I was playing my les paul one day, and i realized everytime i tuned it the g and b strings were in tune, but wouldnt sound in tune when i played certain chords, so i fugured it was the intonation, took it to my local guitar shop and ask the guy to fix the intonation, after that, it still wasnt fixed, i could see he fiddled with the bridge, but still nothing. So any suggestion? Im kinda scared to fix the intonation myself, i dont want to mess it up. thanks.
He did not adjust the intonation correctly. Not to rag on the tech, but is it possible he did not know what he was doing, or just messed with the bridge a second to blow you off? Take it to another tech. Unless the neck or bridge is majorly screwed (frets misplaced, bridge misplaced, etc.) it is easy to adjust intonation on a LP. I'd go ahead and get a complete setup.