! 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.
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< M E M O >
7/24/2019 KD-S5050 (sch)
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Block diagram
POSITION SET
SWITCH
LOAD&FEED
MOTOR
SPINDLE
MOTOR
SW1, SW2
PICK UP
PSW
SW1, SW2
CN50
1
IC541
BTL
DRIVERIC561
DSP & DAC
IC501
RF AMP
IC1
CD L
VF1,VF2,
VT1,VT2,
MD,LD
TRD,FOD
TRV,TVD
ECM,ECS
KICK
CD.RESET,STATUS
SUBQ,SQCK,TLOCK
FLOCK,CD.SENSE
MLD,MDATA,MCLK
BLKCK
LDON,ARF
BDO,OFTR
RFDET,RFENV
VDET,TRCRS
FBAL,TBAL
TE,FE
OUTLOUTR
CJ601
S601 to S620
KEY MATRIX
KEY0
KEY1
KEY2
IC601
LCDDRIVER
LCD1
CN801
COM1
COM2
COM3
S1 to S48
LCDCL
LCDSO
LCDCE
SW1,SW2,PSW
LM
FEED+
FEED-
SPINDLE+SPINDLE-
VF1,VF2
VT1,VT2
LD,MD
TRACKING+
TRACKING-
FOCUS+
FOCUS-
SPINDLE+
SPINDLE-
FEED+
FEED-
TRACKING+
TRACKING-
FOCUS+
FOCUS-
KEY0
KEY1
KEY2
LCDCE
LCDSO
LCDCL
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IC151
CD L.P.F.
SCKEK
TU701
FM/AM
TUNER
IC701
CPU
IC301
E.VOLUME
IC321
POWER
AMP.
IC901
REGULATOR
SPK
BATTERY
EACH BLOCK
L-CH
R-CH
OUTLFOUTLROUTRFOUTRR
REAR LREAR R
CD.LCD.R
CJ321
LINE OUT
FRONT LEFT (+)FRONT LEFT (-)FRONT RIGHT(+)FRONT RIGHT (-)REAR
LEFT (+)REAR LEFT (-)REAR RIGHT(+)REAR RIGHT (-)
SDASCL
CJ701
ANT
CN901
SD/STMONOSM,IFCFM/AMEOFMOSC
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Standard schematic diagramsMain amplifier section
R828
R815
R816
Q731
X801
C803
C804
CJ701
R832
R834
R831
D801
C807
R827
R811
R704
R823
R702
R826
R825
R807
R814
Q793
IC801
R812
R840
R841
Q792
R842
D803
Q702
R845
L701
C731
CN801
Q732
R201
R101
TU701
D805
D804
D802
R808
Q791
R703
Q701
R791
C732
R736 R733
R735
R701
R829
R809
D869
R862
D824
R822
C201
R833
R835
R796
D792
C718
C712
R798
R803
R817
L801
R80
1
R830
C713
R818
C716
C715
R799
R793
R725
C725
C101
R794
C717
R795
R843
R797
R844
C714
C701
C703
C720
C702
C709
C710
R80
4
C733
R202
R102
D810
D867
D701
D702
D791
D823
D825
D822
D826
D827
D828
D731
C821
C822
D821
R705
C823
C911
R80
5
R792
R734 R
708
C
711
R861
R836
R813
47k
47k
47k
2SD601A/QR/-X
QAX0406-001Z
22p
33p
QNB0100-002
22k
22k
4.7k
1SS133-T2
10/16
47k
3.3k
0
47k
0
47k
47k
47k
47k
UN2211-X
JES01-9B42
3.3k
47k
47k
2SB709A/QR/-X
47k
1SS133-T2
DTC144EKA-X
0
4.7u
2.2/50
VMC0334-001
2SD601A/QR/-X
2.7K
2.7K
QAU0311-001
1SS133-T2
1SS133-T2
1SS133-T2
1k
2SB1197K/QR/-X
1k
UN2211-X
10k
0.001
1k 10k
1.5k
1k
47k
10k
MA111
-X
470
MA8062/M/-X
2.2
k
1/50
4.7
k
4.7
k
15
MA111-X
0.0
22
0.1
/50
22k
3.3
k
4.7
k
10K
22k
100p
47k
15p
150p
47k
10k
82
0.0
11/50
2.2
k
220p
15
0
10
0
120p
47/10
0.1
/50
220/10
0.1
/50
0.0
33
0.0
33
3.3
k
220/10
5.1
K
5.1
K
MA111
-X
1SS133
-T2
1SS133
-T2
MA111
