JVC KW-XC828 Schematics
Block diagram
KW-XC828
J1
INLF
INLR
INRF
INRR
IC901
POWER
AMP
OUTLF+
OUTLFOUTRF+
OUTRFOUTLR+
OUTLROUTRR+
OUOTRR-
ANT CONT
VOLDA
VOLCL
OUTLF
OUTRF
OUTFR
OUTRR
FRONTL
REARL
FRONTR
REARR
IC911
REGULATOR
CH.L
CH.R
ANT
5
SEL
TEB
RFGC
TE,FE
RFDC
RF
RFRP
FMO
DMO
TRO
FOO
RWSEL
IOP
BUS0
BUS1
BUS2
BUS3
BUCK
CCE
DSPRST
LOAD
LD/FE
CDON
IC571
24bit DAC
DACML
DACMC
DACMD
DACCS
DSPRST
IC501
CPU
VA,VB
VE,VF
MD,LD
4
REST
REST
SWITCH
IC601
CD RF
IC621
D.SERVO
DSP
LOAD/FEED
MOTOR
SPINDLE
MOTOR
SW1,SW2
3
PICKUP
LOAD/FEED+
LOAD/FEED-
SPINDLE+
SPINDLE-
SW1,SW2
A,B,E,F
VR,MD,LD
FOCUS+
FOCUSTRACKING+
TRACKING-
CN601
LOAD/FEED+
LOAD/FEEDSPINDLE+
SPINDLETRACKING+
TRACKINGFOCUS+
FOCUS-
IC681
CD DRIVER
SW1,SW2,RESET
SDO
LRCK
BCK
BCK
LRCK
DATA
MP3RST
MP3DA
PM3CK
/BUSIO
BUSIO
BUSSI
BUSSO
BUSSCK
VOUTL
VOUTR
IC653
SRAM
IC652
MP3 DEC
DISCSEL
CDMUTE
CDREQ
B.DET
P.DET
IC503
J-BUS
BUFF
IC572
CD LPF
CD.L-CH
CD.R-CH
IO0~IO7
AD0~AD16
OE,CE,WR
BUSSI/SO
BUSCLK
CN601
CN501
FM/AMOSC
CD.L-CH
CD.R-CH
TAPE Lch
TAPE Rch
CH Lch
CH Rch
CDMUTE
CDREQ
CDRESET
B.DET
P.DET
BUSSI/SO
BUSCLK
DISCSEL
AUX.L
AUX.R
PLLCE
PLLDA
PLLCL
PLLDI
TU1
FM/AM
TUNER
SEEK/STOP
IC21
PLL
TU.L,TU.R
SD/ST
FM/AM
MONO
S.METER
IC951
E.VOL
IC701
CPU
SO,SI
I/O
BUSINT
BUSSCK
LCD
2
COM1~COM8
SEG1~SEG75
KEY0~KEY2
S601~S617
KEY
MATRIX
MMAIN MOTOR
SUB MOTOR
1
M
HEAD
1~4
CN403
CJ402
IC401
HEAD
AMP
IC501
LCD
DRIVER
IC502
REMOCON
TAPE IN,MOTOR
STANBY,REEL
FFREW
HEADSEL
DOLBY
MSIN
SCK
DATA
REMOCON
SUBMO
IC431
CPU
IC461
BUFFER
JP501
AUX IN
IC402
MOTOR
DRIVER
BUSSO
BUSSI
BUSSCK
BUSI/O
BUSINT
L-CH,R-CH
8V
PREQ
SI/SO
RESET
CN501
CN972
CN401
CN701
LCDCE,LCSCK
KEY0,KEY1,KEY3
BLED-CONT
I/O,LCD DATA
CHANGER
CONTROL
CN702
CN973
J801
BUS_SCK
SO,SI
IC761
JVC BUS
SI/SO
SCK
REQ
SCK
MOUT
ROUT
SI/SO
TAPE Lch
TAPE Rch
CH-Lch
CH-Rch
CN951
LINE OUT
CN911
SPK
BATT
ABCD E F G
2-1
KW-XC828KW-XC828
Standard schematic diagrams
Receiver & System control section
TU1
QAU0258-001
C281
4.7/25
C181
4.7/25
2.2k
2.2k
2.2k
1k
1k
1k
1k
1k
47k
1k
10k
10k
10k
10K
4.7k
1/50
2.7K
22/6.3
2.7K
1/50
4.7k
0.047
R85
390
R86
IC702
NAD0028-103X
3.3k
3.3k
R722
R723
12K
R142
C82
1k
C707
LCD-CE
LCD-SCK
LCD-DATA
BUS_SCK
B-LED-CONT
S_METER
KEY3
KEY2
KEY1
3.3k
R724
C291
1/50
C242
1/50
C142
1/50
C191
1/50
12K
CRS03-W
D84
R242
D83
1SS355-X
D82
1SS355-X
C83
22/16
C708
0.01
I/O
SO
SI
10/16
100/10
C952
C953
C956
270k
0.22/50
R87
C84
C709
0.01
ACC5V
L701
47u
AJ
