KD-SC800
2-2
KD-SC800
H
A
B
C
D
E
F
G
1
2
3
4
5
Standard schematic diagrams
Main amplifier section
To
CD servo
control
section
To
LCD & Key control
section CN601
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
Rear signal
Tuner signal
Front signal
CD signal
C41
IC771
Q6
Q7
CN701
Q41
L1
C42
R42
R41
Q976
R7
Q964
D961
R355
R43
Q42
Q31
C588
C405
C891
C305
R769
C706
R711
D976
R201
R101
C705
C709
C710
R747
C708
IC701
C714
L702
C404
C32
C304
C707
C103
VSS
R776
R32
Q2
L701
R33
IC351
R31
C301
C401
C347
C452
C598
D991
S702
R703
C31
R781
R402
R302
R701
C960
C446
VDD
R733
R738
IC301
R737
R778
R777
R775
R774
Q8
Q871
Q977
R728
R732
C711
D951
R751
RESET
R760
R726
C703
X701
C352
R45
X1
R35
VPP
LM
R731
R729
R727
R722
C952
Q351
R952
R720
R718
C951
R752
R725
R708
R750
R749
R11
C34
R753
R763
R710
MSW
Q32
Q891
C203
D471
C993
C994
C995
C996
C997
C998
D372
C992
C991
D371
D960
Q971
C2
Q963
C17
R304
C351
C451
D714
R958
R404
R712
R713
R761
C346
C702
C447
R351
R352
R451
R452
D472
D962
R961
R356
R472
R372
R471
R371
IC961
R373
R374
R474
R473
C914
R759
R965
R914
S701
C16
D992
D993
D994
D995
D996
TU1
D997
D998
D715
C772
D713
S703
R702
C716
J771
C971
R13
C33
F1
R757
C977
R735
R892
C403
C357
L961
D965
C406
J1
C43
Q5
R8
C963
R4
R5
C966
C4
C306
C303
C402
R6
BZ871
R721
R719
R717
C699
C354
R871
D2
R765
R891
C302
D891
C353
C453
C454
R766
R734
R714
R715
R347
C967
R102
C102
C202
R202
C969
C964
C965
C713
C968
C962
R746
R707
C359
R736
R706
R767
R730
R768
C309
C873
R34
C307
C310
Q951
D31
Q371
Q372
C355
C361
R782
C362
R1
C15
C12
R2
R403
R303
C308
R779
R773
R772
R764
C771
R755
R754
R756
R762
R709
R744
C7
C44
R704
R953
R954
R956
R957
C105
D952
D302
R758
D301
R346
C954
R969
R447
R446
R745
C364
C6
D702
D703
C1
D704
D705
D706
D707
D708
D709
B352
C365
C872
D964
D963
C961
C953
R966
R967
C5
Q471
B351
D977
R3
R9
R705
R893
C871
R12
B961
B962
C698
C715
D953
D711
D710
R724
R723
R354
R353
R454
R972
R453
D712
R971
R14
R301
R401
R968
C976
D351
C356
C358
D1
R963
R962
D4
D701
D3
R376
R375
R476
R475
R357
Q472
D892
J931
R791
C11
R358
R955
R951
C970
C975
C371
C372
C205
C984
C983
C982
C981
C712
CN901
R15
D7
0.056
HD74HC126FP-X
2SB624/4/-X
UN2211-X
QNZ0605-001
2SC3661-X
4.7u
0.012
3.9K
1K
UN2111-X
47K
UN2211-X
1SS355-X
100K
1K
2SC3661-X
2SD601A/R/-X
4.7/25
0.033
0.047
0.033
100
22p
47K
1SS355-X
2.7K
2.7K
22p
0.047
0.1
4.7K
220/6.3
UPD178078GF-594
0.1
4.7u
0.22
0.001
0.22
220/6.3
1/50
100K
1K
UN2211-X
4.7u
10K
LA47505
1.5K
4.7/25
4.7/25
2.2/50
0.33
4.7/25
