JVC KD-G120 - Radio / CD Player Administrator Guide

SCHEMATIC DIAGRAMS
CD RECEIVER
No.MA233SCH
2005/12
COPYRIGHT 2005 Victor Company of Japan, Limited.
Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
Area suffix
J ------------- Northern America
KD-G120,KD-G120R
Area suffix
E ------------- Southern Europe
EX ------------ Northern Europe
EY ------------- Eastern Europe
EU ------------------------- Turkey
KD-G161,KD-G162
Area suffix
UI ---------------------------- India
KD-G123,KG-G124
Area suffix
UT ------------------------- Taiwan
UH ---------------------- Thailand
UN --------------------- Indonesia
U -------------------- Other Areas
KD-G125,KD-G126
KD-G120,KD-G120R,KD-G123
KD-G124,KD-G125,KD-G126
KD-G161,KD-G162
KD-G125
KD-G126
KD-G120RKD-G120
KD-G123 KD-G124
KD-G125 KD-G126
KD-G161 KD-G162
KD-G162
KD-G161
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
2-1
2-2
2-5
2-6
2-9 to 11
CD-ROM No.SML200512

!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.
Difference point
Remote controller
Telephone Muting
KD-G120R KD-G161,KD-G162
NO
YES
NO
NO
YES
NO
KD-G120,KD-G123,KD-G124,KD-G125,KD-G126

2-1
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+
SPINDLE-
FEED+
FEED-
TRACKING+
TRACKING-
FOCUS+
FOCUS-
SPK
BATTERY
CN901CJ321
KEY0
KEY1
KEY2
LCD.SCK
LCD.SO
LCD.CE
REMOCON
ENC1
ENC2
LINE OUT
CJ701
CN001
FOCUS &
TRACKING
COIL
TRACKING+
TRACKING-
FOCUS+
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)

2-2
SHEET 1
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

2-3
SHEET 2
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+
FEED-
FEED+
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

2-4
SHEET 3
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
S3 S4 S5
S6
S7 S8
S9
S10
S49 S48
S2
S11
S1
S12
COM2 COM3
S47 S46 S4 S3
S13 S14
S15
S16
S45 S44 S43 S42 S2 S41 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 S10 S9 S8 S7 S6 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

2-5
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+
SPINDLE-
FEED+
FEED-
TRACKING+
TRACKING-
FOCUS+
FOCUS-
OUTL
OUTR
LINE OUT
CN001
FOCUS &
TRACKING
COIL
TRACKING+,
TRACKING-
FOCUS+,
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)

2-6
SHEET 1
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-X
0
UDZW6.2B-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

2-7
SHEET 2
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+
TRACKING-
FOCUS+
FOCUS-
LD
GND
MD
VR
VF1
VREF
VT1
GND
VT2
VF2
TO SHEET 1
CD servo control section

2-8
SHEET 3
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
S3 S4 S5
S6
S7 S8
S9
S10
S49 S48
S2
S11
S1
S12
COM2 COM3
S47 S46 S4 S3
S13 S14
S15
S16
S45 S44 S43 S42 S2 S41 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 S10 S9 S8 S7 S6 S5 S1
S33 S34 S35 S36 S37
S38 S39
S40 S41 S42 S43 S44 S45 S46 S47 S48
TO CN701 (SHEET 1)

