JVC KS-AX770 User manual
SERVICE MANUAL
COPYRIGHT © 2003 VICTOR COMPANY OF JAPAN, LTD. No.49809
2003/03
KS-AX7700
POWER AMPLIFIER
49809200303 KS-AX7700
TABLE OF CONTENTS
1 Important Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
2 Disassembly method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
3 Adjustment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
Area suffix
J ------------ Northern America
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KS-AX7700
1-2 (No.49809)
SECTION 1
Important Safety Precautions
1.1 Safety Precautions
!Burrs formed during molding may be left over on some parts of the chassis. Therefore,
pay attention to such burrs in the case of preforming repair of this system.
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KS-AX7700
(No.49809)1-3
SECTION 2
Disassembly method
CAUTION:
If electricity is connected during disassembly, it must be a no
load current.
If it is load current, be sure to attach a heat sink to the power-
amp IC.
This will be damaged if the above precautions arenotfollowed,
as it does not have a sub heat sink attached to it.
2.1 Removing the bottom cover (see Fig. 1)
(1) From the bottom side of the main unit, remove the 4 screws
Aretaining the bottom cover.
(2) Then remove the 6 screws Bretaining the bottom cover.
(3) Remove the bottom cover.
Fig.1
2.2 Removing the main board (see Fig. 2 to 8)
(1) Remove the bottom cover from the main unit.
(2) Loosen and remove the 2 screws Cretaining the top plate
on the main unit.
(Stoppers are attached to the backs of the Cscrews so that
they cannot be removed easily.)
(3) Remove the 3 volume knobs on top of the control panel. If
it cannot be pulled out easily, insert a scale or suitable lever
between the base of the volume knob and the control panel
so that the volume knob is raised a little above the surface
and then remove it.
(Be careful when inserting a lever etc. not to scratch
the surface of the control panel).
(4) Remove the 4 screws Dretaining the control panel. Then
detach the control panel and the switch knob.
Fig.2
Fig.3
Fig.4
Bottom cove
r
B
A
A
B
Top plate
CC
DD
Volume knob
Switch knob
(Side view)
Scale or suitable lever
Volume knob
Control panel
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KS-AX7700
1-4 (No.49809)
(5) Remove the 6 screws Eretaining the panels on both sides
of the main unit.
(6) Remove the 13 screws Fattaching the main board to the
bottom of the main unit.
(The GND wire that protrudes from the main board
must be re-installed to its original position during re-
assembly.)
(7) To remove the wire ass'y, lift up the main board a little.
Fig.5
Fig.6
Fig.7
Fig.8
Rear panel
E
Front panel
E
GND wire
Main board
F
F
Main board
Wire assemb'y
(Side view)
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TEL 13942296513 QQ 376315150 892498299
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KS-AX7700
(No.49809)1-5
2.3 Removing the CCFL board (see Fig. 9 to 12)
(1) Remove the bottom cover.
(2) Then remove the Main board.
(3) From the bottom side of the main unit, remove the 4 screws
Gretaining the CCFL cover.
(4) Then remove the insulation sheet on top of the CCFL
board.
(5) Remove the 4 screws Hretaining the CCFL board.
(6) Remove the CCFL board by sliding it a little towards the
arrow mark.
Fig.9
Fig.10
Fig.11
Fig.12
CCFL cover
G
G G
CCFL board
Insulation sheet
H
CCFL board
H
This section is cought
by the portion.
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KS-AX7700
1-6 (No.49809)
SECTION 3
Adjustment
3.1 Adjustment method
(1) Check the voltage and frequency of the secondary toroidal
coil.
FREQUENCY:24.35kHz±10Hz
VOLTAGE VALUE:55Vp-p
(2) Measure the secondary toroidal coil, if the standard
frequency value of 24.35 kHz ±10 Hz is not attained,
measure the R760 terminal, then adjust the VR701 so that
the R760 terminal becomes 24.25 kHz± 10Hz.
NOTE:
When measuring, adjust and apply power with no
signal or load on each board.