-X
MA8062/M/-X
MA8062/M/-X
MA8062/M/-X
MA8062/M/-X
MA8062/M/-X
MA8062/M/-X
MTZJ10
B-T
2
0.1
0.1
MA8062/M/-X
10k
0.1
3.3
k
1k
470
8.2
k
0.0
1
47k
47k
IFC
SDA
SW5V
SCL
MSW
ILL_10V
V
CD.RESET
PSW
LCD.CE
DETACH
DETACH
CD.RCH
LM
EO
FM.OSC
CD.LCH
9V
CD8V
STATUS
MCLK
MDATA
MCLK
MLD
CD.SENSE
LM
SQCK
SUBQ
SW1
CD.RESET
SW2
TLOCK
FLOCK
BLKCK
R5V
MDATA
MLD
REMOCON
LCD.SCK
LCD.SO
KEY0
KEY1
KEY2
AGC
SW2
MONO
PSW
SQCK
LCD
.CE
LCD
.SCK
CD
.SENSE
STATUS
MSW
EO
S.M
ETER
IFC
SUBQ
SW1
LCD
.SO
TU
.RCH
SD/ST
KEY2
SD/ST
TU
.LCH
REMOCON
KEY1
MICON
.MUTE
S.M
ETER
BLKCK
MONO
TLOCK
PS2
FLOCK
FM/AM
AGC
MICON
.MUTE
KEY0
FM
.OSC
FM/AM
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Parts are safety assurance partsWhen replacing those parts
maksure to use the specified one.
C824
C434
D902
C802
D332
CN901
IC901
R907
C901
Q321
CJ321
Q902
C916
C329
C331
C330
C335
R323
D901
C435
C405
C305
C404
C304
C328
C321
R401
R301
R307
R308
R408
R407
C427
Q332
R333
C334
C801
Q432
R321
D333
R322
C902
R336
R433
Q861
Q903
D903
R436
R434
IC321
D321
C332
C333
C433
C432
R902
C327
IC301
R334
D869
R862
D90
4
C862
C909
R906
R910
R911
R909
R904
R905
R901
R903
C319
L801
C906C
910
C904
C908
C914
C915
C903
C403
C406
C306
C303
C402
C302
C307
C311
C407
C308
C312
R402
R302
C310
R304
R303
R404
R403
C408
C309
D868
C320
D905
L901
C905
D861
D866
C861D
867
R908
C420
C419
C907
C911
R861
220p
1/50
SB10-03A3-T2
0.01
MA111-X
10/16
HA13164A
39k
2200/16
UN2211-X
QNN0519-001
2SD601A/QR/-X
2.2/50
4.7/25
0.022
0.022
1/50
1k
1N5401-TU-15
1/50
0.033
0.033
0.22
0.22
47/16
100/16
22k
22k
27k
27k
27k
27k
22/16
2SD1781K/QR/-X
1k
1/50
QNZ0611-001
220/6.3
2SD1781K/QR/-X
47k
MA111-X
470
0.01
2.2k
1k
UN2111-X
2SB709A/QR/-X
1SS133-T2
2.2k
100
LA4743K
1SS133-T2
0.1
QMFZ047-150-T
0.1
0.1
0.1
1k
10/25
TEA6320T-X
100
MA111-X
470
RB160M
-30-X
0.082
100/10
4.7k
47k
47k
27k
100K
4.7k
9.1k
4.7k
220p
4.7u
0.1
0.01
22/16
100/10
0.1
2.2
22/16
0.22
0.0056
0.0056
0.22
0.0082
0.0082
4.7/25
100/10
4.7/25
4.7/25
47/16
2.2k
2.2k
0.01
47k
47k
47k
47k
4.7/25
100/10
MA111-X
220p
RB160M-30-X
QQR1378-001
22/16
MTZJ4.7B-T2
MA111-X
220/6.3
MA111-X
68k
220p
220p
0.01
220/10
470
RF+
IFC
TU.RCH
RR+
VDD
LR+
TU.LCH
LF+
RF-
RR-
LR-
LF-
EO
MUTE
.OSC
LRO
RRO
SDA
SCL
LF+
MUTE
CD.RCH
CD.LCH
LRO
LR+
LF-
LR-
RF-
RR+
RRO
RR-
KEY0
RF+
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CD servo section
IC501
IC541
RF
C540
C503
C527
R550
C526
R525 C506
R504
Q541
R517
R516
R557
R596
R512
R513
C541
Q501
C520
C519
C523
C522
C521
R508
R506FE TE
CN501
R509
C543
C524
C525
R549
R503
C530
R519
R552
R553
R554
R551
C504
R50
7
R524
C555
R502
C508
R501
C505
C
507
C509
C510
C511
C512
C51
8
