EFJohnson CAUTION: LTR-Net models may automatically transmit at any time (see Section 4.1).

February 2001
Part No. 001-9800-001
6-4
2
4
6
8
10
12
14
16
18
20
19
17
15
13
11
9
7
5
3
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
J201 J302
TRANSMIT
UNSW BAT
GND
GND
RF STROBE
SW BAT
SERIAL DATA
TX WB DATA
TX AUDIO
RX AUDIO
RSSI
TX DATA
LOCK DET
SERIAL CLOCK
8V
TX ON
GND
ON - OFF CTRL
TEMP
SYNTH STROBE
DISPLAY CLOCK
DISPLAY DATA OUT
DISPLAY DATA IN
GND
GND
1
2
3
4
5
6
7
8
9
10
11
12
J100
GND
TRANSMIT
UNSW BAT
GND
GND
SW BAT
RF STROBE
SERIAL DATA
TX WB DATA
TX AUDIO
RX AUDIO
RSSI
TX DATA
LOCK DET
SERIAL CLOCK
8V
TX ON
GND
ON - OFF CTRL
TEMP
SYNTH STROBE
UNSW BAT
UNSW BAT
GND
GND
TEMP
CUR SENSE
TRANSMIT
FORWARD
PWR
1
2
3
4
5
6
7
8
J501J600
UNSW BAT
UNSW BAT
GND
GND
TEMP
CUR SENSE
TRANSMIT
FORWARD PWR
EXCITER RFEXCITER RF
RX RFRX RF
1
2
3
4
5
6
7
8
9
10
11
12
13
SW BAT
RX FILTER
TX FILTER
TxD
RxD
TRANSMIT
INPUT 2
EXT SERV RQST
OPTION 1
OUTPUT C
POWER SW
GND
8V
J301
P1
1
2
J1
+
_
INTERNAL
SPEAKER
SP1
EXT SPKR JACK
J303
OPTION 1
WIRE - OUTS OPTION 2 WIRE - OUTS
W311
W312
W313
W314
W315
W316
W317
W318
W319
W320W310
W309
W308
W307
W306
W305
W304
W303
W302
W301 INPUT 2
PTT
TRANSMIT
RX OUT 2
RX IN 2
TX OUT 2
TX IN 2
8V
OUTPUT B
GNDGND
OUTPUT A
8V
TX IN 1
TX OUT 1
RX IN 1
RX OUT 1
TRANSMIT
PTT
INPUT 3
1
2
3
4
5
6
2
6
7
1
4
5
3
8NC
TO EXTERNAL ACCESSORY
ACCESSORY WIRE KIT
PART NO. 023-9750-011
ACCESSORY CABLE
PART NO. 597-9800-003
OR 597-9800-001
J101
GND
HORN HONK
SPKR OUT
OUTPUT D
IGN SENSE
SW BAT
NC
BLK
RED
WHT/BLU
WHT/BLK
WHT/RED
WHT/GRN
BRN
GRY
ORN
BLU
YEL
GRN
WHT
NC
NC
PURPLE
PINK
PART OF DATA CABLE
PART NO. 597-9800-001/-005
DEALER-
CONFIGURED
CONNECTOR
P1
+
_
POWER
JACK
J601
ANTENNA
JACK
PA BOARD AUDIO / LOGIC BOARDRF BOARD
SPKR (+)
SPKR (-)
GND
VOL WIPER
RESET
SW BAT
SW BAT
RxD
TxD
SERV RQST
RX AUDIO
PTT / PROG 1
MIC AUDIO
POWER SW
13
14
15
16
17
18
19
20
20
1
2
3
4
5
6
7
8
10
9
11
12
13
14
15
19
18
J3
RxD A
17
16
GND 1
HANGER 3
PTT 4
SW BAT 5
RX AUDIO 6
TxD B
MIC AUDIO 2
MICROPHONE
JACK J1
ON
OFF
50k
R1
ON-OFF
VOLUME
CONTROL
R2
47
CW
CWW
2
SELECT SWITCH
S1
4
5
3
1
INTERFACE BOARD
NOTES:
1. WITH SOME MICROCONTROLLERS, R45 IS USED INSTEAD
OF THE COMPONENTS INSIDE THE DOTTED LINES.
