[Hallicrafters] S120


Brian brian.corkin at gmail.com
Wed Feb 15 22:46:39 EST 2012


Hello all...i have an s120...radio is in good shape all around but i have a nasty hum that i cant seem to pin down...the unit has been recapped papers and elecs...the rectifier has been replaced..all tubes chked and even swapped one at a time to no avail. I have a nice shcematic that show voltages...and none of mine meet the schematic...all voltages are low. Also when its on the power resistors get nice and hot...esp the 220 one...i chked them and they are both inspec...voltages going through the ps are also low. Kinda at a loss as to where to proceed next.  Thanks Brian

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