[Amps] AL-1200 Resting Current

[R.Measures]

>Folks -
>
>I finally got a chance to accurately measure the resting plate current on my 
>AL-1200 (See below) - its 12ma on CW (supposed to be 40) and 88 on SSB 
>(should be 150).  Does this sound like bad Zeners?
>
**  A shorted zener raises the ZSAC.     would measure the filament CT to 
ground V to see what's what.  

cheers, Dana
>
>
>Dana Roode wrote:
>> Folks -
>> 
>> My AL-1200 repair efforts continue.  As you may recall, the parasitic 
>> suppresser came unsoldered and I had some sort of oscillation in the 
>> grid that took out the grid resistors, a resister in the grid meter, and 
>> my 756ProII.  It turns out it also took out my ARB-704 relay buffer, and 
>> last weekend the grid meter mechanism itself gave up the ghost.
>> 
>> Questions:
>> - After replacing the grid resistors, the resting plate current seems 
>> too low, maybe half of what it should be.  Is there an adjustment for 
>> this?  I'm not sure why it would have changed.
>> - I will order a new meter, should I put a diode across it to protect it 
>> in the future?  What kind?
>> 
>>   Dana
>> 
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>
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