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SCHEMATIC DIAGRAMSCD RECEIVER
No.49819SCH2003/03
COPYRIGHT 2003 VICTOR COMPANY OF JAPAN, LTD.
KD-SX998R,KD-SX997R
KD-SX998R,KD-SX997R
Contents
Block diagramStandard schematic diagramsPrinted circuit boards
2-12-22-5,6
CD-ROM No.SML200303
SOUND
VOL VOL
SOURCER F
U
D
ATT
Area Suffix
E ------- Continental EuropeEX ----------- Central Europe
MODELKD-SX998RKD-SX997R
Panel colorBlackSilver
KD-SX998R,KD-SX997R
! 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.
Safety precaution
! Please use enough caution not to see the beam directly or touch it in case of an adjustment or operation check.
KD-SX998R,KD-SX997R
2-1A B C D E F G
1
2
3
4
5
Block diagram
CN
101C
N701
J801CHANGERCONTROL
IC801JVC BUS
IC701CPU
TU1FM/AMTUNER
IC161E.VOL
IC251SUBWOOFER
IC31PLL
J1ANT
IC361Lch
LINE AMP
IC381Rch
LINE AMP
IC771EPROM
IC301POWER
AMP
J321
LINE OUT
CN901
SPK
BATT
CN
601EN601
ENCODERIC601LCD
DRIVERLCD
S601~S617KEY
MATRIX
IC602REMOCON
J601AUX IN
COM1~COM3S1~S68 LCDCE
LCDDALCDCL
ENC1ENC2
KEY0~KEY2 REMOCON AUX,L AUX,R
CN
501
CN
601
IC601CD RF
IC621D.SERVO
& DSP
IC681CD DRIVER
IC57124bit DAC
IC652MP3 DEC
IC501CPU
IC572CD LPF
IC653SRAM
IC503J-BUSBUFF
RESTSWITCH
LOAD/FEEDMOTOR
SPINDLEMOTOR
SW1,SW2
PICKUP
REST
LOAD/FEED+LOAD/FEED-
SPINDLE+SPINDLE-
SW1,SW2
A,B,E,FVR,MD,LDFOCUS+FOCUS-TRACKING+TRACKING-
VA,VBVE,VFMD,LD
RWSELIOP
SELTEBRFGCTE,FERFDCRFRFRP
FMODMCTROFOO
BUS0BUS1BUS2BUS3BUCKCCEDSPRST
LOADLD/FECDON
SW1,SW2,RESET
/BUSIOBUSIOBUSSIBUSSOBUSSCK
BUSSI/SOBUSCLK
BCKLRCKDATA
SDO
VOUTLVOUTR
DACMLDACMCDACMDDACCS
DSPRST
CD.L-CHCD.R-CH
IO0~IO7AD0~AD16OE,CE,WR
MP3RSTMP3DAMP3CK
CDRESETDISCSELCDMUTECDREQB.DETP.DET
LOAD/FEED+LOAD/FEED-SPINDLE+SPINDLE-TRACKING+TRACKING-FOCUS+FOCUS-
TU.RTU.L
FM VTAM VTFM/AM OSC
SEEK/STOPSD/STFM/AMMONO
SMSQ
AFCKPLLCEPLLDAPLLCLPLLDI
CD.L-CHCD.R-CH
RESET
VOLDAVOLCL
EPROMCLKEPROMDOEPROMDI
CDMUTECDREQCDRESETB.DETP.DETBUSSI/SO
REMOCONENC1,ENC2LCDCE,LCDDALCDCLKEY0,KEY1,KEY2
SI/SOSCK
CH.LCH.R
AUX.LAUX.R
BUSSOI/OBUSINTBUSSCK
OUTLFOUTRF
SWLSWR
L, R
OUTRFOUTRR
FRONTRREARR
FRONTLREARL
INLFINLR
INRFINRR
OUTLF+OUTLF-OUTRF+OUTRF-OUTLR+OUTLR-OUTRR+OUTRR-
LRCKBCK
CN251
BUSSI/SOBUSCLK
SUBWMUTE
IC702RESET
KD-SX998R,KD-SX997R
2-2
KD-SX998R,KD-SX997R
HA B C D E F G
1
2
3
4
5
Parts are safety assurance parts.When replacing those parts makesure to use the specified one.
