Page 1
KD-SX9350,KD-SX990
SCHEMATIC DIAGRAMS
CD RECEIVER
KD-SX9350,KD-SX990
CD-ROM No.SML200302
Area Suffix
J Northern America
Contents
Block diagram
Standard schematic diagrams
Printed circuit boards
SOUN D
ATT
U
SOURCE
F
R
D
VOL
VOL
SOUN D
ATT
U
SOURCE
F
R
D
VOL
VOL
Model
KD-SX9350
KD-SX990
KD-SX9350
KD-SX990
Subwoofer cable
Provided
Not provided
2-1
2-2
2-5,6
COPYRIGHT 2003 VICTOR COMPANY OF JAPAN, LTD.
No.49781SCH
2003/02
Page 2
KD-SX9350,KD-SX990
Safety precaution
!
!
Burrs formed during molding may be left over on some parts of the chassis. Therefore,
pay attention to such burrs in the case of preforming repair of this system.
Please use enough caution not to see the beam directly or touch it in case of an
adjustment or operation check.
Page 3
Block diagram
5
KD-SX9350,KD-SX990
KD-SX9350 only
SUBW OUTPUT
CN251
L, R
IC251
SUBWOOFER
J1
ANT
TU1
FM/AM
SEL
TEB
RFGC
TE,FE
RFDC
RF
RFRP
FMO
DMO
TRO
FOO
RWSEL
IOP
BUS0
BUS1
BUS2
BUS3
BUCK
CCE
DSPRST
LOAD
LD/FE
CDON
IC571
24bit DAC
DACML
DACMC
DACMD
DACCS
DSPRST
IC501
CPU
VA,VB
VE,VF
MD,LD
IC601
CD RF
4
REST
REST
SWITCH
LOAD/FEED
MOTOR
SPINDLE
3
MOTOR
SW1,SW2
PICKUP
LOAD/FEED+
LOAD/FEED-
SPINDLE+
SPINDLE-
SW1,SW2
A,B,E,F
VR,MD,LD
FOCUS+
FOCUSTRACKING+
TRACKING-
CN601
LOAD/FEED+
LOAD/FEEDSPINDLE+
SPINDLETRACKING+
TRACKINGFOCUS+
FOCUS-
SW1,SW2,RESET
IC621
D.SERVO
& DSP
IC681
CD DRIVER
SDO
LRCK
BCK
BCK
LRCK
DATA
MP3RST
MP3DA
MP3CK
CDRESET
DISCSEL
CDMUTE
CDREQ
B.DET
P.DET
/BUSIO
BUSIO
BUSSI
BUSSO
BUSSCK
VOUTL
VOUTR
IC653
SRAM
IC652
MP3 DEC
IC503
J-BUS
BUFF
IC572
CD LPF
CD.L-CH
CD.R-CH
IO0~IO7
AD0~AD16
OE,CE,WR
BUSSI/SO
BUSCLK
CN101
CN501
TUNER
FM VT
AM VT
FM/AM OSC
IC31
PLL
PLLCE
PLLDA
PLLCL
PLLDI
CD.L-CH
CD.R-CH
CDMUTE
CDREQ
CDRESET
B.DET
P.DET
BUSSI/SO
BUSSI/SO
BUSCLK
TU.R
TU.L
SEEK/STOP
SD/ST
FM/AM
MONO
SM
2
EN601
LCD
COM1~COM3
S1~S68
KEY0~KEY2
S601~S617
KEY
MATRIX
IC601
LCD
DRIVER
REMOCON
IC602
REMOCON
LCDCE
LCDDA
LCDCL
ENCODER
ENC1
ENC2
L-CH,R-CH
J601
AUX IN
CN701
CN601
AUX.L
AUX.R
REMOCON
ENC1,ENC2
LCDCE,LCDDA
LCDCL
KEY0,KEY1,KEY2
CHANGER
CONTROL
SWL
SWR
IC161
E.VOL
SUBWMUTE
IC701
CPU
BUSSO
I/O
BUSINT
BUSSCK
IC801
JVC BUS
SI/SO
SCK
J801
OUTRF
OUTRR
VOLDA
VOLCL
RESET
CH.L
CH.R
OUTLF
OUTRF
KD-SX9350 only
LINE AMP
LINE AMP
EPROMCLK
EPROMDO
EPROMDI
IC361
Lch
IC381
Rch
FRONTR
REARR
IC771
EPROM
IC702
RESET
FRONTL
REARL
J321
LINE OUT
INLF
INLR
IC301
POWER
AMP
INRF
INRR
OUTLF+
OUTLFOUTRF+
OUTRFOUTLR+
OUTLROUTRR+
OUTRR-
CN901
SPK
BATT
1
AB CD E F G
2-1
Page 4
Standard schematic diagrams
Main amplifier section
TU1
QAU0291-001
J1
10K
150P
C727
D703
D704
X31
QAX0616-001Z
TB2118F-X
R32
6.2K
C34
0.047
1K
R841
C841
0.1/50
Q701
D705
D707
D706
CH.R
AGND
CH.L
QNB0100-002
IC31
PS2
