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Old 28th December 2006, 03:23 AM   #1
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Question ROTEL RCD-865BX CD player mods?

Hi folks,

I picked up a Rotel RCD-865BX a while ago for around $35 at a pawn shop. It seems like a "good" CD player and I was thinking about investing some time into it.

I do not have the remote control which is killing me and I was wondering how I could get my hands on one or even clone one?

If you folks think it is worth the effort I was thinking about changing the OpAmps and/or the clock crystal or anything else that can easily be tweaked. I'm open to all suggestions.

HERE is a link to 3 fat jpegs under the hood. Have a look and let me know what you think.

Cheers,

Shawn.
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File Type: jpg rcd-865bx.jpg (20.4 KB, 715 views)
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Old 28th December 2006, 04:07 AM   #2
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Default XR5534ACP

Anybody have a pin out or data sheet for XR5534ACP?

Shawn.
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Old 28th December 2006, 04:55 AM   #3
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Default Re: XR5534ACP

Can I drop BURR-BROWN/TI 0PA627AP in place of the 5534's?

Shawn.
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Old 28th December 2006, 11:23 PM   #4
Fin is offline Fin
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That looks like an RCD965BX........but they are virtually the same anyway. Do some searching for both models as well as "Bitstream" and SAA7321/2/3 and you should find some usefull info.

A remote for almost any Philips or Marantz CD player should operate the Rotel.

You can replace NE5534 with OPA627....but you need to remove the compensation cap.
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Fin
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Old 28th December 2006, 11:31 PM   #5
anatech is offline anatech  Canada
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Hi Shawn,
Before you start, make sure it's tracking properly. Your 5534's sound decent already.

If it has muting transistors, pull them and adapt a signal relay instead. That will make more of a difference than op amp swaps. Look for 2SC2878's near the output jacks and in the output filter section.

-Chris
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Old 29th December 2006, 12:17 AM   #6
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Quote:
Originally posted by Fin
That looks like an RCD965BX........but they are virtually the same anyway.
It may be, I grabbed that jpeg from eBay. Checking...


Quote:
Originally posted by anatech
Hi Shawn,
Before you start, make sure it's tracking properly. Your 5534's sound decent already.

If it has muting transistors, pull them and adapt a signal relay instead. That will make more of a difference than op amp swaps. Look for 2SC2878's near the output jacks and in the output filter section.

-Chris
Cool. Checking... I got to put together a little preamp action first then I'll look at the Rotel a little later tonight.

Thanks, I thought no one cared 'bout this one?

Shawn.
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Old 29th December 2006, 12:47 AM   #7
anatech is offline anatech  Canada
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Hi Shawn,
I didn't see your post until today.

If you swing by, bring the CD player and we can throw it on the bench.

-Chris
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Old 29th December 2006, 01:21 AM   #8
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Quote:
Originally posted by anatech
Hi Shawn,
I didn't see your post until today.

If you swing by, bring the CD player and we can throw it on the bench.

-Chris
That and the best sounding DC300A there ever was! I can't wait. Next week is looking good and work and holiday stuff will be done. Chris, look for email.

Shawn.
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Old 29th December 2006, 01:32 AM   #9
anatech is offline anatech  Canada
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Hi Shawn,
Cool.

That would be neat to see. I may be dropping by The Metalworks later to catch up with an old friend. They still use them there. I can let him know what you've done.

-Chris
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Old 29th December 2006, 07:54 AM   #10
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Default Compensation Cap...

Quote:
Originally posted by Fin
That looks like an RCD965BX........but they are virtually the same anyway. Do some searching for both models as well as "Bitstream" and SAA7321/2/3 and you should find some usefull info.

A remote for almost any Philips or Marantz CD player should operate the Rotel.

You can replace NE5534 with OPA627....but you need to remove the compensation cap.
Remove the compensation cap? Which one or what typical value is it and what value should it be replaced with? Thank you for the scoop on the remote and I will search the threads a little harder.

Does any one have a schematic for this old beast?

Cheers,

Shawn.
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