Icom IC-M302 Service Manual

11-1 GENERAL
SP+
SP1
045P0803
SP–
J1 30FLT–SM–TB
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
J1
30FLT–SM1–TB
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
W1
OPC-1264
1 2 3 4 5 6 7 8
J1 B5B–ZR
1
1
2
2
3
3 4
4
5
5
J1 B3B–ZR
1 2
3
J2
B4B–2R–SM3–TF
1
2
3
4
J2
B5B–PH–K–S
1
1
2
2
3
3
4
4 5
5
GND
MIC
MICG
PSTB GND PCK PDATA UNLK
SP–
RMUTE
VCC
GND
BEEP
OPC-1263 (FRONT unit; W3)
SP+
BPLVL
5V 5V
RCV SEND TMUTE TXDET DSCENC H/L DSCDEC SQLC WXDEC BPF PTT SQL PTTC
5V
SP– SP+ BEEP
5V
BPLVL VCC
GND
SQLV
SQLI
HV
GND
VOL2 VOL1
HVS
SQLI GND SQLV VOL1 HVS HV GND VOL2
PTT
MICG PTT GND MIC KEYM
ICF3
NMEA+
NMEA–
KEYM
KEYM
GND
RCV
DSCENC
WXDEC
PTTC
PCK
KEYM
RMUTE
SEND
H/L
BPF
PDATA
TMUTE
DSCDEC
PTT
PSTB
UNLK
GND
TXDET
SQLC
SQL
GND
SQLVSQLV
FRONT UNIT
LOGIC BOARD
MAIN UNIT
VR BOARDSQL BOARD
HM-141
SECTION 11 VOLTAGE DIAGRAM
11 - 1

Icom IC-M302 Specifications

General

Brand	Icom
Model	IC-M302
Category	Transceiver
Language	English