Hi everybody,
I got (some months ago) a Antec 1200 case for my 1st home built system. The system is running fine but I just noticed some days ago that the front panel audio connections have major parasitic noise (didn't use them so far). I searched a bit and read that the Antec 900 has the same problem too and that it is the ground at the front panel which leads combined from the 2 USB, 1 eSATA, a blue light (LED?, "flashing with the CPU usage") and the 2 audio connections to the case. The back audio works of course so i don't think it's my motherboard causing the problem. You do hear the music a bit, playing a song, but there's this noise when either the blue light is flashing (often) or if you have an USB device connected (you hear how for example an external hard drive is starting up and running). So i think it has to be the ground. I didn't try it out connecting an eSATA device.
Now I read that they just disconnect the ground from the audio or connect the ground to another better conducting spot on the case. I tried the latter but it didn't help. The other I don't know how to fix. I can't figure out how to open the front panel. It seems like it's one piece together with the whole top which is fixed to the case with rivets (i think). I possibly could somehow cut the ground away from the audio cables maybe, but the access is real small. Best picture i just found is the following. You can see the rivet and also how the cables go to the front above the disc drive. Those front bays are seperated to the top by a fixed metal plate (or at least it looks like this. Removing only the top front bay doesn't give me access.
I'm really thankful for any constructive advices, instructions help...
In the worst case I still can send the case back or I already thought about cutting somehow a whole out of the bottom of that metal plate seperating the front bays and the front panel back side but i don't know yet how i could do this.
Thanks a lot!
ABBDVD
edit1: sorry, forgot to change it to a question and not a discussion and it doesn't let me change it. I am seeking an exact answer...
I got (some months ago) a Antec 1200 case for my 1st home built system. The system is running fine but I just noticed some days ago that the front panel audio connections have major parasitic noise (didn't use them so far). I searched a bit and read that the Antec 900 has the same problem too and that it is the ground at the front panel which leads combined from the 2 USB, 1 eSATA, a blue light (LED?, "flashing with the CPU usage") and the 2 audio connections to the case. The back audio works of course so i don't think it's my motherboard causing the problem. You do hear the music a bit, playing a song, but there's this noise when either the blue light is flashing (often) or if you have an USB device connected (you hear how for example an external hard drive is starting up and running). So i think it has to be the ground. I didn't try it out connecting an eSATA device.
Now I read that they just disconnect the ground from the audio or connect the ground to another better conducting spot on the case. I tried the latter but it didn't help. The other I don't know how to fix. I can't figure out how to open the front panel. It seems like it's one piece together with the whole top which is fixed to the case with rivets (i think). I possibly could somehow cut the ground away from the audio cables maybe, but the access is real small. Best picture i just found is the following. You can see the rivet and also how the cables go to the front above the disc drive. Those front bays are seperated to the top by a fixed metal plate (or at least it looks like this. Removing only the top front bay doesn't give me access.
I'm really thankful for any constructive advices, instructions help...
In the worst case I still can send the case back or I already thought about cutting somehow a whole out of the bottom of that metal plate seperating the front bays and the front panel back side but i don't know yet how i could do this.
Thanks a lot!
ABBDVD
edit1: sorry, forgot to change it to a question and not a discussion and it doesn't let me change it. I am seeking an exact answer...