KD-S73R/KD-S71R
SCHEMATIC DIAGRAMS
CD RECEIVER
KD-S73R / KD-S71R
CD-ROM No.SML200302
Area Suffix
E ----------- Continental Europe
EX --------------- Central Europe
Contents
Block diagram
Standard schematic diagrams
Printed circuit boards
Model
KD-S73R
KD-S71R
TP/PTY
SEL
DISP
7 9 10 12
MO
8
Illumination
Amber
Green
FM
CD
SSM
RND
11
RPT
AM
SCMMODE
COMPACT
DIGITAL AUDIO
2-1
2-2
2-5~7
COPYRIGHT 2003 VICTOR COMPANY OF JAPAN, LTD.
No.49780SCH
2003/02
KD-S73R/KD-S71R
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.
2-4
Block diagram
5
POSITION SET
SWITCH
4
3
LOAD&FEED
MOTOR
SPINDLE
MOTOR
SW1, SW2
PICK UP
PSW
FEED+
FEED-
SPINDLE+
SPINDLE-
SW1, SW2
VF1,VF2,
VT1,VT2,
LD,MD,
TRACKING+
TRACKINGFOCUS+
FOCUS-
CN501
SW1,SW2
SPINDLE+
SPINDLEFEED+
FEEDTRACKING+
TRACKINGFOCUS+
FOCUS-
VF1,VF2,
VT1,VT2,
MD,LD
LM,MSW
IC561
CD
DRIVER
IC501
RF AMP
CD-RW
DMO,FMO
TRO,FOO
SEL
TEB
TE,FE
RF
RFGC
RFDC
RFRP
IC521
DSP
&
DAC
LO
RO
IC571
L.P.F.
CD L
CD R
BUS0~BUS3
BUCK,CCE
RST
CDON
J1
ANT
TU1
FM/AM
TUNER
MUX
IC71
RDS
DETECTER
RDSSCK
RDSDA
IC701
MICOM
STEERING
MONO
FMEO
AMEO
SK/STP
SD/ST
AFCK
TU L-CH
TU R-CH
FM/AM
OSC
IFC
SK/ST1
SM
SDA
SCL
IC161
E.VOL
OUT LF
OUT RF
OUT LR
OUT RR
CD.L
CD.R
REGULATOR
EACH BLOCK
IC901
REAR L
REAR R
KD-S73R/KD-S71R
J301
LINE OUT
IC301
POWER
AMP
FL+, FLRL+, RLFR+, FRRR+, RR-
CP961
SPK
BATTERY
S601~S620
KEY MATRIX
KEY0
KEY1
KEY2
CJ601
2
LCD1
COM1
COM2
COM3
S1 ~ S48
IC601
LCD
DRIVER
LCDCL
LCDDA
LCDCE
CN701
STEERING REMOTE
1
AB CD E F G
2-1
Standard schematic diagrams
Main amplifier section
C1
5P
C31
C32
1000P
Q31
UDZS6.2B-X
D702
Q8
C41
0.12
UDZS6.2B-X
D703
L1
4.7u
R31
1k
C42
0.012
UDZS6.2B-X
D704
QAU0292-001
D1
1SS355-X
C12
R41
3.3K
2SC3661-X
0.47/50
UDZS6.2B-X
UDZS6.2B-X
D705
TU1
D2
C2
C3
150P
R42
Q42
D708
R32
10k
1k
R51
470
UDZS6.2B-X
0.047
1k
C43
100/16
D709
1k
UDZS6.2B-X
D701
R44
ILL10V
0.47/50
33
SW5V
C711
0.1
C714
0.33
UDZS6.2B-X
C11
Q4
2SB709A/R/-X
1SS355-X
R52
15k
Q52
2SD601A/R/-X
R53
10k
1SS355-X
0.1
R35
Q32
2SD601A/R/-X
R45
Q41
2SC3661-X
SQ
C51
UDZS6.2B-X
D706
D707
5
J1
QNB0100-002
2SD601A/R/-X
2.2/50
2SD601A/R/-X
4
R33
1.5k
R43
1k
AMEO
FMEO
9V
CD-R
CD-L
PSW
SW1
SW2
LM
To
CD servo
control section
3
MSW
CDON
CD-RW
BUS0
BUS1
BUS2
BUS3
BUCK
CCE
RST
SW5V
CD8V
GND
VMC0334-001
To
LCD & Key control
section CJ601
CN701
DETACH
ILL10V
ACC5V
