Page 1
SCHEMATIC DIAGRAMS
CD RECEIVER
KD-G120,KD-G120R,KD-G123
KD-G124,KD-G125,KD-G126
KD-G161,KD-G162
CD-ROM No.SML200512
KD-G120RKD-G120
KD-G123 KD-G124
KD-G125 KD-G126
KD-G126
KD-G161 KD-G162
KD-G161
KD-G125
KD-G162
KD-G120,KD-G120R
Area suffix
J ------------- Northern America
KD-G123,KG-G124
Area suffix
UI ---------------------------- India
KD-G125,KD-G126
Area suffix
UT ------------------------- Taiwan
UH ---------------------- Thailand
UN --------------------- Indonesia
U -------------------- Other Areas
KD-G161,KD-G162
Area suffix
E ------------- Southern Europe
EX ------------ Northern Europe
EY ------------- Eastern Europe
EU ------------------------- Turkey
Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
Contents
Block diagram (For KD-G120,KD-G120R,KD-G123,KD-G124,KD-G125 and KD-G126)
Standard schematic diagrams (For KD-G120,KD-G120R,KD-G123,KD-G124,KD-G125 and KD-G126)
Block diagram (For KD-G161 and KD-G162)
Standard schematic diagrams (For KD-G161 and KD-G162)
Printed circuit boards
COPYRIGHT 2005 Victor Company of Japan, Limited.
2-1
2-2
2-5
2-6
2-9 to 11
No.MA233SCH
2005/12
Page 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.
Difference point
Remote controller
Telephone Muting
KD-G120R
YES
NO
KD-G120,KD-G123,KD-G124,KD-G125,KD-G126
NO
NO
KD-G161,KD-G162
NO
YES
Page 3
POSITION SET
SWITCH
LOAD&FEED
MOTOR
SPINDLE
MOTOR
SW1, SW2
PICK UP
PSW
SW1, SW2
CN501
IC541
BTL
DRIVER
IC501
RF AMP
IC151
CD L.P.F.
VF1
VF2
VT1
VT2
MD
LD
CN801
TU701
FM/AM
TUNER
IC301
E.VOLUME
Q332, Q432
LINE OUT
Q861
MUTING
IC321
POWER
AMP.
IC901
REGULATOR
EACH BLOCK
OUTLF, OUTLR
OUTRF, OUTRR
RR/SUB.W
RL/SUB.W
CD.LCH
CD.RCH
FRONT LEFT (+)
FRONT LEFT (-)
FRONT RIGHT (+)
FRONT RIGHT (-)
REAR LEFT (+)
REAR LEFT (-)
REAR RIGHT (+)
REAR RIGHT (-)
MUTE
MICOM
.MUTE
MUTE
ANT
SW1, SW2, PSW
LM,MSM
FEED+
FEED-
SPINDLE+
SPINDLE-
VF1, VF2, VT1
VT2, LD, MD
SPINDLE+
SPINDLEFEED+
FEEDTRACKING+
TRACKINGFOCUS+
FOCUS-
SPK
BATTERY
CN901CJ321
KEY0
KEY1
KEY2
LCD.SCK
LCD.SO
LCD.CE
REMOCON
ENC1
ENC2
LINE OUT
CJ701
CN001
FOCUS &
TRACKING
COIL
TRACKING+
TRACKINGFOCUS+
FOCUS-
Main amplifier & CD servo control section
TRV,TVD
TRD,FOD
ECM,ECS
KICK
LDON,ARF
BDO,OFTR
RFDET
VDET
FBAL,TBAL
TE,FE
RFENV
IC561
DSP&DAC
OUTL
OUTR
CD.RESET,STATUS
SUBQ,SQCK,TLOCK
FLOCK,CD.SENSE
MLD,MDATA,MCLK
IC801
MICOM
SD/ST
MONO
SSM,IFC
FM/AM
EO
FMOSC
S.METER
SEEK/STOP
IMIF.COUNT
SDA
SCL
TU.L-CH
TU.R-CH
CJ601
S601 to S616
KEY MATRIX
D630 to D649
D652,D653
LIGHTING
DISPLAY
KEY0
KEY1
KEY2
IC661
LCD DRIVER
LCD1
LCD DISPLAY
COM1
COM2
COM3
S1 to S52
LCD.SCK
LCD.SO
LCD.CE
LCD & Key control section
IC681
REMOCON
REMOCON
Only for
KD-G120R
JS686
ENCODER
ENC1
ENC2
Block diagram
(For KD-G120,KD-G120R,KD-G123,KD-G124,KD-G125 and KD-G126)
2-1
Page 4
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
R828
C824
R815
C434
Q731
X801
C803
C804
CJ701
R832
R834
R831
D801
C802
D332
D851
C807
CN901
IC901
TU701
R907
R911
R827
R811
C901
CJ321
R823
Q902
R826
R825
C916
C329
C331
C330
C435
R323
R807
D901
C915
C335
C340
R850
R853
C304
C328
C316
C321
C403
R301
R320
Q321
R814
R307
R308
R408
R407
Q793
C337
C427
Q332
