Question about Sony FD Trinitron WEGA KV-20FS120 20" TV
Blinking picture, began as occasional now all the time. also bars running on diagonal,
A common cause is a short in the electron gun inside of the CRT neck. This is not fixable without changing the CRT. The CRT is terribly expensive to replace if it was available.
A less common cause is a failure in the HV multiplier. This is part of the flyback assembly. Changing the flyback assembly is taking a gamble to see if the fault is fixed this way. There can also be some other support components that will have to be changed.
Considering the age of the set, I would not invest any money in to it.
Posted on Jan 17, 2009
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Posted on Jan 02, 2017
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