I sent an MP-2 to Sound Devices to fix a couple of things that needed fixin on it. I told them that I picked it up used and it wasn't in really great shape. The tape-out didn't work (no signal coming out), the external power jack wasn't working, and I wanted the mod for NiMH rechargables. The knob for the headphones was also noisy but I didn't want to spend a bunch of $$ on this repair so I didn't even mention it.
The give me a call w/ an estimate on the price & I OK the repairs. Two days later they call again to say it's fixed an on its way back to me. I open the box and the packing slip says:
Replaced tape out jack
Replaced battery spring
Replaced DC in jack
Replaced headphone potentiometer
Unit passed all tests
Parts/Labor: $25.77
& they even gave me a new owner's manual. Haven't tried it out yet but I'm really impressed with their customer service.