CD8V
L702
100u
ILL
220/10
220/10
C714
47/6.3
C715
0.01
C930
C920
ON5V
TEL
Q920
UN2211-X
IC951
M61508FP-X
2.2/50
2.2/50
C247
C246
2.2/50
2.2/50
C146
C147
47k
R929
0.1
C926
R928
10k
CRS03-W
0.1
D933
C931
D914
R971
Q914
2SB709A/QR/-X
2.2/50
C248
C249
2.2/50
47k
R208
C148
2.2/50
C149
2.2/50
47k
1/50
C951
UDZ11B-X
CRS03-W
10k
D901
D932
R931
1SS355-X
47k
1/50
10/10
R109
R108
C954
C955
Q903
UN2111-X
100/16
100/16
C904
C944
0
0.1
0.1
10/16
220/10
C919
C918
C925
C922
5.6k
18k
R921
R922
C201
R221
20k
1/50
C202
R222
20k
1/50
47k
R209
C101
R121
20k
1/50
C102
R122
20k
1/50
1k
R904
D902
1SS355-X
Q901
C990
0.1
C927
UN2211-X
0.01
IC911
HA13164A
R926
15k
47k
0.01
3.3k
4.7k
22/16
22/16
22/16
R927
C915
C916
C917
C928
R923
R918
47k
Q911
UN2211-X
R915
R917
4.7k
C921
22/16
330P
C203
27k
27k
4.7/25
C905
R902
R903
D913
CRS03-W
D912
CRS03-W
R913R914
1k9.1k
2.2/50
C914
100k
0.1
C923
R916
330P
C204
2SD1048/6-7/-X
Q101
0.1
C913
IC901
LA4743K
330P
330P
0.01
C901
D201
R134
2SD1048/6-7/-X
Q102
100
3.3K
Q202
2SD1048
MA152WA-X
R234
3.3K
100
R162
QMFZ047-150-T
C902
47/16
C906
22/16
1k
1k
R232
R132
C911
2200/16
D911
1N5404-TU-15
100
R262
L911
QQR0703-001
C991
C992
C993
C994
C995
C996
C997
C998
C981
C982
C983
C984
100P
100P
100P
100P
100P
100P
100P
100P
0.1
0.1
0.1
0.1
CN911
QNZ0002-001
C103
C104
D101
MA152WA-X
1k
1k
R233
R133
3.3K
3.3k
R131
R231
Q201
2SD1048
2.2k
2.2k
R161
R261
100
R912
R911
C232
0.047
C131
0.047
QNN0175-001
CN951
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
Tuner signal
CN706
0.01
1SS355-X
47k
C792
D791
R791
C793
CD signal
Cassette signal
AUX IN signal
Front signal
CH-Rch
R291
C272
TAPE-Rch
CD-Rch
R241
D81
MA152WK-X
SD/ST
R739
1k
R740
10k
R714
R718
R717
R716
R715
KEY0
TU-Rch
AUXR
100k100k
R281R181
AUXG
C182
AUXL
TU-Lch
CD-Lch
R141
C172
TAPE-Lch
CH-Lch
R191
R84
12k
R82
180k
C81
1/50
47k
R83
22k
Q81
R81
2SD601A/RS/-X
47k
R736
R735
R734
R733
R732
R731
R730
R729
R728
R727
R726
R746
TH745
R725
R721
R720
R719
R745
3.3k
47k
47k
47k
47/6.3
2.2k
C791
R792
IC791
IC-PST9333U-X
IC21
TB2118F-X
LCD-CE
LCD-SCK
LCD-DATA
J1
QNB0100-002
J1
X21
QAX0616-001Z
R23
6.8K
C22
AUXL
AUXG
AUXR
KEY0
KEY1
KEY2
KEY3
ON5V
LRST
ACC5V
L1
4.7u
1SS355-X
1SS355-X
D1
R31
100
C36
0.001
C33
10P
R30
0.01
C32
10/16
C30
C31
0.047
C26
0.01
C25
0.01
22
R21
C21
220/10
0
R22
22/16
IFC
AJ
ILL
C929
L782
SI/SO
SCK
C782
1.8u
C781
L781
R782
1.8u
100
47k
R783
0.01
D2
C1
C37
0.001
Q2
2SB815/7/-X
10k
