I will check that mate. I have bought a audio surpressor which what DJ's use appently which is supposed to filter out every noise apart from that of music which I should recive by today so Im gunna give that a try also. I was doin so well till this problem! All I need to do is get rid of this noise properly mount the Graphic and the install is complete!
Try a ground loop isolator. The suppressors commonly go on the power connections, and most will not support a big load.Originally Posted by fletcher5555
As some of the others say, have you looked at a DC-DC PSU that's actually built for in car use? It's a lot more efficient than using an invertor and if your hardware is suitable for it will make your life a lot easier. I remember when I used an invertor a few years ago and it was a PITA (this was before you could buy shutdown control for them) and I would NEVER go back to using an invertor even if you paid me.
Edit: this is probably my last post in this thread, as we seems to be all telling you the same answer to your SIMPLE problem again and again.
yes I second the motion, once you go DC you'll never go back.. biult in startup shutdown controller, small foot print, etc..
I still have an inverter for other things I use fromt iem to time.. but there is no reason to purposly introduce a 60hz buzz on the system.. I also use mutiple grounds, keep grounding till it stops..
I made my own ground loop isolater for about $10 from radio shack parts.. they have mono channel isolators.. just buy 2 and there ya go.. since going to cd I have not needed it though.. dumping my head unit helped too..
Make sure your power supply is grounded. I had the same problem and the fix was running a short lead from my ground distribution block to the neutral(?) prong on the PS's power cable. I never tried running the lead directly to the PS's case, but I guess it should work. The problem is that the inverter doesn't provide adequate neutral and ground circuitry.
OkI see guys above like Stevie G gettin a bit short with me but if you read the 1st post youd see that I tried a Dc power using the carnetix P1900 which blew up to the extent it nearly burnt all my dash and me in the process! Now call me abit dubious but I really dont wanna risk that again to be honest and their isn't anything else on the market that can power my Iwill Mini. Thanks everyone for your advice though I really do appreiciate it.
My apologies for your problems with the P1900. I think you may have pointed out an inconsistency in the wiring information on your IWill power connector. Please do me a favor and take a look at your AC adapter.
1) is it's part number FSP120-AAB?
2) does it have a pin-out label on it?
3) are pins 1 & 3 labeled GND (earth) and pins 2 & 4 labeled +V?
4) are pins 1 & 2 labeled +V and pins 3 & 4 labeled GND?
Please let me know what you find. I would be happy to send you a new unit to try.
The point was not about the DC-DC PSU, it's mainly about the ground-related buzzing noises and people's similar solutions, which you didn't state whether you've tried or not. Feed back is important if you want people to help you. I'm not getting short with you whatsoever, sorry if you got that impression I'm simply being honest.Originally Posted by fletcher5555
Also, you don't state anything about the carnetix in the first post in this thread.
Sorry Stevie G I think its called avin a bad day at the office and this buzzin was really starting to get to me. I did try everyones suggestions and I think in using every1s suggestions the buzzing has gone and im so happy with the install now its untrue. Ill see If i can post some pics very soon. My appologies again for flying off te handle and my thanks to everyone who offerd their helpo. Cheers guys!
Glad it's and working well!Originally Posted by fletcher5555
Don't worry I know the feeling mate! I'm a lot more relaxed now it's the bank holiday Weather's looking good around here (Nuneaton) so probably have a BBQ on later and once the beer's flowing things will get even better