[Hallicrafters] SX-101 Mark 3

Brad Hyde bhyde at hot.rr.com
Sun Feb 2 21:51:46 EST 2003


Hello all,
I have been trouble shooting an SX-101 Mark 3.  The BFO is not working.  I started checking voltages on the tubes and found that they were much higher than they should be.  I remembered having this trouble with a Collins receiver one time and the problem was with the filter choke.  Sure enough the resistance on the choke was 16 ohms instead of the 310 ohms expected.  So,  I took the choke out and tried to find the short,  but I am in over my head at this point.  Does anyone know where I can either get this choke rewound,  or get a new or used one?  I need a 8 Henry choke rated at 85 miliamps with a winding resistence of about 310 ohms.  
Thanks,
Brad 
W5BK

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