Re: S-20R circuit "analyisis" difficulties

don Root All Messages By This Member #31946 Edited Thanks Tom for New schematic? .. did he just do it?? C38 does not seem to be connected as in Richards version.. see below please verify one way or the other. toggle quoted message Show quoted text From: [email protected] [mailto:[email protected]] On Behalf Of Allthumbs via groups.io Sent: Thursday, March 6, 2025 7:57 PM To: [email protected]; don Root Subject: Re: [HallicraftersRadios] S-20R circuit "analyisis" difficulties ? Hi all, ? Attached is a pdf of a crystal-clear re-drafting of a S-20R schematic. Perhaps it will be of use to anyone working on one of these sets. ? All credit to the author whose username on the Antique Radio Forum is bcascisa ? Tom On 03/06/2025 3:36 PM PST don Root <drootofallevil@...> wrote: ? ? An aside from ongoing topic ??S-20R mixer cct. ?… While trying to “see” how the LO circuit works? things got me in a big knot. C38 seems to run from some osc tanks back to the mixer RF tank area. When I follow that I get to? the common [not ground] of the coils/transformers RF tanks? and found them to be floating = strange to me. I am using Richard’s posted Handbook [ ohh thanks? RICHARD, GOOD SCANS] ? IN ORDER TO separate lines so I could see I had to shift stuff and here is where I got.?? Maybe I got something wrong so need somebody to check my “re-draughting” ? -- don??? va3drl ? -- don??? va3drl

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