marshall pa400 schematic

[sneakym8]

High
I am looking for a schematic for the Marshall PA400 powered mixer amp
I would be really grateful if anyone can post it or can point me...

[Big El Bass]

I have a Yamaha EMX5000-12 powered mixer and basically nothing works on it but the 2 AUX faders, no other faders or knobs are responding for each channel....

[zafatenapeach]

My Yamaha EMX 5000 -12 Powered Mixer was just worked on but did not fix the problem . A friend who also has the same board suggested to the tech to resolder...