JVC KS-AX4700 User manual
SERVICE MANUAL
COPYRIGHT 2001 VICTOR COMPANY OF JAPAN, LTD.
KS-AX4700KS-AX4700
No. 49621
Apr. 2001
KS-AX4700
POWER AMPLIFIER
Printed in Japan
200104(S)
(No. 49621)
VICTOR COMPANY OF JAPAN, LIMITED
MOBILE ELECTRONICS DIVISION
PERSONAL & MOBILE NETWORK B.U. 10-1,1Chome,Ohwatari-machi,Maebashi-city,Japan
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 are not followed, as it does not have a sub heat sink attached to it.
Contents
Safety precaution
Location of main parts
Removal of main parts
Test method
Description of major ICs
1-2
1-3
1-5
1-7
1-8
Area Suffix
E
J
Continental Europe
Northern America
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Q
TEL 13942296513 QQ 376315150 892498299
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KS-AX4700
1-2
!
CAUTION
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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TEL 13942296513 QQ 376315150 892498299
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KS-AX4700
1-3
Location of main parts
REAR PANEL
HEAT SINK
INPUT for POWER FUSE OUTPUT TERMINAL (L/R)
FRONT PANEL
LOW INPUT (L)
HEAT SINK
LOW INPUT (R)
CONTROL PANEL
HEAT SINK
SWITCH KNOB
VOLUME KNOB
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Q
Q
TEL 13942296513 QQ 376315150 892498299
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KS-AX4700
1-4
GND wire
MAIN PCB
DIODE
SUB PCB
HEAT SINK
(Bottom view)
POWER TRANSISTER
POWER FET
POWER TRANSISTER
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Q
Q
TEL 13942296513 QQ 376315150 892498299
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KS-AX4700
1-5
From the bottom side of the main unit, remove the 4
screws A retaining the bottom cover.
Then remove the 6 screws B retaining the bottom
cover.
Remove the bottom cover.
1.
2.
3.
Removal of main parts
Removing the bottom cover (see Fig. 1)
Remove the bottom cover from the main unit.
Loosen and remove the 2 screws C retaining the top
plate on the main unit. (Stoppers are attached to the
backs of the C screws so that they cannot be
removed easily.)
1.
2.
Remove the 6 volume knobs on top of the control
panel. If it cannot be pulled out easily, insert a rope
or wire 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).
Remove the 4 screws D retaining the control panel.
Then detach the control panel and the switch knobs.
3.
4.
Removing the MAIN PCB
(see Fig. 2 to 8)
(Side view)
Rope or wire
Volume knob
Control panel
Bottom cover
Fig. 1
Fig. 3
Fig. 2
Fig. 4
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 are not followed, as it
does not have a sub heat sink attached to it.
CAUTION:
A
B
A
B
Top panel
CC
Switch knob Control panel
D D
Volume knob
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Q
TEL 13942296513 QQ 376315150 892498299
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KS-AX4700
1-6
Remove the 13 screws E retaining the panels on
both sides of the main unit.
5.
Remove the MAIN PCB by lift up the arrow mark.7.
Remove the 14 screws F attaching the MAIN PCB to
the bottom of the main unit.
6.
Fig. 7
Fig. 5
Fig. 6
Front panel
Fig. 8
Rear panel
E
E
E
E
MAIN PCB
F
F
MAIN PCB
(Side view)
F
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Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
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KS-AX4700
1-7
Test method
1.
.
Check the voltage and frequency of the secondary
toroidal coil.
2.
Measure the secondary toroidal coil, if the standard
frequency value of 36.0 kHz ± 50 Hz is not attained,
measure the R60 terminal, then adjust the SV01 so
that the R60 terminal becomes 36.0 kHz ± 50Hz.
Note:
TEST SET
FREQUENCY COUNTER
MAIN PCB
(+)
(
-
)
POWER SUPPLY
14.4V
75Vp-p
±2.5V
DC/DC CONVERTER SECOND GENERATOR SWITCHING
TEST ITEM
VOLTAGE TEST
FREQUENCY CHECK
75Vp-p±2.5V
36.0KHz±50Hz
OSCILLOSCOPE
VOLT/DIV: 10
TIME/DIV: 10mcec
SPECIFICATION CONDITION
FREQUENCY:36.0kHz ± 50Hz
VOLTAGE VALUE:75Vp-p ± 2.5V
When measuring, adjust and apply power
with no signal or load on each board.
