
10K
4.7K
22K
22K
2.50V
4.90V
2.50V
0V
4.80V
2.40V
0V
4.80V
4.80V
0V
4.80V
4.80V
3.0pp
5.0pp
0V
4.80V
4.80V
4.80V
4.90V
0V
4.90V
0-4.9V
0V
0-4.9V
0V
0V
0V
0.15V
4.80V
4.90V
0V
7.80V
0V
0V
3.84V
0V
3.84V
7.80V
0V
4.90V
4.90V
4.90V
4.90V
4.90V
4.90V
4.90V
4.90V
0V
0-4.9V
IC2
CD PLAYER UNIT (X32-5380-00)
S2
∗
S4
S1
CN2
Q4
D2
Q3
Q2
LchRch
A.GNDA+5V
BU+5V
D.GND
A.GND
12EJE SW
LOS SW
8EJE SW
SWITICH
DOWN&LIMIT
S3
to MAIN UNIT
A.8V
SW
D.5V
SW
BULT-IN MI-COM
CD SIGNAL PROCESS
A.+8V
10K
S.GND 2
LOE/LIM SW 1
S.7.5V
MOTOR
LO/EJ
A.GND
5
3
4
Rch
Lch
6
7
8
BU+5V 15
A.+8V
MSTOP
MRST
MUTE L
MUTE R
D.GND
9
10
11
12
13
14
8EJE SW
DATA
LOS SW
12EJE SW
18
NC 16
17
CLK 19
20
21
100x4
CP2
100x2
CP1
D.OUT 22
R72
200
100
C75
6800P
R87
330
C69
2200P
R85
R44
330
C71
2200P
R81
6800P
C76
100
R88
2200P
C70
330
R86
C72
2200P
330
R82
1K
DEMPH/TRCRSO/TEXTCRC
SENSE/RESY/FLAG/STOUT
EFM/NFLOCK/CLDCK/STCK
PCK/NTLOCK/FCLK/STLD
DATA
MSEL1
MSTOP
OCD CLK
RST
IFZR
IFZL
100Kx4
R43
CP5
61
6362656466
R100 C100
16.934MHz
X1
1000P10
R42
4.7K
49
DRV MUTE
VER/HOR
TEST2
TEST1
XSUB2
XSUB1
DVSS2
DVDD3
NC
60
59
58
57
56
52
55
54
53
X2
51
50
X1
CLVS/VDET/CRC
LOE/LIM(SW4)
12EJE/SDET(SW3)
8EJE(SW2)
HOT
48
47
46
45
44
43
42
41
LRCK
SRDATA
VREFP
403839
ICRST
BCLK
363735
MOTOR
P-ON
MCNT
XSEL
EQCNT
CLK
SBIO
SBIO
73
70
68
67
TX
69
71
72
74
75
C36
2.2
28
31
NC
ASEL
MSEL0
333432
OUTL
DVSS3
CSEL
30
29
AVDD2
AVSS1
OUTR
AVDD1
272526
C101
1000P
1000P
C102
C34 0.1
100K
R93
C33
0.1
C32 0.1
4
L
R
5
65
63
62
61
66
68
29
27
L
R
27
29
61
62
63
666865
0.1
C47
0.1
C46
Q3,4
DTC114YUA
DTC143TUA
UN5111
2SA1036K
2SA1362
2SA1576A
2SC4081
DTA114EUA
DTA124EUA
DTC124EUA
DAN202U
DA204U
DTA114YUA
MA142WK
UN5212
3SK126 BR24C01AF-W MCH6101

0.17V
3.81V
4.90V
2.47V
1.44V
3.38V
2.50V
4.16V
0V
3.94V
0V
0V
0V
3.06V
2.50V
2.50V
2.50V
2.50V
2.50V
2.69V
2.69V
2.69V
0.95pp
0.91pp
2.50V
2.35V
2.35V
2.40V
2.35V
2.35V
2.45V
4.90V
0V
7.80V
3.50V
3.90V
3.84V
3.84V
3.81V
3.81V
3.60V
3.60V
7.80V
0V
0V
0V
2.35V
2.35V
2.35V
2.35V
2.35V
7.80V
2.35V
4.80V
4.80V
2.45V
0V
0.87pp
1.25V
1.70V
0V
0-4.8V
0V
2.40V
4.90V
2.50V
0V
4.80V
2.40V
