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Have You Successfully Fitted A Raspberry Pi To Your Factory Tv/nav System

Rotaman

By Rotaman,
in Car Audio & Electrical

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Rotaman Rookie

Rotaman

Posted
Posted

Has anyone actually hooked up a Raspberry Pi and been happy with the results.


Why I ask, is I have a 2005 stagea M35 with factory Nav/TV etc and connected my Raspberry Pi via the aux input at the factory TV tuner box in the rear left quarter.


I have tried two different ways to connect the Raspberry Pi, one via the analogue video output using RCA cable and 3.5 phone jack for sound out connected directly to the aux ( VTR ) input.


This gave me a good sound, but picture quality on the factory screen was fairly poor.


The other method was using HDMI output from the Raspberry Pi then via a HDMI to composite adaptor out to the aux ( VTR ) input again. Results again were much the same, good sound, but picture quality was average.


I'm using XBMC on my Raspberry Pi.


I would like to get this so the picture is of good enough quality that I can easily read the words on the screen without them being a little fussy and very small.


I guessing this may be a case of changing settings in the workings of XBMC maybe, but as of yet I have not managed to be able to change the screen resolution size to see any difference in what I see on the small car screen.


I know if I changed the screen to one that had HDMI input, that I would get a lot better screen picture, but I would think the factory screen would still give reasonable results.


Before anybody suggests taking my car to see who ever, I just wish to point out that I'm in New Zealand.


I'm happy to change any wiring, or direct link something into the factory tv tuner if that is needed.


Any help with this would be much appreciated.



Rotaman


  • Like 1
  • 1 month later...
Kinks Grand Master

Kinks

Posted
Posted

I'm looking at this, but I am hoping to replace the screen with something more modern. the standard screen is 5.5" diagonal, which is an unusual size. Fitting a 4.3" would be easy but a backwards step in size. 7" seems just a bit too big to make it fit.. and there's not really anything in between.

otherwise if you can get a decent result with the factory screen, it's a good size so i'd be happy to leave it. haven't tried pulling mine apart yet. I'm on the lookout for a spare TV unit to try replacing the screen as above.. don't feel like leaving a hole in my dash while I mess around :P

where does the composite video input plug in for the screen?

Chris Rogers Grand Master

Chris Rogers

Posted
Posted

Geoff,

Screen is a sharp or Panasonic in the m35 from memory.

It needs a data feed to fire it as there are 4 inputs that need to be setup.

The 34 is a 5.8" unit and easier as it is a sharp unit. I have the datasheet for that one and if you can generate RGBS then you are on your way. That unit is a twin input with a logic trigger to select it.

Chris Rogers Grand Master

Chris Rogers

Posted
Posted

This is a later motorized screen. Similar idea. Toshiba supplied. The board supplies all of the signals to run it.

post-2209-0-09028200-1417336306_thumb.jpg

  • 2 months later...

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