15v2000 HV Diode Sparks

troxel

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Donor 7 years: 2015-2021
Joined
Mar 19, 2006
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Lincoln, Nebraska
Just rebuilt this monitor, removed, and cleaned the HV diode. When I plugged in the monitor, it is making a hissing noise, and upon closer inspection the anode side of the HV diode is sparking. I put a light layer of dielectric grease before I plugged it in and have the banded side going to the CRT. I pulled the chassis out and checked connections on the diode and everything appears fine.

Any ideas on what to double check?

Thanks.
 
Took it apart last night, used compressed air on the ends, and regreased. Plugged it in this morning and the sparks and hissing is gone. Now I get a blank screen with tube glowing and LED off. Game is playing blind.

Any suggestions on the next step?

Thanks!
 
Got it working! Adjust the brightness pot a few times and a nice picture appeared.
 
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