2.40V
2.40V
2.45V
0V
0V
0.15V
0V
4.80V
2.40V
2.40V
4.80V
2.50V
2.00V
0V
0V
0.17V
2.69V
2.69V
2.69V
2.69V
2.50V
2.50V
3.84V
3.81V
3.81V
3.84V
IC3
IC1
DTA143XUA:Q4
D1
D3
D2
Q6
Q5
DA204U
MA8051-L
DAN202U
2SA1576A
2SC4081
:
:
:
:
:
Q3
Q2
Q1
IC3
IC2
IC1
DTC124EUA or
MN6627771KP
2SA1362(Y)
MCH6101
BA5824FP
AN22002AA
:
:
:
:
:
:
Q6 Q5
D3
D1
CN1
Q1
M
M
LOADING & SLED
MOTOR
SPINDLE
MOTOR
DM2 (X92- )
DM1 (X92- )
S.GND
S.7.5V
SPDL
FCS
TRK SLED
D.GND
D.5V
Vref
GND LINE
SIGNAL LINE
B LINE
to PICKUP
APC
VREF
BUFFER
4CH BTL
DRIVER
RF AMPLIFIER
ADAPTED FOR CD-RW
UN5212
924
CNT
LDIN
OUTSL
INSL-
INSL+
OUT3
IN3-
PREVCC
IN2-
BIAS
1
2
6
IN1-
IN1+
OUT2
4
3
5
MUTE
PREGND
OUT1
7
8
C49
1500P
C38
0.01
R48
10K
18K 10K
R34R33
2.2K
R47
C51
1500P
R71
13K
272826
25
C37
0.01
R51
10K
R50
3.9K
R31
27K
10K
R32
VO3+
VO3-
VO4+
VO4-
POW VCC2
POW GND2
VO2-
VCC1
GND1
11
10
12
VO1+
VO1-
14
13
VO2+
22232119201817
VREF GND
R45
10K
TRD
FOD
DVDD2
LDCNT
CD-RW
LO/EJ
MOTOR
P-ON
MCNT
XSEL
73
71
72
74
767578
77
79
80
TRCRS
28
AVDD2
AVSS1
OUTR
AVDD1
272526
TE
FE
232422
12
FBAL
TVD
SPL
PC
PWM
TBAL
1
2
3
4
5
NRFDET
OFT
BDO
LDON
DSLB
DVDD1
9
6
7
8
10
11
PLLF2
DVSS1
AVSS2
DSLF
ARF
RFSW
PLLF
13
14
15
16
17
18
IREF
RFENV
21
19
20
C48
6800P
C50
6800P
1000P
R38
220K
C31
0.1
C40
0.015
C41
C39
0.01
39K
R35
R53
4.7K
10K
R36
C10
0.033
R9
3.9K
4700P
C14
C15
2200P
B/TE
17
R41
47K
C3
1
16
FCS-
TRK-
TRK+
FCS+
GND
C+D
GND
VCC
TBAL
FBAL
GCTL
FEOUT
FEN
TEN
TEOUT
TEBPF
VDET
C52
0.1
R52
4.7K
B
GCTL
6.2K
R37
24
VDET
C13
270P
R8
27K
191820
22
21
23
C16
330P
R11
33K
27
25
26
F
E28D
30
29
32
C31A
R15
4.7K
IOP-IOP+
R4
10
R1
91
12
16
15
14
13
A9
1110F
B
8
7
6EPD
5
4
3
VR
LD
21VC
C6
39P
VCC
9
COFTR
OFTR
NRFDET
141513
3TOUT
CBDO
BDO
111210
6
CAGC
ARF
CEA
8
7
RFN
RFOUT
RFIN
5
3
4
C12
3300P
C11
6800P
PD
LD
1
2
C7
0.1 3.3K
R6
RF
R5
3.3K
C1
10u6.3
R14
100K
C2
2.2
17
18
12
11
SPDL-
SPDL+
X32-5380-00
X32-5380-01
S4
YES
NO
27
A/TE
TRCRS
FE
C45 0.1
C44 1000P
C43 2200P
R39 100K
820
R40
0.047
C42
RFENV
BDO
OFT
NRFDET
9
7
8
4.7Kx4
CP4
1.8Kx4
CP3
16
TRK OUT
TRK IN
13
14
FCS UP
FCS DOWN
15
16
SLED IN
/EJECT
/LOAD
SLED OUT
11
