"No Disc" message

Bert72 · 6th December 2005, 02:18 PM

Hi,

I am very new to all of this so forgive me ignorance. I have had a search on the site but can't find what I need (or think I need), perhaps you can help.

I have a Cambridge Audio CD4 Special Edition. Recently it has been occasionally displaying a "No Disc" message and only recognising some discs. No it will not recognise anything.

I have been told that I might need to adjust something to allow it to play again but I don’t know what or where. Can anyone provide me with help?

Thanks.

jives11 · 7th December 2005, 06:50 AM

Hi bert72, I cannot help with your error, but I'd probably make the thread title less generic. You will find that then designer of the CD4SE contributes to this forum. I'd add the player model to the thread title to catch the eye

good luck

Bert72 · 7th December 2005, 08:11 AM

Ok, I will do, thanks for the Tip.

gmphadte · 7th December 2005, 08:40 AM

Such problems occur when the laser assy needs replacement.

kexik · 7th December 2005, 07:04 PM

that's it. dead laser unit.

JohnW · 8th December 2005, 11:05 AM

Hi Bert72,

Yes it sounds like your Lasers gone (CDM12.1) - the CD4SE is based upon Philips CD7 Digital Servo Chipset - there’s no adjustment, only laser power calibration on the Laser head itself - but from the systems you described - this will not help.

John

Bert72 · 8th December 2005, 02:21 PM

Thanks for all your help so far!

Is it easy / cost effective to replace the laser?

If so where could i buy one?

JohnW · 8th December 2005, 02:43 PM

Bert,

The CD4SE is a very good machine - so it’s well worth sending say £50 to £100 to have the Laser replaced - you will not get a better machine for the price.

If you can replace yourself - then a Philips CDM12.1 should cost you no more then say £25 - and remember there is no alignment required after replacing the Laser, as this is handled automatically by the Philips CD7 servo Chipset.

You will have to search for suppliers of replacement CDM12.1

John

sreten · 8th December 2005, 04:58 PM

I had my CD4SE CD drive changed because of persistent skipping.

Cost £50 (I seem to remember) through Richer Sounds.

/sreten.

6th December 2005, 02:18 PM	#1
Bert72 diyAudio Member Join Date: Dec 2005	"No Disc" message Hi, I am very new to all of this so forgive me ignorance. I have had a search on the site but can't find what I need (or think I need), perhaps you can help. I have a Cambridge Audio CD4 Special Edition. Recently it has been occasionally displaying a "No Disc" message and only recognising some discs. No it will not recognise anything. I have been told that I might need to adjust something to allow it to play again but I don’t know what or where. Can anyone provide me with help? Thanks.

8th December 2005, 11:05 AM	#6
JohnW diyAudio Member Join Date: Jan 2004 Location: Discovery Bay, Prague, Paris...	Hi Bert72, Yes it sounds like your Lasers gone (CDM12.1) - the CD4SE is based upon Philips CD7 Digital Servo Chipset - there’s no adjustment, only laser power calibration on the Laser head itself - but from the systems you described - this will not help. John __________________ Life shouldn’t be take it too seriously, you will not come out alive anyway…

8th December 2005, 02:43 PM	#8
JohnW diyAudio Member Join Date: Jan 2004 Location: Discovery Bay, Prague, Paris...	Bert, The CD4SE is a very good machine - so it’s well worth sending say £50 to £100 to have the Laser replaced - you will not get a better machine for the price. If you can replace yourself - then a Philips CDM12.1 should cost you no more then say £25 - and remember there is no alignment required after replacing the Laser, as this is handled automatically by the Philips CD7 servo Chipset. You will have to search for suppliers of replacement CDM12.1 John __________________ Life shouldn’t be take it too seriously, you will not come out alive anyway…

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7th December 2005, 06:50 AM	#2
jives11 diyAudio Member Join Date: Mar 2004 Location: Hampshire	Hi bert72, I cannot help with your error, but I'd probably make the thread title less generic. You will find that then designer of the CD4SE contributes to this forum. I'd add the player model to the thread title to catch the eye good luck

7th December 2005, 08:11 AM	#3
Bert72 diyAudio Member Join Date: Dec 2005	Ok, I will do, thanks for the Tip.

7th December 2005, 08:40 AM	#4
gmphadte diyAudio Member Join Date: Jul 2003 Location: Dona paula, Goa	Such problems occur when the laser assy needs replacement.

7th December 2005, 07:04 PM	#5
kexik diyAudio Member Join Date: Nov 2005 Location: Grenoble, France	that's it. dead laser unit.

8th December 2005, 02:21 PM	#7
Bert72 diyAudio Member Join Date: Dec 2005	Thanks for all your help so far! Is it easy / cost effective to replace the laser? If so where could i buy one?

8th December 2005, 04:58 PM	#9
sreten diyAudio Member Join Date: Nov 2003 Location: Brighton UK	I had my CD4SE CD drive changed because of persistent skipping. Cost £50 (I seem to remember) through Richer Sounds. /sreten.

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