Question about Pioneer PD-M423 CD Player

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Pioneer PD-M423 CD player will no longer read CD's. For each CD, I hear either a high-pitched buzz for a few seconds, or 3 clicks, then it moves on to try the next CD. Unit was recently moved several hundred miles by truck. I already checked the laser lens per Robotek's solution, it's still in place. There are no loose parts inside the unit. Any suggestions?

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Ribbon cable track(s) from pcb to laser assembly brocken
First - check all tracks for continuety, before suspecting motor or laser assembly.

Posted on Jan 14, 2009

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Have the same problem. Had friend, electronic tech look at it. Pickup assembly failure. Use or Pioneer to find part and then cross reference with other models that use same part. I bought used item on Ebay, $40 to repair my unit. Simple 5 screws, two pug in cables. Be sure to discharge static electricity from body before touching interior parts. Up and running in 20 min,

Posted on Jan 01, 2009

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Pioneer model # PD-M423 won't read the CD and ejects it.

If it is with all clean cd's then it can be a dirty lens which you can buy cleaner for, but i've read the manual and was dated 1993, so if a cleaner not helps , it's the unit itself and time for a new player. Parts are very expensive and it's one whole unit..... I think it's the end.

Greetings richard

Jun 06, 2014 | Denon DN-S3500

1 Answer

Cd loads but motor don't engage

In some cases the linking flexible cord for the motor drive can be open/torn and so the motor will not work. Since the panle moves all the times this cord being flexible can breaks off in a period of time. So look carefully after opening the top panel and if this is confirmed then the wires can be looped to work.
Check the motor using an external voltage , check continuity of the cord. If not the drive or the output to the drive IC is absent.

Sep 20, 2011 | Pioneer PD-M423 CD Player

1 Answer

I lost my remote control for my PD-M423. Where can I obtain another. thanks

Search Engines find these things faster than awating Expert response.

One place...

There are several cheaper ones on eBay.


Aug 02, 2011 | Pioneer PD-M423 CD Player

1 Answer

Where does the cables from the cd player connect to.

Depends on the capabilities of the device you're connecting it to.

Typically, the analog Audio Out RCA cables would go to any corresponding Line Level input; the coaxial- or optical-digital audio would go to any compatible connectors on the receiving unit.

Apr 29, 2010 | Pioneer PD-M423 CD Player

1 Answer

CD player does not play discs

Laser has died ,problem with pioneer is laser costs are ridiculous and write the machine off

Jan 01, 2009 | CD Players

1 Answer

Do we have to have the PD-M423 CD magazine for our player

I have 14 magazines (CD holders) that I want to sell. I also have a unit and the remote to sell too.

Jan 01, 2009 | Pioneer PD-M423 CD Player

1 Answer

Cd player

pioneer cd players have the common problem of losing their laser lens due to the glue that holds it in place going brittle over time. try shaking the player from side to side and upside down to see if you can hear the lens rattling about. if you recover the lens, very carefully slot it back in place and apply a tiny drop of glue (NOT SUPERGLUE) to the outside edge of the lens taking care not to get any on the focus area and leave to dry. all should be well after this. i find UHU GLUE in the yellow tubes do a lasting fix but don't use SUPERGLUE as the fumes will coat the lens.

hope this helps?

Oct 05, 2008 | Pioneer PD-M423 CD Player

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