Block diagram
KV-DV7
VIDEO_OUT
6
CN701 CN721
LT
RT
5
DVD
MECHA
UNIT
NTSC/PAL,D_MUTE
IEC958
4
RDT_FM,D_FM,ATN_FM
D_HOST,HOST_RST,SCL
CN781
FAN
FAN CONT
3
IC301
VIDEO
AMP
IC101
DAC LPF
IC511
DIGITAL
OUT
V_OOUT1,V_OUT2
L_CH
R_CH
L_CH,R_CH
D_OUT_MUTE
IC701
MICON
IC741
RESET
IC131
H.P.
E.VOL
E.VOL_STB
E.VOL_DO
E.VOL_SCK
RESET
LOUT
ROUT
LED_CD/VCD
LED_REMOCON
LED_DVD
LED_DISC IN
IC151
H.P.
AMP
ANI0
ANI1
ANI2
REMOCON
REMIN
CN891
CN801
REG
HEAD_PHONE
HP.L_CH
HP.R_CH
J861
ANI0
ANI1
ANI2
J301
CN901
J801
LED
MATRIX
KEY
MATRIX
2
IC801
REMOCON
REMOCON
1
BC
DE
F
G
HA
I
2-1
Standard schematic diagrams
Stanard chematic diagram
Main section
KV-DV7KV-DV7
J301
QNN0400-002
6
CN701
QGF1013F1-20X
B701
0
B702
0
5
4
CN721
QGF0503F4-08X
L706
NQR0007-002X
B707
0
B708
0
B710
0
B711
0
B713
0
B714
0
B715
0
B716
0
B717
0
B718
0
B719
0
B720
0
B721
0
B722
0
B723
0
B724
0
B725
0
B726
0
B727
0
B728
0
0
0
B993
B994
3
2
1
/HOST_RST
RDY_FM
ATN_FM
D_HOST
NTSC/PAL
DAC5V
D_FM
D_MUTE
SCK
CN781
QGA2001C1-02
C973 C972
100/10 0.1 10/16
100k
180p
C112
R111
C111
4.7/25
IC101
NJM4580M-X
C211
4.7/25
180p
100k
C212
R211
Q781
2SD1994A/RS/-T
10/16
Q782
C783
UN2111-X
UDZ12B-X
10/16
C781
D781
R309
C305
1.5
IC301
NJM2267V-X
C303
1.5
75
R301
IC971
TA78L05F-X
C971
10k
C113
470p
R116
C114
560p
4.7k
R115
R114R113R112
2.2k2.2k2.2k
R214R213R212
2.2k2.2k2.2k
C218
470p
4.7k
C213
560p
10k
470p
C214
R216 R215
C102
R782
10
0.01
R781
C782
470
C115
C118
100p
C116
R117
470p
0.1
C101
100/10
10
R101
R118
22k
22k
R119
C117C217
47/6.347/6.3
22k
R219
R218
22k
C215
100p
2.2k
47/6.3
C741
R741
HEAD_PHONE
P.SAVE2
P.SAVE1
SCK
REMOCON
C706
470P
4.7K
4.7K
4.7K
4.7K
4.7K
R726
R728
R730
R734
R732
ANI0
ANI1
ANI2
ANI3
ANI4
4.7/25
C216
4.7/25
IC-PST9333U-X
C705
R737
C703
R727
R729
R731
R733
R735
10k10k
R122R222
R217
IC741
X701
QAX0414-001Z
C704
22P
R120
470
100
Q121
2SD1048/6-7/-X
Q221
2SD1048/6-7/-X
R220
470
100
47k
R742
22P
0
0.1
10K
10K
10K
10K
10K
C306
2200/10
220/10
0.047
C301
C302
C304
2200/107575 0
R121
6.8k
R221
6.8k
0.1
D741
1SS355-X
C742
RESET
47K
R725
0.1
C702
4.7k
R701
10
R314
R303
0
1K1K
R305R304
R302
DAP202K
TH701
NAD0021-103X
R313
C141
C142
4.7/25
R143
E.VOL_SCK
D121
E.VOL_DO
E.VOL_STB
R243
C242
0.22
C241
4.7/25
47K
47k
R723
R795
7V_CONT
5V_CONT
LED_CONT
PWR_CONT
PLAY_REMOTE
IC701
UPD780058GC-250
2.2K
2.2K
R702
R703
D_OUT_MUTE
R142
R141
0.22
470K
56k
C143
1200p
6.8k
6.8k
R241
470K
330
330
330
R736
R704
R705
D_FM
D_HOST
ATN_FM
C144
100K100K
R161R261
R162
4.7K
4.7/25
10
R131
0.1
C131
C132
100/10
IC131
TC9260F-X
4.7/25
C243
R242
1200p
56k
330
2.2K
2.2K
R706
R707
R708
/HOST_RST
RDY_FM
SCK
C261 C161
C244
R262
4.7K
R714
47K
R716
47K
R718
47K
R720
47K
D_MUTE
2.2k
R139
E.VOL_STB
R138
E.VOL_DO
2.2k
R137
E.VOL_SCK
2.2k
R791
NTSC/PAL
10k
R164
R163
18K
C163
6.8K
150P
C162
100P
220P 220P
C262
100P
R263
6.8K
R264
220/10
0.1
R151
C152
IC151
NJM4580M-X
C263
150P
220/10
18K
L701
NQL011K-4R7X
C701
100/6.3
47K
R799
C164
10
R165R265
C151
100/10
C264
2SD1048/6-7/-X
2SD1048/6-7/-X
