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Old 08-13-2022, 04:49 PM
Chris K Chris K is offline
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Join Date: Jun 2022
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Quote:
Originally Posted by Kevin Kuehn View Post
One could easily pull V105 and see if pin 2 of the CRT swings positive(indicating shorted V105 cathode to plate). Also if C115 were leaking it could cause the plate and cathode to conduct hard simulating a short. If removal doesn't eliminate the negative voltage on pin 2, then your shorted socket scenario would seem likely.
I pulled V105 and CRT pin 2 went from -38V to +150V. Before I pulled it, the voltage on pin 7 was -85V. BTW, the funky voltage on CRT pin 11 was because of the position of the brightness control. It is 225V and correct when the pot is in the max voltage position.
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