12
17
18
5
4
1
80
1
2
79
80
27K
R46
39K
R49
879
R7 3.6K
2P
C5
ARF
1
C8
4700P
C9
R13
240K
C18 0.1
C17 0.1
R3 5.6K
R2 5.6K
6
5
4
F
E
B
CD
A
6
5
100K
R10
F
A
B
E
CD
23
22
24
24
23
22
4
79
2
13
15
14
16
2.2
C61
Q5,6
IC1
15
29
30
R12
910K
POW
POW
+
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.

22K
22K
22K
22K
4.7K
4.7K
4.7K
4.7K
5.0V
0V
5.0V
0V
0V
0V
2.4V
2.4V
0V
5.0V
5.0V
0V
5.0V
0V
8.0V
0V
3.8V
3.2V
8.0V
0.7V
0V
0V
0V
2.4V
0.8V
2.5V
2.5V
8.0V
0V
2.5V
0V
4.2VAM
PW-ON0V2.8V
FM0V2.0V
3.4V
60mV
0V
5.0V
2.0V
3.2V
PW-ON
AM
AM
AM
3.2V
3.4V
0V
0V
4.1V
2.4V
0V
2.0V
3.3V
FM
AM
0V
AM
FM
4.2V
FM
AM
0V
3.3V
0V
2.0VFM
0V
4.0V
8.0V
8.0V
8.0V
0V
3.5V
8.0V
4.2V
4.2V
7.3V
0V
0V
4.9V
IC6
(X25-9600-XX)
(X89-2590-10)
∗
IC4
DECODER
RDS
∗
CN3
BUFFER
Q503
MPX
BUFFER
Q201
NOISE
∗
E
E
T
∗
Q40
D503
∗
D506
∗
D504
∗
C
J1
D3
D405
D407
D403
D410
∗
D505
AMPLIFIRE
Q502
FM RF
AMPLIFIRE
D501
AM RF
Q501
D409
D411
D408
D402
D401
FRONT
DRIVER
MUTE
D268
J4
J4 TOP VIEW
∗
D
REAR
Q225
Q221,222
Q225
D404
CN91
DTC143TUA
DTA124EUA
:
:
∗
WH1
AUDIO
DRIVER
MUTE
MUTE
SW
AUDIO Q222Q221
CN90
Q224Q223
MUTE
J5
C545
6800P
∗
C537
8
R351 2.2K
R352 2.2K
C354
10u6.3
∗
C558
0.01
∗
C557
0.01
C353
10u6.3
1
14
C351
15
2
∗
R173
C352
330P
1K
5.6K
C551
0.01
C548 0.022
12
W530
EXTRES
7
FILOUT
ARI
8
GND
0.01
6
9
FSEL
TM
VCC
10
11
C550
0.033
2200P
C549
L515
51
77
16
RDDA
OSCIN
OSCOUT
RDCL
3
OSEL
MPX
VREF
5
4
10P
X2
4.332MHz
13
C355
10P
T57
14
15
C356
2.2K
QUAL
2
1
R353
62
C600
100u10
C555
1000P
W534
0.01
L517
4.7uH
C546
R542 4.7K
∗
W403
∗
W402
R205 4.7K
1K
R541
1K
2.2K
20
R204 W512
13
61
57
W531
20
17
18
R547 22
14
15
W523
10
11
12
8
∗
C538
26
252423
22
21
C547
10u10
R546
L514
4.7uH
33K
R545
4.3K
LFOUT
OSCVCC
20
19
PLLVCC
PLLGND
LFIN
LFREF
LFHC
28
27
C5
C5
0.10.250MHz
1
X501
DIGGND
XTALD
XTALG
FMAGCVOUT
16
VCOB
VCOE
OSCGND
18
17
FMANTADJ
FMRFADJ
15
14
FMMIX1IN2
FMAGC1OUT
FMAGCIN
13
12
11
FMMIX1IN1
RFGND
10
9
3
14
∗
C526
10P
R501 6.8K
∗
L507
∗
L505
R543
W507
W505
11
R522
∗
C523
∗
C521
∗
C524
∗
R521
∗
W400
C525
0.01
∗
C522
GND
100K
L4
C516
L501
6.8uH
45
C534
0.01
C583 0.1
L511
4.7uH
4.7uH
10.700MHz