5
6
7
3
R01
R60
R03
C01
J09
Q01
C31
C68
Measuring
Points
MAIN PCB
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Q
Q
TEL 13942296513 QQ 376315150 892498299
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KS-AX4700
1-8
PIN CONNECTIONS
(TOP View)
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
Noninv
Input
Inv
Input
Compen/PWN
Comp Input
Dead Time
Control
Ground
C1
CT
RT
Noninv
Input
Inv
Input
Vref
Output
Control
E2
E1
VCC
C2
Dead-Time
Comparator
UV
Lockout
PWM
Comparator
Oscillator
12
QD
Ck Q
Flip-
Flop
Q1
Q2
Reference
Regulator
0.7mA
0.7V
0.12V
3.5V
4.9V
8
13
9
11
10
12
7141615321
4
5
6
TL494
Description of major ICs
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
SERVICE MANUAL
COPYRIGHT 2001 VICTOR COMPANY OF JAPAN, LTD.
KS-AX4700KS-AX4700
No. 49621
Apr. 2001
KS-AX4700
POWER AMPLIFIER
Printed in Japan
200104(S)
(No. 49621)
VICTOR COMPANY OF JAPAN, LIMITED
MOBILE ELECTRONICS DIVISION
PERSONAL & MOBILE NETWORK B.U. 10-1,1Chome,Ohwatari-machi,Maebashi-city,Japan
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 are not followed, as it does not have a sub heat sink attached to it.
Contents
Safety precaution
Location of main parts
Removal of main parts
Test method
Description of major ICs
1-2
1-3
1-5
1-7
1-8
Area Suffix
E
J
Continental Europe
Nothem America
w
w
w
.
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a
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6
3
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2
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8
0
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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-AX4700
2-1
Circuit block diagram
Q112,Q212
Q113,Q213
POWER
INPUT
+12V
D.C.
REM
F01
SV01
MUTE
CONTROL
+/- 15V
VCC
VEE
Q80
Q05
~Q08
Q01
Q02
TRANS
T01
PROTECT
Q40,Q41
Q45,Q46
Q55,Q56
POWER
REGULATOR
POWER
CONTROL
U701
FRONT
R-IN
INPUT
AMP
POWER
AMP
Q100
Q200
FRONT
R-OUT
L-OUT
VR101A
5
U101
-A
3
U102
-A
VR102A
3
U103
-A
3
U104
-A
5
U104
-B
BASS BOOST
50Hz 0~12dB VARIABLE
CROSS OVER
80Hz 12dB/OCT FIXED
LPF
OFF
HPF
Q101~
Q111
L-IN
VR101B
3
U101
-B
6
U102
-B
VR102B
3
U105
-A
3
U106
-A
5
U106
-B
LPF
OFF
HPF
Q201~
Q211
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
6
5
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1
BCDEFGH I JA
7
KS-AX4700
2-3
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 are not followed, as it does not have a sub heat sink attached to it.
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
Standard schematic diagrams
MAIN PCB [1/2] and SUB PCB circuit diagrams
D54
1N4744
D53
1N4744
T01
Q80
K30A
MUTE
VEE
VCC
-15V
+15V
UC400650
F01
TH01
50KTH
C27
473P
C61
104P
C62
104P
U01
TL494CN
