Studiomaster 12-2 schematic and insertmod?

[Sukane]

Hello. Im new and proud. I got this ****** mixer and im going to fix it and maybe mod inserts in this but i cant find schematic, someone help if you can? And type is "studiomaster diamond 12-2"

My mixer looks like this: http://www.google.fi/imgres?q=studiomaster+diamond+12-2&hl=fi&biw=1280&bih=709&gbv=2&tbm=isch&tbnid=HVe7LeiWjUrCpM:&imgrefurl=http://www.gumtree.com/p/for-sale/studiomaster-diamond-12-2-mixing-desk/86329145/gallery&docid=ywiThHuycHpSRM&w=593&h=445&ei=HadoTp-NJcmI4gTUuYXHDg&zoom=1&iact=hc&vpx=474&vpy=91&dur=1554&hovh=194&hovw=259&tx=149&ty=145&page=1&tbnh=131&tbnw=174&start=0&ndsp=23&ved=1t:429,r:2,s:0

 

[baadc0de]

All studiomaster desks I worked on, I liked But granted they were the bigger things with more channels.

 

[Sukane]

And allso what is transistor "a1137  sc"'?

 

[Conductor]

= 2SA1137

 

[Sukane]

Thanks for the transistor info. I foun schematic from musicpart.com http://www.musicparts.com/products.asp?Company=Studiomaster it costs 20$ can i trust in this website?