REMOCON
ENC1
ENC2
LCDCL
LCDDA
LCDCE
KEY0
KEY1
KEY2
2
CN702
QAM0461-001
QGA2006F1-02
KD-S73R/KD-S71R
C13
C186
C79
2SD601A/R/-X
R243
REMOCON
R734
10k
10k
R717
R718
SQ
1/50
C185
1/50
1/50
CD.L
CH.L
CD.R
9V
12k
R245
180k
C244
1/50
100
22k
R246
C243
22/16
SW1
R730
100k
R754
47k
4.7k
R729
RESET
4.7k
R719
4.7k
R720
R721
4.7k
BUS1
Q2
1SS355-X
D71
AFCK
BUS0
R3
0
C72
47P
C71
82P
Q7
UN2211-X
MSW
CCE
BUCK
0
R739
UPD178078GF-593
SDA
SCL
R91
R81
47/6.3
0.01
R705
C74
C73
X71
LM
2.2k
LCDDA
Q74
C78
0.1
UN2111-X
R77
R738
Q71
0
IC701
LCDCL
10k
10k
R76
2SD601A/R/-X
100
R71
QAX0263-001Z
CD-RW
MSW
R706
2.2k
R707
I/O
2.2k
R72
RDSSCK
4.7k
LCDCE
2SD601A/R/-X
Q73
1500P
18K
R82
0
R74
SAA6579T-X
2.2k
LM
R708
2.2k
SW2
PSW
LEVEL
0.015
C241
CDON
C83
Q72
UN2111-X
IC71
R737
10k
R711
ENC1
R75
4.7k4.7k
D241
1SS133
220K
R241
47k
10k
R712
ENC2
18K
R92
C75
560P
C242 R244
0.047
1SS133
D242
MUTE
1.2k
R736
10k
10k
10k
R713
R714
R715
KEY0
KEY1
KEY2
C93
1500P
0.01
C76
0.022
C77
2.2/50
2.2k
R73
RDSDA
Q241
R242
1k
CTRL
TEL-MUTE
1k
R735
10k
R716
SM
LEVEL
1/50
C94
1/50
R1
100
1000P
Q5
47k
R7
4.7k
2SD601A/R/-X
VDD
1000P
C81
C91
C7
10p
R8
8.2( 1/8W)
1000P
C9
C8
R10
220/10
9V
IFC
OSC
SK/ST1
R56
47k
C54
0.01
C55
330p
R59
47k
R57
SK/STP
R744
10K
C713
UNLOCK
0.01
VSS
22K
R750
100p
220/10
C5
C4
C6
10/16
R2
10k
R6
47k
2SB624/4/-X
D3
D4
1SS355-X
Q6
UN2211-X
R9
3.3k
FM/AM
R54
10k
Q51
C53
0.1
R55
2.2k
C52
4700p
RDSSCK
MONO
SK/ST1
FM/AM
C712
AFCK
0.1
RDSDA
C701
100P
C84
C10
1/50
C82
0.012
2SD601A/R/-X
C92
Q1
0.012
R4
4.7k
UN2211-X
Q3
UN2111-X
R11
10k
SD/ST
MONO
22k
SM
PS2
R742
47k
R743
47k
2.2K
R751
R709
R710
SW5V
SK/STP
R58
47k
Q53
UN2211-X
RST
BUS2
BUS3
ACC5V
DETACH
R740
100K
10K
R741
4.7k
4.7k
4.7k
R702
R703
R704
47k
47K
INT
SISOSCK
220P
R162
22k
C184
1/50
C183
C182
1/50
C181
1/50
220k
R161
D161
1SS355-X
CH.R
47k
R247
R753
47k47k
R733
47k
VPP
R728
R727
R726
47k
R725
47k
10K
R752
X701
R724
0
QAX0406-002Z
C705
R723
47k
R722
47k
R755
47K
C162
8200P
C172
8200P
C191
220k
R171
47/16
C192
100/10
D171
1SS355-X
POWER
47k
10K
X1
33P
C708
22p
C707
C706
0.1
0.1
C702
0.01
KD-S73R/KD-S71R
R163
2.2k
C163
0.18
C166
5600P
C165
0.033
0.22
C164
IC161
TEA6320T-X
0.22
C174
C175
0.033
C176
5600P
C173
0.18
22k
R172
R173
2.2k
R5
C704
100/10
C703
0.01
R174
R164
270
270
SDA
SCL
R184
4.7K
TEL-MUTE
FMEO
AMEO
OSC
IFC
SD/ST
47k
