[GreenKeys] CRT Question

Richard Knoppow 1oldlens1 at ix.netcom.com
Tue Sep 15 15:42:10 EDT 2015


     I can't find a schematic or handbook I can download hence the 
questions.
    Is the CRT magnetic or electrostatic deflection?  Does it have 
magnetic or electrostatic focus?  Is the focus bad in one area only 
regardless of the adjustment of focus and astigmatism controls or does 
it move around, that is, can you get it sharp in this area while it 
become blurred somewhere else?


On 9/14/2015 11:49 AM, Keith Densmore wrote:
>
> Greetings,
>
> Got around to playing around with a HAL 6850 Telereader that held down 
> a closet for years. Surprise, it seems to be working fine with one 
> exception. The green screen CRT has a good display except that on the 
> left side of the screen, the letters are widened out. Proper height 
> but they are stretched out to about three times normal size width. The 
> display becomes normal as you move to the right side.
>
> Wondering if any of ye olde TV guys might have a clue to the problem. 
> I've played with the adjustments inside the unit but can't tune out 
> this issue. Could send a pix of it if that would help.
>
> Thanks for any help
>
> ---
>
> New Outlook Express and Windows Live Mail replacement - get it here:
>
> http://www.oeclassic.com/
>
> ,
>
> Keith ve3ts
>
>
>
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-- 
Richard Knoppow
1oldlens1 at ix.netcom.com
WB6KBL

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