Page 1
KD-LX333
SCHEMATIC DIAGRAMS
CD RECEIVER
KD-LX333
CD-ROM No.SML200106
Contents
Block diagram
Standard schematic diagrams
Printed circuit boards
COPYRIGHT 2002 VICTOR COMPANY OF JAPAN, LTD.
Area Suffix
J Northern America
2-1
2-2
2-3,4
No.49722SCH
Jun. 2002
Page 2
< MEMO >
Page 3
A
Block diagram
KD-LX333
J1
ANT
LCDDA
LCDCL
LCDCE1
LCDCE2
LCDRST
CASW4
KEY0
KEY1
CN702 CN701
CN631
KEY0
KEY1
KEY
MARTIX
COM1~COM3
S1~S52
LCD
COM1~COM3
S1~S52
IC601
LCD DRIVER
IC602
LCD DRIVER
CASW5
LCDDA
LCDCL
LCDCE1
LCDCE2
LCDRST
TUNER PACK
IC21
PLL
IC821
CRUISE
VOL1
VOL2
KEY2
DOT
REMOCON
RESET
CN601
LED
MATRIX
TU1
FM/AM
FM/AM
FM/AMOSC
CRUISE
REMOCON
IC603
REMOCON
RESET
KEY2
KEY
MARTIX
TU-L
TU-R
SEEK/STOP
BANDIN
PLL-CK
PLL-DA
PLL-CE
FM/AM
BUS-SCK
BUS-SO
BUS-SI
BUS-INT
IC771
JVC BUS
IC701
CPU
E2PR-CLK
E2PR-DA-I
E2PR-DA-O
IC703
EEPROM
RESET
IC911
E.VOL
IC702
RESET
FIL
FIR
LOUTF
LOUTR
ROUTF
ROUTR
W.VO L
W-LPF1
W-LPF2
IC171
LINE IN
IC321
E.VOL
IC322
SWITCH
BUS0~BUS3
BUCK,CCE
RESET
TMK,TM1,TM0
DMK,DM0,DM1
LM0,LM1
CD-ON,REST
IC661
CD & TRAY
/DOORLOADING
DRIVER
LO ,TRAY
FO ,FE
SP ,TR
AU.IL
AU.IR
OP AMP
SUBW-L
SUBW-R
IC323
W.MUTE
DSP & DAC
MECHA
IC960
CD LPF
IC521
IC601
RF AMP
CN601
CD
CN302
IC301
DRIVER
IC401
DRIVER
CD-L
CD-R
LO
RO
FEO,RFRP,RFBO
RFBC,SEL,TEB
TEN,TEO,RFDC
TNI,TPI,FPI
FNI,MDI,LDI
AUX IN
SUB WOOFER
CH-L
CH-R
CN771
CD CHANGER
POWER AMP
FRONTL
FRONTR
REARL
REARR
LINE OUT
IC941
CN301
OUTFL
OUTFR
OUTRR
CN901
SPK
BATT
D
2-1
Page 4
Standard schematic diagram
KD-LX333
KD-LX333
2-2
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
TUNER SIGNAL
CD SIGNAL
CD CHANGER SIGNAL
FRONT SIGNAL
REAR SIGNAL
Page 5
Printed ircuit boards
Main board (Forward side)
5
KD-LX333
C961
R821
CN901
C998
C994
D1011
C997
C996
C991
D1013
C993
D1008
D1007
D1001
C995
D1002
D1003
C992
D1004
D1005
D1006
IC941
R941
R146
C945
C142
Q943
C942
C144
C944
4
D1012
C242
C241
R246
C141
R143
D1016
C941
D1010
R141
R243
R145
CN503
R243
D1014
D1015
D1009
C409
R241
C243
1
2
a
828
Q501
C501
C512
R515
3
R978
C962
R979
R133
C406
R134
C410
IC401
1
C408
C309
C407
C308
C301
C302
C307
CN501
10
C506
C533
R531
R536
R532
R533
C534
R530
IC501
1
R597
R132
1
C310
C505
C401
Q581
R131
D131
C402
C529
C403
C970
R231
R402
C305
C584
R352
R351
C306
C321
C301
R232
C405
C358
D231
R233
R234
D941
C459
C550
D961
C220
C583
C551
R340
20
C218
IC521
D451
20
D351
C219
25
C522
L961
C911
C912
1
30
C363
C119
C913
C356
C303
C451
C452
20
30
26
40
Q590
10
1
L522
60
C573
40
C552
C553
C554
C456
Q591
C172
40
D111
C574
CN301
D701
CN302
C272
C273
C173
R273
R275
IC171
1
C175
C355
R355
Q966
R211
R111
IC911
1
IC151
C523
R255
C251
C571
X521
R155
C982
C151
1
C252
10
C155
IC581
C581
R251
C254
Q983
R985
C952
C152
R151
C154
GND
C521
R527
L521
L524
C965
C964
C969
C212
C324
C977
C978
R337
L701
IC321
C325
C335
C710
C333
C334
R950
R739
90
IC771
C828
IC951
IC821
1
R757
R737
R730
R738
IC701
60
70
1
10
X702
C713
C156
1
C712
C719
VPP
100
1
CN702
1
R968
R341
IC961
R975
R981
Q981
C267
C323
1
C332
R342
R332
IC322
1
R825
C822
R823
R728
R734
R735
R720
50
L718
R729
R712
40
R711
R710
30
R706
R703
20
R705
CN771
TH981
R27
C971
R119
C112
C21
C329
1
X21
IC323
C330
1
C22
Q321
Q322
C827
C102
R102
R202
C202
C823
C161
IC703
S0
VDD
SI
R740
C709
R717
R709
C706
R708
R707
C708
RESET
D711
X701
R28