R333
IC801
R812
R840
R841
C334
Q792
C801
Q432
R321
D333
R322
D803
C902
R336
R433
L701
C731
CN801
R820
Q732
Q903
D903
R201
R101
D810
Q891
R436
R434
IC321
D805
D804
D802
C332
C333
C433
C432
R892
R808
R902
Q791
R767
D793
C318
C317
R703
C327
R791
C732
R736
R733
CN702
R735
R701
R334
R829
B310
IC301
C314
Q862
Q861
C312
C302
C303
C408
C308
C402
C404 R401
R302
C313
R403
R809
R862
D867
R861
D824
R822
D904
C201
R833
R835
D868
C712
D852
D792
C909
C718
R906
R910
R798
R909
R803
R904
R905
R901
R903
C715
C319
R817
L801
R801
C906
C910
C713
R830
R818
C716
R851
C904
C908
C914
C903
C852
C863
R837
R838
C864
C704
C700
D405
R793
R725C725
C101
R794
C717
C320
R795
R843
R797
R844
D905
C851
C714
C701
L901
C703
C720
C702
C905
C709
C710
R804
C733
R737
R202
R102
D701
D702
R908
C420C419
D791
D823
D825
D822
D826
D827
D828
D731
C821
C822
D821
R705
D321
R891
D891
D892C891
C907
C823
R766
D708
C708
D794
C410
C102
C911
C202
R805
Q701
R792
R708
C711
R836
R813
D861
D869
D866
C862
C861
R304
R404
R405
47k
220p
47k
0.47
2SC3928A/R/-X
QAX0406-001Z
22p
33p
QNB0190-001
22k
22k
4.7k
1SS355W-X
0.01
KDS4148U-X
CRS03-W
10/16
R2S25400DS-E
QAU0312-002
39k
47k
47k
3.3k
QNN0519-001
47k
2SC3928A/R/-X
47k
20K
2.2/50
4.7/25
0.022
0.022
0.47
4.7K
47k
1N5401-F64
2.2
0.47
0.47
47K
47K
0.22
47/16
0.1
100/16
QTE1A57-107Z
2.2K
33K
RT1N441C-X
47k
27k
27k
27k
27k
RT1N141C-X
1000p
22/16
KTD1304-X
1k
JES01-9D13
3.3k
47k
47k
0.47
2SA1530A/R/-X
QNZ0611-001
220/6.3
KTD1304-X
47k
KDS4148U-X
2.7K
1SS355W-X
0.01
2.2k
1k
4.7u
QTE1H57-255Z
QGZ1601J1-15
47k
2SC3928A/R/-X
2SA1530A/R/-X
1SS133-T2
KDS4148U-X
RT1N141C-X
2.2k
100
1SS355W-X
1SS133-T2
1SS133-T2
0.1
QMFZ047-150-T
0.1
0.1
0.1
1k
1k
1k
2SA1365/F/-X
22K
KDS4148U-X
1/50
1/50
1k
1/50
10k
0.001
1.8k
10k
QGA2006F1-02
1.5k
1k
100
47k
0
BD3809FS-X
0.01
RT1P141C-X
QTE1C57-106Z
0.22
0.0082
4.7/25
4.7/25
0.22
0.22
2.2k
33k
0.1
100
10k
470
KDS4148U-X 470
UDZW6.2B-X
2.2k
CRS30-W
QTE1H57-105Z
4.7k
4.7k
KDS4148U-X
0.1
CRS03-W
KDS4148U-X
100/10
0.022
4.7k
47k
22k
27k
3.3k
100K
4.7k
9.1k
4.7k
22/16
100P
4.7k
4.7u
10K
0.1
0.01
0.047
22k
47k
15p
10K
22/16
100/10
0.1
22/16
0.01
0.082
10K
10K
0.082
0.0012
0.0012
CRS03-W
10k
100
0.01
QTE1H57-105Z
2.2k
220p
100P
12
0
10
0
CRS30-W
10/16
120p
47/16
QQR1695-001
0.1/50
220/10
0.1/50
22/16
3.3k
220/10
1SS355W-X
1SS355W-X
68k
100P100P
KDS4148U-X
UDZW6.2B-X
UDZW6.2B-X
UDZW6.2B-X
UDZW6.2B-X
UDZW6.2B-X
UDZW6.2B-X
MTZJ10B-T2
0.1
0.1
UDZW6.2B-X
10k
1SS133-T2
47k
KDS4148U-X
KDS4148U-X
0.1
0.01
0.1
2.2K
UDZW6.2B-X
100P
KDS4148U-X
0.01
220/10
3.3k
RT1N141C-X
1k
8.2k
330p
47k
47k
RT1P141C-X
MTZJ4.7B-T2
KDS4148U-X
KDS4148U-X
0.082
220/6.3
47k
47k
10
RF+
IFC
SDA
TU.RCH
SCL
10V
MSW
MICON.MUTE
RR+
TU.LCH
VDD
SUB.W.MUTE
CD.RESET
LINEOUT.MUTE
LR+
ENC1
PSW
ENC2
ACC5V
LCD.CE
RL/SUB.W
RR/SUB.W
GND
DETACH
LF+
DETACH
CD.RCH
RF-
RR-
LR-
LF-
LM
EO
FM.OSC
CD.LCH
CD8V
STATUS
MCLK
MDATA
MCLK
MLD
CD.SENSE
LM
SQCK
SUBQ
SW1
CD.RESET
SW2
TLOCK
FLOCK
MDATA
MLD
REMOCON
DIMOUT
LCD.SCK
LCD.SO
KEY0
KEY1
KEY2
CD.RCH
CD.LCH
SEEK/STOP
MSW
RRSUB.W
SW2
TLOCK
FLOCK
MONO
PSW
TELEMUTE
SQCK
SUB.W.MUTE
LCD.CE
LCD.SCK
CD.SENSE
STATUS
SD/ST
LINEOUT.MUTE
EO
FM/AM
