JVC KD-S51 Schematics
SCHEMATIC DIAGRAMS
CD RECEIVER
KD-S51
CD-ROM No.SML200502
Area suffix
J ------------- Northern America
Contents
Block diagram (For J version)
Standard schematic diagrams (For J version)
Printed circuit boards (For J version)
Block diagram (For J2 version)
Standard schematic diagrams (For J2 version)
Printed circuit boards (For J2 version)
COPYRIGHT 2005 Victor Company of Japan, Limited.
2-1
2-2
2-5
2-7
2-8
2-11 to 12
No.MA124SCH
2005/2
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.
Block diagram
CD servo control section Main amplifier section
IC652
MP3 DEC
IC621
D.SURVO
& DSP
SW1, SW2
SPINDLE
MOTOR
REST
SWITCH
LOAD&FEED
MOTOR
SW1, SW2
SPINDLE+, SPINDLE-
REST
LOAD/FEED+, LOAD/FEED-
(For J version)
MP3REQ, MP3CK, MP3DA, MP3STB, MP3RST
SDO
BCK
LRCK
DATA
BUS0 to 3
BUCK, CCE
DSPRST
BCK
LRCK
FMO, DMO
TRO, FOO
FE, TE
RFGC, RF
RFRP, RFDC
SEL, TEB
IC571
24BIt DAC
VOUTL, VOUTR
DACML, DACMC, DACMD
IC681
CD
DRIVER
IC601
CD RF
LOAD/FEED+, LOAD/FEEDSPINDLE+, SPINDLETRACKING+, TRACKINGFOCUS+, FOCUS-
LOAD, LD/FE
VA, VB
VE, VF
MD, LD
VREF
RWSEL
IC501
CN601
REST
SW1
SW2
CPU
LCD & Key control section
IC602
REMOCON
REMOCON
LCDCL, LCDDA
LCDCE, DIMMER
IC572
CD LPF
CDRESET
B.DET, P.DET
CDMUTE
CDREQ
S601 to S614
S616, S617
KEY MATRIX
KEY0, KEY1
KEY2
CD.L
CD.R
BUSSI/SO
BUSCLK
IC503
J-BUS
BUFF
IC502
EPROM
ENC1
ENC2
J1
ANT
CN501
CN601
CDRESET
CDMUTE
CDREQ
B.DET
P. D ET
SI/SO
SCK
KEY0
KEY1
KEY2
LCDCL
LCDDA
LCDCE
REMOCON
ENC1
CN701CN101
ENC2
DIMMER
FM/AM
TUNER
FMVT
AMVT
FM/AM OSC
IC31
PLL
PLLCE
PLLDA
PLLCL
PLLDI
TU1
IC701
CPU
TU.L
TU.R
SD/ST, MONO
SM, IFC.CONT
SEEK/STOP, FM/AM
VOLDA
VOLCL
RESET
EPROMCK
EPROMDI
EPROMDO
LPF1, LPF2
SI/SO, BUSCLK
SI/SO
BUSSO
I/O
BUSINT
SCK
BUSCLK
JVC BUS
Q781, Q782
MUTE
CONTROL
CD.L
CD.R
IC702
RESET
IC771
EPROM
IC801
MUTE
IC161
E.VOLUME
SCK
XFL, XFR
XRL, XRR
FL, FR, RL, RR
EACH BLOCK
REGULATOR
SWOUT
IC271
SUBWOOFER
SELECTOR
CH.L
CH.R
Q321, Q331
Q341, Q351
LINE OUT
MUTING
IC901
LN.FL,LNFR
LN.RL,LN.RR
IC301
POWER
AMP.
FRONT LEFT (+)
FRONT LEFT (-)
FRONT RIGHT (+)
FRONT RIGHT (-)
REAR LEFT (+)
REAR LEFT (-)
REAR RIGHT (+)
REAR RIGHT (-)
IC251
SUBWOOFER
AMP.
