Icom IC-7300 Schematic Diagrams page 2

GENERAL WIRING (GENERAL WIRING-2)
FRONT UNIT
y
J2
AFO
10
8V
9
MUDL 8
SQLS
7
MIC BOARD
PSEND
6
GND
5
GND
4
MICE 3
GND
2
MICI
1
J2
PHONE PHOE
1 1
GND
2 2
PHO
3 3
BOARD
PHK W1
4 4
8600036920
EX2500 P01*J01MA
J1
GND
1
MFDAK
2
RIT BOARD
MFK
3
NC
4
MFDBK
5
GND
6
J1
GND
1
GND
2
VR BOARD
RFL
3
AFL
4
3R3V
5
3R3V
6
J1
GND
1
PBBBK
2
PBT BOARD PBBAK
3
PBABK
4
PBAAK
5
PCLEK
6
J2
1 1
[MAIN DIAL] 2 2
3 3
4 4
DS1(LCD)
J101
42
J451
AFO
1
8V
2
3 MUDL
SQLS
4
PSEND
5
PSEND
6
GND
7
8 MICE
GND
9
MICI
10
P1 J401
PHOE
1
GND
2
3 PHO
PHK
4
DISPLAY BOARD
J71
GND
MFDAK
MFK
NC
MFDBK
GND
J61
GND
GND
RFL
AFL
3R3V
3R3V
J51
GND
6
PBBBK
5
PBBAK
4
3 PBABK
2 PBAAK
PCLEK
1
P1 J201
1 5V
MAINDBK
2
MAINDAK
3
GND
4
41
J601
GND
GND
PWRK
LRXD
LTXD
FRES
GND
GND
LCD_DE
LCD_VS
LCD_HS
LCD_ON
LCD_CLK
LCD_B7
LCD_B6
LCD_B5
LCD_B4
LCD_B3
To the MAIN UNIT
LCD_G7
LCD_G6
LCD_G5
LCD_G4
LCD_G3
LCD_G2
LCD_R7
LCD_R6
LCD_R5
LCD_R4
LCD_R3
GND
NC
3R3V
3R3V
3R3V
NC
5V
NC
8V
8V
8V
J421
MICI
1
MICE To the MAIN UNIT
2
PHOE 3
PHO 4
J2
GND
12
SDWP
11
SDCD
10
SDDAT1
9
SDDAT0
8
SD BOARD
GND
7
To the MAIN UNIT
SDCLK
6
VDD(3R3V)
5
NC
4
SDCMD
3
SDDAT3
2
SDDAT2
1
w
SCHEMATIC DIAGRAMS
A-7290-3EX-w
To upgrade quality, some components may be
Printed in Japan
subject to change without notice.
© 2015–2016 Icom Inc.