Marantz CD63 & CD67 mods list - Page 1375 - diyAudio
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Old 19th December 2009, 07:46 PM   #13741
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Hi Simon,

I can only answer "I don't know". I'll get another CD-53 soon and will put the room as it previously was, I must admit that before I have pushed the speakers closer to the wall to get some bass, but now the CDP is doing more bass than any other source I ever owned! I re-moved them away a bit also.
Stock player vs modded, I'll see and report.

The sound? Too warm and blur low mids, maybe a bit harsh on wistling notes... drums do not strikes like I think they should... maybe that's because I'm back from the xmas show of my son's school (real drums... a dream!), maybe the amp and/or speakers are showing their limits as I push the volume higher (less distortion making us enjoying louder?)...

Hope the stock CD-53 will not be better

Matthieu
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Old 19th December 2009, 10:20 PM   #13742
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Default Problem with Marantz SA7001 (firmware update)

Hi Ray :

I am searching firmware for my marantz sa7001 ... do you know where I can find him?
The problem is :I press the button start the marantz, I read on the screen "open" or "close" , slap in the tray and starts reading without problems
Sometimes on having started the marantz the tray gets stuck .
When it starts well, there is no problem of reading with any type of discs (sacd´s /cd´s)

Please help me .
Tank you

Carlos Barrera
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Old 19th December 2009, 10:28 PM   #13743
quan is offline quan  Australia
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Hi guys, i am in the process of gathering parts for Ray DOS- What would be good alternatives for output cap beside BG?How about ratings in order of desirability?
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Old 20th December 2009, 07:13 AM   #13744
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Mathieu, sounds like the problem I had last week after installing a couple of regs (woolly). I think i have cured it by removing some caps after the reg (not sure how it compares now vs. stock/without regs), but at least it improved vs. my initial regs installation.
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Old 20th December 2009, 07:23 AM   #13745
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You mean you have regs to ICs with no caps? All my regs are very close to IC, in fact where there was the lytic before wich is now at the small bypass place; very close to the IC. That means you have no lytic and just a SMD or small one bypassing pins of the ICs?

Thanks,
Matthieu

(as for DOS caps any good audio one will do, why not try the Muse KZ, cheap beside BG!)
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Old 20th December 2009, 07:25 AM   #13746
6h5c is offline 6h5c  Netherlands
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Quote:
Originally Posted by carlos barrera View Post
Hi Ray :

I am searching firmware for my marantz sa7001 ... do you know where I can find him?

Please help me .
Tank you

Carlos Barrera
Sorry Carlos, can't help you with that. The manual mentions an 'update disc' but I have never seen one. You could try a local Marantz service & repair center.

To fix the tray problem: there's a small switch located somewhere near the front of the drawer. Try cleaning it with some contact spray, it may be the cause of your problems.

Ray
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Old 20th December 2009, 07:56 AM   #13747
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I put in the regs (lm317+onboard lytic cap) in place of some resistors in the voltage path to the chips. The onboard cap was therefore in parallel with another lytic cap to ground. Cutting the cap on the raygulator opened up the sound again.
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Old 20th December 2009, 08:42 AM   #13748
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So it's just right as is. Thanks!
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Old 20th December 2009, 10:39 AM   #13749
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I'm about to replace c505 with a polystyrene 2200uF. I'm just a bit confused about the polarity: minus towards decoder, plus towards HF amp, or vice versa? Can someone give me a quick hint?
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Old 20th December 2009, 12:48 PM   #13750
6h5c is offline 6h5c  Netherlands
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That would be 2200pF I assume, or else it would be quite a big one .
The minus, or outer side of the capacitor winding, always goes towards the output side, because this way it provides some shielding. In this case the HF amp is the output.

Regards,

Ray
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