J321
FRONT
REAR
LINE OUT
CN901
SPK
BATTERY
J801
CD CHANGER
CONTROL
TRACKING+, TRACKINGFOCUS+, FOCUS-
FOCUS & TRACKING
COIL
CN001
VA, VB, VE, VF
LD, MD, VREF
PICK UP
IC601
LCD DRIVER
COM1 to COM10
S1 to S73
LCD1
LCD DISPLAY
D601 to D643
LIGHTING
DISPLAY
EN601
ENCODER
2-1
Standard schematic diagrams
(For J version)
Main amplifier section
QAU0312-002
J1
QNB0100-002
C8
C29
0.047
D706
CH.R
CH.L
R32
6.2k
D707
IC31
TB2118F-X
C33
C916
D709
D708
120P
47/6.3
2SB1132/QR/-W
47/16
UN2211-X
C730
100P
D719
D711
D720
C802
0.0047
R802
To CN501
(SHEET 2)
CN701
QNZ0605-001
DIMOUT
REMOCON
ACC5V
10V
ENC1
ENC2
LCDCE
LCDDA
LCDCL
KEY2
KEY1
To CN601
(SHEET 3)
KEY0
AUX.R
AUX.GND
AUX.L
PLLCE
PLLDA
PLLCL
PLLDI
CD.L
CD.R
CDMUTE
CDREQ
CDRESET
B.DET
P.DET
SI/SO
SCK
CN101
0.1
QGB2027M4-22S
C727
QNZ0095-001
QAX0616-001Z
X31
C36
7P
C35
10P
RA30
2.2K
10k
R33
C34
SW5V
0
R788
R904
220
D701
D703
D705
D702
D704
J801
4.7u
0.1
Q701
L1
R42
Q901
IC271
0
100/16
C911
10/16
R274
47K
C262
2.2/50
MA111-X
D271
C904
10/16
R276
R275
C254
R271
2.2k
LN.CTR
CNT.MI
1M
1M
C252
0.082
R258
15K
R296
SUB.CTR
0.1
C915
CD4066BPW-X
51K
R252
47/6.3
C261
2.2/50
47K
CD8V
C914
100/16
R251
0.0082
Q271
KTD1304-X
47K
R295
Q292
UN2211-X
Q291
UN2211-X
100
R293
C907
220/10
IC301
TB2906HQ
IC291
0.1
STBY
AMPSW
XFL
C917
0.1
0.1
RL
FL
0.47
C312
C301
0.47
RR
FR
XRR
XRL
D351
MA111-X
D341
MA111-X
D321
MA111-X
D331
MA111-X
C292
9.1k
R902
4.7k
R903
C311
0.47
R313
R303
C302
0.47
R351
2.2k
R341
2.2k
R321
2.2k
R331
2.2k
R292
R298
47K
C902
2.2/50
D325
0.1
C341
R279
47K
0.0056
C277
1M
R277
1M
R278
C278
0.012
C257
0.047
100k
C251
0.1
C256
C255
47/16
R260
47k
XFR
0
820
R262
R261
CD4066BPW-X
C271
C273
100
100P
R294
C272
100P
R906
10k
R907
5.6k
Q902
UN2111
1k
R905
Q903
UN2211
ACCIN
C903
C905
47/16
47/16
R311
47K
R312
47K
R314
R304
R301
47K
R302
47K
R342
820
R352
820
0
R901
1k
UDZS11B-X
1.2K
R318
100p
100p
1.2K
C313
C314
100p
100p
C303
C304
1.2K
R308
1.2K
Q341
KTD1304-X
Q321
KTD1304-X
820
R332
R322
R291
0
R297
47K
C294
4.7/25
100
R333
CN251
QGA2501C1-03
R317
R307
820
LN.FL
J321
Q351
Q331
C293
B305
4.7/25
100
LN.FR
0
C307
KTD1304-X
KTD1304-X
R353
R323
100
1/50
R343
RB160M-30-X
QNZ0611-001
LN.RL
LN.RR
1/50
C308
D995
D991
D996
D992
D997
D993
D998
D994
2.2K
OUTFL-
OUTRL-
C318
2.2/50
OUTRR-
OUTFR-
C319
OUTRL-
0.1
OUTFR-
