Cambridge 640C V2 Thumps When Disc Ejected - diyAudio
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Old 21st October 2010, 07:11 PM   #1
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Default Cambridge 640C V2 Thumps When Disc Ejected

Hi all. I have a Cambridge 640C V2 CD player that causes a relatively loud thump through the speakers when ejecting a disc that has been playing for a while. It sounds like DC offset so I'm wondering if this might be a static problem although it occur throughout the summer. I'm thinking static because the disc has to be playing for a while. Any suggestions to solve this problem would be appreciated.

Last edited by Monjul; 21st October 2010 at 07:13 PM.
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Old 24th October 2010, 01:41 PM   #2
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Old 24th October 2010, 02:15 PM   #3
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It might be the mute circuit. Does it "thump" in both channels?
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Old 25th October 2010, 11:38 AM   #4
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Yes, it thumps in both channels. Should I pursue having this repaired? If I do, maybe I'll have the player upgraded/modified also. Are mods to this unit recommended?
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Old 25th October 2010, 09:00 PM   #5
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Just adding comment here as a matter of interest.

I bought a 340 a few years back and that had the same problem.

I took it back to Richer Sounds where it was exhanged, so I don't know what was wrong with it..

However....

What I can say is that the fault is most likely on the servo board and not the DAC / Audio board, simply because the servo board is a common component to all three models. Audio output is in fact derived from this servo board on the 340 too.

Hope this is of some help.
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