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There are two issues, the first is a vertical deflection problem, "needs a few parts+an ic" the second problem is intermittent color, "crystal and color processor ic" If the set is close to 10 years old then your money is better spent on a new tv.
There is some short in the inside circuit of your TV. Horizontal output transistor may be leakey. Replace it with a new one of same type and number. If it doesn't rectify the problem, LOT should be replaced.
The problem is in the vertical section of the main board. Bad capacitors and maybe the vertical IC. If you are not inclined to be a tech you will have to take it to a shop.. I don't know what they may charge but I normally get $69- $89
This is usually a bad elect capasitor or a bad solder connection on the vertical IC, The capasitors will be close to the vert chip..Sometimes you can clear problem with a light tap on the TV, if so then suspect bad solder.
That sounds like simple ring-cracks in the vertical circuit, most likely the vertical Ic itself... On the printed circuit side of the Tv look at the vertical Ic and examine it carefully under some magnification where each pin of the Ic solders to the board. See if you can find any cracks in those solder connections.
whenever you see horizontal line please reduce brightness of your tv for safety of crt.
your problem in vertical section only mostly due to loose contact in
connector,print or loose components.
have a Mitsubishi TV 1993. Model CS-35301. The problem is that there is a white line that is running through a blank screen. The sound is fine just no picture. Have you heard of "Vertical Collapse?"
I would love to save the TV.
nothing to worry just minimise brightness to avoid screen burn.
means one bright hor.line in the middle of screen.
this problem can be solved
1 check vertical yoke connector or wire loose
2 check supply to vertical section which normally comes from EHT transformer
check components in vertical section or print loose
The quick horizontal line through the center of the screen usually denotes a failure in the vertical output circuit, and that would keep the set from staying on. You would have to take it to a repair shop for repair.