Icom IC-M604 Service Manual page 33

SECTION 9 BOARD LAYOUTS
9-1 VR UNIT (TOP VIEW)
W1
3 GND
VOL2
1
VOL1
to AF unit J6
9-2 SQL UNIT (TOP VIEW)
W1
1 SQL5V
SQLV
3 SQLG
to LOGIC unit J7
9-3 DIAL UNIT (TOP VIEW)
W1
5 GND
DIAL4
DIAL3
to LOGIC unit J7
DIAL2
1 DIAL1
9-4 CONNECT UNIT (TOP VIEW)
V25
1 2
J5
to AF
unit W6
V20
V15
V10
V5
V0
H0 H5 H10 H15 H20
• CONNECT UNIT (BOTTOM VIEW)
COMMAND
MIC2
H80 H75 H70 H65 H60
to AF unit J4
20 2
J4
19
H25 H30 H35 H40 H45 H50 H55
COMMAND
MIC1
H55 H50 H45 H40 H35 H30 H25
9 - 1
to LOGIC unit J6
6 1
J6
1
H60 H65 H70 H75 H80
GPS
V25
V20
V15
V10
V5
V0
H20 H15 H10 H5 H0