one-way CD skipping

yuvalpianist · 8th March 2009, 08:04 AM

I got a used non-working Rega Planet 2000 CD player. After replacing the laser pick-up (KSS-213b), I got it to work and it sounds fantastic.
The only problem is that every so often it skips about 20-30 seconds BACK. I tried applying some silicon lubrication since I knew that it hadn't been in use for a few years, but it did not help.
Another observation is that when skipping to other tracks, skipping forward goes usually very quickly, while skipping to an earlier track takes very long time. Going back from track 10 to 3, for example, would often result in a very long search. HOwever, if I press "back" once more so it's looking for track 2 and then "forward", it usulaly finds track 3 pretty quickly.
Any ideas?
Thanks!
Yuval

Mooly · 9th March 2009, 07:37 AM

Disconnect the sled motor and power it up from a variable supply. Make sure the pickup moves slowly and freely each way.
Electrical alignment ? You need to look at the RF on a scope as a first step ! and take it from there. If there are adjustments for focus bias and EF balance these are critical.

8th March 2009, 08:04 AM	#1
yuvalpianist diyAudio Member Join Date: Mar 2009	one-way CD skipping I got a used non-working Rega Planet 2000 CD player. After replacing the laser pick-up (KSS-213b), I got it to work and it sounds fantastic. The only problem is that every so often it skips about 20-30 seconds BACK. I tried applying some silicon lubrication since I knew that it hadn't been in use for a few years, but it did not help. Another observation is that when skipping to other tracks, skipping forward goes usually very quickly, while skipping to an earlier track takes very long time. Going back from track 10 to 3, for example, would often result in a very long search. HOwever, if I press "back" once more so it's looking for track 2 and then "forward", it usulaly finds track 3 pretty quickly. Any ideas? Thanks! Yuval

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9th March 2009, 07:37 AM	#2
Mooly diyAudio Member Join Date: Sep 2007	Disconnect the sled motor and power it up from a variable supply. Make sure the pickup moves slowly and freely each way. Electrical alignment ? You need to look at the RF on a scope as a first step ! and take it from there. If there are adjustments for focus bias and EF balance these are critical.

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