
SCHEMATIC DIAGRAMS
CD RECEIVER
KD-G409
CD-ROM No.SML200405
Area suffix
UR ---------------------------- Brazil
9
0
4
G
-
D
K
S
Contents
Block diagram
Standard schematic diagrams
Printed circuit boards
2-1
2-2
2-5 to 7
COPYRIGHT 2004 VICTOR COMPANY OF JAPAN, LTD.
No.MA073SCH
2004/5

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
POSITION SET
SWITCH
LOAD&FEED
MOTOR
SPINDLE
MOTOR
SW1, SW2
PICK UP
IC602
REMOCON
PSW
FEED+
FEED-
SPINDLE+
SPINDLE-
SW1, SW2
VF1,VF2
VT1,VT2
LD,MD
TRACKING+
TRACKINGFOCUS+
FOCUS-
REMOCON
CN501
S601 to S617
KEY MATRIX
KEY0
KEY1
KEY2
SW1,SW2,PSW
SPINDLE+
SPINDLEFEED+
FEEDTRACKING+
TRACKINGFOCUS+
FOCUS-
VF1,VF2,
VT1,VT2,
MD,LD
LM0
LM1
IC501
CD
DRIVER
KEY0
KEY1
KEY2
LCDCL
LCDDA
LCDCE
REMOCON
ENC1
ENC2
DMO,FMO
TRO,FOO
RFGC,RF
RFRP,RFDC
TEB,SEL
TE,FE
IC521
RF AMP
IC541
DSP
BCK
LRCK
AOUT
BCK
LRCK
BCK
LRCK
AOUT
BUS0 to BUS3
BUCK,CCE
RST
CDRW
DAC-CDTI
DAC-CCLK
DAC-CSN
DAC-PDN
IC481
MP3/WMA LSI
& INT.SRAM
DAC
IC401
J1
ANT
IC31
PLL
PLLCE
PLLDA
PLLCL
PLLDI
MP3STBY
MP3CLK
MP3DOUT
MP3RESET
MP3REQ
MP3DIN
FM/AM
TUNER
FM/AM OSC
FM VT
AM VT
IC701
CPU
TU1
SD/ST
MONO
SM,FM/AM
SEEK/STOP
SDA
SCL
RESET
AOUTL +
AOUTL AOUTR +
AOUTR -
SI,SO,I/O
INT,SCK
CH.SCK
L-CH
R-CH
VOLDA
VOLCL
IC771
EPROM
IC702
RESET
IC581
CD L.P.F.
IC801
JVC BUS
IC161
E.VOLUME
CD.L
CD.R
OUTLF
OUTLR
OUTRF
OUTRR
CH.L
CH.R
IC901
REGULATOR
EACH BLOCK
J801
CD CHANGER
CONTROL
IC301
POWER
AMP.
FRONT LEFT (+)
FRONT LEFT (-)
FRONT RIGHT (+)
FRONT RIGHT (-)
REAR LEFT (+)
REAR LEFT (-)
REAR RIGHT (+)
REAR RIGHT (-)
CN901
SPK
BATTERY
REAR L
REAR R
J321
LINE OUT
LCD1
COM1
COM2
COM3
S1 to S52
IC601
LCD
DRIVER
LCDCL
LCDDA
LCDCE
ENC1
ENC2
EN601
ENCODER
CN601
CN701
2-1

Standard schematic diagrams
Main amplifier section
R793
J1
(SHEET 2)
To CN601
(SHEET 3)
9V
SW5V
CD.R
CD.L
A-GND
PSW
SW1
SW2
LM0
LM1
BUS0
BUS1
BUS2
BUS3
BUCK
CCE
RST
MP3REQ
MP3RESET
MP3STBY
MP3DIN
MP3DOUT
MP3CLK
DAC-CDTI
DAC-CCLK
DAC-CSN
DAC-PDN
CDON
CDRW
8V
VDD5V
REMOCON
ENC1
ENC2
LCDCE
LCDDA
LCDCL
KEY2
KEY1
KEY0
LEDB
LEDR
DIMOUT
CN701
QNZ0605-001
QNB0100-002
PLLCE
PLLDA
PLLCL
PLLDT
D701
J801
QNZ0095-001
C36
7P
C35
10P
RA30
2.2K
R33
10k
D702
C34
0.047
D703
CH.SCK
R32
6.2k
D704
0
X31
QAX0616-001Z
IC31
TB2118F-X
D705
CH.R
CH.L
A-GND
C8
47/6.3
C33
D706
C802
120P
QAU0311-001
0.01
D707
D708
R804
C37
10P
R802
22K 47k
L1
4.7u
MA111-X
D1 D2
C48
0.047
D709
D710
100k
C40
R805
R803
100
RB160M-30-X
D243
R248
220
82K
0.22/50
C245
D244
UDZS5.1B-X
