JVC KDAR-270, KDG-220, KDG-227, KDG-321, KDG-323 Schematic
...
SCHEMATIC DIAGRAMS
CD RECEIVER
KD-AR270,KD-G220,KD-G227
KD-G321,KD-G322,KD-G323
KD-G324,KD-G325,KD-G326
KD-AR270,KD-G220
KD-G327
CD-ROM No.SML200512
Area suffix
J ------------- Northern America
KD-G227,KD-G327
Area suffix
EE -------- Russian Federation
KD-G321,KD-G322
Area suffix
E ------------- Southern Europe
EX ------------ Northern Europe
EY ------------- Eastern Europe
EU ------------------------- Turkey
UI ---------------------------- India
UT ------------------------- Taiwan
Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
UH ---------------------- Thailand
UN --------------------- Indonesia
U -------------------- Other Areas
Contents
Block diagram (For KD-AR270,KD-G220,KD-G227,KD-G323,KD-G324,KD-G325,KD-G326)
Standard schematic diagrams (For KD-AR270,KD-G220,KD-G323,KD-G324,KD-G325,KD-G326)
Standard schematic diagrams (For KD-G227))
Block diagram (For KD-G321,KD-G322,KD-G327)
Standard schematic diagrams (For KD-G321,KD-G322)
Standard schematic diagrams (For KD-G327)
Printed circuit boards
COPYRIGHT 2005 Victor Company of Japan, Limited.
KD-G323,KD-G324
Area suffix
KD-G325,KD-G326
Area suffix
2-1
2-2
2-6
2-10
2-11
2-15
2-19 to 21
No.MA236SCH
2005/12
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 ready
Steering remote ready
Power antenna
Telephone Muting
KD-AR270
KD-G220,KD-G227
YES
NO
NO
NO
KD-G321
KD-G322
NO
YES
NO NO
YES YES
KD-G323,KD-G324
KD-G325,KD-G326
NO
YES
NO
KD-G327
YESYES
NO
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.
VF1, VF2
VT1, VT2
MD, LD
VREF
TRP
FOP
SPOUT
TRVP
NRST,NPWDOWN
STAT,MLD,IRQ
MDATA,MCLK
CN701
TU1
FM/AM
TUNER
IC701
CPU
IC161
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
MUTE
LINEOUTMUTE
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
CN502
CN502
CN503
CN503
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
REMOCON
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
ENC1
ENC2
JS686
ENCODER
REMOCON
IC681
REMOCON
SD/ST
MONO
SSM,IFC
FM/AM
EO
FMOSC
S.METER
SEEK/STOP
IFC.COUNT
IFC
Block diagram (For KD-AR270,KD-G220,KD-G227,KD-G323,KD-G324,KD-G325,KD-G326)
2-1
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
R733
C311
R715
R718
Q782
Q31
Q902
X701
C703
C704
J1
R739
R740
IC701
C702
C323
C319
C705
CN901
R907
R732
R745
R712
C901
D301
C351
C96
C341
R729
R736
R315
Q351
R731
R730
C916
C302
C304
C303
C168
R303
R716
D901
IC161
C169
R760
Q783
D783
C164
R748
C163
C310
C309
R717
R166
R167
R177
R176
Q4
C363
R719
Q341
R363
R713
IC901
C178
Q6
C364
R304
D341
R364
R355
R301
C902
R341
R351
L1
C33
CN701
L901
R749
R302
R345
Q32
Q903
R342
D903
R91
R81
C716
TU1
R362
IC301
C362
C711
C331
C321
Q331
