|
|
|
|
|
#1
12-04-2018, 05:55 PM
|
|||
|
|||
|
[QUOTE=Electronic M;3206251]You should get a HV meter or probe capable of measuring at least 30KV...The difference between 18KV, 25KV and 32KV is hard to discern drawing an arc, but can be the difference between no picture/slowly killing the CRT by drawing too much current to achieve normal brightness, normal operation, and the fly arcing and shorting internally...In some cases, wrong HV can be much worse than excessive H output current.
I got a two size plastic hex tool in my possession now. I also have a NIB Rca 3a3c hv rectifier coming in the mail. So now I can correctly adjust coils without breaking them. 
|
|
#2
12-16-2018, 10:33 PM
|
|||
|
|||
|
Well I believe Im on the right trail diagnosing this problem. I have my nib sylvania 3a3c, a thordson nib horiz eff coil, and my hex tool. I was looking at the schematic thinking why after it warms up the cathode current becomes excessive. So I thought I should make sure everything between the horz oscillator and output tube is in order. I found a .01 cap going to the grid of the horz op tube. Said cap had broken solders. So Ive stuck a new .01 in place. Also I plucked the damper tube and noticed little cruddies shaking around in it. My precision 10-12 cant test compactrons without an adapter but I dont think little bits of crap jingling around in a tube is a good qaulity. I dont have another tube so I have not fired it up again to see if thats made a difference.
|
 |
|
|
Hybrid Mode
