1
1
2
2
3
3
4
4
5
5
6
6
D
D
C
C
B
B
A
A
62K
R24
36K
R44
150p
C25
560p
C9
560p
C32
1.2M
R2
.0068µ
C28
.1µ
C33
.001µ
C17
8.2K
R41
39p
C7
100K
R5
200K
R14A
2.2µ
C15
100K
R32
82p
C23
56K
R42
22p
C21
.0068µ
C19
560p
C31
4
1
1
-
+
13
12
14
LMV324
IC6:4
47K
R57
22p
C20
36K
R27
27K
R21
TP2
100K
R31
93LC46B
CS
1
SCLK
2
SI
3
SO
4
VCC
8
NC1
7
NC2
6
GND
5
IC3
4.7K
R30
.47µ
C40
100K
R4
10K1%
R26
4.7M
R29
470p
C26
TP3
12K
R22
MIC555
V
S
1
G
N
D
2
OUT
3
TRG
4
THS
5
IC4
100K
R3
39p
C24
16F716
VDD
15
VDD
16
A0
19
M
C
L
R
4
B
6
13
B
4
11
B
5
12
B
1
8
B
2
9
B
3
10
O
S
C
1
18
A
4
3
A1
20
A2
1
A
3
2
B
7
14
O
S
C
2
17
V
S
S
6
V
S
S
5
B
0
7
IC2
4.7K
R39
10K1%
R25
0R
R53
3.58 MHz.
Y1
39p
C18
74HC4053
11
A
11
A
12
X0
12
X0
13
X1
13
X1
14
X
14
X
IC9:1
1.2M
R28
100p
C27
74HC4053
9
C
9
C
4 Z
4 Z
5
Z0
5
Z0
3
Z1
3
Z1
6
E
6
E
16
VCC
16
VCC
7
VEE
7
VEE
8 GND
8 GND
IC9:3
22p
C22
4.7K
R59
100K
R20
TP1
74HC4053
10
B
10
B
1
Y1
1
Y1
2
Y0
2
Y0
15
Y
15
Y
IC9:2
100K
R43
.0068µ
C30
100K
R23
68HC705FP
OSC2
36
TCMP
33
V
D
D
38
V
P
P
43
S
S
32
B3
11
D7
34
OSC1
37
B0
8
B1
9
A5
2
A6
1
A7
44
A
4
3
A
3
4
A
2
5
A
1
6
A
0
7
C4
21
C5
20
C3
23
C0
26
C1
25
C2
24
C6
19
C7
18
B4
12
B7
15
B6
14
GND
17
RES
41
B2
10
TC
A
P
3
5
IRQ
42
B5
13
SCK
31
MOSI
30
MISO
29
PD0
27
PD1
28
NC1
16
NC2
22
NC3
39
NC4
40
IC1
+5V
VAN
VAN
VAN
VAN
VAN
+5V
VAN
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
(SOURCE)
ihs7291g2_tvs2_wired
CJS
1997-07-01
GPC
2010-05-21
G3
1 of 1
7291
TVS-2 WIRED
MIDIAN ELECTRONICS, INC.
DATE:
DESIGN:
DWN BY:
REV:
APPR
SCHEMATIC
COPYRIGHT © 2009
REV
SHEET
PROJECT NUMBER
DOCUMENT NAME
NOTE: * = NOT INSTALLED
36K
R40
-
+
2
3
1
LMV324
IC6:1
-
+
6
5
7
LMV324
IC6:2
-
+
9
10
8
LMV324
IC6:3
4
1
1
-
+
13
12
14
LMV324
IC7:4
18K
R14B
100K
R38
.22µ
C41
B25
Q3
B25
Q4
A6
D3:1
A6
D3:2
A6
D2:1
A6
D2:2
A6
D1:2
A6
D1:1
PTT_IN
(GREEN)
P1:1
EMERG_IN
(ORANGE)
P1:6
MODE_IN
(BROWN)
P1:3
COR_IN
(VIOLET)
P1:13
A6
D4:1
A6
D4:2
100K
POT1
TX_IN
(BLUE)
P1:5
VAN
1.2M
R13
39p
C12
200K
R16A
.01µ
C14
VAN
-
+
2
3
1
LMV324
IC7:1
56K
R16B
100K
POT2
RX_IN
(YELLOW)
P1:7
VAN
200K
R17
3.3M
R1
VAN
-
+
9
10
8
LMV324
IC7:3
560p
C16
560p
C5
47K
R19
560p
C8
PAD1
4.7K
R51
*
R50
39p
C10
TP4
VAN
-
+
6
5
7
LMV324
IC7:2
100K
R45
100K
R46
82R
R18B
82R
R15B
10K
R18A
10K
R15A
10K
R54
.1µ
C13
.1µ
C11
10K
POT4
10K
POT3
TX_OUT
(ORG / W)
P1:12
RX_OUT
(GRAY / W)
P1:10
+5V
4.7K
R47
PTT_OUT
(WHITE)
P1:9
AUDIO_EN
(GRN / W)
P1:8
MODE_LED
(GRAY)
P1:11
560p
C34
330R
R10
ALERT_TONE
(VIOLET)
P2:13
SQ_DISABLE
(WHITE)
P2:9
TRUNK_DLY
(GRAY)
P2:11
GND
(ORG / W)
P2:12
PRG_IN
(GRN / W)
P2:8
PROG_OUT
(GRAY / W)
P2:10
10K
R11
A7
D5:1
A7
D5:2
100K
R48
+5V
560p
C35
BSS
Q5
4.7K
R49
160R
R52
160R
R58
+VIN
R2
(ORG) P2:6
R3
(BLUE) P2:5
R4
(BLK) P2:4
C1
(BRN) P2:3
C2
(RED) P2:2
C3
(GREEN) P2:1
R1
(YEL) P2:7
100K
R33
+5V
100K
R34
+5V
100K
R35
+5V
100K
R36
+5V
100K
R37
+5V
+VIN
(RED)
P1:2
GND
(BLK)
P1:4
560p
C36
.1µ
C2
.1µ
C1
.1µ
C37
5206
IN1
1
ENA
3
G
N
D
2
R
E
S
4
OUT
5
VR1
2R
R56
0R
R55
+VIN
.1µ
C4
.1µ
C3
+5V
.022u
C29
+5V
+5V
10K
R12
BSS
Q2
BSS
Q1
J1
J2
J3
J4
LTC1069
1
2
3
4
5
6
7
8
IC5B
MAX7426
7
4
8
2
5
1
6
3
IC5A
.01µ
C42
.01µ
C6
.22µ
C38
.22µ
C39
JUMP_A
JUMP_A
JUMP_B
netP1_11
netP2_13
