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If I'm reading the schematic properly (5-303J - Elektrotanya), then the yoke unplugs.
With the TV unplugged from the power, unplug the yoke and verify the yoke's horizontal winding continuity between the red and blue wires on the yoke plug. Not sure what the resistance would be here but under 20 ohms likely.
Next, with the yoke still unplugged, measure the resistance across the H pins on the connector where the yoke would plug in. This will be the flyback primary and should also be pretty low resistance.
To verify the wiring on the chassis, unplug the power and connect one end of your meter to the power switch (on) and the other to the collector of X21 horizontal output. This should read under two ohms.
Measure the switch (on pos) to ground. If it reads short, the horiz output probably shorted out.
EDIT: since you had a vertical line indicating some HV but no horiz deflection, and since the horiz windings are directly across the flyback primary, I'm hoping you just have an open connection between the yoke and chassis. If this is a printed circuit, look for a cracked/ringed solder joint around the yoke plug.
John
Last edited by JohnCT; 03-29-2020 at 11:34 AM.
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