Block diagrams
Standard schematic diagrams
Printed circuit boards
231
MENU
564
ENTER
7/P
89
+10
10/0
0
2-1
2-3
2-13 to 18
COPYRIGHT 2003 VICTOR COMPANY OF JAPAN, LTD.
No.MB103SCH
2003/12
In regard with component parts appearing on the silk-screen printed side (parts side) of the PWB diagrams, the
parts that are printed over with black such as the resistor ( ), diode ( ) and ICP ( ) or identified by the " "
mark nearby are critical for safety.
(This regulation does not correspond to J and C version.)
Block diagrams
SPK1
SPK2
CENTER
SURR-R
SURR-L
SURR-BACK
AV CONPU LINK
COMPU LINK
Monitor OUT
STB
DVD
FW881
CN881
CN701
CN711
Q761
Q763
Lch
CN714
LRRLC
CN731
CN390
CN389
VIDEO3, 4
CN205
S-VIDEO
L
RY831
CN823
CN813
RL
R
RY851
Cch
RY852
CSBSRSL
CN703
CN713
Q1751
Q1752
CN722
RY853
CN824
CN814
SR
SL
CN704CN723
CN718
Q1951
Q1952
CN717
SB
R
L
RY832
CN702
CN712
Q762
Q764
Rch
CN719
CN732CN733CN734CN735
IC396
IC397
IC398
IC399
IC384
IC381
IC382
IC383
IC380
SW
SL/SR
L/R
SB
C
VIDEO
CN501
L/R
C
SL/SR
SB
DSP
CN381
FL/FR
AUDIO
SBch
SL/SR
IC304
IC386
CN705CN706
CN715
Q1851
Q1853
SLch
J1490
7.1ch PREOUT
FRONT
C/SW
SURROUND
SURROUND BACK
DVD-RS
DVD-LS
DVD-SW
DVD-C
CN716
Q1852
Q1584
SRch
KEY
DT400
FL DISPLAY
IC400
SYSTERM
CONTROLLER
CN240
CN241
DATA
VIDEO3, 4
CN200CN204
CN601
DATA
DSP CLK
CPU
IC901
CN201
CN587CN581
DATA
DATA
CN303
CN313CN371
CN410
CN314
TO
TUNER
CN400
2-1
Video section
DVD
TV/DBS
DATA
CN200CN204
S-Video section
DVD
IC241
SW
DATA
C
N
240
R
VCR1
P
R
VCR2
P
MON
DSP section
DIGITAL
IN1
DIGITAL
IN2
DIGITAL
IN3
DIGITAL
IN4
DIGITAL
OUT
IC201
CONTROLLER
DIR & CODEC
IC551
IC501
DSP
IC511
F ROM
CN406
SW
IC581
DSP
AV-VCR, DCS
VIDEO 3,4
IC571
DAC
IC561
DAC
IC512
SRAM
VIDEO
DSP_IN_R
DSP_IN_L
DSP.L, DSP.R
IC513
SRAM
DATA
DSP_LS
DSP_RS
DSP_C
DSP.SrBK
IC514
SRAM
CN206
CN587
CN581
TV/DBS
R
VCR1
P
R
VCR2
P
MON
Audio signal input section
DVD F
CN313CN371
TO TUNER
CN314
TV/DBS
VCR1 REC
VCR1 P.B
VCR2 REC
VCR2 P.B
CD
DATA/CLK
SOURCE SELECTOR
IC371
TUNER
FRONT AUDIO
TAPE REC
TAPE P.B
CDR REC
CDR P.B
PHONO
IC242
SW
C
DATA
N
244
DATA/CLK
CN351CN415
SOURCE SELECTOR
IC302
AUDIO2
2-2
Standard schematic diagrams
e
Power supply section
!
CN82
QGB2510K1-06
CN72
QGB2510K1-06
CN402
QGF1205C1-05
CN71
QGB2510J1-06
C69
0.047MY
C68
0.047MY
R74
100k
C74
1/50
QUM135-10DGZ4
D75
MTZ8.2JC
CN811
FW51
QGA3901F2-03
Q74
KTC3200/GL/
CN55
QGD2501C1-05Z
Q71
KTA1046/Y/
C73
22/50
R73D74C72
MTZ36JC
22k
F61
!
F62
!
R61
!
D61
10E2-FD
!
D63
10E2-FD
C65C66
3300/351000/35
D73
11ES2-T4
3.3k
R72
C71
100/63
22/50
8.2
11ES2-T4
D62
!
