[ARC5] BC-348Q CW Oscillator Question
Mark K3MSB
mark.k3msb at gmail.com
Tue Jan 12 18:50:16 EST 2016
Gentlemen:
I'm restoring my BC-348Q receiver. The resistance measurements I get for
the Plate (Pin 6) of the 2nd Det / CW Oscillator tube (V233) are way off.
Table D from AN-08-10-112:
CW OSC OFF: 500K
CW OSC ON: 5M.
My measurements:
CW OSC OFF: Infinite
CW OSC ON: 600K
>From sketching out the DC circuit path from V233 Pin 6, I come up with :
CW OSC OFF: Infinite
CW OSC ON: 567K
I'm wondering if the manual has the values flipped?
73 Mark K3MSB
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