LED01
SAM3270
C31
104(M)
UC400637UC400641
UC000259
Q55
FQP50N06
FQP50N06
FQP50N06
Q46
Q45
Q56
FQP50N06
Q01
A1023Y
Q08
A1268GR
Q41
A1266GR
Q07
C3198BL
Q02
C3198GR
Q05
A1266GR
Q06
A1266GR
Q40
A1266GR
Q32
C3198GR
Q31
C3198GR
C16
100/16V
C11
2200/25V"RX"
C23
100/16V
C81
47/25V
C67
470/50V
C68
470/50V
C12
2200/25V"RX"
C18
100/16V
C21
10/25V
C22
47/25V
C63
220/16V
C41
100/16V
C17
47/16V
C64
220/16V
C69
2200/50V
C70
2200/50V
C01
10/16V
C19
100/16V
P1
TM0006-00
CHASSIS
SV01
2K
R78
10K/0.5W
R77
10K/0.5W
R36
51K
R35
1.2K
R38
10K
R37
1.2K
R82
2.2M
R39
68K
R47
10/2W
R57
10/2W
R70
470/2W
R81
10K
R80
220K
R15
130KF
R17
4.7K
R18
4.7K
R05
10K
R04
4.7K
R03
4.7K
R02
4.7K
R16
51KF
R20
10K
R19
10K
R26
1K
R30
1K
R31
22K
R32
33K
R33
15K
R34
15K
R40
15K
R41
15KF
R01
10/0.25W
R42
220/0.25W
R45
47
R55
47
R43
220/0.25W
R90
10K
R25
10
R60
100/2W
R56
47
R46
47
R54
1K
R44
1K
R71
470/2W
C80
22P
C24
103(M)
C25
103(M)
C66
104P
C65
104P
C09
105(M)
C15
104P
C13
104P
C92
473P
C40
102(M)"STYCON"
C91
473P
C60
222(M) C74
104P
C73
104P
C93
473P
C20
104P
D71
1N4148
D70
1N4148
D02
1N4004
D05
1N4148
D10
1N4148
D11
1N4148
D01
1N5404
D51
YG225D2
D52
YG225D2
D31 FR154
D32 FR154
D34 FR154
D35 FR154
L10
UC300805
L01
CHASSIS
6T
6T
15T
15T
20A
20A
CL-310
CL-1113
37 PHI
G
G
G
G
D
D
D
D
S
S
S
S
PROTECTION
1234 5 678
9
10
11121314
15
16
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
6
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BCDEFGH I JA
7
KS-AX4700
2-4
+15V
+15V
+15V+15V
U101A
+
-15V
+15V
+15V
-15V
-15V
-15V
-15V
-15V
Q200
K117
Q100
K117
C100
330/25V
C214
C215
C216 C217
C117
C116
C115
C114
MUTE
P2
TM0009-00
SW101B
JSS2319
SW101A
JSS2319
Q204
A1266GR
Q104
A1266GR
Q202
C3198GR
Q102
C3198GR
Q114
B778
Q111
A1220A
Q214
B778
Q210
A1220A
Q203
A1266GR
Q110
A1220A
Q105
A1023Y
Q103
A1266GR
Q205
A1023Y
Q211
A1220A
Q215
B778
Q115
B778
Q113
D998
Q109
C2690A
Q212
D998
Q208
C2690A
Q117
C3198GR
Q116
C3200GR
Q201
C3198GR
Q108
C2690A
Q106
C1027Y
Q107
C3200GR
Q101
C3198GR
Q207
C3200GR
Q206
C1027Y
Q216
C3200GR
Q209
C2690A
Q213
D998
Q112
D998
Q217
C230
4.7/50V
C131
4.7/50V
C151
220/16V
C107
4.7/50V
C101
4.7/50V
C202
4.7/50V
C201
4.7/50V
C207
4.7/50V
C234
10/16V
C133
10/16V
C130
4.7/50V
C139
100/16V
C134
10/16V
C239
100/16V
C233
10/16V
C102
4.7/50V
C231
4.7/50V
JA01-B
DJB-552S
JA01-A
DJB-552S
VR102A
20KB
VR102B
20KB
VR101A
20KB
VR101B
20KB
U106A
NJM2068LD
U106B
NJM2068LD
U105A
NJM2068LD
U103B
NJM2068LD
U105B
NJM2068LD
U101-B
NJM2068LD
U102B
U102A
NJM2068LD
U103A
NJM2068LD
U104B
NJM2068LD
U104A
NJM2068LD
R151
0.1/3W
R153
0.1/3W
R150
220
R249
220
R252
0.1/3W
R253
0.1/3W
R159
680/2W
R259
680/2W
R217
100K
R221
30K
R222
30K
R214
1K
R216
20K
R223 30K
R218
5.6K
R219
470K
R224
62K
R230