W511
W508
∗
W401
∗
C528
R524
100K
C543
68P
R544
C542
22P
18
∗
C541
17
C544
15P
6P
W500
100K
R527
W504
W415
R525
330
C533
0.01
C513 0.01
C515 1
7
6
3
C514 0.01
R528
100K
15
C512
4.7u16
W533
100K
C531
1
C535
2P
∗
C530
R523
100K
∗
C536
∗
L506
10
∗
W524
330
∗
R529
13
∗
R526
12
8
L510
4.7uH
C511
0.01
AMMIX2IN2
FMAMP2OUT
FMIFAMP2IN
FMIFAMPREF
FMIFAMP1OUT
FMIFAMP1IN
FMNAGCIN
3
5
ANAGC1VOUT
ANAGC1OUT
ANAGC1TC
7
6
AMMIX1IN-
AMMIX1IN+
4
TUNGND
VREF5V
2
1
70
∗
CF53
0.1
C582
IF1GND
MIX1OUT2
MIX1OUT1
IFVCC
79
80
76
77
78
TUNVCC
73
74
75
71
72
∗
C581
L508
R581
C580
0.01
1K
∗
CF52
L5
AMMIX2IN1
68
69
10.700MHz
C591
33u10
∗
C529
2P
33u10
W521
C506
0.1
C507
L503
1mH
R505
C505
4.7u16
C503
0.1
C502
1500P
R502
2.2K
R506
1M
C508
22u10
R503
2.2K
7
L512
4.7uH
W601
L513
1K
6
R507 1K
C510
68P
100P
C509
C504
33uH
L502
0.01
46
44
L504
100uH
3
2
1
4.7K
10.700MHz
CF51
0.01
C585
12
RL
RR
FL
FR
W509
∗
R253
∗
W408
∗
R252
∗
W407
C253
0.22u50
∗
W161
C252
0.22u50
4.7K
RR-
DATA H
10
DATA C
11
2
3
4
R403 4.7
R406 4.7K
R405 4.7K
R404 100
19
1
25
C403
100u10
A GND
CH CON
MUTE
REQ H
BU
D GND
9
13
REQ C
CLK
R411 100
R401 10
R410 100
R409 4.7K
R408 4.7K
R402 10
R407 4.7K
8
C402
1u50
17
16
C401
1u50
18
63
DATA H
DATA C
Lch
RST
Rch
128
REQ C
CLK
5
4
3
123 4
W102
5
+
C222
10u16
Q221,222
117
13
1096
51
6
A GND
12 8
57
RST MUTE
34
REQ H
1
2
+
C221
10u16
W101
R221
270
∗
W160
R222
270
R226
30K
R229
100
30K
R225
12
R230
100
3
C224
10u16
C223
10u16
W156
R224
R223
270
W516
270
4
2
OUT2-
TAB
1
STBY
PGND2
R232
R231
100
R227
30K
R228
30K
100
∗
C227
680P
∗
C228
680P
C255
1u50
41
BUPRchLch CHCON D GND
+
+
+
+
+
+
+
+
+
+
+
+
+
+

47K
10K
0V
0V
5.0V
5.0V
0V
5.0V
0V
5.0V
0V or 5.0V
5.0V
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
VDD34
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)
AE BCD 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
TUNER-TYPE1
∗
R412 100K
R110 4.7K
18
19
17
16
∗
R413 100K
25
TYPE REF
17
15
162019
18
CH-DATAC
R-QUAL
CH-REQH
CH-DATAH
N.C
N.C
CH-CLK
AFS
N.C
21
22
N.C
CH-CON
23
24
25
28
SD
N.C
26
27
TYPE2
29
TYPE0
TYPE1
30
31
NO YESYESYES0-11 NO