3
4
5
1
11
2
6
7
8
12
9
10
CLOCK
DATA
DATA
GND
RESET
SW BAT
SERV RQST
HANGER
PBNO A
PBNO B
CW
CCW
J1J2 J2 J1
8
12
9
10
8
7
11
2
3
4
5
1
DISPLAY HARNESS
PART NO. 023-9800-047
SOURCE
SW BAT
5V
R21
10k
R18
10k
R6
47k R7
47k
25
2
3PA7
PC5
PD7
IRQ
R4
47k
5V
R20
10k
R41
10k
17
13
11
12
1RESET
SDI
SDO
SCK
14 GND
5V
28 VCC
PC1
PC0
PC2
PC3
PC4
PA6
PA5
PA4
PA3
PA2
PA1
PA0
22
21
20
19
18
4
5
6
7
8
9
10
S1
S2
S3
S4
R15
10k
R14
10k
S5
R13
10k R16 10k R17 10k
5V
KEYPAD
72
73
55
E
63
62
61
68
69
70
71
R / W
RS
DB4
DB5
DB6
DB7
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
75
76
77
78
79
80
81
82
83
84
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
85
86
87
88
89
90
91
92
SEG19
SEG20
SEG21
SEG22
SEG23
SEG24
SEG25
SEG26
SEG27
SEG28
SEG29
SEG30
SEG31
SEG32
SEG33
SEG34
SEG35
SEG36
SEG37
SEG38
SEG39
SEG40
93
94
95
96
97
98
99
100
1
2
3
4
5
6
7
8
9
10
11
12
13
14
COM1
COM2
COM3
COM4
COM5
COM6
COM7
COM8
COM9
COM10
COM11
COM12
COM13
COM14
COM15
COM16
COM17
46
45
44
43
42
41
40
39
15
16
17
18
19
20
21
22
38
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG21
SEG22
SEG23
SEG24
SEG25
SEG26
SEG27
SEG28
SEG29
SEG30
SEG31
SEG32
SEG33
SEG34
SEG35
SEG36
SEG37
SEG38
SEG39
SEG40
SEG20
SEG8
SEG9
SEG10
SEG11
COM1
COM2
COM3
COM4
COM5
COM6
COM7
COM8
COM9
COM10
COM11
COM12
COM13
COM14
COM15
COM16
COM17
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
50
51
52
53
54
55
56
57
46
48
47
45
44
43
42
41
39
EXT
TEST
GND
R37
22 R38 22
5V
A58
C59
U1
HD66710 A2 VK2360
DISPLAY DRIVER DISPLAY
R23
4.7k
R24
4.7k
R25
4.7k
R26
4.7k
R27
4.7k
R32
1k
R12
10k
Q5
3658
R34
180
R31
1k
R11
10k
Q4
3658
R33
180 5V
16
15
5V
74
48
49
50
51
52
54
+
C1
1V5OUT2
V5
V4
V3
V2
V1
VCC
Q6
3658
C8
.01
R42
10k
RT43
10k
R46
4.7k
5V
VIEW ANGLE ADJUST
C4
.01
+C3
1C6
.1
SOURCE
5V
VOUTVIN
GND
SW BAT
U3
MC78M05
5V REGULATOR
58 VCI
+
C2
1
57 C2
56 C1
R44
95.3k
59
60
OSC1
0SC2
Q2
3658
Q3
3658
R10
10k
R30
1k
R29
1k R39
22 R40
22
R36
68
TX (RED)
CR4
BUSY (GRN)
PC6
PC7
TCMP 24
23
PD5
R49
1k
R50
10k
Q7
R35
68
5V DS1 DS5
DS4
DS3
DS2
BACKLIGHT
R45 C5
10pF
R48
1k
5V
5
42
3
R47
8.06k
C7
24pF
U4
TC7S14
1
OSC2 26
OSC1 27
U2
MC68HC05
MICROCONTROLLER
DISPLAY BOARD
INTERCONNECT SCHEMATIC
J3
1
21J2
19
20
S1
P1 1
2
R2
R1
J1
7A 8B
135
246
12
INTERFACE BOARD LAYOUT
CAUTION: LTR-Net models may automatically transmit
at any time (see Section 4.1).