10K
R130
10K
R106
24KF
R105
24KF
R115
1K
R113
1K
R124
62K
R103
22KF
R213
1K
R215
1K
R119
470K
R118
5.6K
R123 30K
R255
1.5K
R256
15K
R116
20K
R114
1K
R202
21.5KF
R112
30KF
R111
11KF
R110
15KF
R201
22KF
R232
22KF R245
2.7K
R109
1.3KF
R157
56K
R242
1K
R240
22
R241
22
R212 56KF
R203
22KF
R104
470
R205
24KF
R238
22
R210
15KF
R239
22
R237
1K
R209
1.3KF
R208
1K
R257
56K
R156
15K
R158
4.7/0.5W
R155
1.5K
R147 12KF
R131
5.6KF
R148
560F
R136
1K
R149
220
R143
47
R146
47
R233
1K
R144
3.9K
R134
5.6K
R235
5.6K
R135
5.6K
R133
1K
R108
1K
R137
1K
R139
22
R206 24KF
R138
22
R141
22
R140
22
R142
1K
R145
2.7K
R234
5.6K
R244
3.9K
R246
47
R132
22KF
R243
47
R236
1K
R248
560F
R247 12KF
R250
220
R254
0.1/3W
R251
0.1/3W
R122
30K
R258
4.7/0.5W
R121
30K
R152
0.1/3W
R231
5.6KF
R101
22KF
R102
21.5KF
R117
100K
R211
12K
R154
0.1/3W
C142
104P
C192
473P
C295
473P
C195
473P
C211 47P
C212
224(M)
C205
100P
C104
22P
C113
183(M)
C213
183(M)
C112
224(M)
C111 47P
C294
473P
C108
68P
C135
150P
C194
473P
C206
22P
C136
473(M)
C140
150P
C208 33P
C132
100P
C193
473P
C237
150P
C204
22P
C138 56P
C105
100P
C141
104(M)
C137
150P
C240
150P
C106
22P
C238 56P
C232
100P
C236
473(M)
C235
150P
C241
104(M)
C293
473P
C103
103P
C291
473P
C191
473P
C292
473P
D201
1N4148
D101
1N4148
BASS BOOST(50Hz,0-12dB/oct)
(80Hz,12dB/oct)
LPF-FLAT-HPF
"NP"
PPS039-01
+15V
-15V
HPF
FLAT
LPF
L-IN
R-IN
+15V
-15V
HPF
FLAT
LPF
473(M)
473(M)
473(M)
104(M)
C3198GR
473(M)
473(M)473(M)
104(M)
1
1
1
11
1
2
2
2
22
2
3
3
3
33
3
4
4
8
8
8
88
8
4
4
5
5
6
6
7
7
5
5
5
5
66
6
6
7
7
7
7
4
4
PROTECTION
NJM2068LD
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 are not followed, as it does not have a sub heat sink attached to it.
Indicates main signal path
MAIN PCB [2/2] circuit diagrams
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
6
5
4
3
2
1
BCDEFGH I JA
7
KS-AX4700
2-5
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 are not followed, as it does not have a sub heat sink attached to it.
NETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNET
COMPONENT
COMPONENTCOMPONENTCOMPONENTCOMPONENTCOMPONENT
R-IN
R-OUT
L-OUT
-15V
+15V
R-GND
L-IN
L-GND
-15V
+15V
L-GND
R-GND
KS-AX4700
PPM027-01
36KHz
REV.0
COMPONENT
COMPONENT
COMPONENT
COMPONENT
COMPONENT
RCG
COMPONENT
COMPONENT
COMPONENT
1 2
34
5
8
4
1
2
3
6
7
COMPONENT
COMPONENT
COMPONENT
COMPONENT
POLYGONSOLIDPOLYGONSOLID
ECB
ECB
POLYGONSOLIDPOLYGONSOLID
ECB
ECB
ECB
ECB
ECB
ECB
COMPONENT
COMPONENT
bip
COMPONENT
COMPONENT
NETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNET
C100
COMPONENT
R47
COMPONENT
R57
COMPONENT
W02
COMPONENT
W01
COMPONENT
POLYGONSOLIDPOLYGONSOLID
D53
COMPONENT
POLYGONSOLIDPOLYGONSOLID
D54
COMPONENT
T01
COMPONENT
P02
COMPONENT
R259