ESD-G15
NO0-21 YES NO YES YES
59
R58
470
R164 470
∗
R170 1K
∗
R171 47
R172 1K
1
61
12
SW5V
PANEL14
13
REMO
L-DATAS
12
11
R166 1K
R165 470
6
13 L-CLK
L-CE109
∗
W404
∗
R136 47K
55
∗
R138 47K
∗
R135 47K
∗
R140 47K
∗
R137 47K
∗
R139 47K
R113 47K
2W
C142
0.1
R169 1K
∗
R168 1K
R167 100
60
11
5
RST6
L-DATAL
L-RES87
LED+B
LAMP+B
5
4
R163 10
ILL-GND
PAN5V
D-GND
3
2
1
5.6K180K430100YES YES0-11
W400,401,
NO
404,410,578161,524
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 R526R261 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
E58-0879-05TDA7560
TDA7386
NO
NO
NO
253
R57
1.5K
∗
R32
47K
27uH
3300u16
41
Vss1
32
33
TUNER-TYPE0
34
DATA
MUTE
35
CLK
36
37
43
ACC-DET
PS1-0
PS1-1
444546
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)
SERBOGND21
R101
D GND9
R117
R114 47K
∗
R111 0.1
∗
R112 0.1
2W
36
35
R116 10K
1K
R119 47K
37
R118 10K
1K
R115
37 MSCLK4
R143 4.7K
R141 4.7K
66
64
SW22
D OUT1
SW13
W165
4.7K
∗
R142
2
36 MSDA
MECHDET
5
6
BU 5V
N.C7
8
39
47K
R174R108
2.2K
ADJ
40
R259 22K
240
49 Lch15
R144 100K
58
59
57
M RST12
M MUTE
N.C1011
M STOP
AUDIO+B
13
14
56
47
55
LO/EJ18
GND
Rch1617
MO SW
SERBO+B
19
20
0.01820P8P4P 0.015P100P0-10 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
E58-0879-05TDA7560
IC4 J3
YES
YESYES
NO
NO
NO
NO
CN3
0-10
UNIT
No.
CF52,
53
L72-0781-05
0-21
0-115P5P100P
100P
D13,14,
106,108,110
YES
D11,
12
NO NO
D109
0.01
0.018P
8P4P
4P
820P
820P
L505
0.01
0.01
YES
33P
33P
33P
C522
C581
0.133u50 YES0-10 NO
C530,
536,541
UNIT
No.
C526C524
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 SW322
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
FRONT L
FRONT R
ANT. CONT
P. CONT
ACC
GND
REAR Rch+
R71
C30
∗
R31
22K
0.01
82K
R30
10K
REAR Rch-
FRONT Rch+
FRONT Rch-
REAR Lch-
REAR Lch+
FRONT Lch+
FRONT Lch-
FL-
RL+
FL+
FR+
RL-
FR-
RR-
7513
4286
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 15119
ACC
P-CON
P-ANT
GND
1210 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
GRY/BLK
GRY
BLU
BLU/WHT
98
116
107
134
125
143
YELBLK
152
161BU
+
+
+
+
+
+
+
+
+
+
+
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.