Tuner signal
Rear signalFront signal
CD signal
CD-changer signal
Standard schematic diagramsMain amplifier section
To
CD
ser
vo c
ontr
ol s
ectio
n C
N50
1 T
o LC
D &
Key
con
trol
sec
tion
CN
601
R1
C316
R738
IC801
IC901
IC71
Q782
R739
IC702
R740
C311
C181
R734
J1
L1
D1 D2
Q7
Q91
D713
R5
R4
R6
R735
R736
IC701
R743
BZ841
R744
R745
R733
C241
IC31
R38
R786
C901
Q81
C163
C173
C50
C176
C177
C182
C81
C1
R81
R91
R92
C92 C82
R82
Q2
Q5
C72
C76
C71
C75
C74X71
R71
R73R72
C73
C5
R3
Q781
D722
R161
D721
C724
R164
R163
X31
D998
L701
R162
C36
C35
C46
C175
C172
C162
C161
C174
C171
C164
D997
S702
R746
C39
C47
R808
D996
R807
R39
C91
D995
R759
Q703Q702
IC161
R760
D972
R803
R804
R805
R806
R810
R809
C801
Q9
Q701
VSS
R783
D781
R720
R719
VDD
R758
Q881
VPP
D994
D993
Q705
R780
R34
R781
X1
C706
R37
R36
R741
R243
R242
RESET
TD
C243 R244
C301
Q241
D243
R742
C781
D992
RD
R732
R35
R756
X701
D991
X702
R787
R178
R177
R168
R167
C384
C361
C2
D3
Q891
C11
C891
R891R892
C968
C966
C967
C965
C964
R766
C3
C963
C962
C961
IC301
R714
IC361
B1
IC381
R2
C363
D902
C364
R362
R363
R364
R361
R365Q6
C383
Q3
C242
R8
R313 R314
R304
R881
R303
Q784
R882
C77
C382
C362
C385
R382
R43
C38
R44
C804
R383
Q841
R747
R748
R749
Q31
D331
R384
R730
D784
C782
C713
R311
R312
R301
R302
R782
C6
C302
C322
C365
C323
C324
C325
D321
Q4
D901
C381
R901
C902
C711
R332
R352
R322
R342
R385
B401
R341
R351
R331
R321
R784
R729
R731
C784
Q52
D782
S701
IC771
C271
Q977
C312
D271
C33
C179
C252
C37
R32
C34
C771
C52
C272
C273
D341
R53
B802
C257
C253
C251
D351
R737
C710
R54
Q51
R757
C83
R245
R241
C256
C55
C802
C54
R56
R57
R58
S703
R764
C726
C261
C255
R254
D971
R253
C254
R256
R257 R258
R261
Q271D272
R271R272
R273
R165
R166
R12
C718
R767
R768
D402
D401
C401
R401
C9
R11
R248
D244
D251
B801
C258
C714
C29C30
TU1
C40
C90
3
C43
CN
701
F1
L901
D70
1
R7
C91
0
C90
6
R74
C71
6
C31
3
C4
R84
1
R42
C31
CN
101
R75
1
C31
4
C30
3
C30
4
D71
8D
717
D71
9D
720
C71
5
R83
R93
C48
R36
9
R36
8
C72
5
R31
C24
5
R76
5
D70
3
R75
0
C90
4
R9
C41
R51
D71
4
D89
2
C31
9
C24
4
C90
5
R80
2
R80
1
C30
6
C31
8
R75
3
R72
1
R72
2
R72
3
Q70
4
C32
R72
4
C49
C90
9
R24
6R24
7
C94
D24
2
R72
6
R72
8
R97
2
C70
1
C70
2
Q35
1
R33
C70
3
C70
4
C95
C85
C10
C36
7
D89
1
CN
901
Q97
6
Q8
R97
7R
976
C39
2
C39
0
C38
9
C38
8
C36
9
C90
7
C90
8
C38
6C
366
C70
7
D70
5
D70
7
R10
D70
9
D70
2
D70
4
D70
6
D70
8
C80
3
R97
1
C31
7
C71
7
R38
1
Q53
C84
1
R59
C91
2
C32
0
R31
6
C91
1
C31
5
R90
3R
902
D4
Q33
1
Q32
1
R72
5
R40
R35
3
R34
3
R33
3
R32
3
R36
6
R36
7
R41
R38
7C
881
R38
6
C39
1
R38
9
R38
8
C42
C45
C73
2
R77
1
C72
2
C72
1
C72
0
Q1
C44
C91
4
C51
R77
2
C91
5
IC25
1
R25
9
R52
C70
8
C70
5
R70
1
R25
1
R55
C53
R25
2
C70
9
D71
0
Q34
1
C97
1
D5
C73
1
C34
1 C32
1
C84
R75
4
R75
5
R25
5
C36
8C
387
C26
2
R19
7R
196
C72
8
C73
0
C30
5
R40
2
C71
9
47/6.3
4.7K
HD74HC126FP-X
HA13164A
SAA6579T-X
UN2211-X
4.7K
IC-PST600M/G/-W
4.7K
0.33
100/16
2.2K
QNB0100-002
4.7
UN2211-X
2SD601A/R/-X
UDZS5.6B-X
47K
