Help! Yamaha CDX-993 problem. - Page 2

mat_cauthon · 8th February 2005, 09:12 AM

Thank you very much!

I looked in the service manual and under "Mechanical Parts - CD Mechanism Unit) ist simply says "CD Mech Unit: MGCB30" and "Pick Up: KCP1H".
I did not found anything about a Sony Laser Unit.
But I´ll try to get one (or two) as fast as possible, just to have it here. And then I´ll have the Player´s Laser checked (and maybe change the OP-Amps).
I don´t want the same thing happen to this one as it did to my CDX 1100. It´s Laser is completely done and a new one out of sight.

So, again: Thanks!

Nils

DragonMaster · 1st March 2005, 01:25 PM

Quote:

I don´t want the same thing happen to this one as it did to my CDX 1100. It´s Laser is completely done and a new one out of sight.

To find the model, don't look in the service manual, look on the pickup, there's always(With Sony KSS) a white sticker with the model clearly marked in black.

Also, I have a Sony CDP-XE300 that has the exact same skipping, fast forwarding problem.

In my case, since I have 3 Sony CDP and I use only 2, I swapped the drive(Using KSS210) from a model with a crappier UI and condition.

Someone could tell me if changing the pickup turns successful, what else, I'll have to try to change the motor and regulator, since the CD is easy to stop spinning with your finger when it starts working bad.

A very good supplier in US & Canada only unfortunately, studio sound electronics, has both the KSS210 and KSS213.

spongebob-2005 · 28th December 2005, 03:15 PM

Hi,

had the same problem with a Yamaha CDX-920. Maybe it helps you. In the inside there are two resistors which can be adjusted. One for track and the other - I don´t know.
Take a screwdriver and try to adjust them. It took me about 3 hours, but now the player works again. I alway did it a little step when the unit was turned off.
But be careful and mark the resistors before turning them!

- Boris (spongebob-2005)

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8th February 2005, 09:12 AM	#11
mat_cauthon diyAudio Member Join Date: Feb 2005 Location: Hannover	Thank you very much! I looked in the service manual and under "Mechanical Parts - CD Mechanism Unit) ist simply says "CD Mech Unit: MGCB30" and "Pick Up: KCP1H". I did not found anything about a Sony Laser Unit. But I´ll try to get one (or two) as fast as possible, just to have it here. And then I´ll have the Player´s Laser checked (and maybe change the OP-Amps). I don´t want the same thing happen to this one as it did to my CDX 1100. It´s Laser is completely done and a new one out of sight. So, again: Thanks! Nils

28th December 2005, 03:15 PM	#13
spongebob-2005 diyAudio Member Join Date: Oct 2005	Hi, had the same problem with a Yamaha CDX-920. Maybe it helps you. In the inside there are two resistors which can be adjusted. One for track and the other - I don´t know. Take a screwdriver and try to adjust them. It took me about 3 hours, but now the player works again. I alway did it a little step when the unit was turned off. But be careful and mark the resistors before turning them! - Boris (spongebob-2005)

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