DC/DC CONVERTER SECOND GENERATOR SWITCHING
TEST SET
FREQUENCY COUNTER
Main board
(+)
(
-
)
POWER SUPPLY
14.4V
R760
Measuring
Points
88Vp-p
±2.5V
TEST ITEM
VOLTAGE TEST
FREQUENCY CHECK
88Vp-p±2.5V
24.350KHz±10Hz
OSCILLOSCOPE
VOLT/DIV: 10
TIME/DIV: 10msec
VARIABLE: MINIMUM
SPECIFICATION CONDITION
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TEL 13942296513 QQ 376315150 892498299
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(No.49809)
AV & MULTIMEDIA COMPANY MOBILE ENTERTAINMENT CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan
VICTOR COMPANY OF JAPAN, LIMITED
200303WPC
Printed in Japan
KS-AX7700
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SCHEMATIC DIAGRAMS
POWER AMPLIFIER
No.49809SCH
2003/03
COPYRIGHT 2003 VICTOR COMPANY OF JAPAN, LTD.
KS-AX7700
KS-AX7700
Area Suffix
J Northern America
Contents
Block diagrams
Standard schematic diagrams
Printed circuit boards
2-1
2-2
2-8~9
CD-ROM No.SML200303
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
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KS-AX7700
!Burrs formed during molding may be left over on some parts of the chassis. Therefore,
pay attention to such burrs in the case of preforming repair of this system.
Safety precaution
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TEL 13942296513 QQ 376315150 892498299
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KS-AX7700
2-1
DEFG
Block diagram
R-IN
L-IN
R
L
HI-INPUT
INPUT
AMP
U101
-A
U101
-B
U102
-A
U102
-B
U106
-A
U206
-A
VR103A
VR103B
U103
-A
U103
-B
U104
-A
U104
-B
VR102A
VR102B
U105
-A
U105
-B
SW101A
SW101B
LPF
HPF
OFF
LPF
HPF
OFF
Q142-Q146
Q148,Q149
Q152
Q161-Q166
R-OUT
L-OUT
POWER
INPUT
+12V
D.C.
REM
F01,F02
Q701
Q702 U701
POWER
CONTROL
Q730,Q731
Q745-Q747
Q755-Q757
POWER
REGULATOR
T1
U703
U704
TRANS
& REGULATOR
+/-15V
VCC
VEE
Q150
Q250
MUTE
CONTROL
Q705
-708
Q171-Q176
Q272
PROTECT
VR101B
VR101A
VR102C
VR102D
7
6
2 2
1 1
6
7
POWER
AMP
Q790
CCFL+12V INVERTER LOAD
CCFL
board
Q780
VR701
Q242-Q246
Q248,Q249
Q252
Q261-Q266
BOOST 0-12dB CROSSOVER
31 3131
6731
57
312121
576767
VARIABLE/INV.CIRCUIT(Gain1)/Amplifier 50-250Hz 12dB/OCT VARIABLE
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TEL 13942296513 QQ 376315150 892498299
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KS-AX7700
2-2
5
4
3
2
1
ABCD
9
9
8
8
BOOST 0-12dB(45Hz) VARIABLE
BOOST 0-12dB(45Hz) VARIABLE
1
2
3
45
7
61
2
3
45
CROSSOVER(50-250Hz 12dB/OCT VARIABLE)
CROSSOVER(50-250Hz 12dB/OCT VARIABLE)
U106-B
C217
R235
U206-A
C215
R237
R238
C116
VR103A