3.3K
47k
2.2K
2.2K
UPD784215AGC220
10K
QAN0023-001Z
10K
10K
10k
1/50
TB2118F-X
100
0
3300/16
2SD601A/R/-X
1/50
1/50
100P
0.0033
0.0033
0.01
1/50
6.8k
6.8k
27k
820P 820P
27k
2SD601A/R/-X
2SB709A/R/-X
0.0220.01
560P
47P
82P
QAX0263-001Z
2.2k
2.2k2.2k
2.2/50
1/50
4.7k
UN2111-X
UDZS11B-X
2.2K
UDZS11B-X
0.1
0
270K
QAX0616-001Z
RB160M-30-X
4.7
2.2K7P
10P
0.01
1/50
1/50
1/50
1/50
1/50
1/50
1/50
RB160M-30-X
QSW0451-001
10K
1000P
0.01
330
RB160M-30-X
100K
0
1/50
RB160M-30-X
UN2211-XUN2211-X
TDA7404D-X
47K
RB160M-30-X
100
22K
100k
10k
100
22k
0.047
UN2111-X
UN2211-X
10K
1SS355-X
1.2K
0
47K
UN2211-X
RB160M-30-X
RB160M-30-X
UN2211-X
47k
2.2K
47k
0.047
2.2K
2.2K
10K
180k
22k
0.047 12k
0.33
2SD601A/R/-X
RB160M-30-X
10K
47/6.3
RB160M-30-X
10K
2.2K
47K
QAX0617-001Z
RB160M-30-X
QAX0401-001
10K
4.7/25
4.7/25
1SS355-X
UN2211-X 0.1
1K47K
100P
100P
100P
100P
100P
47K
100P
100P
100P
LA47505
10K
BA3220FV-X
0
BA3220FV-X
47K
47/16
1SS355-X
4.7/25
24k
24k
150K
33K
33K
2SB624/4/-X
47/16
UN2111-X
22/16
10K
120K 120K
120K
47k
120K
UN2111-X
4.7K
47/6.3
4.7/25
4.7/25
4.7/25
24k
470
1000P
220
22P
24k
UN2211-X
4.7K
4.7K
4.7K
UN2211-X
1SS355-X
150K
10K
UDZS11B-X
0.082
0.01
82K
82K
82K
82K
47K
0.33
0.1
4.7/25
0.1
0.1
0.1
1SS355-X
UN2111-X
1N5401-F64
4.7/25
1K
2.2/50
820
820
820
820
33K
0
2.2k
2.2k
2.2k
2.2k
47K
47K
47K
100/16
2SC2412K/R/-X
1SS355-X
QSW0451-001
BR24L32F-W-X
0.047
2SA1037AK/RS/-X
0.33
1SS355-X
47/6.3
47/16
47/6.3
10P
6.2K
0.047
0.047
0.01
100P
100P
1SS355-X
47k
0
0.039
10/16
0.01
1SS355-X
0
47/6.3
10k
2SC2412K/R/-X
2.2K
0.1
47
47k
0.01
1SS355-X
0.47/50
0.01
0.1
10k
15k
470
QSW0534-001
100
150P
10/16
47/16
470K
RB160M-30-X
100K
0.082
100K
8.2K
10K
820
2SD1781K/QR/-X1SS355-X
2.2K
100
100
10K
10K
0
330P
47K
1SS355-X
UDZS6.2B-X
100P
2.2K
10/16
10K
220
UDZS5.1B-X
UDZS4.7B-X
0
330P
330P
0.010.01
QAU0292-001
10/1
6
47/1
6
12
0.04
7
QN
Z00
07-0
02
QM
FZ
047-
150-
T
R07
03-0
01
1SS
355-
X
1SS
355-
X
4.7K
47/1
6
0.01
100
0.1
390P
220/
10
1K
10
100/
10
QG
B20
27M
4-22
S
10K
390P
390P
390P
0.1
22/1
6
4.7k
4.7k
0.04
7
47K
47K
150P
10
0.22
/50
510
10K
10/1
6
100
0.04
7
22K
SLR
-56M
C3F
1SS
355-
X
0.02
2
0.01
5
22/1
6
47K
47K
1/50
22/1
6
47K
1K 10K
10K
UN
2211
-X
47P
0
0.00
1
220/
10
1k
68K
0.01
2
1SS
355-
X
10K
10K
2.2K
22P
27P
2SD
1781
K/Q
R/-
X
10K
27P
8P
0.04
7
0.00
22
0.00
22
220/
10
4.7/
25
1SS
355-
X
QN
Z01
12-0
01
UN
2211
-X
UN
2211
-X
8.2K
20K
0.01
0.01
100/
10
100/
10
4.7/
25
100/
10
220/
10
220/
10
100/
1010
0/10
0.04
7
0
22P
2.2K
47/1
6
0.1
33K
UN
2211
-X
0.1/
50
47K
0.01
0.02
2
1K
0.1
0.01
4.7/
50
4.7K
9.1K
1SS
355-
X
220/
10
2SD
1781
K/Q
R/-
X
2SD
1781
K/Q
R/-
X
10K
39K
100
100
100
100
10K
10K
10K
10K
22/1
6
10K
0.01
47K
47K
0.01
0.00
27
100P
270
0.01
0.01
0.01
2SD
601A
/R/-
X
0.01
100/
16
330P
270
0.1
NJM
4565
M-W
E
1.2K
47k
0.04
70.04
7
47k
100K
2.2k
0.00
47
47K
0.01
2SD
1781
K/Q
R/-
X
0.1
1SS
355-
X
100P
0.04
7
0.04
7
0.01
2
820
10M
0
4.7/
254.