C63
0.1MY
C70
220/50
D71
11ES2-T4
D72
11ES2-T4
C62C61
0.1MY0.1MY
D64
11ES2-T4
!
TH71
QAD0095-4R7
131
132
113
112
111
123
122
121
134
133
D51
!
!
11ES2-T4
C51
0.0047/100
11ES2-T4
!
C52
470/63
F2
T2
QQT0281-004
!
D52
D54
11ES2-T4
R51
15k
11ES2-T4
1SS133
D57
!
PW10
PW11
PW12
PW13
PW14
PW15
PW16
R53
R52
!
6.8
3.3k
MTZ12JC
C1
0.0047
!
RY1
QSK0098-001
Q51
2SD2395/EF/
C53
0.0047
D55
PW21
PW22
PW23
PW24
PW25
R54
820
C54
470/16
Q53
KRC105M
KTD863/Y/
C55
Q52D53
0.0047
D56
MTZ6.2JB
!
F4
!
VS1
QSW0812-001
PW28
PW29
PW40
PW20
PW17PW27
PW26
PW18
PW19
PW30
EP1
!
F1
TA1
TA2
!
Parts are safety assurance parts.
When replacing those parts mak
sure to use the specified one.
POWER SUPPLY
MAIN & SPEAKER TERMINAL
AUDIO AMP (FRONT CHANNEL)
AUDIO AMP (CENTER, SURR, S-BACK CHANNEL)
AUDIO SIGNAL INPUT
VIDEO/S-VIDEO SIGNAL INPUT
I/O
FRONT KEY/SYSTEM CONTROL
MICON
DSP
EP51
SHEET 1/10
2-3
Main & Speaker terminal section
QGB2510J1-10
QJK012-032403
CN801
R855
R854
MTZ5.1JC
100k
C845
R833
10
C835
0.022
10
R885
C885
0.047
10
R888
C888
0.047
C887
0.047
10
R887
10
R889
C895
0.047
C850
4.7/50
D841
3.9k
R831
33
D851
RY851
D853
QSK0149-001
R851
12
1SS133
R886
12
1SS133
FW931
QUM217-08DGZ4
R852
33
R832
33
QSK0149-001
1SS133
1SS133
D852
D831
1SS133
D832
CN823
CN824
QGK015-073202
RY831
RY832
QGK015-063001
RY852
RY853
J91
CN702
CN704
C801
D801
30DF2-FC
D803
C807C808
100k100k
30DF2-FC
C805
C802
D802
30DF2-FC
30DF2-FC
D804
6800/716800/71
R801R802
CN701
QGB2510J1-12QGB2510J1-12
CN703
QGB2510J1-10
C816
47/25
D816
MTZ18JC
R816
3.3k
12
R815
Q811
R812
3.3k
KTC3200/GL/
2SD2395/EF/
D811
Q812
R813
R811
C811
0.0047
R814
10k
47k
QGB2510J1-12
CN705
CN723
QGA2501C1-04
10/25
C824
Q825
KTA1268/GL/
10k
R825
Q824
KTC3200/GL/
R823
10k
R826
100k
47/16
Q823
130k
R824
C823
KTC3199/GL/
CN831
R841
R842
R843
R844
R845
R846
1SS133
D825
CN706
QGB2510J1-12
100k
82k
100k
100k
82k
100k
33
R871
QGD2501C1-04Z
CN813
QGA3901C1-06
L843
0.45
B6001
L844
L845
L846
D871
1SS133
CN814
0.45
QGA3901C1-07
B6002
0.45
B6004
0.45
B6003
RY871
QSK0109-001
CN881
QGD2501C1-03Z
FW881
QUM133-44DGZ4
470
R91
R92
C91
C92
470p
470p
470
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
220p
C836
R834
C847
220p
D845
1SS133
D846
1SS133
D848
1SS133
KRC109M
C833
0.022
C834
0.022
220p220p
0.022
10
C842C841
220p
C846
10
220p
R837
C843
C837
0.022
C839
0.022
C838
220p
0.022
10
R838
C844
220p
C848
C881
C891
220p
0.001
220p
C886
220p
C890
C892
C884
220p
0.001
220p
C889
C893
C883
220p
0.001
C897
C898
220p
0.01
220p
C894
220p
C896
220p
C899
R868
4.7k
4.7k
4.7k
R861
R858
Q830
KRC109M
R865
4.7k
Q833
KRC109M
Q834
ST831
C840
0.022
ST851
ST852
Q832
KRC109M
Q836
KRC109M
Q839
D847
KRC109M
1SS133
R864
C454
4.7k
4.7/50
Q831
KRC109M
C852
4.7/50
R866
4.7k
22k
R862
D843
1SS133
D844
1SS133
D842
1SS133
C851
C853
4.7/504.7/50
R863
Q835
Q837 Q838
KRC109M
KRC109M KRC109M
22K
R867
22k