C35
C36
C34
R219
C26
C37
C31
C758
IC21
20
1
C7
C10
C103
S653
S652
R165
C162
CN704
C2
CN504
C756
10
C4
R14
C164
C203
1
16
2
CN701
b
BZ791
C791
S651
J1
L1
TU1
c
Front board (Forward side)
2
SEL
D635
S637
D645
D645
BBE
D636
S636
TP/PTY
D644
D628
DISP
S639
FL611
LCD1
D647
MODE/BAND
S635
1
VR621
D630
D634
D629
D633
82
1
AB C
D646
D628
TEST1
S638
SOURCE/ATT
S634
D641
D641
1/EQ
S633
D643
2/MONO
S632
D639
3
S631
4/INT
D638
S640
D637
5/RPT
S641
D637
6/RND
S642
D648
D650
OFF/EJECT
S643
S625
5
10
15
25
20
30
40
35
45
55
50
60
S623
D623
75
74
65
70
D624
S624
IC603
2-3
Page 6
KD-LX333
Main board (Reverse side)
R455
R583
R177
C932
R135
R543
R544
R555
R593
C120
R136
R171
R589
C547
C540
R912
R584
R236
D965
C455
R353
R235
C357
C525
Q232
R594
C545
C546
C457
R911
R595
R541
D962
C537
R451
R358
R596
C359
C536
C968
Q231
C543
C542
R452
C458
R458
R542
RF
C539
D967
C510
R513
R514
R401
R976
VREF
C538
Q131
Q132
R537
C507
C821
R977
R305
C515
R302
R512
R301
C511
16
1
R404
R403
R405
C508
R511
R304
R503
C509
C504
R501
R510
R303
C513
C502
R504
R506
R245
R502
R516
R508
R509
R244
R505
R507
C143
C244
Q942
R142
C940
9
8
C943
25
24
R144
R943
1
AM- ANT
C3
D1
NC
FM
5
GND
VCC
AM
C5
FM /AM
OSC
Q10
AM
V t
R10
L - CH
R - CH
SEEK / STOP
S. METER
4
SD / ST
MUTE DRIVIE
GND
FM
C39
R4
Q5
C1
GND
C33
FM VCC
13
VCC
14
GND
C106
C206
GND
NC
C11
R18
SNC
NC
VCC
26
FM-ANT
R5
Q6
Q8
Q2
D161
DX/L0
V t
C32
R726
C715
R7
R8
R201
3
1
4
6
R218
R118
C116
C216
R22
Q702
R166
R167
C937
R21
C38
C24
R29
C30
C27
C25
C28
C29
C29
L21
R32
C23
R6
R163
R162
Q161
R164
C163
Q701
R713
R723
R716
R715
R714
Q700
R700
R719
D3
R1
R101
3
R824
C825
R331
R330
R161
R822
15
R988
14
C582
Q982
C966
R335
R327
R328
R336
C326
R343
R333
R334
C711
R725
R724
L719
R722
C722
C721
R727
TH700
R718
R9
IC702
R702
C703
R329
C824
R732
R830
C331
R327
R344
Q323
R731
C704
R323
R324
R829
R325
Q791
R828
R326
R322
R831
R733
C707
C701
C702
R721
C755
C705
C322
R826
R962
C826
R750
R751
1
2
R748
R773
D980
D332
Q977
C336
R339
R274
D978
R276
Q979
R971
D963
R970
R965
Q967
Q965
R984
C951
R31
R954
C750
R742
R743
R746
R704
C524
C771
R777
R776
R523
R524
R775
L772
R782
C558
R779
L771
R772
R963
R951
R827
R23
R25
R24
C757
C720
R747
R749
R701
R781
R791
C555
R152
R520
R153
R521
R338
C153
R585
R277
R587
C556
C118
R173
R174
C174
R522
R354
R253
R272
C337
R586
R454
R592
R547
C549
R252
R176
C362
R581
C557
C354
C931
R175
R590
R172
R556
C351
C253
R588
R582
R525
R540
R545
C454
R591
R550
2-4
Front board (Reverse side)
CN631
L613
R651
C
C
L611
C611
6
C616
R675
R622
R647
R673
R672
R626
R646
C613
C623
R645
R613
R671
R654
R652
R653
D
Q612
L612
E
C612
C614
R613
R611
R631
Q611
R612
C615
2
262
A
R624
R623
CN601
D
1
R667
R668
R632
R650
R637
R638
R640
C606
R605
100
90
80
R607
R606
A
R676
H
R644
C617
R620
R643
R609
C608
C607
R628
R658
C609
R608
R627
C610
R636
D625
R694
R610
Q692
R641
Q691
C661
C662
R693
R691
PC601
PC602
R629
R642
R692
Q614
Q615
Q613
Q616
B
R630
R621
R648
R649
C
C631
R639
B
G
C632 R634
R633
1
20
10
30
40
50
60
70
IC601
1
AB CD
Page 7
< MEMO >
Page 8
KD-LX333
VICTOR COMPANY OF JAPAN, LIMITED
MOBILE ELECTRONICS DIVISION
PERSONAL & MOBILE NETWORK BUSINESS UNIT. 10-1,1Chome,Ohwatari-machi,Maebashi-city,371-8543,Japan
(No.49722SCH)
200206
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