[GreenKeys] ST6 Autostart debugging
WA3FRP at aol.com
WA3FRP at aol.com
Mon Jul 31 08:53:40 EDT 2006
Hi Eugene,
Look on the ST-6 schematic for Test Point 2 as that hexagonal box with the
number 2 in it where CR2, CR3 and C2 come together in the
discriminator/detector circuit.
I am pretty sure that U5 is OA-5 in the autostart circuit.
If you can't find a replacement pot, can you salvage the old one by
soldering extension wires to the legs of the pot and then wire it to the PCB? It's
a set and forget pot so you shouldn't have to get back in there again.
Good Luck!
73
Russ
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