[ARC5] BC-348Q CW Oscillator Question

[WA5CAB at cs.com]

I agree that the Switch-Off reading should be quite high.
The chart doesn't actually say, but did you take your Switch-On reading 
with a dynamotor connected or disconnected?  

In a message dated 01/12/2016 20:29:24 PM Central Standard Time, 
arc5 at mailman.qth.net writes: 
> If that's what the circuit DC path shows, and the CW osc works,I wouldn't 
> worry about it. Probably is a typo. 
> 
> I was never fond of wholesale resistance measurements as a troubleshooting 
> tool anyway. Are you just poking around or is there an issue with it?
> 
> On Tuesday, January 12, 2016 6:50 PM, Mark K3MSB <mark.k3msb at gmail.com> 
> wrote:
> 
> 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
> 
> 
> 
> 
> 
> 
> 
> 

Robert & Susan Downs - Houston
wa5cab dot com (Web Store)
MVPA 9480
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