2-9
D405
C101
C151
C152
C153
C155
C201
C251
C252
C253
C255
C256
C302
C303
C304
C308
C312
C319
C320
C313
C327
C328
C329
C330
C331
C402
C404
C408
C419
C420
C501
C502
C504
C505
C506
C507
C509 C510
C511
C513
C514
C515
C516
C518
C519
C520
C521
C522
C523
C524
C525
C527
C528
C529
C541
C542
C543
C551
C561
C562
C563
C564
C565
C566
B454
C568
C571
C572
C573
C574
R581
C576
C577
C701
C702
C703
C709
C710
C711
C712
B753
C714
C716
C717
C718
C720
C725
C731
C732
C733
C801
C802
C803C804
C807
C861
C862
C901
C902
C903
C904
C905
C906
C907
C908
C909
C910
C911
C914
R853
CJ321
CJ701
IC541
CN801
CN901
D321
D332
D551
C316
D791
D801
D804
B615
D861
D866
D867
D901
C891
D903
D904
D333
D792
D868
D869
C314
IC151
R557
IC561
IC801
IC901
L501
L561
L562
L701
L801
L901
Q321
Q332
Q432
Q501
Q541
Q701
D701
Q731 Q732
Q791
Q792
Q793
Q861
Q902
Q903
R101
R102
R151
R152
R153 R154
R156
R201
R202
R251
R252
R253
R254
R256
R301
R302
R304 R307
R308
R321 R322 R323
R333 R334
R336
R401
R403
R404
R407
R408
R433
R434
R436
R501
R502
R503
R504
R505
R506
R507
R508
R509
R510
R511
R512
R513
TU701
RF
R516
R518
R541
R542
R543
R544
R545
R546
R547
R548
R550
R596
R560
R561
R562
R563
R568
R569
R892
R571
R572
R573
R574
R575
R576 R577
R578
E
R805
R701
D702
R703
B616
R705
R708
R725
R735
R736
R733
R791
R792
R793
R794
R795
B612
D810
R798
R801
R803
R804
C403
R808
R809
R814
R811
R812
R813
R807
R815
R817
R818
R822
R823
R825
R826
R827
R828
R829
R830
R831
R832
R833
R834
R835
R836
R840
R841
C863
R861
R862
C915
R903
R904
R905
R906
R907
R908
R909
R910
R911
B703
R837
B453
X801
R838
C337
IC501
B752
C719
IC301
R405
Q862
C864
B704
R850
E'
B854
C340
B757
R842
C713
B759
D905
C715
B756
B758
R797
B755
B922
C341
R338
C546
R324
R326
B310
R325
C338
C324
C326
D802
D803 D805
C552
B457
C325
B514
C704
C700
C556
A'
C916
A
R320
B451
C553
C547
B604
B558
B898
R524
D851
C102
B522
R556
B452
R843
R844
R554
R891
R551
C317
C821 D821
D822
C822
D826
D827
D828
D824
B852
D823
D825
C833
R526
R570
R567
C202
D891
CN702
D708
C708
B552
B553
C567
B560
B608
B556
B557 C555
R766
B562
B554
R767
X561
B151
R553
B524
B837
D892
B525
B551
IC321
C334
C335
C434
B
C998
R564
R901
B853
C823
C435
C427
C332
C333
C432 C433
R580
C579
B354
R552
B601
B603
B834
B600
C558
B606
C557
D794
D793
CN501
R525
B605
B602
C526
C540
C570
C544
R558 R559
Q891
B831
B832
B830
D852
C852
R851
B'
C851
C318
R902
R737
R820
C805
C806
C560
R540
C559
C545
Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
Printed circuit boards
Main board (For KD-G120, KD-G120R, KD-G123, KD-G124, KD-G125 and KD-G126)