R511
R510
R50
5
C556
C557
C558
C528
C529
R51
8
C502
C501
R541
R
542
R
544
R546
R545 R
543
C542
AN8806SB-W
LA6589H-X
TP
68p
68p
0.022
11K
3p
910 150p
2k
2SA2093/QR/-T
12k
12k
150
8.2k
56k
56k
22/16
2SA2093/QR/-T
47p
0.047
0.022
0.022
560p
39k
22k
BTBT
TP TP
GNDGND
QGB2027M4-22S
15k
0.033
0.001
0.001
1k
68p
1M
18k
0
51k
2k
100/10
8.2k
2k
0.0
47
22 1
/50
22
0.0
1
0
.1
100p
0.0
27
0.0
047
0.0
1
0.22
270k
150k
220k
0.0
47
0.0
47
0.0
47
0.0
018
0.0
012
BT
BT
GND
GND
IC2
8.2k
100/10
0.0
1
6.8
k
560
5.1
k
12k
3.3
k47k
0.0
033
FEED-
FEED+
FEED-
PSW
SPINDLE+
MD
VF2
VF1
VT2
GND
VT1
LD
SPINDLE-
FEED+
VF1
SW2
SW1
FOCUS-
FOCUS+
VF2
GND
VCC
SW1
VT2
SW2
VT1
PSW
VF1
SPINDLE-
VF2
VR
SPINDLE+
LD
VREF
FOCUS-
MD
FOCUS+
TRACKING-
TRACKING+
FEED-
FEED+
SPINDLE+
SW1
SPINDLE-
VCC
VR
SW2
LD
PSW
TRACKING+
MD
VCC
TRACKING-
TRACKING+
FOCUS+TRACKING-
FOCUS-
LD
VT2
VT1
VCC
GND
MD
VR
VF1
VREF
VT1
GND
VT2
VF2
LM
VDET
TRV
LDON
ARF
BDO
TBAL
TRCRS
TVD
FOD
TE
FE
FBAL
ECS
ECM
MSW
TRACKING+
TRACKING
-
FOCUS
-
FOCUS+
OFTR
SPINDLE+
SPINDLE
-
FEED
-
FEED+
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C252
R152
R560
C253
L501
R151
C255
X561
R251
R153
ARF
C552
IC151
R155
L562
IC561
C513
VREF
C541
C563
C551
R573
C573
D551
C570
R255
C155
C574
R253
R252
R154 R156
R256R254
C153
C152
R569
R580
R581
R519
R577
L
561
R570
C251
R576
C151
C579
C576
C516
C512
C514
C564
C565
C568
C566
R579
C571
R575
R571
R574
C256
C572
C567
C577
C561
R568
R567
R564
R563
R562
R561
C562
C515
R547
R548
4.7/25
12k
100
150p
4.7U
18k
47/6.3
QAX0714-001Z
18k
27k
TP
0.01
NJM4565M-WE
1.5k
4.7U
MN6627482WA
330p
TP
2/16
0.001
220/10
33k
220/10
1A3G-T1
0.022
1.5k
47/6.3
0.01
27k
12k
22k 22k
22k22k
150pBT
GND
GND
4.7/25
1k
220k
0
1M
100k
4
.7U
1k
0.001
0
0.001
0.001
0.0015
100/10
0.01
0.1
0.27
0.1 0
.01
0.47
1k
0.01
220
33k
220
100/10
100/10
100/10
0.1
0.01
IC2
GND
1k
1k
1k
1k
1k
1k
0.01
0.01
220k
5.6k
CD8V
ARF
9V
GND
RFENV
PSW
TLOCK
SW1
OFTR
FOD
TRD
KICK
ECS
ECM
TVD
TRV
FBAL
TBAL
FETE
RFENV
VDET
TRCRS
RFDET
BDO
LDON
SQCK
SW2
MSW
MCLK
LM
CD.RESET
STATUS
SUBQ
MDATA
FLOCK
CD.SENSE
MLD
BLKCK
CD.LCH
CD.RCH
CD.SENSE
VDET
CD.RESET
TRD
TRCRS
KICK
STATUS
SUBQ
SQCK
TLOCK
MLD
MDATA
MCLK
BLKCK
OFTR
RFDET
FLOCK
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LCD & Key control section
R658
R653
C603
D642
D643
S601
S620
R652
R654
R655
R656
R617
S603
S608
S614
S602S604S605S606
S609S610S611S612S613
S615S616S617S618S619
R614 R613R615R616
R606R607R611 R610 R609 R608
R601R602R603R604R605
R651
S607
R612
LCD1
D608
D603
D604
D605
D617
R732
R731
D616
D620
R632
R634
D615
D601
D614
D613
D612
D602
D611
D610
D609
R643
R642
D607
D619
D618
R641
R635
R633
R636