Z AA AB AC AD
1
2
3
4
5
6
7
0V
0V
5V
5.0V
0V
5.0V
3.3V
1.7V
5V
0V
0V
5V
1.7V
0V
0V
5V
0V
14
S12
S10
S8
S9
15
16
S11
17
18
S14
S13
19
20
S15
21
22
S16
S17
2324252627
282930
S27
S19
S37
S39
S40
31
32
S38
33
34
S35
S36
35
36
S18
37
38
S23
S21
S20
39
S22
S25
S24
S26
S29
S28
S30
S31
S32
S33
1
26435
7
8109
111312
14151617181920212223242526
27
2829303132333435363738
39
1
26435
7
8109
111312
S5
S6
S7
S34
C2
C1
C3
ILL-GND
D-GND
SW5V
LAMP+B
LED+B
L-DATAS
L-CLK
L-CE
L-DATAL
PAN 5V
RST
PANEL-
ESD-GND
KI1
KI2
KI4
KI3
C3 0.047
C1
C2 0.047
R8 56K
0.01
R10 4.7
4.7K
79
80
78
77
80
79
77
78
R2 470
R4 470
R5 1K
R3 470
KS5
S25
S5
S6S7S8
S9
S10
S11
S12
S13
S14
S15
S16
S17
S18
S19
S20
S21
S22
S23
S24
S26
S27
S28
S29
S30
S31
S32
S33
S34
S35
S36
S37
S38
S39
S40
KS4
KS3
KS2
C3
C2
C1
∗
R20
510
R18
510
R17
R16
510
R14
330
R15
330
KI1
KI2
KI3
KI4
KI5
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
KI5
∗
R19
0.01
C9
220
R21
220
R22
1000P
+B
+B
+5V
+5V
TP35
TP32
TP31
TP30
TP29
TP27
TP28
TP26
TP22
TP21
TP5
TP4
TP3
TP1
TP2
TP9 TP8 TP6TP7
T
T
T
T
T
C4
R7
1
2
OUT
VCC
4
3
GND2
GND1
R12 1K
2.2
∗
R13 47
IC2
+5V
+5V
TP33
TP24
TP34
∗
C5
REMO
∗
C6 0.01
∗
C7 0.01
484746454443424140393837363534
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
1
2
345
678
9
10
11
12
131415
16
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
KS5
KS4
KS3
KS2
N.C.
COM3
COM2
COM1
S40
S39
S38
S37
S36
S35
S34
S33
S32
S31
S30
S29
S28
S27
S26
S25
S24
S23
S22
S21
S20
S19
S18
S17
KEY
N.C.
N.C.
N.C.S5S6S7S8S9S10
S11
S12
S13
S14
S15
S16
KS6
KI1
KI2
KI3
KI4
KI5
TEST
VDD
VDD2
VDD1
VSS
OSC
L-DATAL
L-CE
L-CLK
L-DATAS
SW
N.C
J1
Q1
∗
D18
J3
X14-
1/2
KEY DETECT
SW
RST
∗
D22
LCD DRIVER
∗
D17
∗
D19
S17
∗
D7
∗
D8
∗D2∗
D1
∗
D3
∗D6∗D5∗
D4
∗
D20∗D9
∗
D12∗D13
∗
D11
∗
D10
REMOTE
SENSOR
∗
A
(BOTTOM VIEW)
10K
10K
ED1 (SEGMENT)
SWITCH UNIT (X16-1460-1x/2370-10)
A
ED1 (COMMON)
IC2
IC1
ED1 (COMMON)ED1 (SEGMENT)
(B38-1080/1081/1126-05) : KDC-4023/202MR/2024SA/2024SG/2024SYA/2024SYG/2094YA/2094YG/2022/2022V/2023/3023/RX-491CD/RY-391CD (B38

AE AF AG AH AI
1
2
3
4
5
6
7
S14
S29
1
2
S30
9
634
5
7
81110
121413
15
S27
S28
S17
S20
S18
S22
S23
S26
S25
S24
S21
S19
22
19
171618
20
212423
252726
28
S15
S13
S12
S16
S31
S38
S36
S33
S35
S32
S34
S40
S37
32
302931
33353437363839
1
2
9
634
5
7
81110
121413
15
22
19
171618
20
212423
252726
2832302931
3335343736
38
39
S7
S10
S39
S11
S8S5S9
S6
C2
C1
C3
KI1
KI2
KI3
KI4
KI5
KS2
KS3
KS4
KS5
RX-491CD (J)
MODEL NAME
YES
TP15
TP14
TP13
TP12
TP11
TP16 TP17 TP18
TP19
+B
No.
