EFJohnson 984X SERIES Two-Way Radio User Manual


 
6-6
February 2001
Part No. 001-9800-001
J4
HANGER
1
2
3
4
5
6
7
8
9
10
J4
12V VPP
GND
TxD
GND
GND
GND
RxD
BATTERY
NC
9
5
42
3
6
8
7
1
10
J5
A 1 2 3 4 5 6 B
DCD
1
2
TxD
RxD
DTR
3
4
SG
DSR
5
6
RTS
CTS
7
8
SI
9
J2
DB9 TO COMPUTER
VCC
CR6
R13
10k
J3
DC POWER JACK
3
4
4
2
4
4
2
1
J7
CR1
CR2
CR4
CR3
BATTERY
5V REGULATOR
5
8
7
+
+
C14
4.7
C16
10
R9
1k
S1
C12
4.7
+
DS1
R10
1k
RED
GRN
R6
1
1
R5
1
8
4
R11
180
R4
L1
20nH
R1
22k
1
8
2, 3, 6, 7
NC
4, 5
OUT
IN
GND
+
R19
1
C13
1
U3
LM7L12
12V REGULATOR
R21
470
+
+
C17
10
VCC
C15
4.7
R25
10K
R23
10K
R20
10k
R22
470
C3
.1
VCC
U004
MAX232
VCC
R1 OUT
T1 IN
16
12
11
TI OUT
GND
R1 IN
2
1
V POS
V NEG
C1 POS
C2 POS
3
9
10
C1 NEG
C2 NEG
R2 OUT
R2 IN
T2 IN
T2 OUT
13
6
4
14
15
R12
10k
CR7
VCC
4
3
21
J6
U1
MC78M05
SERIAL PORT
RS - 232 /TTL CONVERTER
TO TRANSCEIVER
TO TRANSCEIVER
J5
RXD
GND
MIC AUDIO OUT
HANGER
20V PROG
BATTERY
RX AUDIO IN
6
5
4
3
2
1
B
TxD
A
Q3
6026
Q2
3657
CR9
R15
62
CR10
R14
100k
R18
1k
C17
22k
VCC
R27
1k
C7
.01
DC - DC CONVERTER
U2
MC33063
SC
VCC
SE
1
2
6
7
IS
5
3
CI
TC
DC
GND
C9
.001
CURRENT
LIMITER
CR8
Q1
3658
C6
.1
R24
22k
R2
22k
SOURCE
VCC
+
+
+
2
3
1
OUT
GND
IN
C10
10
C4
.1
C18
10
C11
10
C5
.1
R7
3.01k
+
C8
47
R8
47.5k
CR5
R26
1
R16
22k
J1
MIC AUDIO IN
J8
RX AUDIO OUT
P5
P3
P4
1. All Resistors Are In Ohms and All Capacitors Are In
Microfarads Unless Otherwise Specified.
2. DCE (Default) 2-4, 1-3
DTE - 1-2, 3-4
3. J7, 1-2 Jumper Normally Not Installed.This Jumper Is
Used Only WhenThe RPI Power Supply Must Provide
The Battery Supply ToThe External Device Connected
To J4 or J5.
4. R2, R23, And R24 Can Provide These Options:
Option 1 (Default) - R2, R25 In, R23, R24 Out
Option 2 - R23 In, R2, R24, R25 Out
Option 3 - R24, R25 In, R2, R23 Out
NOTES:
R17
CR10
Q3
J4
10
9
2
1
Q2
E
B
C
B
C
E
C
C7
R16
R18
U1
C10
C18
C11
C5
C16
J6
1
2
3
4
CR7
J1
J8
J2
1
6
C14
U4
9
8
1
16
C17
C15
R20
R21
R22
R11
R6
R5
R4
U2
CR5
L1
R10
R9
DS1
1
7
S1
3
18
5
4
8
1
C12
R7
J5
7A
2
4
6
8B
5
3
1
U3
R19
C13
Q1
C8
R2
R24
R1
J3
J7
1
CR1
CR4
CR3
CR2
9
5
R13
CR6
CR8
C
B
E
1
4
R25
C9
R8
R15
R14 R26
CR9
C6
C3
R23
C4
R27
58
R12
A
1
2
3
4
5
6
B
A
1
2
3
4
5
6
B
Orange
Black
Red
Green
Yellow
Blue
Grey
Brown
RPI (P.N. 023-9800-000) BOARD LAYOUT
PROGRAMMING
CABLE
(P.N. 597-2002-200)
RPI (P.N. 023-9800-000) SCHEMATIC