Page 1
KD-LX333R
SCHEMATIC DIAGRAMS
CD RECEIVER
KD-LX333R
CD-ROM No.SML200106
STDM
Contents
Block diagram
Standard schematic diagrams
Printed circuit boards
SOURCE
KD-LX333R
ATT
7
9
10
8
11
OFF
12
Area Suffix
E
EX
Continental Europe
Central Europe
2-1
2-2
2-3,4
COPYRIGHT 2002 VICTOR COMPANY OF JAPAN, LTD.
No.49715SCH
Jun. 2002
Page 2
< MEMO >
Page 3
Block diagram
KD-LX333R
IC151
CD LPF
L-CH
R-CH
J1
TU1
TUNER PACK
FM/AM
S.METER
SEEK/STOP
SD/ST
PLLCE
PLLD1
PLLCL
L-CH
R-CH
FMDET.ADJ
IC51
RDS
RDSDA
RDSSCK
AMAF
IC701
CPU
IC911
CD-L
CD-R
VOL-DA
VOL-CLK
DA1
CLK
BUSSI/BUSSO BUSINT,BUSSCK
RESET
E.VOLUME
IC951
REGULATOR
VCC
IC703
EPROM
IC702
RESET
LOUTF
LOUTR
LOUTF
LOUTR
IC771
JVCBUS
IC361
Lch
IC461
Rch
INFL
INFR
INFL
INFR
IC941
POWER AMP
IC961
REGULATOR
REAR L
REAR R
OUTFL ,OUTFR
OUTFL ,OUTFR
ACC
CH-L
CHR
Front speaker
Rear speaker
CN901
BATT
Line out
CN301
CN771
BUS0
BUS1
BYS2
BUS3
BUCK
CCE
RST
IC521
DSP&DAC
FOO
FRD
DMO
FMO
DOOR TRAY
CN503 CN504
CASW1
CASW2
CASW3
CN704
SLE,TEB,RFDC,RFBC
TE,RFBO,RFRP,FEO
IC581
CD&TRAY/DOOR
LOADINGDRIVER
IC501
RF AMP
VA,VB,VC
MD,LC
TR SP FE
LO FO
LCDDA,LCDDL,LCDCF1,LCDCE2,LCDRST
RSET,REMOCON,KEY1,KEY2
CN501
CD MECHA
CN701
CN601
REMOCON
LCDRST,LCDCE1
LCDCL,LCDDA
KEY2
INV
KEY0
KEY1
CN702
CN631
KEY0
KEY1
IC603
REMOCON
KEY SWITCH
IC601
LCD DRIVER
LED
LCD
2-1
Page 4
A
Standard schematic diagram
Main amp section
KD-LX333R
KD-LX333R
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
D
2-2
Page 5
Printed ircuit boards
Main board (Forward side)
5
C961
C998
C994
D1011
C997
C996
C991
D1013
C993
D1008
D1007
D1001
C995
D1002
D1003
C992
D1004
D1005
D1006
C942
C142
C144
IC941
R941
R146
C945
Q943
C944
4
3
D1012
C242
C241
R246
C141
R143
Q501
D1016
C941
D1010
R141
C501
R243
R145
CN503
R515
R243
D1014
D1015
C512
C409
R241
C243
a
1
D1009
2
828
C962
R979
R133
R134
C410
IC401
C408
C309
C308
C301
CN501
C533
R536
C534
R530
IC501
1
C407
C406
C506
R531
R532
R533
C302
10
C307
1
R821
CN901
R978
R597
R132
1
C310
C505
Q581
C401
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
C219
D351
25
C522
KD-LX333R
J1
L1
TU1
c
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
R219
C26
C10
C103
1
S653
S652
R165
IC21
20
C162
CN704
R28
C35
C36
C34
C37
C31
C758
10
C4
R14
C164
C203
C2
CN504
1
16
2
C756
CN701
C971
R119
C112
C21
C329
1
X21
IC323
C330
1
VDD
X701
D711
C823
C22
C7
Q321
Q322
C827
C102
R102
R202
C202
C161
IC703
S0
SI
R740
C709
R717
R709
C706
R708
R707
C708
RESET
b
BZ791
C791
S651
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
CN301
D701
CN302
C272
C273
C172
C173
R273
R275
IC171
1
C175
40
C355
R355
Q966
R211
D111
C574
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
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-LX333R
Main board (Reverse side)
R455
R583
R135
R177
C932
R543
R544
R555
R593
C120
R136
R171
R589
C547
C540
R912
R584
R236
C455
D965
R353
R235
C357
C525
Q232
R594
C545
C546
R911
C457
R595
R541
D962
C537
R451
C359
R358
R596
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
R511
C508
R304
R503
C509
R501
C504
R510
R303
C502
C513
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
FM-ANT
C3
D1
NC
FM
5
GND
R4
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
Q5
C1
GND
C33
FM VCC
13
VCC
14
GND
C106
C206
GND
NC
C11
R18
SNC
NC
VCC
D161
26
3
1
4
6
DX/L0
V t
R218
R118
C116
C216
R22
R167
Q702
R166
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
R5
C32
R1
Q6
R7
R8
Q8
R101
R201
Q2
R726
C715
3
R824
C825
R331
R330
R161
R822
L719
C721
C722
R328
R343
R724
R727
R333
R722
C326
R718
R327
C711
R725
TH700
R988
R336
R334
15
R335
R9
IC702
R702
C703
R329
C824
R732
R830
C331
14
C582
Q982
C966
R326
Q323
R327
R324
R323
R325
R344
R831
R828
R829
R733
R731
C707
C701
C702
C704
Q791
R322
R721
C755
C705
C322
R962
R826
C826
R751
R750
1
2
R773
D980
R748
D332
Q977
C336
R339
R274
D978
R276
Q979
R971
D963
R970
R965
Q967
Q965
R984
C951
R31
R782
C750
R775
L771
C771
R777
R776
R743
R746
R704
R742
R772
R524
L772
R954
C524
R523
C558
R779
R963
R951
R827
R23
R25
R24
C757
C720
R747
R749
R701
R781
R791
C555
R520
R153
R152
R521
R338
C153
R585
R277
R587
C556
C118
R173
R174
C174
R522
R354
R253
C337
R272
R586
R454
R592
R547
C549
R252
R176
C362
R581
C557
C354
C931
R175
R590
R172
R556
R582
R540
R545
C454
C351
C253
R591
R588
R525
R550
Front board (Reverse side)
CN631
R651
C
L613
C
L611
C611
6
C616
R675
R622
R647
R673
R672
C613
R626
R646
C623
R645
R613
R671
R654
E
R652
R653
D
Q612
L612
C612
C614
R613
R611
R631
Q611
R612
C615
2
262
A
R624
R623
CN601
D
1
R667
R668
R632
R650
R637
R638
R640
C606
100
R606
R605
90
80
R607
R676
A
R644
H
C617
R620
R643
R609
R628
R658
C608
C607
C609
R608
R627
D625
C610
R694
R636
R610
Q692
R641
Q691
C661
C662
R693
R691
PC602
R642
PC601
R629
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
2-4
AB CD
Page 7
< MEMO >
Page 8
KD-LX333R
VICTOR COMPANY OF JAPAN, LIMITED
MOBILE ELECTRONICS DIVISION
PERSONAL & MOBILE NETWORK BUSINESS UNIT. 10-1,1Chome,Ohwatari-machi,Maebashi-city,371-8543,Japan
(No.49715SCH)
200206
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