22k
R859
R856
6.8k
R857
R860
6.8k
6.8k
R869
R870
4.7k
2-4
SHEET 2/10
Audio amp. section (1/2)
CN714
QGA2501F1-02
R701 C701
10/35
2.2k
C703R703
100k
100p
2k
D701
1SS133
C705
100P
Q701
2SC2240-BL/AB/
R707R705
2k
Q703
2SC2240-BL/AB/
R709
9.1k
C711
R733
C751
47p
R761
D771
1SS133
D773
1SS133
R775
R777
10
R771
390
200
200
R773
390
R763
10
C753
47p
150
R721
Q707
KTA1268/GL/
1.5k
R725
Q705
0.01
KTA1268/GL/
220
C717
5.6k
R717
10k
R719
390
R723
390
D703
1SS133
R731
22P( 500V)
33k
R727
C713
C715
Q709
KTA1268/GL/
68p
68p
C709
10p
R715
100k
R711
Q711
KTC3200/GL/
390
C707
100/16
R729
C745
C741
47/100
47/100
C719
0.0047MY
VR787
500
R783
620
Q781
2SD637/QR/
R781
390
R789
270
TH783
QAD0012-202
Q771
KTC3200/GL/
Q773
KTA1268/GL/
!
Q761
2SD2390/PY/-F6
R779
0.22( 7W)
R795
!
Q763
2SB1560/PY/-F6
R787
Q791
KTA1268/GL/
C795
0.022
1k
15k
R797
D791
1SS133
47k
R791
33
L791
1u
R793
10
C791
0.047
C793
0.047
CN711
QGB2510K1-12
CN719
QGA2501F1-03
C702
R702
10/35
2.2k
C704
100p100k
R704
R706
2k
D702
1SS133
C706
100p
Q702
2SC2240-BL/AB/
R708
2k
2SC2240-BL/AB/
R710
9.1k
Q704
C712
R734
C752
47p
R762
D772
1SS133
KTC3200/GL/
KTA1268/GL/
D774
1SS133
R776
200
R778
200
R772
R774
10
390
390
R764
10
C754
47p
150
R722
Q708
KTA1268/GL/
1.5K
R720
R726
Q706
KTA1268/GL/
5.6k
C718
22P( 500V)
10k
390
R724
390
D704
1SS133
R732
33k
R728
C716
C714
68p
68p
390
R730
Q712
Q710
KTA1268/GL/
R712
KTC3200/GL/
C710
10p
R716
100k
C708
100/16
C746
C742
47/100
47/100
C720
0.0047MY
VR788
500
R784
620
Q782
2SD637/QR/
R782
390
0.01
220
R718
R790
270
TH784
QAD0012-202
Q772
Q774
!
Q762
2SD2390/PY/-F6
R780
0.22( 7W)
R796
!
Q764
2SB1560/PY/-F6
R788
Q792
KTA1268/GL/
C796
0.022
1k
15k
R798
D792
1SS133
47k
R792
33
L792
1u
R794
10
C792
0.047
C794
0.047
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
CN712
QGB2510K1-12
SHEET 3/10
2-5
Audio amp. section (2/2)
CN722
QGA2001F1-02
R1721
C1713
R1703
2k
D1701
1SS133
C1701
R1701
2.2k
R1801
2.2k
C1703
1/50
Q1701
2SC2240-BL/AB/
R1705
12k
R1702
C1702
68k
100p
R1805
2k
D1801
1SS133
C1801
C1805
1/50
Q1801
2SC2240-BL/AB/
R1809
12k
R1803
C1803
68k
100p
Q1702
2SC2240-BL/AB/
Q1803
2SC2240-BL/AB/
R1712
56k
C1705
5p
R1711
330
C1704
100/16
100/16
R1813
56k
C1809
5p
R1811
330
C1807
100/16
220
100/16
Q1703
KTA1268/GL/
C1711
33p
C1712
0.01MY
270
R1733
R1724
3.3k
R1725
3.3k
R1821
220
Q1805
KTA1268/GL/
C1813
0.01MY
R1827
3.3k
R1829
3.3k
TH731
C1715
47/50
R1835
TH831
C1817
47/50
QAD0012-202
C1743
47/100
270
QAD0012-202
Q1731
Q1831
2SD637/QR/
2SD637/QR/
R1722
3.3k
R1723
3.3k
C1815
C1811
33p
R1823
3.3k
R1825
3.3k
D1771
910390
R1731
1SS133
Q1771Q1772
R1732
KTC3200/GL/KTA1268/GL/
D1772
1SS133
R1741
220
910390
D1871
1SS133
R1831R1833
Q1871Q1873
KTC3200/GLKTA1268/GL/
D1873
1SS133
R1752
R1851
R1853
R1751
10
10
10
R1773
R1774
10
R1875
200
R1877
200
200
200
R1772
2SB1560/PY/-F6
R1871
R1873
2SB1560/PY/-F6
C1751
47p
!
