Yamaha DSP-AX1 10-Channel Amplifier "sec disconnect" Questions

My crown vid 4000 amplifier doesn't work.after switching power it goes off after maybe 2 sec.no speaker and input during powering. Same thing happen even there is speaker and input connected Check ...

sony receiver STR D635 goes to ''protect''mode about 10 seconds after powering up (STR D 635) receiver it goes to protect mode..how do I repair this problem?? any help would be appreciated Does the ...

5900 twospeaker wires touched and the reciever clicked off now when you turn it on it comeson for a sec. then clicks and shuts off. none of the fuses inside areblown what could be the problem When the

Hello ! one channel to have any high frequency oscillations. After few sec after ON , LEDs TEMP & ACS and relay disconnecting speaker . Regards Jerzy Purtak One of your op amps is probably gone or

on (even if it's muted) this goes on for at least 20-30 mins not continuously but whith about 30-60 sec of headroom. also when its playing it sometimes makes a small crackle noise. and last i can hear

...sec. then shut off. Bob Is this new equipment or a new problem on working equipment? Register and download the manual for free at retrevo.com ...