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-   -   porthole flyback shorted - any replacements ? (http://www.videokarma.org/showthread.php?t=259045)

kramden66 08-04-2013 05:31 PM

kvflyer good luck with it , the amount of capacitors is nothing compared to some dumonts and rca sets , beware of mica looking or micamold caps that are really paper/wax type values like .001 , one i missed in my set caused the whole vertical to not work.

Eric where do they sell that stuff ? wont hurt to apply it maybe it will cure it .

btw those pics show the set not totaly adjusted as far as vert and horz and the contrast is up all the way , shows that the crt had better days but watchable with a brightner , without it the image slowly gets a little darker and less blacks or if started up from being cooled off its just darker and less blacks.

mike

kramden66 08-05-2013 12:22 AM

oh now you can see my test pattern in the picture - the sonar circle in the begining of voyage

mike

cbenham 08-06-2013 10:13 PM

Quote:

Originally Posted by kvflyer (Post 3078159)
Mike, BTW, my porthole had a 10 amp, yes, you read it correctly, 10 amp fuse in the horizontal section. I think it would be what one would call a "NoBlow" fuse...

I would replace that 10 amp fuse with what ever is noted in the schematic or on the chassis. Usually a 0.25 amp type.

The 10 amp fuse could cause a fire and that would not be a good thing at all.

John Marinello 08-16-2013 10:35 AM

Your pictures look keystoned, so you likely have shorted windings in your yoke.

old_coot88 08-16-2013 11:30 AM

Looks more like perspective effect from the camera angle.

kramden66 08-16-2013 09:09 PM

yes odd angles , it is laying on its side and difficult to take pics head on


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