Block Diagram - Icom IC-M803 Service Manual

SECTION 10

BLOCK DIAGRAM

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