[AMPS] LK-500ZA Question

[Bob & Linda McGraw K4TAX]

Never could understand why a design would not connect B- direct to
chassis.  Unless it was they figured they could use cheap meters to
measure anode current.  I'm for puttin' the anode meter in the anode B+
line where it belongs.

73
Bob K4TAX

Mark S Graalman wrote:
> 
>   I just got a LK-500ZA in for repair, the bypass cap
> at the plate choke had failed and it took out the
> grid shunt. According to the paperwork I have on this
> amp the values of the shunts are simply "factory selected"
> does anyone know what the value is?  If not, I guess
> I'll have to do it the hard way.
> 
>  What a crap design, no method used to prevent
> the B- from rising above chassis ground in case of a B+
> short.
> 
> Mark  WB8JKR
> 
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