SW5V
ACC5V
9V
CTRL
CD8V
ILL10V
PS2
R194
4.7K
R891
47k
1SS355-X
Q891
UN2211-X
C709
100/10
0.01
C710
L701
4.7u
Q902
UN2211-X
C167
4.7/50
C177
4.7/50
100/16
C193
D891
L702
4.7u
2SA1037AK/RS/-X
QNN0519-001
J301
1SS355-X
SI
R342
100( 1/10W)
Q351
R353
R341
2.2k2.2k
820( 1/10W)
2SD1781K/QR/-X
D341
D321
1SS355-X
C332
C331
390P
C341
390P
R178
27k
UN2211-X
R801
100/16
C910
0.33
R168
27k
C351
390P
C321
390P
C322
0.33
1K
R782
C784
4.7/25
Q782
SO
R802
100k
100k
R810
100
R803
100k
0.01
220/10
22/16
C915
47/16
C911
C914
C912
C913
0.01
0.33
C352
C342
0.33
27k
R781
D782
1SS355-X
C783
0.22
C802
0.047
C903
47/16
0.1
0.1
C909
C908
C344
C333
0.047
IC801
HD74HC126FP-X
0.047
POWER
R301
4.7k
IC301
LA4743K
10/16
C301
C310 C311
0.1 0.1
QQR1378-001
R901
1k( 1/4W)
C309
0.1
RL-
0.1
C308
C302
C303
0.022
47/16
I/O
R808
100k
R804
10k
R806
22k
R805
100
R809
R807
100k
100k
L901
D902
RB160M-30-X
2.2K( 1/8W)
2.2K( 1/8W)
RR-
QMFZ047-150-T
22/16
C305
C304
C306
100/16
0.022
SCK
INT
D901
1N5401-F64
C901
2200/16
C902
R903
FL-
FR+
FR-
RL-
RR+
J801
QNZ0095-001
0.1
RB160M-30-X
D903
R902
RL+
FL+
RL+
FL-
FL+
C312
C313
C314
C315
100P
100P
100P
100P
C319
100P
100P
C318
FR+
FR-
C317
100P
100P
C316
RR+
RR-
CH.L
A-GND
CH.R
CP961
QNZ0112-001
QAM0158-001
R332
100( 1/10W)
R331
NOT USE
C168
4.7/50
C178
4.7/50
R191
10( 1/8W)
C194
0.01
MUTE
Q781
UN2111-X
D781
1SS355-X
R892
1k
D892
1SS355-X
C891
0.1
Q901
R906
8.2K( 1/10W)
R907
20k
C904
220/10
Q321
820( 1/10W)
9V
C781
220/10
C782
22/16
C905
220/10
R323
2.2k 2.2k
2SD1781K/QR/-X
D904
1SS355-X
10/16
100( 1/10W)
R333
820( 1/10W)
R165
R175
C906
R322
R321
47k
47k
Q783
UN2111-X
D783
UDZS11B-X
Q331
2SD1781K/QR/-X
47k
R166
47k
R176
2.2/50
R352
100( 1/10W)
C907
Q341
R343
2SD1781K/QR/-X
R351
820( 1/10W)
R167
27k
R177
27k
IC901
HA13164A
R904
9.1k
R905
4.7k
1
Tuner signal
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
2-2
CD signal
Front signal
Rear signal
HAB C DE FG
KD-S73R/KD-S71R
CD servo control section
5
MSW
LA6579H-X
1.5k
1.5k
C514
20k( 1/10W)
R565
C566
C565
C564
0.047
4.7K
R569
R573
R515
100
C511
5p
0.0470.047
C567
0.047
FOCUS-
FOCUS+
FEED-
SPINDLE+
SPINDLE-
FEED+
1.5k
RFGC
0.1
LD
Q501
0.01
C504
RF
C510
MD
2SB1241/QR/-T
TRACKING-
TRACKING+
C509
100/6.3
TP1
RFRP
56k
0.1
R510
SEL
TEB
100/6.3
C505
22
R507
R508
22
GND
FEED-
VF2
FEED+
VCC
GND
VT2
SW1