Q321
C307
C306
R335
R352
R902
R321
Q5
R331
R325
R322
R332
C783
R31
C301
D351
R704
R703
C316
C179
Q781
R11
C915
Q301
R756
R755
C32
R34
R35
R762
R33
R32
C784
D781
C782
D716
D904
C93
R735
R737
R738
C905
R743
R191
D4
D721
C909
C4
R906
R16
R910
C10
R5
C82
R708
C183
R905
R901
R903
C312
R727
L701
R707
C184
C910
D702
R37
C904
C908
R9
C914
C903
R311
C165
D784
C166
C176
R766
C194
C12
R162
C13
R172
C192
R765
R164
B315
R174
Q1
R13
R1
C6
C191
C701
R361
C83
R14
C1
C313
C361
R10
D6
D701
R3
C919
D905
D907
C8
C2
C3
C9
C7
D782
C81
C91
R909
R709
C31
R92
R82
D706
D906
D1
D2
R908
C314C315
D3
D715
D717
D714
D718
D719
D720
R918
C913
D713
R2
C308
C305
R711
R4
C907
C713
R911
R912
C92
C911
C715
R701
Q2
C906
D703
R751
D704
R753
R754
R752
D712
D711
R705
R706
R710
C781
R742
R12
C98
C175
R36
R6
C11
R741
47k
47k
10k
RT1P141C-X
2SC3928A/QR/-X
2SC3928A/QR/-X
QAX0406-001Z
22p
27p
QNB0190-001
10k
10k
LC723783-9D14
0.01
0.01
0.022
10/16
QNZ0611-001
12K
1K
47k
4.7K
UDZW3.3B-X
100P
0.01
100P
47k
10k
7.5K
KTD1304-X
10K
10K
2.2/50
4.7/25
0.022
0.022
0.47
1k
47k
1N5401-F64
TDA7419-X
0.47
2.2K
RT1P141C-X
1SS355W-X
0.47
47k
0.47
10/16
100/16
47k
RT1N141C-X
0.1
0
KTD1304-X
2.2
4.7K
AN80T71
0.47
2SA1530A/QR/-X
0.1
4.7k
1SS355W-X
2.2
2.2K
0.01
820
820
4.7u
2.2/50
QGZ1601J1-15
QQR0703-001
47k
2.2K
2SC3928A/QR/-X
2SA1530A/QR/-X
100
1SS355W-X
0.1
CRS03-W
QAU0394-003
2.2 0.1
0.1
100P
100P
KTD1304-X
KTD1304-X
QMFZ047-150-T
0.1
0.1
1SS355W-X
2.2K
100
1k
820
2SA1365/F/-X
820
2.2K
100
100
1SS355W-X
0.082
1k
1SS355W-X
47k
47k
0.1
0.47
RT1P141C-X
10k
100/16
2SC3928A/QR/-X
47k
47k
0.001
1k
10k
2.2K
1.5k
1k
0.082
1SS355W-X
47/16
UDZW6.2B-X
CRS03-W
1/50
4.7k
4.7k
4.7k
22/16
47K
0
1SS355W-X
UDZW6.2B-X
100/10
0.022
1K
47k
0.1/50
22k
3.3k
2.2/50
1K
9.1k
4.7k
100P
4.7k
4.7u
47K
2.2/50
0.01
1SS355W-X
0
22/16
100/10
22
0.1
22/16
47K
4.7/25
1SS355W-X
4.7/25
4.7/25
1.2K
10/16
47K
47K
0.01
1.2K
47k
0
47k
RT1N141C-X
10k
100
0.01
100/10
220/6.3
2.2
1/50
2.2k
220p
100P
0.1
22
1SS355W-X
1SS355W-X
10
10/16
CRS03-W
120p
47/16
0.1/50
220/10
0.1/50
UDZW10B-X
27K
3.3k
220/10
1SS355W-X
1SS355W-X
1SS355W-X
27K
100P100P
1SS355W-X
UDZW6.2B-X
UDZW6.2B-X
UDZW6.2B-X
UDZW6.2B-X
UDZW6.2B-X
UDZW6.2B-X
10K
0.22
UDZW6.2B-X
10k
0.1
0.1
10k
10k
0.01
0.1
2.2K
2.2K
220/10
0.1
3.3k
RT1N141C-X
0.1
1SS355W-X
10k
1SS355W-X
10k
10k
10k
UDZW6.2B-X
UDZW6.2B-X
10K
10K
47k
220/6.3
5.1k
1k
0.01
4.7/25
470
8.2k
47k
RF+
EO
SCL
MSW
IRQ
CD_L
KEY1
FLO
PSW
RR+
VDD
IFC
LR+
SW1
5V_LCD_CE
KEY0
RRO
SDA
FRO
SW2
RLO
LM
LF+
DETACH
CD_R
RF-
RR-
LR-
LF-
NPWDOWN
NRST
VOLMUTE
STAT
MLD
KEY2
SUBMUTE
DIMOUT
MDATA
MCLK
ACC5V
REMOCON
LM
5V_LCD_CLK
5V_LCD_DA
KEY0
KEY1
KEY2
NRST
ILL10V
LINEOUTMUTE
FM.OSC
ENC1
ENC2
DIMOUT
SDA
SCL
SD/ST
