JVC XV-421BK, XV-521BK, XV-523GD, XV-525BK Service Manual
XV-521BK/XV-523GD
XV-521BK/XV-523GD
XV-525BK/XV-421BK
XV-525BK/XV-421BK
SERVICE MANUAL
DVD VIDEO PLAYER
XV-521BK/XV-523GD
XV-525BK/XV-421BK
Supplement
(XV-521BK/XV-523GD)
J ------------------ U.S.A.
C ----------------- Canada
Area Suffix
Area Suffix
As for this model, a part of specification is changed because
of the performance improvement of the model which has already
been put on the market.
Therefore, this service manual is composed only of the change point.
1.Standard schematic diagrams(only System control circuit)
2.Printed circuit board(only Main board)
3.Parts list(only Main board)
Please refer to this service manual for the model to which the
performance is improved.
Moreover, to distinguish whether it is a model to which the performance
is improved, the sticker is pasted to the rear panel .
Please already refer to the issued service manual
(Issue No.20836 XV-521BK/XV-523GD/XV-525BK/XV-421BK) for other items.
When a green sticker had been pasted to rear panel, it is a model to
which the performance is improved.
REAR PANEL (This illustration is XV-521BK)
(XV-525BK/XV-421BK)
J ------------------ U.S.A.
Sticker
(Green)
This service manual is printed on 100% recycled paper.
COPYRIGHT 2000 VICTOR COMPANY OF JAPAN, LTD.
1
No.20836B
Dec. 2000
1-1
XV-521BK/XV-523GD
XV-525BK/XV-421BK
1-2
Standard schematic diagram
System control circuit
XV-521BK/XV-523GD
XV-525BK/XV-421BK
TP703
TX
K714
QQR0601-001Z
CS3
TP704
/NTSC
M.GND
R1716
1K
RSTE
DA_LRCK
SCK
DA_BCK
RXD
U2SDT
S2UDT
SCLK
REQ
BUSY
CPURST
D.GND
QQR0601-001Z
M9V
D.GND
D.GND
D3.3V
D5V
A.GND
1K
R1717
R1713
K710
TP705
K715
QQR0601-001Z
TP12
D734
ERA18-04-T1
FS2
100
MA
MB
R709
D709
Q709
C709
AVCO
AVCI
C728
R1701
R1702
R1703
CS3
RSTE
RXD
S2UDT
U2SDT
SCLK
BUSY
CPURST
R1709
R1710
1SS133-T2
D701
100/10
2.2K
2.2K
2.2K
1K
1K
R1704
10K
C706
0.1
IC-PST9140-T
1K
R701
C701
1/50
R1714
4.7K
X701
QAX0356-001Z
K716
QQR0601-001Z
PQ05RD21
IC711
C720
C710
0.1/25
470/10
BA6208A
IC712
D735
ERA18-04-T1
MT1
MT0
C727
220/10
470/16
220/16
R703
1M
K717
C713
100/16
C725
C726
QQR0601-001Z
R1715
10K
K719
QQR0601-001Z
R712
10
R721
R723
DA_DATA1
R724
DA_LRCK
R725
DA_BCK
R722
C711
QQR0601-001Z
1.5
C721
1.5
C714
470/6.3
R713
10
C705
0.1/25
CS0
CS1
CS2
TEST
TEST
CS3
2.2K
2.2K
2.2K
IC702
2.2K
R1706
R1707
R1708
4.7k
R702
R1726
R704
1K
C702
0.1/25
REQ
REMO
IC703
MN35505-X
470
470
470
470
470
K705
MC
MD
MB
MA
M1.M3
R1712
330
IC701
MN101C12GJA
CLOSE
OPEN
1K
1K
R1732
R1731
FS2
/NTSC
SCK
FLDATAO
FLDATAI
K720
QQR0601-001Z
R732
R717
470
10
470
R727
MD
470
M1.M3
R729
R716
3.3K
C718
C717
100/6.3
1.5
C715
1.5
C716
470/6.3
R715
10
AVCI
AVCO
R796
4.7K
FLRST
FLCS
FLCK
R731C730
3.3K0.22
18K
C731
0.01/16
R1730
1K
R1711
1K
R742
18K
R743
27K
27K
1000P
R741
R740
C740
R744
3.6K
18K
R752
18K
R753
27K
27K
1000P
R751
R750
C750
R754
3.6K
0.1/25
C735
AK93C45AF-W
IC791
18K
R745
R746
3.3K
220P
C741
R748 R761 IC741
1.1K 1.1K
IC741
R749
NJM4580D
3.6K
0.033
3.6K
C742
R747
18K
R755
R756
3.3K
220P
C751
R758
1.1K
IC751
R759
NJM4580D
3.6K
0.033
3.6K
C752
R757
0.01
C745
680P
820
R762
C744
IC751
C755
0.01
NJM4580L
R771
1.1K
680P
820
R772
C754
QQR0601-001Z
K706
QQR0601-001Z
K712
R782
220
NJM4580L
R783
220
220/16
220/16
C761
C762
18K
R764
R792
220
R793
220
220/16
220/16
18K
R774
C771
C772
47K
R797
C797
33K
0.01
R786
C746
R765
22/25
560
R766
27K
2200P
C756
R775
22/25
560
R776
27K
C778
6
CN701
QGB2027M4-22S
5
CN706
QGB2027M3-10S
A.GND
D5V
D3.3V
D.GND
M9V
M.GND
CN704
QGB2011M3-08
4
CN703
3
QGF1205C1-08
QJK021-050800
CN702
2
CN705
QGB2011M3-08
R708
Q791
KRA102M-T 1SS133-T2
D791
D792
C747
Q743
2SC3576-JVC-T
C757
2200P
Q753
2SC3576-JVC-T
MTZJ3.3B-T2
D793
47/25
330
R1724
R705
K718
C729
1SS133-T2
R767
150
R768
10K
R777
150
R778
10K
IC792
TC74HC08AP
R1720
75
C707 C736
J702
C722
R707
DOUT
C773
47/25
J703
R1723
1
Digital audio signal path
Audio signal path
BC
DE
F
G
HA
I
1-3
Loading...