VT1
SW2
VF1
PSW
VR
SPINDLE-
LD
SPINDLE+
FOCUS-
VREF
FOCUS+
4
MD
TRACKING+
TRACKING-
FEED-
FEED+
SPINDLE-
SPINDLE+
FOCUS-
FOCUS+
TRACKING+
TRACKING-
CN501
QGB2027M4-22S
VF2
VCC
VT2
SW1
VT1
SW2
VF1
PSW
R519
VR
150( 1/10W)
LD
VREF
MD
VREF
C513
0.01
R514
15k
3
VF1
VF2
VT2
VT1
VCC
R503
R504
R505
R506
C501
0.01
C502
0.01
R566
8.2k( 1/10W)
R567
6.8k
IC561
3k
R568
LM
R572
R571
C512
R513
1k
82p
R512 R511
2k 10k
IC501
TA2157FN-X
82k
82k
330k
330k
C503
100/6.3
4.7k
R563
15k
R564
R562
Q561
2SB1322/RS/-T
R561
33k
C562
0.01
C508
0.01
FE
R509
82k
RFDC
DMO
8.2k
FOO
C561
47/6.3
D561
1A3G-T1
TRO
C563
100/10
C559
TP2
Q521
UN2111-X
Q522
UN2211-X
L521
L523
C557
100P
4.7k
4.7k
L522
R537
R536
47u
R517
0
CD-RW
C507
0.0068
R516
820
TE
SW5V
1800P
47u
47u
C547
0.1
C555
100/6.3
100/6.3
C548
0.01
C549
BUCK
BUS0
CCE
BUS1
BUS2
RST
4.7k
4.7k
BUS3
R535
R534
CDON
R538
C552
0.01
C551
100/10
R594
150
C594
820p
C584
820p
R584
150
C553
C545
100/6.3
100p
C546
0.01
C544
10p
C554
10p
R533
1M
X521
QAX0413-001Z
10k
C556
0.1
C550
1/50
C592
R591
18k
4.7/25
820p
C591C581
820p
C582
R581
18k
4.7/25
FMO
DMO
0.01
C539
C541
100
100
R531
R532
47u
L524
C521
100/6.3
R586R587
22k22k
C585
R597 R596
22k 22k
C595
47/6.3
TRO
FOO
C538
C537
C534
C540
0.01
C533
R530
R529
R526
100
R528
R527
100
C522
0.01
100/6.3
R592
33k
C593
R593
12k
120p
C583
R583
12k
120p
R582
33k
47/6.3
C596
0.047
0.047
470p
470p
0
0
0
TC94A14FA
C530
R521
5.6k
0.047
0.047
0.047
C531
C535
C536
IC521
0.033
C528
R525
0.033
10k
0.01
C527
2700P
C526
0.01
C525
R524
C524
0.015
15k
R523
470k
R539
1.5M
47p
C523
R522
47k
0
R595
IC571
NJM4565M-WE
R585
100/16
C597
100P
RFGC
RFDC
RFRP
C529
100/6.3
CD.L
0
CD.R
9V
SEL
TEB
9V
TE
FE
RF
CD.L
PSW
SW1
CD-RW
BUS1
BUS3
SW5V
CD8V
CD.R
SW2
LM
MSW
CDON
BUS0
BUS2
BUCK
CCE
RST
GND
To Main amplifier section
2
CD signal
1
AB CD E F G
2-3
KD-S73R/KD-S71R
KD-S73R/KD-S71R
LCD & Key control section
5
IC602
IC601
LC75823W
RPM6938-SV4
D644
R661
C611
0.012
UDZS5.1B-X
10k
C612
4.7/6.3
R662
470
VMC0335-001
ILL10V
ACC5V
REMOCON
LCDCL
LCDDA
LCDCE
KEY0
KEY1
KEY2
GND
CJ601
To
Main amplifier
section CN701
4
LCD1
QLD0210-002
S2
S1
S3S4S5
S6
S7
S8
S9
S10
S11
S17
S18
S19
S16
S12
S13
S14
S20
S15
S21
S25
S22
S28
S24
S27
S26
S23
S29
S31
S30
S32
S33
S36
S35
S38
S34
S37
S44
S45
S39
S40
S46
S47
S43
S42
S41
S48
COM3
COM1
COM2
