What Bob provided would be the better solution. The higher value (in
this application) doesn't cause any problems. The object here is: 1)
increase the ripple current capacity of the part which makes it run
cooler and last much longer, & 2) a larger (physically) part will have
more surface area which provides better cooling.
The higher voltage replacement (NOT in the Bob Roberts kit) only
provides benefit 2. Back in the Wells-Gardner days of vector monitors
we were forever losing the two main electrolytics in the HV supply. I
used to double the capacitance (NOT the voltage) and NEVER had to
re-replace the parts after that.
Total Impulse wrote:
>
> Working on an Amplifone (Star Wars) HV board. Current C1 and C2 are
> 470 uf x 50v. The FAQ recommends going to 470uf x 100v. However, my
> Bob Roberts cap kit has 1000uf x 50v in it for C1 & C2.
>
> I don't know why Bob's kit would have such bigger caps in it. Any
> recommendations?
>
> Thanks,
>
> Alan
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Received on Mon Apr 27 19:12:29 2009
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