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Old 10-07-2022, 05:03 PM
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timmy timmy is offline
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Join Date: Jan 2011
Location: Delaware ny
Posts: 3,697
Quote:
Originally Posted by zeno View Post
Blanking tubes can cause some strange problems. Try one ( 6BL8 ? ).

CRT sockets often go bad on the focus pin. Especially with excess F
voltage over time. They usually smell, problem is the spark gap.
Sockets are all pretty much the same. ! K resistors then the CRT
connection & the spark gap. Sub almost any to test BUT be sure its
off a high focus ( 6KV ) set.

As I remember no scope or analist. Means you you cant trace or inject.
In the day almost every set was fixed with just a Simpson 260 BUT
once in a while you had to get out the big guns.

Zeno
I disconnected the focus wire altogether.
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