Icom IC-M803 - DSC OPERATION; DSC Settings Overview

SECTION 10 BLOCK DIAGRAM
10-1
S1
POWER SW
X9091
9.8304MHz
RAM
IC9121
SP1
RESET
IC9091
IC9402/Q9402/Q9405
CLONE
I/F
TENKEY
SW
SELECT
SW
DS9001
LCD
MODULE
IC9051/D9051
LCD
DRIVER
LED
DRIVER
IC9071/D9071
DS9071~DS9086
AF
MUTE
+8
REG
IC9252
+3.3V
REG
IC9254
FRONT
IC9001
CPU
Q9408
MUTE
CTRL
Q9401/Q9051
PWR
CTRL
MIC
AMP
IC9301
PWRK
8V
H13V
DIAL UNIT
FRONT UNIT
FAF
MIC
MIC
FPTT/M2AD/M3AD
FAFMS
HV
HV
VOL UNIT
L3V
H13V
JACK UNIT
FMOD
LTXD
LRXD
L3V
LRXD
LTXD
DIAL-A,B,P
VOL-A,B,P
ICFRXD/ICFTXD
Remote controller Main unit
TO MAIN UNIT
Explanatory notes
TX Line
RX Line