CD player skips

klitgt · 27th April 2005, 03:55 PM

Hi

My Denon DCD3560 suddenly has got a strange behaviour.

It sounds like when a turntable plays scratched vinyls, the sound "jumps to the next groove". The display also jumps from let's say 2minutes 37 secs to 2 min 45 secs.
What may be the reason and is there a DIY repair trick for this?

karma · 27th April 2005, 04:29 PM

it does this on every cd?

klitgt · 27th April 2005, 07:14 PM

It is a very periodic error. The same CD an be played without errors and with, comes like at random.

DanDrums · 27th April 2005, 08:08 PM

Does this only occour near the end of an ablum? It could be that the disc vibrates more at it's edge and the laser is having trouble tracking it. How old is the machine? It might need the lense cleaning or sometimes the laser assembly replacing.

klitgt · 28th April 2005, 10:34 AM

It is at least 8 years old, got it second hand from someone who had not used it for 3 years before I purchased it. I have had it for one year without problems, just started some days ago.
Happens in the first or middle or last tracks, no pattern.
Lens looks clean and shining, no visible dirt or dust.
I think I will let professionals look at it.

soongsc · 29th April 2005, 11:53 AM

Some 3M laser head cleaning CDs might do the trick. It solves most of my situations like that. I normally let it play for about 4 minutes.

klitgt · 30th April 2005, 01:23 PM

Laser head cleaning CD???

Is it brushing the lens or how does such a CD work?

Leolabs · 30th April 2005, 04:16 PM

Looks like some sort of tracking coil problem on the lens,think is time to do some alignment

hanszl2001 · 30th April 2005, 10:24 PM

Clean the rod the laserunit slides on and the worm wheel as well and tip it slightly with silicone grease, it worked for me.

soongsc · 1st May 2005, 02:10 AM

Quote:

Originally posted by klitgt
Laser head cleaning CD???

Is it brushing the lens or how does such a CD work?

Yes! It has some little soft brushes on the playing side. This there are some instructions as the CD plays. The brushes brush the lens as the CD plays particular tracks.

Quote:

Originally posted by Leolabs
Looks like some sort of tracking coil problem on the lens,think is time to do some alignment

How often is alignment required? I have heard about this before but never sent one in. One of my players is starting to skip on older disks.

Quote:

Originally posted by hanszl2001
Clean the rod the laserunit slides on and the worm wheel as well and tip it slightly with silicone grease, it worked for me.

I might give this a try myself.

27th April 2005, 03:55 PM	#1
klitgt diyAudio Member Join Date: Sep 2004 Location: Denmark	CD player skips Hi My Denon DCD3560 suddenly has got a strange behaviour. It sounds like when a turntable plays scratched vinyls, the sound "jumps to the next groove". The display also jumps from let's say 2minutes 37 secs to 2 min 45 secs. What may be the reason and is there a DIY repair trick for this?

27th April 2005, 04:29 PM	#2
karma diyAudio Member Join Date: Feb 2003 Location: hamilton,ontario	it does this on every cd? __________________ http://www.karmaelectronics.info

27th April 2005, 08:08 PM	#4
DanDrums diyAudio Member Join Date: Apr 2005 Location: South Yorkshire	Does this only occour near the end of an ablum? It could be that the disc vibrates more at it's edge and the laser is having trouble tracking it. How old is the machine? It might need the lense cleaning or sometimes the laser assembly replacing. __________________ ...Well I put it all back together again and there was this spring left over and...

29th April 2005, 11:53 AM	#6
soongsc diyAudio Member Join Date: Mar 2005 Location: Taiwan	Some 3M laser head cleaning CDs might do the trick. It solves most of my situations like that. I normally let it play for about 4 minutes. __________________ Hear the real thing!

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27th April 2005, 07:14 PM	#3
klitgt diyAudio Member Join Date: Sep 2004 Location: Denmark	It is a very periodic error. The same CD an be played without errors and with, comes like at random.

28th April 2005, 10:34 AM	#5
klitgt diyAudio Member Join Date: Sep 2004 Location: Denmark	It is at least 8 years old, got it second hand from someone who had not used it for 3 years before I purchased it. I have had it for one year without problems, just started some days ago. Happens in the first or middle or last tracks, no pattern. Lens looks clean and shining, no visible dirt or dust. I think I will let professionals look at it.

30th April 2005, 01:23 PM	#7
klitgt diyAudio Member Join Date: Sep 2004 Location: Denmark	Laser head cleaning CD??? Is it brushing the lens or how does such a CD work?

30th April 2005, 04:16 PM	#8
Leolabs diyAudio Member Join Date: Dec 2004 Location: Bukit Mertajam	Looks like some sort of tracking coil problem on the lens,think is time to do some alignment

30th April 2005, 10:24 PM	#9
hanszl2001 diyAudio Member Join Date: Mar 2005 Location: Netherlands	Clean the rod the laserunit slides on and the worm wheel as well and tip it slightly with silicone grease, it worked for me.

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