ok. Definitly not good. Maybe ill find a way to disappate some of the heat, a spreader of sorts. or an extra fan(s)
What about the output transistors heating up like that? Is is just beause ii dont have them clamped?
All the signals and voltages look the same as the rub1600.1? I ordered it beacuse i have been so stumped as to why this noise persists despite all my changes.
Not sure what else i can do.
What about the output transistors heating up like that? Is is just beause ii dont have them clamped?
All the signals and voltages look the same as the rub1600.1? I ordered it beacuse i have been so stumped as to why this noise persists despite all my changes.
Not sure what else i can do.
Confirm that the speaker negative is secondary ground and if so, ground your scope to that.
The output transistors with the large drivers and outputs heat up without clamping them. It's possible that you could reduce the idle current by changing the resistor in the constant current source on the driver board but without fine tuning, you may have some distortion in the output.
Adding a fan or adding clip-on heatsinks (with thermal compound) will reduce the driver temperatures. If you do this, replace the MPSA42 drivers and leave the leads long to reduce the heat getting to the driver board.
The output transistors with the large drivers and outputs heat up without clamping them. It's possible that you could reduce the idle current by changing the resistor in the constant current source on the driver board but without fine tuning, you may have some distortion in the output.
Adding a fan or adding clip-on heatsinks (with thermal compound) will reduce the driver temperatures. If you do this, replace the MPSA42 drivers and leave the leads long to reduce the heat getting to the driver board.
Did you get it fixed? I have 2 of these soundstream Rubicon 2500.1 1 new in plastic an hooked 12v into neg an neg into 12v and smoked it other just stopped working. I need them repaired.