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Author Topic: A3000 Scan Doubler problem.  (Read 4412 times)

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Offline Noster

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Re: A3000 Scan Doubler problem.
« on: February 27, 2004, 12:09:58 PM »
Hi

> by Castellen on 2004/2/24 19:35:25

> You shouldn't really worry about using a non-metallic screwdriver as the brass
> screw of the pot should be electrically isolated from the circuit.
> There's no high frequency RF circuits in that region which will be effected
> by a metallic tuning tool either.

No, you should really use a non-metallic screwdriver (or one with a really small metal plate at the top), if I try to tune my flickerfixer of the A2000 with a normal metal screwdriver [Ok, I've not tested with the A3000T, but there is no need for tuning and I don't start testing it now :-)] I could bring the picture to stand, but in the moment I remove the screwdriver, the picture begins to run.
With the plastic screwdriver that is shipped with the A3000, it works.

So even if you have to resolder the pot, you should also use such a plastic screwdriver for tuning.

Noster
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