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
2-3
2-9
2-11
2-17 to 19
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
< MEMO >
Page 4
Block diagram
VF1, VF2, VT1
PICK UP
VT2, LD, MD
(For KD-G120,KD-G120R,KD-G123,KD-G124,KD-G125 and KD-G126)
Main amplifier & CD servo control section
LM,MSM
TRACKING+
TRACKING-
FOCUS &
TRACKING
FOCUS+
FOCUS-
COIL
LOAD&FEED
FEED+
FEED-
MOTOR
POSITION SET
PSW
SWITCH
SPINDLE
SPINDLE+
SPINDLE-
MOTOR
SW1, SW2
SW1, SW2
LCD & Key control section
Only for
KD-G120R
IC661
LCD DRIVER
COM1
COM2
COM3
S1 to S52
LCD1
LCD DISPLAY
IC681
REMOCON
REMOCON
LCD.SCK
LCD.SO
LCD.CE
D630 to D649
D652,D653
LIGHTING
DISPLAY
CN001
S601 to S616
KEY MATRIX
KEY0
KEY1
KEY2
ENC1
ENC2
JS686
ENCODER
CJ601
CN501
CN801
IC541
DRIVER
IC501
RF AMP
KEY0
KEY1
KEY2
LCD.SCK
LCD.SO
LCD.CE
REMOCON
ENC1
ENC2
BTL
SPINDLE+
SPINDLEFEED+
FEEDTRACKING+
TRACKINGFOCUS+
FOCUS-
SW1, SW2, PSW
VF1
VF2
VT1
VT2
MD
LD
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
IC151
CD L.P.F.
2-1
Page 5
26)
K
TU701
FM/AM
TUNER
SD/ST
MONO
SSM,IFC
FM/AM
EO
FMOSC
S.METER
SEEK/STOP
IMIF.COUNT
IC801
MICOM
.MUTE
Q861
MUTING
SDA
SCL
MUTE
TU.L-CH
TU.R-CH
OUTLF, OUTLR
OUTRF, OUTRR
IC301
E.VOLUME
MUTE
RR/SUB.W
RL/SUB.W
Q332, Q432
LINE OUT
IC321
POWER
AMP.
FRONT LEFT (+)
FRONT LEFT (-)
FRONT RIGHT (+)
FRONT RIGHT (-)
REAR LEFT (+)
REAR LEFT (-)
REAR RIGHT (+)
REAR RIGHT (-)
CJ701
ANT
LINE OUT
MICOM
CD.LCH
CD.RCH
EACH BLOCK
IC901
REGULATOR
CN901CJ321
SPK
BATTERY
2-2
Page 6
8
8
8
2
0
0
Standard schematic diagrams
Main amplifier section
CJ701
QNB0190-001
L701
4.7u
(For KD-G120, KD-G120R, KD-G123, KD-G124,
TU701
QAU0312-002
PSW
SW1
SW2
LM
MSW
CD8V
CD.RESET
STATUS
SUBQ
SQCK
TLOCK
FLOCK
CD.SENSE
TO SHEET 2
MLD
MDATA
MCLK
CD.RCH
GND
CD.LCH
QGZ1601J1-15
TO CJ601
(SHEET 3)
CN801
2SC3928A/R/-X
0.1
0.1
0.1
C821
C822
C823
QTE1H57-255Z
Q731
2SC3928A/R/-X
UDZW6.2B-X
UDZW6.2B-X
UDZW6.2B-X
D823
D822
D821
C731
C732
0.001
UDZW6.2B-X
UDZW6.2B-X
D824
D825
R735
1.5k
R736
1.8k
Q732
DETACH
ACC5V
REMOCON
DIMOUT
LCD.SCK
LCD.SO
LCD.CE
UDZW6.2B-X
UDZW6.2B-X
UDZW6.2B-X
D826
D827
D828
ENC1
ENC2
KEY0
KEY1
KEY2
0.1
C712
8.2k
R708
22k
R798
KDS4148U-X
R737
0
R843
TELEMUTE
FLOCK
D793
SSM
0
R844
TLOCK
220/10
C720
D794
KDS4148U-X
SEEK/STOP
LCD.CE
LCD.SCK
3.3k
3.3k
R804
R805
CD.SENSE
STATUS
LCD.SO
3.3k
R803
R822
PS2
R201
R101
SD/ST
2.2k
SD/ST
C102
SQCK
10K
R801
R817
4.7k
47k
R818
SSM
REMOCON
R102
SUBQ
DIMMER
FM/AM
MONO
R202
C202
Q701
RT1N141C-X
MONO
ENC2
10K
MICON.MUTE
SEEK/STOP
QTE1H57-105Z
QTE1H57-105Z
C201
C101
ENC1
10K
R837
R838
S.METER
R830
KEY2
R892
1k
47k
R891
D891
D892C891
KDS4148U-X
KDS4148U-X
Q891
RT1N141C-X
TELEMUTE
KDS4148U-X
R834
R832
R820
47k
22k
R831
4.7k
R829
47k
47k
R828
R827
47k
47k
R826
R825
20K
R823
47k
R850
R853
D810
47K
47K
C803
22p
X801
QAX0406-001Z
C804
33p
47k
R836
C807
22k
22k
4.7k
R833
FM.OSC
4.7k
R835
0.1
KEY1
10/16
EO
C
0.
