CD6000 Clock upgrade practicallities - diyAudio
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Old 5th July 2004, 09:21 AM   #1
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Location: Vught
Question CD6000 Clock upgrade practicallities

Hi all,
I have purchased an XO cristal and built a power supply for it. Building this thing into the CD6000 player is not as easy as I thought it would be. Recognising components is difficult (SMD) and also the schematic that everyone has lacks the part around the clock.

Question 1:
Are the two components next to the cristal the 2x 10p capacitors? I am asking because they look like resistors.

Question 2:
Which of the two capacitors is the inverter input? The one closest to the side of the cabinet ?

I appreciate all help !

Mark
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Old 5th July 2004, 12:38 PM   #2
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Default Re: CD6000 Clock upgrade practicallities

Quote:
Originally posted by DutchMark
Hi all,
I have purchased an XO cristal and built a power supply for it. Building this thing into the CD6000 player is not as easy as I thought it would be. Recognising components is difficult (SMD) and also the schematic that everyone has lacks the part around the clock.

Question 1:
Are the two components next to the cristal the 2x 10p capacitors? I am asking because they look like resistors.

Question 2:
Which of the two capacitors is the inverter input? The one closest to the side of the cabinet ?

I appreciate all help !

Mark
Mark

Yes, the caps lok similar to resistors. Try to follow the traces and you are sure about yourself

At my site you can download a document that helps finding out input / output.

http://www.tentlabs.com/Support/Moun...O2mounting.pdf

Otherwise you can identify the chip and look for the datasheet

succes

Guido
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Old 5th July 2004, 01:09 PM   #3
ergo is offline ergo  Estonia
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As I suggested recently in another thread about CD6000 I would divide the clock signal (with 74HCU04 for example) and separately feed both DAC chips + the signal processor where the clock is originally......

the thread

Rgds,
Ergo
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Old 5th July 2004, 01:11 PM   #4
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Quote:
Originally posted by ergo
As I suggested recently in another thread about CD6000 I would divide the clock signal (with 74HCU04 for example) and separately feed both DAC chips + the signal processor where the clock is originally......

the thread

Rgds,
Ergo
Yes, that helps, ofcourse

My own clocks can drive 3 gates, so need for extra buffer (which slightly increases jitter)

cheers
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Old 5th July 2004, 05:41 PM   #5
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Exclamation Re: CD6000 Clock upgrade practicallities

Quote:
Originally posted by DutchMark
Hi all,
I have purchased an XO cristal and built a power supply for it. Mark
Hi Mark,
A XO is not a crystal but a complete crystal-oscillator.
It cannot be used in the KWAK-CLOCK.
You can download the schematic here:
http://www.diyaudio.com/forums/showt...928#post199928




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Old 5th July 2004, 08:49 PM   #6
ergo is offline ergo  Estonia
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This is why I suggest that inserting clock to DAC and processor IC separately is good idea....

Ergo

PS. attachment in moderation
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Old 6th July 2004, 08:32 PM   #7
ergo is offline ergo  Estonia
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One more try
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File Type: gif cd6000 clock distr.gif (55.6 KB, 669 views)
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Old 10th July 2004, 12:23 PM   #8
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Quote:
Originally posted by ergo
One more try
Thanks Ergo,

Your print layout has been very helpfull. How did you get your hands on that !!!! If you have the full schematic, I would also be very interested.

Anyway, I have perfrmed the modifications. I have built the XO osscilator with low noise independant power supply into the player. Since I had the player in bits on the table, I decided to go all the way and also remove the muting transistors and bridged the capacitors. I also scratched away the tracks leading to the other end of the board to provide signal to the head-phone amp.

The results: Mixed !!! The

Before I go on I should tell you what I have been using:
- Marantz CD6000
- DIY 300B single ended valve amp.
- Virgo II speakers (Dynamic Audio)

I can now touch intruments and singers as they can truely be pinpointed in space. This is great !!! It is like sound is completely surrounding me and coming out of walls. I suspect the clock to have provided the biggest contribution to this effect.
Also, when I play subtle vocals, the sound is great. Deffinition is extremely high.

I recently got my Virgo II speakers. Previously sound has been really civil when I used this set. In the high frequencies, sound was modest. Definition was ok, but high prequencies were not agressively present. This created a combination I could listen to for hours.

After the modefications high frequencies (5-10k) are much more prominently present. As a result sound has become more fatighing.

Does anyone recognize this effect or have suggestions. I am considering to place back the electrolitics in the signal pathway.

Regards,
Mark
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Old 7th September 2005, 01:21 PM   #9
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Angry Elso !!! How Kwak-7 install to Marantz CD6000

I'm not understand install Kwak-7 to Marantz CD6000
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Old 7th September 2005, 08:38 PM   #10
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Lightbulb Re: Elso !!! How Kwak-7 install to Marantz CD6000

Quote:
Originally posted by l_paitoon
I'm not understand install Kwak-7 to Marantz CD6000

Hi, remove both 10p caps and 1M resistor and crystal. Use crystal in KWAK-CLOCK. Connect output of KC to pin 36 XTIN. Don't forget to connect the ground of KC. Ground pads of 10p caps can be used to connect the ground lead.
Use raw digital supply for KC.
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