4 - 3
Lock voltage
adjustment
L9
Squelch
adjustment
R29
L4
L1
L2
L3
Reference frequency
check point
Sensitivity
adjustment
CP4
Reference frequency
adjustment
C57
Lock voltage
check point
CP3
Sensitivity
check point
CP1
Squelch
check point
DS1
External SP
connector
J4
• MAIN unit