7/25
10/1
6
100K
100K
220/
10
0.01
1/50
22K
0.01
REMOCON
AGND
CH.R
TU.R
DIMMER
POWER
AUX.R
ACC5V
TU.L
VOLDA
VOLCL
CD.L-CH
GND
GND
CD.R-CH
CD.R-CH
CDMUTE
10V
ENC1
ENC2
CH.L
CH.R
CDREQ
AUX.G
CDRESET
B.DET
I/O
KEY0
LCDCE
LCDDA
LCDCL
KEY2
KEY1
AUX.G
AUX.L
AUX.R
SD/ST
I/O
BUSSO
BUZZER
P.DET
BUSSCK
LCDCE
LCDCL
LCDDA
KEY2
KEY1
KEY0
ENC2
BUSSO
BUSSI/SO
BUSSI/SO
BUSCLK
VDD5V
9V
BUSINT
CD.L-CH
AUX.L
SQ
CONT+B
BUSSCK
SUBWMUTE
SWLR
SM
SQ
VOLDA
VOLCL
LEVEL
PLLDI
GND
ON.5V
TELMUTE
CH.L
CD8V
PLLCE
PLLDA
PLLCL
BUSCLK
BUSSI/SO
SUBWMUTE
RD
SC
L
RD
SD
A
PS
2
VT
TU
.OS
C
AF
CK
SM
SE
EK
/ST
P
BU
SIN
T
PO
WE
R
FM
/AM
BU
ZZ
ER
PS
2
B.D
ET
RE
SE
T
P.D
ET
CD
RE
Q
CD
RE
SE
T
CD
MU
TE
/CD
RE
Q
/CD
MU
TE
RE
SE
T
/CD
MU
TE
/CD
RE
Q
TU
.VC
C
MO
NO
RE
MO
CO
N
EN
C1
SE
EK
/ST
P
RD
SD
A
RD
SC
L
PLL
DI
PLL
CL
PLL
DA
PLL
CE
FM
/AM
AM
.VC
C
AF
CK
FM
.VC
C
SD
/ST
KD-SX998R,KD-SX997R
2-3A B C D E F G
1
2
3
4
5
CD signal
CD servo section
To
Mai
n am
plifi
er s
ectio
n C
N10
1
R516
IC621
IC652
IC501
IC653
R581
Q601
R615
L623
C509
R505
R506
R601
R602
R603
R604
R515
C603
R607
R608
C610
R610R611
R612R614
R613C611
C605
R632
R633
R634
C631
C632
C636
C637
C630
C627
C626
C625
R629 C629C628
C623
R626
R625R624
R628
C614
C643
L502
R502
R501
IC504
R507
R508
R509
R510
R511
R512
R513
R514
R517R518
R519
R520
R521
R522
R523
R524
R525
R536
R535
R534
R533
R537
C613
R538
R539
R541
R542
Q501
R540
C502
TH501
R546
X501
C506
C505
R543
R545
C504
C507
C503
R677
C667
C666
C663
C656
R568
R674R675
C664
C665
C668
R651
R652
R653 R658
R659
C658
C657
R664
R665
R666
R667
R661
R662
R663
C659
C660
C669
C671
C672
C673
X571
R570
L622
L651
R582
C585
C586
Q572
Q571
R583
R585
R584
R586
C587
C588
C589
C590
R547
R548
R549
R550
C511
C513
C512
R561
R563 R562
R556R553
R569
C685
C686
C551
C687
Q502
IC681
R681
R683
R685
R684
R686
C612
Q681
C682
C690
C688
D506
L501
IC60
1
B68
1
IC50
2
IC57
2
CN
501
D50
5
D50
4
D50
3
D50
2
D50
1
C64
4
C61
5
R61
6
C60
1
C60
2
R60
5
R60
6
C60
4
C60
9
C60
8
R60
9
C60
6
C60
7R
630
R63
1
C63
3
C63
5
C63
4
R63
5
R63
6
R63
7
C63
8
C63
9
C62
4
R62
7
R62
1
R62
2
R62
3
C62
2
C62
1
R63
8
R63
9
R64
0
R64
1
R64
2
C64
5
C64
6
C64
0
C64
1
C64
2
L652
L621
C50
1
R50
3
R50
4
IC50
3
IC65
1
R52
7
R52
8
R53
0
R53
1
C50
8
C65
1
C65
2
C59
8
C65
3
R66
8
R67
3
R67
2
R67
1
R67
0
R66
9
L653
C65
4
R65
4
R65
5
R65
6
R65
7
R66
0
C66
1
C65
5
C66
2
L572
R57
4
C57
1
C57
2 C57
4
C57
5
C57
6
C57
3
R57
2
R57
3
C57
8
C57
9
C57
7
C58
0
IC57
1
C58
2C
581
C58
3C
584
R58
8R
587
R59
2
R59
0
R59
1R
589
C59
1
C59
2
C59
3
R54
4
R56
0
R55
2
R55
8R
559
R55
1
R55
5
R55
7
R55
4
C51
0
C59
4
CN
601
D68
2
R68
2
R68
7
R56
7
C68
4
C68
3
R68
8
R68
9
C59
6
C59
5
R59
3
C68
9
C59
7
L571
100
TC94A14FA
TC94A02F-007
UPD784225GK-629
LP61L1024S-12-X
20k
2SB1132/QR/-W
150
47u
0.01
1k
1k
82k
82k
330k
330k
100
100/6.3
82k
820
5P
10010k
2k15k
1k68P
0.0068
0
0
0
470P
470P
0.047
0.047
0.033
0.01
0.0027
0.01
10k0.033
47/6.3
47P
470k
47k
5.6k
1.5M
0.01
0.01
47u
270
8.2k
NJU7241F33-X
100
100
100
100
100
