[Heathkit] sb-221 meter

[Larry Knapp]

Did you check the resistors that consitute the HV measuring?  More often than
not they are under rated & go high causing inaccurate readings.

73, Larry KC8JX
--- paul <mglassman@cinci.rr.com> wrote:
> ok hams, here is one to think about. i have a sb-221. good condition. high
> voltage meter reading not working. it will read relative power and grid ma. i
> jumpered in a new in box meter with the same results, so the problem is not
> the meter. i have a new harbach meter diode board and new tippin face and
> lots of paint on the back so its possible that the mounted stuff is not
> making ground contact.. i cleaned the 3 position wafer switch . no luck. any
> thoughts? tnx in advance paul w8jn


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