Question about Pioneer CDJ-800 Turntable

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CDJ 800 Bad Laser

It seems that my cdj800 might have a broken laser? When a disc is loaded into the deck, it spins and repeats the spin but will not read any media from the disc and automaticly ejects the disc, Displaying "NO DISC". Would that be the problem? And if so pioneer offers a replacement laser for the unit, How diffiult would it be for me to replace it? Is it a simple unscrew and unplug process?

Posted by dj dee on

  • Rachel_bun Mar 27, 2008

    I am having the same problem - I have a Pioneer 800 Mark 2 and it is not reading any disks & just spitting the disk back out. I tried using a lense cleaner because i thought the lense was dirty, but it does not even read a lense cleaner.

    I have only had this deck for 3-4 months.

    How much will this cost to repair?

  • djomarc555 May 30, 2008

    when i slide a cd into the cdj 800 it only reads "LOADIn" and then after like 40 seconds it automaticly ejecs the disc



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Yes, sounds like a damaged reader/tray. This is not an easy fix. Although there is no soldering involved, it's sort of like a car. In order to get to the engine, you have to remove a whole lot of other sections first. Often times when you put it back together, you'll find yourself with some extra pieces you didn't have when you started. With that said, I do not suggest you do this yourself, unless you are completely 100% confident in your ability. Or, get some help.

The part is available HERE - at the cost of $49.99


Posted on Nov 14, 2007

  • jack hammerton Jul 22, 2013

    i have done this and its still doing the same! please help!



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Yes, sounds like you have a bad traverse assembly (laser). You can replace it yourself, however, I wouldn't suggest it, as you need to calibrate the assembly after the installation, and remove a solder bridge (which keeps the unit safe during transport). It is a little complicated, if you don't have experiencing doing this type of work. Taking it to a service center would be your best option.

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If you replaced the tray yourself, then more than likely you did not remove the solder bridge that the manufacturer puts in place to protect the part from damage in shipping.

Detailed instructions on removed this solder bridge are LOCATED HERE. These instructions apply to both the CDJ800 and the CDJ800MK2 models.


Feb 15, 2008 | Pioneer CDJ-800 Turntable

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