UN2211-X
D709
D708
C802
0.01
C33
47/6.3
QAN0023-001Z
C722
B.DET
D720 D719
C37
10P
BZ841
Q841
UN2211-X
0.01
C725
L1
0
4.7
B1
1SS133-T1
1SS133-T1
D2
0.047
D1
22/16
C2
C1
C39
1000P
R38
100
R39
0
C38
1000P
R40
39K
C40
10/16
C31
100/10
Q702
UN2211-X
POWER
D718 D717
R805
100k
R804
22K
R803
100
47K
R802
0.047
C721
C48
C41
C803
0.01
P.DET
C731
22P
0.047
10
R31
100P
C42
0.01
R42
10
Q703
RESET
C715
C732
100P
0.1
HD74HC126FP-X
C43
0.047
UN2211-X
0.01
C720
UN2211-X
CDRESET
C716
0.1
R806
IC801
R41
Q31
5
C36
7P
C35
10P
2.2K
R37
PLLCE
2.2K
R36
PLLDA
2.2K
R35
PLLCL
2.2K
R34
CD.L-CH
AGND
AGND
CD.R-CH
9V
ON5V
DISCSEL
CDMUTE
CDREQ
CDRESET
B.DET
P.DET
BUSSI/SO
BUSCLK
VDD5V
CD8V
CN101
REMOCON
ACC5V
10V
ENC1
ENC2
LCDCE
LCDDA
LCDCL
KEY2
KEY1
KEY0
AUX.L
AUX.G
AUX.R
CN701
QNZ0095-001
PLLDI
0
R786
QGB2027M4-22S
QNZ0007-002
J801
R33
D701
D702
4
To
CD servo
control section
3
CN501
2
To
LCD & Key
control section
CN601
1
KD-SX9350,KD-SX990
1SS133-T1
D243
C84
C94
0.015
0.015
MONO
IC701
UPD784215AGC199
1.2K
R720
0
R719
47k
47k
10K
VPP
C95
0.015
R3
4.7k
VDD
1/50
C81
C91
1/50
C85
R10
0.015
0
Q2
2SD601A/R/-X
Q3
UN2111-X
0.047
R81
2.2K
R91
2.2K
3.9K
3.9K
C82
C92
R92
R82
TU.L
TU.R
CH.L
CH.R
AUX.R
AUX.G
AUX.L
CD.L-CH
CD.L
CD.R-CH
LEVEL
R758
47K
1K
10K
R721
R722
RESET
/CDMUTE
X1
C730
220/10
220/10
C729
C728
C177
C176
VSS
R197
0.0033
R196
0.0033
PLLDI
PLLCL
10M
R755
C705
0.047
QAX0617-001Z
100K
100K
PLLDA
X701
C704
PLLCE
R754
8P
C164
C175
C174
C245
C173
C163
C172
C162
C171
C161
FM/AM
820
C703
0.22/50
UDZS11B-X
UDZS11B-X
SK/SP1
10K
R723
R701
27P
C702
QAX0401-001
C244
0.015
D722
X702
27P
1/50
1/50
1/50
1/50
1/50
1/50
1/50
1/50
1/50
47k
1SS133-T1
R247
180K
S702
QSW0451-001
10K
R725
/CDREQ
22P
C701
Q1
C5
1/50
R4
R5
3.3K
47K
D5
1SS355-X
330P
C51
SK/SP1
22K
R51
SM
POWER
2SD601A/R/-X
C11
R2
47K
12
R1
SD/ST
C706
0.1
VOLDA
VOLCL
SUBWMUTE
R768
R767
R760
R759
R714
TU.OSC
VT
220/10
C4
10K
C45
0.0027
C44
0.01
C46
0.01
C47
0.01
R43
470
C32
C50
47P
100P
47k
R780
Q704
CDREQ
/CDREQ
UN2211-X
C717
0.1
10k
0.01
C6
C9
10/16
R11
10K
R781
CDMUTE
0.01
C3
2SB624/4/-X
R7
4.7K
FM/AM
47k
Q705
/CDMUTE
UN2211-X
R765
510
D714
SLR-56MC3F
R810
100
C801
0.047
R808
330
Q6
220
BUZZER
47K
R801
0
R9
R6
47k
Q7
UN2211-X
R44
BUSSI/SO
22k
R809
22P
C804
2SB709A/R/-X
C49
0.001
BUSSO
I/O
R807
100K
BUSINT
BUSSCK
BUSCLK
D4
1SS355-X
Q5
D242
D721
BUSINT
0.047
1k
R246
R753
10/16
PS2
C243
C179
47K
R245
100
C242
22/16
Q241
2SD601A/R/-X
IC161
TDA7404D-X
MONO
10K
R726
R751
C708
0.047
R244
12k
R242
22k
SD/ST
10K
R728
10K
REMOCON
R243
180k
C241
1/50
R241
47k
R729
47K
10K
R750
ENC1
R756
47K
KD-SX9350,KD-SX990
R787
10K
0.01
C182
C181
100/16
R161
2.2K
VOLDA
VOLCL
2.2K
R162
R163
270K
R164
0
R165
10K
R166
10K
