I own an Ibanez ART 120 with IBZ-LZ active pickups.

The pickup selector has 3 positions:

\ | /
Neck, Neck and Bridge, Bridge

A few days ago I was playing in the bridge pickup and the sound simply died.
I was like this:
/ :no sound
| : poor sound (50% neck and 50% bridge)
\ : blazing sound!

Since they are active pickups i thought it was because of the batteries but I the realized that was not possible since it's 1 battery for all the pickups, so none of them should work.

I believe the problem is back contact somewhere in the electronic circuit. I'll take it to the local shop and see whether they can fix it but I COULD REALLY USE SECOND OPINIONS.

Thank you,
António Miguel Sousa
Dirty selector switch gets my vote, get hold of some Servisol contact cleaner.
Actually called Mark!

Quote by TNfootballfan62
People with a duck for their avatar always give good advice.

...it's a seagull

Quote by Dave_Mc
i wanna see a clip of a recto buying some groceries.

take a look inside and just see if all the connections to the switches and pickups are still held together.
Try moving the pickup switch back and forth constantly for a few minutes
Yes, they are.
This comes and goes. It doesn't happen every time. Thats why I tough about bad contact.