Donkey Kong scrolls few minutes till warm

Mr Do

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What pot and value is the culprit to cause a left/right scroll for 3 minutes until it warms up?
 
probably not a pot but rather needs a cap kit and reflow on the monitor
security0001 has the cap kits
 
Usually caused by old electrolytic capacitors. Is this happening before or after you capped it?

Along the same lines as what Ken is saying, I had a DK monitor that had the same symptom. I replaced the positioning pots on the PCB and maybe even replaced the H-Hold pot for some reason. Turns out it was a bad cap. It had been recapped but ONLY the "get well" cap kit, not the full kit. Replacing the rest of the old caps fixed it.
 
pot

I will try swapping a pcb into it to determine if it is pcb or chassis.

I will report back by monday.
 
Along the same lines as what Ken is saying, I had a DK monitor that had the same symptom. I replaced the positioning pots on the PCB and maybe even replaced the H-Hold pot for some reason. Turns out it was a bad cap. It had been recapped but ONLY the "get well" cap kit, not the full kit. Replacing the rest of the old caps fixed it.

yup that is exactly why ALL my kits are complete with all electrolytic capacitors.
 
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