L701
4.7
BR24L16F-W-X
RESET
IC771
270
R771
TD
IC702
D710
1SS355-X
270
R772
R732
R733
R734
R735
R736
R737
R738
R739
R740
R741
R766
R743
R744
R745
R746
R764
100
IC-PST600M/G/-W
C709
0.01
C771
0.047
R730
10K
10K
10k
2.2K
2.2K
2.2K
0
4.7K
4.7K
4.7K
RD
10K
47K
10K
10K
10K
10K
S703
QSW0534-001
D713
UDZS5.6B-X
C710
47/6.3
R731
47K
QSW0451-001
S701
4.7K
4.7K
4.7K
BUZZER
LCDCE
LCDCL
LCDDA
BUSSCK
BUSSO
BUSSI/SO
LEVEL
KEY2
KEY1
KEY0
ENC2
R747
R748
R749
R757
2.2K
C711
220/10
C713
0.01
I/O
C707
0.047
SM
LA47505
C312
R314
R304
C301
C302
UDZS11B-X
C902
2.2/50
390P
C313
390P
C303
Q784
UN2111-X
100/16
R901
1K
390P
C314
390P
C304
C784
IC301
C305
4.7/25
C316
4.7/25
D971
RB160M-30-X
QNZ0611-001
QMFZ047-150-T
F1
CN901
R316
1K
0.1
C971
RB160M-30-X
RB160M-30-X
RB160M-30-X
RB160M-30-X
RB160M-30-X
RB160M-30-X
RB160M-30-X
RB160M-30-X
100P
100P
100P
100P
100P
100P
100P
100P
QQR0703-001
D972
RB160M-30-X
C317
47/16
D901
1N5401-F64
C901
3300/16
L901
R971
C319
0.022
OUTLR-
OUTLF+
OUTRR-
C320
0.022
OUTRR+
OUTLF+
0.1
0.1
0.1
0.1
OUTLF-
OUTLR+
OUTRR+
C306
4.7/25
C322
C323
C324
C325
OUTRF+
C318
C315
22/16
0.47/50
D995
D991
D996
D992
D997
D993
D998
D994
C965
C961
C966
C962
C967
C963
C968
C964
OUTRF+
OUTLR+
OUTRF-
R972
2.2K
2.2K
OUTLF-
OUTLR-
OUTRR-
OUTRF-
0.047
150P
100
R353
C341
C369
100/10
C366
100/10
C389
100/10
C386
100/10
R258
10K
R259
1.2K
C368
4.7/25
C367
4.7/25
C388
4.7/25
4.7/25
C252
47/6.3
R252
C254
0.082
D251
UDZS4.7B-X
R271
2.2K
2SD1781K/QR/-X
IC901
C387
47K
C321
R251
C262
10/16
Q271
HA13164A
Q351
2SD1781K/QR/-X
R351
820
R352
C257
0.039
100K
C251
0.01
R261
820
14.4V
2.2k
D351
1SS355-X
NJM4565M-WE
IC251
C256
0.01
C255
47/16
C261
10/16
1SS355-X
R178
R177
BA3220FV-X
IC361
33K
R361
C361
4.7/25
R362
4.7/25
C362
24k
47/16
C363
R363
4.7/25
C364
C365
4.7/25
24k
10K
10K10K
R366
R367R387
10K
R386
R168
R167
R364
150K
0.01
0.01
100/10
33K
C391
C392
C390
4.7/25
4.7/25
47/16
4.7/25
4.7/25
D781
1SS133-T1
SUBWMUTE
R381
R382
24k
R383
24k
R384
150K
C782
0.082
Q781
C781
47/6.3
C381
C382
C383
C384
C385
IC381
C724
0.1
UN2111-X
R365
BA3220FV-X
R385
10/16
C253
33K
33K
0
R255
R256
R257
D271
1SS355-X
D272
1SS355-X
C264
47/6.3
R254
470K
R253
100K
100K
8.2K
D902
1SS355-X
R341
D341
0.047
100
R343
Q341
2.2k
820
R342
C273
100P
C272
100P
C271
R272
R273
R333
100
Q331
2SD1781K/QR/-X
2SD1781K/QR/-X
R331
820
R332
1SS133-T1
100
100
2.2k
D331
D782
1SS355-X
47K
R368
47K
R389
R321
D321
1SS355-X
R311
R312
47K
R369
47K
R388
R302
R782
47K
R784
47K
Q782
UN2211-X
2.2k
R313
R303
R301
100
R323
Q321
2SD1781K/QR/-X
820
R322
C311
2.2/50
2.2/50
2.2/50
2.2/50
R783
10K
D784
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
Tuner signal
Rear signal
Q976
UN2211-X
2SA1037AK/RS/-X
Q977
