CD63 won't read

harrygrey382 · 7th June 2007, 11:40 AM

I just replaced the laser in my CD63 because it was sometimes skipping. It cured the problem.
But now (a couple of months after the change) it won't read some disks. But will play others fine. It will read a CD-R, scratched old one. But not a new one. Examlpes these not a general pattern.
Does anyone have any ideas as to where I could start tracking down the fault?

Sonusthree · 7th June 2007, 12:20 PM

I've had many problems (in other players) with the same VAM transports. It's almost as if the new (VAM) replacements are a bit unreliable.

Hopefully There will be Marantz experts around here that may know information more relevant to your player.

harrygrey382 · 7th June 2007, 04:15 PM

OK I've just tried again (few hours break) the problem cds again. They work, although one of them after a few times of turning on and off. Sounds fine when they play. Is this a known fault?

Simon Chee · 9th June 2007, 03:10 AM

Hi,
Maybe clean laser lens with de-natured alcohol or adjust trimmer resister at laser pcb to slightly increase power supply to enhanced reading. Usually it works. Good Luck.

poynton · 9th June 2007, 06:08 AM

Quote:

Originally posted by harrygrey382

Does anyone have any ideas as to where I could start tracking down the fault?

Hi.

Do NOT adjust the laser power !!!!

See the infamous CD63/67 thread :-

Marantz CD63 & CD67 mods list

Good luck

Andy

7th June 2007, 11:40 AM	#1
harrygrey382 diyAudio Member Join Date: Jun 2006	CD63 won't read I just replaced the laser in my CD63 because it was sometimes skipping. It cured the problem. But now (a couple of months after the change) it won't read some disks. But will play others fine. It will read a CD-R, scratched old one. But not a new one. Examlpes these not a general pattern. Does anyone have any ideas as to where I could start tracking down the fault?

9th June 2007, 03:10 AM	#4
Simon Chee diyAudio Member Join Date: Dec 2006	New CD63 laser won't read? Hi, Maybe clean laser lens with de-natured alcohol or adjust trimmer resister at laser pcb to slightly increase power supply to enhanced reading. Usually it works. Good Luck.

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7th June 2007, 12:20 PM	#2
Sonusthree diyAudio Member Join Date: Dec 2005 Location: Brighton,UK	I've had many problems (in other players) with the same VAM transports. It's almost as if the new (VAM) replacements are a bit unreliable. Hopefully There will be Marantz experts around here that may know information more relevant to your player.

7th June 2007, 04:15 PM	#3
harrygrey382 diyAudio Member Join Date: Jun 2006	OK I've just tried again (few hours break) the problem cds again. They work, although one of them after a few times of turning on and off. Sounds fine when they play. Is this a known fault?

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