NPWDOWN
SW2
MONO
PSW
IFC.CONT
REMOCON
FM/AM
ENC1
MUTE
IFC
MONO
SEEK/STOP
S.METER
MUTE
FM/AM
RR-
CD_R
LF+
SD/ST
CD_L
5V_LCD_DA
SUBMUTE
MDATA
FLO
5V_LCD_CLK
RRO
LR+
LF-
LR-
5V_LCD_CE
RF-
DETACH
RLO
RR+
SW1
IFC.CONT
S.METER
ENC2
STAT
MCLK
FM.OSC
MSW
EO
RF+
SEEK/STOP
FRO
LINEOUTMUTE
VOLMUTE
MLD
IRQ
TO SHEET 2
TO CJ601 (SHEET 4)
Standard schematic diagrams
(For KD-AR270, KD-G220, KD-G323, KD-G324, KD-G325, KD-G326)
Main amplifier section
2-2
SHEET 1
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
R535
X521
ARF
IC521
D501
C534
C529
C530
R529
R528
R527
R526
R525
R530
C544
C543
C546
R558
C542
C541
C540
C539
R531
R532
C532
C531
C525
C526
C528
C524
R540
VREF
R533
R565
R543
R544
R534
R545
R548
R524
R586
R588 R590R584
R589R583
R587
R585
C587
IC981
C588
CN501
R521
R522
R537
C523
C586
C585
IC523
R561
C545
C538
C547
C548
C549
R591
R559
C527
R541
R542
C551
C552
R523
C522
C533
C537
R554
Q521
IC581
C981
R592
R593
C589
R594
C584
C583
C536
C535
R556
C983
C984
C982
R562
C590
C591
C592
10K
QAX0714-001Z
MN6627945EE
1A3G-T1
0.1
8200p
8200p
2.2k
2.2k
2.2k
1K
1K
4.7k
0.082
1000p
220/6.3
82k
0.1
0.015
680p
0.1
4.7k
4.7k
0.33
0.33
0.022
0.022
180P
560P
30K
27k
150
1K
1K
68k
3.3K
3.3K
2.2K
5.6K
27K
0
15k
0
15k 27K
5.6K
150p
NJU7772F15-X
150p
QGB2027M4-22S
1M
220
1.5M
100p
4.7/25
4.7/25
SN74LVC2G07V-X
QGZ2512M1-08
QGZ2512M1-10
1k
0.1
47/6.3
47/6.3
47/6.3
0.1
22k
820
3300p
39K
4.7k
0.1
47/6.3
4.7k
0.22
47/6.3
47/6.3
4.7
2SA1530A/QR/-X
NJM4565E-X
100/6.3
22k
22k
47/6.3
22k
820p
820p
47/6.3
0.1
47K
100/6.3
0.1
0.1
1k
47/6.3
100/16
0.1
GND
FEED-
VF2
FEED+
RFVDD
GND
VT2
SW1
VT1
SW2
VF1
PSW
VR
SPINDLELD
SPINDLE+
FOCUS-
VREF
FOCUS+
MD
TRACKING+
TRACKING-
FEEDFEED+
SPINDLE+
SW1
SPINDLE-
SW2
PSW
VCC
TRACKING-
TRACKING+
FOCUS+
FOCUSLD
GND
MD
VR
VF1
VREF
VT1
GND
VT2
VF2
TO SHEET 1
TO CN503
(SHEET 3)
TO CN502
(SHEET 3)
CD servo control section (1/2)
SHEET 2
2-3
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
CN502
CN503
R520
R500
R569
Q501
R507
R508
R509
R510
R511
R513
R515
R517
C505
C506
C518
IC501
C507
C512
C511
C514
C501
C510
C509
R505
R568
C508
R519
R506
C502
R501
R502 R503
R512
C513
R514
C515
R516
C517
R518
C503
C504
QGZ2512M1-10
QGZ2512M1-08
22
22
11k
2SA1705/ST/-T
15k
3.3K
100K
27K
15K
10k
15k
15k
47/16
0.01
68p
LA6242H-X
0.1
0.1
2200p
0.1
220/6.3
0.047
0.047
11k
7.5k
0.047
47k
30k
0.1
8.2k
8.2k 5.1k
5.6K
6800p
5.6k
0.0012
1K
0.0018
5.6K
220/10
0.1
TO SHEET 2
TO SHEET 2
CD servo control section (2/2)
2-4
SHEET 3
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
470
0
180K
1SS355W-X
390
10K
470
470
330
470
100
0.022
330
330
NSPW310BS/BRST/
470
UDZW6.2B-X
390
820
SML-310LT/MN/-X
NSPW310BS/BRST/
47K
RT1N141C-X
1K
2SA1365/F/-X
0
00
