Table of Contents
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SECTION 6
VOLTAGE DIAGRAM
• LOGIC UNIT
P1
P2
J2
IC12A
CK
P0\0
1
1
1
R18
P0\1
DATA
NJM4558M
10 k
2
2
2
R LE
P0\3
2
3
3
3
UNLOCK
P7\1
4
4
4
RX UNIT
SQL SW
P7\0
C16
R16
3
5
5
5
J1
3.3
10 k
RSSI
6
6
6
SQL.V
7
7
7
DISC
8
8
8
E
9
9
9
R17
8.2 k
C100
0.1
C15
R131
22
8.2 k
R91
J3
P3
P4
10 k
R132
CK
P0\0
1
1
1
470 k
DATA
P0\1
2
2
2
C103
T LE
P0\2
0.001
3
3
3
1
UNLOCK
P7\2
4
4
4
TX UNIT
2
TX C
P0\4
5
J1
5
5
R133
3
T8
T8
6
6
6
470 k
4
MOD
7
7
7
R130
E
8
8
8
10 k
P0\6
SQL VOL
C101
0.1
3.8 V
IC19B
S1-1
R90
NJM4558M
56 k
6
S1-2
7
5
C73
J1
P1
J4
22
SW1
OP00\5
1
1
1
S1-3
SW2
OP00\6
2
2
2
C65
SW3
OP00\7
R89
3
3
3
22
10 k
SEL
OP2\5
4
4
4
SP.MUTE
LED4
5
5
5
SP+
SP
6
6
6
SP–
S1-4
7
7
7
FRONT
J2
P3
SP+
SP1
1
1
2
2
3
3
SP–
SW BOARD
IC4 (J1)
NM27C256Q150
C6
0.1
1
VDD 28
VPP
A\12
2
A14 27
A\14
A12
A\7
3
A13 26
A\13
A7
A\6
4
25
A\8
A6
A8
5
A\5
24
A\9
A5
A9
A\4
6
23
A\11
A4
A11
A\3
7
22
A3
OE
A\2
8
21
A\10
A2
A10
A\1
9
20
A\15
A1
CE
A\0
10
19
A0
D7
11
18
D0
D6
R116
12
17
R109
D1
D5
1 k
13
16
1 k
D2
D4
14
15
VSS
D3
R115
R110
1 k
1 k
R114
R111
R112
R113
1 k
1 k
1 k
1 k
A\0
A\7
R124
R117
C7
1 k
1 k
0.1
A\1
A\6
R118
R123
X1
1
1 k
20
1 k
CR-505
2
19
AD\0
AD\7
3
18
AD\1
AD\6
4
17
5
16
6
15
AD\2
AD\5
7
14
AD\3
AD\4
8
13
A\5
A\2
9
12
C2
C3
10
11
R119
R122
22 p
22 p
1 k
1 k
A\3
A\4
IC5
R120
R121
1 k
TC74HC374AF
1 k
A\15
A\14
A\13
A\12
14
2
1
A\11
C9
A\10
7
0.1
A\9
IC7A
A\8
TC74HC04AF
10
11
IC7E
TC74HC04AF
IC7B
TC74HC04AF
12
13
R108
1 k
IC7F
TC74HC04AF
C29
R92
3.3
100 k
4
0.8 V
1
7.0 V
R13
8
10
R25
10
7.0 V
C14
C13
R14
22
0.001
C23
33 k
0.001
R23
C17
C25
C22
C18
5.6 k
3.3
0.01
22
R21
680 p
R15
8
1.5 M
2
39 k
3.7 V
C20
6
1
0.01
7
3
R19
R26
R27
R28
5
47 k
39 k
39 k
39 k
C19
C21
4
C102
0.01
0.01
0.001
IC12B
R22
R20
22 k
10 k
NJM4558M
R24
C24
470 k
IC13A
0.0022
NJM4558M
8
Q12
R44
7
C74
DTC114EU
15 k
10
6
5
Q13
IC20
2SJ144
TC4W53F
C45
3.3
C76
0.001
R45
D19
47 k
R46
DAN202U
10 k
IC18A
NJM4558M
3.8 V
R73
IC18B
220 k
NJM4558M
R134 33 k
C63
3.8 V
0.01
C71
2
R75
4
C60
IC17A
22
R77
1
R79
470 k
6
0.22
39 k
3
39 k
NJM4558M
7
R87
5
8
33 k
R78
R74
C64
39 k
C62
C61
10 k
7.0 V
