Best replacement Cap for CDM1MKII

gto127 · 14th July 2009, 01:52 AM

Most of you familiar with the CDM1MKII transport know about the high failure capacitor (Non POL 33uf @16V) on the PCB underneath the transport. I've had one go out twice. What would be the most reliable replacement cap for this circuit. I think polypropolene would be too big & would interfere with the swingarm mechanism unless there is a minurature type I don't know about. Any ideas would be appreciated.

Mooly · 14th July 2009, 06:33 AM

Might be worth trying two 68mfds back to back. Good quality bipolars are a bit rare these days.

gto127 · 14th July 2009, 12:59 PM

If I do go with lytics in series which type would be the best to buy. I'd thought the 105deg might hold up better but most of these tend to be low esr which I'm not sure would be that great for an older circuit like this.

Mooly · 14th July 2009, 01:51 PM

Low ESR is perfect ?
I'm guessing it's used as a "filter" or time constant in a servo circuit perhaps. Whatever 105 degree low ESR is fine.

14th July 2009, 01:52 AM	#1
gto127 diyAudio Member Join Date: May 2007	Best replacement Cap for CDM1MKII Most of you familiar with the CDM1MKII transport know about the high failure capacitor (Non POL 33uf @16V) on the PCB underneath the transport. I've had one go out twice. What would be the most reliable replacement cap for this circuit. I think polypropolene would be too big & would interfere with the swingarm mechanism unless there is a minurature type I don't know about. Any ideas would be appreciated.

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14th July 2009, 06:33 AM	#2
Mooly diyAudio Member Join Date: Sep 2007	Might be worth trying two 68mfds back to back. Good quality bipolars are a bit rare these days.

14th July 2009, 12:59 PM	#3
gto127 diyAudio Member Join Date: May 2007	If I do go with lytics in series which type would be the best to buy. I'd thought the 105deg might hold up better but most of these tend to be low esr which I'm not sure would be that great for an older circuit like this.

14th July 2009, 01:51 PM	#4
Mooly diyAudio Member Join Date: Sep 2007	Low ESR is perfect ? I'm guessing it's used as a "filter" or time constant in a servo circuit perhaps. Whatever 105 degree low ESR is fine.

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