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The first two adjustments may have some effect. If not, set them back like you found them.
There is a blue rectangular cap in the horizontal circuit that will swell up and there will also be a diode next to it that will be bad (may check good; but, will not work in the circuit). These parts can cause width/pincushion problems.
Also, check the power supply voltages and all electrolytic caps in the power supply.
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