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  #34  
Old 06-01-23, 03:37
David Dunlop David Dunlop is offline
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Join Date: Feb 2006
Location: Winnipeg, MB, Canada
Posts: 3,584
Default Sender Resistance Testing

Earlier this evening, I finally found the last component I needed to investigate related to the abnormal test results I was getting for the V1J Speech Amp circuits in the Sender.

The component was resistor R49A, related to the V1J Plate Load and I had to remove the T2A Transformer, once again, from the rear skirt of the Sender chassis to reveal its location. I had suspected it was hiding back there at the very start of this quest, and had actually looked with a small, flexible mirror behind T2A, to no avail, so I went on to track down all the ‘easy’ stuff first. More on that later.

In any event, to save anyone else hunting for this resistor down the road, here is a photo of what it looks like and where it hides. It is rated at 100 KOhms, with a +/- 20% tolerance at 1/2-Watt. This one tests out at 126.4 KOhms, so is now on my “To Be Replaced” List.


David
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File Type: jpg V1J Resistance Test Photo 5.JPG (312.2 KB, 0 views)
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