C244
R161
220k
C177
0.033
C167
R171
220k
R247
D240
MA111-X
MA111-X
D241
C168
0.0056
C194
0.01
L701
4.7u
VDD
C711
220/10
C719
0.01
C712
C785
C730
C731
C732
C741
C729
C728
C721
MEM.IN
TU1
AM.ANT
FM.ANT
47
0.01
C10
0.0027
C45
0.01
C49
0.001
C31
100/10
SML-310VT/JK/-X
SML-310VT/JK/-X
IC801
10K
22/16
0.047
R11
C1
C2
2SB624/4/-X
4.7k
FM/AM
SD/ST
R31
10
D715
SML-310VT/JK/-X
D716
D717
R709
10K
D718
MA8062/M/-X
10k
22/16
C3
FM/AM.VT
R7
Q7
UN2211-X
R13
47K
C801
0.047
Q6
R810
100
C11
R6
47k
IFC-CONT
R768
R808
SI
330
0.01
R9
AM.VCC
FM.VCC
270
3.3k
R809
22k
R801
47k
220/10
C4
D4
MA111-X
R4
SO
R807
100k
0.027
C94
Q10
UN2211-X
I/O
INT
SCK
0.027
0.001
0.001
0.01
C6
C85
C95
C84
R5
47k
Q5
2SB709A/R/-X
D5
MA111-X
R10
10K
SEEK/STOP
SI
SO
MA111-X
220/10
C9
C39
1000P
0
100
R39
R38
C38
0.001
39k
10k
10/16
0.01
0.047
R40
R41
0.047
C42
C43
C41
C44
0.01
C46
0.01
C47
R42
10
R43
R44
470
220
C50
100P
C32
47P
Q31
UN2211-X
0.01
C717
0.1
C716
D711
R806
HD74HC126FP-X
MUTE.DR
TUN.R
C81
TUN.L
C91
Q1 C178
2SD601A/R/-X 0.0056
8.2k
R53
22k
R51
0.01
C51
0
R52
SM
C720
C247
IC701
UPD784217AGC238
CDON
R720
R719
DIM.OUT
C706
0.1
VOLDA
VOLCL
R762
R761
R774
R773
R760
R759
BUCK
R716
CCE
R715
R717
R714
BUS0
R713
BUS1
R712
BUS2
R711
BUS3
R710
CDRW
R708
47K
R778
R777
47K
R704
R705
SCK
C726
0.0039
2.2K
1/50
1/50
12
R1
MONO
0.22
0.01
1.2k
0
VDD
47K
47K
47K
47K
47k
820
820
100
10k
820
820
820
820
3.3k
VPP
47k
47k
R81
R91
2.2K
C5
0.1/50
82K
82K
R92
C92
0.0047
R82
D51
MA111-X
DIM.IN
PLLDI
VSS
R703
R702
47
47
PSW
LM0
LM1
X1
0.1
4.7u
L702
C705
QAX0617-001Z QAX0401-001
S701
QSW0451-001
PLLCL
PLLDA
R755
10M
C704
1k
R763
R758
47k
1k
10k
R721
R722
R718
470
SW2
0.0047
C82
PLLCE
FM/AM
IFC-CONT
SEEK/STOP
10k
R723
R754
820
X701 X702
27P
8P
C702
C703
C722
R701
27P
0.047
47k
C701
TU.L
CH.L
TU.R
10k
R725
R724
CD.L
CD.R
CH.R
MP3REQ
MP3RESET
470
INT
47k
R752
22P
MP3STBY
MP3DOUT
REMOCON
47k
R753
C173
C172
C171
C161
C162
C163
MP3DIN
MONO
10k
R726
1/50
1/50
MP3CLK
R751
C708
0.1
1/50
1/50
1/50
1/50
DAC-PDN
DAC-CDTI
SD/ST
R729
10k
R728
10k
10k
R750
ENC1
RESET
RESET
R756
47k
C181
0.1
0.0082
0.0082
C192C191
47/16
100/16
DAC-CSN
DAC-CCLK
47k
270
270
C771
0.047
R771
R772
R730
OPEN
EPROMCK
10k
R732
EPROMDA
2.2k
R734
2.2k
R735
2.2k
R736
47
R737
4.7k
R738
4.7k
R739
4.7k
R740
R706
150k
R707
150k
R741
10k
R779
47K
10k
R743
10k
R744
10k
R745
R746
10k
4.7k
47K
47K
C709
0.01
C724
QSW1049-001Z
S703R764
D714
IC-PST3433U-X
C710
47/6.3
4.7k
4.7k