39k
R4
10k
R29
0.0027
C28
0.01
C29
0.047
R781
22k
C38
0.047
Q918
UN2111-X
0.01
D3
C27
R5
2.2k
10
R8
R925
27K
B-LED-CONT
Q919
UN2211-X
47k
100k
22k
R776
R775
R774
100
R777
R779
330
10k
R780
C771
220/10
C9
MA152WK-X
R784
22k
IC761
0.022
Q3
2SB815/7/-X
L21
47u
SI
SO
I/O
100k
R778
HD74HC126FP-X
C11
R7
0.01
C4
1k
Q4
UN2211-X
100
10k
10k
R1
R2
R9
S_METER
SEEK
FM/AM
C212
4.7/25
C112
R6
10k
4.7/25
0.018
0.018
C111
C211
R752
CMU
1k
47k
R753
R754
1k
0.01
C710
CRS
R759
R764
R766
R765
47k
R767
47k
R768
R769
47k
MOUT
R771
ROUT
R772
R773
BUS_SCK
UN2211-X
Q1
22k
0.01
330P
C8
R3
R10
220
C13
Q5
UN2211-X
R211
4.7k
R111
4.7k
1SS355-X
1SS355-X
1k
1k
10K
47K
R786
C6
C5
SD/ST
470
47P
12k
12k
R215
R115
D91
D92
47k
0.1/50
MONO
R11
IFC
C12
100P
C214
4.7/25
C114
4.7/25
680P
680P
C213
C113
TU-Lch
TU-Rch
Q91
UN2111-X
D90
1SS355-X
C91
47/6.3
TEL
LRST
VOLSCK
1k
1k1k2.2k
R744
R741
R742
R743
IC701
UPD784215AGC173
1k
R704
0.01
R705
220/10
C702
C701
C703
1k
R708
R707
10M
47k
820
R706
8P
27P
22P
27P
C705
C706
C704
X702X701
QAX0401-001QAX0617-001Z
R147
120k
R247
120k
PLLCE
PLLDA
PLLCL
PLLDI
1K
1k
1k1k1k
R710
R709
R711
R713
R712
REQ
CDREQ
Q701
UN2213-X
5
0
7P10P
B24
C35C34
0.001
C24
2.2k
R28
PLLCE
R27
2.2k
PLLDA
2.2k
R26
PLLCL
R25
4
TAPE-Lch
TAPE-Rch
VDD5V
CH-Lch
GNDM
CH-Rch
CD-Lch
CD-Rch
9V
CD8V
3
REQ
MOUT
ROUT
SCK
SI/SO
CMU
CDREQ
CRS
14V
PS2
MEMORY
CN701
QGB1004K1-20
2
2.2k
PLLDI
SEEK
ANT
MONO
FM/AM
R182
1k
R282
1k
47P
4.7k
10k
10k
C39
0.047
0.01
R24
R33
R32
C23
C20
D182
D181
L999
47
D921
UDZS6.2B-X
1
2-2
Rear signal
CD Changer signal
HABC DEFG
LCD driver & Operation switch section
KW-XC828
CN972
1.2k
R591
1.8k
S525
NSW0041-001X
QGF1016F3-15
S526
NSW0041-001X
R598
1.8k
R592
3k
R975
R593
5.6k
S527 S528
NSW0041-001X
R599
3k
NSW0066-001X
270
NSW0041-001X
S537
NSW0041-001X
CN971
QNZ0095-001
270
R974
0.1
C974
D575D576
D581
D569
D571
D573
D574
D570
D572
560
560
560
560
560
560
560
560
R572
R571
R574
R570
R569
R573
R576
R575
D582
820
820
820
820
820
R582
R581
R584
R583
R585
5
4
R587
R588
R589
NSW0041-001X
S523
820
R590
S524
NSW0041-001X
IC502
RPM6938-SV4
R509
10K
R508
3
47
C509
R510
4.7/6.3
WR502
NSW0066-001X
S520
WR501
680
S522
NSW0041-001X
680
CN973
QGF1016F3-21
D583
820
R586
CN702
QGF1016F3-21
CN601
QGB2027M4-22S
47u
L942
L941
10u
TAPE-Lch
GND
TAPE-Rch
VDD5V
CH-Lch
GNDM
CH-Rch
0.01
C941
C942
L804
B801
0
L801
CRS03
D801
L802
0.01
220/10
C804
C805
UN2211-X
47u
47u
Q943
UN2213-X
