KD-LX555R
2-2
KD-LX555R
1
2
3
4
5
A
B
C
D
E
F
G
H
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
TUNER SIGNAL
CD SIGNAL
TAPE SIGNAL
AUX IN SIGNAL
MAIN SIGNAL
GND1
AM
_
ANT
AM
_
VCC
FM
_
VCC
FM
_
ANT
GND6
PLL
_
VSS
CF
_
BW
_
MONIT
OR
LPF
_
VCC
L
R
SD/ST
_
IND
PLL
_
VDD
CE
DI
CL
DO
MRC
_
SENSOR
FM/AM
_ S
.METER
MPX
_
VCC
MUTE
_
DRIVE
FM/AM
_
DET
J1
D1
D
AN217U
4.7uH
L1
0.047
0.01
C1
C13
C2
47/16
C9
C3
47/16 0.01
C14
0.047
10
B5
C5
100/10
C6
NM
L7
1.8uH
C15
NM
39K
B1
C11
0.01
C4
220/10
C7
0.1/50
C103
0.015
C203
0.015
R213
C213
4.7K
4.7/25
R200
4.7K
R100
4.7K
R113
C113
4.7K
4.7/25
Q100
2SC4081
QRS
Q200
2SC4081
QRS
C123
470P
R123
12K
C223
470P
R223
12K
C224
0.01
R400
R401
3.3K
2.2K
CDCH[2]
15K
R402
R403
47K
R302
15K
R303
47K
REF
VCC
DFP
_
I1
DFN
_
I1
INA1
INB1
INC1
IND1
DFN
_
01
SEL
_
01
VO
L
_
I1
TO
N
_
01
FA
D
_
I1
REA
_
01
FR
_
01
NF
_
01
GND
D
ATA
VDD01
EVOL[1]
DFP
_
I2
DFN
_
I2
INA2
INB2
INC2
IND2
DFN
_
02
SEL
_
02
VO
L
_
I2
TO
N
_
02
FA
D
_
I2
REA
_
02
FA
_
02
NF
_
02
VDD
CLOCK
VDD02
C403
100/10
D430
CRS03
E.VOLUME
C400
4.7/25
C401
C402
4.7/25
1/50
C404
2.2/50
C405
2.2/50
C430 10/16
C431
0.047
C406 1/50
EVOL[2]
GND
TU[14]
TU[6]
TU[10]
TU[6]
TU[11]
TU[12]
TU[13]
TU[3]
TU1
FAE372-E01
R10
R11
4.7
4.7
Q13
2SA1576A
QRS
47K
R14
Q11
2SB1197K
QR
47K
R12
4.7K
R13
R12
Q12
DTC114EU
A
D11
R15
3.3K
D
AN202U
TU[9]
TU[4]
C25
0.47
R25
10K
Q23
2SC4081
QRS
R26
10K
R27
470
C24
0.1
Q22
2SC4081
QRS
R28
47K
10K
R23
47K
R21
C22
0.01
C23
0.0047
2.2K
R22
39K
C21
330P
CH
Q24
DTC114EU
A
Q34
DT
A114EU
A
Q5
DTA114EUA R16
4.7K
C10
NM
Q3
DTA114EUA
C8
NM
TU[14]
TU[5]
TU[1-14]
CN501
TKC-W22P-M1
TP7
TP8
TP9
TP10
TP11
CD_Rch
AGND
AGND
CD_Lch
9V
ON5V
(CD_SCK)
(CD_LRCK)
(CD_DATA)
(DISC_SEL)
CD_MUTE
CD_REQ
CD_RESET
B.DET
P.DET
BUS_SI/SO
BUS_CLK
VDD5V
CD8V
CD8V
GND
GND
TP12
TP13
TP14
TP15
TP16
TP17
TP18
TP19
TP20
B
US[2]
B
US[1]
R800
R801
0
0
0.01
0.01
C804
C800
Q800
DTC114EU
A
C801
0.01
Q801
DTC114EU
A
C802
0.01
Q802
DTC114EU
A
Q803
DTC114EU
A
Q804
DTC114EU
AMD[1]
MD[2]
MD[3]
CONT[1-12]
Q702
2SA1576A
QRS
TP21
TP22
TP23
TP25
L800
47uH
TP24
TP26
CN702
TP27
TP28
TP29
CONT[1]
CONT[2]
10V
KEY0
KEY1
GND
GND
GND
SI/SO
SCK
REMOTE
CH_Lch
GND
CH_Rch
VCC
GND
GND
GND
GND
GND
GND
GND
ACC
REMOTE
NC
REAR RIGHT(+)
REAR RIGHT(-)
REAR LEFT(-)
REAR LEFT(-)
FRONT LEFT(+)
FRONT LEFT(-)
FRONT RIGHT(-)
