Marantz CD63 & CD67 mods list - Page 1376 - diyAudio
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Old 20th December 2009, 02:15 PM   #13751
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Ray, are you sure? The arrows of the schematics point to a current towards the Decoder... confused..
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Old 20th December 2009, 02:21 PM   #13752
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But that's exactly the same, right? HF-amp is output, decoder is input, minus towards HF-amp.



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Old 20th December 2009, 03:43 PM   #13753
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My brain is on Christmas holidays already...
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Old 20th December 2009, 04:36 PM   #13754
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Well I've just minded that the polystyrene I have do not have any blue circle (input side IIRC) unlike the DOS' ones... strange! Or one of the type is better?
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Old 20th December 2009, 07:17 PM   #13755
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It's not the same with all caps. Some have a short black stripe, some a circle. But as far as I know, this always marks the outer foil side, so theoretically it should be connected to ground, or the low-impedance side of a circuit = output. But it may be of more concern in an RIAA circuit than a 2Vpp HF-signal to be honest

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Old 22nd December 2009, 11:36 AM   #13756
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Guys, I'm about to insert some 7909/7809's at the TCA0372's. From schematics I would insert them at R150/127/164 (+) and R149/128/165 (-). Before inserting them, could someone confirm this is correct?
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Old 22nd December 2009, 02:30 PM   #13757
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Default Pushing the caps till they suicide!

Hi,

you may follow Glenn's advices, including no caps over 470 (I'm with 220 and it works like a clockwork).
Marantz CD63 & CD67 mods list

As for me as I can't live with that strange sound I've had a look in order to try bypasses.
And I've found a poor ZL under presure: I asked him to work in the wrong polarity... maybe the Servo will be much happier with a new cap in the right way And maybe the sound will become "better"! Gimme my dynamic back!
I'm happy that this cap did not blow...

Matthieu
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Old 23rd December 2009, 10:17 AM   #13758
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Hi all

Just to say have a Merry Chrimbo and Happy New Year



Brent
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Old 23rd December 2009, 12:04 PM   #13759
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Or is that Crimbo

Brent
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Old 23rd December 2009, 06:03 PM   #13760
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