behringer b300 unit

70sanson · 2016-07-04 6:22 pm

this unit behringer 300 rail vcc+ 0v , while rail vcc- is present 34v, how repair,solved this problem,
thank you very much help

kevinkr · 2016-07-04 6:27 pm

Check the rectifier, filter cap, fuses if present. Wondering about collateral damage to drivers, output devices and other components.

70sanson · 2016-07-04 6:31 pm

check rectifier is ok, fuse 2 , r5 150ohm is
thank you help

70sanson · 2016-07-04 6:34 pm

check rectifier, fuse 2 , r4 is ok
thank you very much help

70sanson · 2016-07-05 6:52 pm

change filter caps 6800uf/50v , I have no problem persists voltage vcc+
help please someone

70sanson · 2016-07-05 8:23 pm

also change caps c4,c11, c35, c23 i not have voltaje vcc+ 0v
help