[Heathkit] Testing CRT's

David C. Hallam dhallam at knology.net
Mon Feb 20 12:04:17 EST 2012


Is there some way to test CRT's?  I have a SB-610 that I am trying to 
get working.  I replaced paper and electrolytic capacitors, and a bunch 
of resistors.  When I first turned it on I had a spot on the screen.  I 
left it for a little while and when I came back the spot was gone.  I 
have gone through the voltages and don't see anything that is way out of 
whack.  I will admit that my HP 410C is not properly calibrated on the 
HV range so all I can say about the voltages over 1000V is that they are 
present and probably within a 100 volts or so of what they should be.

David
KW4DH

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