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J K L M N O P RQ
1
2
3
4
5
6
7
CN1
J4
E-VOL & NC MPX
POWER IC
Q25
Q26
FM +B
WH1
A1
J3
ANT IN
SW
SVR SW
Q29
COMPOSITE
OUT BUFFER
Q22
Q21
Q28
Q27
To MD MECHANISM
Q24
D25
D34
D35
D37
D36
D33
D32
D30
D31
Q23
D19
3
2/2
X13-
J1
SW
AM +B
DET.
PANEL
AUDIO
FLAT CABLE (E39-0338-05)
D23
D22
D20
D21
D15
D41
D44
D46
D45
D18
D17
D16
D24
Q31
Q32
Q30
D50
D51
SW
BUFFER
NOISE
CONSTANT
AFC TIME
Q20
E-VOL. MUTE SW
(E63-0852-05)
J2
REAR
L
R
PRE OUT
MUTE
SW
RDS
DECODER
SW
13
14
MPOUT
OUTL
MPIN
OUTR
10
11
12
MPX
LEVEL
SMUTE
QUAL
AM
SCL
4
7
VDD
PH-
PH+
9
SDA
CDL
8
OUTRR
OUTFR
CDR
CDGND
6
OUTRL
R
5
L
3
OUTFL
VREF
CREF
2
ACOUTL
ACOUTR
1
15
16
17
19
18
25
22
20
21
23
24
26
27
28
RR
RL
23
15
100u10
C42
+
0.01
C43
1
2
3
4
5
6
7
8
9
1020
19
18
17
16
15
14
13
12
1121
N.C.
LOS SW
M SCL
M DATA
BU 5V
D GND
D GND
A MUTE
M RST
M STOP
AUDIO 8V
Lch
A GND
Rch
EJECT
LOAD
S5.0V
S5.0V
S GND
S GND
LOE SW
R172
4.7K
1
2
3
4
5
6
7
8
9
10
14
13
12
11
PAN5V
ILL GND
ILL +B
L DATAS
L CLK
L CE
L DATAL
L INH
RST
REMO
SW5V
N.C.
PANEL
ESD G
OSCO
VREF
107
FIL OUT
8
ARI
FSEL
TM
9
6
GND
OSEL
5
4
MPX
EXTRES
VCC
11
OSCI
12
13
2
3
RDDA
1
QUAL
15
T57
14
RDCL
16
92
14
10P
C88
10P
C89
10u16
C86
+
0.01
C83
10u16
C84
+
270P
2.2K
R167
4.332MHz
X3
85
84
45
IN3
16
ACGND
13
14
15
IN4
SGND
10
11
12
IN1
IN2
SVR
4
7
PGND
OUT1+
9
OUT1-
8
OUT2+
VCC
6
ST-BY
5
OUT2-
3
TA B
PGND
2
1
17
18
19
21
20
24
23
22
25
OUT3-
PGND
OUT3+
OUT4+
VCC
MUTE
OUT4-
CD
PGND
100u10
C48
+
0.22u50
0.22u50
0.22u50
0.22u50
4.7K
R103
4.7K
R102
4.7K
R105
4.7K
R104
FL
RR
FR
RL
750
R106
150K
R107
1u50
C46
+
R108
72
TH1
1u50
C47
+
1K
R101
33K
R100
11
10
11
DATAH
RST
73
B.U.