C
IFC
22
C
2
L801
4.7u
VDD
KEY0
R703
1k
R701
1k
0.047
220p
R794
R809
C717
10k
R793
D792
RT1N141C-X
2.2k
R811
R812
10k
47/16
C701
2SA1365/F/-X
KDS4148U-X
Q793
0.1/50
C703
Q791
3.3k
3.3k
22/16
1SS355W-X
1SS355W-X
10
D701
D702
C715
C713
R797
Q792
EO
D803
D805
D802
D804
D801
SUB.W.MUTE
2SA1530A/R/-X
R808
JES01-9D13
D791
KDS4148U-X
1SS355W-X
1SS355W-X
1SS133-T2
1SS133-T2
1SS355W-X
1k
47k
R813
IC801
R733
10k
220/10
D731
MTZJ10B-T2
C733
DETACH
10V
LM
CD.RESET
MCLK
MDATA
MLD
SCL
SDA
R725C725
100
15p
0.022
0.01
C718
C702
C716
R791
10k
12
1k
R792
R795
9V
FM/AM
FM.OSC
R807
47k
R814
47k
R815
47k
47k
R840
47k
R841
0.1/50
10k
0.0012
0.0012
120p
C714
C700
C709
C710
C704
R705
C711
330p
S.METER
FM.IF.COUNT
MSW
SW1
PSW
SW2
2-3
CN702
QGA2006F1-02
D708
UDZW6.2B-X
2.2K
R766
R767
C708
100P
22K
Page 7
KEY0
124, KD-G125 and KD-G126)
TU.RCH
TU.LCH
RR/SUB.W
LINEOUT.MUTE
RL/SUB.W
R333
D332
R336
KDS4148U-X
D333
R436
KDS4148U-X
R433
R334
1k
2.2k
Q332
KTD1304-X
2.2k
Q432
KTD1304-X
1k
100
R434
100
QNN0519-001
CJ321
IC321
BD3809FS-X
IC301
C312
QTE1C57-106Z
C314
0.01
CD.RCH
CD.LCH
R301
C303
0.0082
MICON.MUTE
EO
SC
C802
0.01
C801
FC
220/6.3
/16
C824
220p
L801
4.7u
VDD
470
R862
D869
KDS4148U-X
Q902
2SC3928A/R/-X
47k
R910
Q903
2SA1530A/R/-X
D867
C304
2.2K
0.22
C302
0.22
0.082
C862
C864
C861
0.082
220/6.3
R861
R909
Q862
D861
KDS4148U-X 470
RT1P141C-X
MTZJ4.7B-T2
27k
68k
220/10
R908
C911
R907
39k
4.7k
R906
SUB.W.MUTE
LINEOUT.MUTE
C852
D903
1SS133-T2
4.7k
100K
R904
R905
KDS4148U-X
D866
RT1P141C-X
Q861
R851
0.01
100/10
0.01
C910
C909
D868
10K
KDS4148U-X
C863
D852
CRS03-W
0.01
100/10
C907
C908
C408
0.082
MUTE
22/16
C905
SDA
R302
33k
C308
4.7/25
4.7/25
D851
CRS03-W
C851
SCL
QTE1A57-107Z
C404 R401
0.22
C402
0.22
47k
R304
10/16
9.1k
4.7k
0.1
R901
C906
R903
R403
100
R404
22/16
C904
47k
RLSUB.W
C313
0.1
C403
2.2k
D405
CRS03-W
RRSUB.W
IC901
R2S25400DS-E
C903
22/16
R405
2.2/50
R307
C334
27k
0.47
C319
100P
C320
100P
R308
C335
27k
0.47
C435
R408
27k
0.47
100P100P
C420C419
10
C331
0.022
C330
C434
R407
27k
C916
L901
0.47
C902
0.01
C901
D901
1N5401-F64
QQR1695-001
R902
1k
0.022
C410
0.01
C915
2.2
R911
47k
C328
D904
D905
C432
0.1
B310
0
CRS30-W
CRS30-W
C340
LR+
C333
0.1
C427
47/16
C321
100/16
RF+
RR+
LR+
LF+
RF-
RR-
LR-
LF-
LF+
LF-
LR-
C317
1/50
C332
0.1
22/16
0.47
C337
C433
1000p
0.1
1/50
C318
C316
RR-
QNZ0611-001
CN901
R321
R322
1/50
C327
0.1
47k
2.7K
QMFZ047-150-T
Q321
R320
RT1N441C-X
MUTE
D321
1SS133-T2
33K
RF-
RR+
RF+
C329
4.7/25
R323
4.7K
0.1
C914
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
SHEET 1
2-4
Page 8
68
