U
V
W
X
Y
1
2
3
4
5
6
7
47K
10K
0V
5.0V
5.0V
0V or 5.0V
0V
0V
5.0V
0V
or 5.0V
0V
5.0V
5.0V
0V
5.0V
0V
10.3V
5.0V
1
VDD
3
4
1
7
3
5
VDD
5.0V
14.3V
8.1V
7.9V
14.0V
8.1V
14.0V
0V
KDC-2022/V
KDC-202MR/4023 (1/2)
A
KDC-2022/2022V/202MR/4023
DC CORD
(E30-4784-05)
IC7
∗
D108
P1
X16-
∗
D109
∗
D106
J1
2/2
PANEL5V
SW
∗
D110
∗
Q102
D103
∗
J3
S2V20
∗
A or
Q55
D51
∗
B
D102
Q50
5V
SW
MECHA
DRIVER
DSI
Q101
to
D504-506
D501,503
407-410
D106,108,109,403-405,
D40,101,251-253
D10,20,70,201,202,401,
D110
∗
Q53
CN1
D411
D50
D1
D103
D51
D50
D12,14
D11,13
402
D3
D1
HZS12A2
:
(X25-9600-XX)
A E
B C D
F
MA3062WA
∗
:
RN739F
:
:
MA4082(N)-L
MA4062-L
:
DA204U
:
:
DAN202U
:
1SS133
:
MA4068(N)-M
AM01Z
:
D1F60
:
:
IMSA-6801
1N5393G-M6
:
:
Q51
D30
MUTE
TEL
J2
Q223,224
Q10,20,70,101,201,503
∗
D12
AVR
SERVO
CONTROL
AVR
SERVO
Q102
Q253
Q502
Q501
Q252
Q251
∗
D11
Q55
Q51,53
Q50
Q40
∗
D14
∗
D13
(MULTI AVR)
IC11
IC12
IC10
IC8
IC7
SUPPLY
POWER
IC1
IC4
IC6
DTA114YUA
:
UMA1N
3SK126
:
CPH5905
:
:
DTC114YUA
DTC143TUA
UMG4N
:
:
:
2SA1036K
2SD2375
:
UMC2N
:
:
DTA124EUA
:
2SC4081
:
PST3435UL
:
S-24CS02AFJ-TB
M24C01-WMN6T or
BR24C01AF-W or
:
HD74HC27FP
BA4911-V4
TDA7513
:
:
:
TDA7479AD
∗
∗
:
:
:
GND LINE
SIGNAL LINE
B LINE
∗
A
∗
R412 100K
18
19
17
16
∗
R413 100K
25
17
15
16
20
19
18
CH-D
A
T
A
C
R-Q
U
A
L
CH-D
A
T
A
H
NO
YES
YES
YES
0-11
NO
ESD-G
15
NO
0-21
YES
NO
YES
YES
R164 470
∗
R170 1K
∗
R171 47
R172 1K
1
61
12
SW5V
PANEL
14
13
REMO
L-DATAS
12
11
R166 1K
R165 470
6
13
L-CLK
L-CE
10
9
∗
W404
C142
0.1
R169 1K
∗
R168 1K
R167 100
60
11
5
RST
6
L-DATAL
L-RES
8
7
LED+B
LAMP+B
5
4
R163 10
ILL-GND
PAN5V
D-GND
3
2
1
5.6K
180K
430
100
YES
YES
0-11
W400,401,
NO
404,410,578
161,524
0-10
No.
YES
UNIT
0-21
NO
NO
W160,
WH1
NO
403
YES
YES
409
W405-
W402,
220
10
4.3K
5.6K
R173,251-
YES
YES
254,256,260
R138
0-10
No.
YES
NO
0-21
UNIT
0-11
YES
NO
R258
R526
R261 R263
220
10
4.3K
5.6K
NO
NO
L31-0967-05
L31-0967-05
R31,32,102,111,112,
134,135,140,142,168,529
Q252,
L32-0933-05
L32-0933-05
171,412-414,521
YES
R28,136,139,170,
UNIT
R25,
No.
0-10
NO
67,137
0-21
0-11
L31-0970-05
L31-0970-05
NO
YES
YES
YES
NO
NO
YES
UPD780058GC499
UPD780058GC499
L32-0933-05
UNIT
No.
