Quote:
Originally Posted by Retired
Hi,
I'm wary of taking voltage readings near the LOPT but both 30P4 and U191 were lit up is it OK to take voltage readings on both these valves with my DMM?
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It's a while since I worked on a (Valve) TV.
Two quick tests are for a healthy negative voltage on the 30P4 grid, which means that the line oscillator is running, and a voltage on the screen grid. The feed resistor was a common problem here.