C216
R134
R140
R139
R137
R234
C115
VR103B
U101-B
R135
C117
R239
VR101B
U102-B
R202
C345
U102-A VR102CR116
R112
R111R110
C108
C125
C263
C202
R201
C206
VR101A
U206-B
R109
C107
C111C110
R117
R212
C208
R210C225
U105-A
R115
R209
C207
R208
U104-A
R113
VR102A
R114
R240
VR102DR216
R108 U106-A
R118
C162
C211C210
R217
U105-B
R215
U104-B
R213 VR102B
R214
U103-B
R218
C163
C201
R203
R205 C204
R206
C262
R106
C104R105
R103
C101
C106
R101
C102
R102
C121
U101-A
R138
R211
U103-A
R236
R136
C109
C209
C112
C11
4
C113
R131
R130
C213
C212
R230 R2
3
C122
C105
R288C261
R266
R260
R166
R188
R160
C260
C161
C160
C205
RCA01B
RCA01A
C124
C123
L
R
SUB-1
SUB-2
-
-
+
+
8
5
67
NJM2068LD
47P
1K
8
3
21
NJM2068LD
224(M)
20K
330K
183(M)
20KB
183(M)
1K
680K
5.6K
20K
1K
224(M)
20KB
8
5
67
NJM2068LD
1K 47P
5.6K
20KB
NJM2068LD
7
5
6
4
22KF
470/16V
8
3
21
NJM2068LD 50KC15K
30KF
11KF15K
33P
4.7/50V
102P
4.7/50V
22K
22P
20KB
8
5
67
NJM2068LD
1K
470P
473(M)473(M)
10K
56KF
24P
15KF4.7/50V
NJM2068LD
1
3
2
4
10K
1K
470P
1K
NJM2068LD
1
3
2
4
10K
50KC
10K
680K
50KC15K
1K
8
3
21
NJM2068LD
15K
102P
473(M)473(M)
10K NJM2068LD
7
5
6
4
10K
NJM2068LD
7
5
6
4
10K 50KC
10K
NJM2068LD
7
5
6
4
15K
102P
4.7/50V
22KF
56KF 22P
56KF
102P
56KF
22P56KF
22KF
4.7/50V
22P
22K
4.7/50V
22KF
104P
8
3
21
NJM2068LD
330K
12K
NJM2068LD
1
3
2
4
1K
1K
47P
47P
2.2/50V
2.2/
5
2.2/50V
22K
22K
2
2.2/50V
2.2/50V
22K 22
K
M
104P
100P
150KF4.7/50V
150KF
22KF
150KF
150KF
22KF
4.7/50V
CHDW1140-N
4.7/50V
4.7/50V
100P
SY-SW0406-82
SY-SW0406-82
104P
104P
R-IN
L-IN
L
F
FLAT
H
Standard schematic diagrams
Amp section
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TEL 13942296513 QQ 376315150 892498299
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KS-AX7700
2-3
DEFG
6
7
C242
R141
Q165
R241
R245
R244
R262
P02
Q166
R187
R186
C149
C143
C171
Q265
R264
Q266
R263
R261
R281
Q261
Q262
R287
R286
C249
Q152
R162
Q164
Q163
R271
Q271
R180
C243
C245 C172
R185
R254 C248
R251
Q245
Q242 Q243
C244
Q144
C146
Q146
R243
Q248
D243
D142
R172
C190
Q149
Q264
R191
C191
R167
R168
R149
R150
D151R147
R148
R146
Q252
C142R145
Q161
C147
Q162
Q174
R144
R154 C148
R151
Q145
Q142 Q143
R177
R164
R285
R252
C145
Q244
R152
C246
SW101A
R233
Q263
C120
C144
Q173
Q246
R268
R280
R143
R133
Q148
Q171
R171
C220 R267
R272
D242
R173
SW101B
C247
R179
R249
R250
D251R247
R248
C173R265
Q176
Q175
D143
R175
R246
1
2
C114
R132R131
C214
1
2
R231 R232
C219
C119
R170
Q150
Q250
R270
R176
R178
R174
Q172
R291
C291
Q249
R165
D170
R395
R195
R295
R183
R181
R142
R242
R161
R163
L102
R169
L202
R269
104P
5.6KF
