crackling sound CDM 4

Thomas Hage · 4th November 2005, 09:06 PM

I have a problem with my CD player. It is a CDM4/31 type mounted in B&O Beocenter 8000.

It plays perfectly for apporx. 30 minutes. After that the sound distorts and crackling sound occurs.

Does anyboy have an idea wht the problem can be?

Thanks,

Thomas

karma · 4th November 2005, 09:26 PM

run the cd player with the lid off and run it to see if it runs longer.
rule out a ic overheating or failing when it warms up.

voltage regulator?
bad caps?

its a start

hacknet · 5th November 2005, 11:22 AM

i had problems like that with my cdm4 when the lens got dirty. try cleaning it with ipa or something like that...

Thomas Hage · 8th November 2005, 06:27 AM

I have alreay cleaned the lens. It does not make any difference.

Karma: Are there any particular caps and IC's which go bad more often. I'm not an expert on these players, so your help is more then welcome.

Thomas

Shaun · 8th November 2005, 07:06 AM

If the crackling you hear can alternatively be described as distortion, then the likely case is that you need the laser replaced. My Rotel RCD-(something) did something similar. Replacing the laser assembly fixed it.

4th November 2005, 09:06 PM	#1
Thomas Hage diyAudio Member Join Date: Feb 2005 Location: -	crackling sound CDM 4 I have a problem with my CD player. It is a CDM4/31 type mounted in B&O Beocenter 8000. It plays perfectly for apporx. 30 minutes. After that the sound distorts and crackling sound occurs. Does anyboy have an idea wht the problem can be? Thanks, Thomas

8th November 2005, 07:06 AM	#5
Shaun diyAudio Member Join Date: Aug 2001 Location: Cape Town, South Africa	Perhaps it needs replacing If the crackling you hear can alternatively be described as distortion, then the likely case is that you need the laser replaced. My Rotel RCD-(something) did something similar. Replacing the laser assembly fixed it. __________________ Shaun Onverwacht \|\|\|\|\|\|\|\|\|\| DON'T PANIC \|\|\|\|\|\|\|\|\|\|

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4th November 2005, 09:26 PM	#2
karma diyAudio Member Join Date: Feb 2003 Location: hamilton,ontario	run the cd player with the lid off and run it to see if it runs longer. rule out a ic overheating or failing when it warms up. voltage regulator? bad caps? its a start

5th November 2005, 11:22 AM	#3
hacknet diyAudio Member Join Date: Nov 2002 Location: sg	i had problems like that with my cdm4 when the lens got dirty. try cleaning it with ipa or something like that...

8th November 2005, 06:27 AM	#4
Thomas Hage diyAudio Member Join Date: Feb 2005 Location: -	I have alreay cleaned the lens. It does not make any difference. Karma: Are there any particular caps and IC's which go bad more often. I'm not an expert on these players, so your help is more then welcome. Thomas

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