Do these Philips' CDM4 fit with my NAIM CDI? - diyAudio
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Old 28th April 2010, 06:40 PM   #1
marcot is offline marcot  Italy
diyAudio Member
 
Join Date: Oct 2009
Smile Do these Philips' CDM4 fit with my NAIM CDI?

Hi everyone:

I've just found the following Philips

1. CDM4/53 9107 AH E- with an aluminum body and a Hall motor.
2. CDM4/52 9420 AH E- with a plastic body and a DC motor.

Since I have a NAIM CDI with a CDM4/22 or 27, do you know if I can replace it (the mech or the pickup only) with the mechs above?

Any idea or suggestion?

Many thanks
Marco
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Old 28th April 2010, 07:59 PM   #2
diyAudio Member
 
Join Date: Jul 2005
Location: East Sussex
Hi.

See This thread:-

Naim CDI Transport replacement?

I have put a CDM4/19 laser arm onto a CDM2/10 mech, no problem at all, just had to also change over the pair of small cast mounting lugs.
There seems to be an amount of commonality between the swing arm mechs.

Regards
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Old 29th April 2010, 03:00 PM   #3
marcot is offline marcot  Italy
diyAudio Member
 
Join Date: Oct 2009
Hi
and thanks for your answer.

Ok for the laser, but what about the motor and the body?????

Any experience?

Marco
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Old 30th April 2010, 10:45 AM   #4
diyAudio Member
 
Join Date: Jul 2005
Location: East Sussex
Hi Marco.
I think your best bet is to look at your mech and check up on the others used in Philips and Marantz machines. There are mostly 2 types of motor (Hall or Brushed) and 2 main types of support plate (Large CDM1 mk2, CDM2 and 4/11 etc and small CDM4/19). No dought there are others though.
All the best.
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Old 5th May 2010, 04:38 AM   #5
diyAudio Member
 
Join Date: Jan 2010
Location: Vietnam
Arrow Meridian CD Transport 207

Hello Jotom750! Can you help me; I have planned to change my meridian CDM2 laser arm assembly with a CDM4 laser arm assembly. Note: Meridian 207 CDM2 Servo PCB I (which one has five connectors on PCB) Is it can swap arms without any electronics modification? I read some information in here:http://bakura.nl/2009/10/06/cdm2-revision/ Mr. Bakura saying needed some modification in electronics, there is a document! I do not know where do I found? You had experience; please give me your advice!
Thanks in advance for your support!
Raj
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