Re: BU406D (was Wintron install: Does this look right?)

On Wed, 24 Oct 2001, Dan Rasmussen wrote:

> Hey,
>
> I'm following up to my own post.... I found the following
> on the archives (after my sig), seems applicable. I'm just
> not sure if that 21.6V on the 7824 is too low and I have
> other problems besides (possibly) the bu406d.
>
> In summary, the posting below states, even though a bu406d
> may test good, it may not be good and that the best way to
> check is to first get good readings from the 7824/7924 and
> then, if the HV still seems to be dead (as mine seems to
> be), try replacing the bu406d.

Are you sure the HV overvoltage circuitry isn't kicking in? This will
make it appear as though you are getting no HV.

To disable it, see:

http://www.arlo.net/vectorlist/archive/9810/0141.html

> My main question is this: is the -33 V from the 7924 and
> the 21.6V on the 7824 too far out of range for me to
> consider them good?

Sounds like it's out of range (and maybe be causing the overvoltage
circuit to kick in.)

>
> Dan Rasmussen

-- 
Mark Jenison
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