Marantz CD63 & CD67 mods list - Page 1901 - diyAudio
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Old 25th January 2013, 07:55 AM   #19001
Pocoyo is offline Pocoyo  Indonesia
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From Post 18158, This is the Jumper

Quote:
Originally Posted by REXTON View Post
Well it's a stock 67SE, this is my 1st attempt at modding a CD player, my domain is usually decks. The only thing I've done so far is to change the power chord with a screen Isotek Elite lead. I'll be dampening the chasis & strut bar with some bitumin pad is I get chance next week. So just to recap

U216/217 out
R617/618 - FORGET ABOUT
R651/2/3/4 - I'll take these out!
C655/6/7/8 - out (the slimlic caps)

I've just got one question and again forgive me for seeming a little slow. I've added a Schematic graphic on this reply. The red crosses are the components which I'm gonna remove for the HDAM bypass, but can you check that I'm linking the output of the opamp stage directly to the player out. So, on R216 I'll be soldering a small piece of silver wire (teflon coated) from the posterior most hole in R216 to the leftmost hole where C658 used to sit for right channel output, and from R217 I'll be soldering another silver wire from the posterior most hole of U217 to the leftmost hole of C657 for left channel output. I hope this makes sense.

I'm hoping to also looking into disabling the headphone circuit (removing C901/902 & U139/140) and also disabling headphone muting circuit by removing QN05-QN08, QN25/25/91/92 and RN27/28. These are mods as detailed in the PDF by R.A. van der Steen. I was looking at doing several mods at once whilst I had the PCB dismantled.
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Old 25th January 2013, 08:29 AM   #19002
6h5c is offline 6h5c  Netherlands
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Quote:
Originally Posted by Pocoyo View Post
hey, hey,hey ... post number : 19.000 !!!


New Estimated Post Number 20.000
20.000 – Estimated April 2013 – March 2016
Wow, this thread just keeps on going, amazing!
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Old 25th January 2013, 08:31 AM   #19003
6h5c is offline 6h5c  Netherlands
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Quote:
Originally Posted by Pocoyo View Post
From Post 18158, This is the Jumper
Looks good, if you do it this way it will work fine.

Ray
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Old 25th January 2013, 08:53 AM   #19004
Pocoyo is offline Pocoyo  Indonesia
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i will try this before ray just for my reference

as i know in wadia 12 they used 4 x single opamp
and the output can drive balance / xlr too
in my friend CD46 just use 1 double opamp ad826
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Old 25th January 2013, 09:06 AM   #19005
RCruz is offline RCruz  Switzerland
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Keep it up.

Please make a simple list of the mods you allready did so we can give you hints on how to proceed.
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Old 26th January 2013, 03:06 PM   #19006
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PSU play =P
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Old 26th January 2013, 06:26 PM   #19007
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Old 26th January 2013, 09:57 PM   #19008
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Hi guys,
Im just about to have a play with a cd67 am i right in the dac an servo are clocked together and they are more easily tweaked than the 63 variants ?
many thx alan
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Old 26th January 2013, 10:36 PM   #19009
UV101 is offline UV101  England
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Yep, only 1 clock in a 67 Al.

Also, there are 2 5v regs as the servo section is regulated as std. Std 67's sound better than 63's due to servo.

Same cap mods apply along with everything from the DAC backwards

63's can be pushed further than 67's due to the more discrete decoder and servo.

Here's one i did earlier!!!!!

Click the image to open in full size.

Click the image to open in full size.

Click the image to open in full size.
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Old 26th January 2013, 10:59 PM   #19010
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Nice ian ,
Only a standard version ive loads of bits lying around see how it stacks up againt my main player.
thx alan
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