470
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
S10
S9S8S7S6S5
S1
S33
S34
S35
S36
S37
S38
S39
S40
S41
S42
S43
S44
S45
S46
S47
S48
TO CN701
(SHEET 1)
LCD & Key control section
SHEET 4
2-5
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
R733
C311
R715
R718
Q782
Q31
Q902
X701
C703
C704
J1
R739
R740
IC701
C702
C323
C783
C705
CN901
R907
R732
R745
R712
C901
D301
C351
C96
C341
R729
R736
R315
Q351
R731
R730
C916
C302
C304
C303
C168
R303
R716
D901
IC161
C169
R760
Q783
D783
C164
R748
C163
C310
R717
R166
R167
R177
R176
Q4
C363
R719
Q341
R363
R713
IC901
C178
Q6
C364
R304
D341
R364
R355
R301
C902
R341
R351
L1
C33
CN701
L901
R749
R302
R345
Q32
Q903
R342
D903
R91
R81
C716
TU1
R362
IC301
C362
C711
C331
C321
Q331
Q321
C307
C306
R335
R352
R902
R321
Q5
R331
R325
R322
R332
R31
C301
D351
R704
R703
C316
C179
Q781
R11
C915
Q301
R756
R755
C32
R34
R35
R762
R33
R32
C784
D781
C782
D716
D904
C93
R735
R737
R738
C905
R743
R191
D4
D721
C909
C4
R906
R16
R910
C10
R5
C82
R708
C183
R905
R901
R903
C312
R727
L701
R707
C184
C910
D702
R37
C904
C908
R9
C914
C903
R311
C165
D784
C166
C176
R766
C194
C12
R162
C13
R172
C192
R765
R164
B315
R174
Q1
R13
R1
C6
C191
C701
R361
C83
R14
C1
C313
C361
R10
D6
D701
R3
C919
D905
D907
C8
C2
C3
C9
C7
D782
C81
C91
R909
R709
C31
R92
R82
D706
D906
D1
D2
R908
C314C315
D3
D715
D717
D714
D718
D719
D720
R918
C913
D713
R2
C308
C305
R711
R4
C907
C713
R911
R912
C92
C911
C715
R701
Q2
C906
D703
R751
D704
R753
R754
R752
D712
D711
R705
R706
R710
C781
R742
R12
C98
C175
R36
R6
C11
R741
47k
22/16
47k
10k
RT1P141C-X
2SC3928A/QR/-X
2SC3928A/QR/-X
QAX0406-001Z
22p
27p
QNB0190-001
10k
10k
LC723783-9D14
0.01
0.01
0.082
10/16
QNZ0611-001
12K
1K
47k
4.7K
2200/16
UDZW3.3B-X
100P
0.01
100P
47k
10k
7.5K
KTD1304-X
10K
10K
2.2/50
4.7/25
0.022
0.022
0.47
1k
47k
1N5401-F64
TDA7419-X
0.47
2.2K
RT1P141C-X
1SS355W-X
0.47
47k
0.47
47/16
47k
27K
27K
27K
27K
RT1N141C-X
0.1
0
KTD1304-X
2.2
4.7K
AN80T71
0.47
2SA1530A/QR/-X
0.1
4.7k
1SS355W-X
2.2
2.2K
1.5k
0.01
820
820
4.7u
2.2/50
QGZ1601J1-15
QQR0703-001
47k
47K
2.2K
2SC3928A/QR/-X
2SA1530A/QR/-X
100
1SS355W-X
2.7K
2.7K
0.1
CRS03-W
QAU0394-003
2.2
LA4743K
0.1
0.1
100P
100P
KTD1304-X
KTD1304-X
QMFZ047-150-T
0.1
0.1
1SS355W-X
2.2K
100
1k
820
2SA1365/F/-X
820
2.2K
100
100
1SS355W-X
1k
3.3/50
1SS355W-X
47k
47k
0.1
0.47
RT1P141C-X
10k
100/16
2SC3928A/QR/-X
47k
47k
0.001
1k
10k
2.2K
1.5k
1k
0.082
1SS355W-X
47/16
UDZW6.2B-X
CRS03-W
1/50
4.7k
4.7k
4.7k
22/16
47K
0
1SS355W-X
UDZW6.2B-X
100/10
0.022
1K
0
47k
0.1/50
22k
0.0056
3.3k
2.2/50
1K
9.1k
4.7k
100P
4.7k
4.7u
47K
2.2/50
0.01
1SS355W-X
0
22/16
100/10
22
0.1
22/16
47K
4.7/25
1SS355W-X
4.7/25
4.7/25
1.2K
10/16
47K
47K
0.01
1.2K
47k
0
47k
RT1N141C-X