GND
26
AGND
DATAC
10
1
REQH
MUTE
59
REQC
CHCON
48
Rch
Lch
12
13
CLK
R128 4.7K
R129 4.7K
R130 4.7
R131 2.2K
R132 10
R134 2.2K
R133 2.2K
R135 47
R137 47
R136 10
RR127 47
66
46
65
5
6
31
7
67
IF1 +B
22
21
SD
20
IF2 +B
18
17
VDD 5V
16
DIG GND
15
SCL
14
SDA
13
AM IFOUT
12
11
PLL +B
10
N.C. (VT)
9
OSC GND
8
7
OSC GND
6
OSC GND
5
AM +B
4
FM +B
3
OSC GND
2
AM ANT
1
FM ANT
22K
R141
L2 4.7uH
0.01
C72
1K
R142
30
97
R166
R165 2.2K
2.2K
L8
4.7uH
1K
R148
1
4.7uH
L4
C73 0.01
28
C75
0.0.1
IF1 GND
23
C53
C51
C54
C52
RR
22K
R99
R95
360
C45
10u16
+
R97
180
R98
22K
RL
R94
360
+
C44
10u16
R96
180
Q21,22
RL
RR
R143
22K
96
R144
1K
C85
6
OSC GND
IF2 GND
S-METER
88
56
0.033
150P
C60
4.7K
R147
2.7K
11
10
D-GND
15
27K
R116
47K
R117
69
70
80
68
6
79
19
81
49
26
27
63
60
71
77
78
4
3
100K
R170
R171
4.7K
0.01
C65
470
R175
R174 100K
R173 2.2K
0.015
R93
C39 0.22
0.1
C40
C41
4.7K
+
4.7u16
4.7u16
+
C31
C33 C34
+
+
4.7u16
C32
4.7u16
7
6
5
3
4
11
10
13
RL+
RL-
FL+
FL-
RR+
RR-
FR-
FR+
430
FL
FR
RR
RL
1u50
C49
+
4
13
76
GND
1K
R32
1u50
C30
+
C38
W5
W4
W7
W6
22K
R111
C35 1u50
+
C37 100u10
+
C36 1u50
+
RF GND
L9
52mH L10 4.7uH
AUDIO OUT
19
0.01
C71
0.01
C74
150
R145
C59
R146
R152 2.2K
0.082
C70
4.7K
R151
1K
R150
470
R126
R125 47
R124 470
R123 470
R122 1K
R121 100
R120 100
R119 1K
R118 1K
0.01
C61
100u10
C76
+
0.01
C77
13
14
24
55
8
29
0.01
C69
Q31,32
Q20
R110
100
R149
4.7K
C50
0.047
RL
RR
2
4
1
5
3
6
7
8
11
12
13
10
9
IC10
IC2
IC10
IC4
A
(X92-3560-00/01)
10K
47K
4.7K
4.7K
22K
22K
22K
22K
22K
10K
22K
47K
47K
4.0V
8.2V
4.1V
2.4V
2.4V
5.0V
0V
0V
0V
0V
0V
0V
14.4V
8.2V
8.2V
8.2V
5.0V
4.1V
4.1V
4.2V
7.3V
3.3V
7.3V
7.2V
OVOV
4.5V 7.3V
14.4V
7.3V
7.4V
0V
5V
0V
5.0V
8.2V
4.2V
4.9V
3.5V
0V
5V
7.3V
0V
7.4V
0V
5V
5V
0V
5V
0V
2.4V
5.0V
8.2V
5.0V
5.0V
10.3V
5.0V
8.2V
3.7V
8.2V
CAUTION:For continued safety, replace safety critical components only
with manufacturer’s recommended parts (refer to, parts list).
Indicates
safety critical components. To reduce the risk of electric shock, leakage-
current or resistance measurements shall be carried out (exposed parts
are acceptably insulated from the supply circuit) before the appliance is
returned to the customer.
DC voltages are as measured with a high impedance voltmeter. Values may
vary slightly due to variations between individual instruments or/and units.
KMD-671R
DTA114EK
DTA124EK
DTC114TK
DTC114YK
DTC124EK
DTC143TK
DTC144EK
KRC103S
UN5213
2SA1036K
2SA1576A
2SC2412K
2SD1819A
2SD2114K
B
C
E
2SB1277
C
E
B
2SD1760
B
C
E
2SA1037K
2SC4081
B
C
E
DTA124EUA
DTC144EUA
KRC104S
IN
GND
OUT
DAP202K
DA204K
PST9130NR
M5237ML
TDA7479D