FRONT RIGHT(+)
TEL
NC
ILLUMINATION
MEMORY
FUSE 15A
FRONT_Lch
GND
FRONT_Rch
REAR_Lch
GND
REAR_Rch
Q4
2SC4081
QRS
R51
22
MODE
SYNC
GND
VDD
OSCI
OSCO
TCON
CLK
SCOUT
CIN
GND
VDD
MUX
VFEF
D
ATA
QU
A
L
IC51
BU1923F
4.332MHz
12P
12P
CH
CH
47/16
0.01
C52
C51
C53
C54
R52
2.2K
2.2K
R54
10K
R53
X51
TU[7]
TU[8]
TU[13]
TU[12]
TU[11]
TU[10]
TU[9]
TU[8]
TU[7]
TU[6]
TU[1]
TU[2]
CONT[9]
CONT[10]
CONT[3]
CONT[4]
CASW[3]
CASW[2]
CASW[1]
C751 NM
MOTOR[1-6]
Q701
A
R713
1K
R726
47K
TP68
TP45
TP46
CN830
IC830
BA6956AN
TP47
TP48
CN831
IC831
BA6956AN
C830
100/10
R833
4.7K
Q833
DTC114EU
A
R831
4.7K
Q831
DTC114EU
A
R832
3.3K
Q832
DTA114EUA
R830
3.3K Q830
DTA114EUA
MOTOR[1]
MOTOR[2]
MOTOR[3]
MOTOR[4]
MOTOR[5]
MOTOR[6]
TP5
GND
0.47
C750
R742
10K
CH
C719
C712
0.47
220P
MD[1-3]
MD[3]
MD[1]
EVOL[1]
EVOL[2]
R747
R748
R749
R728
4.7K
1K
1K
2.2K
MOTOR[5]
MOTOR[6]
VPP
TP6
CD_ON
MUTE
CD_RESET
CD_MUTE
NC
VDD
VOL_DA
VOL_CLK
CF_SEL
NC
LCD_RST
NC
DMK
TMK
NC
NC
NC
NC
TEST
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
DIM
_
OUT
ILLUMI
VDD
X2
X1
VSS
XT2
XT1
RESET
CD
_
P.REQ
BU
S
_
INT
PS2
H.REMOCON
RDS
_
SCK
RDS
_
DA
REMOCON
A
VDD
A
VREF0
TEMP
R700
10K
C721
C722
0.0022
0.0022
TM1
TM0
BUS_I/O
I2C_CLK
I2C_DAO
I2C_DAI
BUZZER
LCD_CE1
LCD_SCK
LCD_DA
NC
BUS_SCK
BUS_SO
BUS_SI
AVREF
DOT_CNT
NC
AVSS
SM
SQ
MRC
LEVEL
KEY2
KEY1
KEY0
R723
R722
R721
R720
1K
10K
10K
330
L719
1.8uH
1.8uH
L718
4.7K
4.7K
4.7K
R717
R716
R715
R714
10K
10K
R727
R712
R711
R710
10K
10K
10K
R707
R708
R709
C723
4.7K
4.7K
4.7K
100P
CH
TU[2]
TU[1]
TU[3]
TU[4]
TU[5]
CONT[11]
CONT[12]
CONT[1]
CONT[2]
CONT[8]
CONT[7]
CONT[6]
CONT[5]
PO
WER
PS1
DIM
_
IN
VSS
NC
TEL
_
MUTE
PLL
_
DI
PLL
_
CLK
PLL
_
DO
PLL
_
CE
FM/AM
NC
SEEK/STP
VO
L
2
VO
L
1
C
_
SW5
C
_
SW4
C
_
SW3
C
_
SW2
C
_
SW1
AFCK
NC
SD/ST
DW
1
DMO
R768
R769
R770
NM
NM
NM
TP1
SI
TP2
SO
R724
270
270
R725
Q791
DTC114EU
A
C791
0.1/50
BZ791
1K
R791
PKM13EPY
-4000
L701
47uH
MO
T
OR[4]
MO
T
OR[3]
MO
T
OR[1]
MO
T
OR[2]
NM
R767
R760
10K
1K
R736
R718
100K
100K
10K
R719
R737
R757
10K
R762
2.2K
2.2K
2.2K
2.2K
R763
R764
R765
R739
47K
10K
R738
R731
R732
R733
R734
R735
47K
47K
47K
47K
47K
47K
47K
R766
R761
SD
A
SCL
WP
VCC
IC703 BR24C32D
0.047
C720
GND
A2
A1
A0
C711
0.47
TP4
VDD
R702
100
X701
12.5MHz
15P
C704
CH
CH
15P
C703
C702
C701
27P
CH
CH
22P
32.768KHz
X702
R701
47K
10M
R751
TP3
RESET
