NAD T973 Amplifier "power board" Questions

...power amp board. It blown the fuse. If I leave the power amp unplug. I can supply the full power to the main board. As soon as I connect the power amp board back. It blown the fuse. Hi there, sounds ...

...power board. One or more component are defective that's why it won't power on.This unit must have a power supply board in it where power enters from the mains. A capacitor, fuse, diode, etc ...

...power up. If the fuse blows, the problem is on the board and is very likely beyond your control (bad chip, tin whiskers, etc.). If fuse doesn't blow, power down, wait 15 seconds, attach a device one ...

...power section, and I have seen the fuse holders separate from the board. These were the 2-piece (per fuse) clips that solder to the board and the fuse clips into them. I'm not sure if you are talking ...

...power supply board. If yours is anything like the one a picked up for one of my bands, you can take the bottom plate off and see everything inside. Look for where the AC cord goes after the power ...

...Has Bulletin HIFI1-99-028R1 performed. (Add capacitor, replace resistor) also replace Q108 @ Q109 on power board. If that does not fix it then also replace PH101 & PH102. Also on Power

...A YEAR, WHEN I BROUGHT IT BACK DOWN FROM THE ATTIC IT DOESN'T SEEM TO WORK PROPERLY THE FAN AND THE POWER FROM THE AMP DON'T POWER UP OR WORK AND THE SOUND IS VERY LOW ON FULL BLAST, I THINK IT COULD ...

...board. is this a result of caps leaking? also vertical power boards have a dark red substance on solder side. any help? Here is description of problems and repair help ...

board what goes bad? I have a peavey cs800x A channel didn't work, relay didn't click.no power light .I swapped the drive boards,and now A channel works,but B relay doesn't click.So it definatly is in

...board back into the amp, connect the power supply, and power it up, there is a buzzing in the speaker for that channel. Also, the plus bank of transistors immediately start getting very hot. When I ...