120 p
0.0022
R76
0.22
330 k
C66
R80
C56
7.0 V
0.001
470
22
R81
R85
R86
C68
470
C67
10 k
R82
390 k
0.001
22
120
3.8 V
R83
C69
8
2
470
470 p
1
R84
C70
3
R88
10 k
3.3
C72
4
100 k
3.3
IC19A
DI
NJM4558M
IC7C
TC74HC04AF
A\13
1
16
C8
A\14
2
15
0.1
A\15
3
14
4
13
5
12
6
11
7
10
8
9
R129
1 k
IC6
TC74HC138AF
Q1
DTC114EU
P0\5
R105
1 k
P7\0
R104
47 k
R103
47 k
R106
1 k
1
48
P64/RD
P71/AN1
2
47
P63/A19
P72/AN2
P6\2
3
46
P62/A18
P73/AN3
P6\1
4
45
P61/A17
P74/AN4
P6\0
5
44
P60/A16
P75/AN5
6
43
RESET
AVREF
7
42
CP3
X2
AVSS
IC1
8
41
X1
µPD78213GC
VDD
9
40
VSS
EA
10
39
P57/A15
P33/SO/SB1
11
38
P56/A14
P32/SCK
12
37
P55/A13
P31/TXD
13
36
P54/A12
P30/RXD
14
35
P53/A11
P27/SI
C1
15
34
R125
P52/A10
P26/I5
0.1
16
33
1 k
P51/A9
P25/I4A
R3
R4
47 k
47 k
R126
1 k
P24
P23
R127
R128
1 k
1 k
P2/2
P2/1
4
3
R107
1 k
DO
R30
8.8 V
22 k
4.1 V
VCC
R29
C28
22
0.1
R32
560
IC13B
C27
L1
100
C31
LW-15
NJM4558M
R31
R34
47
1
10 k
3.8 V
IC14
C30
NJM2073M
C32
C33
100
4.1 V
0.22
6
8
1
3.3
7
7
2
5
6
3
5
4
R93
R37
C35
R36
680 k
560
100
1
C26
R35
C36
R39
C34
120 p
22 k
0.22
10 k
100
LO
Q11
R40
IC15
2SJ144
2.2 k
C38
LA4425A
C41
C40
3.3
0.1
1000
5
C44
C37
1
3.3
3.3
4
R42
2
220
C42
R43
C75
3
MOD
470
4.7
Q10
0.01
C53
DTC114EU
C39
7.0 V
3.3
3.3
C43
R47
0.22
22 k
R94
R66
1
2.2 k
3.8 V
1 k
3.8 V
R41
C77
R71
47 k
0.001
R55 33 k
10 k
C50
LI
3.8 V
4
2
R67
3.3
1
6
6
10 k
3
7
7
R53
5
5
R51
8
10 k
C54
120
R72
IC17B
R52
3.3
IC16B
R54
4.7 k
470
NJM4558M
10 k
NJM4558M
C49
R70
C58
470 p
10 k
0.01
R60
R69
120
470
7.0 V
R63
R49
C57
R48
10 k
27 k
C46
0.001
470
C47
22
0.001
MIC
C52
1.4 V
0.22
2
8
R61
C51
1
470
470 p
3
R68
C55
4
10 k
3.3
R65
D18
R59
220 k
1SS355
1 k
C48
R50
22
IC16A
R62
33 k
2.2 k
R58
NJM4558M
10 k
IC8
S-80845ALUP
C10
6
0.1
5
O
R7
G
1 k
D16
MA6S121
R8
1 M
OP0\7
OP0\6
OP0\5
OP0\4
OP0\3
OP0\2
OP0\1
OP0\0
IC21B
TA75393F
R101
R6
R5
CP2
18 k
47 k
47 k
6
7
5
5.0 V
IC7D
R102
CP1
33 k
TC74HC04AF
VD. L
5.0 V
9
5.0 V
8
33
1
NC
NC
32
2
CS
RESET
AD\0
31
3
D0
GND
4
AD\1
30
A\1
D1
A1
AD\2
29
5
A\0
D2
IC2
A0
AD\3
28
6
P27
D3
µPD71055GB
AD\4
27
7
P26
D4
AD\5
26
8
OP2\5
D5
P25
AD\6
25
9
OP2\4
D6
P24
OP2\0
AD\7
24
10
D7
P20
23
11
OP2\1
VDD
P21
C4
0.1
D15
D14
MA6S
