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Hantarex MTC 9000 image squashed vertically

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be77amyX:

Swapped out with the spare and the issue persists! what are the odds this one is faulty in exactly the same way? I could try a new one or test all the resistors in the area!

grantspain:

was the chassis working fine at one point?

be77amyX:

honestly I'm not sure. It was dead when I first got it, there was a wire broken on TH1 which I managed to get soldered back on which brought it back to life. The distortion I'm seeing now was definitely there last time I tried to fix it but not as bad I don't think. I played a lot of Galaga on it which is now impossible cause when the enemies fly over the warped bit the flight pattern goes mental. Could it be a problem with the tube? I don't mind replacing every component on the chassis if I have to but I don't wanna do that only to find there's an issue with the tube!

grantspain:

whats the reading of the vertical winding of the yoke? it should be around 12 ohms

be77amyX:

reads 14.3 Ohms. The schematic says 15 Ohms so I guess this is OK?

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