Icom IC-R5 Service Manual

4 - 7
Pin Port
Description
number name
69
73
74
75
76
77
80–85
88–90,
92,
94–96
97
98
99–127
138
139
141
LIGHT
DCK
DUD
SQL
FUNC
MODE
RXF1,
RXF0,
B3–B0
SEC37–35,
SEG34,
SEC33–31
CONT1
CONT0
SEG28–0
VRC
FSET
TRAC
Outputs LCD back light control signal.
High: Lights ON.
Input port for the clock signal from the
[DIAL].
Input port for the up, down signals
from the [DIAL].
Input port for the [SQL] swtich.
Low: [SQL] swtich is pushed.
Input port for the [FUNC] swtich.
Low: [FUNC] switch is pushed.
Input port for the [MODE] switch.
Low: [MODE] switch is pushed.
Input port for the band matrix.
Outputs LCD segment data.
Outputs LCD contrast control signal.
Outputs LCD segment data.
Outputs audio volume level control
signal.
Outputs frequency control signal.
• Outputs vari-cap tuning control sig-
nal.
• Outputs bar antenna tuning control
signal.
CPU (Continued)

Icom IC-R5 Specifications

General

Brand	Icom
Model	IC-R5
Category	Receiver
Language	English