2-10
Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
Main board (For KD-G161 and KD-G162)
B301
C1
C4
C5
C6
C7
C8
C71
C72
C73C74
C75
C76 C77
C78
C81
C82
C83
C91
C92
C93
C161
C162 C163
C164
C165
C167
C168
C169
C171
C172C173
C174
C175
C177
C178
C179
C180
C181
C182
C183
C184
C185
C186
C187
C301
C302
C303
C304
C305 C306 C307 C308
C309
C310
C311
C312
C313
C314
C315
C316
C317
C318
C319
C321
C341
C351
C501
C502
C503
C504
C505
C506
C508
C509
C510
C511
C512
C513
C515
C517
C518
C521
C522
C524 C525 C526 C527
C528
C529
C530
C531C532
C533
C534
C535
C536
C537 C538
C539
C540
C541
C542
C543
C544
C545
C546
C547
C548
C549
C550
C551
C552
C553
C583
C584
C585
C586
C587
C588
C589
C591 C592
C701
C702
C703
C704
C705
C706
C707
C708
C709
C710
C711
C712
C713
C715
C716
C717
C718
C781
C782
C783
C901
C902
C903
C904
C905
C906
C907
C908
C909
C910
C911
C915
C916
C919
C971
CN501
CN701
CN702
CN901
D1
D2
D301
D341
D351
D501
D701
D702
D703
D704
D705
D706
D707
D708
D709
D710
D711
D712
D781
D782
D901
D903
D904
D971
IC71
IC171
IC301
IC501
IC521
IC581
IC701
IC702
IC703
IC705
IC901
J1
J321
L1
L701
L901
Q301
Q341Q351
Q501
Q521
Q781
Q782
Q901
Q902
Q911
Q912
R1
R2 R3
R4 R5
R6
B758
R75
R76
R81 R82
R91 R92
R162R163
R164
R166
R167
R168
R172 R173
R174
R176
R177
R178
R180 R181
R182 R183
R190
R191
R301
R302
R303
R304
R341
R342
R343
R351
R352
R353
R500
R501
R502 R503 R505
R506 R507
R508
R509
R510
R511
R512
R513
R514
R515
R516
R517
R518
R519
R520
R522
R524
R525
R526 R527
R528
R529
R535
R538 R539 R540
R541 R542
R543
R544
R545 R548
R552
R553
R554
R556
R558
R559
R565
R566
R568
R569
R583
R584
R585
R586
R587
R588
R589R590
R591
R592
R593
R594
R10 R9
R707
R708
R709
R710
R713
R714
R715 R716
R717
R718
R719
R720
R721
R722
R723
R724
R725
R726
R727
R728
R729 R730 R731 R732
R733
R734
R735
R736
R737
R740
R742
C9
B534
R748
R749
R750
R751
R752
R753
R754
R755
R756
R757
R758 R759
R760
R761
R901
R902
R903
R905
R906
R907 R908
R911
R912
R971
R972
S701
X71
X521
X702
R892
C784
B753
R891
B174
Q891
B538
B178
B923 B924
B321
B320
B921
B535
D905
B175
C891
Q71
C79
B9
C94
C84
D891
R7
B757
B179
B756
B928
B761
C721
C10
B550
B176
X701
R711
R712
R762
TU1
B754
R595
R763
B760
B925
R160
B533
D713
B548
C920
R744
C719
C720
A
A'
B549
B547
C785
Q903
B771
B539
C554
Q701
Q702
Q703
B759
B546
B540
B552
B541 B542
B532
B537
B536
C555
B922
B177
D71
C85
C594
PP1
C352
R766
R767
R8
R745
R768
R769
IC704
B769
C722
R770
B770
B932
B933
Q904 R909
R910
D906
B772
B12
B778
C11
R11

2-11
Switch board Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
D630
D631
D632
D633
D634
D635
D636
D637
D638D639
D640 D641 D642 D643 D645
D646
D647
D648
D649
D652D653
IC681
JS686 R602
R603
R604
R605
R606
R607
R608
R609
R610
R611
R613
R633
R634
R637 R638
R639
R640
R641
R642
S601
S602 S603 S604 S605
S606
S607
S608
S609S610S611
S612
S613
S614
S615
S616
LCD1
B633
D644
B634
B635
R635
R636
B636
C661
C662 C663
C664
C681
C682
C686
C687
CJ601
D652D653
D661
D662
D681
IC661
IC681
JS686
Q670
Q671
R601
R612
R630
R631
R632
R643
R644
R645
R646
R649
R650
R661
R662
R663
R664
R665 R666
R667
R668
R670
R671 R672
R681
R682
R686
R687
R688
Forward side Reverse side

Victor Company of Japan, Limited
(No.MA233SCH)
Printed in Japan
VPT
Mobile Entertainment Business Group Mobile Entertainment Category 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan