no sound in rev C HELP

[RaAaK the FoX]

ok so ihave a gc rev c , the video work perfectly but i have a real big pb with the song , the sound bug, crackles, I tried to put all the places recommended (side A and side B) but to no avail I have a sound electricity, I despair, thank you for reading and your help

 

[Gannondorf929]

did you do the sound fix? http://forums.modretro.com/viewtopic.php?f=36&t=2187
If that doesnt work, just try adding more ground cables, or just thicker ones. Have you trimmed the board already?

 

[RaAaK the FoX]

I already tried this method, but unfortunately the REV C this diagram does not correspond
also the only place I was able to get sound (side B) is a tiny chip and impossible to weld (over the sound was very low)
I'll let you know if I have new :/

 

[Gannondorf929]

ashen did a trimming guide for rev c a while ago, he has instructions for audio purposes: http://forums.modretro.com/viewtopic.php?f=36&t=9329

 

[RaAaK the FoX]

I already know the guide I printed two months ago already ^ ^
ok finally the sound working again more or less, but it is simply horrible quality and very low, plus I think it's been heat my card fast enough, I'll try short when even