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Old 7th February 2011, 07:34 AM   #31
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Join Date: Jul 2005
Location: D-55629 Schwarzerden
Quote:
Originally Posted by Looneytunes View Post
I miss my Cambridge too. Where did you find the display? Looney
buy used Philips CD160
(e. g. ebay item No 190495896543, 280625620724, 270699715517 and 250760774704)
and check this threads:
ʨCDP-301RCD - DIY̳ - йDIY-Hifidiy.net
topic des techniques abandonnes et appareils de lgende [vintage] - Page : 877 - HiFi & Home Cinema - Video & Son - FORUM HardWare.fr
(Post le 17-05-2009 16:59:05)
Help! CONRAD JOHNSON DF1 CDplayer-preamp

Last edited by tiefbassuebertr; 7th February 2011 at 07:41 AM.
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Old 11th February 2011, 12:38 AM   #32
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Thanks!

Looney
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Old 4th February 2012, 06:32 AM   #33
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Quote:
Originally Posted by gdt View Post
I have owned a CD2 from new (in 1988) - bought it in preference to a Denon player which was the same price but didn't have the fluid and musical sound the CD2 had.

I looked at upgrading my CD2 to a Linn player in 1998 but found that it sounded far better than a Linn Genki and a Linn Ikemi - only the Ikemi through the AA DAC sounded better to my ears.

I have just done a repair job on my CD2 which I use with an Audio Alchemy DDE 1.0 DAC (sounded better than the internal CD2 DAC system).

My CD2 suffered from the following faults (in this order) :
1. Display segments stopped working on the NSM4202A displays (after 2 years from new)
2. Audio output buzz (7 years from new)
3. Stopped reading CDs (14 years from new).

Have now addressed the faults:
1. I have located a source of new NSM4202A displays and replaced mine - though the new ones are green, at least they work!
2. Audio output buzz - put a scope on the DC rails and found sawtooth wave - essentially all the PSU electrolytics had failed (some were even being run over their rated voltage). Re-capped the entire main PCB with new electrolytics.
3. Stopped reading disks - found an article that said that CDM 2 and 4 mechanisms fail due to dried out electrolytics - so re-capped the whole servo PCB.

I use a Philips CD160 (NSM4202A display, compatible mechanism, and same chipset as CD2 player) as a 'test harness'.

I still have two dead DAC daughterboards - but at least the player works as a transport again. I plan to repair the DAC board 'offline' using my CD160 test harness, and provide it with upgraded Opamps, capacitors, DAC chips, and a dedicated super-regulated power supply (with totally separate supplies for the DACs and Opamps).

I may also uprate the master clock on the transport section at some stage - however now that I have it working as a transport I may leave it well alone for a while!
gdt, hi, Ive been looking for the NSM4202A everywhere with no results! And I've been reading all over and it seems very hard to buy! Would you please tell me where you bought them? All the places Ive found they sell in large quantities and I need only two to be shipped to Argentina. Any advice would be highly appreciated.

Thanks in advance, Joe.
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Old 19th May 2013, 07:22 AM   #34
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Join Date: Apr 2009
Hi there!

NSM4202 (same as 4002) and NSM4202A are now available here:
Vintage Audio Laser

Tutorials here:
Vintage Audio Laser - A l?atelier... (page 38)
Vintage Audio Laser - A l?atelier... (page 43)

Product information:
VAL / Afficheur NSM4002 - NSM4202A

Each display module is "handmade" and tested.

Hope it can help.
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Old 4th February 2014, 09:22 PM   #35
dacen is offline dacen  Norway
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Join Date: Jul 2006
I just bought two NSM4202A from this company in Bulgaria. LED Indicators Take a look down the middle of the page.
I have changed the display in my Philips CD460 and it works great. These are brand new, never used. $10 each. The page says 6 devices, but as I bought two of them. There should be four left
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Old 16th March 2014, 11:31 AM   #36
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Quote:
Originally Posted by dacen View Post
I just bought two NSM4202A from this company in Bulgaria. LED Indicators Take a look down the middle of the page.
I have changed the display in my Philips CD460 and it works great. These are brand new, never used. $10 each. The page says 6 devices, but as I bought two of them. There should be four left
None left now!!!!


Kevin
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Old 18th March 2014, 12:09 PM   #37
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check out also this thread:
Help! CONRAD JOHNSON DF1 CDplayer-preamp
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