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finding a new belt for Yamaha mt2x 4 track

hi there,

I came across one of these in a music store for $15.. but it was diagnosed that it needs a new belt. I know this might not be all that's wrong with it but if that IS all that's wrong with it, I'd be willing to buy that and open it up, but my question is does anyone know where I might find a belt for it?

A&H GS3000 mpu problem

I have a GS 3000 console turn of the century stuff. The Mute mpu board has gone out part 002-347-1 so all the mutes seem stuck off and mute and status leds are stuck on. No LCD. Everything else works.
Need to find a replacement or figure out how to fix it. The pcb makes use of a P80C32 40 pin chip and what appears to be a 5v power supply.
Any ideas?

Does This Switch Wiring Work For What I Want?

I want to break a signal path which has no discrete components in it as of now. I want a 3 position toggle switch to have the options of Stock (signal pass through), Resistor 1 (signal path broken and routed into Resistor 1), and Resistor 2 (signal path broken and routed into Resistor 2). I've been pondering this, but I think I have figured out how to do it.

dbx 386 Power Transformer

Hi there! I have a dbx 386 dual channel tube preamp. It was out of service for some time and when I recently put it back in the rack only a couple of LEDs turn on. On inspection it seems that the larger of the two transformers supplying power to the PCB has transformed into a Gandalf No-Pass Filter ("None shall pass!"), i.e. voltage in to the transformer is good, voltage out is 0.