10k
100
0.01
100/10
220/6.3
2.2
1/50
2.2k
220p
100P
0.1
22
1SS355W-X
1SS355W-X
10
10/16
CRS03-W
120p
47/16
0.1/50
220/10
0.1/50
UDZW10B-X
0.012
0.012
27K
3.3k
220/10
9.1K
9.1K
1SS355W-X
1SS355W-X
1SS355W-X
27K
100P100P
1SS355W-X
UDZW6.2B-X
UDZW6.2B-X
UDZW6.2B-X
UDZW6.2B-X
UDZW6.2B-X
UDZW6.2B-X
10K
0.22
UDZW6.2B-X
10k
0.1
0.1
10k
10k
0.01
0.1
2.2K
2.2K
0.0056
220/10
0.1
3.3k
RT1N141C-X
0.1
1SS355W-X
10k
1SS355W-X
10k
10k
10k
UDZW6.2B-X
UDZW6.2B-X
10K
10K
47k
220/6.3
5.1k
1k
0.01
4.7/25
470
8.2k
0.01
47k
RF+
EO
SCL
MSW
IRQ
CD_L
KEY1
FLO
PSW
RR+
VDD
IFC
LR+
SW1
5V_LCD_CE
KEY0
RRO
SDA
FRO
SW2
RLO
LM
LF+
DETACH
CD_R
RF-
RR-
LR-
LF-
NPWDOWN
NRST
VOLMUTE
STAT
MLD
KEY2
SUBMUTE
DIMOUT
MDATA
MCLK
ACC5V
REMOCON
LM
5V_LCD_CLK
5V_LCD_DA
KEY0
KEY1
KEY2
NRST
ILL10V
LINEOUTMUTE
FM.OSC
ENC1
ENC2
DIMOUT
SDA
SCL
SD/ST
NPWDOWN
SW2
MONO
PSW
IFC.CONT
REMOCON
FM/AM
ENC1
MUTE
IFC
MONO
SEEK/STOP
S.METER
MUTE
FM/AM
RR-
CD_R
LF+
SD/ST
CD_L
5V_LCD_DA
SUBMUTE
MDATA
FLO
5V_LCD_CLK
RRO
LR+
LF-
LR-
5V_LCD_CE
RF-
DETACH
RLO
RR+
SW1
IFC.CONT
S.METER
ENC2
STAT
MCLK
FM.OSC
MSW
EO
RF+
SEEK/STOP
FRO
LINEOUTMUTE
VOLMUTE
MLD
IRQ
TO SHEET 2
TO CJ601
(SHEET 4)
Standard schematic diagrams
(For KD-G227)
Main amplifier section
2-6
SHEET 1
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
R535
X521
ARF
IC521
D501
C534
C529
C530
R529
R528
R527
R526
R525
R530
C544
C543
C546
R558
C542
C541
C540
C539
R531
R532
C532
C531
C525
C526
C528
C524
R540
VREF
R533
R565
R543
R544
R534
R545
R548
R524
R586
R588 R590R584
R589R583
R587
R585
C587
IC981
C588
CN501
R521
R522
R537
C523
C586
C585
IC523
R561
C545
C538
C547
C548
C549
R591
R559
C527
R541
R542
C551
C552
R523
C522
C533
C537
R554
Q521
IC581
C981
R592
R593
C589
R594
C584
C583
C536
C535
R556
C983
C984
C982
R562
C590
C591
C592
10K
QAX0714-001Z
MN6627945EE
1A3G-T1
0.1
8200p
8200p
2.2k
2.2k
2.2k
1K
1K
4.7k
0.082
1000p
220/6.3
82k
0.1
0.015
680p
0.1
4.7k
4.7k
0.33
0.33
0.022
0.022
180P
560P
30K
27k
150
1K
1K
68k
3.3K
3.3K
2.2K
5.6K
27K
0
15k
0
15k
27K
5.6K
150p
NJU7772F15-X
150p
QGB2027M4-22S
1M
220
1.5M
100p
4.7/25
4.7/25
SN74LVC2G07V-X
QGZ2512M1-08
QGZ2512M1-10
1k
0.1
47/6.3
47/6.3
47/6.3
0.1
22k
820
3300p
39K
4.7k
0.1
47/6.3
4.7k
0.22
47/6.3
47/6.3
4.7
2SA1530A/QR/-X
NJM4565E-X
100/6.3
22k
22k
47/6.3
22k
820p
820p
47/6.3
0.1
47K
100/6.3
0.1
0.1
1k
47/6.3
100/16
0.1
GND
FEED-
VF2
FEED+
RFVDD
GND
VT2
SW1
VT1
SW2
VF1
PSW
VR
SPINDLELD
SPINDLE+
FOCUS-
VREF
FOCUS+
MD
TRACKING+
TRACKING-
FEEDFEED+
SPINDLE+
SW1
SPINDLE-
SW2
PSW
VCC
TRACKING-
TRACKING+
FOCUS+
FOCUSLD
GND
MD
VR
VF1
VREF
VT1
GND
VT2
VF2
TO SHEET 1
TO CN503
(SHEET 3)
TO CN502
(SHEET 3)
CD servo control section (1/2)
SHEET 2
2-7
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
