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Old 03-19-2026, 04:07 PM
TinCanAlley's Avatar
TinCanAlley TinCanAlley is offline
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Join Date: Sep 2008
Location: So Cal, CA
Posts: 930
Need to Replace Convergence Pot

So a pot on my convergence board gave up its shaft. Not all the way into the pot, but close enough. Since the shaft is completely discolored at the break, I'm sure it's due to heat and could be the reason I'm having so much trouble getting the blue horizonal on the left side of the screen.

So here's where I need assistance. I have the Zenith OEM replacement kit. It comes with the pot, WW resistor and jumper lead. If I'm understanding the kit correctly, this pot is a replacement for other convergence board version and the entire kit needs to be installed. In my case the pot on mine is the same as in the kit, I have the jumper installed and there is a resistor located as in the instructions. However, what I have is a film resistor and I cannot figure out its value as the colors seem well faded and there are only 4 visible lines on it. I'm assuming the silver is the 5th line, so line one might be gone. I am attaching pics of the resistor and the pot as well as the instructions.

I'd also like to know if it's okay to cut the legs off the old and new pot and solder the new onto the old legs? Otherwise, I'm going to have a difficult time trying to remove and install 3 legs in the solder buckets.
Attached Images
File Type: jpg Convergence Pot.jpg (133.4 KB, 8 views)
File Type: jpg Convergence Resistor.jpg (98.6 KB, 8 views)
File Type: jpg Convergence Pot Instructions.jpg (95.7 KB, 8 views)
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