IRF640
5.6KF
VEE
100K
360
330
TMN004-02
IRF640
47
47
100/16V
224(M)
100/50V
IRF640
330
IRF640
47
47
47
IRF640
IRF640
47
47
100/16V
C2690Y
330
IRF640
IRF640
VEE
330
KTA1023Y
22KF
224(M)
100/50V
PROTECTION
VCC
102P
47
1KF 5P
22KF
KTC1027Y
KTA1023Y KTA1023Y
104P
KTC1027Y
100P
KTC1027Y
330
A1220Y
1N4148
1N4148
1K
330/16V
A1220Y
IRF640
22/2W
104(M)
0.05/5W
0.05/5W
22
3.3K
1N52351K
430
510
C2690Y
104P100K
IRF640
100P
IRF640
KTA1023Y
360
1KF 5P
22KF
KTC1027Y
KTA1023Y KTA1023Y
390
330
47
VEE
51
H.VCC VCC
100/63V
KTC1027Y
51
H.VCC
100P
JSS2319
100K
IRF640
100P
104P
KTA1023Y
KTC1027Y
0.05/5W
22KF
330
100K
A1220Y
KTA1023Y
330
100P 0.05/5W
1K
1N4148
330
JSS2319
100P
15K
22
3.3K
1N52351K
430
100/16V56K
KTC3198GR
KTC3198GR
IN4148
82K
510
0V
2.2/50V
22K22K
2.2/50V
0V
22K 22K
4.7/50V
4.7/50V
10K
J108
J108
10K
MUTE
100K
1K
43K
KTC1027Y
22/2W
104(M)
A1220Y
56K
1N4148
4.7K
100
100
100K
47
330
330
47
47
CL-200C
4.7/0.5W
CL-200C
4.7/0.5W
A
B
A
B
A
B
-15V
+15V
LPF
LPF
FLAT
T
HPF
HPF
R-OUT
L-OUT
w
w
w
.
x
i
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1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
KS-AX7700
2-4
5
4
3
2
1
ABCD
CCFL L=190m/m
C731
Q702
C720
C701
R725
R742
D711
D710
R743
R701
C717
C741
R741
C740
R740
U701
R734
C722R733Q708
R732C721
R731R730
R726D704
C718R719
R720
R716
Q707
Q706
Q705
R702
Q701
R703
R704
R
R718
R717
TH01
R715
C715
VR701
R750 R751
Q710 R
7
R804
C803 D801
C801
C804
R802
Q801
R801
L801
C802
Q803
R803
T02
Q802
C716
CCFL BLOCK
LOADINVERTER
PROTECTION
100/16V
CCFL+12V
KTC3198GR
104P
10/25V
10
220/0.5W
1N4148
K
1N4148
K
220/0.5W
68/0.5W
47/16V
47/25V
24KF
102(S)
47K
TL494CN
15K
47/25V15KKTA1268GR
33K10/25V
22K1K
9101N4148
220/16V10K
10K
51KF
KTC3198BL
KTA1266GR
KTA1266GR
4.7K
KTA1023Y
4.7K
4.7K
1
4.7K
4.7K
50KTH
140KF
104P
2K
27K 12K
KTC3198GR 1.
5
GND
200
103P 1N5241
V-IN 473/100V
OUT1
104P
4.7M/0.5W
C1027Y
1.5K/0.5W
CL-113
18P/3KV
C2690A
4.7M/0.5W
CHT-100
C1027Y
334(M)"TL"
16 15 14 13 12 11 10 9
87654321
CCFL-INVERTER PCBOARD
Power section
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
KS-AX7700
2-5
DEFG
BEAD
BEAD
ADD FERRITE BEAD 2POINT R382
C867
C726
R722
C866C865
C863
C864
Q702 C868
C860
C788
C725
C728
L701
C772
C771
R744
R754
C787
Q756
C790
C773
C774
R746
R756
Q745
D735
D734
D732
D731
C727
C762
R760
C760
C761
R790 C791
W01
C770
C769
D752
D751
Q755
Q747
T1
P01
F01
F02
D701
R742
D711
R755
R745
Q731
D710
Q730
R743
R701
C741
C763
U703
7
34
U704
C792
R747
L721
R702
Q701
R703
D702
R704
R705
C750
C751
C752
C862
C768
L702
C767
CON01
C765
C766
Q780