S.METER
MICON.MUTE
SUBQ
SW1
RF-
RLSUB.W
LCD.SO
LR+
MUTE
LF+
FM.OSC
MUTE
ENC2
ENC1
SDA
SCL
9V
RR-
RR+
LF-
LR-
FM.IF.COUNT
KEY2
SD/ST
REMOCON
KEY1
S.METER
TELEMUTE
MONO
SSM
PS2
SSM
DIMMER
FM/AM
SEEK/STOP
KEY0
RF+
TO SHEET 2
TO CJ601
(SHEET 3)
Standard schematic diagrams
(For KD-G120, KD-G120R, KD-G123, KD-G124, KD-G125 and KD-G126)
Main amplifier section
2-2
SHEET 1
Page 5
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
IC541
C252
R152
R560
C253
L501
R151
C255
R526
RF
X561
R251
R153
ARF
C552
C540
IC151
L562
IC561
C527
C526
R525
R550
C516
C506
R524
R512
Q541
R513
Q501
C520
C519
R557
R596
C523
C522
C541
C521
IC501
FE
TE
R509
C563
C515
C551
R573
C573
D551
C570
C155
C574
R253
R252
R154
R156
R256
R254
C153
R518
C528
R507
C545
C546
R558
C547
C553
CN501
C152
C543
R503
R569
R580
R581
R516
C513
R577
R552
C504
L561
R553
R570
R554
R551
C251
R576
R504
R502
R501
C151
C579
C576
C555
C505
C507
C511
C509
C510
C514
C518
R511
R510
R508
R505
R506
C529
C501
C564
C565
C568
C566
C556
C571
C557
R575
C558
R571
R574
C256
C572
C567
C577
R559
C561
C524
C525
C559
R540
C560
C502
R568
R567
R564
R563
R562
R561
C562
R541
R542
R544
R546
R545
R547
R543
R548
C542
LA6242H-X
2.2/50
5.6k
100
150p
4.7U
15k
QTE0J57-476Z
12
TP
QAX0714-001Z
15k
22k
TP
0.01
68p
NJM4565E-X
4.7U
MN6627482WA
0.022
TP
3p
1.5k
12k
100/10
68p
3.3k
47k
2SA2093/QR/-T
47k
2SA2093/QR/-T
39p
0.047
150
8.2k
0.022
0.022
47/6.3
270p
AN22002A-W
TP
TP
36K
470p
0.1
220/10
120k
220/10
1A3G-T1
0.01
QTE0J57-476Z
0.01
22k
5.6k
22k
22k
22k
22k
150p
1M
0.1
1k
0.01
47/10
10k
0.022
QGB2027M4-22S
2.2/50
0.033
39K
1k
220k
0
62K
150p
100k
18k
100/10
4.7U
0
1k
51k
2k
0.001
0
3.9k
22
22
0.001
0.001
100p
0.047
0.1
0.33
0.0027
0.039
0.0027
0.056
0.047
220k
82k
270k
220k
56k
0.0012
0.1
0.022
0.1
0.1
0.1
0.047
0.1
0.047
220
0.047
100k
470
QTE1A57-107Z
100/10
100/10
0.1
3.3k
0.1
0.033
0.033
68p
330
4.7/25
10/16
1k
1k
1k
1k
1k
1k
0.33
6.8k
560
1.5k
15k
2k
270k
47k
5.6k
0.0033
CD8V
FEED-
ARF
MD
CD.RCH
FEED+
VF1
9V
SW1
FEED-
PSW
GND
VR
LD
SW2
VF1
SPINDLE+
GND
VF2
SPINDLE-
TRACKING+
FOCUS+
FEED+
GND
FOCUS-
PSW
VT2
VF2
GND
VCC
SW1
VT2
SW2
VT1
PSW
VF1
SPINDLE-
VT1
VR
TLOCK
VF2
SPINDLE+
SW1
LD
VREF
FOCUS-
OFTR
MD
FOCUS+
TRACKING-
TRACKING+
FEEDFEED+
SPINDLE+
SW1
SPINDLE-
SW2
FOD
PSW
LD
TRD
KICK
ECS
ECM
TVD
TRV
FBAL
TBAL
MD
VCC
FE
TE
RFENV
VDET
TRACKING-
TRACKING+
FOCUS+
CD.LCH
TRACKING-
FOCUS-
LD
RFDET
BDO
LDON
VT2
VT1
GND
SQCK
SW2
MSW
LM
MCLK
VREF
CD.RESET
STATUS
SUBQ
Vcc
MDATA
FLOCK
CD.SENSE
MLD
MD
VR
VF1
VREF
VT1
GND
VT2
VF2
CD.SENSE
LM
MCLK
TVD
CD.RESET
TRV
TRD
TBAL
KICK
ECS
FOD
ECM
STATUS
SUBQ
SQCK
MLD
MDATA
TLOCK
MSW
FBAL
TRACKING+
FE
LDON
TRACKING-
FOCUS-
FOCUS+
RFENV
SPINDLE-
SPINDLE+
FEED-
FEED+
TE
FLOCK
VDET
RFDET
BDO
OFTR
ARF
TO SHEET 1
CD servo control section
SHEET 2
2-3
Page 6
R601
R664
C661
R687
R688
D643
JS686
D641
S606
IC681
C681
C682
D642
D640
D638
D639
D636
D637
D635
D634
D645
C664
R605
D662
IC661
R610
D633
C687
D649
S602
D647
D648
S601
D646
CJ601
R662
R665
C663
C662
R666
R667
R668
S607
S605S604S603
S608S609
S610
S611S612
S613S614S615
D630
R611
R606
R607
R609
R608
R602R603R604
R661
R612
D632
D631
R613
R670