COMPONENT
R159
COMPONENT
C69
COMPONENT
C70
COMPONENT
JA01
COMPONENT
F01
COMPONENT
U101
COMPONENT
LED01
COMPONENT
COMPONENTCOMPONENTCOMPONENTCOMPONENT
COMPONENT
COMPONENT
C09
COMPONENT
U01
COMPONENTCOMPONENTCOMPONENTCOMPONENTCOMPONENT
COMPONENT
COMPONENTCOMPONENT
TH01
COMPONENT
P01
COMPONENT
L01
COMPONENT
C11
COMPONENT
C12
COMPONENT
C68
COMPONENT
C67
COMPONENT
D01
COMPONENT
R158
COMPONENT
R258
COMPONENT
R45
COMPONENT
C18
COMPONENT
C16
COMPONENT
C02
COMPONENT
C23
COMPONENT
C41
COMPONENT
J09
COMPONENT
J20
COMPONENT
R38
COMPONENTCOMPONENT
D52
COMPONENT
D51
COMPONENT
Q46
COMPONENT
Q45
COMPONENT
Q56
COMPONENT
Q55
COMPONENT
COMPONENTCOMPONENTCOMPONENTCOMPONENT
D101
COMPONENT
D11
COMPONENT
D05
COMPONENT
D10
COMPONENT
D201
COMPONENT
Q213
COMPONENT
Q115
COMPONENT
Q112
COMPONENT
Q215
COMPONENT
Q114
COMPONENT
Q113
COMPONENT
Q214
COMPONENT
Q212
COMPONENT
COMPONENTCOMPONENT
COMPONENT
COMPONENTCOMPONENTCOMPONENT
Q106
COMPONENT
Q102
COMPONENT
Q31
COMPONENT
Q104
COMPONENT
Q32
COMPONENT
Q117
COMPONENT
Q101
COMPONENT
Q08
COMPONENT
Q07
COMPONENT
Q05
COMPONENT
Q02
COMPONENT
Q100
COMPONENT
Q06
COMPONENT
Q217
COMPONENT
Q80
COMPONENT
Q205
COMPONENT
Q203
COMPONENT
Q107
COMPONENT
Q216
COMPONENT
Q41
COMPONENT
Q40
COMPONENT
Q01
COMPONENT
Q116
COMPONENT
Q103
COMPONENT
Q105
COMPONENT
Q206
COMPONENT
Q202
COMPONENT
Q204
COMPONENT
Q201
COMPONENT
Q200
COMPONENT
Q207
COMPONENT
SV01
COMPONENT
J99
COMPONENT
J63
COMPONENT
J62
COMPONENT
J72
COMPONENT
J71
COMPONENT
R60
COMPONENT
R257
COMPONENT
R150
COMPONENT
R149
COMPONENTCOMPONENT
J82
COMPONENT
J89
COMPONENT
J22
COMPONENT
J27
COMPONENT
J43
COMPONENT
J34
COMPONENT
J24
COMPONENT
J30
COMPONENT
J87
COMPONENT
J29
COMPONENT
J42
COMPONENT
J31
COMPONENT
J86
COMPONENT
J85
COMPONENT
J84
COMPONENT
J28
COMPONENT
J83
COMPONENT
J56
COMPONENT
J73
COMPONENT
J19
COMPONENT
J11
COMPONENT
J41
COMPONENT
J55
COMPONENT
J39
COMPONENT
J10
COMPONENT
J40
COMPONENT
J54
COMPONENT
J23
COMPONENT
J66
COMPONENT
J74
COMPONENT
J65
COMPONENT
J25
COMPONENT
C24
COMPONENT
C25
COMPONENT
C31
COMPONENT
C141
COMPONENT
C40
COMPONENT
C136
COMPONENT
C241
COMPONENT
C60
COMPONENT
C236
COMPONENT
R130
COMPONENT
R37
COMPONENT
R36
COMPONENT
R35
COMPONENT
R131
COMPONENT
R236
COMPONENT
R103
COMPONENT
R202
COMPONENT
R81
COMPONENT
R82
COMPONENT
R238
COMPONENT
R246
COMPONENT
R234
COMPONENT
R243
COMPONENT
R240
COMPONENT
R239
COMPONENT
R241
COMPONENT
R235
COMPONENT
R237
COMPONENT
R90
COMPONENT
R242
COMPONENT
R206
COMPONENT
R203
COMPONENT
R245
COMPONENT
R205
COMPONENT
R106
COMPONENT
R105
COMPONENT
R102
COMPONENT
R201
COMPONENT
R80
COMPONENT
R44
COMPONENT
R244
COMPONENT
R232
COMPONENT
R17
COMPONENT
R18
COMPONENT
R04
COMPONENT
R05
COMPONENT
R03
COMPONENT
R02
COMPONENT
R20