R977
8.2K
R976
20K
220/10
C909
R881
47k
UN2211-X
220/10
C908
Q881
100/16
0.01
220/10
0.01
47/16
0.1
10/16
C910
C911
C912
R882
4.7K
C881
22/16
C904
DIMMER
22/16
0.1
C914
C915
47/16
R903 R902
4.7K 9.1K
C903
C906
C907
C905
CD signal CD-changer signal
Front signal
AUX IN signal
2-2
HAB C DE FG
Page 5
KD-SX9350,KD-SX990
CD servo control section
5
C612
0.01
C613
0.01
CN601
QGF0527F2-22W
4
R615
150
FOCUS-
FOCUS+
TRACKING+
TRACKING-
SPINDLE+
SPINDLE-
LOAD/FEED+
LOAD/FEED-
3
2
1
REST
SW2
SW1
VA
VF
VE
VREF
VB
MD
LD
LOAD/FEED+
LOAD/FEEDSPINDLE+
SPINDLE-
TRACKINGTRACKING+
FOCUS+
FOCUS-
RWSEL
R613
C611
68P
IC601
TA2157FN-X
R601
4.7k
R638
C684
4.7k
R639
47/16
R602
R603
R604
4.7k
R640
C643
0.01
10/6.3
C615
4.7k
R641
10k
R642
R686
8.2k
0.01
C602
0.33
C644
82k
82k
330k
330k
VB
VA
VF
VE
MD
LD
IOP
C614
0.01
BUS0
BUS1
BUS2
BUS3
BUCK
CCE
DSPRST
47u
L623
C688
0.047
C687
0.047
C686
0.047
C685
0.047
0
R687
30k
22k
R688
R689
LOAD
1k
R612R614
2k15k
47/6.3
C601
47u
L622
47/6.3
C645
R681
IC681
LA6579H-X
C610
R605
IC621
TC94A14FA
0.01
C646
6.8k
R610R611
10010k
5P
22
10k
R616
100P
C642
C609
R606
22
C604
RFGC
0.1
C603
Q601
2SB1132/QR/-W
0.01
0.01
47/6.3
C640
C641
R637
474747
R621
R622
BCK
2SB1184/QR/-X
100/6.3
1M
R623
LRCK
DATA
VREF
RF
C608
0.01
C621
R682
6.8k
R683
4.7k
R684
R685
Q681
FE
RFRP
0.1
56k
R609
R607
82k
SEL
TEB
FMO
DMO
C639
47/6.3
100
100
R635
R636
L621
47u
B681
D682
FMO
LD/FE
CDON
DMO
15k
33k
FOO
C690
10/6.3
C682
10/16
0.1
C683
C606
47/6.3
R608
820
TRO
VREF
C638
0.01
100
R631
C622
0
1SR154-400-X
RFDC
FOO
C503
0.01
C504
C505
C506
C507
0.47
47/6.3
C607R630
R634
R633
R632
C689
100/6.3
0.01
TE
C605
0.0068
C637
0.047
C636
0.047
C632
470P
0.047
470P
0
0
0
R629 C629
10k
R626
R625
C623
C502
0.01
R540
P.DET
NAX0430-001X
X501
R545
IOPTRO
IC502
BR24C01AFV-W-X
C630
0.033
C627
C626
C625
47k
C635
R628
1.5M
R538
R537
10k
0.047
C634
470k
47k
47P
UN2111-X
C631
100
R624
5.6k
47/16
27P 0
22P
0.047
C633
0.01
0.0027
0.01
C508
0.033
0.01
R627
1000P
1000P
C597
C598
SEL
TEB
RFGC
TE
RFDC
FE
RFRP
C628
RF
47/6.3
C624
0.015
10k
SW1
47k
CDRESET
Q501
R546
R547
R548
R549
R550
R539
1k
R541
R542
R543
R536
R535
R534
R533
C509
1k
100
100k
4.7k
4.7k
4.7k
4.7k
47k
R501
NAD0022-103X
R502
270
1k
47k
47k
47k
0.01
8.2k
TH501
L652
47u
SW2
REST
C665
0.33
IO2
IO3
IO4
IO5
IO6
IO7
47/6.3
IC571
PCM1716E-X
470k
R673
R675
C664
C666
C667
C668
C669
8VDET
47k
47k
R530
R531
C501
C651
0.47
470k
R672
DACML
DACMC
DACMD
DACCS
0.1
DSPRST
C579
10/16
C580
R572
R573
47k
47k
47NAX0375-001X
R574
X571
C573
10/16
0.1
0.1
C574
C575
C576
LRCK
SDO
BCK
10P
C571
C662
0R0
R668
470k
470k
470k
IC652
TC94A02F-007
R671
R670
R669
R674
330
330
0.027
100P
0.01
R677
1M
0.01
IC651
NJU7241F25-X
L651
47u