0.047
UDZS5.6B-X
IC702
R776
R775
100
D713
MA111-X
R172
22k
C174
C164
R162
22k
IC771
BR24L16F-W-X
C723
QSW0451-001
10K
LCDCE
LCDCL
LCDDA
I/O
SCK
SO
SI
LEDB
LEDR
KEY2
KEY1
KEY0
ENC2
R747
R748
R749
R731
47k
S702
C166
0.22
TD
C175
0.22
C165
0.22
0.047
C707
0.047
LEVEL
2.2k
R173
SM
R163
2.2k
R811
C176
RD
0.22
R757
2.2k
0.033
DIM.IN
DIM.OUT
0.047
MA111-X
1k
D242
R246
0.01
TELMUTE
100P
0.01
0.01
0.01
0.01
0.01
0.01
0.01
C243
100/16
C782
0.1
100/6.3
R245
47
C193
Q781
C781
D781
MA111-X
R244
12k
R242
22k
C242
22/16
Q241
2SD601A/R/-X
C179
C180
R181
C170
C169
UN2111-X
R892
47k
R881
47k
R243
180k
C241
1/50
R241
47k
4.7/25
4.7/25
270
IC161
TEA6320T-X
R182
270
4.7/25
4.7/25
D892
Q891
UN2211-X
Q881
UN2211-X
C881
D782
MA111-X
220/10
C909
MA111-X
C891
0.1
22/16
IC301
LA47515
R891
1k
C908
220/10
D891
220/10
C907
MA111-X
C906
R782
47K
R783
10k
LEVEL
Q782
UN2211-X
MA111-X
0.01
VOLDA
VOLCL
UN2211-X
D902
C905
Q976
47/16
OUTLF
OUTLR
OUTRR
OUTRF
Q977
2SB709A/QR/-X
C904
C919
10/16
10/16
C913
HA13164A
C915
10/16
C910
47/16
47k
R174
47k
R165
12k
R977
R976
27k
100/16
C784
IC901
5.6k
R905
C914
100/16
1k
C903
47/16
C912
0.01
0.1
C911
R904
R906
10k
0.1
47k
R175
47k
R164
D321
MA111-X
D331
MA111-X
Q784
UN2111-X
D784
UDZS11B-X
R903 R902
Q901
UN2111-X
Q902
UN2211-X
4.7k 9.1k
R352
D351
MA111-X
D341
MA111-X
R332
R322
R342
R321
2.2k
R331
2.2k
R341
2.2k
C312
0.47
C311
0.47
R351
2.2k
C301
0.47
C302
0.47
27k
R312
R311
27k
390P
390P
C328
0.01
C327
0.01
C317
0.022
C320
C307
1/50
C313
C314
390P
390P
R301
C303
C304
27k
R302
27k
C316
Q341
2SD1781K/QR/-X
Q331
Q321
2SD1781K/QR/-X
D361
UDZS11B-X
J321
QNN0519-001
4.7/25
Q351
2SD1781K/QR/-X
2SD1781K/QR/-X
100
100
R333
R323
100
R353
100
R343
D971
RB160M-30-X
QNZ0611-001
1N5401-TU-15
L901
QQR1378-002
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
820
820
820
820
R901
1k
C902
2.2/50
0.1
C341
47/16
100P
100P
100P
100P
100P
100P
100P
100P
C901
3300/16
RB160M-30-X
0.1
D972
C971
0.1
0.1
0.1
0.1
R971
C315
C322
C323
C324
C325
R972
2.2k
C961
C962
C963
C964
C965
C966
C967
C968
D991
D992
D993
D994
D995
D996
D997
D998
2.2k
4.7/25
FL-
C318
C319
22/16
FL-
RL-
RR-
FR-
0.022
1/50
C308
RR-
RR+
RL+
FR-
FL+
RL-
FR+
FL+
RL+
RR+
FR+
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
RB160M-30-X
R882
4.7k
C851
10/16
D852
RB160M-30-X
D851
10K
R851
ANT
0.01
C852
SHEET 1
2-2

CD servo section
GND
FEEDVF2
FEED+
VCC
GND
VT2
SW1
VT1
SW2
VF1
PSW
VR
SPINDLELD
SPINDLE+
FOCUSVREF
