Marantz CD-60 NON-OS Tuning

[Carracho]

Hi Folks,
i would like to tun-up my Marantz CD-60 and i need some
assistence to build it to a NON-OS by using the TDA1541A !
I read a lot about the 1541A here in the DIY-Audio
Forum but i can´t apply direct to the PCB !
I got the Service Manual and I want to change a lot of Part´s
like exchanging all Resistor where Sound passes to NON-Magnetic by Vishay-Dale or all standart CAP´s relaced to bigger ones by Nichicon MUSE and Panasonic FC Gold Series !
Normal Foil CAP´s out and MKT in.
DIODES like 1N4002 kicked by Schottky or IXYS-Diodes !
But the MAIN-THING is to make a NON-OS Player !
Does anyone got experience with the CD-60 and can help me ?

Also witch one is better Nichicon MUSE, Rubicon or
Panasonic FC ?
Vishay-Dale or TKD Resistor ?

best regards Carracho

 

[Random Task]

Have a look at this : www.tnt-audio.com/clinica/cd60pc.html

All in all, I think, the best modification for cd-player is the analog outputstage...
The most succes you get is to change op-amp circuit into discrete outputstage, if it isn´t even in your model..(don´t know this marantz..)
For what reason reason ever, discrete outputstages sounds better than the best OP-Amp
Why??

 

[Carracho]

thx Random
I Know tnt-audio !
On this site Peter Campell tunes a CD-60 Output OPA and on the next steps he gives a cleaner Voltage to the TDA1541A
nothing else :-( !

I intent to listen this OP´s
AD275GP
OPA627
AD825
OPA2134PA
OPA2604AP then i will hear witch on touch my taste !

I have contacted ecdesign.nl ! watch here in diyaudio they
have a lot TDA1541A project ! So mayby these guys can
give some hints t apply NON-OS direcly on the PCB !

 

[aparatusonitus]

Nonos mod...

http://www.diyaudio.com/forums/showthread.php?s=&threadid=87870

 

[Carracho]

THX aparatusonitus !

I just finishet on Thursday ! ;-) Great !
I find the same INFO´s you send to me

thx anyway

 

[Carracho]

@ aparatusonitus

did you allready disabled the Digital Filter by cuting
3 lanes ?
sounds a little bit more stable ;-)

 

[aparatusonitus]

@ aparatusonitus

did you allready disabled the Digital Filter by cuting
3 lanes ?

As I've already stated in the link above, I did a nonos mod by cutting a 3 lines from SAA7220 to TDA1541A, bypassing 3 lines from SAA7210 to TDA1541A as in image.

sounds a little bit more stable ;-)

I'm not shure what you mean by that...

 

[Carracho]

Sorry for that long Delay :-( a little bit bussy . . .

This disable the Digital OUT !

You can use the SAA7220 as a low Jitter clock by cutting
Pins 6 7 8 !
So it get no Digital Data more ! no Input no Jitter !



Thats makes the Sound more stable , immediately !

 

[Aronier]

Hello,

do anybody know if the non-os mod from Marantz CD 60 can be do at the CD 40?

Thanks.

Aronier

 

[carawu]

Hello,

do anybody know if the non-os mod from Marantz CD 60 can be do at the CD 40?

Thanks.

Aronier

Yes, it´s the same mainboard.

 

[Aronier]

Hi,

can I do the non-os mod at my Philips CD 304 MK2? It has the TDA1541 & SAA7220P/A?

Has anybody a picture from the modded mainboard, because i cant find the pins or can show me in my picture the pins?

Thanks.

Regards

Aronier