L803
10u
Q804
Q801
UN2211-X
0.01
C801
Q802S536
UN2213-X
0.01
C802
Q803
UN2213-X
0.01
C803
UN2211-X
UN2211-X
Q805
Q941
0.01
CD-Lch
CD-Rch
9V
CD8V
REQ
MOUT
ROUT
SCK
SI/SO
CMU
CDREQ
CRS
ON5V
14V
PS2
MEMORY
WR501WR502
S521
NSW0066-001X
R595
R594
680
R512
R511
47k
PJ501
QNS0180-001
2
QGB1004J1-20X
R501
R520
D520
MA152WK-X
D521
R521
1.2k
R522
470
SML-310LT/MN/-X
1.2k
R523
470
D522
820
R524
CN501
1
47k
0.0047
D524
820
820
820
R526
R525
0.0047
R513
C511
C512
470
C513
0.047
D533D534
D535D536
D537
D525
D529
D527
D531D532
D526
D528
D530
560
560
560
560
560
560
560
560
560
560
R536
R535
R531
R528
R527
R529
R530
R532
R533
R534
D561
D562
D538
560
560
560
560
560
560
R561
R562
R538
R537
R540
R539
NSW0066-001X
NSW0066-001X
NSW0066-001X
R517
22K
Q501
2SB815
220
R515
220
R516
D541
D542
NSPW310BS/BRS/
470
470
R542
R541
R543
680
S531
S532
NSW0066-001X
NSW0066-001X
R552 R553 R554
R551
620 820 1.2k
620
S502 S503 S504 S505
S501
NSW0066-001X
NSW0066-001X
R556
R555
620
620
S511
S512
NSW0066-001X
NSW0066-001X
D543
NSPW310BS/BRS/
NSPW310BS/BRS/
470
470
470
470
R545
R544
R546
R597
R596
1.2k820
S535
S534
S533
NSW0066-001X
NSW0066-001X
COM8
COM7
NSW0066-001X
NSW0066-001X
R518
UDZS9.1B-X
D501
2.2K
C502
C598
C599
C501
10/10
S513
COM6 SEG48
COM5
COM4
COM3
COM2
Q502
DTC114EKA
COM1
R503
0
C506
0.047
0.1
0.1
0.1
82k
C503
C505
R502
C507
C504
10/10
680P
SEG75
SEG73
SEG72
SEG71
SEG70
SEG69
SEG68
SEG67
SEG66
SEG65
SEG64
SEG63
SEG62
SEG61
SEG60
SEG59
SEG58
SEG57
SEG56
SEG55
SEG54
SEG51
SEG52
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG53
SEG23
SEG24
SEG25
SEG50
SEG49
SEG47
SEG46
SEG45
SEG44
SEG43
SEG42
SEG41
SEG40
SEG39
SEG38
SEG37
SEG36
SEG35
SEG34
SEG33
SEG32
SEG31
SEG30
SEG29
SEG28
SEG27
SEG26
SEG2
SEG75
SEG5
LCD1
QLD0229-001
SEG74
SEG7
SEG73
SEG9
SEG72
SEG13
SEG71
SEG14
SEG70
SEG15
SEG68
SEG18
SEG69
SEG19
SEG1
SEG22
SEG23
SEG26
SEG27
SEG30
SEG31
SEG33
SEG34
SEG35
SEG36
SEG37
SEG38
SEG39
SEG40
SEG42
SEG45
SEG47
SEG48
SEG49
SEG50
SEG51
SEG53
SEG54
SEG55
SEG56
SEG57
SEG58
SEG59
SEG60
SEG61
SEG62
SEG63
SEG64
SEG65
SEG66
SEG67
SEG3
SEG4
SEG6
SEG8
SEG10
SEG11
SEG12
SEG16
SEG17
SEG20
SEG21
SEG24
SEG25
SEG28
SEG29
SEG32
SEG41
SEG43
SEG44
SEG46
SEG52
COM8
COM7
COM6
COM5
COM4
COM3
COM2
COM1
SEG74
IC501
LC75878W
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG2
SEG1
SEG16
AUX IN signal
CD Changer signal
ABCD E F G
2-3
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