KD-SC900R
2-2
KD-SC900R
HAB C DE FG
1
2
3
4
5
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
Tuner signal
Front signal
CD signal
Rear signal
Standard schematic diagrams
Main amplifier section
To
CD servo control section
To
LCD & Key control section CN601
C312
IC801
IC901
R738
R808
Q91
R3
C711
R739
R740
C311
C165
R734
L1
D1 D2
IC161
R7
R761
R5
R4
R6
R762
R735
R736
IC701
R743
C177
R744
R745
R807
Q1
C178
C179
IC31
Q31
C170
C180
C902
R803
R804
R805
R806
C50
R810
R809
R801
C801
SI
SCK
C91
Q2
R81
R91
SO
C802
TU1
D331
Q241
D321
Q3
Q52
C52
R979
Q10
R978
C781
IC702
R332
R322
R331
R321
R765
L701
R182
C36
C35
C46
R181
C161
C162
C171
C163
D240
R248
R746
C39
C47
R708
R171
C5
R161
R759
R83R93
R742
Q81
R760
IC71
Q9
C72
C76
C71
C75
C74
R793
VSS
R783
D781
R720
R719
VDD
R758
VPP
C73
C77
R34
C32
D84
C8
C49
X1
C706
R37
R36
R741
R243
R242
RESET
TD
C243
C901
R244
C301
C241
D243
C173
D998
RD
C916
R35
R756
X701
C917
X702
C316
D997
D996
Q84
C83
D995
R53
C172
Q881
R54
Q51
C55
C891
R891R892
C54
Q782
C968
C966
C967
C965
C964
Q6
R977
R976
C963
C962
C961
IC301
R714
R56
R57
R58
R710
R2
R881
D902
R882
C192C191
C710
Q7
C168
C167
C194
C81
C175
C707
R8
R711
Q977
C302
R712
R162
C242
D994
D993
D992
D991
R43
R713
C38
R715
R44
R716
R163
CN701
R747
R748
R749
C33
Q53
R315
R705
R59
C782
C713
R311
R312
R301
R302
R782
C322
C323
C324
C325
D901
R901
Q781
R352
R342
R341
R351
R84
R709
J1
R784
R729
R10
Q784
D782
R172
C193
C169
Q976
R173
Q891
C37
R32
R706
C34
C176
C174
C166
C164
D341
R707
R704
D351
R737
D712
D241
R757
R245
R241
CN702
C712
D971
J321
R991
S701
D714
S703
R764
R730
R731
S702
IC771
C771
R732
D715
D716
D717
J801
C31
C914
R1
C43
C1
L901
Q5
C40
C4
D701
C906
C2
C716
C313
R42
R38
R751
C314
C303
C304
R802
R92
C92
C82
R82
Q8
C910
C905
R980
C48
Q321
Q341
R165
R164
R323
R333
C321
X31
R31
C903
C9
C719
D703
C245
R750
D244
C919
R9
R39
C41
R51
D892
C319
D972
C907
R74
X71
C308
R753
R721
R722
R73
R723
R72
R71
R246
R247
C94
D242
Q331
R726
R728
R972
C701
C702
R33
C703
C704
C85
C95
C718
R52
R55
C53
CN901
D891
R703
R702
C3
C913
C881
C908
C909
C317
D705
D707
R313
R314R304
R303
D709
D702
D704
D706
D708
D711
R971
C315
C717
C911
C244
D713
D784
C912
C320
R763
C6
C318
L702
R904
R903 R902
D4
C784
R725
R40
R353
R343
R41
R174
R175
C42
C45
C307
C904
C44
Q351
C51
C915
R752
R766R767
C708
C705
R701
C709
D710
C971
D5
C341
C84
R754
R755
R771
R772
R768
R307
R308
R993
100/16
0.33
HD74HC126FP
AN80T07
4.7k
330
4.7k
220/10
4.7k
4.7k
0.33
0.18
2.2k
4.7u
TEA6320T-X
4.7k
47k
47k
3.3k
47k
47k
2.2k
2.2k
UPD784217AGC195
10k
0.033
10k
10k
100k
0.0056
4.7/25
TB2118F-X
10
UN2211-X
4.7/25
4.7/25
2.2/50
100
22k
100k
10k
100P
100
22k
47k
0.047
1/50
8.2k
8.2k
0.01
QAU0292-001
1SS355-X
2SD601A/R/-X
1SS355-X
2SC2412K/R/-X
0.01
51k
UN2211-X
0
100/6.3
IC-PST600M/G/-W
820
820
2.2k
2.2k
0
4.7u
270
7P
10P
0.01
270
1/50
1/50
1/50
1/50
1SS355-X
220
10k
1000P
0.01
3.3k
220k
1/50
220k
47k
4.7k
4.7k
10k
47k
RB160M-30-X
SAA6579T-X
UN2111
0.022
0.01
560p
47p
82p
0
1k
1SS355-X
1.2k
0
47k
2.2/50
47/6.3
2.2k
47P
1SS355-X
0.001
0.047
2.2k
2.2k
10k
180k
22k
0.047
2200/16
12k
0.33
1/50
RB160M-30-X