C652
0.01
47/6.3
100k
47k
DISCSEL
R527
R528
100
R567
10k
270
R503
R504
47/6.3
10P
C572
100P
R667
470k
R666
470k
R665
470k
R664
470k
C663
0.1
R653 R658
R652
R651
C653
47/6.3
C510
1000P
1SS355-X
R525
100
R524
100
R523
100
R522
100
1k
/BUSIO
BUSIO
BUSSI
BUSSO
BUSSCK
R544
CDON
0.1
C578
C577
47/6.3
L572
L571
47u
47u
IO0
IO1
470k 470k
470k
100k
0.1
MP3RST
C654
D505
D504
D503
1SS355-X
UPD784225GK-629
AD15
AD0
AD1
D502
1SS355-X
R521
R520
R519
R518
R516
R515
R514
R513
R512
R511
R510
R509
R508
R507
R506
R505
IC501
MP3DA
DACCS
1SS355-X
MP3CK
DACMD
100
100
100
AD13
AD14WRAD16
4700
0.01
R654
C655
AD2
DACMC
DACML
4.7k
100
100
1k
100
100
100
100
100
100
100
1k
1k
100P 100P
C582 C581
SDO
R517
100
RWSEL
BUS0
BUS1
BUS2
BUS3
BUCK
CCE
DSPRST
C585
R581
20k
4.7/35
820P820P
C583C584
C586
R582
20k
4.7/35
C661
0.01
AD9
AD8
AD7
AD6
AD10
R661
R662
R663
0
R659
R655
R656
R657
CE
AD5
AD3
AD4
DATA
BCK
LRCK
47u
L501
C513
D501
1SS355-X
C512
100/6.3
C511
R561
R568
BUSSO
MP3RSTB.DET
MP3CK
MP3DA
LD/FE
LOAD
CDMUTE
CDREQ
R563
C551
0.01
BUSSI
R569
BUSIO
R570
/BUSIO
BUSSCK
R553
R554
R585
30k
C589
C587
4.7/35
120P
R583
12k
10k10k
C592
47/6.3
R592
IC572
47k 47k
NJM4565V-X
C588
R584
12k
120P
R586
30k
C593
470k
470k
C660
470k
100P
C659
0.1
AD11
AD12
C658
0.1
C657
0.1
C656
0.1
OE
470k
R660
470k
IC504
0.01
0.1
100k
1k
R562
6.8k
3.9k
IC503
1k
HD74HCT126T-X
1k
18k
R551
33k
100k
C590
4.7/35
47/16
NJU7241F33-X
R555
R552
100k
R560
100
AD16
AD14
AD12
AD7
AD6
AD5
AD4
AD3
AD2
AD1
AD0
IO0
IO1
IO2
R588 R587
LP61L1024S-12-X
47u
L502
100
0
R559
R556
0
R558
100k
UN2111-X
C673
C672
C671
IC653
R557
R590
Q571
Q572
UN2211-X
100P
0.1
47/6.3
8VDET
100k
47/6.3
C591
C594
RB160M-30-X
Q502
UN2211-X
1000P
C596
D506
R591 R589
CD.L-CH
10k 10k
9V
CD.R-CH
ON5V
CDON
AGND
100P
0.047
4.7
C595
R593
AD15
WR
AD13
AD8
AD9
AD11
OE
AD10
CE
IO7
IO6
IO5
IO4
IO3
L653
47u
CD.L-CH
AGND
CD.R-CH
9V
ON5V
DISCSEL
CDMUTE
CDREQ
CDRESET
B.DET
P.DET
BUSSI/SO
BUSCLK
VDD5V
CD8V
GND
CN501
QGB2027L1-22X
To Main amplifier section CN101
CD signal
AB CD E F G
2-3
Page 6
KD-SX9350,KD-SX990
KD-SX9350,KD-SX990
LCD & Key control section
5
4
S30
S29
S28
S27
S26
S36
S35
S34
S33
S32
S31
S42
S41
S40
S39
S38
S37
S48
S47
S46
S45
S44
S43
S50
S49
S56
S55
S54
S53
S52
S51
S62
S61
S60
S59
S58
S57
S68
S67
S66
S65
S64
S63
COM1
COM2
COM3
3
IC602
RPM6938-SV4
R660
C606
UDZS5.6B-X
R666
4.7/6.3
0
10k
R661
470
0
R667
R669R668
J601
QNS0215-001
S14
S13
S8
S12S9S11
S25
S24
S23
S22
S21
S20
S19
S18
S17
S16
R601R602R603R604
NSW0066-001X
R606R607
8201.2k3.9k 2.7k 1.8k 820
S608
NSW0066-001X
R612R613R614
8201.2k1.8k
S615
NSW0066-001X
S602S603S604S605
S607
S614
R611
8208201.2k1.8k
820
S601
NSW0066-001X
S606
NSW0066-001X
S613
NSW0066-001X
D601
