Table of Contents
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SECTION 10
VOLTAGE DIAGRAM
R1
W7
J1
J3
10kB
5V
5V
VOLUME
5V
5V
VOL
VOL
VOL
VOL
VOLE
VOLE
VOLE
VOLE
VR1 BOARD
R1
W8
J1
J4
10kB
5V
5V
CLARITY
5V
5V
CUL
CUL
CUL
CUL
GND
GND
GND
GND
VR2 BOARD
S1
IC3 S80741AL
W9
5.1 V
J1
J5
2
GROUP
I
DNI
P60
DNI
UPI
UPI
P57
3
NC
NC
P52
NC
NC
P51
GND
GND
S3
GND
GND
1
P10
SENSOR1 BOARD
S4
S16
2
P86
S5
S17
S1
3
W10
CHANNEL
J1
J6
P12
DN2
DN2
S6
S18
UP2
UP2
4
MODE
NC
NC
P13
NC
NC
S7
S19
GND
GND
5
ALARM
GND
GND
P87
S8
S20
SENSOR2 BOARD
6
P67
S9
S21
7
P66
S10
S22
8
TUNE
P65
S11
S23
9
AGC
P64
S12
S24
0
SQL
P63
S13
S25
CE
P36
S14
S26
RX
P31
S15
S27
TX
NB
P35
SP1
P1
J7
RL1
SP+
SP+
AG201344
+
SP-
SP-
-
TX: 0 V
8 V
RX: 13.6 V
L4
100 H
A
J1
7
1
6
8
2
5
3
4
B
SMUT
J2
W11
J8
M2A0
R71
AFE
AFE
1k
AF2
AF2
E
AF1
AF1
MTSW
MTSW
MIC
MIC
MICE
MICE
PTTE
PTTE
PTT
PTT
GND
GND
L7
GND
GND
100 H
MIC BOARD
COMPLETE VIEW
DS4
Q1
DLC-7978P
DTC114EK
DIM1
Q2
DTC114EK
DIM2
Q3
DTC114EK
DIM3
R9
47k
R7
15k
R8
47k
PC1
PC0
5.0 V
R15 10k
4.2 V
1
O
G
1
Q6
PC0/AN8
2SC1623
2
R13
C10
PC1/AN9
3
1k
0.22
PC2/AN10
4
PC3/AN11
5
AVSS
0.1 s
6
TEST
7
X2
8
X1
D4
9
40 mVp-p
1SS184
VSS
FUNC
P53
10
OCS1
11
OCS2
12
R18
RES
CH/FREQ
P30
13
1M
MDO
14
P20/IRG4/ADTRG
15
X1
P21/UD
P50
16
CR-513
P22
17
P23
18
P24
R26
R25
P32
19
18k
18k
P25
20
P26
21
2182
P27
R24
P33
P30
22
18k
P30/SCK1
P31
23
P31/SI1
P32
24
P32/SO1
TX FREQ
R23
P34
P33
25
18k
P33/SCK2
P34
26
P34/SI2
P35
27
P35/SO2
R22
P37
P36
28
18k
P36/STR8
P37
29
P37/CS
30
VSS
P55
P54
DIMMER
P62
V3
V2
V1
SPEAKER
P61
P56
R27
5.6k
R68 47
D5
1SS184
Q7
+8V
DTC114EK
IC8
TA7252AP
R69
1k
D6
1SS184
TX: 4.6 V
RX: 0 V
Q11
2SD1664
13.5 V
13 V
Q8
2SD1899
R67
47
13.6 V
C48
470
+8V
R65
1
ALAM
AFDT
L6
F
D
BL01RN1
C
L9
100 H
C63
MEASUREMENT CONDITIONS
0.0047
OSCILLOSCOPE: 20 MHz
VOLTMETER: 50 k‰/V
R3
DS1
DS2
DS3
22k
HRT-3290
HRT-3290
HRT-3290
Q4
2SC1623
W4
R4
15k
W3
R109
100
DIM1 8.3 V
Q5
DIM2 7.4 V
2SB1015
W2
DIM3 6.2 V
