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Old 04-16-2011, 01:13 AM
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Rear DVD screens

Where could I find info on how BMW wired the rear screens plus DVD changer in the rear , its because I'm wanting the nav wired up to em and them wired to the nav many thanks Paul
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Old 04-16-2011, 06:09 AM
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It is my understanding that the rear screen entertainment system on the X5 MK1 (what vehicle do you have?) was a stand alone system. Here are the connections available at the TV tuner.
http://www.kb97.co.uk/satnav/pdf/BMW-TV-Tuner.gif
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Old 04-16-2011, 06:09 AM
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It is my understanding that the rear screen entertainment system on the X5 MK1 (what vehicle do you have?) was a stand alone system. Here are the connections available at the TV tuner.
http://www.kb97.co.uk/satnav/pdf/BMW-TV-Tuner.gif
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Old 04-22-2011, 02:46 AM
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Yes us it stand alone system but why do I need to tap into the tv tuner can't I just use the av in/out plugs in the rear seating area ???
Thanks again for all the help
Paul
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Old 04-22-2011, 08:05 AM
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Quote:
Originally Posted by wilkoturbo View Post
Yes us it stand alone system but why do I need to tap into the tv tuner can't I just use the av in/out plugs in the rear seating area ???
Thanks again for all the help
Paul
The AV-OUT connector in the rear seating area goes to the same connections on the TV tuner that Bryan showed you.

The system works as follows:

AV-OUT delivers only the TV picture from the TV tuner (or anything connected to AV-IN on the TV tuner). It does NOT show the nav screen or radio control menus (unless you have the special 760iL TV tuner, but you won't in the X5) or the reverse cam picture.

The reason is: the AV OUT was designed for the entertainment system for the rear seat passengers, and they can control the AV device connected to AV-IN (in those old days, a video recorder) which now could be an iPod or MP4 movie player.

The original BMW system used headphones for the rear seat, which were also driver from the AV connections.
The Audio on AV-OUT is a constant level line-out audio, so the screen needs a volume control.

The AV-OUT remains on the Television channel regardless of what the front screen is displaying, so you can have front passengers listening to radio or CD and watching nav, while rear passengers watch the TV and listen on their headphones.

It works really well.
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Old 04-22-2011, 09:23 AM
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Yes thankyou I understand what you said but when I try and wire the bk DVD player to the front nav screen it flickers all the time proper crap picture and same in the rear tv up front fine screens in the rear [email protected]@

Many thanks again for your time and help. Paul
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Old 04-22-2011, 09:41 AM
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Originally Posted by wilkoturbo View Post
Yes thankyou I understand what you said but when I try and wire the bk DVD player to the front nav screen it flickers all the time proper crap picture and same in the rear tv up front fine screens in the rear [email protected]@

Many thanks again for your time and help. Paul
Thats a grounding issue

The AV-IN has an isolated ground, to avoid ground loops.

You need to ground the DVD player to the chassis of the vehicle.
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Old 04-22-2011, 10:11 AM
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Would BMW have done that it was fitted by the










All I've been doing is cut off the bk of the av in/out plug and touched it on the yellow and black plug under the seat in the ??
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Old 04-22-2011, 10:22 AM
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Originally Posted by wilkoturbo View Post
Would BMW have done that it was fitted by the ...
All I've been doing is cut off the bk of the av in/out plug and touched it on the yellow and black plug under the seat in the ??
What do you mean by "cut of the bk" ??

When connecting AV-IN, make sure you connect video and video-gnd to the correct wires.

Remember the isolated video ground issue

Your posts are unclear as to what you are trying to do.

Do fix a rolling picture problem:
a) make sure monitor is set to same standard as video source (PAL, SECAM, NTSC etc)
b) make sure video input is grounded properly as AV-IN is isolated ground
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Old 04-22-2011, 10:44 AM
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Wow, OP please try to type clearly. We can't try to help you if we can't understand what you are writing.

As Kiwi says, use properly assembled cables and check for PAL/NTSC support to cure flickering. No idea what the rest of the post is about.
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