Icom IC-M803 - DSC OPERATION; Alarm Status Settings

10-4
L4M
L7M
REF
FOR
L2M
S27
L1M
D7361/D7362
PWR/SWR
DET
LPF
RL401
L6M
RL402
L5M
L4M
PDID1V
PDICL
STAT
PFID4V
LPF
43MHz
CURRENT
IC6502
DET
Q6702
PFID3V
HEAT
SENS
BUFF
IC6401
PFID2V
CTRL
Q6701
YGR
L7M
MRX
BUFF
IC6201
PFID1V
L5M
BUFF
IC6401
PON
BUFF
IC6101
PFICL
PFANV
L9M
L1M
L6M
THRM
LPF
1.6~2MHz
BUFF
IC6201
KEYS
L2M
BUFF
IC6402
BUFF
IC6402
PDID2V
CURRENT
IC6503
DET
L3M
PPID1V
FAN
CTRL
Q6501
RL352
L9M
RL251
RL102
RL351
RL202
RL152
RL401
RL302
DRIVE
AMP
Q6201/Q6202
DRIVE
PRE
Q6101
RL202
RL252
J20012
1
2
3
4
LPF
20~27.5MHz
RL151
F2
1 2
RL301
PWR
AMP
Q6301~Q6304
RL402
RL101
ATT
6dB
LPF
3~5MHz
LPF
LPF
LPF
LPF
2~3MHz
S13V
L3M
FILTER UNITPA UNIT
+14V[TUNER]
FROM MAIN UNIT
TO MAIN UNIT
P14V
PHV
[ANT]
DC 13.6V
TO MAIN UNIT
FAN
TO MAIN UNIT
Explanatory notes
TX Line
RX Line