CD servo control section
FEEDFEED+
PSW
SPINDLESPINDLE+
SW1
SW2
TRACKING-
TRACKING+
FOCUS+
FOCUS-
LD
GND
MD
VR
VF1
VREF
VT1
GND
VT2
VCC
VF2
GND
FEED-
VF2
FEED+
VCC
GND
VT2
SW1
VT1
SW2
VF1
PSW
VR
SPINDLE+
LD
SPINDLEFOCUSVREF
FOCUS+
MD
TRACKING+
TRACKING-
LA6242H-X
CN501
QGB2027M4-22S
R557
150
VR
IC541
FEED-
FEED+
SPINDLE+
SPINDLE-
FOCUS-
VREF
FOCUS+
TRACKING+
TRACKING-
LM
18k
R552
0
R553
VF2
Vcc
VT2
SW1
VT1
SW2
VF1
PSW
LD
MD
C524
VT2
VT1
VF2
VF1
R513
47k
R512
47k
0.033
MSW
ECS
FOD
TVD
TRV
2k
15k
R546
R545
R596
8.2k
C540
68p
2k
R551
51k
R554
C555
0.047
SPINDLE-
SPINDLE+
FEED-
FEED+
C525
0.033
ECM
47k
1.5k
560
R543
R544
R542
C543
0.033
R559
R541
3.3k
6.8k
R558
10k
R550
12k
C557
C556
0.047
0.047
FOCUS+
TRACKING-
FOCUS-
C558
0.047
TRACKING+
0.022
0.022
TBAL
R511
220k
R510
C522
C523
Q541
2SA2093/QR/-T
FBAL
LDON
82k
39K
62K
R503
R516
C545
0.01
C541
47/6.3
330
R540
C542
0.0033
C560
4.7/25
TE
FE
FE
TP
C518
TE
TP
R509
36K
270k
R508
C521
C520
270p
39p
C553
TRD
KICK
5.6k
270k
C559
R548
R547
VDET
C529
0.0012
0.047
220k
R505
C519
0.047
56k
R506
2-5
IC501
AN22002A-W
MD
C502
R501
R502
10/16
22
22
0.1
C501
LD
Q501
R526
2SA2093/QR/-T
C527
12
0.022
C526
C507
0.33
3p
3.9k
R504
R524
3.3k
C504
100/10
R525
1.5k
0.039
0.0027
C510
C509
RF
TP
RFENV
ARF
0.1
C505
C514
C506
68p
0.056
150p
0.0027
C511
C513
BDO
OFTR
RFDET
Page 9
D551
C553
C547
C552
0.01
0.022
TRD
KICK
5.6k
270k
68p
C559
R548
R547
C551
220/10
C546
47/10
1A3G-T1
TRV
TVD
ECM
ECS
KICK
TRD
FOD
FBAL
TBAL
FE
TE
RFENV
VDET
OFTR
RFDET
BDO
LDON
R518
1M
MN6627482WA
C528
IC561
CD.RESET
1k
1k
0.33
R570
R569
C562
R507
1k
0.1
CD.SENSE
1k
1k
R568
R567
1k
1k
1k
R564
0.1
1k
C561
R563
R562
R561
PSW
SW1
SW2
LM
MSW
CD8V
GND
CD.RESET
STATUS
SUBQ
SQCK
TLOCK
C574
0.01
C573
220/10
R560
100
C570
0.01
FLOCK
CD.SENSE
MLD
MDATA
MCLK
CD.RCH
GND
CD.LCH
9V
TO SHEET 1
MCLK
FLOCK
STATUS
SUBQ
SQCK
MLD
MDATA
TLOCK
220k
150p
C513
OFTR
VDET
RFDET
ARF
TP
C516
100/10
C515
0.1
L501
4.7U
C563
470p
TP
ARF
R571
100k
R577
100k
R573
120k
220k
0.1
0.022
C567
C564
C565
R580
4.7U
L561
R151
15k
R251
15k
100/10
0.1
C568
C151
C251
470
R574
0.1
C566
0.001
0.001
0
100p
R576
C576
0
R581
C152
2.2/50
C155
QTE0J57-476Z
R154
22k
R254
22k
C255
QTE0J57-476Z
C252
2.2/50
220
R575
0.1
C577
R156
22k
R256
22k
0.001
C579
QAX0714-001Z
R152
5.6k
R252
5.6k
R253
22k
X561
R153
22k
C253
150p
L562
4.7U
0.1
C572
100/10
C571
C153
150p
IC151
NJM4565E-X
C256
QTE1A57-107Z
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
SHEET 2
2-6
Page 10
360
LCD & Key control section
LCD1
QLD0392-001
S4
S3
S1
S10S9S8S7S6
S5
S16