S616
LCD1
D644
B636
B634
B633
B635
R663
D661
R649
R644
R642
R682
R681
R631
R632
R641
R643
R686
R640
R638
C686
R639
R637
R635
D652
R646
R645
D681
R650
R636
R630
D653
R671
Q671
R672
Q670
R633
R634
680
10K
10/6.3
47K
47K
QSW0976-001
RPM7338-V4
4.7/6.3
0.012
0.1
1.2k
UDZW5.1B-X
PT6523LQ-L
1.2k
0.022
QGZ1601K1-15S
2.2K
51K
0.022
680p
10K
10K
10K
680
680
560
910
680
560680910
2.2K
560
680
0
QLD0392-001
0
0
0
0
180K
1SS355W-X
360
10K
470
470
330
470
100
0.022
330
330
NSPW310BS/BRST/
470
MA8062/M/-X
360
820
SML-310LT/MN/-X
NSPW310BS/BRST/
47K
RT1N141C-X
1K
2SB624/4/-X
470
KEY2
KEY2
ENC1
KEY1
ENC2
CE
CLK
DATA
REMOCON
KEY1
LCD.SCK
DIMOUT
10V
KEY0
S51
S52
ACC5V
KEY0
LCD.CE
LCD.SO
LCD.CE
LCD.SCK
LCD.SO
INH
S17
S18
OSC
S19
S20
S21
S22
S23
S24
S25
S26
S27
S28
S29
S30
S31
S32
S49
S50
COM3
COM2
COM1
COM1
S52
S51
S50
DIMOUT
S3S4S5S6S7
S8
S9
S10
S49
S48
S2
S11
S1
S12
COM2
COM3
S47
S46
S4
S3
S13
S14
S15
S16
S45
S44
S43
S42S2S41
S40
S39
S38
S37
S36
S35
S34
S33
S32
S31
S30
S29
S28
S27
S26
S25
S24
S23
S22
S21
S20
S19
S18
S17
S16
S15
S14
S13
S12
S11
S10S9S8S7S6
S5
S1
S33
S34
S35
S36
S37
S38
S39
S40
S41
S42
S43
S44
S45
S46
S47
S48
TO CN801
(SHEET 1)
LCD & Key control section
2-4
SHEET 3
Page 7
POSITION SET
SWITCH
LOAD&FEED
MOTOR
SPINDLE
MOTOR
SW1, SW2
PICK UP
PSW
SW1, SW2
CN501
IC501
BTL
DRIVER
IC521
DSP
IC581
CD L.P.F.
IC703
EEPROM
IC702
RESET
VF1, VF2
VT1, VT2
MD, LD
VREF
TRP
FOP
SPOUT
TRVP
NRST,BLKCK
STAT,MLD
MDATA,MCLK
CN701
TU1
FM/AM
TUNER
IC701
CPU
IC171
E.VOLUME
Q341, Q351
LINE OUT
MUTING
Q781
MUTING
DRIVE
IC301
POWER
AMP.
OUTLF, OUTLR
OUTRF, OUTRR
CD.L
CD.R
FRONT LEFT (+)
FRONT LEFT (-)
FRONT RIGHT (+)
FRONT RIGHT (-)
REAR LEFT (+)
REAR LEFT (-)
REAR RIGHT (+)
REAR RIGHT (-)
MUTE
FSU
SSTOP
SDA
SCL
Q.OUT
MUTE
MUTE.CONT
SW1, SW2, PSW
LM,MSW
FEED+
FEED-
SPINDLE+
SPINDLE-
VF1, VF2, VT1
VT2, LD, MD
SPINDLE+
SPINDLEFEED+
FEEDTRACKING+
TRACKINGFOCUS+
FOCUS-
OUTL
OUTR
LINE OUT
CN001
FOCUS &
TRACKING
COIL
TRACKING+,
TRACKINGFOCUS+,
FOCUS-
Main amplifier & CD servo control section
CJ601
KEY0
KEY1
KEY2
IC661
LCD DRIVER
LCD1
LCD DISPLAY
COM1
COM2
COM3
S1 to S52
LCDCLK
LCDDA
LCDCE
KEY0
KEY1
KEY2
LCDCLK
LCDDA
LCDCE
ENC1
ENC2
LCD & Key control section
L-CH
R-CH
RRO
RLO
SDA
SCL
ANT
J1 J321
IC901
REGULATOR
EACH BLOCK
SPK
BATTERY
CN901
D630 to D649
D652,D653
LIGHTING
DISPLAY
S601 to S616
KEY MATRIX
JS686
ENCODER
ENC1
ENC2
Block diagram
(For KD-G161 and KD-G162)
2-5
Page 8
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
R713
R907
Q782
R742
C703 C704
TCLK
R178
GND
C92
C319
CN901
VDD3.3V
R906
TD0
C352
B301
C719
R905
C901
D301
C351
R729
L701
C341
Q351
C187
R749
C302
C304
C303
C180
R303
D901
IC701
C181
C919
C82
R91
R81
C184
C310
C309
R180
R181
R182
R183
C311
Q341
R751
IC901
C183
R304
C709
D341
R719
Q912
R352
R301
C902
C317
D971
C318
R341
R351
CN701
L901
R753
R302
R342
R343
D903
C721
IC301
R908
C308
C307
C306
R353
C301
D351
C316
C182
Q781
Q301
R721
R722
R720
Q911
R75
R76
R730
R770
R709
R716
J1
TU1
L1
X71
R727
R728
C177
R172
R168
J321
C167
R162
R755
R754
IC703
C707
Q902
Q901
C321
CN702
D711
C717
R734
D712
IC705
S701
R760
C718
R761
C84
C94
ROM.CORR
Q903
R744
R712