D770
D771
R780
R781 C780
C781
R757 Q757
C705C706
Q746
C753
C861
C785
D723
D722
R182
C724
R792
R791 Q790
7
50 R751
Q710 R752 LED01
C786
R782
D850
Q850
R777
R778
R850
R851
Q851
R853
R852
C850
3
4
1
2
REM
GND
+12V D.C
PROTECTION
560/3W
104P
104P
22/1W
XX
103(M)
103(M)
KTC3198GR 0
X
104P
10/100V
10/100V
CL-900A
2200/50V
2200/50V
1K
1K
104P
FQP50N06
473P
105(M)
105(M)
100
100
FQP50N06
PR1504x4
10/100V
4.7/50V
100/2W
222(M)
2.2/50V
10K 105(M)
50m/m
2200/50V
2200/50V
YG225D2
YG225D2
FQP50N06
FQP50N06
49PHI
TMN005-01
25AX2
1N5404
220/0.5W
1N4148
100
100
KTA1266GR
1N4148
KTA1266GR
220/0.5W
68/0.5W
47/25V
47/25V
O
C
I
KIA7815PI
5K
O
C
I
KIA7915PI
473P
100
47uH
4.7K
KTA1023Y
4.7K
1N4004
4.7K
10K
2200/25V"RX"
2200/25V"RX"
104P
104P
1000/50V
CL-1112
CL-1112
1000/50V
CCFL+12V
104P
104P
+15V
-15V
J108
1N4148
1N4148
220K
10K 22P
10/50V
VCC
VEE
MUTE
100 FQP50N06
47/25V104P
FQP50N06
1000/35V"RX"
223P
100/35V
PR1504
PR1504
560/3W
104P3T H.VCC
2.2K
2.2/0.5W
B
C
ETIP117
7K 12K
KTC3198GR 1.5K KLR-124E
100/35V
4.7M
1N4148
KTA1023Y
10K/0.5W
10K/0.5W
4.7K
4.7K
KTC3198GR
4.7K
22K
10/16V
15T
15T
5T
5T
(0.7PHIX15)
(0.7PHIX5)
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
KS-AX7700
2-6
5
4
3
2
1
ABCD
5
6,7
8
2,3
1
4
1
2
3
4
ECB
ECB
ECB
ECB
ECB
ECB
L-F.IN
R-F.IN
+15V
-15V
GND
R-OUT
L-OUT
L-F.OUT
R-F.OUT
+15V
-15V
GND
L-IN
R-IN
BOOST(0-12dB)
LEVELCROSSOVER
(50-250Hz 12dB)
SUB2
SUB1
Printed circuit boards
Main board (forward side)
GG
++L
R
B.K RED
FLAT/LPF/HPF
16x20
16x20
G
+12V
PAM37801
SSS SSSDDD DDDGGG GGG
GGGGGG DDDDDD SSSSSS
H.VCC
RL
-
-
+
+WHITE
GRAYGRAY-B.K WHITE-B.K
2-GND
VCC
R-OUT
VEE
VEE
L-OUT
U101
Q172
Q244
Q246
Q144
Q701
Q146
Q171
Q143
Q142
Q145
Q174
Q173
Q242
Q271
Q245
Q243
RCA01
R778
R777
R191
R291
R182
R382
P01
D701
R760
C753
C770
P02
5
6,7
8
2,3
1
4
T01
Q266
Q747
D752
Q262 Q261Q746 Q745 Q755 Q756 Q757
Q165
Q263
Q166 Q164 D751
Q161 Q163
Q265
Q162
Q264
1
2
3
4
L702
C750C751
U701
C767
C768
TH01
C731
C173
C718
C781
FH01
BJ101
L701
LED01
ECB
Q249
ECB
Q248
ECB
Q149
ECB
Q148
ECB
Q152
ECB
Q252
C786
C785
C190
C171
L202
L102
C702
CON01
C716
C291
C740
C243
C143
C191
C760
C245
C145
C345
D771
D770
D704
D143
D142
D243
D711
D242
D710
D170
D850
Q790
U704
U703
D702
D734
D731
D732
D735
D722
D723
L721
VR701
R746
R756
R745
R755
R747
C101
C102
C701
C741
C717
C721
C722
C705
C762
C761
C763
C219
C149
C119
C202
C249
C727
C201
C728
C725
C161
C160
C260
C261
C850
Q731
Q730
Q706
Q705
Q707
Q708
Q702
Q780
Q250
Q150
Q710
Q175
Q176
Q851
Q850
R782
R850
R202
R203
R205
R206
R102
R105
R106
R103
R254
R242