C757
C724
0.1
0.0022
TH700
10K
R704
R703
47K
47K
MD[2]
C708
10/16
PST3433UL
VDD
NC
VO
U
T
VSS
C707
0.01
IC702
C706
C705
C713
C710
0.047
220P
CH
220/10
1000/6.3
R705
47K
D711
1SS400
R706
10K
R840
1K
R752
0
R841 22K
Q700
DT
A114EU
A
CDCH[1]
CDCH[2]
GND
R118
100K
0.0022
C116
C937
0.1
R218
100K
C216
0.0022
C840
C100P
CH
TP57
TP56
TP55
TP54
TP53
TP58
CN840
R776 100K
R779
47K
R777 22K
1C
1A
1Y
2C
1.8uH
L772
2A
2Y
GND
R772
47K
C771
0.047
VCC
4C
4A
4Y
3C
3A
3Y
IC771
HD74HC126FP
R775
10K
R781 330
R782 100K
L771
1.8uH
R773
22K
BUS[1-2]
B
US[1]
B
US[2]
TP49
TP50
TP51 TP52
CN771
GND
L961
140uH
Q983
2SC4081
QRS
C982
22/16
C970
0.001
R978
100K 2012
R985
4.7K
Q986
DTC114EU
A
C987
0.1
R989
4.7K
D
AP202U
D986
R986
1K
47K
R987
47K
R984
D967
CRS03
C968
0.1
R976
2.2K
2012
R977
2.2K
2012
CRS03
D962
R962
R979
R963
4.7K
C962
2.2/50
1K
1/4W
9.1K
D701
CRS03
SP[1]
SP[2]
SP[3]
SP[4]
SP[5]
SP[6]
SP[7]
SP[8]
CN901
3300/16 105 C
C961
1N5404TU-15
D961
R971
39K
6.8K
R970
Q966
2SA1576A
QRS
Q965
DTC114EU
A
SP[1-8]
C999
0.1
CQ
C1000
0.1
CQ
C1000
0.1
CQ
SP[8]
SP[7]
SP[1]
SP[2]
SP[5]
SP[6]
SP[4]
SP[3]
C1002
0.1
CQ
100P
CH
100P
100P
100P
100P
100P
100P
100P
C993
CH
CH
CH
CH
CH
CH
CH
C992
C994
C991
C997
C996
C995
C998
C940
NM
NM
R944
C946
0.47/50
AC_CONT1
OUT_RR-
OUT_FR-
IN_FR
S_GND
IN_FL
OUT_FL-
OUT_RL-
AC_CONT2
0.47/50
C947
P_GND
MUTE
VCC
P_GND
ON TIME C
IN_RL
IN_RR
RF
P_GND
VCC
STBY
P_GND
C941
22/16
C942
47/16
C943
0.01
2012
0.1
C945
27K
2.2/50
R941
C944
DTC114EU
A
Q943
Q942
DTC114EU
A
6.8K
R943
10K
D941
R945
1SS400
Q982
DTC114EU
A
R988
3.3K
10K
18K
TH981
R981
Q981
DTA114EUA
15K
R975
47/16
C971
C967
C966
C965
R968
NM
22/16
0.01
22/16
0.01
C972
C964
220/10
22/16
C969
D963
1SS400
C371
C472
330P
330P
CH
CH
CH
CH
330P
330P
C471
C372
100K
100K
R373
R474
100K
100K
R374
R473
0.33
C470
CQ
0.33
CQ
C369
R470
10K
10K
R369
FR
AMP[4]
FL
AMP[3]
AMP[1-4]
10K
R370
RL
AMP[2]
RR
AMP[1]
10K
R369
0.33
CQ
C370
0.33
CQ
C469
GND
DTA114EUA
Q948
R372
0
0
R371
C978
100/10
D980
1SS400
Q979
DT
A114EU
A
UDZ11B
D978
C977
22/16
Q977
DT
A114EU
A
EXT
_
OUT
ANT
_
OUT
AC
C
_
IN
VDD
_
OUT
SW5V
_
OUT
COMP
_
OUT
ANT
_
CTRL
VCC
BA
TT
_
DET
AU
D
IO
_
CET
CTRL
CD
_
OUT
ILM
_
AJ
ILM
_
OUT
GND
IC961
HA1364A
TP64
TP63
TP62
NM
NM
C481
C481
Q481
2SD1048
X678
X678
Q381
2SD1048
R483
100
100
R383
R381
2.2K
R481
2.2K
DAP202U
D381
LINE[4]
