1
1
2
2
3
3
4
4
5
5
6
6
D
D
C
C
B
B
A
A
VAN
VAN
VAN
VAN
(SOURCE)
+3.3V
+3.3V
+3.3V
+3.3VA
+VIN
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+VIN
+VIN
+VIN
+VIN
+3.3V
+3.3V
+3.3V
VAN
+VIN
62K
R57
SB1
D1
SB1
D2
SB1
D3
SB1
D4
SB1
D5
0R
R3
0R
R8
0R
R17
0R
R14
47K
R4
47K
R15
47K
R21
47K
R23
47K
R25
47K
R26
47K
R22
47K
R2
4001
Q1
4001
Q5
4001
Q3
4001
Q4
4001
Q6
.1u
C6
.1u
C30
.1u
C32
.1u
C31
.1u
C33
.1u
C28
.1u
C50
.1u
C3
.1u
C1
.01u
C14
.01u
C48
.01u
C23
10K
R29
10K
R28
10K
R37
10K
R36
10K1%
R42
10K1%
R43
560p
C7
560p
C18
560p
C43
560p
C19
4.7K
R10
560p
C27
8.2K
R53
.0068u
C38
.0068u
C45
56K
R50
*
C41
36K
R52
75K
R47
1.2M
R48
.001u
C46
39p
C36
1K
R38
1K
R35
24K
R56
100K
R54
12p
C8
32 KHz
Y1
LTR
CI
COR_IN
PAD3
TP1
TP2
TP9
TP4
TP3
P1:1
GND
P1:2
PTT IN
P1:3
PTT_OUT
P1:4
TX_OUT
P1:5
P1:6
TX_IN
P1:7
P1:8
PROG_IN
P1:9
P1:10
PROG_IN
P1:11
COR_IN
P1:12
P1:13
MODE_IN / PCCMD_TX_DATA
P1:14
PCCMD_RX_DATA
P1:15
MODE_IN / EMER
P1:16
GND
P1:17
P1:18
P1:19
P1:20
GND
P1:21
P1:22
P1:23
P1:24
PROG_OUT
P1:25
P1:26
P1:27
P1:28
P1:29
RX_OUT
P1:30
RX_IN
P1:31
P1:32
PROG_OUT
P1:36
1
2
PROG_IN
PROG_OUT
P5
MO
MODE_OUT
AUDIO_ENABLE
P1:34
HORN
P1:33
GND
P1:39
B+
P1:38
P1:35
P1:37
P1:40
-
+
2
3
1
4
1
1
LMV324
U7:1
-
+
6
5
7
LMV324
U7:2
-
+
9
10
8
LMV324
U7:3
-
+
13
12
14
LMV324
U7:4
3
1
2
4
5
6
3157
B2
G
N
D
B1
A
V
D
D
S
U5
7
4
8
2
5
1
6
3
7427
C
O
M
O
S
V
-
OUT
V
+
\S
H
D
N
C
L
K
IN
U4
+3.3V
47K
R6
CS
1
SO
2
SI
5
SCK
6
VCC
8
HOLD
7
WP
3
GND
4
26081
U6
NOTE: P3 ON THIS PRODUCT REQUIRES THE
ORIGINAL CROSSOVER CABLE FOR ISSP.
P3:1
P3:2
P3:3
P3:4
P3:5
27K
R40
1K
R19
-
+
3
1
4
5
2
LM321
U2
NOTES:
* = NOT INSTALLED
220p
C49
24K
R58
IN
1
ENA
3
G
N
D
2
OUT
5
BYP
4
LP2985-3.3
VR1
IN
1
ENA
3
G
N
D
2
OUT
5
BYP
4
LP2985-3.3
VR2
10u
C26
.01u
C25
10u
C34
.01u
C47
SB1
D6
SB1
D7
CODE_SEL_2
CS2
CODE_SEL_3
CS3
CP
CJS
2016-12-22
AWS
2017-06-14
A-1
1 of 1
7781
MIDIAN ELECTRONICS, INC.
DATE:
DESIGN:
UPD BY:
REV:
APPR
REV
SHEET
PROJECT NUMBER
DOCUMENT NAME
SCHEMATIC
COPYRIGHT © 2016
GPS-2 IC2
0R
R49
*
Q2
AUD_GATE
AUD_GATE
TP11
TP5
TP6
TP8
TP7
100p
C5
100p
C37
2.2u
C2
2.2u
C9
2.2u
C44
220p
C29
0R
R7
EM
PAD7
1
6
13
4
2
11
9
4
3
37
8
47
28
24
27
20
18
36
43
46
4
8
45
41
6
44
1
2
3
8
4
0
3
9
34
21
22
7
35
17
19
29
25
23
26
12
10
5
15
14
33
32
30
31
0
CY8C29666
P5-2
P
1
-3
V
D
D
P4-2
P4-0
P4-4
P4-6
P5-3
P3-2
P5-0
P1-7
P1-5
P4-3
P3-3
P3-0
PAD
XRES
P1-0
P1-1
P2-2
SMP
P1-6
P1-4
P2-0
P4-1
P5-1
P3-1
P4-5
P4-7
P2-6
P3-7
P0-7
VSS
AGND
P3-5
P3-6
P0-1
P3-4
P2-7
P1-2
P0-3
P0-6
P0-5
P
2
-3
P
2
-1
P
0
-4
P
0
-2
P
2
-5
P
0
-0
U1
*
R5
*
R12
*
R11
*
R33
*
R9
*
R18
*
R13
*
R27
*
R30
10K
R46
10K
R51
.1u
C56
0R
R62
PTO
PTT_OUT
10u
C54
4.7K
R32
.01u
C35
3.3K
R41
47u
C39
47u
C40
GND
1
GND
2
RFIN
3
GND
4
GND
5
P
P
S
6
HW_R
7
HW_S
8
RX
9
TX
10
E2
11
E3
12
FIX
13
B
V
1
4
V
C
C
1
5
GND
16
M10578-A3
U3
22p
C57
22p
C58
22p
C59
22p
C62
2.2u
C63
1
2
3
P6
22p
C67
82R
R61
+3.3VA
*
D14
*
D13
+VBAT
22p
C60
22p
C61
1
2
3
*
P7
*
C65
*
C66
0R
R60
TP20
SB1
D12
+3.3VA
+3.3VA
TP21
*
R63
470p
C64
0R
R64
47nH
L2
1.1K
L4
1.1K
L3
1.1K
L1