R252
R262
R249
R251
R186
R780
R702
R792
R101
R741
R715
R703
R716
R740
R720
R725
R719
R718
R717
R726
R730
R731
R732
R733
R734
R704
R705
R744
R754
R781
R248
R270
R233
R280
R246
R264
R244
R245
R247
R250
R241
R163
R141
R180
R752
R145
R146
R147
R170
R164
R148
R143
R154
R152
R151
R150
R142
R162
R144
R172
R185
R161
R165
R750
R751
R175
R176
R178
R177
R179
R171
R149
R195
R187
R395
R285
R181
R790
R757
R265
R271
R295
R243
R272
R173
R183
R174
R287
R263
R281
R851
R261
R286
R188
R260
R166
R160
R288
R266
R133
R201
R852
R853 R854
C863
C864
C205
C204
C206
C105
C104
C106
C752
C715
C720
C706
C865
C780
C248
C765
C766
C247
C246
C220
C242
C120 C144
C146
C787
C147
C148
C142
C788
C123
C124
C866
C122
C244
C172
C724
C726
C121
C860
C861
C862
C790
C773
C709
C792
C791
C774
R267R268
R168 R167
D151
D251
W01
L-F.IN
R-F.IN
+15V
-15V
GND
R-OUT
L-OUT
L-F.OUT
R-F.OUT
+15V
-15V
GND
L-IN
R-IN
BOOST(0-12dB)
LEVELCROSSOVER
(50-250Hz 12dB)
SUB2
SUB1
C769
C771
C772
C867
C868
C163
C162
C262
C263
R791
R701
R743
R742
R722
R269
R169
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
KS-AX7700
2-7
DEFG
REDB.K
GG
+R L+
FLAT/LPF/HPF
ECB
1
2
3
4
L-F.IN
R-F.IN
+15V
-15V
GND
R-OUT
L-OUT
L-F.OUT
R-F.OUT
+15V
-15V
GND
L-IN
R-IN
BOOST(0-12dB)
LEVELCROSSOVER
(50-250Hz 12dB)
SUB2
SUB1
ECB
ECB
ECB
ECB
ECB
5
6,7
8
2,3
1
4
Main board (reverse side)
R-OUT
L-OUT
VEE
RUBBER5
SDGSDGSDGSDSGDGSDG
GRAY-B.K
R-
GRAY
R+
R+
L-F.IN
-15V
+15V
R-F.IN
GND
RUBBER1
VCC
WHITE-B.K
L-
L+
2-GND
WHITE
L+
L-F.OUT
L-IN
R-IN
GND
GND
-15V
+15V
R-F.OUT
N.T
RED
GDS
SDG
RUBBER4
GDSSDG
DGS
SDG
H-VCC
RUBBER3
N.T
RED
H.VCC
SDG SDG SDGSDG SDG SDG
RUBBER2
C122
R703 R741
R105
VR701
Q730
BJ101
FH01
U701
RCA01
U101
Q161Q163Q166 Q165Q152Q164Q162
C142
C120
R170
R146
R145
R180
Q146
Q144
Q150
R167
C160
R160
R147
C163
R186
R181
R161
C102
R101
C162
R141
R103
C161
R166
R188
D151
C143
C119
R150
C106
C105
R106
C101
C104
R102
R133
D170
R187
R195
R164 C774
Q148
R185
R163
R168
R148R149
R144
R162
C146
D142 R165
R172 R171
C772
R778
R265
R395
Q176
Q175
C173
R142 R154
C144
C147 Q142
Q149
Q145
Q143
R152
R177
R179 Q171
R143
R178
Q174
D143
C145
R151
C149 C148 R176
Q173
C770
P02
D751 D752
TH01
C191
R191
C701
C715
R705
R704
R716
R715
Q702
C780 C716 R717 R792
C773
C769
R777
CON01
Q780
C781
D770
R782
C705
Q790
C706
C771
C717
C720
Q706
R719
R725
R720
Q705
D704
R780
D771
R726
R781
R734 Q707
C731
R718
R750
C740
R740
C718
R731
Q708
R733
C722
R730
D710 R732
C721
L102
R169
L202
C291
R291
R269
R791
D702
Q710
R701
R751
R752
W01
C792
D723
D722
L702
C788
R851
R182
+
C786
C220
R247
R245
R280
