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Service Manual available on Elektrotanya FOC. ( https://elektrotanya.com/pioneer_pd31_pd7700_pd8700.pdf/download.html#dl )

Probably the Display Tube itself.

But you could check there is...

I know you're convinced it's Mains borne, but.............

Is it a constant Hum/Buzz or intermittent. You have mentioned (and the title of the thread is ''Occasional.....'')

Could it be an...

These are all my own designs.
Nothing too radical. Looked at the datasheets for all the ICs and implemented according
to the Manufacturer. Let's face it, they know what they're doing.
1541 in...

They sound quite alike, yet different. (Sorry!)
They both have slightly different output stages, the 1540 not requiring quite so much gain, interestingly. So an ECC82 is used whereas with the 1541 I...

I presume the ''Coaxial'' you mention is referring to Digital? SPDIF?
You may need a USB B to A converter Lead, but these may help.....................

(...

I've listened to a few and I have to say Red Book sounds so much better on a dedicated CD Player.

J.C.

Links?

I make them myself, as a hobby !!! One-offs. I could be persuaded to make more !!!!
Just thought folk would like to see !!!

No, my own designs.
Just fake Chinese Goldman cases which are available on ebay.

14 bit TDA1540 based one and a 16 bit TDA1541A based one.

'Crompton Audio' doesn't exist but you got to have something to fill the space where the fake Goldman badge would have gone !!!!

Fair enough.
I was only offering a suggestion for a ''....Hi-Rez Digital Player for 1TB USB drive?...'' as the OP asked for.

I know which I'd go for too. Now it's for the OP to decide which is...

Second hand PC off ebay £30
https://www.ebay.co.uk/itm/Windows-7-Dell-Optiplex-330-PC-Desktop-Computer-PENTIUM-DUAL-160GB-2GB-TOWER/273181653309?hash=item3f9ae5393d:g:0AYAAOSwrBJa3f3k

Foobar,...

A cheap PC or Laptop running JRiver or similar.
A LOT less expensive and should do all you want.

Jim.

If it's not an adapted DVD Player, may I ask what Laser is being used?
Didn't think anyone was making any new dedicated CD Transports/Mechanisms/Lasers any more.

It looks...................Hmmm....

Have you tried contacting them?
Sometimes with older products they themselves no longer support, Manufacturers do give out circuits. Worth an ask................
...

Aww, I was expecting a list of ''10 audiophile myths busted'' :( I'm gonna hunt you down and hang you from the nearest tree !! ;)

I totally agree with what you have said though and I'm sorry, I...

FYI..................

(Raises Head slightly above the parapets ;) )

A vote here for USB !!
Not Bandwidth limited in case you want to experiment with super-dooper Hi-Rez material in the future.
Plus I've never got on...

Just me being pedantic but both Coaxial and Toslink (Optical) carry SPDIF.
SPDIF is the type of Signal, not the type of Connection.

https://en.wikipedia.org/wiki/S/PDIF

Jim.

The Clock you linked to appears to have two outputs, is it possible that the unit could be configured to give the two Clock Frequencies your Player runs on?

O/P 1 = 16.934MHz (384 x fS...

The Clock you link to rus at 10MHz, not very useful for CD Players, however they do say they can offer custom frquencies between 8MHz and 18MHz.

Your TEAC runs at 16.9344MHz (384 x fS) and is...

Long and laborious, but list them and sell them on here.....?

Alternatively, take a decent resolution pic of say 20 at at time of the spines so we can see what they are...........?

If they're...

Some Models were 'stuffed' with Black Gates.
This could inflate their second hand value. However, what these Caps will now perform like after all this time must be in doubt and getting replacements...

Weird. Does sound like a 'Language' thing though.
Can't remember what ONKYO stuff preffers. Let us know how you get on.

J.

It certainly wasn't 'Plug & Play' !!
No, some modification was required. I added a 'Ribbon' (wired) connector to the relevent points on the CDM-1 and connected them to the correct points on the...

Fair enough and looking at the pictures in the link I posted I think you may be correct. Certainly the Clamper Mechanism looks very CDM-4. As far as I am concerned this was a very widely used Laser...