Question about Memorex MX4100 CD Shelf System

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CD won't work, says "Test"

Daughter's C/D Player won't work and says "test" in the display for about 10 sec and shuts off main power automatically. If you put the disk in ten or twenty times, it might work once. Not the disk, they all do it...

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Re: CD won't work, says "Test"

HI. this is a failing optical assembly. it must be replaced. Contact Memorex for the appropriate replacement optics assembly asap, if possible.

Posted on Aug 03, 2009

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Bang & Olufsen Beosound 3200 CD Door won't open

Could be the PCB9 light and motor control have the problem its on the upper left side of the player.

Feb 25, 2013 | Audio Shelf Systems


Remove Regionalisation

Hi All

After having my HT-Q100 repaired by an official Samsung repair centre, I was unable to play any DVD's - even UK ones!

So I phoned Samsung, they said I should return it to the repair centre for it to be fixed.

I couldn't be bothered to waste time on this yet again, so I logged onto and found that you can remove regionalisation on DVD players and it's totally legal!

Therefore the following instructions are for removing the regionalisation on the Samsung HT-Q100 so you can play any DVD's! I've just carried this out and it's fixed the DVD problem and can once again play DVD's!

1. Remove disc from tray.
2. Switch off player and unplug from mains.
3. Wait 30 seconds, then reconnect mains.
4. Turn on player with remote. Wait for player to finish loading and display 'no disc'.
5. Press enter on remote. (There will be no on-screen response.)
6. Press 8, 4, 2, 6, 9 on the remote. (There will be no on-screen response.)
7. Press enter on the remote. Player will automatically shut off.
8. Turn player on.
9. turn off.
10. Turn player off then on again.
11. Player is now region-free.
The above was courtesy of the link at:


on Nov 29, 2008 | Samsung HTQ100 Shelf System

1 Answer

The dvd player wont play dvd's it will play cd's

Sometimes it might pick up ordinary audio CD but will not play other formats. This indicates that the optical head is weak and so there is no detection or scanning of the CD . If the optical is working the tracks will be read immediately but with no scanning the laser head can be defective.

If there is no result then watch if the CD spins or tries to spin. If so the board seems to work unless a test is taken on the main board but the possibility of a defective optical head can be the suspected fault.
If any of the above seems otherwise we must recheck with possibilities of a malfunction of the main processor board

Aug 05, 2011 | Audio Shelf Systems

1 Answer

The CD player in my Pure Legato 2 system won;t register CDs, the last few times I listened to CDs they skipped a bit, now it won't play them at all, it just reads 'no CD'.

I have fixed this problem in 2 Legatos. But don't attempt this if you have no experience with electrical equipment.
You need to open the case (4 screws deeply recessed in the back panel, 3 screws securing the speaker terminals and the phono socket block, and the nut and plastic washer holding the aerial socket. Gently ease the rear panel back enough to access the rear of the CD mechanism. Under the CD laser assembly carriage, there is a small trim pot (with a yellow cross-head adjuster screw). I found a small anticlockwise adjustment got the CD player working again. (I assume this trimmer increases the gain of the optical sensor amp.) Secure the rear panel before powering on again to test. It may require a little trial and error to recover the full functionality of the CD.
Good luck.

Feb 09, 2010 | Audio Shelf Systems

1 Answer

Good day,i have an aiwa HX-A1000 stereo system with a 3 cd changer,casette player/recorder,and 5.1 surround sound.After having it in storage for several years,i have lost the owner's manual and cannot seem...

there is a problem with the stereo firmware. It is not anything you are doing wrong. It is a common problem with all Aiwa's. If you are handy with electronical repair, you can test and replace the bad resistors. Otherwise, it will have to be taken in for diagnostic testing.

May 11, 2009 | Aiwa Audio Shelf Systems

1 Answer

Cd player not working

Replace the laser pickup unit along with its connection wire to main board. OK.

Apr 08, 2009 | Sony CMT-NE5 CD Shelf System

1 Answer

My Panasonic SA pm08 DVD/CD player is stuck on 'Locked' and I can't change the cd's or do anything. J How do I unlock system?

Try first unplugging unit from main, and holding the cancel button.

If that does not work try the following:
Hold at the same time the stop button on the main unit and key >10 on the remote control at the same time for about 5 seconds, until you get the word "initialised" on display. This will reset the unit to factory settings.

Dec 10, 2008 | Panasonic SC-PM08 Shelf System

5 Answers

PROTECT message display on JVC HX-D7 DVD Stero Player and turn off

How do i fix that i get the message on my cd play (JVC HX-D7) and it says PROTECT and shuts off by its self what do i do to fix the problem ?

Sep 27, 2008 | JVC HX-C6 Shelf System

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Error e-20. Doesn´t Work anything related to the Cd Players.

The system may need to reset. Unplugged the amp from the power source completely and let it rest for at least 5 minutes.

The illumination can only be controlled from the main remote. Adjust the prongs inside the remote and this should fix the issue.

Jul 28, 2007 | Nakamichi SoundSpace 9 CD Shelf System

1 Answer

CD player will not read any disc

Try cleaning the lens, best way is to open it up and use rubbing alcohol (the purer, the better) with a q-tip. Wait for it to dry, then test it. If that doesn't work, you'll most likely need a new pickup. This might be of interest to you:

Apr 21, 2006 | RCA RS2652 Shelf System

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