R638
R640
R637
R639
D606
R644
R645
R631
D731
D732
D645
180k
10k
10/6.3
MA111-
MA111-
2.2k
10k
10k
10k
1.5k 680 5609101.2k
6805601.5k 1.2k 910 680
6805606809101.2k
2.2k
680
QLD0210-002
3
LOUD
SEL
DISP
AM
680
680
CD
POWER
2.2
k
1k
FMV
OL+
EJECT
SCM
MODE
VOL
-
6
5
4
680
680
2
DOWN
UP
390
1k
2.2
k
1.2
K
390
390
1.2
K
390
1
1k1
k820
MA8062/M/-X
LCD.CE
KEY1
KEY0
LCD.CLK
LCD.SO
KEY2
COM2
COM3
COM1
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
S12
S13
S14
S15
S16
S17
S18
S19
S20
S21
S22
S23
S24
S25
S26
S27
S28
S29
S30
S31
S32
S33
S34
S35
S36
S37
S38
S39
S40
S41
S42
S43
S44
S45
S46
S47
S48
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658
653
642
IC602
R661
R662C612C611
IC601
CJ601
643
R652
R657
C601
C602
654
655
656
R651
D641
D644
180k
10k
MA111-X
RPM6938-SV4
10k
4704.7/6.30.012
PT6523LQ
VMC0355-001
MA111-X
2.2k
51k
0.022
680P
10k
10k
10k
2.2k
UDZS5.1B-X
MA8062/M/-X
S32
R5V
COM3
S17
S31
REMOCON
S30
S29
S28
ILL-10V
GND
S27
S26
S25
S24
S23
S22
S21
S20
S19
S18
LCD.CLK
LCD.SO
LCD.CE
KEY0
KEY1
KEY2
COM1
COM2
S1
S2
S3
S4
S33
S5
S6
S7
S8
S9
S10
S11
S12
S13
S14
S15
S16
S34
S35
S36
S37
S38
S39
S40
S41
S42
S43
S44
S45
S46
S47
S48
R658
R653
D642
IC602
R661
R662C612C611
IC601
CJ601
D643
R652
R657
C601
C602
R654
R655
R656
R651
D641
D644
180k
10k
MA111-X
RPM6938-SV4
10k
4704.7/6.30.012
PT6523LQ
VMC0355-001
MA111-X
2.2k
51k
0.022
680P
10k
10k
10k
2.2k
UDZS5.1B-X
MA8062/M/-X
S32
R5V
COM3
S17
S31
REMOCON
S30
S29
S28
ILL-10V
GND
S27
S26
S25
S24
S23
S22
S21
S20
S19
S18
LCD.CLK
LCD.SO
LCD.CE
KEY0
KEY1
KEY2
COM1
COM2
S1
S2
S3
S4
S33
S5S6
S7
S8
S9
S10
S11
S12
S13
S14
S15
S16
S34
S35
S36
S37
S38
S39
S40
S41
S42
S43
S44
S45
S46
S47
S48
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12/14
7/24/2019 KD-S5050 (sch)
13/14
Front board
Forward side
Reverse side
D601
D602
D603
D604
D605
D606D607 D608 D609
D610 D611D612
D613
D614
D615
D616
D617
D618
D619
D620
IC602
R601
R602
R603
R604
R605
R606
R607 R608 R609
R610R611
R612
R613
R614
R615
R616
R617
R636
R637
R638
R639
S601
S606 S608 S609 S610 S611
S602
S603
S604
S607
S605
S612
S613
S614 S615
S616
S617
S618
S619
S620
LCD1
D731
D732
C601
C602
C603
C611
CJ601
D641
D642
D643
D644
IC601
IC602
R631
R632
R633
R634
R635
R640
R641
R642
R643
R644
R645
R651
R652
R653
R654R655
R656
R657
R658
R661
R662
D731
D732
R731
R732
C612
D645
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VICTOR COMPANY OF JAPAN, LIMITED
AV & MULTIMEDIA COMPANY MOBILE ENTERTAINMENT CATEGORY
10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan
![KD-3AS 型] KD-3S 型] KD-3S](https://img.pdfslide.tips/doc/110x75/629d5929e245e3147b536a41/kd-3as-kd-3s-kd-3s.jpg)