Q891
C891
R892
R891
R769
R768
Q702
IC704
Q904
R745
C702
R725
C783
R7
D705
R766
R740
R735
R717
D904
C905
X702
VPP
D781
C909
C320
RESET
R767
R911
R8
R750
X701
R901R903
C312
R732
R1
C910
R748
C83
C93
C75
C1
C2
R752
C916
C904
C720
C908
C971
C903
C3
C8
R736
R723
C705
C706
C313
C701
C782
C781
D782
D713
R912
C314
C315
D704
R710
D706
D707
D708
D709
C711
C712
D701
C708
C178
C305
C710
R902
C907
C713
R971
R972
C906
D905
R763
R737
D702
D703
R724
Q703
C915
R714
R726
R731
R160
C85
C722
R707
R708
R718
R715
D2
D1
R82
C6
C73
R92
C5
C81
C91
C7
IC71
R3
C72
C76
C74
C77
C78
C71
C169
C4
R2
C173
C171
C172
C179
C185
R174
R173
R177
R176
IC171
C186
D71
C174
R167
R166
C175
R164
C164
C163
R163
C162
C161
R191
R190
R4
R5
R6
R757
R756
R758
R759
D710C716
C715
IC702
C911
C168
C165
R733
Q71
C79
Q701
R711
R762
R9R10
D891
R909
R910
C920
D906
10k
680
RT1P141C-X
100
47p 47p
47k
4.7/25
0.022
QNZ0611-001
47k
0
4.7k
2200/16
UDZS3.3B-X
100P
4.7k
4.7u
100P
KTD1304-X
0.01
10k
3.3/50
0.022
0.022
0.47
100
1N5401-F64
MN101C77FSA
0.47
330/6.3
4.7/25
15k
15k
10/16
47/16
100/16
27k
27k
27k
27k
22/16
KTD1304-X
10k
AN80T71
0.47
4.7k
330/6.3
1SS355W-X
10K
RT1N441C-X
1k
1.5k
0.01
1/50
CRS03-W
1/50
820
820
QGZ1601J1-15
QQR0703-001
10k
47K
1k
100
1SS355W-X
0.1
LA4743K
680
0.1
0.1
0.1
100
3.3/50
1SS355W-X
0.1
0.47
RT1P141C-X
2SC3928A/QR/-X
100
47k
27k
2SA1530A/QR/-X
12k
2k
4.7k
2.2k
47k
10K
QNB0190-001
QAU0443-001
4.7u
QAX0263-001Z
100
100
4.7/25
39k
47k
QNN0519-001
4.7/25
39k
4.7k
4.7k
BR24L16F-W-X
0.047
RT1N141C-X
2SA1530A/QR/-X
QGA2006F1-02
100P
2.2k
UDZW6.2B-X
NJU7241F33-X
QSW1049-001Z
100
10/16
390
4.7/25
4.7/25
RT1N141C-X
47k
RT1N141C-X
0.1
1K47K
2.2k
2.2k
RT1N141C-X
NJU7241F33-X
2SA1530A/QR/-X
47k
0.1
100k
0.082
1k
UDZW6.2B-X
6.8k
3.3k
1k
1.5k
CRS03-W
220/10
QAX0401-001
CRS03-W
100/10
0.022
0
24k
1k
4.7k
QAX0667-001Z
9.1k4.7k
100P
100
47k
0.01
4.7k
47/6.3
0.1
0.1
4.7k
2.2/50
22/16
100/10
0.1
22/16
0.1
0.1
2.2k
100k
18p
18p
100P
0.1
47/16
220/6.3
UDZW11B-X
1SS355W-X
39k
100P
100P
UDZW6.2B-X0UDZW6.2B-X
UDZW6.2B-X
UDZW6.2B-X
UDZW6.2B-X
0.1
0.1
UDZW6.2B-X
0.033
22/16
0.1
0.15
1k
0.01
0.1
2.2K
2.2K
0.1
1k
100k
UDZW6.2B-X
UDZW6.2B-X
100k
RT1N141C-X
10/16
5.6k
100k
100
15
0.22
10/16
6.8k
3.3k
47K
47K
1SS355W-X
1SS355W-X
6.8k
0.1
0.01
6.8k
47/6.3
220/10
LC72725NM-X
12
330P
0.01
560p
33p
33p
10/16
4.7/25
0.1
12
0.0047
470p
0.15
4.7/25
100/10
2.2k
4.7k
30k
30k
NJW1192V-X
0.01
0.1
30k
30k
4.7/25
2.2k
0.1
0.0047
4.7k
0.15
470p
100
100
100
100
3.3k
270
270
2.2k
47k
1SS355W-X
47/6.3
0.01
PST9121N-X
0.1
22/16
4.7/25
22k
RT1N141C-X
1/50
RT1N141C-X
0
470
33k68k
MC2836-X
47k
2.7k
0.1
1SS355W-X
SW2
STAT
RF+
FIL_VDD3.3V
SSTOP
PWR
CDON
ENC2
ENC1
LCD_DA
RDSSCL
RDSSDA
LCD_CLK
ST.REM
LCD_CE
ST.REM
CD_L
TEL_IN
TEL_MUTE
TEL_MUTE
PSW
CD_R
LF-
5V_LCD_CE
5V_LCD_DA
5v_LCD_CLK
VDD3.3V
PS2
LCD_CE
LCD_DA
LCD_CLK
RRO
SW1
ACC5V
KEY2
KEY1
ACC.IN
KEY0
SDA
SCL
RR+
NRST
PIC.STBY
CTRL
VDD5V
ILL10V
LR+
PS2
5V_LCD_CE
EXT
MUTE.CONT
RLO
LF+
DETACH
RF-
RR-
LR-
AFS
MCLK
BLKCK
5V_LCD_CLK
5V_LCD_DA
KEY0
KEY1
KEY2
ENC1
ENC2
TU-R
TU-L
MPX
AFS
Q_OUT
MPX
RST_IN
MUTE
MUTE
EPROMCK
FSU
FSU
RDSSCL
CDON
SDA
SCL
PWR
Q_OUT
RRO
EPROMDA
