Quote:
Originally Posted by Electronic M
Measure the voltage on the grid and screen grid of the horizontal output tube.
The grid will tell you if you're horizontal oscillator lives and the screen can give info on whether there's issues on the flyback side.
The entire horizontal system has to work for there to be HV. It's typically much faster to troubleshoot that system than it is to shotgun parts (though replacement of paper and lytic caps is probably wise).
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I'm not sure if it's the vertical or horizontal oscillator that's running but one of them is running for sure because I hear a high pitched whining noise coming through the speaker.