CN502
CN503
R520
R500
R569
Q501
R507
R508
R509
R510
R511
R513
R515
R517
C505
C506
C518
IC501
C507
C512
C511
C514
C501
C510
C509
R505
R568
C508
R519
R506
C502
R501
R502
R503
R512
C513
R514
C515
R516
C517
R518
C503
C504
QGZ2512M1-10
QGZ2512M1-08
22
22
11k
2SA1705/ST/-T
15k
3.3K
100K
27K
15K
10k
15k
15k
47/16
0.01
68p
LA6242H-X
0.1
0.1
2200p
0.1
220/6.3
0.047
0.047
11k
7.5k
0.047
47k
30k
0.1
8.2k
8.2k 5.1k
5.6K
6800p
5.6k
0.0012
1K
0.0018
5.6K
220/10
0.1
TO SHEET 2
TO SHEET 2
CD servo control section (2/2)
2-8
SHEET 3
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
470
QLD0402-001
180K
1SS355W-X
390
10K
470
470
330
470
100
0.022
330
330
NSPW310BS/BRST/
470
UDZW6.2B-X
390
820
SML-310LT/MN/-X
NSPW310BS/BRST/
47K
RT1N141C-X
1K
2SA1365/F/-X
560
0
00
1.2K
1.5K
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
S10S9S8
S7S6S5
S1
S33
S34
S35
S36
S37
S38
S39
S40
S41
S42
S43
S44
S45
S46
S47
S48
TO CN701
(SHEET 1)
LCD & Key control section
SHEET 4
2-9
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.
IC775
RESET
VF1, VF2
VT1, VT2
MD, LD
VREF
TRP
FOP
SPOUT
TRVP
NPWDOWN
NRST,IRQ
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
STEERING
STEERING
REMOTE
CABLE
FSU
SSTOP
TUSDA
TUSCL
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
CN502
CN502
CN503
CN503
TU_L
TU_R
RRO
RLO
VSDA
VSCL
ANT
J1 J321
IC901
REGULATOR
EACH BLOCK
SPK
BATTERY
CN901 CN761
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
REMOCON
LCD & Key control section
D630 to D649
D652,D653
LIGHTING
DISPLAY
S601 to S616
KEY MATRIX
JS686
ENCODER
ENC1
ENC2
REMOCON
IC681
REMOCON
For KD-G327
For KD-G321
and KD-G322
Block diagram (For KD-G321,KD-G322,KD-G327)
2-10
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
R726
R743
C783
Q782
C714
R181
C5
C701
C702
J1
D971
C82
CN761
C325
TP2
R325
R77
X702
C326
R732
CN901
R906
R746
R745
R758
R747
R765
R905
C901
D301
C351
R748
L701
R892
R742
C341
R737
R326
Q351
TP5
C302
C304
C303
C193
R303
R728
D901
TP6
C192
R78
R708
C8
C310
C179
L2
R702
R755
R191
R738
R171
R172
R193
R192
R182
R183
R306
R311
R76
R733
R734
TU1
Q341
C321
IC901
R305
C183
R304
D341
C92
R355
R301
C902
C317
D972
C318
R341
R351
L1
CN701
L901
B315
R302
R345
D782
C322
R761
R342
D903
R81
R91
X701
J321
C94
C84
IC301
R744
R2
C711
C712
C308
C307
C306
R74
C323
R352
R323
C324
R324
X71
R71
R766
R72
R767
R307
B6
C301
R310
R759
R760
D351
C891
R891
R739
D776
C316
S775
C182
R777
Q781
Q301
C169
R162
R161
Q911
R1
R762
IC701
R735
D722
C718
R719
R721
R736
R741
R740
R729
IC775
TP1
R775
R776
IC771
C771
IC801
R808
R807
R803
R804
R805
R806
R810
R809
R801
C801
C802
J801
R730
C705
D716
C85
R757
C911
C905
D781
D721
C909
C320
C319
R911
R712
R901R903
