Arcam CD72 stopped playing some CD-R - diyAudio
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Old 7th October 2009, 09:31 PM   #1
gg41r is offline gg41r  Scotland
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Default Arcam CD72 stopped playing some CD-R

Hi there. As the title suggests, my Arcam CD72 has stopped playing some CD-Rs. It was playing them fine until today...now when i put them in, its like the player isnt picking the discs up. Its not all Cd-r that it doesnt recognise. I took it apart and gave the laser lens a wee wash with cleaning fluid and a cotton bud, hoping that would do the trick, but had no joy!

Anyone got a clue as to what may be the problem? Any help gratefully received!
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Old 8th October 2009, 09:54 PM   #2
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If it's not recognizing some of them it's probably a weak laser. I think that has a Sony 213C laser, really inexpensive and easy to replace.
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Old 9th October 2009, 11:31 AM   #3
gg41r is offline gg41r  Scotland
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thanx for your reply Bill. It was playing CD-R no problem, until two days ago. it wasnt even a case of a slow deteriation, just happened overnight without warning.
Is there any way to tell if it is what you think it maybe, without going to the bother of changing the laser? Or would you just go ahead and do that?
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Old 9th October 2009, 12:10 PM   #4
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Well, I know that there are no adjustments that can be made. Another cause could be the tracking mechanism but if commercial CDs play correctly I would assume it to be the strength of the beam reflecting off of the CDRs vs the commercial ones. They have slightly different characteristics. You might try to clean a CDR that is problematic with lense cleaner, if it improves then it is almost certain the laser is at fault. Without a scope and a little practice there is no way to reach any other conclusion. The entire mechanism can be purchased for $20 US and it is not a difficult process to replace it. In my Rotel the only thing to be careful about is getting the suspension springs back in their correct location as the four springs are not identical. Pay close attention when you disassemble it, and make a drawing to place the unit on, keeping your parts sorted on the drawing.
I hope this helps.
Best, Bill
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Old 9th October 2009, 03:14 PM   #5
gg41r is offline gg41r  Scotland
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Hi again Bill.....when you say its an easy fix...would that include for someone with very limited knowledge of this sort of thing?
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Old 10th October 2009, 01:53 PM   #6
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Well, it's mostly mechanical with one little solder blob to remove, and one ribbon cable to remove and reinstall along with whatever cabling you need to disconnect to remove the assembly from the player. Just a little mechanical ability and soldering skills with close attention to detail.
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Old 10th October 2009, 04:19 PM   #7
jaycee is offline jaycee  United Kingdom
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Limited knowlege - no, there is intricate disassembly of the laser from the sled to be done, and the laser module is very static sensitive. I would recommend you entrust this to a specialist.

Generally, inability to read CD-R is a sign of impending laser failure. They are harder to track than pressed discs, so when the laser starts to go, they are the first thing to have trouble. Luckily the replacement parts are cheap.
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Old 10th October 2009, 06:46 PM   #8
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There is no intricate assembly to deal with, the entire assembly is replaced on a KSS213.
Only 20 bucks US. Google it or search Ebay, they are everywhere, I just bought two.
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Old 13th October 2009, 06:18 AM   #9
Mooly is offline Mooly  United Kingdom
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Worth trying I guess at the price. Available here from stock,
Your Search Results | CPC

Make sure you get the correct suffix letter. Doesn't matter over the make etc.
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Old 13th October 2009, 11:32 AM   #10
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Search for KSM213c for the whole assy. That gets you a new spindle motor too.
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