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Gassy 6E5?

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Post by Wildcat445 Tue Mar 17, 2015 3:05 pm

The 6E5 eye tube in my Magnavox Imperial stereo has developed a strange fault.  When the stereo runs about 6 hours or so, and gets screeching hot, the image on the eye tube is outlined in a brighter image.  The tube still works, the radio works well on AM and FM and the stereo functions all work.  When the tube and the instrument are cold, the eye tube displays normally.  It looks kinda cool, but I'm sure this is not normal.  One would suspect an electrical component of some sort if it did it all the time.  Anybody ever seen this happen?

Gassy 6E5? Dscn3015

Gassy 6E5? Dscn3016

The first shot is with the radio tuned to FM, the second is when I am playing a CD, with the function switch on "Tape."

BTW, if you resize your photos to 640 X 480 before you upload, the process is almost instantaneous.  

See the little black spot in the second picture? Right now, that appears like a little white cataract. The stereo has been on for about two hours.

WC

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Post by Bill Cahill Tue Mar 17, 2015 3:53 pm

Looks like gas.

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Post by 75X11 Tue Mar 17, 2015 4:15 pm

The only other logical fault would be an associated temperature sensitive component. I have more fingers than the number of devices I have used that have such indicators.
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Post by Wildcat445 Tue Mar 17, 2015 4:25 pm

Today, right now, the cataract appears to be moving. It is now almost down to the bottom of the display.

I strongly suspect a bad tube. This one is a NOS RCA and has not been in there a year yet. So much for NOS tubes, huh?

WC

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