C315
OUTFL+
2.2/50
OUTFL-
OUTFR+
OUTFL+
OUTRL+
OUTRR-
OUTRL+
OUTRR+
OUTFR+
OUTRR+
C316
0.1
C320
4.7/25
C317
22/16
C326
1000P
MUTE
1K
R706
Q706
UN2211-X
L901
D972
0.1
100
C971
D971
CN901
RB160M-30-X
RB160M-30-X
RB160M-30-X
RB160M-30-X
RB160M-30-X
RB160M-30-X
RB160M-30-X
RB160M-30-X
D901
1N5401-F64
C901
QEZ0723-338
QQR1378-002
RB160M-30-X
4700P
C322
4700P
C323
4700P
C324
4700P
C325
C965
470P
470P
C961
470P
C966
470P
C962
470P
C967
C963
470P
470P
C968
470P
C964
R972
R971
2.2K
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
RR
RL
FL
FR
R372
0
XFL
XFR
R373
000
TU1
IC361
NJM2160BV-X
47/6.3
R366 R367
R387 R386
R731
47k
BUSCLK
R757
2.2k
C361
100k
100k
C365
4.7/25
R382
C390
C392
C381
100k
C383
100k
C385
C394
VDD5V
S701
QSW0451-001
LCDCE
LCDCL
LCDDA
I/O
BUSSO
SI/SO
LEVEL
KEY2
KEY1
KEY0
ENC2
4.7k
4.7k
4.7k
47K
47K
R362
0.1
C391
4.7/25
47/16
C363
C393
0.1
R363
22k
22k
100/10
0.1
4.7/25
47/16
4.7/25
0.1
R383
L701
4.7u
C711
220/10
C713
0.22
C725
0.1
C743
0.33
C744
0.1
0.1
0.1
SM
C740
0.1
R747
R748
R749
R776
R775
Q1
KTD1304-X
C81
R81
SM
C12
C10
0.1
220/10
R1
12
330P
C51
SD/ST
C731
4700P
1/50
C91
1/50
R2
47k
MONO
IFC.CNT
PWR
R720
R719
R709
DIMOUT
LN.CTR
SUB.CTR
C706
VOLDA
VOLCL
/SUBMUTE
LPF1
LPF2
R768
R767
R760
R759
R770
R769
R714
TEL.OUT
R762
R761
IC701
UPD784217AGC308
C732
C734
C735
4700P
0.01
R91
R8
10k
Q8
1.2k
0.1
2.2k
R161
2.2k
R162
0
R791
0
R792
0
R793
47k
47k
47k
47k
47k
47k
10K
47k
47k
VPP
C736
0.01
0.01
C1
22/16
MA111-X
MA111-X
C7
0.1
D1
D2
C39
0.001
R38
R39
0
100
C38
1000P
10P
C37
39k
10k
C40
10/16
0.047
0.01
R40
0.047
R41
C43
C42
C41
C44
0.01
0.01
C46
0.01
C47
R43
R44
470
220
C48
0.047
C50
C32
100P
47P
R31
4700P
10
10
C31
Q31
100/10
UN2211-X
UN2211-XUN2211-X
PWR
P.DET
PS2
B.DET
0.01
0.01
C721
C722
D717
D718
R804
R805
100k
R803
47k
C803
C729
0.1
C716
C728
0.1
C717
100P
100P
22k
100
IC801
HD74HC126FP-X
22P
C2
C52
Q703Q702
R806
0.0027
C45
10k
0.1
/CDRESET
100
R9
C4
0.001
UN2211-X
C720
C6
0.1
220/10
22/16
Q6
2SB624/4/-X
R7
C49
Q7
FM/AM
CDRESET
0.01
R789
270
FM.VCC
C9
UN2211-X
C3
0.1
R11
10k
R6
47k
4.7k
R13
C24
0.001
C27
5600P
Q704
CDREQ
R765
R810
100
C801
C95
0.1
C11
2SB709A/R/-X
D4
MA111-X
4.7k
R12
4.7k
33
R15
Q2
2SC2411K
R780
47k
Q705
UN2211-X
/CDREQ
270
D714
SML-310VT/JK/-X
D715
SML-310VT/JK/-X
D716
SML-310VT/JK/-X
R807
R808
