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Laser for my Linn Karik
Laser for my Linn Karik
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Old 9th February 2010, 11:04 AM   #11
GATKINS is offline GATKINS  United Kingdom
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Location: Worcestershire
Quote:
Originally Posted by tiefbassuebertr View Post
the link don't goes open. I think you mean this:
Gerner Electronics (Navigation instruction: Übersicht - HiFi - Linn)

follow Linn Karik devices I find about ebay - item numbers:
120523793903 (570 euros)
200433723142 (566 euros)
120522698660 (599 euros)
180458335921 (300 euros)
Here in Germany the costs for Linn Karik in new condition was more than 2.000 Euro arround 1995
I bought my Karik in the autumn of 1993. At that time it cost £1500
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Old 9th February 2010, 12:35 PM   #12
GATKINS is offline GATKINS  United Kingdom
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Quote:
Originally Posted by tiefbassuebertr View Post
The HOP-M3A is compatible only electrical to the HOP-M3. But the connectors uses other place - have a look at the photos of both versions on my website - "CDP-Service"
A. Kirschner, individuelle Basslautsprechersysteme
Perhaps it is also possible to install, but I cannot say exactly, because I have it never tested.
If your Motor from Matsushita instead from Mabuchi (check the logo on your motor housing), your observed failure is typical. If the Motor from Donberg's mechanism comes also from Matsushita, don't order it (call and ask the motor brand before ordering). Mabuchi disc motors are not the best choice, but much more better regarded reliability and life time than this one from Matsushita.
If you find a mechanism with Mabuchi Motor, you can order this and exchange the optical pickup with your currently version, if there by the new device the other connector outline.
If you don't find this, the unpleasant work describted about post #3 must be carried out. If you don't find technicians, that can do this, you can mail me (and then perhaps send me your loader for motor exchange).
In this case I started this thread:
http://www.diyaudio.com/forums/digit...ce-wanted.html
The mentioned unpleasant work would be a little more easy, if I have a suitable turntable with set screw for exactly height adjustment instead the old "one-way" version for pressing.

P.S. I have heard, Linn Karik was in use 79.000 h by the sound systems of "Queen Elizabeth II" - to read only in German about
Stammtisch für HiFi- und Musik-Freunde | Druckvorschau: LINN–KARIK Heimkehr nach 79.000 Stunden auf See | Seite 1
I cannot believe this, if a Matsushita disc motor inside
Thank you for information. The laser block is still working so I was thinking of transplanting the M3 laser onto a new M3A mechanism if possible. I will find out which motor has failed and what make the Donberg mechanism uses. I have the tools and experience to do the work myself but I will post further details about how I get on with it.
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Old 10th February 2010, 12:37 PM   #13
tiefbassuebertr is offline tiefbassuebertr  Germany
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Location: D-55629 Schwarzerden
a little "off topic" question: have you an idea, where I can get a schematic from the Harrison Power Amplifier "K-4000" ??
I have start therefore this thread, where you can read more:
http://www.diyaudio.com/forums/solid...000w-4ohm.html
If yes, post it there:
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Old 12th February 2010, 12:52 AM   #14
GATKINS is offline GATKINS  United Kingdom
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Location: Worcestershire
I have looked at the drive again. Just to recap, the Karik had played a CD. It was left powered up overnight. The next day the room smelled strongly of something overheating or burned, and this was from the Karik somewhere near the transport and PSU. This is a Karik II with linear (Pre Brilliant) supply. I thought the turntable motor had failed however after more investigation it still works BUT....Load a CD into the tray and press either CLOSE or PLAY. The tray closes and the disc is clamped. The disc briefly rotates clockwise (Viewed on the label side) to try and read the TOC of the disc, but then slows and starts to rotate anti-clockwise at very high speed for a few seconds before coming slowly to rest. After this the only thing that works is the OPEN command, PLAY has no effect. I have measured the voltages on the 3 regulators and they are near enough +15V (U1), +5V (U3) and +9V (U4) which I am assuming is correct.
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Old 3rd March 2018, 12:29 PM   #15
tiefbassuebertr is offline tiefbassuebertr  Germany
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some information concerning cd player models with similar mechanism and servo parts you will find on my (no longer exist) website from Feb 2007 (eleven years ago):
A. Kirschner, individuelle Basslautsprechersysteme
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Old 8th November 2018, 12:24 AM   #16
kkwan18 is offline kkwan18  Wales
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need to replace these 2 caps, might had caused the problem.
IMG_20180528_130431.jpg - Google Drive
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Old 8th November 2018, 05:55 PM   #17
poynton is offline poynton  United Kingdom
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Quote:
Originally Posted by kkwan18 View Post
need to replace these 2 caps, might had caused the problem.
IMG_20180528_130431.jpg - Google Drive
try posting the photo as an attachment.

How to attach images to your posts.


thanks
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If it ain't broke, break it !! Then fix it again. It's called DIY !

Last edited by poynton; 8th November 2018 at 05:57 PM.
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