Marantz CD63 & CD67 mods list - Page 12 - diyAudio
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Old 9th January 2006, 01:38 PM   #111
SimontY is offline SimontY  United Kingdom
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The results will be there, even if you didn't experience them in isolation. Coupling feet I found to be very important (I used oak cones), as without doing this the Marantz was a boom n tizz style player with one-note bass. Very tiring indeed.
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Old 9th January 2006, 05:19 PM   #112
6h5c is offline 6h5c  Netherlands
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Quote:
Originally posted by SimontY

Thanks very much for your help. Someone also e-mailed me the service manual. It's a good thing to have because my player now doesn't work, so I have some fault finding to do!
Hi SimontY,

Any luck on your player yet?

Ray.
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Old 9th January 2006, 06:11 PM   #113
SimontY is offline SimontY  United Kingdom
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Hello Ray,

Nope, can't see what the problem is yet, but I only started looking recently. The iron is hot, so I should strike now!

At least I can see U262 now, thanks! I'll take that out. And I found my camera today (thought I'd maybe lost it) so I can take a pic of my laughably messy work.
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Old 9th January 2006, 06:52 PM   #114
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I found this page to be helpful:

http://www.tnt-audio.com/clinica/cd67.html

I did the blutack mods, putting sound deadening inside the chassis, replacing RC filters with LC filters, snipping the output muting transisters, replacing the fixed mains cable with a noise-suppressing input, and replacing some capacitors with slightly larger higher quality caps.

Overall for the effort and cost, it was a very worthwhile improvement at the time. BTW Marantz sent me the schematics for free simply by asking for them.
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Old 9th January 2006, 11:45 PM   #115
SimontY is offline SimontY  United Kingdom
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Evening

Still no joy finding what's wrong with the player, but I don't really know how to fault-find it.

Here it is in it's current state with the jumpered buffer etc.
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File Type: jpg nohdam.jpg (88.0 KB, 2999 views)
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Old 10th January 2006, 04:38 AM   #116
JZatopa is offline JZatopa  United States
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Does moding my cd-53 sense when I could just build a nice dac?
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Old 10th January 2006, 07:37 AM   #117
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Simon..

I don't think the HDAM bypass is causing your fault!

I believe there is probably a dry joint or cracked track around the 12V/5V supplies from flexing the pcb when doing this last mod.

Have alook around Q801 Q802 Q811. Turn the pcb upside down and move the regs slightly and look carefully for any movement on the pcb tracks around the solder.

Also the connectors to the laser etc could have a similar problem.
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Old 10th January 2006, 07:56 AM   #118
6h5c is offline 6h5c  Netherlands
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Quote:
Originally posted by SimontY
Evening

Still no joy finding what's wrong with the player, but I don't really know how to fault-find it.

Here it is in it's current state with the jumpered buffer etc.
Think I found it! Your clock isn't attached!
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Old 10th January 2006, 08:02 AM   #119
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LOL

And there is some bird sh*t on Q105

lmao
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Old 10th January 2006, 08:22 AM   #120
6h5c is offline 6h5c  Netherlands
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Hmm, looks like guano to me....

But let's be serious. Simon, is your player totally dead, or does it spin?

Ray.
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