SCHEMATIC DIAGRAMS
CD RECEIVER
KD-S73R,KD-S71R
CD-ROM No.SML200503
Area suffix
E ------------- Southern Europe
EX ------------ Northern Europe
Contents
Block diagram (For E/EX version)
Standard schematic diagrams (For E/EX version)
Printed circuit boards (For E/EX version)
Block diagram (For E2/EX2 version)
Standard schematic diagrams (For E2/EX2 version)
Printed circuit boards (For E2/EX2 version)
COPYRIGHT 2005 Victor Company of Japan, Limited.
2-1
2-2
2-5
2-6
2-7
2-10
No.49780BSCH
2005/3
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 (For E/EX version)
ANT
FEED+
LOAD&FEED
MOTOR
SPINDLE
MOTOR
POSITION SET
SWITCH
SW1, SW2
VF1,VF2
VT1,VT2
PICK UP
LD,MD
FOCUS COIL
&
TRACKING COIL
FEED-
SPINDLE+
SPINDLE-
PSW
SW1,SW2
FOCUS+
FOCUSTRACKING+
TRACKING-
Main amplifier / CD servo control section
J1
SW1,SW2
LM,MSW
FEED+
FEEDSPINDLE+
SPINDLEFOCUS+
CN501
FOCUSTRACKING+
TRACKING-
VF1,VF2
VT1,VT2
MD,LD
IC561
CD
DRIVER
IC501
RF AMP
DMO,FMO
TRO,FOO
RFGC
RFDC
RFRP
SEL,TEB
TE,FE,RF
IC521
DSP & DAC
SW1,SW2
LM,MSW
BUS0 to BUS3
BUCK,CCE
RST,CDON
LO
RO
TU1
FM/AM
TUNER
MUX
IC71
RDS
DETECTER
RDSSCK
RDSDA
IC701
CONTROLLER
MONO
FMEO
AMEO
SK/STP
SD/ST
AFCK,SM
FM/AM
OSC,IFC
SK/ST1
IC571
L.P.F.
L-CH
R-CH
E.VOLUME
SDA
SCL
IC161
CD.L
CD.R
OUTFL
OUTFR
OUTRL
OUTRR
OUTRL
OUTRR
IC301
POWER
AMP.
IC901
REGULATOR
EACH BLOCK
FL+,FLFR+,FRRL+,RLRR+,RR-
ACC
REMOTE
J301 CN702
LINE OUT
CP961
SPK
BATTERY
CD-RW
LCD & Key control section
LCDCL
IC601
LCD
DRIVER
LCD1
LCDDA
LCDCE
COM1
COM2
COM3
S1 to S48
S601 to S620
KEY MATRIX
KEY0
KEY1
KEY2
CJ601
CN701
STEERING
STEERING
REMOTE
2-1
Standard schematic diagrams
Main amplifier section
TU1
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
D2
C2
C3
150P
C11
0.047
1SS355-X
0.47/50
1k
UDZS6.2B-X
D701
R44
ILL10V
33
SW5V
C711
0.1
C714
0.33
UDZS6.2B-X
Q4
2SB709A/R/-X
1SS355-X
R52
15k
Q52
2SD601A/R/-X
R53
10k
R2
10k
D4
R9
C712
C701
100P
0.1
R35
R32
10k
Q32
2SD601A/R/-X
R42
1k
R45
1k
C43
Q41
Q42
100/16
2SC3661-X
SQ
R51
470
C51
UDZS6.2B-X
UDZS6.2B-X
D706
D709
D707
D708
R1
100
1000P
C7
10p
R8
47k
4.7k
R56
47k
2SD601A/R/-X
R57
R744
10K
C713
0.01
VDD
1000P
C81
C91
Q1
UN2211-X
8.2( 1/8W)
R11
1000P
C9
220/10
47k
VSS
R750
10k
C8
R10
9V
IFC
OSC
SK/ST1
C54
0.01
C55
330p
22k
R59
SM
SK/STP
R742
47k
R743
47k
UNLOCK
2.2K
R751
22K
R709
R710
100p
220/10
C5
C4
C6
10/16
R6
47k
Q5
2SB624/4/-X
D3
1SS355-X
R7
Q6
UN2211-X
3.3k
FM/AM
R54
10k
Q51
C53
0.1
R55
2.2k
C52
4700p
RDSSCK
MONO
SK/ST1
FM/AM
AFCK
0.1
RDSDA
9V
CD-R
A GND
CD-L
PSW
SW1
SW2
LM
MSW
CDON
CD-RW
BUS0
BUS1
BUS2
(SHEET 2)
BUS3
BUCK
CCE
RST
SW5V
CD8V
GND
TO CJ601
(SHEET 3)
QAM0461-001
CN701
VMC0334-001
J1
QNB0100-002
R33
1.5k
DETACH
ILL10V
ACC5V
REMOCON
ENC1
ENC2
LCDCL
LCDDA
LCDCE
KEY0
KEY1
KEY2
CN702
QGA2006F1-02
2SD601A/R/-X
2SD601A/R/-X
AMEO
2.2/50
R43
1k
FMEO
(For E/EX version)
10k
2SD601A/R/-X
SW5V
BUS2
BUS1
Q2
1SS355-X
D71
AFCK
BUS0
R91
R81
R3
0
47/6.3
0.01
C72
47P
C71
82P
Q7
UN2211-X
MSW
CCE
BUCK
0
R739
UPD178078GF-593
R705
SDA
SCL
C74
C73
X71
LM
2.2k
LCDDA
Q74
C78
0.1
UN2111-X
R77
R738
Q71
0
IC701
LCDCL
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
