Question about Denon DVD 2930 DVD Player

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I need service manual for the Denon 2930 to adjust laser head.

Hi!

I need service manual for the Denon 2930.

I have replaced laser-head, and now need to adjust head's current and so on.
I need oscillograms and circuit schematics for laser head, synchronization, etc.

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Posted on Jan 02, 2017

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SOURCE: Replacing laser assembly/mechanism on Denon DN-C635 CD player.

Don't usually have to do any alignment when replacing the pickup.

Posted on Mar 14, 2013

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Replacing laser assembly/mechanism on Denon DN-C635 CD player.


Don't usually have to do any alignment when replacing the pickup.

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i strong recommend to go to the repair shop TV for fix it or evaluation if the cost is NOT higher, that will be better to buy a NEW one.
see the block diagram, and see how many circuit are involved .God bless you
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Require cleanning all the DVD disks u watch,same result buy a basic cleanning DVD kit,not require take aparts to clean the laser eye len.

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Hi...

1st off , what I do with CD players is clean the rails that the laser assby runs on and treat the rail surface w/ liquid silicone.
Next pull all the cables to the CD assby and reseat them.
Clean the laser lens w/ pure alcohol and swab off till dry.
If there are any adjust pots , note where theyre set, rotate them a couple times and set them back to original set point.
You might be able to get the service manual at
www.free-service-manuals.com (14.00 for 3 months)
or www.stereomanuals.com

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1 Answer

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The most likely cause of this problem is the laser is becoming weak. You may be able to get a bit more service out of it by manually cleaning the laser with a cotten bud and some alcohol. However the only real solution is to replace the laser assembly.

It depends on how good at taking things apart and putting them back together you are, weather you should try this yourself. The laser assemblies often have the part number on the side of them, if not you will need to contact Denon who may tell you what it is if you are lucky.

Almost all laser assemblies come fully clibrated and all you need to do is remove the old one and replace it with a new one. You can get the parts from CPC in the UK unfortunately I don't know about other countries.

Regards, Andrew

Sep 14, 2008 | Audio Players & Recorders

1 Answer

I just doesn't load/read CD's.


I had the same problems with my four year Denon DVD-3910 and the only solution to it was to replace the laser unit with a new one.

There are some repair service on EBay that offer new laser units for only about 50 € and are also willing to change the laser unit for an extra charge of just 30 €.

After this replacement your Denon DVD-3910 will work fine again.

Sep 10, 2008 | Denon DVD-3910 DVD Player

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