CD5 XS transport noise

I’ve acquired a late model CD5 XS in very good condition.

It plays discs fine and sounds great but has a quirk that I’d like the forum’s advice on.

When first inserting a disc and reading the TOC it makes two clunking noises which I assume to be the laser hitting it’s two end points.

It also does it if you press stop when playing and sometimes when shifting track, generally just from 1 to 2.

My suspicion is that the limit switch isn’t working properly?

Is this clunk normal or should it be silent?

The seller has offered to have it back if I don’t want it within a short trial period so I’d like to know if it’s nothing to worry about or it might be in it’s death throes.

Thanks.

It may be the little ribbon cable on the laser that’s catching somewhere - not uncommon. Otherwise @NeilS may have more ideas.

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Sorry to read your report.

No clunks from mine. I have just listened hard to be sure. All I get is what I think is called servo noise, a kind of whirring. The two bars in the display flash a few times, then the number of tracks comes up. I hit play, everything normal, it plays.

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Many thanks for tagging Neil @Richard.Dane .

I have asked the question through the support page on the Naim website, but time is of the essence if I’m to find out I’d be wise not to keep it. The more I listen to it, the more I want to!

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Nor mine, though it only gets occasional use these days.

Roger

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It does sound like the sled ribbon is fouling on something - do you know if it has had a replacement transport fitted at any stage?

Regards

Neil.

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Thanks @NeilS

The seller didn’t say it has had a new mech and also told me it had minimal use, which given the condition it is in I would agree with. Do the ribbons come loose if it gets a jolt eg in transport?

If I carry on using it in this condition will the ribbon eventually break?

I know you don’t repair them any more and I’d rather not ship it anyway.

I’ll ask Darran at Class A if he wouldn’t mind having a look.

Cheers. DW.

Class A don’t service CD players. I guess you could ask whether they would have a look and see if there’s a simple fix to a ribbon cable - but the official answer is no.

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Thanks Chris, yes I did know that but it’s always worth an ask.

Not normally.

I wouldn’t think so, it can cause a skip/mistrack at the point where the tension on the ribbon releases though.

If you index a disc & listen to the sled’s travel, open the drawer when the sled is at its outermost position. Remove the disc & have a look with a torch through the sled slot. Ensure the ribbon is sat completely flat on the bottom of the tray & not snagged on the embossed part.

Regards

Neil.

Not the greatest pic but I’m hoping this is how it should look:

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Thanks Chris.

@wardy if you get the timing right, you should be able to get the lens into this position, which will give a better view of the ribbon.

Regards

Neil.

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Thanks a lot both.
Best pics I could take suggest that there probably isn’t a problem with the ribbon cable.
The noise is very consistent and coincides with the extremes of travel in both directions.
Which makes me think it could be the end stop switch?
@NeilS did I read you give advice to someone else that if the sled is overshooting and hitting the end then that isn’t a big issue?

Thanks again. DW.

That was the CD5si.

However, something doesn’t look right with that limit leaf switch. I’m not 100%, but it looks like there may be a plastic piece missing.

Any chance you can get another pic focused on that (the copper bit just above the green PCB)?

Regards

Neil.

Is this what you mean @NeilS ?
I did wonder what that bit was for!

Yes - I believe there should be a little plastic buffer on the front leaf.

I’ll check tomorrow & report back.

Regards

Neil.

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That’s fantastic Neil, thanks a million.
I’d really like to keep it if this can be resolved.
Equally if this is a terminal fault (new mech) then at least I tried and found out in time to get my money back.
Cheers again, DW.

A quick check and mine looks the same.

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Yes, it’s correct - I was thinking of the 1205 last night!

Regards

Neil.

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Thanks for confirming @NeilS
Are there any other possible causes of sled overshoot?
Is it likely to cause premature laser/mech failure?