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bandersen , the pin 9 would be hv and i checked that right off the 1b3 and its at 5kv and pin 5 is focus and dont know if it makes much difference but the focus works very good on this crt even though its dim. the brightness i did check but an exact voltage i would have to check again but at 0 volts IIRC is full bright and the pot goes to .8 volts. i really hope i missed something here and these crts are infact good. there is one thing i dont understand is at the 6sL7 pin 5 there is a cap to ground, looks like a small dog bone type and its about 1/4 inch long and its got colors on it and at random it will arc between the leads and i dont know if this has anything to do with anything although im sure its not supposed to arc this way. it seems there is hv there and is seeking ground. well if i did miss things here i certainly want to find out, i dont want to condem these crts if they are not bad. ok i just revised the bright voltage 0-220 v , A1 is right about 1600v vary with focus control, A2 just touching 5kv.
Last edited by timmy; 03-10-2015 at 08:09 AM.
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