100
100
1k
100
4.7k
100
100
100
100
100
100
100
1k
47k
47k
47k
47k
0.01
47k
1k
1k
100
UN2111-X
47k
0.01
NAD0022-103X
100k
NAX0430-001X
22P
27P 0
10k
100/6.3
0.47
0.01
1M
0.01
100P
0.1
0.1
1k
330
330
0.0270.33
47/6.3
100k
470k
470k 470k
470k
0.1
0.1
470k
470k
470k
470k
470k
470k
470k
0.1
100P
0.01
47/6.3
0.1
100P
1k
47u
47u
20k
4.7/35
4.7/35
UN2211-X
UN2111-X
12k
30k
12k
30k
120P
120P
4.7/35
4.7/35
4.7k
4.7k
4.7k
4.7k
0.1
0.01
100/6.3
100k
6.8k
3.9k
0
18k
1k
0.047
0.047
0.01
0.047
UN2211-X
LA6579H-X
6.8k
4.7k
33k
15k
8.2k
0.01
2SB1184/QR/-X
10/16
10/6.3
0.047
RB160M-30-X
47u
TA
2157
FN
-X
0
BR
24C
01A
FV
-W-X
NJM
4565
V-X
QG
B20
27L1
-22X
1SS
355-
X
1SS
355-
X
1SS
355-
X
1SS
355-
X
1SS
355-
X
0.33
10/6
.3
10k
47/6
.3
0.01
22 22
0.01
0.1
0.1
56k
47/6
.3
0.01
100
100
0.04
7
0.04
7
0.04
7
100
100
1M
0.01
47/6
.3
0.01
510
k
47 47 47
47/6
.30.01
4.7k
4.7k
4.7k
4.7k
10k
47/6
.3
0.01
0.01
47/6
.3
100P
47u
47u
0.47
10k
270
HD
74H
CT
126T
-X
NJU
7241
F25
-X
100k
47k
47k
47k
0.01
47/6
.3
0.01
1000
P
47/6
.3
0R0
470k
470k
470k
470k
470k
47u
0.1
47 0 0 0
470k
0.01
0.01
100P
47u
47N
AX
0375
-001
X
10P
10P
10/1
6
47/6
.3
0.1
0.1
47k
47k
47/6
.3
10/1
6
0.1
0.1
PC
M17
16E
-X
100P
100P
820P
820P 47
k47
k
10k
10k
10k
10k
47/6
.3
47/6
.3
47/1
6
1k
100
100k
100k
0
100k
100
100k
33k
1000
P
1000
P
QG
F05
27F
2-22
W
1SR
154-
400-
X
6.8k
0
100
47/1
6 0.1
30k
22k
100P
0.04
7
4.7
47/1
6
1000
P
47u
DISCSEL
VA
VF
VE
VB
MD
LD
FOCUS-
FOCUS+
MD
RWSEL
LD
LOAD/FEED+
SEL
TEB
RFGC
TE
RFDC
RFRP
VDD5V
FE
RFBUS0
BUS3
BUS2
BUS1
BUCK
CCE
DSPRST
AGND
DSPRST
CCE
BUCK
BUS3
BUS2
BUS1
BUS0
CDREQ
CDMUTE
MP3DA
RWSEL
MP3CK
MP3RSTB.DET
P.DET
IOPTRO
IO7
IO6
IO5
IO4
IO3
IO2
OE
AD12
AD11
IO2
IO1
IO0
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
AD12
AD14
AD16
IO3
IO4
IO5
IO6
IO7
CE
AD10
OE
AD11
AD9
AD8
AD13
WR
VREF
AD15
BUSSO
IOP
CD.L-CH
LD/FE
CDON
ON5V
CD.R-CH
CD.L-CH
9V
LOAD
CD.R-CH
TRACKING+
TRACKING-
BUSSI/SO
SPINDLE+
SPINDLE-
LOAD/FEED+
BUSSCK
LOAD/FEED-
BUSCLK
REST
SW2
SW1
BUSIO
/BUSIO
9V
ON5V
BUSSI
CDMUTE
CDREQ
P.DET
B.DET
CDRESET
VB
VA
VF
VE
GND
LOAD/FEED-
SPINDLE+
SPINDLE-
TRACKING-
TRACKING+
FOCUS+
FOCUS-
CD8V
FMO
DMO
FOO
CDON
LD/FE
AGND
8VD
ET
FE
RF
RP
RF
GC
RF
SE
L
TE
B
RF
DC
TE
FO
O
TR
O
FM
O
DM
O
LOA
D
BC
K
LRC
K
DA
TA
/BU
SIO
BU
SIO
BU
SS
I
BU
SS
O
BU
SS
CK
CD
ON
DA
CC
S
DA
CM
D
DA
CM
C
DA
CM
L
RE
ST
SW
2
CD
RE
SE
T
8VD
ET
SW
1
VR
EF
DIS
CS
EL
MP
3RS
T
MP
3DA
MP
3CK
AD
0
AD
1
AD
2
CE
AD
5
AD
3
AD
4D
AT
A
BC
K
LRC
K
SD
O
VR
EF
AD
10
AD
9
AD
8
AD
7
AD
6
AD
13
AD
14WR
AD
16
AD
15
IO0
IO1
LRC
K
SD
O
BC
K
DA
CM
L
DA
CM
C
DA
CM
D
DA
CC
S
DS
PR
ST
KD-SX998R,KD-SX997R
2-4
KD-SX998R,KD-SX997R
HA B C D E F G
1
2
3
4
5
To
Mai
n am
plifi
er s
ectio
n C
N70
1
LCD & Key control section
R654
R644
R652
LCD1
IC601
R669R668
EN601
D611 D614
R611
S614
IC602
S606
R660
S601
S608
S602S603S604S605
S609S610S611S612
S613
R663R664
S615S616S617
R612R613R614
R606R607R610 R609 R608 R605
R601R602R603R604
S607
R662
R661
R659R658R657
R653
