One of the worlds most iconic guitars, the JEM pushes the boundaries of what a guitar can and should do. In the hands of the adventurous musical warlock, the JEM is the scepter that opens doors, alters time and space and reveals the mysteries of the forbidden notes.
I have tried many electric guitars into a music shop, but for this price I wasn`t come face to face with better, for me. I bought one new, last year. The playability of my guitar is great, and it sounds good. Well, Ibanez JEM 555 is a pretty good guitar, in my opinion.

But, probably you came to this page, while you have a trouble with tremolo setup and in all probabilities your guitar not stays in tune. Yes, this edge tremolo made a lot of pain for me too, since entire guitar set up depends rather on the setup of the bridge.
So, how to correctly adjust the tremolo?

Before you begin adjusting the tremolo angle , you need to set the tremolo height you want. It means strings height on fretboard. Because, height changes affect tension and will change the angle. Likewise, changing the strings or neck truss rod tension, changes tremolo bridge setup.

Setting up the angle of the tremolo unit

The tremolo unit will operate optimally when the tension of the strings balances the tension of the tremolo springs installed inside the guitar body so that the tremolo unit is parallel with the guitar body.
First remove the tremolo spring cavity cover plate from the back of the guitar, for adjusting spring screws. If possible It can adjust through holes in a plate, without removing a cover plate.
If the tremolo backside is sitting too low and the angle needs to be brought up, you need to release tension from the springs. If the back of the tremolo is too high and needs to bring the angle down, you need to increase the tension the springs apply. Retune the strings and check the angle of tremolo bridge. Repeat a procedure until you get correct adjustment.
Screw or unscrew the screws for minor adjustments to 1/4 turn.If it needs major adjustment then much more.
After changing the guitar strings, these will drag out, and you need to repeat adjustment.
It`s a little hard do to until you improve your skill. Even so, afterward it`s no sweat, to setup you guitar tremolo.