SML-310LT/MN/-X
820
R620
1.2K
R621
D602
D603
1.8K
1.2K
R623
R622
SML-310VT/JK/-X
D606
SML-310VT/JK/-X
2
NSW0066-001X
NSW0066-001X
S609S610S611
NSW0066-001X
S616
NSW0066-001X
NSW0066-001X
NSW0066-001X
NSW0066-001X
R610
R609 R608 R605
S612
NSW0066-001X
NSW0066-001X
NSW0066-001X
S617
NSW0066-001X
S15
1.2K
1.2K
1.8K
R626
R625
R624
D607
SML-310VT/JK/-X
D608
CL-190UB-X-X
SML-310VT/JK/-X
S10
560
560
R628
R627
D609
CL-190UB-X-X
D610
SML-310VT/JK/-X
SML-310VT/JK/-X
D611
S4
S5S6S7
560
560
R629
R630
D612
D613
D614
SML-310VT/JK/-X
S1
S3
S2
QLD0257-001
1.2K
1.2K
R631
R632
SML-310VT/JK/-X
D615
SML-310VT/JK/-X
SML-310VT/JK/-X
D616
SML-310VT/JK/-X
910
R633
R634
D617
LNJ308G81/1-3/X
910
R635
1.8K
R636
D618
1.2K
1.8K
R637
D619
SML-310VT/JK/-X
D620
1.2K
R638
R639
SML-310VT/JK/-X
SML-310VT/JK/-X
1.2K
D604
1.2K
R640
D605
S68
0
R680
SML-310VT/JK/-X
SML-310VT/JK/-X
QSW0976-001
R642
R641
430
D641
NSPW310BS/BRS/
EN601
C608
0.01 0.01
R643
430
430
D642
D643
NSPW310BS/BRS/
NSPW310BS/BRS/
0
R650
C609
Q641
2SB624/4/-X
R646
Q642
UN2211-X
R644
470
S61
ENC2
ENC1
R652
47k
R651
47k
KEY1
KEY2
KEY0
10V
ACC5V
1SS355-X
1SS355-X
D654
D653
LCDCE
LCDCL
LCDDA
47k
R645
1SS355-X
1k
D656
1SS355-X
D657
R653
1k
1SS355-X
D655
1SS355-X
D658
D651
R655
R654
220
UDZS5.1B-X
330k
R656
390k
C601
4.7/6.3
C602
C603
1SS355-X
D652
S62 KEY1
S63
S64
S65
S66
S67
COM1
COM2
0.01
220P
C604
COM3
R659R658R657
10k10k10k
C605
0.22
0.22
S1
S4S5S6S7S8S9S10
S3
S2
IC601
LC75873NW
S11
S12
S13
S14
S15
S16
S17
S18
S19
S20
S21
D659
S41
S40
S39
S38
S37
S36
S35
S34
S33
S32
S31
S30
S29
S28
S27
S26
S25
S24
S23
S22
S42
S43
S44
S45
S46
S47
S48
S49
S50
S51
S52
S53
S54
S55
S56
S57
S58
S59
S60
LCD1
QNZ0006-001
ACC5V
REMOCON
10V
ENC1
ENC2
LCDCE
LCDDA
LCDCL
KEY2
KEY0
AUX.L
470
R670
AUX.R
0.047
C607
R662
R663
R664
R681
CN601
0
3.3k
3.3k
3.3k
GND
To
Main amplifier
section CN701
AUX IN signal
1
2-4
HAB C DE FG
Page 7
Printed circuit boards
KD-SX9350,KD-SX990
Main board
Main board
5
Forward side
R253
C172
S703
B10
X31
R728
R725
R729
Q331
C261
C44
R33
R34
R35
R36
R37
C45
C36
C76
D272
C255
C38
R764
D271
R254
R41
C161
C257
C77
C74
C75
R257
R256
R255
C262
J801
C73
C802
C162
R766
R742
R741
D713
R259
C710
C171
D251
X71
C903
C256
L701
R73
RESET
C711
R71
R72
C709
R272
Q8
R8
C272
R10
J321
C321
C726
C271
J1
B1
C8
C2
C3
R11
C9
R9
C47
C95
C94
C84
C85
C72
C5
C6
S701
TU1
C273
R273
C39
R39
R343
R352
Q351
CN251
R342
L1
Q5
R5
D5
C1
R6 R7
Q6
R40
C46
C34
R32
Q1
C81
R81
R82
C82
C341
R353
R332
R333
R322
R323
Q271
D1
R271
D2
R261
D4
C252
R4
Q7
R31
C253
C43
C31
C40
C37
R38
C41
R42
C35
C33
C91
R91
R92
C92
D3
R1
C4
Q53
C55
R2
R57
R58
R74
Q3
R59
R3
Q2
B14
C725
C910
D852
R313
R311
R314
R735
R749
R745
C902
R368
R369
D891
R891
R892