SCL
SDA
SSTOP
RDSSDA
RST_IN
RLO
LF+
MUTE
LR+
LF-
LR-
RF-
RR+
RR-
MDATA
DETACH
MLD
LM
MSW
RF+
TO SHEET 2
TO CJ601
(SHEET 3)
Standard schematic diagrams (For KD-G161 and KD-G162)
Main amplifier section
2-6
SHEET 1
Page 9
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
X521
ARF
C551
IC521
C552
C521
R529
R528
R527
R526
R525
C553
R520
R500
C544
C543
C545
C546
R558
C542
C541
R569
C532
C531
C502
C525
C526
C528
C524
R540
R538
Q501
R539
R507
VREF
R508
R509
R510
C522
R565
R553
R543
R544
R511
R545
R548
R513
R515
R517
C503
C504
C518
C505
C506
D501
R524
R586
R588 R590R584
R589R583
R594
R587
R585
C529
C587
C530
C588
CN501
C586
C585
C512
C514
C594
R535
IC501
C511
R566
C501
C510
C509
C550
C547
C548
C549
R591
R559
C540
C539
R505
R568
C508
R519
C534
C533
R506
C527
R541
R542
R501
R502R503
C538
C537
R554
Q521
R512
C513
R514
C515
R516
C517
R518
IC581
R592
R593
C589
C554
C584
C583
C536
C535
R556
R522
C555
C591
C592
R595
QAX0893-001Z
0.1
MN6627551CB
0.1
0.1
1k
1k
1k
1k
1k
47/6.3
22
22
0.082
1000p
0.1
220/6.3
82k
0.1
0.015
18K
0.33
0.33
0.1
0.022
0.022
180p
560P
30k
0
2SB1322/RS/-T
0
15k
3.3K
100k
27K
0.33
150
0
1k
1k
15K
3.3K
3.3K
10k
15k
15k
220/10
0.1
68p
220/10
0.01
1A3G-T1
1k
10k
30k
1.5k15k
1.5k15k
100k
30k
10k
8200p
100p
8200p
100p
QGB2027M4-22S
2.2/50
2.2/50
0.022
0.022
10K
LA6242H-X
2200p
0
220/6.3
0.047
0.047
0.1
47/6.3
47/6.3
0.1
22k
820
680p
0.1
11k
0
0.047
20k
3300p
100/6.3
10k
3300p
39k
4.7k
8.2k
8.2k
5.1k
47/6.3
47/6.3
4.7
2SA1530A/QR/-X
5.6K
6800p
5.6k
1200p
1K
1800p
5.6K
NJM4565E-X
100k
22k
47/6.3
0.01
820p
820p
47/6.3
0.1
47K
0
100/10
0.1
22
FEED-
GND
FEED+
VF2
GND
RFVDD
SW1
VT2
SW2
VT1
PSW
VF1
SPINDLE-
VR
SPINDLE+
LD
VREF
FOCUS-
MD
FOCUS+
TRACKING+
TRACKING-
FEED-
FEED+
SPINDLE+
SW1
SPINDLE-
SW2
PSW
VCC
TRACKING+
TRACKINGFOCUS+
FOCUS-
LD
GND
MD
VR
VF1
VREF
VT1
GND
VT2
VF2
TO SHEET 1
CD servo control section
SHEET 2
2-7
Page 10
LCD & Key control section
R601
R664
C661
R687
R688
D643
JS686
S606
IC681
C681
C682
D642
D640
D637
D636
D641
D638D635
D634
D645
C664
R605
D662
IC661
R610
D633
C687
D649
S602
D647
D648
S601
D646
CJ601
R662
R665
C663
C662
R666
R667
R668
S607
S605S604S603
S608S609
S610
S611S612
S613S614S615
D630
R611
D639
R606
R607
R609
R608
R602R603R604
R661
R612
D632
D631
R613
R670
S616
LCD1
B633
D644
R663
D661
R649
R644
R642
R682
R681
R631
R632
R641
R643
R686
R638
R640
C686
R637
R639
D652
R646
R645
D681
R650
R630
D653
R671
Q671
R672
Q670
R635
R636
B636
B635B634
R633
R634
820
10K
10/6.3
47K
47K
QSW0976-001
RPM7338-V4
4.7/6.3
0.012
0.1
2.7k
UDZW5.1B-X
PT6523LQ-L
2.7k
0.022
QGZ1601K1-15S
2.2K
51K
0.022
680p
10K
10K
10K
820
820
820
1.8k
1.2k
8201.2k1.8k
2.2K
820
1.2k
0
QLD0390-001
0
180K
1SS355W-X
390
10K
470
470
330
470
100
0.022
330
330
NSPW310BS/BRST/
470
MA8062/M/-X
390
820
SML-310LT/MN/-X
NSPW310BS/BRST/
47K
RT1N141C-X
1K
2SB624/4/-X
0
00
KEY2
KEY2
ENC1
KEY1
ENC2
CE
CLK
DATA
REMOCON
5V_LCD_CLK
KEY1
DIMOUT
ILL10V
KEY0
S51
S52
ACC5V
KEY0
5V_LCD_CE
5V_LCD_DA
5V_LCD_CE
5V_LCD_CLK
5V_LCD_DA
INH
S17
S18
OSC
S19
S20
S21
S22
S23
S24
S25
S26
S27
S28
S29
S30
S31
S32
S49
S50
COM3
COM2
COM1
COM1
S52
S51
S50
DIMOUT
S3S4S5S6S7
S8
S9
