Hello, I just have a Tascam m30 for very low money and I would like to clean it up.
The Lights are OK, Most of the channels are good except one and a bus which are very very low! (Are they dead?)

There is some dust on the console and I believe, inside...

So I will open it (I already remove all the pots) and check this out but I have no idea of what I have to do!
Can you tell me what is good to do and what is not please!

thanks