EV CPS2.11 in Protect mode

[rextor]

Hi guys,

i'm have some EV amplifiers that are in "protect" mode. Before, i changed the thermistor and protect went off but not this time. please help..

[Jazz P Bass]

http://medias.audiofanzine.com/files...ual-470645.pdf
What have you checked?
Output transistors for shorts.
Power supply for stability.
This is not a simple amplifier.