C312
C181
C910
R714
R716
TP3
TP4
R710
R713
C916
C904
C908
R82
C971
C903
R717
C919
C176
C175
C174
C719
C9
C6
C191
C188
R3
R754
R173
R176
R175
C311
C703
R711
C160
C3
C709
C704
Q912
C173
C163
IC171
C78
C313
C706
C168
C178
R4
R92
C782
C7
C2
Q74
C781
R709
C81
C91
C189
D3
C1
IC71
D1
D2
R912
C314
C315
D715
D717
D714
D718
D719
D720
C707
C83
D713
C93
C708
C305
C710
R902
C907
C713
R971
R972
C72
C76
C71
C75
C74
R73
C73
C172
C162
R75
C77
C177
D891
D892
R751
D712
D711
Q891
R166
R165
C915
R731
C4
R163
C167
C166
C165
C164
R753
R749
R750
R752
R724
R723
R722
R701
R707
R720
R727
R725
R756
C776
C775
D775
R771
R772
R802
R718
47k
100k
0.082
RT1P141C-X
0.1
47k
0.1
27p
27p
QNB0190-001
CRS03-W
1/50
QGA2006F1-02
0.1
2.2
2K
0.1
47k
QNZ0611-001
1K
220
220
47k
220
47k
1K
QEZ0769-278
UDZS3.3B-X
100P
220
4.7u
47k
2.7K
100P
2.7K
2.2
KTD1304-X
4.7/25
0.022
0.022
QFV91HJ-474Z
1k
47k
1N5401-F64
QFV91HJ-474Z
0
47k
0.1
10/16
4.7/25
0.22u
47k
47k
47k
47k
39k
4.7k
0
0
0
0
QMFZ047-150-T
1k
100
0
2.2k
22K
QAU0443-001
KTD1304-X
QFV91HJ-474Z
AN80T71
0
QFV91HJ-474Z
4.7k
1S S355W-X
QAM0682-001
1/50
2.2K
1K
0.01
1/50
CRS03-W
1/50
820
820
4.7u
QGZ1601J1-15
QQR0703-001
0
47K
2.2K
UDZW11B-X
0.01
47k
100
1SS355W-X
15K
15K
QAX0667-001Z
QNN0773-001
1/50
1/50
LA47201
10k
8.2
0.1
0.1
0.1
0.1
0.1
100
0.1
100
2.2
0.1
2.2
QAX0263-001Z
2.2K
47k
0
47k
7.5K
0
0.22/50
47K
47k
47k
1SS355W-X
0.1
1k
47k
UDZW5.6B-X
0.1
QSW1049-001Z
QFV91HJ-474Z
100
RT1P141C-X
2SC3928A/QR/-X
4.7/25
4.7k
39k
2SA1530A/QR/-X
8.2
4.3k
MN101C49KST
2.2k
UDZW6.2B-X
100P
47k
47k
47k
100K
10k
10k
S-80833CNNB-G-W
47k
2.2k
BR24L16F-W-X
0.047
SN74AHCT126PW-X
330
20K
100
20K
0
10k
100
22k
47k
0.047
0.01
QNZ0095-001
10k
0.1
UDZW6.2B-X
0.22
47k
0.1
22/16
QAX0401-001
1SS355W-X
UDZW6.2B-X
100/10
0.022
0.022
12K
4.7k
9.1k4.7k
100P
4.7/25
0.01
4.7k
0
4.7k
10k
2.2/50
22/16
100/10
6.8K
0.1
22/16
0
100/6.3
0.0047
470p 0.15
220/6.3
2p
0.1
4.7/25
100/10
3.3K
10K
2.2k
30k
30k
1/50
27p
10k
10/16
0.1
220/6.3
27p
RT1N141C-X
22/16
22/16
NJW1192V-X
0.01
100P
0.1
4.7/25
4.7/25
10K
6.8K
2.2/50
0.1
47/6.3
RT1N141C-X
220/10
10k
0.012
0.012
0.01
220/10
LC72725NM-X
1SS355W-X
1SS355W-X
27K
100P
100P
UDZW6.2B-X
UDZW6.2B-X
UDZW6.2B-X
UDZW6.2B-X
UDZW6.2B-X
UDZW6.2B-X
47p
UDZW6.2B-X
0.1
0.1
0.1
1k
0.01
0.1
2.2K
2.2K
330P
0.01
560p
33P
33P
2.2k
10/16
1/50
1/50
2K
47/6.3
0.1
1SS355W-X
1SS355W-X
4.7K
UDZW6.2B-X
UDZW6.2B-X
RT1N141C-X
30k
30k
10/16
100K
0.1
2.2k
0.1
0.0047
0.15 470p
10k
4.7K
4.7K
10k
10k
47K
47K
1K
1K
2.2k
10k
10k
10k
47/6.3
0.01
1SS355W-X
270
270
0
2.2k
SW1
RF+
POWER
RDSDA
PSW
CDON
PS2
INT
VSDA
REMOCON
RLO
DIMOUT
MSW
RR+
CD_R
VSDA
CD_L
MCLK
LR+
TU_R
PSW
VSCL
TU_L
LCDCE
RDSDA
RRO
CD_L
IRQ
LF+
DETACH
CD_R
RDSCL
RF-
RR-