S15
S14
S13
S12
S11
S22
S21
S20
S19
S18
S17
S28
S27
S26
S25
S24
S23
S34
S33
S32
S31
S30
S29
S40
S39
S38
S37
S36
S35
S46
S45
S44
S43
S42S2S41
COM3
COM2
COM1
S52
S51
S50
S49
S48
S47
S601
R602R603R604
R605
1.2k
S602
R609
R610
1.2k
R608
910
680
S611S612
S610
R613
680
S616
R601
KEY2
680
560680910
S606
S605S604S603
D631
560
R612
R607
560
820
R606
KEY1
680
S607
S608S609
R611
KEY0
680
S613S614S615
R630
D630
SML-310LT/MN/-X
D635
470
R631
R632
B635
0
B634
0
R635
D632
D633
D634
B633
R636
B636
0
0
D644
470
R633
R634
330
R637
D640
D636
D637
R638
330
R639
D641
D638
D639
R640
330
R641
D645
D643
D642
R642
D647
D646
470
R644
R643
470
R645
D649
D648
D652
R649
R646
2-7
Page 11
COM1
D652
D653
NSPW310BS/BRST/
360
R650
R649
R670
0
Q670
NSPW310BS/BRST/
2SB624/4/-X
1K
R672
360
Q671
RT1N141C-X
R671
IC681
RPM7338-V4
C682
D681
0.012
MA8062/M/-X
C681
R682
10K
4.7/6.3
R681
470
S44
S45
S46
S47
S48
S49
R661
2.2K
R662
2.2K
C663
D662
0.022
D661
C662
680p
UDZW5.1B-X
R665
51K
LCD.CE
LCD.SCK
LCD.SO
R666
R667
R668
R664
10K
47K
DIMOUT
180K
R663
10/6.3
1SS355W-X
C661
S50
S51
S52
COM1
COM2
COM3
INH
OSC
10K
CE
10K
CLK
10K
DATA
S2
S1
S3S4S5S6S7
S42
S43
IC661
PT6523LQ-L
R687
47K
R688
47K
C686
S35
S36
S37
S40
S41
S38
S39
S9
S8
S11
S10
S12
S13
S14
0.022
JS686
QSW0976-001
100
R686
C687
0.022
C664
0.1
S33
S34
S32
S31
S30
S29
S28
S27
S26
S25
S24
S23
S22
S21
S20
S19
S18
S17
S16
S15
QGZ1601K1-15S
CJ601
ACC5V
REMOCON
ENC1
ENC2
DIMOUT
LCD.SCK
LCD.SO
LCD.CE
KEY0
KEY1
KEY2
10V
TO CN801
(SHEET 1)
SHEET 3
2-8
Page 12
Block diagram
VF1, VF2, VT1
PICK UP
FOCUS &
TRACKING
COIL
LOAD&FEED
MOTOR
POSITION SET
SWITCH
SPINDLE
MOTOR
VT2, LD, MD
TRACKING+,
TRACKINGFOCUS+,
FOCUS-
FEED+
FEED-
PSW
SPINDLE+
SPINDLE-
(For KD-G161 and KD-G162)
Main amplifier & CD servo control section
CN001
CN501
LM,MSW
IC501
BTL
DRIVER
SPINDLE+
SPINDLEFEED+
FEEDTRACKING+
TRACKINGFOCUS+
FOCUS-
SW1, SW2, PSW
TRP
FOP
SPOUT
TRVP
VF1, VF2
VT1, VT2
MD, LD
VREF
IC521
DSP
NRST,BLKCK
STAT,MLD
MDATA,MCLK
SW1, SW2
SW1, SW2
LCD & Key control section
JS686
ENCODER
ENC1
ENC2
IC661
LCD DRIVER
COM1
COM2
COM3
S1 to S52
LCD1
LCD DISPLAY
LCDCLK
LCDDA
LCDCE
D630 to D649
D652,D653
LIGHTING
DISPLAY
S601 to S616
KEY MATRIX
KEY0
KEY1
KEY2
CJ601
CN701
KEY0
KEY1
KEY2
LCDCLK
LCDDA
LCDCE
ENC1
ENC2
OUTL
OUTR
IC581
CD L.P.F.
2-9
Page 13
TU1
FM/AM
TUNER
L-CH
R-CH
J1 J321
ANT
IC701
CPU
FSU
SSTOP
SDA
SCL
Q.OUT
MUTE
Q781
MUTING
DRIVE
MUTE
SDA
SCL
IC702
RESET
IC703
EEPROM
OUTLF, OUTLR
OUTRF, OUTRR
IC171
E.VOLUME
MUTE.CONT
RRO
RLO
EACH BLOCK
IC901
REGULATOR
Q341, Q351
LINE OUT
MUTING
IC301
POWER
AMP.