330
22k
R809
47k
R801
0.047
C94
3.3k
C26
C25
330P
4.7k
R14
CDMUTE
SI/SO
BUSSO
I/O
100k
BUSINT
BUSCLK
SCK
C804
C84
VDD
Q5
R5
47k
D5
MA111-X
0.1
R781
22P
C85
D6
MA111-X
47k
/CDMUTE
C5
0.1/50
R52
27K
R50
SEEK/STOP
C723
0.1
R92
CD.L
CD.R
AUX.R
C177C176
0.0470.047
AUX.GND
AUX.L
CH.L
CH.R
LEVEL
UN2211-X
0.01
0
10k
0.01
C737
C738
C82
R82
C92
C30
C28
0.01
STBY
1k
R763
C395
0.01
0.01
C739
1k
R721
/CDRESET
0.01
C396
100K100K
R197R196
R758
0.01
D244
47k
10k
R722
/CDMUTE
0.01
C797
C173
C163
C172
C162
C171
C161
C175
C179
C183
0.22
R248
UDZS5.1B-X
AMPSW
0.01
C798
QTE1H55-225Z
QTE1H55-225Z
220
VSS
R755
X1
0.047
C747
IC161
TDA7404D-X
1/50
1/50
1/50
1/50
C165
1/50
1/50
C174
1/50
47/16
C184
0.22
RB160M-30-X
D243
0.047
39K
0.015
MA111-X
0.22/50
1k
D242
C245
R247
C244
R246
S702
QSW0451-001
PLLDI
PLLCL
PLLDA
PLLCE
FM/AM
IFC.CNT
SEEK/STOP
10k
R723
10M
820
R754
TELMUTE
X701
47k
R701
X702
0.1
27P
8P
C702
C704
C703
C705
QAX0617-001Z QAX0401-001
C243
R245
27P
47
10k
R725
/RESET
C701
/CDREQ
22P
R244
12k
C242
22/16
Q241
2SD601A/R/-X
ANT.CNT
BUSINT
PS2
0.015
C742
R243
R242
R753
R158
R159
180k
1/50
22k
MONO
10k
R726
47k
C241
R751
C708
C182
C181
10K
10K
47k
R241
SD/ST
10k
R728
10k
REMOCON
0.1
R787
10k
C147
0.01
0.1
100/16
VOLDA
VOLCL
R163
120k
R729
47k
RESET
10k
R750
ENC1
C726
0.1
R756
FL
RL
RR
FR
IC771
270
R771
47k
D710
MA111-X
R370
RL
1k
R371
FL
1k
RR
R390
1k
FR
R391
1k
BR24L16F-W-X
270
C771
0.047
R772
TD
RD
R730
10k
R732
10k
2.2k
R734
2.2k
R735
2.2k
R736
0
R737
R738
4.7k
R739
4.7k
R740
4.7k
R741
10k
R766
47k
10k
R743
10k
R744
10k
R745
R746
10k
S703
QSW1049-001Z
R764
100
D713
UDZS5.6B-X
IC702
IC-PST3433U-X
0.01
C709
C710
R361
C745
0.33
C746
0.1
C362
C360
R365
R381
C382
C380
R385
NJM2160BV-X
Q976
UN2211-X
33k
0.0015
0.0015
33k
33k
0.0015
0.0015
33k
TELMUTE
Q977
2SB709A/QR/-X
47k
R892
Q891
UN2211-X
22k
22k
IC381
C724
C707
0
0
R397
R398
R396
R395
LPF2
C369
100/10
C368
4.7/25
C367
4.7/25
C366
100/10
C388
100/10
C389
4.7/25
C387
4.7/25
C386
100/10
Q781
UN2111-X
D781
MA111-X
C781
47/6.3
RB160M-30-X
D851
C851
10/16
D852
RB160M-30-X
R977
8.2k
R976
20k
1k
MA111-X
R891
D891
0
R893
D892
MA111-X
0.1
C891
47K
47K
R368
R369
47K
47K
R388
R389
C782
0.47
R851
Q892
UN2211-X
10k
C852
C909
TEL.OUT
ANT
220/10
XRL
XFL
XRR
XFR
2.2K
R785
0.01
LPF1
47/6.3
D273
D782
MA111-X
R784
