Krell KAV300 CD Player - read fail

gilid · 22nd February 2011, 03:59 PM

My Krell KAV300 CD player sometimes has trouble reading a disc. It has the TEAC VRDS CMK-4 transport mechanism. I suspect that it may be a weak laser diode.

Does anyone have any experience with this transport mechanism? Is it feasible to replace the laser diode, and will it need re-alignment?

Any help would be much appreciated.

georgehifi · 22nd February 2011, 08:08 PM

Could be a number of things, the transport mechanisms are notorious for the gears going brittle with the age they are now and stripping them, the laser diode cannot be replaced by it self, as for the laser assembly they also are getting hard to find original NOS ones.

Cheers George

tiefbassuebertr · 5th December 2011, 01:03 PM

Quote:

Originally Posted by georgehifi

Could be a number of things, the transport mechanisms are notorious for the gears going brittle with the age they are now and stripping them, the laser diode cannot be replaced by it self, as for the laser assembly they also are getting hard to find original NOS ones.

Cheers George

check out this URL
cd-rom disc with KRELL FPB-300 & 600 , KAV-300i schematics for service repair | eBay

22nd February 2011, 03:59 PM	#1
gilid diyAudio Member Join Date: Jan 2002 Location: France	Krell KAV300 CD Player - read fail My Krell KAV300 CD player sometimes has trouble reading a disc. It has the TEAC VRDS CMK-4 transport mechanism. I suspect that it may be a weak laser diode. Does anyone have any experience with this transport mechanism? Is it feasible to replace the laser diode, and will it need re-alignment? Any help would be much appreciated.

22nd February 2011, 08:08 PM	#2
georgehifi diyAudio Member Join Date: Sep 2003 Location: Manly Australia (Jewel of the Pacific)	Could be a number of things, the transport mechanisms are notorious for the gears going brittle with the age they are now and stripping them, the laser diode cannot be replaced by it self, as for the laser assembly they also are getting hard to find original NOS ones. Cheers George __________________ Avatar : Production Lightspeed Attenuator www.lightspeedattenuator.com

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