![background image](http://html.mh-extra.com/html/icom/ic-a23/ic-a23_service-manual_612408027.webp)
9 - 2
40
21
20
1
14
+5V
HV
VCC
40
21
20
1
CE
SBA
TT
CHGC
TXC
S
D
ATA
VCC
VCC
UNLK
PCK
PSTB
P
D
ATA
EXTMIC
GND
+5V
HV
HV
VORDET
RFDET
VORON
RSSI
JACKDET
VOLCK
RFSTB
SCK
VOLDA
T
A
GND
GND
PTT
EXTPTT
LIGHT
DASTB
GND
GND
GND
VREC
GND
BEEP
MOD
GND
GND
to RF unit J3
UP
E
DOWN
CHANNEL
CHASSIS
S1
• BOTTOM VIEW
The combination of this page and the previous page
shows the unit layout in the same configuration as the
actual P.C. Board.
*IC-A5/A23-chg 00.8.23 5:29 PM Page 9-3