Monitor picture shrink-flicker

Vongoosewink

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Here's a question for the experts... the picture on the monitor of my Turkey Shoot seems to shrink by an inch or 2 every now and then -- just for a second, then it pops back into full-screen. Almost like an occasional flicker, but just in size.

This is occasionally accompanied by a loss of blue by about 50%, but not always.

Anyone have an idea what this could be?

Please help me fix this Turkey!
 
Here's a question for the experts... the picture on the monitor of my Turkey Shoot seems to shrink by an inch or 2 every now and then -- just for a second, then it pops back into full-screen. Almost like an occasional flicker, but just in size.

This is occasionally accompanied by a loss of blue by about 50%, but not always.

Anyone have an idea what this could be?

Please help me fix this Turkey!

Sounds unfixable......I'll pick it up from you....no haul-a-way fee!:D

If it's a WG4600 series, the "shrinking" could be loose daughter cards or cold solder at the daughter card connectors.

Blue missing......could be the tube.....or cold solder in the blue circuit (driver transistor would be my first suspect)....or cold solder at the video signal connector header.

Edward
 
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