DIM4 4.4 V
13.6 V
OFF
0 V
M1A0
TXH
80
P10/TMOW
79
VCC
78
CL1
P97/SEG40/CL1
77
CL2
P96/SEG39/CL2
76
DO
P95/SEG38/DO
75
M
P94/SEG37/M
74
P93/SEG36
73
P92/SEG35
72
P91/SEG34
71
P90/SEG33
70
FULD
P87/SEG32
69
FRST
P86/SEG31
68
DIM3
P85/SEG30
67
DIM2
P84/SEG29
66
DIM1
IC1
P83/SEG28
65
TXH
HD6433832SD20F
P82/SEG27
64
MSEL
P81/SEG26
63
SPOF
P80/SEG25
62
P77/SEG24
61
P76/SEG23
60
PWON
P75/SEG22
59
P74/SEG21
58
SOLE
P73/SEG20
57
SMUT
P72/SEG19
56
POSW
P71/SEG18
55
A2TX
P70/SEG17
54
P67
ALAM
P67/SEG16
53
P66
P66/SEG15
C82
52
P65
0.1
P65/SEG14
51
P64
P64/SEG13
R34
10K
R105
1K
R86
3.8 V
68k
3.8 V
C43
4.7
C66
2.2
R64
8 V
C49
1k
0.1
R82
12k
MSEL
Q12
LOGIC BOARD
DTC114EK
D7
Y50
81
1SS184
Y50
Y49
82
Y49
83
Y48
84
Y47
85
Y46
86
Y45
87
Y44
88
Y43
89
Y42
90
Y41
IC2
91
Y40
HD66100F
92
Y39
93
Y38
94
Y37
95
Y36
96
Y35
97
Y34
98
Y33
99
Y32
100
Y31
R31 22K
R1
47K
IC7
R32
X24C01AS
22K
1
8
A0
VCC
2
7
A1
WC
3
6
A2
SCL
4
5
VSS
SDA
C28
0.01
C33
Q9
R49 220
10
DTC114EK
IC9
M5282FP
C29
10
1
R560 680
VCC
1
VCC2
AF
9
2
VCAOUT
IN+
8
3
CTL
C34
R46
IN-
7
4
47
3.3K
VGAIN
OUT
6
5
NC
GND
R47
1.8K
C36
R50
10
4.7K
Q10
2SC1623
C39
R53
R52
0.1
220K
3.3K
C32
R45
0.1
680
R54
47k
+8V
R87
7.6 V
1.8k
IC12a
R89
C71
2
4
470
47
1
3
IC12
8
R90
NJM4558M
220
C72
4.7
Q14
DTC114EK
A2TX
FRST
TX: 4.6 V
RX: 0 V
FULD
A3RX
D11
1SS184
A4RX
STXO
FBXO
W1
Q13
2SC1623
Q15
2SC1623
TX: 0 V
TX: 0.6 V
RX: 7 V
RX: 0 V
50
NC
49
NC
48
NC
C5
47
0.01
NC
46
VCC
45
NC
44
M
M
43
NC
42
DO
41
DO
DI
CL2
40
CL2
39
SHL
38
NC
37
CL1
CL1
36
GND
35
V2
V4
34
V3
V3
33
V2
32
V1
V1
31
VEE
5V
J2
P2
S1 POWER
VCC
13-6
+5V
POSW
IC11
TA7805F
5 V
13 V
2
1
O
I
G
3
R35
10k
R37
100k
5
4
1
2
IC10
C27
TC4S66F
3
1
C30
R41
0.1
470
J9
SP+
GND1
VCC
VCC
to
13-6
CTRL1
LVOC
board
MODE
J4
MOD
AFGE
AFG2
5
+
7
6
-
IC12b
J10
GND1
R98
1k
A2TX
FRST
R99
1k
+5V
FULO
R100
1k
to
A3RX
CTRL1
R101
1k
A4RX
board
R102
1k
J1
FTXO
R103
1k
FRXO
R104
1k
GND2
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