RB160M-30-X
QSW0451-001
4.7K
2.2/50
330
22k
22k
4.7K
3300/16
2.2/50
47k
47K
TEA6320T-X
47K
100
22K
10K
100
UN2211-X
UN2211-X
UN2111-X
47K
10k
0.047
RB160M-30-X
10K
10K
0
0.1
QAX0406-001Z
0.33
1K
1K
47K
47K
0
4.7K
0.047
UN2211-X
12K
4.7K
4.7K
1/50
10K
47k
0
1.2K
0
0
0.22/50
47k
10K
47K
2SD601A/R/-X
MA152WA-X
1/50
1SS355-X
100p
100p
100p
100p
100p
100p
1SS355-X
100p
100p
1SS355-X
1N5401-F64
UN2211-X
0.1/50
2SB709A/R/-X
120p
4.7K
0.33
0.33
LNJ308G81/1-3/X
220
4.7K
10K
10K
10K
2.2/50
0.1
2.2/50
27K
27k
27K
27K
1SS355-X
RB160M-30-X
1K
10K
820
820
820
820
HA13164A
2.2K
2.2K
2.2K
2.2K
10/16
47K
47K
10K
QSW0451-001
7p
RB160M-30-X
RB160M-30-X
RB160M-30-X
RB160M-30-X
RB160M-30-X
QAU0281-001
RB160M-30-X
RB160M-30-X
LNJ308G81/1-3/X
0.01
LNJ308G81/1-3/X
QSQ1A11-V06Z
4.7K
330p
QNZ0095-001
22/16
15
220/10
QMFZ047-150-T
1K
100/16
10K
1K
0.18
0.022
QQR0703-001
RB160M-30-X
0.0056
QNB0100-002
150p
2SB709A/R/-X
4.7K
10/16
47K
3.3K
0.47
220/10
0.0056
0.18
0.0082
47k
QAN0023-001Z
10K
10K
10K
0.1
390p
2.2K
1SS355-X
47K
47K
0.0082
1SS355-X
390p
390p
390p
47K
100k
10K
10K
47K
220/10
4.3K
0.0047
0.0047
4.3K
220/10
10/16
22/16
0.01
220/10
47/16
10K
2.2K
22/16
10k
2.2K
47K
10K
47K
47/16
4.7/25
33
100/10
100/10
2SD601A/R/-X
UDZS10B-X
2SD1781K/QR/-X
2SD1781K/QR/-X
100/16
1/50
100K
4.7/25
68
12p
0.01
22K
2.2k
2.2k
0.01
47K
22K
47K
47K
0.047
1.2K
1K
4.7K
10K
2.2K
0
22/16
0.1/50
270
180k
22K
1k
220K
0.033
1SS355-X
1SS355-X
10K
1SS355-X
47K
0.22/50
2.2K
47K
47K
0
1/50
10/16
0.047
0
1/50
0.1/50
RB160M-30-X
RB160M-30-X
2.2/50
22/16
12K
27K
0.01
2SD1781K/QR/-X
0
UDZS11B-X
8.2K
47K
270
47K
0.1/50
15
51K
0
0.47
0.1
UDZS5.1B-X
150K
150K
47K
47K
47K
47K
47K
4.7K
10K
220k
220k
2.2K
100/6.3
1SS355-X
0.022
47/16
1SS355-X
4.7K
9.1K
1SS355-X
1SS355-X
100
100
100
100
10K
2SD1781K/QR/-X
1SS355-X
QNN0489-001
180
0.01
47K
47
47K
0.1
0.01
0.047
270p
0.033
0.1
0
.1
0.1
0.1
0.01
QNZ0611-001
10K
1SS355-X
CH.L
SEEK/STP
SD/ST
SD/ST
SW5V
SI
DIM
SO
CH.R
GND
GND
AMEO
I/O
SCK
FMEO
MONO
BUZZER
MUTE
FM/AM
ANT
ILL
10V
TELMUTE
CTRL
ENC1
ANT
PSW
REM
FMOSC
LCDDA
CD.R
LCDCL
ENC2
SM
PS2
CD8V
ACC5V
10V
KEY2
FMEO
AMEO
SW5V
LCDCE
GND
RST
CCE
BUCK
9V
BUS3
BUS2
BUS1
BUS0
KEY1
KEY0
CD-RW
CDON
MSW
LM
LEDB
SW2
SW1
IFC
CD.L
LEDR
10V
VDD
FM/AM
CD.L
CH.L
CD.R
CH.R
INT
ILL
FMOSC
IFC
SEEK/STP
MONO
TELMUTE
SW2
PSW
LCDCL
REM
LCDDA
LEDB
CD-RW
SW1
LCDCE
MSW
CDON
VOLCL
SM
PS2
RST
VOLDA
VOLDA
ENC1
ENC2
BUS3
KEY0
KEY1
KEY2
BUS2
BUS1
BUS0
CCE
BUCK
LM
CTRL
MUTE
BUZZER
LEDR
VOLCL
