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change ps 613u pots
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fxkl47BF:
i acquired a non-working ps 613u power supply
two 2200uf caps had exploded
i replaced them and it appears to be working
my complaint is the voltage and current pots are very sensitive
it's near impossible to adjust them with any precision
i'm thinking to replace them with multi-turn pots
is this a good idea or a waste of time
Swake:
Yes it is a good upgrade certainly for the voltage, somewhat less useful for the current.
You can use a multiturn pot or add a second 'normal' pot that will handle the fine adjust (about 1/10 or 1/20 the resistance of the original pot).

Which method is better for you is more a question of preference. The 2 pot solution is somewhat quicker but less elegant.



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