JL J2-1000.1 Resistor getting overheated

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Has anybody had any experience with this amp, or possible a diagram for it.

Powers up, green light comes on, R300 starts smoking. R300 ties the ground from the Neg power supply, to the negative speaker lead.


Thanks 🙂
 
I was wrong about the resistor number and location, its r337, and it supplies the secondary voltage to the regulator transistor. And off that was a shorted zener diode.

Anybody know what a single yellow band is?
 
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