FOCUS+
MD
TRACKING+
TRACKING-
FEED-
VF2
FEED+
VCC
VT2
SW1
VT1
SW2
VF1
PSW
SPINDLE-
SPINDLE+
FOCUS-
VREF
FOCUS+
TRACKING+
TRACKING-
CN501
R411
R539
VR
150
LD
MD
QGB2027M4-22S
VREF
C521
R415
47K
0
47
R402
C420
12P
C419
12P
C413
0.1
C533
0.01
VF1
VF2
VT2
VT1
VCC
0.01
2.2K
R416
L404
47u
C411
C412
C418
X401
QAX0760-001Z
0.0022
R523
R524
R525
R526
IC461
NJU7772F15-X
Q401
2SB624/4/-X
Q402
UN2211-X
100/10
0.01
0.01
R405
2.2K
R410
R424
220
C414
5.1K
R519
IC501
1.5k
1.5k
100/6.3100/6.3
6.8K
R507
LA6242H-X
12K
R509
R513
C534
5p
C463C462
8.2K
R510
R535
1.5K
100
C524
0.01
C422
100/10
C464
R506
20K
C504
FEED+
C421
0.01
R505
SPINDLE-
SPINDLE+
FEED-
RF
RFGC
C530C531
MD
2SB1241/QR/-T
R461
R462
47u
L401
C408
C513
R518
R517
5.1K
0.01
8.2K
22
R515
C505
C506
0.047
0.047
RF
0.1
Q521
C407
0.01
100
100
100/10
FOCUS+
C525
R527
R528
RFRP
SEL
0.047
TRACKING-
FOCUS-
R530
C507
C502
0.01
C529
TRACKING+
100/10
FE
56k
R529
82k
TEB
100/10
22
22
C528
0.01
R536
RFDC
R537
820
C503
100/10
VREF
R538
33K
0
0.0068
TC94A34FG-002
C404
0.01
C508
0.1
Q501
2SB1322/RS/-T
22
R514
R504
15k
DMO
R502
8.2k
FOO
R503
4.7k
FMO
R501
33k
TRO
CDRW
C527
TE
VDD5V
IC401
R423
10K
C510
47/10
C501
0.01
AOUTR-
AOUTR+
AOUTL+
AOUTL-
Q541
UN2111-X
UN2211-X
2SB1132/QR/-W
R516
330
47u
Q542
CDON
4.7/25
C580
4.7/25
C589
4.7/25
C599
4.7/25
C590
Q502
C512
47/16
L541
47u
RA550
10K
L543
R452R456
R458 R454
C440 C430
0.01
Q440
R581
8.2k
R582
8.2k
R592
8.2k
R591
8.2k
C570
47/6.3
BUCK
BUS0
CCE
BUS1
BUS2
RST
BUS3
C541
100/10
CDON
R451
22k
47k
R453
2.2k
4.7k
R455
2.2k
4.7k
R457
2.2k
4.7k
R440 R430
4.7K 4.7K
UN2211-X
C581
3300P
C591
3300P
C568
0.1
MP3CLK
MP3STBY
0.01
0.01
C571
R558
10k
C542
0.01
MP3DOUT
MP3RESET
Q430
2SD601A/QR/-X
R584
R583
R593
R594
MP3REQ
100/10
C566
C543
1/50
MP3DIN
180
8.2k
8.2k
180
0.01
C565
10K
R432
6.8K
C431
100P
R431
C598
0.01
R553
C583
270P
1M
C593
270P
C482
0.1
R586
6.8k
R585
180
C582
270P
IC581
NJM4565M-WE
47/6.3
R548
R547
R546
C559
C558
C557
C556
R595
R596
R559
1.5M
R541
5.6k
DAC-CDTI
180
6.8k
0.047
0.047
470P
470P
47
47
47
IC541
TC94A14FA
C552
C550
C549
C548
C547
0.015
DAC-CCLK
100/10
0.033
R545
10k
R544
10K
R543
470k
DAC-CSN
C592
270P
C596
0.047
0.047
C554
C555
C551
0.01
0.0027
0.01
R542
DAC-PDN
C553
0.033
47k 0.047
C546
C597
0.01
SEL
TEB
RFGC
TE
RFDC
FE
RFRP
C572
100/10
RF
47P
1k
1k
R598
R588
1k
0.1
47/6.3
C584
C585
FMO
DMO
0.01
C562
100
100
R551
R552
47u
L544
C481
47/16
C545
0.01
AOUTL+
R587
C561
AOUTL-
C483