2SD1048/6-7/-X
2SD1048/6-7/-X
R171 R172
39 22
0.010.01
1k10K
C171C271
Q272 Q172
UN2111-X
100/16
UDZ11B-X
C401
D403
R175
1k
R174
1K
Q171Q271
R274
1K
R275
1k
R272R271
Q401
2239
2SA1037AK/RS/-X
Q403
2.2K
R402
Q402
UN2211-X
UN2111-X
22K
R401
Q941
Q942
UN2211-X
HP_L-CH
AGND
HP_R-CH
HEAD_PHONE
ANI0
ANI1
ANI2
RESET
REMIN
D401
1SS355-X
D171
DAP202K-X
LED_CONT
IC961
PQ05RD21
L953
QQLZ032-4R7
D911
DAP202K-X
220/10
C957
0
0
0
10/16
C916
QGB1218J2-16
220/10
C956
0
1.5k
R917
R918
2SB1322/RS/-X
CN801
470/25
C955
100K
R915
Q911
R920
2.7k
100/10
220/10
0.1
0.1
C961
C963
C962
C964
5V_CONT
R173
B171
R273
470P
C172
470P
C272
C917
2200/6.3
Q931
R932
Q932
UN2211-X
Q921
2SC2412K/R/-X2SA1037AK/RS/-X
47K
R931
27K
22K
R916
P.SAVE2
P.SAVE1
CN891
QGB1218K1-16
R924
47K
2SA1037AK/RS/-X
Q922
R923
R921
39K
68K
R922
2.2K
R951R952
220/10
C915
2.2K470
IC911
BA4901A-V3
R919
IC951
LM2596S-ADJ-W
L951L952
QQL45AK-470QQLZ032-4R7
C954
22/10
0.01
C913
C914
22K
L802
NQR0202-001X
L861
L863
L862
0.015
0.1
C953
100K
R914
NQR0007-002X
NQR0007-002X
NQR0007-002X
R953
7V_CONT
C912
0.1
560/25
D951
22K
RB81L-20-X
C951
C952
D_OUT_MUTE
R912
R911
9.1k
1K
5.1k
R913
C911
47/16
2.2/50
J861
QNS0026-001
IC801
RPM6938-V4
R802
471
R801
C801
10/10
0
HP_L-CH
AGND
HP_R-CH
PWR_CONT
S841
NSW0039-001X
B815
D814
R814
S831
TC7SET08F-X
NQL011K-4R7X
REMIN
REMOCON
0
SML-310LT/MN/-X
820
Q813
DTC114EKA-X
NSW0039-001X
IC511
L511
R803
120
R805
10k
D901
1N5404-TU-15
D813
560
R813
S832
R807
QQR0703-001
2200/16
C901
D812
SML-310LT/MN/-X
R812
DTC114EKA-X
NSW0039-001X
L901
C511
R804
120
10k
D801
SML-310LT/MN/-X
820
DTC114EKA-X
S821
NSW0039-001X
Q811Q812Q814
R841
R511
1SS355-X
1k
0.1
D811
QNZ0487-002
10
C501
R811
IC501
100/6.3
B901
SML-310LT/MN/-X
820
DTC114EKA-X
0.1
C502
0
S822
NSW0039-001X
R821
R831R851
1k1k
S811
NSW0039-001X
CN901
QNZ0506-001
D821
D822
220
SML-310LT/MN/-X
SML-310LT/MN/-X
S812
NSW0039-001X
R822
J801
QNS0185-001
D823
SML-310LT/MN/-X
D824
SML-310LT/MN/-X
D825
SML-310LT/MN/-X
D826
SML-310LT/MN/-X
330
BC
DE
2-2
VIDEO SIGNAL
AUDIO SIGNAL
F
G
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
HA
I
KV-DV7
AV decoder section
6
5
4
3
2
1
BC
DE
F
G
HA
I
2-3
KV-DV7KV-DV7
VIDEO encoder section
6
5
4
3
2
1
BC
DE
2-4
F
G
HA
I
Audio decoder section
6
5
KV-DV7
4
3
2
1
BC
DE
F
G
HA
I
2-5
KV-DV7KV-DV7
Analog output section
6
5
SHIELD
4
3
2
1
BC
DE
2-6
F
G
HA
I
KV-DV7
DVD servo control section
6
5
4
3
2
1
BC
DE
F
G
HA
I
2-7
Printed circuit boards
Main board (Forward side) Main board (Reverse side)
KV-DV7KV-DV7
R196
B710
B720
R713
LCDCE
C751
R772
R511
R767
C293
R295
B718
C172
C761
C762
R761
C502C511
R329
B726
LCDDA
R120
Q411
Q331
R332R333
B724
B725
R794
R737
C703
LCDCONT
Q121
R734
R220
C164
C306
R314
J301
R302
R309
C326
R322
C741
R311
C324
C304
R344
C305
Q311
Q342
R342
R304
D311
R343
Q341
R313
R325 R326
J341
R341
R303
R305
R312
Q312
L302
C302
C301
C303
R301
C325
R324
R323
C321
C322
C323
R321
B723
B722
B721
R704
R736
R705 R706
R707 R708
R741
C704
X701
C705
R726
