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IF can rebuild questions
#1

        10/25/20  Radio:   53-1750  

One of my IF cans has mica disease.  The radio sounds great until it heats up after about 20 minutes, then I get nasty static and I can see arcing inside the bottom of the can.
I want to rebuild it.  I have watched videos on how to do this but need clarification.   Each side of the can has 3 terminals.  On a known good can from another radio, the capacitance between the 2 terminal ends on each side measures  3.5pF. 

On one side, if I measure the capacitance from an end terminal to the middle, I get 116pF and on other opposite side, if I measure an end terminal to the middle I get 55pF. 

So , if I rebuild this thing,  I remove the mica, and then, where exactly am I soldering in the replacement capacitors on each side?  Should I be using two 3.5pF capacitors and connect the terminal ends on each side or is there something I have to do withe middle terminal as well?  In my radio (53-1750), one of the middle terminals on 1 side is not even used.  

Thanks,


Messages In This Thread
IF can rebuild questions - by ODPILOT - 10-25-2020, 06:16 PM
RE: IF can rebuild questions - by Radioroslyn - 10-25-2020, 07:31 PM
RE: IF can rebuild questions - by ODPILOT - 10-27-2020, 01:16 PM
RE: IF can rebuild questions - by Daniel Bingamon - 11-14-2020, 02:36 PM
RE: IF can rebuild questions - by Radioroslyn - 11-14-2020, 03:49 PM
RE: IF can rebuild questions - by RodB - 11-14-2020, 07:53 PM
RE: IF can rebuild questions - by n1ps - 01-02-2021, 07:30 PM



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