FRONT LEFT (+)
FRONT LEFT (-)
FRONT RIGHT (+)
FRONT RIGHT (-)
REAR LEFT (+)
REAR LEFT (-)
REAR RIGHT (+)
REAR RIGHT (-)
LINE OUT
CN901
SPK
BATTERY
CD.L
CD.R
2-10
Page 14
2
Standard schematic diagrams
Main amplifier section
TU1
QAU0443-001
J1
QNB0190-001
4.7u
L1
D1
1SS355W-X
IC71
LC72725NM-X
(For KD-G161 and KD-G162)
R8
1k
33k68k
R9R10
0.1
0.1
330P
C72
0.01
C76
C77
33p
X71
QAX0263-001Z
10/16
C71
RDSSDA
R75
12k
C78
33p
0.1
C2
C3
C1
FSU
MPX
RDSSCL
D2
1SS355W-X
R76
2k
0.01
C73
C74
560p
47/6.3
C75
SSTOP
C721
0.1
C719
R4
SDA
R5
100
100
SCL
NJU7241F33-X
BR24L16F-W-X
IC703
R1
47k
C6
C5
C4
0.1
IC705
47/6.3
0.1
R761
390
C707
0.047
270
R756
R6
3.3k
R7
1k
C7
C8
0.1
C81
220/10
Q_OUT
C85
12
12
0.22
R3
R2
Q781
RT1P141C-X
270
MUTE
R757
C92
D71
4.7/25
R91
15k
R81
15k
C82
4.7/25
C91
MPX
AFS
1/50
Q71
C79
RT1N141C-X
D781
CRS03-W
C781
C783
C782
0.082
47/16
220/6.3
Q782
RT1P141C-X
D782
UDZW11B-X
6.8k
6.8k
R82
R92
C83
C93
SCL
SDA
CD_L
CD_R
TO SHEET 2
QGZ1601J1-15
TO CJ601
(SHEET 3)
CN701
0.1
C713
D701
CN702
QGA2006F1-02
0.1
0.1
UDZW6.2B-X
C711
C712
UDZW6.2B-X0UDZW6.2B-X
UDZW6.2B-X
UDZW6.2B-X
D702
D703
D704
D711
UDZW6.2B-X
D705
D706
C717
100P
5V_LCD_CLK
5V_LCD_DA
5V_LCD_CE
UDZW6.2B-X
UDZW6.2B-X
UDZW6.2B-X
D707
D708
D709
ST.REM
DETACH
ILL10V
ACC5V
ENC1
ENC2
KEY0
KEY1
KEY2
NRST
KEY0
KEY1
KEY2
SSTOP
4.7k
R748
C720
STAT
MCLK
AFS
4.7k
R750
3.3k
R740
100
R742
R745
47k
R744
47k
GND
4.7k
R752
D710C716
1SS355W-X
IC702
47/6.3
PST9121N-X
UDZW6.2B-X
S701
QSW1049-001Z
4.7k
SDA
SCL
MLD
100k
R737
MDATA
10k
R749
10k
R751
10k
R753
47k
R759
2.2k
R758
0.01
C715
D712
R760
100
D713
1k
1SS355W-X
R763
RST_IN
MUTE
MUTE
1k
R709
47k
Q_OUT
VPP
IC701
MN101C77FSA
0.1
C701
ROM.CORR
0.1
C702
C703 C704
47p 47p
R712
DETACH
R735
R736
2.2k
6.8k
3.3k
R707
R708
FSU
LM
MSW
6.8k
TD0
R766
0
R711
X701
QAX0667-001Z
EPROMDA
EPROMCK
TCLK
0
R767
RESET
R762
470
X702
R710
18p
18p
QAX0401-001
C705
C706
RST_IN
R754
4.7k
R755
100
100
R732
R731
4.7k
R730
4.7k
R729
100
100
R721
R719
10K
R716
10K
VDD3.3V
C708
0.033
1.5k
R717
Q703
RT1N141C-X
RT1N141C-X
PWR
CDON
R728
R727
2.2k
R715
100
FIL_VDD3.3V
L701
4.7u
C709
330/6.3
R768
2.2k
Q702
47K
R714
C718
R734
R718
5.6k
10/16
R733
R725
R726
22k
100k
100k
RDSSDA
RDSSCL
BLKCK
ST.REM
TEL_MUTE
47K
100k
R723
R724
R722
R720
ENC2
LCD_CLK
ENC1
LCD_DA
LCD_CE
0.15
C710
5v_LCD_CLK
LCD_CLK
R769
2.2k
LCD_DA
SW1
PSW
SW2
PS2
100k
47k
27k
PS2
5V_LCD_CE
LCD_CE
5V_LCD_DA
R7
2.