LR-
LF-
LM
SW1
AFS
MCLK
MDATA
VSCL
POWER
MLD
NPWDOWN
STAT
STAT
SW2
NRST
SW2
MDATA
STEERING
LCDCE
MLD
REMOCON
PS2
LCDCLK
LCDDA
KEY0
KEY1
KEY2
CH_R
DETACH
STEERING
TUSDA
TUSCL
ENC1
ENC2
DIMOUT
INT
IRQ
RDSCL
SI
CH_L
I/O
SO
SCK
NRST
AGND
AFS
KEY0
Q_OUT
KEY2
KEY1
RRO
MUTE
LCDDA
CH_L
LR-
FSU
LF+
RF-
SSTOP
TUSDA
TUSCL
RR+
Q_OUT
RR-
SO
RLO
CH_R
LF-
SI
CDON
FSU
SCK
LCDCLK
NPWDOWN
LR+
RF+
ENC1
SSTOP
ENC2
MUTE
ERCLK
ERDI
I/O
ERDI
ERCLK
LM
MSW
TO SHEET 2
TO CJ601
(SHEET 4)
Standard schematic diagrams
(For KD-G321, KD-G322)
Main amplifier section
SHEET 1
2-11
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
R535
X521
ARF
IC521
D501
R538
C534
R539
R566
R529
R528
R527
R526
R525
C521
R530
R586
R588
C529
C544
C543
R590
C546
R558
C542
C541
C540
C539
R584
R531
R532
R589R583
C532
R587
R585
C587
C531
C525
C526
C528
C524
R540
C588
C586
C585
VREF
R533
R565
C530
R543
R544
R534
R545
R548
R524
IC981
CN501
R521
R522
R537
C523
IC523
CN503
CN502
R561
R591
C545
C538
C547
C548
C549
IC581
R559
R593
R594
R592
C584
C583
C527
R541
R542
C551
C552
C590
R523
C591
C592
C522
C533
C537
R554
Q521
C981
C536
C535
R556
C983
C984
C982
R562
10K
QAX0714-001Z
MN6627945EE
1A3G-T1
0
0.0033
0
10
2.2k
2.2k
2.2k
1K
1K
0.1
4.7k
10K
30K
8200P
0.082
1000p
1.5K
220/6.3
82k
0.1
0.015
680p
0.1
15k
4.7k
4.7k
1.5K
15k
0.33
30K
10K
100P
0.33
0.022
0.022
180P
560P
30K
100P
QTE1H54-225Z
QTE1H54-225Z
27k
150
8200P
1K
1K
68k
3.3K
3.3K
2.2K
NJU7772F15-X
QGB2027M4-22S
1M
220
1.5M
100p
SN74LVC2G07V-X
QGZ2512M1-08
QGZ2512M1-10
1k
10k
0.1
47/6.3
47/6.3
47/6.3
0.1
NJM4565E-X
820
100k
100k
10k
820p
820p
3300p
39K
4.7k
0.1
47/6.3
QTE0J57-476Z
4.7k
QTE1A57-107Z
0.1
0.22
47/6.3
47/6.3
4.7
2SA1530A/QR/-X
100/6.3
47/6.3
0.1
47K
100/6.3
0.1
0.1
1k
GND
FEED-
VF2
FEED+
RFVDD
GND
VT2
SW1
VT1
SW2
VF1
PSW
VR
SPINDLELD
SPINDLE+
FOCUS-
VREF
FOCUS+
MD
TRACKING+
TRACKING-
FEEDFEED+
SPINDLE+
SW1
SPINDLE-
SW2
PSW
VCC
TRACKING-
TRACKING+
FOCUS+
FOCUSLD
GND
MD
VR
VF1
VREF
VT1
GND
VT2
VF2
TO SHEET 1
TO CN503
(SHEET 3)
TO CN502
(SHEET 3)
CD servo control section (1/2)
2-12
SHEET 2
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
IC501
CN502
CN503
R520
R500
R569
Q501
R507
R508
R509
R510
R511
R513
R515
R517
C505
C506
C518
C507
C512
C511
C514
C501
C510
C509
R505
R568
C508
R519
R506
C502
R501
R502 R503
R512
C513
R514
C515
R516
C517
R518
C503
C504
LA6242H-X
QGZ2512M1-10
QGZ2512M1-08
22
22
11k
2SA1705/ST/-T
15k
3.3K
100K
27K
15K
10k
15k
15k
47/16
0.01
68p
0.1
0.1
2200p
0.1
220/6.3
0.047
0.047
11k
7.5k
0.047
47k
30k
0.1
8.2k
8.2k 5.1k
5.6K
6800p
5.6k
0.0012
1K
0.0018
5.6K
220/10
0.1
TO SHEET 2
TO SHEET 2
CD servo control section (2/2)
SHEET 3
2-13
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