CD63 KI won't read disks - diyAudio
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Old 27th April 2004, 10:58 PM   #1
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Default CD63 KI won't read disks

Help please!

Hi all,

I recently purchased a Marantz CD-63mkII KI which was known to be skipping tracks. Overall it looks in excellent condition with very little dust. When I tried it, it read the album data no problem, but skipped badly when playing, especially on early tracks. It would also freeze sometimes before skipping on. I tried cleaning the lens with a disk (no change) then a cotton bud but this made it far worse, hardly playing at all. After more messing it wouldn't even recognise the disk. I then spotted a small sliver of metal on the cotton bud tip. Using the manual I found on a forum (thanx ALW) I drove the laser out to find metal missing from what I guess is some kind of disk detector next to the laser. I removed the damaged fragments and took the enclosed photo.
In service mode I can see the laser, it moves for focus but doesn't settle (should it?) and spindle and radial seem to work OK. When I open / close the draw the disk does not rotate but I hear the laser clicking under the disk a couple of times before getting Err 02 (FOCUS err). Occasionally the disk will rotate and I then get Err 10 (RADIAL Err).
What do I need to replace? What is this bit anyway and what does it do? I see one option is to replace the whole tray mechanism for about 30GBP, but would it be better just to replace the laser?
All help / advice much appreciated (so long as it is not too conflicting......)

Many thanks

Simon
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File Type: jpg cd63 laser2.jpg (74.5 KB, 727 views)
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Old 6th May 2004, 09:18 AM   #2
Sarion is offline Sarion  Netherlands
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Hi Simon,

I have just bought a CD 67 mk2 OSE, which (I`m told) has exactly the same problems: it skips, or doesn`t read the disk, or stops in the disc. And the error it shows is "Err 10 - radial error".

Did you get any further?

A week from now, I`ll have the player in my posession, and we`ll be able to help each other!

Who has any tips for us? Is it a laser problem, should we replace the CDM12?

Kind regards,

Berend
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Old 6th May 2004, 09:40 AM   #3
Sarion is offline Sarion  Netherlands
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By the way, does your player use the CDM12.1? The cheapest unit I could find is on http://www.grandata.co.uk/ but I`m not sure my 67mkii ose uses this one. Maybe it uses the 12.3.
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Old 6th May 2004, 10:22 AM   #4
djQUAN is offline djQUAN  Philippines
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the black thing is the magnet. and you can see some fragment seems to be caught between the magnet and the right coil......

try removing it and see what happens.........
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Old 7th May 2004, 02:46 PM   #5
cm is offline cm  Singapore
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Most of the time the easiest way is to replace the CDM12.1 Newer modesl such as the VAM 1201 and VAM 1202 are better in lazer life. All my CD and VCD players with the 12.1 dies within a year or two. Replacing the mechanism is a routine for me. It cost about US$10 in the shops in Singapore.
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Old 7th May 2004, 02:52 PM   #6
Sarion is offline Sarion  Netherlands
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Quote:
Originally posted by cm
Most of the time the easiest way is to replace the CDM12.1 Newer modesl such as the VAM 1201 and VAM 1202 are better in lazer life. All my CD and VCD players with the 12.1 dies within a year or two. Replacing the mechanism is a routine for me. It cost about US$10 in the shops in Singapore.
Thanks for the advice!

Can anyone confirm the type of CDM12 used in the CD 67 Mk2 OSE? I read somewhere that it was a 12.3 (http://www.webmedia.pl/maciejza/zaplecze/cedeki.htm).

If it is a 12.3, can I take out the 12.3 and put in a 12.1?

Best regards,

Berend
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Old 7th May 2004, 03:25 PM   #7
cm is offline cm  Singapore
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Here's how to replace the 12.1

http://www.diyparadise.com/cd46/cd46repair.html
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Old 9th May 2004, 10:17 PM   #8
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Sorted!

Thanks for the advice djQUAN. I stripped the unit down and managed to get most of the fragments out and it now works great.

I found some really good instructions on removing the laser unit:

http://iangclark.net/projects/CD63/CD63.html


Berend,

Ref your query on the laser units it's as clear as mud! The quoted unit for my CD63-KI varies from CDM12.1 to 12.3, but actually fitted was a VAM1201 which is just a more up to date replacement as cm states. Compare the laser unit and connections of your '67 when you get it with the pics on the above site, and if it looks the same I suggest you get a VAM1201 if you need it.

The best source I've found for this is:-

http://www.dalbani.co.uk/catalogue/optical_pickups.php

If you're not sure, give them a call for advice. E-mail me if you want more details of exactly what was wrong with my CD player and how I fixed it.

Good Luck and thanks all,
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Old 11th May 2004, 07:34 PM   #9
Sarion is offline Sarion  Netherlands
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Quote:
Originally posted by simon_hsmith
Berend,

Ref your query on the laser units it's as clear as mud! The quoted unit for my CD63-KI varies from CDM12.1 to 12.3, but actually fitted was a VAM1201 which is just a more up to date replacement as cm states. Compare the laser unit and connections of your '67 when you get it with the pics on the above site, and if it looks the same I suggest you get a VAM1201 if you need it.
Thanks, Simon! Actually I`ve now found out that the laser is in fact a CDM12.1/15. Now the $64.000 question (well more precisely about 13 ;-)):

Should I buy a VAM1201 or a VAM1202? Due to the laser-life tip (thanks cm) I`ve scratched the cdm12.1 from the list. The VAM1202 costs 13+pp at Dalbani, the VAM1201 I can get in Holland for 16. Which is better?

Best regards,

Berend
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Old 12th May 2004, 07:08 AM   #10
cm is offline cm  Singapore
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I believe VAM1201 is single speed and VAM1202 is double speed. For music CD application, it does not matter as they are single speed anyway. In Singapore, VAM 1202 is the only one they sell. No brand generic parts are S$15, and Philips original are S$18 each. I have used VAM1202 in place of my CDM12.1 and it works.

CM
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