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In Reply to: Re: ARC VT-100 Mk III, now I'm confused posted by boneman on December 31, 2005 at 18:19:34:
Thanks, I just looked in with a flashlight and saw that the pots are, indeed, numbered. It’s incredible what you can see just by looking! What with all the grocery shopping, etc. today I didn't have time to buy the multimeter, etc. so the whole exercise will have to wait until after New Year's Day. I bought the amp used and the tool wasn't included. What does the tool that ARC supplies with the Mk III look like? I can see the tool that is used on the Mk II in Abe Collins' instructions, but since the trimpots are now all at the front and the transformer is just next to them I presume the tool must be a lot shorter? Hope I can find something locally in a short, non-conductive screwdriver.
Follow Ups:
Some are black, some are tan, whatever... Basically it's just a plastic shaft with a metal blade protruding out on one side. The other side also has a metal blade but it is recessed within the plastic shaft. This end works great for those tiny trimpot screws. Since the blade is recessed, the tool doesn't slip off the trimpot screw while you're turning it. You can try RadioShack, Jensen Tools, or most electronics shops.
The tool looks like a tan thin pencil with a small flat screw driver blade on the end. I think it is actually plastic so that it is not conductive with just the very small metal blade on the end which fits the trim pots nicely.
Chuck
Thanks, I'll see what the local shop has.
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