I echo what Major Tom said. Don't go changing the machines yet as they may not be the cause of the problem.
I wish I was still out in L.A. as I'd offer to take a look at your axe for you but, alas, 3000 miles are now between me and my former Burbank home.
Still, you have a few good music stores and repair folks out there if you're willing to spend a buck or two to get your guitar checked.
The guy I used for all my work is named Norik Renson (818-761-4766). He's located near the Studio City/Valley Village area of the SFV and he and his co-worker, Brett, do some amazing work for not much money.
Be warned; he's VERY in-demand and quite busy (if nothing's changed from a year ago) so it might take him a day or three to check the guitar out but, imho, it's worth it to have a professional opinion.
Carruther's Guitar in Venice (310-392-3919) is another decent place. I haven't been there in years but they always did me right.
And then there's The Amp Shop/Splash Sound (818-386-5500) in North Hollywood on Ventura and Woodman. Great little store and I think the tech's name is Tina. She used to be at Guitar Guitar on Ventura before they burned down. I'd recommend her as well.
I hope this is helpful to you.