R651
C608 C609
J601
CN
601
R65
6
D65
3
C60
6
D65
4
D60
4
D64
1
R63
1
R63
2
R64
1
R64
5
Q64
2R
646
R63
3
R63
4
R63
5
R63
6
R63
7
C60
7
C60
4
D65
5
R67
0
R66
6
R65
5
R63
9
D65
6
D65
7
D60
8
D65
1
C60
5
D60
5D60
3 D61
0
C60
2
D60
7
D60
6 D61
3
D60
9
R62
4
D61
5
R62
3
D60
2R
621
R62
2 C60
3
C60
1
D60
1 R63
8
D61
2
R66
7
R64
0
D65
8
D65
2
R62
5
D61
6
D61
7
D61
9
D61
8
D62
0
D65
9
R62
6
R62
7
R62
8
R62
9
R63
0
R62
0
Q64
1
D64
2
D64
3
R64
3
R64
2
R68
1
R65
0
R68
0
220
470
47k
QLD0257-001
LC75873NW
QSW0976-001
SML-310VT/JK/-X SML-310VT/JK/-X
820
RPM6938-SV4
10k
3.3k3.3k
8201.2k1.8k
8201.2k3.9k 2.7k 1.8k 820
8208201.2k1.8k
3.3k
470
10k10k10k
1k
47k
0.01 0.01
QNS0215-001
QN
Z00
06-0
01
330k
1SS
355-
X
4.7/
6.3
1SS
355-
X
SM
L-31
0VT
/JK
/-X
NS
PW
310B
S/B
RS
/
1.2K
1.2K
430
47k
UN
2211
-X1k
910
910
1.8K
1.8K
0.04
7
0.22
1SS
355-
X
470
0
390k1S
S35
5-X
1SS
355-
X
SM
L-31
0VT
/JK
/-X
UD
ZS
5.1B
-X
0.22
SM
L-31
0VT
/JK
/-X
SM
L-31
0VT
/JK
/-X
SM
L-31
0VT
/JK
/-X
0.01
SM
L-31
0VT
/JK
/-X
SM
L-31
0VT
/JK
/-X
SM
L-31
0VT
/JK
/-X
SM
L-31
0VT
/JK
/-X
SM
L-31
0VT
/JK
/-X
SM
L-31
0VT
/JK
/-X
NS
W00
66-0
01X
NS
W00
66-0
01X
220P
4.7/
6.3
NS
W00
66-0
01X
NS
W00
66-0
01X
SM
L-31
0LT
/MN
/-X
NS
W00
66-0
01X
NS
W00
66-0
01X
NS
W00
66-0
01X
NS
W00
66-0
01X
NS
W00
66-0
01X
NS
W00
66-0
01X
NS
W00
66-0
01X
NS
W00
66-0
01X
SM
L-31
0VT
/JK
/-X
NS
W00
66-0
01X
0
NS
W00
66-0
01X
NS
W00
66-0
01X
NS
W00
66-0
01X
1SS
355-
X
NS
W00
66-0
01X
1SS
355-
X
1.2K
SM
L-31
0VT
/JK
/-X
LNJ3
08G
81/1
-3/X
SM
L-31
0VT
/JK
/-X
SM
L-31
0VT
/JK
/-X
SM
L-31
0VT
/JK
/-X
UD
ZS
5.6B
-X
1.2K
560
560
560
560
820
2SB
624/
4/-X
NS
PW
310B
S/B
RS
/
NS
PW
310B
S/B
RS
/43
0
430
0
0
0
LCDCE
LCDDA
LCDCL
KEY0
ACC5V
AUX.L
AUX.R
ACC5V
ENC2
10V
LCDCL
S22
S62 KEY1
ENC1
10V
REMOCON
COM3
COM2
S23
S24
S25
S26
S27
S28
S29
S30
S31
S32
S33
S34
S35
S36
S37
S38
S39
S40
S41
KEY1
KEY2
KEY0
S63
S64
S65
S66
S67
LCDDA
COM1
LCDCE
KEY2
ENC2
ENC1
S28
S27
S26
S67
S66
S65
S64
S63
S62
S61
S60
S59
S58
S57
S56
S55
S54
S53
S52
S51
S50
S49
S3
S68S
2 S1
S25
S24
S23
S22
S21
S20
S19
S18
S17
S16
S15
S2S1
S42
CO
M3
CO
M2
CO
M1
S48
S47
S46
S45
S44
S43
S42
S41
S40
S39
S38
S14
S37
S36
S35
S34
S33
S32
S31
S30
S29
S3
S4
S13
S5
S6
S7
S8
S12
S9
S11
S10
S68
S4
S5
S6
S7
S8
S9
S10
S11
S12
S13
S14
S15
S16
S17
S18
S19
S20
S21
S43
S44
S45
S46
S47
S48
S49
S50
S51
S52
S53
S54
S55
S56
S57
S58
S59
S60
S61
KD-SX998R,KD-SX997R
2-5A B C D E F G
1
2
3
4
5
Printed circuit boards
Forward side
Main board
Reverse side
Main board
BZ841
C1
C2
C3
C4
C5
C6
C31
C33 C34
C35
C36
C37
C38
C39
C40
C41
C43
C44
C45
C46 C47
C55
C72
C73
C74
C75
C76
C77
C81
C82
C84
C91
C92
C94
C161
C162
C163
C164
C171
C172
C173
C174
J321
D1
C179
C181
C241 C242
C243 C244
C245
C252
C253 C
256
C261
C262
R261
C271
C272
C273
C401
D401
C303 C304
C305
C306
D402
C313
C314
C315
C316
C317
C318
C319
C320
C321
C322 C323
C324
C325
C341
C361
C362
C363
C364
C365 C366
C367
C368
C369
C381
C382
C383 C384
C385
C386
C387
C388
C389
C390
C391
C392
C701 C702