X16-1460-01
UNIT
D1-13,20
(GREEN)
B30-1533-05
D17,18
B30-1633-05
D19
YES
C6,
7
390
R19,
20
B30-1564-05 or
(BLUE)
B30-1533-05B30-1533-05
X16-1460-03
RY-391CD (J)
NO NO
(GREEN)
B30-1633-05
(GREEN)
510
X16-1460-11
KDC-4023 (M)
YES YES
(GREEN)
B30-1533-05
B30-1633-05 390
X16-1460-12
KDC-202MR (K)
B30-1533-05
YES NO
B30-1533-05
(GREEN)
B30-1633-05
(GREEN)
510
X16-1460-13
B30-1533-05
NO NO
B30-1533-05
(GREEN)
B30-1633-05
(GREEN)
510
KDC-1023S (M)
KDC-1023 (M)
KDC-2024SYG (E)
KDC-2094YG (E)
KDC-2024SG (E)
B30-1533-05
(GREEN)
B30-1533-05
(GREEN)
NO B30-1633-05 510NOX16-1460-14
B30-1567-05
X16-1460-15
KDC-2022V (K)
390YESYES
(RED)
B30-1633-05
X16-1460-16
KDC-2094YA (E)
KDC-2024SYA (E)
KDC-2024SA (E)
510
B30-1567-05
(RED)
NONO
(RED)
B30-1633-05
B30-1567-05
X16-1460-20
KDC-2023 (M)
510NOYES
(GREEN)
B30-1633-05
(GREEN)
B30-1533-05 B30-1533-05
X16-1460-21
KDC-3023 (M)
510NOYES
(RED)
B30-1641-05
(RED)
B30-1567-05 B30-1567-05
X16-2370-10
KDC-2022 (K)
390
B30-1567-05
YESYES
(RED)
B30-1633-05
(BLUE)
B30-1564-05
X16-2370-11
KDC-122S (K)
KDC-122 (K)
510
B30-1567-05
NONO
(RED)
B30-1633-05
(RED)
B30-1567-05
X16-2370-12
KDC-222S (K)
KDC-222 (K)
510
B30-1567-05
NONO
(RED)
B30-1633-05
B30-1564-05
(BLUE)
NO
YES
YES
YES
YES
YES
YES
YES
NO
YES
YES
NO
YES
C5 R13
YES
NO
YES
YES
YES
YES
NO
YES
YES
YES
NO
D22
YES
YES
YES
NO
YES
YES
YES
YES
NO
YES
YES
YES
NO
YES
YES
B30-1642-05
B30-1564-05 or
B30-1642-05
(BLUE)
(BLUE)
B30-1642-05
B30-1564-05 or
:
∗
D1-13,20
Q1 : DTA114EUA
IC1 : LC75853NE
VOL+
VOL-
SRC
AUD
TI
CLK
ATT
1
2
43
5
6FM
AM
: MA3062WA
:
∗
D22
D19
S3
S4
S5
S6
S2
S1
S7
S8
S21
S20
S19
S18
S9
S10
S11
S12
S16
S15
S14 S13
S26
S22
S27
S23
S25
S24
B LINE
GND LINE
: RS-171IC2 D17,18 :
∗
A
ED1 :
∗
ED1 (COMMON)ED1 (SEGMENT)
(B38-1079-05) : KDC-1023/1023S/122/122S/222/222S
KDC-2022/V/202MR/4023 (2/2)
KDC-122/S/1023/S (2/2)
KDC-222/S/2023/3023/2024SA/SG/SYA/SYG/2094YA/YG (2/2)
RX-491CD/RY-391CD (2/2)
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.