Icom IC-M803 - DSC OPERATION; Self Check Test and Procedure

11-2
J8501
1
2
3
4
5
6
78
COM
A
B
ED09D21MFB14.5A6C102016
S8501
DIAL-B
DIAL-A
DIAL-P
TO LOGIC UNIT
• DIAL UNIT
• JACK UNIT
GND
DIAL-B
GND
GND
DIAL-A
DIAL-P
J8602
J8601
1
2
3
4
5
6
7
8
9
10
11 12
PHO1
PMUT2
PHO2
PMUT1
PHE
PHO2
PMUT1
PHO1
PHE
PMUT2
PHE
GND
GND
GND
GND
TO LOGIC UNIT
AVR-M1005C080MT
D8562
J8561
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
CF20
CP8561
0.001
C8568
J8562
1
2
3
4
5
6
7
8
9
10
MIC
MICE
MICSW
SPE
PTTE
AF1
AF2
PTT
MIC&HANDSET
TO LOGIC UNIT
• MIC UNIT
• VOL UNIT
MICE
PTT
MICSW
PTTE
MIC
AF2
AF1
AFE
GND
GND
COM
A
B
ED09D21MFB14.5A6C102016
S8501
J8501
1
2
3
4
5
6
7
8
VOL-A
VOL-B
VOL-P
VOL-B
GND
GND
GND
TO LOGIC UNIT
VOL-P
VOL-A
Explanatory notes
TX Line
RX Line
Voltage Line