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#1
12-22-2013, 10:33 PM
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Can this FM detector even work?
I'm not getting any audio on my Delco experimental car TV. (The audio output amp works fine with an injected signal.) After tracing out the schematic of the FM detector, I'm wondering if it can even work. It doesn't match circuits I've seen for either the Ratio Detector or the Foster Seeley Discriminator. There is no center tap on the secondary of the transformer. Has anyone seen a detector like this? BTW, pin 7 of the 12AU6 goes to ground.
Bob D. Last edited by Bobby Dip; 12-22-2013 at 10:37 PM. 
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