0.1
1k
100/10
AOUTR+
AOUTR-
C560
100/10
R597
0.01
C544
0.1
C594
C595
FOO
TRO
100
R550
Q543
UN2111-X
IC481
AK4385VT-X
R549
100
CD.R
CD.L
9V
SW5V
CD.R
CD.L
PSW
SW1
SW2
LM0
LM1
BUS0
BUS1
BUS2
BUS3
(SHEET 1)
BUCK
CCE
RST
8V
MP3REQ
MP3RESET
MP3STBY
MP3DIN
MP3DOUT
MP3CLK
DAC-CDTI
DAC-CCLK
DAC-CSN
DAC-PDN
CDON
CDRW
8.2K
0.047
0.01
C514
0.1
LD
0.1
C515
0.01
LM1
R508
3K
R511
R512
LM0
C532
R533
1k
68P
IC521
82k
82k
330k
330k
TA2157FN-X
C523
100/10
C461
0.1
L402
47u
R532 R531
2k 10k
R534
15k
C522
0.01
1M
R401
4.7K
4.7K
R433
100
R404
10k
C423
C415
C416
0.01
100/10
10k
C405
1/50
0.01
C403
0.01
R406
47
R413
R414
4.7K
R412
R407
R409
R408
2.2K
2.2K
2.2K
SHEET 2
2-3

LCD & Key control section
R606
R605
2.7K
3.9K
R612
R611 R610 R609
3.9K
2.7K 1.8K 1.2K
S614 S613 S612 S611 S610 S609 S608
R602R603R604
R601
820
8201.2K1.8K
S604S605S606S607
S603
S602
S601
R607R608
820
820
R614
R613
820
820
S615S616S617
LCD1
QLD0297-001
KEY2
KEY1
KEY0
COM1
COM2
R645
COM3
S2S1S3S4S5S6S7S8S9
820
R644
R649
R648
D602D601
IC602
RPM7338-V4
0.012
10K
R691
D643
C611
MA8062/M/-X
S47
S48
S51
S50
S49
390
R660
R659
D644
NSPW310BS/BRS/
S52
390
D645
NSPW310BS/BRS/
820
R631
D631
SML-310LT/MN/-X
R672
470
R671
470
Q640
2SB624/4/-X
Q641
UN2211-X
R674
S47
S48
S50
R657
51k
S51
S52
COM1
COM2
COM3
VDD
INH
OSC
CE
CLK
DATA
2.2k
R652
R651
2.2k
R653
10k
R673
47k
R658
MA111-X
C603
10/6.3
180k
D642
D641
UDZS5.1B-X
C601
0.022
1k
LCDCE
LCDCL
LCDDA
R654
R655
R656
10k
10k
C602
680p
10k
S10
S11
S12
S13
S14
S15
S16
S17
S18
S19
S20
S21
S23
S24
S25
S26
S27
S28
S29
S30
S31
S32
S33
S34
S35
S36
S37
S38
S39
S40
S41
S42
S43
S44
S45
S46
S22
470
270
820
R647
R646
D603
D604
D605
R643
R642
D606
D607
R641
R640
D608
D609
D610
270
270
R639
R638
D612
D613
R637
R636
D614D611
D615
270
471
R634
R635
D616
D617
D618
R633
R632
D620
D621
D619
270
390
R661
D646
NSPW310BS/BRS/
470
R692
C612
4.7/6.3
S41
S42
S43
S44
S45
S46
IC601
LC75823W
S3S4S5S6S7S8S9
S40
S38
S39
S10S2S11S1S12
C682
S35
S36
S37
S13
S14
EN601
QSW0793-001
R682
47K
R683
47K
R681
C681
100
0.022
0.022
CN601
NNZ0087-001
REMOCON
ACC5V
10V
ENC1
ENC2
LCDCE
LCDDA
To CN701
LCDCL
(SHEET 1)
KEY2
KEY1
KEY0
R670
0
S33
S34
S32S49
S31
S30
S29
S28
S27
S26
S25
S24
S23
S22
S21
S20
S19
S18
S17
S15
S16
DIM_CON
DIMOUT
GND
2-4
DIM_CON
SHEET 3

VICTOR COMPANY OF JAPAN, LIMITED
AV & MULTIMEDIA COMPANY MOBILE ENTERTAINMENT CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan
(No.MA073SCH)
Printed in Japan
WPC