2-11
Page 15
4.7/25
C94
C84
4.7/25
TU-R
6.8k
6.8k
R82
R92
C93
TU-L
SCL
SDA
CD_L
CD_R
L
PS2
k
k
5V_LCD_CE
LCD_CE
5V_LCD_DA
R770
2.2k
C185
Q903
RT1N141C-X
CDON
PWR
VDD3.3V
10k
R713
15
R160
0.01
C186
100/10
C187
0.01
C184
10/16
R908
680
RT1N141C-X
Q902
R910
D906
1SS355W-X
2SA1530A/QR/-X
Q904
C722
RT1N141C-X
Q701
R907
2.7k
R909
TEL_MUTE
10/16
Q891
RT1N141C-X
680
47k
MUTE.CONT
Q901
2SA1530A/QR/-X
R905
4.7k
NJU7241F33-X
R891
22/16
22/16
IC704
C178
C171
C161
470p
C168
RT1N441C-X
R906
330/6.3
R892
1K47K
R172
39k
R162
47k
C891
0.1
470p
39k
C172
R173
4.7k
C162
Q912
D891
MC2836-X
RRO
D351
D341
RLO
0.15
2.2k
R174
4.7k
0.0047
C173
R163
0.15
C919
0.0047
C163
4.7/25
0.1
C174
C164
C165
0.1
2.2k
R164
Q911
2SA1530A/QR/-X
D905
220/10
22/16
C905
C903
C175
VDD5V
4.7/25
0.1
C920
4.7/25
C177
C167
4.7/25
0.01
C910
1SS355W-X
1SS355W-X
24k
39k
R912
R911
100/10
22/16
C909
C904
R351
820
R352
1k
R342
1k
R341
820
100
R190
30k
30k
R177
R176
30k
30k
R167
R166
1k
R901R903
9.1k4.7k
R902
C916
2.2/50
D903
1SS355W-X
0.1
10/16
100/10
C908
C906
C915
R191
IC171
0.01
C907
Q351
KTD1304-X
Q341
KTD1304-X
RLO
100
C179
4.7/25
NJW1192V-X
ACC.IN
CTRL
0.1
C911
R353
100
C351
100P
C341
100P
R343
100
RRO
47k
R178
R168
47k
C180
R180
4.7/25
C169
EXT
0.47
C182
0.47
0.47
C181
0.47
C183
27k
R181
27k
R183
27k
R182
27k
PIC.STBY
2200/16
1N5401-F64
QQR0703-001
IC901
AN80T71
C313
C315
C902
0.01
D901
L901
J321
QNN0519-001
IC301
LA4743K
LR+
LF+
LF-
LR-
C317
1/50
0.022
C308
0.1
C320
C321
C307
0.1
C311
22/16
100P
100P
C312
C314
C310
47/16
C316
100P
100P
0.1
C306
0
D904
CRS03-W
R303
3.3/50
R302
RF+
RR+
LR+
LF+
D971
RF-
RR-
LR-
LF-
RF-
RF+
C302
CRS03-W
C971
TEL_IN
QNZ0611-001
0.1
0.1
C305
RR+
RR-
100
R301
1.5k
R972
CN901
Q301
2SC3928A/QR/-X
C301
3.3/50
2.2K
D301
UDZS3.3B-X
R304
4.7k
47K
2.2K
R971
0.1
100/16
C309
C319
0.022
C318
1/50
B301
C352
C304
0.022
C303
0.022
C901
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
SHEET 1
2-12
Page 16
r
h
r
R
C39
K
k
CD servo control section
FEED-
FEED+
PSW
SPINDLE-
SPINDLE+
SW1
SW2
TRACKING+
TRACKINGFOCUS+
FOCUS-
LD
GND
MD
VR
VF1
VREF
VT1
GND
VT2
VCC
VF2
GND
FEED-
VF2
FEED+
RFVDD
GND
VT2
SW1
VT1
SW2
VF1
PSW
VR
SPINDLE+
LD
SPINDLEFOCUSVREF
FOCUS+
MD
TRACKING-
TRACKING+
CN501
QGB2027M4-22S
R565
C501
220/6.3
39k
R541
3.3K
3.3K
C533
C534
R509
R540
C524
560P
C525
0.022
C526
0.022
C532
0.33
3300p
R502R503
30k
R510
C535
8.2k
5.1k
1A3G-T1
R507
100k
0.1
D501
27K
1200p
R539
R538
C536
R508
3.3K
C555
R515
0.022
C517
C514
0.022
C512
47/6.3
15k
C515
0
0
R517
C513
C511
15k
R513
1800p
R516
R511
15k
2200p
6800p
R518
1K
15
R512
10
R514
5.6K
22
C518
68p
8200p
22
220/10
0.1
C530
2SB1322/RS/-T
C510
VREF
8200p
C529
C531
0.33
0.047
Q501
C509
3300p
C527
R545
R548
0.047
4.7k
R542
180p
C528
100/6.3
R500
R520
C503
C504
11k
R505
10k
R506
IC501
LA6242H-X
C505
220/10
C506
0.01
20k
R519
R569
18K
0
R568
150
C554
0.01
R553
C502
0.1
0
Q521
2SA1530A/QR/-X
C538
47/6.3
R554
47K
R556
R543
R544
8.2k
R501
C508
0.047
1k
1k
47/6.3
4.7
C537
2-13
A
Pa
W
su
Page 17
C555
501
3G-T1
07
R508
3.3K
7K
R515
539
538
C517
C586
2.2/50
R588 R590R584
30k
1.5k15k
C588
R586
100p
10k
C584
820p
R592
15K
R511
15k
5.6K
R512
C511
C515
0
0
R517
C513
1800p
15k
R513
R516
15k
2200p
6800p
R518
1K
10k
R514
5.6k
5.6K
C551
0.1
C552
0.1
C553
47/6.3
C583
820p
C585
2.2/50
IC581
NJM4565E-X
R535
R585
10k
R587
C587
100p
30k
