Marantz CD80 tray motor is running non-stop - Page 2

Jocko Homo · 31st October 2005, 02:04 PM

We were heading in the same direction. Although I am surprised that the op-amp would fry in that manner.

Good to know that those input diodes do work when needed.

Jocko

Jeph · 20th November 2005, 07:58 AM

I replaced the TCA0372, but the motor keeps on running

I have tried to measure the values of the resistors in the circuit, and they seem to be ok.

Best regards

Jeph

jonclancy · 8th May 2006, 02:23 PM

Hi,

Did you ever find out what the problem was here?

This tray control is the same setup used in the Arcam A6 CDP. I'm having a similar problem except the motor overruns for a couple of seconds on the +5V opening. Limit switch is only used for the tray closing in this implementation.

All the best

Jon

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31st October 2005, 02:04 PM	#11
Jocko Homo Banned Join Date: Feb 2002 Location: As far from the NOSsers as possible	We were heading in the same direction. Although I am surprised that the op-amp would fry in that manner. Good to know that those input diodes do work when needed. Jocko

20th November 2005, 07:58 AM	#12
Jeph diyAudio Member Join Date: Sep 2003 Location: Copenhagen	I replaced the TCA0372, but the motor keeps on running I have tried to measure the values of the resistors in the circuit, and they seem to be ok. Best regards Jeph

8th May 2006, 02:23 PM	#13
jonclancy diyAudio Member Join Date: Oct 2002 Location: UK	Hi, Did you ever find out what the problem was here? This tray control is the same setup used in the Arcam A6 CDP. I'm having a similar problem except the motor overruns for a couple of seconds on the +5V opening. Limit switch is only used for the tray closing in this implementation. All the best Jon

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