Harman Kardon HK680 Technical Manual page 48

PHEOO \
24
P.C. BOARDS
MC VERSION (Factory setting) MM_ VERSION
PHONO PHONO
L701,L702 =——~ Delete
C701,C702 =——® Delete
R715,R716 =———® Delete
Add 2 jumper wires (JP) along dotted lines
WIRING DIAGRAM