10K
100k
C594
0.1
C592
R594
22k
100k
R589R583
R591
1.5k15k
22k
R593
C591
100/10
C589
47/6.3
R595
22
TO SHEET 1
IC521
C514
0.022
C512
0.022
47/6.3
C539
ARF
MN6627551CB
0.1
C540
680p
C541
0.015
C542
0.1
C543
C544
C545
C546
R558
1000p
0.082
0.1
220/6.3
82k
R559
47/6.3
820
C547
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
R566
0
C548
47/6.3
C549
X521
QAX0893-001Z
0
C521
0.1
C522
0.33
R524
1k
R525
1k
R526
1k
R527
1k
R528
1k
R529
1k
0.1
C550
0.1
R522
SHEET 2
2-14
Page 18
LCD & Key control section
D652
LCD1
QLD0390-001
S4
S3
S1
S10S9S8S7S6
S5
S16
S15
S14
S13
S12
S11
S22
S21
S20
S19
S18
S17
S28
S27
S26
S25
S24
S23
S34
S33
S32
S31
S30
S29
S40
S39
S38
S37
S36
S35
S46
S45
S44
S43
S42S2S41
COM3
COM2
COM1
S52
S51
S50
S49
S48
S47
S601
R601
S610
R602R603R604
8201.2k1.8k
R607
R608
820
1.2k
R613
1.2k
S616
R612
S608S609
820
KEY2
820
S606
S605S604S603
D636
D637
R638
R639
D641
D638D635
D639
R640
R641
330
330
D643
D642
D645
R642
R643
D647
D646
470
R644
R645
D649
D648
R649
R646
470
R631
D631
470
R606
KEY1
820
S607
820
R630
R611
KEY0
820
S613S614S615
D630
SML-310LT/MN/-X
R632
B635B634
R635
D632
D633
D634
R636
B633
0
B636
0
D644
R633
R634
00
R637
D640
330
R605
2.7k
S602
R609
R610
2.7k
1.8k
S611S612
2-15
Page 19
COM2
COM1
D652
D653
NSPW310BS/BRST/
390
R650
R649
R670
0
Q670
2SB624/4/-X
1K
R672
NSPW310BS/BRST/
390
Q671
RT1N141C-X
R671
IC681
RPM7338-V4
C682
D681
0.012
MA8062/M/-X
C681
4.7/6.3
10K
R682
470
R681
S44
S45
S46
S47
S48
S49
R661
2.2K
R662
2.2K
C663
D662
0.022
1SS355W-X
UDZW5.1B-X
5V_LCD_CE
R666
5V_LCD_CLK
R667
5V_LCD_DA
C662
R665
680p
R668
51K
R664
10K
47K
DIMOUT
180K
R663
10/6.3
D661
C661
S50
S51
S52
COM1
COM2
COM3
INH
OSC
10K
CE
10K
CLK
10K
DATA
S2
S1
S3S4S5S6S7
S42
S43
IC661
PT6523LQ-L
R687
47K
R688
47K
C686
S35
S36
S37
S40
S41
S38
S39
S9
S8
S11
S10
S12
S13
S14
0.022
JS686
QSW0976-001
100
R686
C687
0.022
C664
0.1
S33
S34
S32
S31
S30
S29
S28
S27
S26
S25
S24
S23
S22
S21
S20
S19
S18
S17
S16
S15
QGZ1601K1-15S
CJ601
ILL10V
ACC5V
REMOCON
ENC1
ENC2
DIMOUT
5V_LCD_CLK
5V_LCD_DA
5V_LCD_CE
KEY0
KEY1
KEY2
TO CN701
(SHEET 1)
SHEET 3
2-16
Page 20
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
R837
R838
CN801
C833
R805
C155
R561
D821
L562
R808
B852
B854
D825
C571
D824
D823
C823
C822
R804
C801
C803C804
IC151
R842
C574
R803
R570
C807
C802
X561
R809
C251
C573
D810
C720
X801
C567
R836
B830
R572
C568
R801
B834
R818
C564
R156
R834
R253
R252
C253
C565
B758
R832
IC801
C252
R577
Q793
B704
D793
R256
C255
R573
B757
Q701
D803
R254
L561
R563
R737
C256
R580
C712
R705
D805
R708
R798
D801
R503
B552
B553
C563
B554
R542
R548
R817
D802
C543
R546
C561
R564
R830
C542
R545
D804
R571
C559
R829
C528
R507
R550
R543
IC561
C562
R544
C514
R518
B522
R541
R516
R547
R791
C518
C529
B600
R820
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
D794
R512
C524
C560
C553
R905
C519
R540
R552
B755
C201
R826
R844
R906
R823
B560
R505
L501
C552
B
R813
B514
R841
R554
C891
B524
B557
B759
R840
E
C555
R558
Q541
R559
R843
C544
C556
C551
A
IC541
C714
C101
B831
R811
B556
C702
Q791
B832
R513
B601
R556
D892
C513
R557
B602
C700
R101
C102
Q891
C710
C704
R735
B752
R102
B525
C504
C557
B616
R725
C709
C716
R815
IC501
C725
C506
C701
R807
B551
C558
CN501
B612
R814
R891
C731
B608
D891
R892
R501
R502
R526
D792
D791
C732
R703
R794
R736
C717
C719
C715
C718
B703
C713
B454
R504
C330
R401
C505
A'