Q246
Q244
Q250
R270
C242
R241
C260
R260
C262
C202
R201
C263
C121
C206
C205
R206
R205
C204
C201
R202
R288
R266
R203
R233
U704
C243
C345
C766
+
C785
C261
R250
C219
D251
+
C190
C763
C765
C787
R261
R281
R244
R286
R251
C249 R242
C244
C124
C123
D242
R263
R174
R183
R173
R272
R175
Q248
Q249
Q271
Q172
Q243
Q245
R254
C248
C247 Q242
R252
+
C171
C245 D243
R243
R249
R248
R264
R262
C246
R246
R287 R285
C172
R271
R295
C726
C767
C724
R722
C728
C725
Q850
R850
L721
R267
R382
U703
Q261 Q263
R268
Q266
Q252
Q265 Q264
D850R852
C850
Q851
Q262
C762
D735
D732
D731
D734
R853
R854
C866 C790
C860
C752
P01
R755
R745
R756
R746
R747
R702
Q701
T01
C864
C760
R760
C863
C861
C862
D711
Q731
R742
R744
R743
R754
C741
C768
C865 C727
R790
C761
C753
D701
C709
L701
LED01
+
C702
C750
C751
R757
C791
Q757
C867
Q756 Q755 Q746Q745 Q747
C868
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
KS-AX7700
2-8
5
4
3
2
1
ABCD
C213
C113
C110
R214
C210
C217
C117
R114
R115
R218
R118
R116R216
R217
R117 C215
C216
R230
R130
R113
R213
C225
C125
R236
CON02
R238
R237
R235
C108
R239
R240
R139
R140
C116
C115
R138
R137
R136
C208
U105
R135
R134
R234
R212
R211
C107
C209
R210 R110
R112
R111
R209
R109 R108
U104
U106
U102
U206
C207
VR101
SW101
VR103
R208
VR102
C114
C211
R215
R131
R231
C109
R132
C212
C112
C111
CON03
C214
R232 PAS11401
PAS12401
C213
C113
C110
R214
C210
C217
C117
R114
R115
R218
R118
R116R216
R217
R117 C215
C216
R230
R130
R113
R213
C225
C125
R236
CON02
R238
R237
R235
C108
R239
R240
R139
R140
C116
C115
R138
R137
R136
C208
U105
R135
R134
R234
R212
R211
C107
C209
R210 R110
R112
R111
R209
R109 R108
U104
U106
U102
U206
C207
VR101
SW101
VR103
R208
VR102
C114
C211
R215
R131
R231
C109
R132
C212
C112
C111
CON03
C214
R232 PAS11401
PAS12401
Sub board (forward side) Sub board (reverse side)
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
KS-AX7700
2-9
DEFG
R802
L801
Q801
R802
C804
BCE
Q803
C802
T02
J101
C805
R804
C803
Q802
R801
D801
C801
GND(BLACK)
+12V(RED)
PAS12601
REV : 0
CFL01
CCFL board
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
KS-AX7700
VICTOR COMPANY OF JAPAN, LIMITED
AV & MULTIMEDIA COMPANY 10-1,1Chome,Ohwatari-machi,Maebashi-city,371-8543,Japan
(No.49809SCH)
Printed in Japan
2003/03
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9
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0
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1
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Q
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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