C703
C704
C705
C706
C707 C708
C709
C710
C711
C713
C715
C716
C717
C771
C781
C782
C784
C801
C802
C841
C851
C852
C881
C891
C901
C902
C903
C904
C905
C906
C907
C908 C
909
C912
C914
C971
CN101
CN701
CN901
D4
D5
C257
C728
B401
D271
D272
D701
D702 D
703 D
704 D
705
D706
D707 D708
D709
D710
D713
D714
D784
D901 D902
D971 D972
IC301
IC901
J1
L1
L701
L901
Q1
Q2
Q3
Q5
Q6 Q7
Q8
Q53
Q271 Q331 Q351
Q781
Q784
Q841
Q976
R1
R2 R3
R4
R5
R6 R7
R8
R9
R31
R32
R33 R34 R35 R36 R37
R38
R39
R40
R41
R42
R57 R58
R59
R71
R72
R73
R74 R81 R82
R91 R92
R161
R162
R164
R167
R168
R177
R178
R246
R247
R253
R254
R255 R256 R257
R259
PP404
R271
R272
R273
R311
R312
R313
R314
R322
R323
R332
R333
R342
R343
R352
R353
R361 R362
R363
R364 R365
R366
R367
R368 R369
R381
R382
R383
R384
R385
R386
R387
R701
R714
R719
R72
0
R721
R722
R725 R728
R729
R733
R739
R740
R741 R742
R751 R753
R754 R755
R756
R757
R758
R759 R760
R764
R765
R801
R802
R803
R804
R805
R810
R841
R851
R901
R902 R903
R971 R972
R976 R977
RD
RESET
S701
S702
TD
TU1
VDD
VPP
VSS
X1
X31
X71
X701
X702
B1
C8
B12
B4
D2
B3
B7
PP405
D242
CN
251
C722
Q702
Q703
Q701
Q705
R781
R10
C255
R76
6
C804
C803
C175
C720
C721
B14
C725
PP401
PP403
PP402
C258
B8 B9
B6
B5
B2
C85
C95
C10
S703
D720 D719
D718
D717
C724
D243
CN401
C9
R11
C730
C301 C302
C311
C312
R768
R767
D3
D782
D781
D251
C712 C714
C718
C726
C732
C731
C729
C30
C29
C71
9
BZ841
C1
C4
C5
C31
C32
C33
C40
C42
C43
C48
C49
C50
C51 C52
C53
C54
C55
C71
C73
C77
C81 C83 C91
C161
C162
C163
C164
C171
C172
C173
C174
C91
1
J321
C179
C181
C182
C241
C242
C245
C251
C252
C253
C254 B13 C261
C262 C305
C306
R401
C31
5
C316
C317
C318
C361
C362
C363 C364
C365
C36
6
C367
C368 C369
C381
C382
C383 C384
C385
C386
C387
C388
C389
C390
C710
C711
C781
C784
C841
C851
C881
C901
C902
C903
C904
C905
C907
C908
C909
C910
C914
C91
5
C961
C96
2
C963
C964
C965
C966
C967
C968
CN101
CN701
CN901
C728
D32
1 D
331
D34
1 D
351
D714
D85
1 D852
D891
D892
D901 D991
D992 D993
D99
4
D995
D99
6
D997
D998
IC31
IC71
IC161
IC25
1
IC301
IC361
IC381
IC701
IC702
IC771
IC801
IC901
J1
J801
L1
L701
L901
Q4
Q9
Q31
Q51 Q52
Q81
Q91
Q24
1
Q321
Q341
Q782
Q881 Q891
R43
R44
R51 R52
R53
R54
R55
R56
R83 R93
R163
R165 R166
R241 R242
R243 R244
R24
5
R25
1
R252
R258
PP404
R301 R302
R30
3
R30
4
R31
6
R321
R33
1
R34
1
R35
1
R38
8
R38
9
R723
R724 R726
R730 R731
R73
2
R73
4 R
735
R73
6
R73
7 R
738
R74
3 R
744
R74
5
R74
6
R74
7 R
748
R74
9
R75
0
R771
R772
R78
2 R783 R784
R80
6
R80
7 R
808
R80
9
R881
R882 R891 R892
R901
S701
S702
R402
TU1
X31
X71
X701
X702
B12
B4
B3
B7
PP405
CN251
Q704
R780
C255
C175
PP401
PP403
PP402
B8
B9
B6
B5
B2
R196
R197
C10
C11
S703
R12
CN401
D722
D72
1
R786
C177
C176
C9
R787
C301 C302
C31
1
C31
2
R248
D244
B801
B802
KD-SX998R,KD-SX997R
2-6
KD-SX998R,KD-SX997R
HA B C D E F G
1
2
3
4
5
Front board
Forward side
Front board
Mecha control board Mecha control board
Reverse side
Forward side Reverse side
D601
D602
D603
D604
D605
D606
D60
7
D60
8
D609 D610 D611
D612 D613 D614 D615
D616 D617