S10
S49
S48
S2
S11
S1
S12
COM2
COM3
S47
S46
S4
S3
S13
S14
S15
S16
S45
S44
S43
S42S2S41
S40
S39
S38
S37
S36
S35
S34
S33
S32
S31
S30
S29
S28
S27
S26
S25
S24
S23
S22
S21
S20
S19
S18
S17
S16
S15
S14
S13
S12
S11
S10S9S8S7S6
S5
S1
S33
S34
S35
S36
S37
S38
S39
S40
S41
S42
S43
S44
S45
S46
S47
S48
TO CN701
(SHEET 1)
2-8
SHEET 3
Page 11
Printed circuit boards
Main board (For KD-G120, KD-G120R, KD-G123, KD-G124, KD-G125 and KD-G126)
Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
R835
R850
R853
R833
D827
R831
D828
B853
D822
D826
D708
CN702
R568
R151
R578
R581
C577
C579
R562
C821
C805
C708
R766
C151
R152
R767
R567
C152
C153
B558
C566
C576
R574
R576
R575
C570
R154
R251
C572
R560
R153
D821
R837
R838
CN801
C833
R805
C155
R561
L562
R808
B852
B854
D825
C571
D824
D823
C823
C822
C801
R804
C803C804
R842
IC151
C574
R803
R570
C802
C807
X561
D810
R809
C251
C573
C720
X801
C567
R836
B830
R572
C568
R801
B834
R818
C564
R156
R834
R252
C253
R253
C565
B758
R832
IC801
C252
R577
B704
D793
R256
C255
R573
Q793
B757
Q701
D803
R254
L561
R563
R737
D805
C256
R580
C712
R705
R708
R798
D801
R503
B552
B553
C563
B554
R542
R548
R817
C543
R546
C561
D802
C542
R564
R830
R545
D804
R571
C559
R829
C528
R507
R550
R543
IC561
C562
R544
C514
R518
B522
R541
R516
R547
R791
R820
C518
C529
B600
C540
R506
R569
C711
R508
C521
R510
R511
R596
R792
R827
C516
C515
R202
B756
C520
R509
C522
C541
B562
R551
C202
R825
C523
C545
R201
R812
C525
C553
D794
R512
C524
C560
C519
R905
R540
C201
R826
R552
B755
R844
R906
R823
B560
R505
L501
C552
R841
B
R813
B514
C891
R554
B759
E
B524
B557
R840
Q541
R559
C555
R558
C544
C556
C551
R843
A
IC541
C714
C101
B831
R811
B556
C702
Q791
B832
R513
B601
R556
C700
D892
C513
R557
B602
R101
C102
Q891
C710
R102
B525
C504
C704
R735
B752
C557
B616
R725
C709
C716
R815
IC501
C725
C506
C701
R807
B551
C558
CN501
B612
R814
R891
C731
D891
B608
R526
R892
R501
R502
RF
B753
C511
B604
C510
C501
C328
IC321
C507
R524
C526
B310
D791
C717
C509
D792
B454
R401
R504
C330
C505
A'
C718
B703
R525
C527
Q501
C703
C402
B606
B605
C502
R553
B603
R794
C404
R302
R405
R320
C732
C713
D405
C806
R321
Q321
R322
C337
C318
R323
C316
R736
C403
C327
C329
C432
B453
R404
R703
R793
C408
C313
C435
C715
R403
C433
C719
R822
D321
C420
Q792
R795
B452
B457
IC301
B151
C419
C320
R910
R407
R909
Q902
R908
R797
C319
C733
R907
R408
C547
B837
C434
C324
R701
TU701
B451
R326
C333
Q732
C334
Q731
R733
D701
C308
D551
C326
R324
D702
C304
R307
R304
L801
C332
C911
R308
Q903
R433
R436
C302
R325
R338
C303
C314
C312
C904
R902
C338
L701
D332
D333
R301
C864
D866
D868
B922
C325
R336
Q432
R828
Q332
Q861
D903
C852
C916
C335
C340
B354
R333
C546
B615
B898
C908
C909
C427
C317
C331
E'
D851
R851
D852
R901
C998
C906
R334
R904
C862
C907
D901
C905
C851
C902
CJ321
R434
C910
R861
R862
R903
Q862
C903
C914
D861
D867
D905
C863
C861
D869
D904
CJ701
B'
R911
C901
C341
IC901
C915
L901
CN901
2-9
Page 12
Main board (For KD-G161 and KD-G162)
Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
C784
D702
D703
D704
D705
D706
D707
D708
CN701
D712
R770
C551
C552
R552
R752
S701
Q701
R713
R769
R714
R717
R768
R763
R892
R891
D711
D891
Q891
R733
R724
R725
R723
