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Old 6th July 2008, 11:47 PM   #10421
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Hi! I'm new on this forum and I have a question concerning the cd 43/CD53.
What can I do to delete the mechanical noise(like fffffffff) when the CD is rotating ? Because when listening at low level, I can ear my cd rotate ! I have the same pb on my 2 player (cd 43 and 53).
Thanks in advance for your answer.
Best regards
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Old 7th July 2008, 01:37 AM   #10422
magilla is offline magilla  Belgium
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Default Is my C1 dead?

When reassembling my machine I must have pulled out the ground wire from my C1, have since reattached it and the player will not spin a disk. There is 0V across the + and GRND on the C1, however when the wires are disconnected from the clock board, they have a healthy 4.98.
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Old 7th July 2008, 06:51 PM   #10423
avr300 is offline avr300  Denmark
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Quote:
Originally posted by philpaul
Hi! I'm new on this forum and I have a question concerning the cd 43/CD53.
What can I do to delete the mechanical noise(like fffffffff) when the CD is rotating ? Because when listening at low level, I can ear my cd rotate ! I have the same pb on my 2 player (cd 43 and 53).
Thanks in advance for your answer.
Best regards
Hi philpaul

http://www.diyaudio.com/forums/showt...11#post1443911
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Old 7th July 2008, 08:06 PM   #10424
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Thanks AVR300 for the advice. Can you tell me where have you buy your 'non-Chinese made VAM1201' and what is the price?
If I understand well, after replacement, improvements where:
- no more mechanical noise
- no more skip when reading cd-r

something else?

Best regards
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Old 7th July 2008, 08:21 PM   #10425
SimontY is offline SimontY  United Kingdom
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I thought mine sounded better with a new laser too, but it wasn't 100% so that's no surprise.

Simon
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Old 7th July 2008, 08:37 PM   #10426
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Quote:
Originally posted by philpaul
Hi! I'm new on this forum and I have a question concerning the cd 43/CD53.
What can I do to delete the mechanical noise(like fffffffff) when the CD is rotating ? Because when listening at low level, I can ear my cd rotate ! I have the same pb on my 2 player (cd 43 and 53).
Thanks in advance for your answer.
Best regards

Mine has such noise because the plastic holding the clamp was bent down.
I've pulled it up trongly several times and it's dead silent now !
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QED T260, Thorens TD-318, Marantz CD-43, TK2050, JBL 4313B & MJK's OB: music!
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Old 7th July 2008, 09:05 PM   #10427
avr300 is offline avr300  Denmark
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I got mine from a local distributor. As a matte of fact, I got the very last 2 units (3 if you count in the first one). It can't be ordered as a original VAM anymore - at least not in Denmark.

Here you can see the difference between the original CDM12.1 (left) and the first VAM. Look at the color of the PCB.

The next two VAM's has a similar color to the 12.1. They were specified to be a spare part for a Grundig CD.

I suspect the first one to be cheap East - it was specified to be a part for a Philips CD. It lasted for 3 days, then it became even mere noisy than the 12.1.

When I get the time, I'll try to gently oil the driveshaft, a drop of oil could cure the noise.

Benefits? The noise stopped and the new laser will do CD-R's.
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Old 7th July 2008, 09:52 PM   #10428
SimontY is offline SimontY  United Kingdom
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Hmm, whilst my player's down I might as well sort out the new clock psus.

And just look at these lovely things...

Simon
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Old 7th July 2008, 09:57 PM   #10429
SimontY is offline SimontY  United Kingdom
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HEXFRED diodes, 2 x 9V @ 369mA toroid, 4700uF/40V BHC cap. And I've decided to put them on one of these lovely new Sercal boards, which saves me thinking too hard about wiring the diode bridge up. It's also smaller than my efforts with veroboard turned out.

There'll be two of these, one for each clock.

I know I could be accused of selling my buddy's company here, but these boards are a dream to solder to. This is one thing I can't lift pads from!

Simon
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Old 7th July 2008, 10:18 PM   #10430
Glenn2 is offline Glenn2  United Kingdom
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Simon, are you keeping Brent's business afloat single-handed?

Great to see you guys are still at it.
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