1/50
RB160M-30-X
2.2k
47k
QAX0617-001Z QAX0401-001
4.7/25
RB160M-30-X
RB160M-30-X
UN2111-X
0.1
RB160M-30-X
47k
1/50
UN2211-X
10k
2SC2412K/R/-X
0.47/50
0.1
1k47k
0.1
UN2211-X
100P
100P
100P
100P
100P
2SB624/4/-X
12k
27k
100P
100P
100P
LA4743K
10k
10k
15k
470
100
47k
47k
1SS355-X
4.7k
100/1047/16
47/6.3
UN2211-X
0.0056
0.033
0.082
1/50
0.18
0.047
10k
QMFZ047-150-T
100
2SA1037AK/RS/-X
0.33
100
22k
22/16
RB160M-30-X
RB160M-30-X
RB160M-30-X
RB160M-30-X
470
100
0.001
100
220
100
2.2k
QNZ0605-001
4.7k
4.7k
4.7k
47/6.3
10k
47k
47k
0.082
0.01
27k
27k
27k
27k
47k
0.1
0.1
0.1
0.1
1N5401-F64
1k
UN2111-X
820
820
2.2k
2.2k
0
10K
47k
47k
10K
UN2111-X
1SS355-X
22k
100/10
4.7/25
UN2211-X
2.2k
UN2211-X
10P
6.2k
47k
0.047
0.22
0.0082
0.1
0.22
0.0082
1SS355-X
47k
47k
1SS355-X
0
1SS355-X
1SS355-X
2.2k
47
47k
QGA2006F1-02
0.01
RB160M-30-X
QNN0489-001
0
QSW0451-001
UDZS5.6B-X
QSQ1A11-V06Z
100
10k
47k
QSW0451-001
BR24L16F-W-X
0.047
10K
LNJ308G81/1-3/X
LNJ308G81/1-3/X
LNJ308G81/1-3/X
QNZ0095-001
100/10
12
0.047
2SD601A/R/-X
22/16
QQR0703-001
2SB709A/R/-X
1SS355-X
1SS355-X
10/16
220/10
0.01
0.047
0.1
390P
2SD601A/R/-X
100
10k
390P
390P
390P
47k
2SD601A/R/-X
18k
0.0015
0.0015
18k
UN2211-X
UN2111-X
47/16
47/16
47k
0.047
2SD1781K/QR/-X
2SD1781K/QR/-X
47k
47k
100
100
0.047
QAX0616-001Z
10
47/16
220/10
0.01
10k
UDZS5.1B-X
10/16
47
0
0.047
22k
1SS355-X
0.022
2SD601A/R/-X
220/10
100
QAX0263-001Z
1/50
47k
1k
10k
2.2k
10k
2.2k
2.2k
1k
39k
0.012
1SS355-X
2SD1781K/QR/-X
10k
10k
2.2k
22P
27P
10k
27P
8P
0.001
0.001
100P
47k
2.2k
0.0047
QNZ0112-001
1SS355-X
0
0
0.01
10/16
22/16
220/10
220/10
47/16
47k
47k47k
47k
UDZS6.2B-X
UN2211-X
2.2k
4.7/25
0.1
0.1
0.22/50
UDZS11B-X
0.01
0.022
1k
0.01
22/16
4.7u
4.7k
4.7k 9.1k
1SS355-X
100/16
10k
39k
100
100
QNB0100-002
10k
47k
47k
0.01
0.0027
1/50
10/16
0.01
2SD1781K/QR/-X
330P
47k
2.2k22k
0.047
0.047
47k
0.01
1SS355-X
0.1
1SS355-X
0.047
0.012
820
10M
270
270
220
0
0
0.01
SQ
PSW
A-GND
CONT+B
DAC-CDTI
DAC-CCLK
DAC-CSN
KEY2
DAC-PDN
INT
DIMMER
REMOCON
ENC1
STEERING
SI
CD.L
ENC2
KEY1
KEY0
LEVEL
SW1
REMOCON
LCDCL
OUTLR
LCDCE
OUTLF
LCDCL
LCDDA
I/O
TU.R
SCK
SO
SI
CD.R
OUTRF
OUTRR
SW5V
TU.L
FM/AM
CDON
CH.R
LCDDA
CH.L
LCDCE
VOLDA
SW5V
VOLCL
MP3REQ
CD.R
ACC5V
I/O
A-GND
CD.L
10V
SW2
MP3DOUT
SO
MP3DIN
MP3STBY
BUS0
RST
BUS1
LM0
BUS0
MP3RESET
KEY2
SCK
LM1
BUS1
CDRW
BUS2
BUS3
RST
SQ
CCE
BUCK
VDD5V
MP3CLK
CH.SCK
CDRW
ENC2
CDON
9V
BUS2
CD8V
DIMMER
CH.R
CH.L
TELMUTE
VOLDA
VOLCL
PLLDI
SM
SD/ST
PLLCE
PLLDA
PLLCL
KEY1
KEY0
LEVEL
BUS3
BUCK
CCE
SM
MP3CLK
SEEK/STOP
AM.VCC
SW2
MP3REQ
MP3RESET
MP3STBY
MP3DOUT
MONO
MP3DIN
DAC-PDN
DAC-CDTI
DAC-CCLK
DAC-CSN
AFCK
STEERING
FR-
IFC-CONT
SEEK/STOP
AFCK
A-GND
FR+
RR-
FL+
RR-
RL+
RL-
RR+
RF-
PSW
LM0
SW1
LM1
RF+
INT
RDSCL
MONO
RDSCL
TELMUTE
ENC1
FL-
RDSDA
LF-
LF+
LR-
RR+
LR+
DIMIN
SEEK/STOP
IFC-CONT
RDSDA
PLLDI
TELMUTE
PLLCL
PLLDA
DIMIN
PLLCE
FM/AM
SD/ST
w
w
w
.
x
i
a
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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
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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