LINE[1]
LINE[3]
DAP202U
D380
R380
2.2K
2.2K
R480
Q480
2SD1048
X678
Q380
2SD1048
X678
R482
100
C480
C380
100
NM
NM
TP59
TP60
TP61
CN380
R382
LINE[2]
AMP[1]
RR
AMP[4]
FR
AMP[3]
FL
RL
AMP[2]
C363
0.001
3.3K
R365
R367
15K
V+
A
OUTPUT
A-INPUT
A+INPUT
BOUTPUT
B-INPUT
B+INPUT
V-
IC361
NJM4565M-D
C364
0.001
R366
3.3K
15K
R368
R364
15K
R358
10K
10K
R359
R363
15K
C362
4.7/25
4.7/25
C361
C367
47/16
47/16
C467
4.7/25
C462
R459
R464
15K
10K
R458
R463
15K
10K
4.7/25
C461
NM
R468
15K
3.3K
R466
C464
0.001
B-INPUT
B+INPUT
BOUTPUT
V+
V-
A-INPUT
A+INPUT
A
OUTPUT
C463
0.001
3.3K
R465
R467
15K
IC461
NJM4565M-D
R472
R471
0
0
LINE[4]
LINE[3]
LINE[2]
LINE[1]
680
680
680
680
R234
R235
R135
R134
47K
47K
R462
R461
47K
47K
4.7/25
4.7/25
C308
C307
4.7/25
C408
4.7/25
C407
R362
R361
1/50
C306
C305
2.2/50
C304
2.2/50
1/50
C302
C301
C300
4.7/25
4.7/25
10/16
C303
220K
220K
R111
R211
D111
DAN202U
C161
1/50
47K
R161
22K
R164
1K
390
R166
22/16
C162
R165
Q161
2SC4081
QRS
R163
180K
12K
R162
C163
0.047
DAN217U
D161
270K
R167
C164
0.22
CDCH[1-2]
C57
C56
0.022
2.2/50
C55
560P
CH
CDCH[1]
R300
R301
2.2K
3.3K
EV
OL[1-2]
REGULATOR
CPU
MOTOR DRIVER
RDS
FM/AM
TUNER
POWER AMP
LINE OUT
PRE AMP
LINE[1-4]
J.BUS BUFFER
H-REMOCON
IC400
M1508FP
DOOR_MOTOR
TRY_MOTOR
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
8
7
6
5
4
3
2
1
16
15
14
13
12
11
10
9
4
3
2
1
5
6
7
8
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
1
2
3
4
5
6
1
2
1
2
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
9
8
7
6
5
4
3
2
1
1 2 3 4 5 6 7 8 9 10111213141516171819202122232425
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
1
4
3
2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
13
12
11
10
9
8
7
6
5
4
3
2
1
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
13
2468
579
10
12
14
11
13
16
15
17
18
19
21
23
25
20
22
24
IC941
LA47505
1:GND
2:ACC
3:REMOTE
4:NC
5:REAR RIGHT(+)
6:REAR RIGHT(-)
7:REAR LEFT(-)
8:REAR LEFT(+)
9:FRONT LEFT(+)
10:FRONT LEFT(-)
11:FRONT RIGHT(-)
12:FRONT RIGHT(+)
13:TEL
14:NC
15:ILLUMINATION
16:MEMORY
IC962
IC uPD784217AGC-208-8EU
DC CONNECTOR
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
15A
1
2
3
4
5
6
R24
*
Note:NM=No Mount
GND
STYLE PIN 32
STYLE PIN 32
STYLE PIN 32
Standard schematic diagrams
Main amp section
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299