Problems with Yamaha CDX-1100

bekim · 12th November 2009, 11:11 PM

Hi

I have installed new laser pickup on this player and it works but, when cd is inserted inside it takes more time than with previous laser to start playing, and when song is skipped starts somewhere in the middle of the song or 30-40 seconds of the song and continues from there..
Anyone experienced with this player and what should I do? It seems like I need to fix the focus or tracking.. Any kind of help is appreciated.

thanks
bekim

monostereo · 2nd November 2010, 09:53 PM

I've got the same problem...

stephensank · 3rd November 2010, 03:12 AM

Refer to my posts on cd alignments:
CD Alignments

Further, it is fairly likely that you will also need to replace the platter motor(and most likely the problem all along). Yamaha used more or less the same platter motor from the CD-X1 all the way through the CDX-1100, and a nearly the same motor for several more years. These were brush motors that were EXTREMELY prone to failure. On the models that used a pressure disc clamp(which means all but the CDX-1100/1110/5000/10000), you can tell a bad spindle motor immediately by simply touching a finger lightly on the disc clamper while a cd is playing. You'd feel a slight bumping with each revolution. With the magnetic clamper, you can't really do that test, so you have to go by behaviour. Yours sounds like a pretty classic bad platter motor.

monostereo · 5th November 2010, 09:46 PM

can you help me please find another platter motor ?
thank you !

monostereo · 5th November 2010, 09:56 PM

ah, and one more thing to ask you...
it is possible to use this cd-player as a DAC, using another cd-player as transport...?

stephensank · 6th November 2010, 02:59 AM

It's been years since I was a Yamaha warranty servicer, and have no idea what their parts ordering is like these days. I do remember now that the platter motor is Yamaha part number VE403100(pretty darn sure, otherwise it wouldn't have popped into my brain so specifically). Also, the early Pioneer cd changers, like the PD-M6, PD-M70, with that first generation mech, used exactly the same motor with a different part number, so you may be able to get it from Pioneer if Yamaha is unhelpful. Used to order those darn motors a dozen at a time.

As for conversion to dac use, it would require a considerable technical effort. You would have to add an input receiver circuit, such as a CS8412 or CS8414, and tap it into the various clock & data lines, and then make it cooperate with the existing control & mute circuits. A daunting project for a not spectacular result. The PCM56 dac's can sound lovely, but it takes a lot of work improving the supplies & output stages to get them there.

12th November 2009, 11:11 PM	#1
bekim diyAudio Member Join Date: Jul 2004 Location: Prishtina, Kosova	Problems with Yamaha CDX-1100 Hi I have installed new laser pickup on this player and it works but, when cd is inserted inside it takes more time than with previous laser to start playing, and when song is skipped starts somewhere in the middle of the song or 30-40 seconds of the song and continues from there.. Anyone experienced with this player and what should I do? It seems like I need to fix the focus or tracking.. Any kind of help is appreciated. thanks bekim

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2nd November 2010, 09:53 PM	#2
monostereo diyAudio Member Join Date: May 2010	I've got the same problem...

3rd November 2010, 03:12 AM	#3
stephensank diyAudio Member Join Date: Oct 2006	Refer to my posts on cd alignments: CD Alignments Further, it is fairly likely that you will also need to replace the platter motor(and most likely the problem all along). Yamaha used more or less the same platter motor from the CD-X1 all the way through the CDX-1100, and a nearly the same motor for several more years. These were brush motors that were EXTREMELY prone to failure. On the models that used a pressure disc clamp(which means all but the CDX-1100/1110/5000/10000), you can tell a bad spindle motor immediately by simply touching a finger lightly on the disc clamper while a cd is playing. You'd feel a slight bumping with each revolution. With the magnetic clamper, you can't really do that test, so you have to go by behaviour. Yours sounds like a pretty classic bad platter motor.

5th November 2010, 09:46 PM	#4
monostereo diyAudio Member Join Date: May 2010	can you help me please find another platter motor ? thank you !

5th November 2010, 09:56 PM	#5
monostereo diyAudio Member Join Date: May 2010	ah, and one more thing to ask you... it is possible to use this cd-player as a DAC, using another cd-player as transport...?

6th November 2010, 02:59 AM	#6
stephensank diyAudio Member Join Date: Oct 2006	It's been years since I was a Yamaha warranty servicer, and have no idea what their parts ordering is like these days. I do remember now that the platter motor is Yamaha part number VE403100(pretty darn sure, otherwise it wouldn't have popped into my brain so specifically). Also, the early Pioneer cd changers, like the PD-M6, PD-M70, with that first generation mech, used exactly the same motor with a different part number, so you may be able to get it from Pioneer if Yamaha is unhelpful. Used to order those darn motors a dozen at a time. As for conversion to dac use, it would require a considerable technical effort. You would have to add an input receiver circuit, such as a CS8412 or CS8414, and tap it into the various clock & data lines, and then make it cooperate with the existing control & mute circuits. A daunting project for a not spectacular result. The PCM56 dac's can sound lovely, but it takes a lot of work improving the supplies & output stages to get them there.

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