R601R602R603R604R605
R612
KEY0
820
S601
R606R607R611 R610 R609 R608
KEY1
820
S607
KEY2
820
S614
820
R645
D601
D602
820
R644
510
R643
D603
D604
D605
510
R642
220
R641
D606
D607
D608
D609
220
R640
D610
820
R633
D618
D619
820
R632
SML-310LT/MN/-X
D620
820
R631
PL601
D645
UDZS6.2B-X
PL602
LCDCE
LCDCL
LCDDA
10/6.3
C603
D611
D612
D614
220
1.2K
220
R638
R637
R639
D613
1.2K
R636
510
R635
D615
D616
D617
510
R634
R651
R652
R653
R654
R655
R656
D642
D643
R658
2.2k
2.2k
10k
10k
10k
10k
1SS355-X
1SS355-X
180k
D641
UDZS5.6B-X
0.022
C601
680P
C602
51k
R657
820
R615
1.2K1.8K2.7K
S603
S609S610S611S612S613
R614 R613
S602S604S605S606
820
S608
S615S616S617
3
3.9K 2.7K 1.8K 1.2K
R617
R616
3.9K 1.2K 8201.8K2.7K
S620
S618S619
2
1
2-4
HAB C DE FG
Printed circuit boards
Main board
5
B6
B5
B4
C315
C313
C561
IC501
C505
C526
C529
C303
C511
C510
R510
B1
C305
C514
IC521
C501
Q561
C314
B2
R515
C318
C319
C342
R514
C509
L524
R533
X521
4
3
2
C304
IC301
B3
C312
B7
C301
R301
C503
Q501
C539
C317
C316
C332
R739
CN501
IC561
C522
R782
C322
C513
R568
R594
L521
D901
CP961
C784
C566
R565
R591
C594
C545
R781
C901
R517
L523
C591
C352
C567
R569
R566
Q782
C783
D782
C565
C564
C551
C555
C597
R906
L701 L702
C548
R584
C584
R581
C581
C582
R901
C550
L901
C782
D561
L522
B8
R907
C563
R571
R572
C592
C585
R738
IC571
C907
Q901 Q902
D241
D242
R573
Forward side
C903
C905
Q783
C906
C904
R892
R595
C593
C583
R583
C781
R593
R582
B9
R891
D891
R592
R585
C243
IC701
C167
C244
Q891
C802
C595
C183
R704
CN702
C596
R707
R709
R184
R194
C908
C168
IC901
C913
R751
IC801
C910
R164
B23
C185
C178
R174
IC161
R728
R710
C911
C704
R737
R719
R754
R753
R730
R733
R743
J801
C915
C177
C186
C713
C705
R723
R727
C709
C184
C182
C53
J301
C181
Q52
R53
CN701
R722
D71
R57
Q51
PP1
R736
R735
X701
Q72
Q53
R58
C192
C193
C191
R752
C52
KD-S73R/KD-S71R
R74
C78
Q71
R52
R54
R55
C9
Q74
R76
R5
R729
C43
R4
C84
PP2
C51
Q321
Q73
R75
Q2
B10
D3
Q3
R77
Q341
J1
R9
C94
X71
D321
D341
L1
R343
C6
C76
R744
IC71
R323
R353
R333
C3
C31
R3
C4
C79
C77
TU1
C10
R72
C74
1
AB C
2-5
KD-S73R/KD-S71R
Main board
5
R351
R352
R341
R342
R332
R321
R322
C344
C333
L1
4
C1
Q8
C11
C12
TU1
R1
C7
R35
C32
R32
R31
C81
C82
C55
C74
C92
C91
R11
C10
R59
Q7
C54
B22
R71
C73
3
2
Reverse side
L901
C781
R535
R807
B20
R804
R808
R809
C241
C595
C907
R242
D242
B16
Q522
C548
R596
Q781
D241
R901
D892
Q521
C592
