Error on Rotel RCD855 - diyAudio
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Old 25th July 2014, 01:12 AM   #1
diyAudio Member
Join Date: May 2011
Default Error on Rotel RCD855

Hi All,

I have problem with my Rotel CDP855, hopefully you guys could guide me to make my player sing again.

I just changed a new old stock cdm4, but it still has the same problem, error reading disc/TOC.

Most of the capacitors have already changed, and some caps around ICs are changed from 47uf to 56uf.

The cdp play CD/CDR well before this,but one day, it just suddenly don't play, no warning or skipping & etc.

After a cd is inserted, the len swing and move up and down > then error shown on display > then the disc turn softly anti-clockwise for a while.

I adjusted the laser power & focus trimmers, no luck there.

I have read some threads here about same cdp with same error, but that did not solved my problem.


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Old 25th July 2014, 08:33 AM   #2
diyAudio Member
Join Date: Mar 2014
The problem is probably in the focus circuit.

The sequence is as follows :-

1. Laser ON
2. Find focus
3. Spin disk

As the laser is moving up and down, the laser is on.
However, focus is not being found, hence no disc spinning.

Have you tried going into test mode.
The player is Philips based.


Last edited by kevinkevin; 25th July 2014 at 08:36 AM.
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Old 25th July 2014, 04:42 PM   #3
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Join Date: May 2011
May I know I do I go into the service mode? press buttons 'pause' '<<', '>>' and 'repeat', and at the same time, press 'on' button?

Is there anyway I can adjust the laser focus to the right spot? I do not have the test cd or scope.

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