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This Columbia is getting weird now there is no focus voltage on pin 6 but yet the picture is not that bad as far as focus and there is no jumper on the crt and no magnet on the neck how can this be.the schematic don’t show where focus voltage comes from just says if using electrostatic tube then use pin 6. This chassis has a focus pot and an electrostatic tube but schematic I have shows no focus control because it shows the magnetic tube.
Last edited by timmy; 03-30-2025 at 07:00 AM.
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