D61
8
D619
D620
D64
1 D
642
D64
3
EN
601
IC602
J60
1
R601
R602 R603
R604
R605 R60
6
R60
7
R60
8 R609 R610
R61
1 R
612
R61
3 R614 R
635
R63
6 R
637
R63
8
S601 S602
S603
S604
S605
S606 S607
S608 S609 S610 S611 S612
S613
S614
S615
S61
6
S61
7
LCD1
C601
C60
2 C603
C604 C605
C60
6
C60
7
CN601
D641
D642 D643
D651
D652
D653
D654 D655
D656
D65
7
D65
8
D65
9
EN
601
IC60
1
IC60
2
J60
1
Q64
1
Q64
2
R62
0
R62
1
R62
2
R623
R624
R62
5 R
626
R62
7 R
628
R62
9
R63
0
R63
1 R
632
R633
R634
R64
1
R64
2 R
643
R64
4 R
645
R646
R65
0
R651 R652
R653
R654
R65
5
R65
6
R65
7
R65
8
R659
R66
0 R
661
R66
2 R
663
R66
4
R666
R667
R66
8 R
669
R67
0
R63
9
D66
0
C608
R68
0
R68
1
C60
9
R64
0
C571
C572
C573
C576
C602
C605
C608
C609
C610
C611
C621
C625 C
626 C
627
C631 C632
C636
C637 C
638
C640
C642
C643
C644
C646
C663
C664
C665
C666
C667
IC653
R517 R519 R520
R521
R522 R523
R524
R525
R526 R527 R528 R529 R531 R532
R534 R535
R564
R565 R566
R571 R574
R601
R602
R603
R604
R605 R606
R607 R608
R609
R610
R611
R612
R613
R614
R615
R621 R622
R623
R624
R625 R
626
R627
R628
R629
R630 R631
R632
R633
R634
R635 R636
R637
R638
R639
R640 R641
R642
R666
R667
R668
R669
R670 R671
R672 R673
R674
R675 R676
R677
TH501
C614
C675 C676
R616
R567
C50
1
C50
2
C503
C50
4
C505 C506
C507
C50
8
C50
9
C51
1
C51
2
C513
C551
C57
4
C57
5
C577 C57
8
C57
9
C58
0
C58
1
C58
2
C58
3
C58
4
C58
5
C586
C587 C588
C58
9
C59
0
C59
1
C592
C59
3
C60
1
C60
3
C60
4
C60
6
C60
7
C61
2 C
613
C62
2
C623
C624
C62
8
C62
9
C63
0
C63
3
C63
4 C
635
C63
9
C64
1
C64
5
C65
1
C65
2
C65
3
C654
C655
C65
6
C657 C658
C659 C660
C66
1 C
662
C66
8
C66
9
C67
1
C67
2 C
673
C681
C68
2
C683
C68
4
CN
501
CN
502
CN
503
CN601
D501
D502
D503
D50
4 D
505
D681
D68
2
IC50
1
IC50
2 IC
503
IC50
4
IC57
1 IC
572
IC601
IC62
1 IC
651
IC65
2
IC68
1
L501
L50
2
L571
L572
L621
L622 L62
3
L65
1
L65
2 L
653
Q50
1
Q502
Q571
Q572
Q60
1
Q681
R501
R50
2
R50
3
R50
4
R505 R506
R50
7
R508
R509 R510
R511
R512 R513
R514
R515
R516
R51
8
R53
0
R533
R53
6
R537
R53
8 R
539
R54
0 R
541
R54
2
R543
R545
R546
R54
7 R
548
R54
9 R
550
R551 R552 R
553
R554
R555 R556 R557
R558
R559 R560
R561
R56
2
R563
R57
2
R57
3
R58
1
R58
2
R583 R584 R585 R586
R587
R588
R589
R59
0
R59
1
R59
2
R651
R652 R653
R654 R655
R656 R657
R658
R65
9
R660
R661 R662 R663 R664 R665
R681
R68
2 R
683
R684
R685
R68
6
R687
X501
X57
1
RFDC
TEB
SEL
TE
FE
RFRP
RF
RFGC
RW
SEL
VR
EF
BU
S0
1
2
CC
E
BU
CK
3
X65
1
R689
VPP
CLK
SI
SO
R54
4 R
568
R56
9 R
570
RC
H
ON
5V
LR
CK
DSE
L
REQ
B
DET
SI/S
O
VD
D
BUSCK
PD
ET
RES
ET
CD
MU
TE
DAT
A
BC
K 9
V
LC
H
C64
7
C67
4
C510
C594
C59
7
C67
0
C52
1 C
522
C52
4
C52
6
C52
8
C53
0 C
531
C53
4
C535
C53
3
C52
7
C53
8
C53
9
C52
3
C52
5
C52
9
C536
C53
7
C53
2
R688
C68
7 C68
5 C
686
C68
8
R690
C596 C595 R593
C598
C68
9
C69
0
C61
5
B681
D50
6
KD-SX998R,KD-SX997R
< M E M O >
KD-SX998R,KD-SX997R
VICTOR COMPANY OF JAPAN, LIMITEDAV & MULTIMEDIA COMPANY 10-1,1Chome,Ohwatari-machi,Maebashi-city,371-8543,Japan
(No.49819SCH)Printed in Japan
2003/03