2 things.
1 thing it could be bad solder joints, but I am leaning towards a bad thermal-MOV(thermistor) that drives the degausser.
What happens is when the system is powered on, current flows through the degausser, which causes the MOV to heat up. As it gets hot, the resistance increases and causes less current to flow. this process repeats until thermal runaway exceeds the current that flows through, so the coil now "opens"
When the unit is off, this cools down. and therefore it can be degaussed again when it fires back up. Some monitors, this thermistor/coil isnt hot all the time. there is a relay that will engage this circuit. Relay clicks, and this same process happens with the MOV. then the relay disengages, giving the MOV time to cool.
This works very effectively. But the thermistor will stay hot all the time on a non-relay controlled circuit. It eventually burns up/goes bad.
When the solder joints break, or the MOV goes bad, you end up with exactly this.
1 thing it could be bad solder joints, but I am leaning towards a bad thermal-MOV(thermistor) that drives the degausser.
What happens is when the system is powered on, current flows through the degausser, which causes the MOV to heat up. As it gets hot, the resistance increases and causes less current to flow. this process repeats until thermal runaway exceeds the current that flows through, so the coil now "opens"
When the unit is off, this cools down. and therefore it can be degaussed again when it fires back up. Some monitors, this thermistor/coil isnt hot all the time. there is a relay that will engage this circuit. Relay clicks, and this same process happens with the MOV. then the relay disengages, giving the MOV time to cool.
This works very effectively. But the thermistor will stay hot all the time on a non-relay controlled circuit. It eventually burns up/goes bad.
When the solder joints break, or the MOV goes bad, you end up with exactly this.