D851
C182
IC161
X701
X702
C851
C904
C908 C909
B13
C181
R787
IC701
R737
R738
R807
R808
R806
R809
IC801
C914
C729
D998
R245
C175
B12
Q782
C315
R163
R241
R242
C242
C176
R196
L901
C881
C781
C173
C311
C174
D901
R901
D781
R312
D892
R882
Q881 Q891
R881
R746
R736
R750
R734
R747
R748
R743
R744
B7
B2
R783
R784
R782
R316
C316
C312
D782
C163
C164
C177
R197
R786
CN901
C961
C965
R303
R301
C245
C383
C966
R389
C364
C369
C382
CN701
D992
IC361
IC381
BZ841
C962
R302
C241
R244
D996
D991
C963
R304
C384
C784
C301 C302
R388
C362
Q704
C967
D997
D993
R780
C964
C390
C968
D994
R243
C365
C361
CN101
C385
C381
Q241
C306
IC301
C367
C368
C841
B3
D242
D243
C366
C387
S702
C305
C388
D995
C318
C317
C901
C363
C389
4
3
C386
2
C911
C728
IC771
D714
C915
C907
C711
R772
R732
R771
C905
IC901
R165 R166
L701
C903
IC702
C179
IC71
R730
R731
C710
R724
S703
J801
C171
C255
C251
R252
R251
C162
X71
C262
R723
R726
C161
D721
C73
D321
C172
C77
C71
D722
D331
X31
Q321
D351
D3
B10
D341
C40
IC31
Q4
C261
R321
R258
C254
IC251
C31
C42
C33
C83
R93
J321
R331
C252
C253
D1 D2
Q9
C4
C55
R351
C43
R341
C1
C48
C91
R83
L1
Q341
Q52
R56
Q31
C81
Q81 Q91
R53
C54
S701
R54
CN251
C32
R43
C49
C50
R44
C52
R52
C53
R51
C51
J1
C9
TU1
C5
Q51
R55
Reverse side
C906
C905
C914
C912
C907
C179
R161
R162
VDD
C713
VSS
VPP
R714
C706
R759 R760
C707
R721
R719
R720
TD
C771
R757
D710
R756
IC901
R768
RD
C729
R733
D714
C904
C705
C708
C728
C181
R739
R765
CN701
R805
R804
C909
X1
R755
R753
D719
D720
Q977
C908
C851
B13
R722
R701
R802
C731
D902
R754
X702
R803
C910
R751
R740
C715
R758
C801
R902
R903
R851
C902
X701
C732
B7
R767
R810
D718
R801
R976
R977
R164
C804
L901
C704
D717
C722
C721
Q702
C803
C703
C701
C702
D701
R901
C730
Q701
D781
Q703
D702
R972
R971
R781
C720
C881
Q781
C311
C173
D703
C174
D704
Q976
D901
D705
C312
C316
C781
C163
D706
D782
C164
C175
C325
C324
B12
Q705
C323
Q784
B2
C322
C315
CN101
D971
D972
D784
C782
C724
C301
C242
R362
R246
R361
C784
R366
R177
C365
R383
R385
C302
R178
R367
C390
R387
R167
C381
C361
R168
R386
C385
C241
R363
C891
D709
C364
C901
D707
C245
C362
C384
R382
C382
C727
D708
C313
R365
C717
C971
C304
R364
R381
C314
C317
C716
C303
R247
C244
C383
Q841
CN901
C852
C363
C391
C392
R841
C318
C305
C369
C389
R384
C387
B3
C243
C841
BZ841
C306
D242
D243
C368
IC301
C367
C366
C319
C320
C386
C388
S702
1
AB CD E F G
2-5
Page 8
KD-SX9350,KD-SX990
KD-SX9350,KD-SX990
Front board
Forward side
CP601
S607
LCD1
EN601
D607
D609
S608
R606
D610
R607
D611
S609
R608
S610
D612
R609
S611
D613
R610
S601
D614
R601
S612
D615
D616
D641
D642
D643
S602
J601
S603
R635
R602
R636
R604
R637
D617
R638
R603
D618
D620
S605
D619
S604
S614
S617
D602
D603
D605
R611
R612
R614
5
D601
D604
S615
S613
D606
S606
S616
D608
R605
IC602
R613