R525
C527
Q501
C703
C402
C502
R553
B606
B605
B603
C404
R302
R405
R320
D405
C806
R321
Q321
R322
C337
C318
C316
C403
R323
C327
C329
C432
B453
R404
R793
C408
C313
C435
R403
R822
D321
C433
Q792
R795
B452
C420
B457
B151
IC301
R910
C419
C320
R407
R909
Q902
R908
B753
C509
C510
C511
C507
R524
C526
RF
C501
B604
C328
B310
IC321
R797
C733
C319
R907
C547
B837
R408
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
R338
C302
C303
C314
C312
C904
R902
R325
C338
L701
D332
D333
R301
R336
C864
D866
D868
B922
C325
Q432
R828
Q332
Q861
D903
C852
C916
C335
C340
B354
R333
C546
B615
B898
C908
E'
C909
R901
C427
C317
C331
D851
R851
D852
C998
R904
C906
R334
C862
C907
D901
C851
C905
C902
CJ321
R434
R861
C910
R862
R903
Q862
C903
C914
D861
D867
C861
D905
C863
D869
CJ701
D904
B'
R911
C901
C341
IC901
C915
L901
CN901
2-17
Page 21
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
R752
D712
R770
C551
C552
R552
S701
Q701
R713
R769
R714
R717
R768
D891
Q891
R763
R892
R891
D701
D711
R733
R724
R725
R723
B549
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
C548
B754
B770
R525
R527
R528
C550
C77
X71
C528
R541
R566
C76
R718
R719
R710
R758
C720
R542
R759
D710
B758
C530
R715
C529
C78
C715
C722
B757
R716
Q702
C536
C705
C706
R721
Q703
C704
B759
C716
B552
C75
C535
X702
X701
C549
B769
B540
C545
B539
C540
C71
R524
R544
R543
B546
IC71
C72
C703
R712
IC702
R734
C707
R526
C539
B756
C542
B542
C541
R762
C718
R529
B541
R711
R727
R559
C533
C512
R545
R709
C544
C543
R558
R514
R513
R501
Q501
C531C532
R753
R751
C513
C534
R548
C73C74
R76
R749
C702
B537
R75
IC703
R520
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
B535
C503
R7
C584
B547
Q71
R708
B12
R754
R515
B761
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
D906
R910
R303
R3
C92
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
R740
D782
C783
C708
C591
C303
R4
C168
IC301
C719
C94
C310
C352
C782
C537
C538
C302
R10
Q782
C305
R9
C187
C167
R720
Q911
C182
A'
C316
R911
C183
R8
C184
IC171
R912
C920
Q912
C306
R167
R722
C588
R588
R586
C84
C1
R166
C315
C314
B179
R182
B177
R190
R191
R183
R589R590
R587
R585
C587
R594
R11
B178
R177
R176
IC704
B932
B933
C180
R181
C307
C313
C312
C11
B176
R180
B320
C181
C186
TU1
C185
C904
R352
D351
D341
R342
C177
C915
C919
B924
L1
Q341Q351
B923
C916
R304
D301
Q301
C178
B922
R301
D2
D1
D905
C321
C308
R168
R351
R353
C179
R902
C301
C317
C169
R160
C175
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
IC901
C341
R173
C172C173
R174
C903
R343
R341
D971
R971
R972
C971
B928
J1
B174
PP1
L901
CN901
C901
2-18
Page 22
Switch board
Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
Forward side Reverse side
R609
R639
R640
JS686 R602
S612
D636
S602
D640
R610
R638
D637
R637
D635
D631
B635
R605
R604
LCD1
D633
D632
R636
R635
B634
D634
B633
S601
B636
R611
R633
S614
S613
R634
D652D653
D630
D644
IC681
R665
R666
C662
C663
R644
R643
R646
R645
R612
R601
C664
CJ601
R606
R608
R607
R641
R642
S605
S609S610S611
S608
S603 S604
R603
D638D639
D641 D642
D643
D645
S616
D647
R613
D646
S615
D649
S607
D648
S606
R667
R668
R664
C661
D661
R663
R662
R661
R670
Q670
R671
C687
R686
C686
R681
C682
C681
R672
Q671
D662
R688
R687
R682
D681
R632
IC661
R631
R650
R649
D652D653
IC681
R630
JS686
2-19
Page 23
< MEMO >
Page 24
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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