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Anybody have the issue where the cartridge itself will not eject? The changer lights up but nothing happens when I hit the eject button. I have been searching for instructions on how to remove the DVD changer itself
 

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Anybody have the issue where the cartridge itself will not eject? The changer lights up but nothing happens when I hit the eject button. I have been searching for instructions on how to remove the DVD changer itself
Me too. I had a problem with DVDs not playing and used a lens cleaner which worked perfectly but now I have had the deadly mecha error sign and the changer itself does not appear to be working anymore; even getting the cassette out takes ages with switching stuff on and off. Are there any instructions to get the DVD player out so I can pull apart and clean it?
 

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I realise it's been a while since the last post on this subject, but I was having the same problem (that is the DVD cassette was stuck in the DVD unit) and had been putting off fixing it. Finally got around to sorting it out tonight and it was much easier than I thought.

It did involve taking the Alpine DVD unit out of the car, as you have to take the top cover off the unit to be able to access the gears that eject the 6 disc cassette. Once it was out I cleaned out all the dust, dirt and junk that was floating around in there by blowing it out with on of those little aerosols you use for blowing the dirt out of laptops/keyboards, etc (don't use a compressor!!); I guess a previous owner had probably left the front cover open at some stage. I then cleaned up the little tracks that the mechanism slides in with some rubbing alcohol on Q-Tips and then lightly lubricate them with some lithium grease (very similar to the process shown here https://www.youtube.com/watch?v=qMx-YQ8m9j4 its for an Alpine CD changer, but the internals on my Alpine DVD changer out of my 2006 Full Size Range Rover Westminster are almost identical). I put it all back together and it's now all good. Finally got 6 different DVDs playing...... for the first time since I've owned the vehicle!!

I did take a couple of pictures, so if anyone still needs details I could probably write up a more detailed description if it would help.

Cheers,

Scott
 

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Also, for those asking about the eject button not working - if the unit is "busy", (e.g. trying and re-trying to read a disc), the button may be ignored or it may take a *very* long time as it waits until the current task is done, which may never happen if the unit is bollixed in some other way.

However, if the unit is even halfway functional, you can press and hold the eject button for 5 seconds or so which tells the unit, in essence, "gimme it anyway!"

There's a few possible outcomes then depending on what problems the unit is having, as follows:
- nothing
- you get the cartridge with all discs
- you get the cartridge minus the one which was selected and you'll probably have to disassemble the unit to retrieve the missing disc

The first case means either an electronics issue or a major mechanical issue (i.e. something overtly broken, dislodged, unplugged, fried etc)
The middle case means that the "big" mechanical bits are probably okay and probably the electronics as well, you likely just have a stuck head, dirty lens etc
The last case is indeterminate but leans more towards a mechanical issue of some kind

First and last obviously require disassembly/repair or replacement. The middle may just need a cleaning disc.
 

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I have a 55 plate Range Rover sport with rear entertainment system. When I bought the car which was nearly two years ago now the DVDs do not play the screens just say no disc. My daughter gave me a disc to clean it but it was for CDs and the sound works but still says no disc. I was wondering if anyone could help. I've taken it to an audio electricians who just wanted to replace the head rests with screens and put a new DVD player in. I don't really want to do this and someone else has recommended going to a Land Rover dealer but I thought this would be expensive and they may say to replace the system which will be very expensive.
 

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My daughter gave me a disc to clean it but it was for CDs and the sound works but still says no disc.
CDs and DVDs use different wavelengths so there's usually two different read heads in the unit. The unused head should remain "parked" when not in use so a CD-type cleaning disc probably wouldn't have gotten to the DVD head. However, the fact that it works for audio CDs now means the mechanicals are probably all good, (DVD head mechanism itself being the only possible exception), so go spend a couple dollars on eBay for a DVD cleaning disc and you might be fine!
 

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CDs and DVDs use different wavelengths so there's usually two different read heads in the unit. The unused head should remain "parked" when not in use so a CD-type cleaning disc probably wouldn't have gotten to the DVD head.
Quite the contrary, the pickup/lens unit is exactly the same for DVD and CD. The laser is modulated differently. Only the BR/HD-DVD pickup/lens units in BluRay players use a different lens, it is still fixed to the same diagonal arm. A cleaning CD should work. Ref: https://upload.wikimedia.org/wikipedia/commons/0/0c/Panasonic_UJ-845-C_Optical_Drive_Internals.jpg
 

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Um, no, not really. They use different wavelengths, 650nm & 780nm, you can't get two different wavelengths from the same element (special-case lab equipment doesn't apply here. :)
There are head assemblies which have two laser elements, and fancy prisms to let them use the same set of lenses, but that's just a way to mechanically combine what is still two different heads. Those tend to be used in lower quality players, (such as the one linked to), and that may apply for Rovers as well, (haven't opened one up), in which case, yes, the single disc cleaner would be adequate. But higher end players still use separate heads, and sometimes even multiples of those, in either which case the original statement very much applies.
 
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