MembersPage/PeterJensen/AudiSDisplay (2007-09-25 11:06:24)

Corrado g60 turbo

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VW Passat

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Audi S2

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24-09-2007

LCD question. I get some kind of rubbish on the display when the engine is started (see image) and when only ignition on there is no problems.

I use rs 232 cable fore connection and ca. 1,5 meters I length.

The plan worse to mount the display near the rear mirror at the roof so is there anything I can due to get rid of the noise?

[dnb] This looks like you haven't got the LCD cable shielded well enough. Make sure the shielding on the LCD cable is connected to the D connector on the connector, and that there is a good ground plane for the shielding all the way back to the ECU. (There should be, but it never hurts to check) Also, remember that shielding should only be grounded at ONE end.


Bad

bad_lcd.jpg

Good

good_lcd.jpg