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Marantz CD63 & CD67 mods list
Marantz CD63 & CD67 mods list
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Old 15th August 2017, 08:15 AM   #21111
Malefoda is offline Malefoda  France
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Again, search the thread and regulate drivers power rails, add local regulators for DACs and decoder (LM317 with leds), a clock to the servo. Best bang for buck, made 5 or more CD63, that was among the best for the less job. It compared with a +2000€ brand new Marantz in down town shop... ( but had the DOS output, can buy PCBs on Ray's website).
From my former sales... :
http://atsh.free.fr/MarantzCDx3/MarantzCDx3.pdf
http://atsh.free.fr/MarantzCDx3/10MecaRegulee.jpg
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Old 20th August 2017, 09:13 PM   #21112
bigi is offline bigi  United Kingdom
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thanks for the info I notice on your photos that you have literally just connected regs straight onto the various sections od DAC etc and not on a board with LEDs? I was looking at using an LED based reg circuit but can't find a circuit from someone who's designed one specifically for audio - did you design yourself or lift the design from elsewhere?

My 67 SE has got Ray's excellent CFP DOS board in, together with a Flea - sounds great!
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Old 21st August 2017, 08:00 AM   #21113
Malefoda is offline Malefoda  France
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Look at the one at the DAC, it's a LM317 with leds. Is it what you need? Check voltages on bench to tune if needed
Marantz CD63 & CD67 mods list
Marantz CD-50 and CD-60, TDA1541, CDM4/19
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Old 21st August 2017, 01:01 PM   #21114
bigi is offline bigi  United Kingdom
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thanks for those links - that what i was looking for


another question though - looking at Ray's guide for modding the 63KI, it still uses Black Gate Std in various places - what would be recommended to replace them now? Rubycon ZLH/ZLG or something better?
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Old 21st August 2017, 02:41 PM   #21115
Malefoda is offline Malefoda  France
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As for me in such CD player mods I'll use these ZLx for analog and Panasonic SEPC for digital supply pins. And for cheap but still good I use Panasonic FM when money is low or remote supply rails.
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Old 21st August 2017, 08:25 PM   #21116
bigi is offline bigi  United Kingdom
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interesting, different options there then! so using the circuit diagram and my basic electronics knowledge, C611-C614 are for the op-amp supply rails so you would suggest ZLx for these, with CD05/06 and CD15/16 would be Panasonic SEPC? (based on Ray's KI values)?

I'm trying to get to grips with what should be used where, but it's confusing when you don't have a deep understanding of electronics like some people

Also, I was looking at your photos again, particularly the extra voltage regulators you've put in around the DAC - I notice that one supply uses a 317 with LEDs, but another one (nearest the clock) is just a straight regulator without any further smoothing caps on it - is there a reason for that?
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Old 1st September 2018, 02:08 PM   #21117
W Green is offline W Green
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Hi, I am new to this forum.

I have noticed that in e-Bay there is a heavily modded CD63 sold for spare
Marantz CD-63 SE CD Player heavily modded (for spare) | eBay

Could someone advise if this is a good idea to have it repaired to save all the trouble of making all the changes from start?
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Old 1st September 2018, 02:16 PM   #21118
Mooly is offline Mooly  United Kingdom
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Marantz CD63 & CD67 mods list
Welcome to diyAudio

The questions you need to ask yourself are whether or not the unit is economically viable to be repaired. Modified units can hold a multitude of (well meaning) sins and many repairers would not really be interested in fault-finding on a modified unit. For example, is the reported issue simply a transport/laser problem, or is it caused by the modifications that have been done.

My advice (unless you are technically competent and skilled in diagnostics) would be to look elsewhere.
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Old 3rd September 2018, 11:05 AM   #21119
W Green is offline W Green
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Quote:
Originally Posted by Mooly View Post
Welcome to diyAudio

The questions you need to ask yourself are whether or not the unit is economically viable to be repaired. Modified units can hold a multitude of (well meaning) sins and many repairers would not really be interested in fault-finding on a modified unit. For example, is the reported issue simply a transport/laser problem, or is it caused by the modifications that have been done.

My advice (unless you are technically competent and skilled in diagnostics) would be to look elsewhere.
Thanks for the advice but I am still havent made up my mind.

Actually the cost of this modded cd63 is not too expensive and if I cannot repair it I can still make use of the useable parts such as the 3 transformers, the clock, the Burson op-amps and the low signal voltage regulators for my future modding project.
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