R728
R730
R732
R221
C216
B_OUT
LCDCL
R271
R171
R714
C171
R122
R331
B703
B702
DAC5V
R716
Q412
R222
R265
B704
R718
R117
C116
R703
R720
R165
Q221
R217
R121
R411
R412
D402
C331
B727
B728
D701
R722
C702
R702
C264
IC501
D121
C501
C193
R195
B705
B706
B707
B701
B712
B708
B709
R793
R724
R799
R712
R792
R753
R752
R791
R751
C272
R272
C271
R172
IC511
6
IC501
J301
C216
C303
R735
R701
R806
TH701
C116
C331
B994
CN701
R723
R795
R717
R719
R721
R715
IC701
C264
R275
D171
Q172
R175
Q171
C304
B301
C305
5
4
C326
IC321
J341
C324
B991
PP2
C741
3
IC301
C306
C301
C325
C321
C323
CN721
B993
R805
R742
D741
C742
IC741
X701
R727
R729
R731
R733
C164
Q272
C501
IC751
Q271
R174
B711
R274
R197
L511
D902
F901
Q191
IC181
R191 R192
R193 R194
C191
B731
R725
B992
CN891
C701
IC761
C192
R738
C194
C111
IC101
R216
C292
R111
R211
C211
C973
R116
D901
CN761
R292
D761
R215
C218
C291
R261
C262
D191
C118
R115
R297
R293
R263
C263
C181
Q291
C102
R262
R264
C261
C971
C115
C244
B995
R294
D401
C215
R291
C161
R101
C144
R118
C101
C243
CN999
R218
R242
R243
C242
C117
IC131
C152
C401
R241
C901
C217
C241
J801
L901
L951
R953
C953
C141
B51
B61
R141
C142
C143
R142
R143
C76
C131
C75
VR61
R161
IC151
R162
R163
C162
R164
D76
C163
C151
C952
IC951
D801
R807
CN901
PP1
C791
C783
Q781
Q601
C917
C951
C61
C51
IC71
C77
C62
R62
Q61
C601
CN781
C915
C781
C957
C956
C79
C52
R52
Q51
D72D75 D73D74
CN71
L952
C78
VR51
C73
D77
Q71
D71
L953
C961
C955
D903
C912
C913
R911
B901
C911
C911
IC911
R919
R914
C914
Q911
C964
C962
C916
C963
IC961
C919
R912
R913
R915
R917
R918
R920
IC911
Q911
C916
R916
Q941
Q942
IC961
C963
C71
C912
D911
C961
R911
Q932
R932
C955
VR51
C917
C913
CN901
R781
R603
Q791
Q931
R931
C915
R924
Q921
C951
D951
R952
L953
L952
C71
Q71
R72
D71
CN71
D791
R804
C401
Q403
Q402
C117
C217
R402
R401
C101
R768
C113
C214
C213
C971
R771
D901
C901
R770
C114
Q401
R213
C212
IC971
R803
PP1
CN781
D781
D782
C781
Q602
R923
Q922
C957
R951
C954
C956
R73
C79
C78
C73
C74
R71
Q51
D72
D73
R922
L951
C782
J801
C783
Q781
R782
Q782
R601
D601
R602
R604
R605
Q601
R921
R61
R51
C61
C51
C75C77
R63
C63
B73
D74
B72
R53
C53
C76
B71
R131
Q61
VR61
D75
D76
C131
R151
C141
C132
C144
L901
D403
R119
R219
C241
C244
C151
CN999
R214
R181
CN891
R773
C181
C291
R114
R710
R709
R774
R296
R113
C211
R711
R298
C111
C973
C972
R766
L701
CN761
C194
R765
C183
R212
R198
C292
R764
C182
C112
R112
B715
B717
C192
B716
LCDRST
R769
R763
R273
B171
R173
D902
C191
C701
R762
R182
B713
B714
B719
2
1
Front board (Forward side) Front board (Reverse side)
J861
C861
C862
L861
L863
R821
L862
Q811
C802
F
IC801
S822
S841
S812
D821
D826
S832
S831
D825
BC
D824
S821
D823
D814
D813
D812
D811
D822
S811
J861
W1
DE
R811
R812
Q812
R813
Q813
Q814
R814
G
CN801
C801
B814
B815
R851
R841
R822
HA
R831
IC801
R801
R802
I
2-8
KV-DV7
Frontend board
(Forward side) (Reverse side)
6
5
4
3
2
1
BC
DE
F
G
HA
I
2-9
KV-DV7KV-DV7
Backend board (Forward side) Backend board (Reverse side)
6
5
4
3
2
1
BC
DE
2-10
F
G
HA
I
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