R597
R801
B8
R587
R802
R904
R905
R803
R162
D561
C550
C585
D901
L522
C163
C563
R247
C582
B11
R161
D161
C555
R561
C549
R246
C562
B14
R562
C552
C547
C784
R165
C551
C545
C546
R167
R563
L523
C504
R534
C544
D903
D902
R903
R902
R168
R176
C521
L521
R166
R175
C559
R513
R564
C553
R177
R178
C891
C310
B5
C332
C322
R511
R567
R527
R528
X521
C903
C914
R715
D702
VDD
C174
R171
D171
R720
R721
C178
VSS
C915
C166
C702
C911
R755
R805
C164
C162
C913
R806
C165
C912
R163
C185
MSW
R750
C909
R742
LM
C168
R245
CN702
C244
R810
C910
D904
C183
R740
UNLOCK
R703
C167
R244
C906
R241
C557
B21
D
C556
701
C701
R702
C905
D781
C243
R538
C904
C242
R537
B15
C596
D783
Q241
R243
R716
R536
R586
Q351
D2
D1
C3
C2
C9
C6
C43
Q31
C31
C8
Q1
C72
X71
B13
R73
C71
C94
C75
R91
R92
C77
C93
C714
C712
R33
C5
C84
B17
R741
R42
C41
R41
D4
R45
R2
R81
R82
C83
R734
C711
R331
Q41
B18
Q32
R51
B12
R56
R6
Q4 Q5
R172
R44
Q42
R43
C42
R717
R711
D709
C173
C172
R712
R10
R8
Q6
R7
R173
C709
C707
R718
D708
Q331
R191
C193
C175
C192
C191
D707
C181
R706
R705
D706
C186
VPP
X701
R708
C194
D705
C13
C704
R724
C706
R713
C176
C182
C708
C703
D704
C710
R714
C184
C177
RESET
R726
R725
X1
D703
C554
R523
C342
R512
L524
C524
R519
C512
C509
C533
R521
C311
R522
B1
B2
C305
C540
R524
C902
C308 C309
Q561
C507
C508
C752
R539
B3
C534
R531
C523
C541
C537
C321
C303
R509
R516
C538
C341
R
R532
C306
C304
B4
C351
C331
B7
C302
C301
504
503
505
R
R
R506
C502
C503
C505
R507
R508
Q501
C528
R526
C530
C535
C536
C531
R530
C525
C527
TP1
R529
R525
2-6
1
AB CD
Front board
KD-S73R/KD-S71R
5
D608
R608
S610
Forward side
D609
R609
S611
D610
S614
D611
R612
S615
PL601
D612
R613
R637
R636
R610
D613
D614
S620
R638
D616
R639
S616
D617
S612
R615
R611
S619
R614
S617
S618
D615
R617
R616
S613
D618
D619
D620
S601
S604
D603
R601
S603
S602
D601
D602
R603
R602
R605
D605
S607
R604
S605
IC602
D604
R606
S606
PL602
LCD1
D606
S608
D607
R607
S609
4
3
Reverse side
R657
D641
C601
R651
C602
R652
CJ601
PL601
R654
R655
R656
R653
IC601
R632
R633
PL602
IC602
R634
R635
D644
R661
R641
R640
R645
R662
C612
C611
D645
R631
R644
R643
R642
C603
2
R658
D643
D642
1
AB C
2-7
KD-S73R/KD-S71R
VICTOR COMPANY OF JAPAN, LIMITED
AV & MULTIMEDIA COMPANY 10-1,1Chome,Ohwatari-machi,Maebashi-city,371-8543,Japan
(No.49780SCH)
Printed in Japan
2003/02
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