0
R74
2.2k
LM
R708
2.2k
SW2
C94
1/50
C84
1/50
C10
1/50
C82
0.012
C92
0.012
R4
4.7k
Q3
UN2111-X
SD/ST
MONO
SK/STP
R58
47k
Q53
UN2211-X
PS2
RST
BUS3
ACC5V
DETACH
R740
100K
10K
R741
4.7k
4.7k
4.7k
R702
R703
R704
47k
47K
INT
SISOSCK
2SD601A/R/-X
1500P
18K
C83
R82
Q72
UN2111-X
IC71
SAA6579T-X
LEVEL
0.015
C241
CDON
PSW
Q73
R737
ENC1
R75
4.7k4.7k
10k
R711
D241
1SS133
220K
R241
47k
10k
10k
R713
R712
KEY0
ENC2
18K
C93
1500P
R92
C75
560P
C77
2.2/50
2.2k
R73
RDSDA
C242 R244
0.047
1SS133
D242
R242
CTRL
MUTE
TEL-MUTE
1k
1.2k
R735
R736
10k
10k
10k
R716
R714
R715
KEY1
KEY2
LEVEL
C79
0.01
C76
0.022
Q241
2SD601A/R/-X
1k
10k
R717
SM
REMOCON
R734
10k
R718
SQ
J301
QNN0519-001
R332
100( 1/10W)
C13
C186
1/50
C185
1/50
C184
1/50
C183
1/50
C181
CD.L
CH.L
CD.R
9V
12k
R245
180k
C244
1/50
100
R243
22k
R246
C243
22/16
SW1
R730
100k
R754
47k
4.7k
R729
RESET
R719
4.7k
4.7k
R720
R721
4.7k
220P
C182
1/50
1/50
C191
220k
220k
R161
R171
47/16
D161
D171
1SS355-X
1SS355-X
CH.R
47k
R247
POWER
R753
47k47k
R733
47k
VPP
R728
47k
R727
10K
R726
47k
R725
47k
R752
R724
0
R723
47k
R722
47k
10K
X701
QAX0406-002Z
C705
R755
47K
X1
33P
C708
22p
C707
0.1
R163
2.2k
R162
22k
C163
0.18
C166
C162
C172
C192
100/10
C706
0.1
C702
0.01
5600P
8200P
C165
0.033
0.22
C164
0.22
C174
C175
0.033
8200P
R172
C176
5600P
C173
0.18
22k
R173
2.2k
R5
C704
100/10
C703
0.01
R174
SCL
R184
4.7K
TEL-MUTE
FMEO
AMEO
C709
OSC
C710
IFC
SD/ST
SW5V
47k
ACC5V
9V
CTRL
CD8V
ILL10V
PS2
270
L701
4.7u
UN2211-X
R164
SDA
Q902
100/10
0.01
IC161
TEA6320T-X
270
R194
4.7K
R891
47k
1SS355-X
Q891
UN2211-X
C167
4.7/50
C177
4.7/50
100/16
C193
D891
L702
4.7u
2SA1037AK/RS/-X
C194
0.01
UN2111-X
C891
0.1
Q901
R907
20k
R331
820( 1/10W)
C168
4.7/50
C178
4.7/50
R191
10( 1/8W)
MUTE
Q781
D781
1SS355-X
R892
1k
D892
1SS355-X
R906
8.2K( 1/10W)
C904
220/10
Q321
2SD1781K/QR/-X
9V
C781
220/10
C782
22/16
C905
220/10
R323
2.2k 2.2k
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
R352
100( 1/10W)
C907
2.2/50
Q341
R343
2SD1781K/QR/-X
R351
1SS355-X
820( 1/10W)
R167
27k
R177
27k
IC901
HA13164A
R904
9.1k
R905
4.7k
R342
100( 1/10W)
Q351
R353
R341
2.2k2.2k
820( 1/10W)
2SD1781K/QR/-X
D341
D321
1SS355-X
C332
0.33
C352
390P
390P
C342
0.33
27k
R781
D782
1SS355-X
UN2211-X
C783
0.22
SI
C802
0.047
C903
47/16
0.1
0.1
C909
C908
0.33
R168
27k
C331
C351
390P
C341
C321
390P
R178
C322
27k
0.33
1K
R782
C784
Q782
R801
100/16
C910
4.7/25
SO
R802
100k
100k
R810
100
R803
100k
0.01
220/10
22/16
C915
47/16
C914
C912
C913
C911
0.01
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)
R804
10k
R805
100
L901
C302
0.022
R807
100k
QMFZ047-150-T
C309
C312
J801
QNZ0095-001
0.1
FL-
C313
C314
C315
100P
100P
100P
100P
100P
C319
100P
C318
C317
100P
100P
C316
CH.L
A-GND
CH.R
CP961
QNZ0112-001
QAM0158-001
0.1
C308
C303
47/16
I/O
R808
100k
R806
22k
R809
100k
D902
RB160M-30-X
2.2K( 1/8W)
2.2K( 1/8W)
RR-
FR-
22/16
C305
C304
C306
100/16
0.022
SCK
INT
D901
1N5401-F64
C901
2200/16
C902
0.1
D903
RB160M-30-X
R902
R903
RL+
FL-
FR+
FL+
RL-
RR+
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
RL-
RL+
FL+
FR+
FR-
RR+
RR-
SHEET 1
2-2