Q1751
2SD2390/PY/-F6
R1771
390
R1753
0.22
R1791
1k
390
Q1752
C1752
47p
C1851
47p
390
390
Q1853
C1853
47p
!
D1791
1SS133
!
Q1851
2SD2390/PY/-F6
R1855
0.22
R1891
1k
!
R1893
D1891
1SS133
R1793
18k
R1795
47k
Q1791
KTA1268/GL/
R1761
C1791
33
0.022
L1761
R1762
0.45u
10
18k
Q1891
KTA1268/GL/
C1891
0.022
C1761
0.047
C1762
0.047
R1895
47k
R1861
33
L1861
R1863
0.45u
10
C1861
0.047
C1863
0.047
C1741
47/100
CN713
QGB2510K1-10
C1841
47/100
CN717
QGA2001F1-03
C1901
R1901
1/50
2.2k
C1902
100p
R1802
2.2k
C1804
100p
R1903
2k
D1901
1SS133
C1903
Q1901
2SC2240-BL/AB/
R1905
12k
R1902
68k
R1806
2k
D1802
1SS133
C1802
C1806
1/50
Q1802
2SC2240-BL/AB/
R1810
12k
R1804
68k
Q1902
2SC2240-BL/AB/
Q1804
2SC2240-BL/AB/
R1912
56k
C1905
5p
R1911
330
C1904
100/16
R1814
56k
C1810
5p
R1812
330
C1808
100/16
R1921
C1913
220
100/16
Q1903
KTA1268/GL/
C1911
33p
C1912
0.01MY
270
R1933
R1924
3.3k
R1925
3.3k
R1822
220
Q1806
KTA1268/GL/
C1814
0.01MY
R1828
3.3k
R1830
3.3k
TH901
QAD0012-202
C1915
47/50
R1836
TH832
C1818
47/50
C1943
47/100
270
QAD0012-202
Q1931
2SD637/QR/
Q1832
2SD637/QR/
R1922
3.3k
R1923
3.3k
C1816
100/16
C1812
33p
R1824
3.3k
R1826
3.3k
D1971
910390
R1931
1SS133
Q1971Q1972
R1932
KTC3200/GL/KTA1268/GL/
D1992
1SS133
R1941
220
D1872
910390
R1832R1834
1SS133
Q1872Q1874
KTC3200/GL
KTA1268/GL/
D1874
1SS133
R1951
R1952
10
10
R1852
R1854
R1973
R1994
10
R1876
200
R1878
200
10
200
200
2SB1560/PY/-F6
2SB1560/PY/-F6
C1951
47p
!
Q1951
2SD2390/PY/-F6
R1971
390
R1953
0.22
R1972
R1991
1k
390
Q1952
C1952
47p
C1852
47p
R1872
390
R1874
390
Q1854
C1854
47p
!
D1993
1SS133
!
Q1852
2SD2390/PY/-F6
R1856
0.22
R1892
1k
!
D1892
1SS133
R1993
R1995
47k
Q1991
KTA1268/GL/
R1961
C1991
33
0.022
L1961
R1962
0.45u
10
18k
C1892
0.022
R1894
18k
Q1892
KTA1268/GL/
C1961
0.047
C1962
0.047
R1896
47k
R1862
33
L1862
R1864
0.45u
10
C1862
0.047
C1864
0.047
C1941
47/100
CN718
QGB2510K1-10
C1842
47/100
C1843
R1841
47/100
220
CN715
QGB2510K1-12
C1844
R1842
47/100
220
CN716
QGB2510K1-12
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.