interference with dvd and screen

[Paul16V]

YOu may all have seen my screen and dvd install.

I get a bit of interference when u rev the car, seen this before with amps etc. kind of a whistle. Think it affects the picture slightly too though.

Think it could be cos its plugged into the fag lighter? Where should i run a live from in a valver ideally?

Cheers people!

 

[papa?]

Probably a poor earth m8 - thats what causes alternator whine most of the time...

 

[CS_Matt]

yup poor earth

 

[Paul16V]

cool. think the only earth is the fag lighter hehe. so that could be mi problem.

 

[maff]

I think i have read somewhere that this problem can be fixed by installing a ground loop isolator, can get it at maplins or halfords.

 

[McBunny]

READ THE BLOODY BOOK !!!!!!!!!!!!!!!!!

 

[Padso]

i have the same problem with my car and havnt been able to fix it yet.

Gonna have to try a different earthing point but do the isolators work on the rcas of video cable signals?

 

[iPap]

Yep they work, but best to hard wire the thing in properly and create a decent earth. If you take the screen out then hardwire it and use a plug of some sort!

 

[Fred@BTM]

IMO is got nowt to do with the earth, its to do with the power inverter that changes the cars 12V into 240V

This happened on my car, at first i used a £50 inverter from PC World which caused loads of "fuzzing" and lines across the screen. I changed this for a Sine wave inverter (£130) and the picture and sound have been perfect ever since

 

[KDF]

All you have to do os ground the video/audio sigal to the car, thats what I did to fix the video interference in my xbox/screen.

There was no way I was paying over 100 quid for a true sine wave converter, a modified sine wave is good enough for me.