Sub-woofer quit working. Fuse is good and LED lights up but nothing works. Took out the amp and found that a ceramic resistor C61 on the board which seems to be a 5W1K ohm gets extreamly hot and the ICB has been turned a dark brown around that area. I believe the Sub is a ASW 10-120 (not sure as a coworker gave it up for dead and I am trying some CPR. Should I continue and how?
Audio Players & Recorders - KLH - ASW10-120 Subwoofer
Answers & Comments
If you can look at the underside of the board with the resistor on it, take a magnifying glass and look around the pins poking through from the components. It may be that the heat as unsoldered a component (be it resistor, capacitor or otherwise). Look for gaps in the solder around each pin, and if there are any holes around the pins, try filling them in with a little solder.