Icom IC-E2820 Service Manual

4 - 10
PIN
No.
PORT NAME DESCRIPTION I/O
100
RESET Reset enable signal input. I
101
L_SQL
Noise signal from the IF IC (Left band;
IC15).
I
102
CL_SFT2 Clock frequency shifting signal. O
105
R_SQL
Noise signal from the IF IC (Right band;
IC18).
I
122
R_DATA Data lines for the control unit. I
123
TX_DATA Data lines for the control unit. O
127
TX232 Data bus for RS-232C communication. O
128
RX232 Data bus for RS-232C communication. I
129
DA_CK Serial clock signal to the D/A converter. O
130
DA_DATA Serial data to the D/A converter. O
134
DA_STB Strobe signal to the D/A converter. O
135
R_R5C RX circuits (Right band) control signal. O
136
R400_S
Power line control signal to the 375−550 MHz
band RF circuit (Right band).
O
137
R_RX800
Power line control signal to the 810−1000
MHz band RF circuit (Right band).
O
138
R_AMC
AM-demodulator circuit (Right band)
control signal.
O
143
DTMSD Data to the DTMF decoder (IC56). -
144
DTMCK Clock signal to the DTMF decoder (IC56). -

Icom IC-E2820 Specifications

General

Brand	Icom
Model	IC-E2820
Category	Transceiver
Language	English