47K
KTD1304-X
HA13164A
C908
R881
UDZS4.7B-X
C279
MA111-X
Q782
IC901
MA111-X
220/10
47k
UN2211-X
Q274
Q273
R254
470k
C253
10/16
/SUBMUTE
R783
10K
D902
C912
0.1
Q881
R882
4.7k
D251
C881
22/16
UN2211-X UN2211-X
R253
Q272
UN2111-X
D783
Q784
UN2111-X
UDZS11B-X
0.1
C276
0.022
C274
0.022
C275
0.022
C298
0.1
100k
IC251
NJM4565M-WE
R256
100k
R257
8.2k
R259
1.2k
C281
0.082
MA111-X
C784
D784
C910R4C906
47/16
IN.DIMMER
R255
SHEET 1
2-2
CD servo control section
C612
C613
QGF0527F2-22W
CN601
VA
VF
VE
VREF
VB
R615
MD
LD
FOCUSFOCUS+
TRACKING+
TRACKINGSPINDLE+
SPINDLEREST
SW2
SW1
LOAD/FEED+
LOAD/FEED-
CN502
QGF0501F1-08X
RESET
BUSSCK
BOOT
BUSSI
BUSSO
150
0.01
0.01
SPINDLE+
SPINDLELOAD/FEED+
LOAD/FEED-
R682
2.2k
R681
6.8k
R683
6.8k
DACML
DACMC
47
R574
PCM1753-X
R594
47u
L653
0.01
C652
BUSIO
/BUSIO
100
R534
-
R599
LOAD
100
R533
DATA
BCK
47
CDON
LD/FE
R595
SDO
R657
1k
R532
-
R598
47
LRCK
R678
2.2k
Q652
UN2211-X
R656
2SB624/4/-X
RWSELSCK
47k
47k
R531
R530
BUSSO
DACMD
C561
0.012
0.1
100/6.3
C575
C573
IC652
TC94A34FG-002
-
Q651
47k
47k
-
R528
R529
BUSSI
BUSSCK
0.012
C580
R677
C502
-
R527
R585
27K
C587
C588
150P
R569
R570
MP3STB
1k
1k
R553
18k
33k
150P
100k
IC503
C589
4.7/35
IC572
C590
4.7/35
C593
47/16
R655
C656
NJU7241F33-X
IC504
1k
SN74AHCT126PW-X
100k
R551
NJM4580V-X
R588 R587
-
C599
10k
0.1
R555
100k
R552
CD.L
R589
10k
10k10k
R592R590
C592
47/6.3
10k
R591
C591
100k 0
Q571
UN2111-X
Q572
UN2211-X
R566
-
R556
C594
0
1000p
8VDET
Q502
UN2211-X
R565
-
47/6.3
C596
D506
MA111-X
B501
0
R564
-
R557
CD.R
CDON
C595
0.047
4.7
100p
R593
CD.L
AGND
CD.R
9V
SCK
DATA
CDMUTE
CDREQ
CDRESET
B.DET
P.DET
BUSSI/SO
BUSCLK
100k
CD8V
CN501
QGB2027L1-22X
To CN101
(SHEET 1)
47k 47k
L502
47u
100
R560
100
R558 R559
C585
10/6.3
47k
C506
C662
R651
100k
47/6.3
R523
R522
R521
R520
R519
R518
R517
R513
C582 C581
100p
C654
1k
R509
R512
R511
NAX0385-001X
R510
100
0.01
C661
C504
R508
R581
24K
4.7/35
820p820p
C583C584
100p 100p
C586
R582
24K
4.7/35
0.1
0.01
100p
C659
C660
0.01
C655
0.1
MP3DA
MP3RST
MP3CK
DSPRST
100
CCE
100
BUCK
100
BUS0
100
BUS1
100
BUS2
100
BUS3
100
SW1
R515
B.DET
47k
R514
47k
47k
47k
CDRESET
1k
X501
22P
22P
C505
47k
RESET
C578
100/6.3
47u
100/6.3
L572
C574
C663
-
L651
47u
C653
R526
R524
0.01
C503
100/6.3
R654
CDON
39
SDO
R583
8.2K
R584
8.2K
R586
27K
BCK
DATA
LRCK
