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Today's Mystery Guest (RCA CTC-4)

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#10

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05-15-2015, 12:48 AM

Phil Nelson Phil Nelson is offline

Phil Nelson is offline

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Join Date: Jan 2006

Posts: 4,030

Here's the whole schematic in four parts:

http://antiqueradio.org/art/RCACTC-4SchematicPart1.jpg
http://antiqueradio.org/art/RCACTC-4SchematicPart2.jpg
http://antiqueradio.org/art/RCACTC-4SchematicPart3.jpg
http://antiqueradio.org/art/RCACTC-4SchematicPart4.jpg

The bit you're looking for is in Part 3.

In a nutshell, the outputs from T115 go to the grids of the R-Y and G-Y demodulators (V125). One of them also goes to the chroma phase detector (V120).

Phil Nelson

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