XForce 1KW supply voltage.

[Shockwave]

Sorry, I didn't read through all the posts before posting.
There are to-3 can voltage regulators too that can run 3 amps and not have to use three 1 amp regulators.

Another option is to take the output of the one amp regulator and feed it into the base of a much larger NPN transistor. Tie the collector of that transistor to the unregulated voltage and the emitter will supply much higher current at regulated voltage. The transistor will cause a 0.6 volt drop in the output voltage, which can be compensated by adding a diode in line with the grounded terminal of the voltage regulator.

 

[Jim5570091]

With the output tuning capacitor still installed the outer and inner are ringing common. Do I need to unsolder one end and recheck?

 

[Shockwave]

With the output tuning capacitor still installed the outer and inner are ringing common. Do I need to unsolder one end and recheck?

Yes you need to disconnect the capacitor to test it for a short because, it will read a short through the combiner and secondary winding of the output transformers. If that part checks out along with the three capacitors across the input coil, you should consider running a low-power test where you just drive it with the radio and see if you can feel any temperature at the transistors. This will tell you right away if the failure is on the input side or the output side of the amplifier.

 

[Jim5570091]

Thanks shock wave. I’m working 12 hour shifts and drive 1 hour each way. So I’m having little time to work on it. I’ll post what I find. Your awesome.

 

[Jim5570091]

Wanted to verify the suspect caps. They are the ones circled red? It’s a 10 pill so there are 5 of them. The tuning capacitor checked out. And the radio test produced no heat on the transistors. Thanks again 73’3