Icom IC-F3020 Service Manual Addendum page 29

April 2013
SECTION 9. SECTION 9 BOARD LAYOUTS
• MAIN UNIT
(TOP VIEW)
OPT2 OPT1 RES CPU5 MD2 GND
-BATV
-RSSI
-SDEC
-PODN
-MMUT
-DMO
VCC
DISC
VHF B6448F
• ANT UNIT
(TOP VIEW)
J1
ANT
(CHASSIS)
C803 C807
R801
L801
to PA unit
LVIN-
-MOD
+5V-
CDEC
BEEP
T5V
-VREF
-DIGI
-RMUTE
-MMUTE
• CONNECT UNIT
(TOP VIEW)
B6451A
C902
C901 L901
to Battery Connector
"J2" (CHASSIS)
16
MC1
DS2
L42 IC2
R94
R96
C111 C135 C303
C302
Q19
C139
R88
Q21 R116
R92
C400 R124
C401 R86
C436 C150 L33
R308 R380 C145 R100 R46 C69
C71
R110 C435 R91 C141 R45 R44
IC20
R42 C70
C413 C390
R55
IC9
R300
C384 C393
C394 R56
C387 R43
R51
C388
C66
R62 R61 C62
C78 Q8
CLI
R235
R379
C169
C412
DS1
R237 C168
C332
R272
EP11
J901
2 VCC
1 VCC
to PA unit
C185
R201 R122
R202 C81
TOP
S1
C206 L32 SWITCH
R97 C199
C30
C205 C202
C198 C203
R348
D4
R363 C155
Q42
R40
C327
L50
C326
C328
R233
3
J4
-AF-O
C321
J4
C333
1
to SPEAKER
"SP1" (CHASSIS)
• PA UNIT
(TOP VIEW)
R713
Q705
Q706
L705
Q704
MP701
C734 R705
C758 R706
The combination of top side and bottom side of this
4
2
L713
C746
C768
C708
C742
L703
D701
L708