(1) Brown R14 100K to B+ (2) Red R15 100 to pin 9 of U9 data in (3) Orange R18 500 to B+ (4) Yellow C47 pin 5 U16 demod section (5) Green R16 &17 - R17 100K to B+ - R16 100 to 8 of U12 data out (6) Blue 5 of U13 & 10 of U12 data in also enable (5) (7) Purple Ground (8) Gray Ground (9) White 12 volt supply