare but all caps value and numbering are different...

For now I've found important caps directly on the PCB, a Mouser order for a complete elcos recap and some better C0G caps are shipping...

Sadly the filter caps around the opamps have very strange values so I can't use my favourites Wima FKP2...

With both LM4562 and OPA827 this player sounds great!
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Old 3rd February 2010, 05:39 PM   #4
ide2003 is offline ide2003  Indonesia
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hi ClaveFremen, glad that you've order the caps, btw, is there any particular reasons beside just change the old cap? mine has problems. difficult reading, drawers keeps coming out.., laser changed..solved for now and looking for NOS and tube out .

I agree, LM4562 - (can isn't?) paired with black gate army does wonders, good reports up to now from friends
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Old 3rd February 2010, 07:12 PM   #5
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Quote:
Originally Posted by ide2003 View Post
is there any particular reasons beside just change the old cap?
...
laser changed..solved for now
Since the player is so old I've preferred a complete recap so it could last years...

For the same reason I've also ordered a replacement laser, the player tend to skip tracks.

I also think that, since the laser servo circuit is full of elcos a recap could be a good thing.

Did you had any problem replacing the laser, any suggestion for me?

I've ordered Nichicons VR caps to replace the UCC SME, apart the big PSU caps (Nichicons KZ) and where Denon selceted audio elcos (UCC ASR) like in opamp decoupling and output coupling (Nichicons KZ and Elna Silmics).

Apart Silmics that were already in my parts bin the complete Nichicons set costed only 17 (plus shipping) from Mouser.
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Old 4th February 2010, 01:21 PM   #6
ide2003 is offline ide2003  Indonesia
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hi again, nope, I have changed laser one on Sony then on Denon, but I've read somewhere here that you must never touch the trim pot on it and there is a solder joint that have to be removed. Is the servo amps using a chip or discrete transistors? on denon that is-like mine, a sony has chip drivers..
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Old 4th February 2010, 07:21 PM   #7
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there is a solder joint that have to be removed. Is the servo amps using a chip or discrete transistors?
Did you use a ESD safe iron for the solder joint?

It's a Sony chip also on mine.
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Old 5th February 2010, 03:00 PM   #8
ide2003 is offline ide2003  Indonesia
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again..nope, just an ordinary goot 25W solder bout, here in indonesia is very humid, no need for ESD protection I also can touch FETs freely. Btw, I was in Milan/ Arese back in 98 for 2 months, staying at Zagato ..ah DCD520 has disccrete NPN/PNP things for laser, motor and God know what else..
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Old 5th February 2010, 09:17 PM   #9
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Originally Posted by ide2003 View Post
again..nope, just an ordinary goot 25W solder bout, here in indonesia is very humid, no need for ESD protection
...
Btw, I was in Milan/ Arese back in 98 for 2 months, staying at Zagato
Good to know!

So in 98 you were only 10 Kms from my house...the world is so small nowadays...
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Old 7th February 2010, 06:13 PM   #10
ide2003 is offline ide2003  Indonesia
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completely agree, small small world, wish you luck re-capping your denon. mine (PCM56) just NOSed & bypassed using the Iout, next I'll try the CCDA here..suggesting you do NOS & tubing as well ciao
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