MA6S
121
121
R2
R1
47 k
47 k
S12
2
3
4
5
1
2
4
8
C
OP2\5
1
S11
OP2\4
OP2\0
OP2\1
LOGIC UNIT
OP2\2
OP2\3
IC9
C80
AN78L05M
0.01
Q3
1
DTC114EU
3
O
G
Q4
C12
C11
2
10
0.1
DTC114EU
R9
47 k
R10
47 k
P23
C81
C82
C83
5.0 V
470 p
100 p
P24
100 p
C84
0.001
16
15
14
13
12
11
10
9
C86
0.001
IC10
1 2 3 4 5 6 7 8
µPD4049UBG
OP1\0
OP1\1
OP1\2
OP1\3
VOL2
OP1\4
VOL1
OP1\5
16
15
14
13
12
11
10
9
1 2 3 4 5 6 7 8
OP1\6
P2\2
R11
R12
IC11 µPD4049UBG
47 k
47 k
C88
C89
100 p
100 p
Q6
D17
R57
R56
1SS300
DTC114EU
10 k
10 k
Q14
SP
DTC114EU
SQL VOL
T8
Q5
UMD3
C96
C97
470 p
470 p
4
3
5
2
1
6
P6\0
Q7
DTC114EU
P6\1
Q8
DTC114EU
P6\2
Q9
J6
P1
DTC114EU
+8V
1
1
+8V
BUSY
BUSY
C99
2
2
TX
0.01
TX
3
3
RESET LED
RESET LED
4
4
COR LED
COR LED
5
5
LOCAL LED
6
6
LOCAL LED
LED4
SP.MUTE
7
7
SP.MUTE
3.3 V
E
R97
E
8
8
VD. H
150 k
R99
33 k
8
2
P1
J8
1
3
1
4
1
2
2
R100
R98
3
3
18 k
47 k
SP
4
4
IC21A
5
5
TA75393F
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
MA6S
MA6S
MA6S
MA6S
MA6S
MA6S
MA6S
MA6S
MA6S
MA6S
MA6S
121
121
121
121
121
121
121
121
121
121
121
2
3
4
5
2
3
4
5
2
3
4
5
2
3
4
5
2
3
4
5
2
3
4
5
2 3 4 5
2 3 4 5
1
2
4
8
1
2
4
8
1
2
4
8
1
2
4
8
1
2
4
8
1
2
4
8
1 2 4 8
1 2 4 8
C
C
C
C
C
C
C
C
1
1
1
1
1
1
1
1
S9
S10
S8
S7
S6
S5
S4
6 - 1
REG
J11
BOARD
V9
+9V
1
1
+9V
V13
+13.8V
2
2
+13.8V
+13.8V
3
3
REG
C78
+13.8V
E
4
4
BOARD
0.01
E
E
5
5
J2
E
E
6
6
E
J9
C79
E
0.01
19
+13.8V
37
E
18
+13.8V
36
17
SP–
35
SP+
16
E
34
EXT PTT
15
LI
33
E
14
E
32
LO
13
AUX1
31
12
AUX2
30
ACC1
11
29
C85
E
10
470 p
PO\5
28
BUSY
9
E
27
TX EXT
8
C87
S-METER
26
0.001
E
7
E
25
DI
6
E
24
DO
5
D0
23
STB
4
D1
22
A2
3
D2
21
A1
2
D3
20
A0
1
C90
100 p
C91
100 p
C92
100 p
C93
100 p
C94
100 p
C95
J10
100 p
EXT PTT
5
DO
9
LO
4
E
8
E
ACC2
3
DI
7
LI
2
BUSY
6
+13.8V
1
FRONT
R1
10 k
C98
J5
P2
0.01
VOL1
VOL1
1
1
VOL2
VOL2
2
2
E
E
3
3
SQL VOL
SQL VOL
4
4
E
E
5
5
R2
10 k
R1
R2
R3
R4
R5
R6
R7
820
820
820
820
820
820
820
DS1
DS2
DS3
DS4
DS5
DS6
DS7
J1
1
2
3
4
5
6
DS1–DS3 TLR208
DS4–DS7 TLG205
7
8
LED BOARD
J2
J1
C1
1
0.001
2
3
C2
4
0.001
5
C3
MIC BOARD
0.001
D2
D1
MA6S
MA6S
121
121
2 3 4 5
2 3 4 5
1 2 4 8
1 2 4 8
C
C
1
1
S3
S2
S1
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