Quote:
Originally Posted by radio nut
I am working on a zenith 7s558 chassis 7a02. Recapped the set and it ran. Sprayed electronics cleaner and ran it more, then it quit. Found what looked like a mica cap that was bulging and removed it. Here it was a wire wound resistor.
Replaced it with a 3 watt resistor and I get nothing but a little hum with the volume all the way up. My digital voltmeter is showing 60 volts positive b+ on the positive side of the electrolytic caps and 302 negative on the ground side. The electrolytic caps ground in the circuit and not to the chassis.
Well, what do I check now?
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The schematic shows a 250 ohm WW resistor 1.5 watts, 3 watts OK! Is it a 250 or so ohms.