Front board
R631
R632
J601
R634
R668
D657
R669
R655
D641
D642
D643
R643
R633
D658
D652
R642
R667
R666
C603
C602
R641
R656
R680
C601
R658
C607
C604
C605
R659
R670
R657
IC601
Reverse side
CN601
R681
D660
D653
D656
D654
D655
R653
R651
R652
D651
R654
R664
R663
R662
R645
R644
R661
R660
IC602
R646
D659
Q642
R625
C608
R626
Q641
EN601
R627
R650
R628
C609
R621
R629
C606
R622
R630
R620
R623
R624
R639
R640
4
Mecha control board Mecha control board
Forward side Reverse side
C523
C525
C529
C527
C522
C524
C526
C528
C530
C531
ON5V
R590
R592
C533
L571
9V
L501
LRCK
BCK
R515
DSEL
C504
C534
X571
R514
BDET
DATA
REQ
R507
R554
C507
RESET
C593
CDMUTE
Q571
Q572
L502
R533
R501
R563
CLK
Q502
PDET
C512
R562
R545
C532
X501
SI/SO
C536
C535
D506
IC501
VDD
R505
R506
D501
R553
SI
C539
C501
R546
C537
C511
C502
Q501
BUSCK
IC504
SO
R503
C538
CN502
CN503
VPP
R550
R555
R556
R557
CN501
C513
R547
R549
R544
R548
IC503
R568
R559
R560
R561
C551
R569
R504
IC502
R558
R570
R502
R552
R551
C508
C587 C588
R583 R584
R585 R586
C596
IC652
IC572
C580
IC571
R651
C654
C670
R657
R656
R587
X651
R655
R654
C655
L572
C577
C657 C658
R653
R652
LCH
C590
C656
R538
C510
R539 R540
C521
D502
D503
D504 D505
R541 R542
C595
R593
R530
R588
R512
R513
R508
R511
R509
R510
R516
R536
C574
R537
C503
C509
R543
C505
C506
C592
C575
RCH
C586
C594
R518
3
C589
R589
R660
L652
R659
C673
C622
L653
C660
C659
R664 R665
R662 R663
R658
C672
L651
C583
R581
C581
C584
R582
C582
R591
C597
R573
C591
C598
C578
R572
C653
C585
C579
C671
TH501
R615
R602
R603
R605
R606
R601
R604
C614
R635
R636
C627
C626
C636
R608
R607
C643
C608
C642
R609
R629
C640
C632
C631
C637
R616
C605
C611
R637
R613
C638
R611
R630
R631
R610
R632
R634
C685 C686
R633
C573
C572
C576
C571
R564
R566
R523
R525
R567
R517
R519
R520
R521
R522
R524
R565
R571
R574
R612
C610
IC653
R666
R667
R669
R528 R529
R531 R532
C666
C667
C676
C675
R677
R675
R676
R668
R673
C664
C663
R674
R672
C665
R670
R671
2
R526 R527
R534
R535
C609
R623
R621
R622
R626
C644
R642
R640
R641
R627
C621
R625
C646
R628
R624
C602
R639
R614
C625
R638
C684
IC681
Q681
R687
R681
C683
C687
C688
C634
D682
C603
C635
C633
C629
C681
R690
R689
R688
RFDC
C606
R686
SEL
C639
TEB
VREF
R682
R683
R684
L622
C682
B681
R685
L621
C690
FE
D681
Q601
TE
C647
C612
RFRP
C641
C613
C607
RF
C689
IC601
BUS0
RFGC
C630
1
2
3
BUCK
CCE
C674
L623
C601
C645
RWSEL
C628
C652
C604
C624
IC621
IC651
C615
CN601
R661
C669
C623
C661
C662
C668
C651
1
2-6
HAB C DE FG
Page 9
< MEMO >
KD-SX9350,KD-SX990
Page 10
KD-SX9350,KD-SX990
VICTOR COMPANY OF JAPAN, LIMITED
AV & MULTIMEDIA COMPANY 10-1,1Chome,Ohwatari-machi,Maebashi-city,371-8543,Japan
(No.49781SCH)
Printed in Japan
2003/02
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