L501
47u
C512
100/6.3
C513
0.01
C511
0.1
R561
R568
BUSSO
R563 R562
6.8k 3.9k
C551
BUSSI
BUSIO
/BUSIO
BUSSCK
R554
0.01
RFRP
0.1
SEL
2SB1132/QR/-W
Q601
FMO
DMO
100
100
R635
R636
FOCUS+
FOCUSTRACKING+
TRACKING-
R686
12k
R688
1.8k
R609
L621
VREF
C638
TEB
C604
0.01
CDON
TRO
FOO
DMO
C690
10/6.3
C682
4.7/35
C683
0.1
C684
47/16
56k
47u
FE
82k
R607
0.01
C639
C622
B681
1SR154-400-X
D682
C606
47/6.3
47/6.3
0
47/16
47/16
VREF
47/16
C689
C693
C694
R608
47/6.3
820
TRO
R631
RWSEL
100
RFDC
R630
0.01
C607
TE
C605
0.0068
FOO
C637
C636
C632
C631
R634
R633
R632
100
R624
5.6k
C508
0.01
MP3DA
MP3CK
IOP
IC502
BR24L01AFV-W-X
0.047
0.047
470p
470p
C616
10/6.3
270
R546
CDON
2SB624/4/-X
Q574
UN2211-X
0.047
C635
0
0
0
C630
R629
10k
C627
R628
R626
47p
C623
R625
C509
R549
R550
R548
R525
270
R547
Q573
R579
0.047
C634
0.033
C629
0.01
C625
Q501
UN2111-X
R542
R543
R544
R545
0.01
100k
0.01
C510
R578
2.2k
0.047
C633
0.033
C626
0.01
1.5M
470k
47k
P.DET
R516
R540
47k
R539
47k
R541
100
10k
100
100
10k
4.7k
4.7k
8.2k
NAD0028-103X
TH501
RFGC
RFDC
RFRP
1k
47k
SEL
TEB
TE
FE
RF
0.0027
0.1
C577
IC573
L573
C624
R627
BOOT
SN74AHCU04PW-X
100
R577
1000p
C597
C628
47/6.3
0.015
15k
0.001
8VDET
C514
IC501
TMP91CW12AF5VD9
BUSSCK
1000p
C598
0.01
C501
IC571
47
R668
R572
1K
2.2M
R575
1K
R573
X571
27P
27P
C571
C572
47u
L652
1k
1k
1k
R502
R503
R501
CDMUTE
CDREQ
CDON
NAX0375-001X
C665
0.1
IC651
100
R537
100
100
R504
R505
MP3RST
MP3STB
R576
C667
C666
C675
C676
R675
C664
C668
C669
NJU7772F15-X
DACMD
DACMC
DACML
100
100
R535
R536
47k
R506
SW2
0.01
100p
-
-
47/6.3
0.01
C507
0.01
1K
REST
C651
R507
X651
220
2200P
47/6.3
47k
RF
R605
100p
C642
R610R611R612R614
10010k2k15k
C609
22
R606
47/6.3
C641
R621
2SB1184/QR/-X
C603
Q681
RFGC
0.1
C608
100/6.3
22
0.01
C640
1M
R637
0.01
47
47
47
R622
R623
C621
BCK
LRCK
DATA
C685
-
C686
-
R690
33k
R689
12k
R685
6.8k
R687
6.8k
R613
C611
68p
1k
C610
5p
IC601
TA2157FN-X
82k
FMO
8.2k
IOP
BUS0
BUS1
BUS2
BUS3
BUCK
CCE
DSPRST
L623
47u
C687
-
C688
-
15k
0
LOAD
LD/FE
C614
0.01
4.7k
R638
4.7k
R639
R601
R602
R603
R604
4.7k
R640
4.7k
R641
0.01
C646
C601
C643
0.01
10k
R642
82k
330k
330k
47/6.3
L622
47u
0.33
C644
BA5830FP-X
C602
47/6.3
C645
IC681
0.01
R616
10k
IC621
TC94A14FA
VB
VA
VF
VE
MD
LD
R684
R691
B682
SHEET 2
2-3
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