0-10 L31-0970-05
L506
0-21
0-11
YES
102
Q40,
L507
Q53
NO
NO
Q251
E58-0879-05
E58-0879-05
TDA7560
TDA7386
NO
NO
NO
253
R57
1.5K
∗
R32
47K
27uH
3300u16
41
Vss1
33
TUNER-TYPE0
34
DATA
MUTE
35
CLK
36
37
43
A
CC-DET
PS1-0
PS1-1
44
45
46
P-STBY
SW5V
B
.U-DET
39
N.C
P-MUTE
38
41
42
SVR
40
R69 10K
R68 10K
R264 47K
R255 33K
W532
KDC-2022V (K)
SERBOGND
21
R101
D GND
9
R117
R114 47K
∗
∗
R112 0.1
2W
36
35
R116 10K
1K
R119 47K
37
R118 10K
1K
R115
37
MSCLK
4
R143 4.7K
R141 4.7K
66
64
SW2
2
D OUT
1
SW1
3
W165
4.7K
∗
R142
2
36
MSDA
MECHDET
5
6
BU 5V
N.C
7
8
39
47K
R174
R108
2.2K
ADJ
40
R259 22K
240
49
Lch
15
R144 100K
58
59
57
M RST
12
M MUTE
N.C
10
11
M STOP
AUDIO+B
13
14
56
47
55
LO/EJ
18
GND
Rch
16
17
MO SW
SERBO+B
19
20
0.01
820P
8P
4P
0.01
5P
100P
0-10
2P
2P
2P
KV1720S
KV1720S
D504-506
KV1720S
L31-0967-05
YES
NO
UPD780058GC499
No.
0-10
UNIT
IC1
0-21
0-11 L72-0781-05
L72-0781-05
E58-0879-05
TDA7560
IC4
J3
YES
YES
YES
NO
NO
NO
NO
CN3
0-10
UNIT
No.
CF52,
53
L72-0781-05
0-21
0-11
5P
5P
100P
100P
D13,14,
106,108,110
YES
D11,
12
NO
NO
D109
0.01
0.01
8P
8P
4P
4P
820P
820P
L505
0.01
0.01
YES
33P
33P
33P
C522
C581
0.1
33u50
YES
0-10
NO
C530,
536,541
UNIT
No.
C526
C524
0-21
0-11
NO
NO
C553
C537,
538
C568
YES
YES
33u50
100u50
0.1
0.1
0-11
0-10
0-21
557,558,590,592
No.
UNIT
C227,228,529,
KDC-2022 (K)
KDC-4023 (M)
KDC-202MR (K)
528,589
C404,
C256
C521
YES
YES
YES
NO
NO
NO
YES
NO
YES
27P
C587
27P
27P
C523
NO
1500P
1500P
NO
1500P
SW2
C56
10u50
R145
2.2K
54
SW3
22
12
ILLUM
10u25
R51
47K
R50
5.6K
C63
22u16
C55
220u16
9
11
10
SW1
VBU
C57
C1
C58
100u16
BU5V
8
UNIT
No.
MODEL
NAME
C51
C106
OUT
FR
ONT L
FR
ONT R
ANT
. CONT
P
. CONT
AC
C
GND
REAR Rch+
R71
C30
∗
R31
22K
0.01
82K
R30
10K
REAR Rch-
FR
ONT Rch+
FR
ONT Rch-
REAR Lch-
REAR Lch+
FR
ONT Lch+
FR
ONT Lch-
FL-
RL+
FL+
FR+
RL-
FR-
RR-
7
5
1
3
4
2
8
6
10u25
∗
W410
C54
10u16
C53
10u16
C52
10u16
∗
R25
4.7K
AM+B
L2
VCC
7
AUDIO+B
6
∗
C51
FM+B
5
P-ANT
4
3
4.7K
RR+
∗
R28
140uH
L1
GND
FUSE
13
15
11
9
AC
C
P-CON
P-ANT
GND
12
10
14
16
B.
U
.
C50
10u25
P-CON
2
GND
1
REAR L
REAR R
RED
GRN/BLK
GRN
VIOL
VIOL/BLK
WHT/BLK
WHT
GR
Y/BLK
GR
Y
BLU
BLU/WHT
9
8
11
6
10
7
13
4
12
5
14
3
YEL
BLK
15
2
16
1B
U
+
+
+
+
+
+
+
+
+
+
+
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.
!
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QQ 376315150
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9
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2
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9
9
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TEL 13942296513 QQ 376315150 892498299