B549
D701
R535
B548
B778
C521
C711
A
X521
C553
C527
C713
D713
R760
B760
C717
CN702
R539
D709
R750
R522
R538
R748
C522
R540
R737
C524
C546
IC521
C525
B753
C785
C712
C526
C547
B754
B770
R525
R527
R528
C548
C550
C77
X71
C528
R541
R566
R542
C76
R718
R719
R710
R758
C720
R715
R759
D710
B758
C530
C78
C529
R716
C715
C722
Q702
B757
R721
Q703
C536
C704
C705
C706
B759
C716
B552
C75
C535
X702
X701
B540
C549
B769
C545
B539
C540
C72
C71
C703
IC702
R734
R524
C539
R544
R543
B546
IC71
R712
C707
R526
B756
C718
R529
C542
B542
C541
R762
B541
R711
R727
R559
C533
C512
R545
R709
C544
C543
R558
R514
R501
Q501
R753
R513
C531C532
R751
C513
C534
R548
C73C74
R76
R749
C702
IC703
B537
R520
R75
R502
R518
C501
R500
C721
R742
R728
Q902
Q903
R508
B538
R503
B536
R505
C518
C504
IC705
C517
R517
R510
R731 R732
R707
R744
R745
R756
R729 R730
C8
IC701
R755
R766
R757
C503
R7
C584
B535
B547
Q71
R708
B12
B761
R754
R515
R767
R583
C79
B9
D71
C7
C709
R761
B772
R736
R735
C586
R584
R509
R516
C515
IC501
C505
C555
R593
C589
B550
R592
C506
C701
R6
C93
R905
C508
C502
B534
C554
C91
C6
C85
R91
R92
Q904
R910
R303
R3
C92
D906
C594
IC581
C510
R568
R507
C511
R2
R909
R511
C81
B771
R506
R519
R512
C82
B925
R726
C710
D501
C4
R591
R908
Q901
C509
R569
B301
C5
C10
R1
R5
C83
R81
R82
C161
R162R163
C162 C163
C164
R164
C781
R907
R906
L701
C583
C585
CN501
Q521
R554
R556
R553
R565
B532
B533
C318
C309
C9
C165
D781
Q781
R595
C592
D782
C783
C303
R740
C708
C591
C168
IC301
C719
R4
C94
C310
C352
C782
C537
C538
C302
R10
Q782
Q911
A'
C316
C305
R9
C187
C167
R720
C182
R911
R8
C184
C920
Q912
C183
C306
IC171
R167
R722
R912
C588
R588
R586
C84
C1
B179
R166
R182
C315
C314
B177
R191
R190
R183
R589R590
R587
R585
C587
R594
R11
R177
R176
IC704
B932
B933
R181
C307
B178
C180
C313
C312
C11
B176
R180
B320
C181
C186
TU1
C185
C904
R352
D351
D341
R342
C177
C915
C919
B924
L1
B923
C916
R304
D301
Q301
Q341Q351
C178
B922
R301
C308
D2
D1
R168
R351
R353
D905
C321
C317
C169
C179
R160
C175
R902
C301
R302
C319
B921
C909
C351
C905
C311
C910
C908
D903
R903
B321
B175
C304
D901
C171
R172
C174
C911
D904
R901
C906
C891
C902
J321
R178
C907
C903
IC901
C172C173
C341
R343
R341
R173
R174
D971
R971
R972
C971
B928
J1
B174
PP1
L901
CN901
C901
2-10
Page 13
Switch board
Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
Forward side Reverse side
R609
R639
R640
S612
D636
S602
D640
JS686 R602
R610
R638
D637
D635
D631
R637
B635
R605
R604
LCD1
D633
D632
R636
R635
B634
D634
B633
S601
B636
R611
R633
S614
S613
R634
D652D653
D630
IC681
D644
R665
R666
C662
C663
R644
R643
R646
R645
R612
R601
C664
CJ601
R606
R608
R607
R641
R642
S609S610S611
S608
S603 S604
R603
S605
D638D639
D641 D642
D643
D645
S616
D647
R613
D646
D649
S615
S607
D648
S606
R664
C661
D661
R663
R662
R661
R670
R667
R668
Q670
R671
C687
R686
C686
R681
C682
C681
R672
Q671
D662
R688
R687
R682
D681
R632
IC661
R631
R650
R649
D652D653
IC681
R630
JS686
2-11
Page 14
Victor Company of Japan, Limited
Mobile Entertainment Business Group Mobile Entertainment Category 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan
(No.MA233SCH)
Printed in Japan
VPT
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