COMPONENT
R19
COMPONENT
R25
COMPONENT
R26
COMPONENT
R30
COMPONENT
R31
COMPONENT
R32
COMPONENT
R34
COMPONENT
R33
COMPONENT
R40
COMPONENT
R41
COMPONENT
R247
COMPONENT
R248
COMPONENT
R108
COMPONENT
R54
COMPONENT
R101
COMPONENT
R39
COMPONENT
R156
COMPONENT
R157
COMPONENT
R233
COMPONENT
R148
COMPONENT
R147
COMPONENT
R132
COMPONENT
R144
COMPONENT
R145
COMPONENT
R142
COMPONENT
R256
COMPONENT
R137
COMPONENT
R135
COMPONENT
R141
COMPONENT
R139
COMPONENT
R140
COMPONENT
R143
COMPONENT
R134
COMPONENT
R146
COMPONENT
R138
COMPONENT
R104
COMPONENT
R208
COMPONENT
R230
COMPONENT
R231
COMPONENT
R16
COMPONENT
R15
COMPONENT
R136
COMPONENT
J76
COMPONENT
J90
COMPONENT
J08
COMPONENT
J07
COMPONENT
J06
COMPONENT
J80
COMPONENT
J81
COMPONENT
J88
COMPONENT
J75
COMPONENT
J47
COMPONENT
J46
COMPONENT
J53
COMPONENT
R55
COMPONENT
R255
COMPONENT
R46
COMPONENT
R155
COMPONENT
R56
COMPONENT
R70
COMPONENT
R71
COMPONENT
C63
COMPONENT
C64
COMPONENT
C151
COMPONENT
J21
COMPONENT
J03
COMPONENT
J04
COMPONENT
J05
COMPONENT
Q210
COMPONENT
Q208
COMPONENT
Q211
COMPONENT
Q110
COMPONENT
Q111
COMPONENT
Q109
COMPONENT
Q209
COMPONENT
Q108
COMPONENT
R152
COMPONENT
R254
COMPONENT
R154
COMPONENT
R151
COMPONENT
R153
COMPONENT
R252
COMPONENT
R251
COMPONENT
R253
COMPONENT
L10
COMPONENT
C234
COMPONENT
C131
COMPONENT
C17
COMPONENT
C239
COMPONENT
C22
COMPONENT
C81
COMPONENT
C202
COMPONENT
C201
COMPONENT
C101
COMPONENT
C102
COMPONENT
C130
COMPONENT
C19
COMPONENT
C230
COMPONENT
C01
COMPONENT
C21
COMPONENT
C233
COMPONENT
C139
COMPONENT
C231
COMPONENT
C134
COMPONENT
C133
COMPONENT
J52
COMPONENT
J51
COMPONENT
J13
COMPONENT
J44
COMPONENT
J12
COMPONENT
J15
COMPONENT
J16
COMPONENT
J17
COMPONENT
J50
COMPONENT
J45
COMPONENT
J48
COMPONENT
J49
COMPONENT
J14
COMPONENT
J64
COMPONENT
J36
COMPONENT
J33
COMPONENT
J02
COMPONENT
J37
COMPONENT
J26
COMPONENT
J32
COMPONENT
J59
COMPONENT
J57
COMPONENT
J60
COMPONENT
J01
COMPONENT
J61
COMPONENT
J58
COMPONENT
J38
COMPONENT
J70
COMPONENT
J35
COMPONENT
J69
COMPONENT
J68
COMPONENT
J67
COMPONENT
D71
COMPONENT
D70
COMPONENT
D35
COMPONENT
D31
COMPONENT
D34
COMPONENT
D32
COMPONENT
D02
COMPONENT
C142
COMPONENT
C106
COMPONENT
C132
COMPONENT
C238
COMPONENT
C103
COMPONENT
C13
COMPONENT
C80
COMPONENT
C91
COMPONENT
C92
COMPONENT
C204
COMPONENT
C206
COMPONENT
C235
COMPONENT
C93
COMPONENT
C237
COMPONENT
C20
COMPONENT
C140
COMPONENT
C74
COMPONENT
C137
COMPONENT
C135
COMPONENT
C73
COMPONENT
C138
COMPONENT
C240
COMPONENT
C291
COMPONENT
C104
COMPONENT
C27
COMPONENT
C65
COMPONENT
C66
COMPONENT
C61
COMPONENT
C232
COMPONENT
C15
COMPONENT
C205
COMPONENT
C105
COMPONENT
C62
COMPONENT
C191
COMPONENT
BJ01
COMPONENT
R133
COMPONENT
R01
COMPONENT
R250
COMPONENT
R249
COMPONENT
R43
COMPONENT
R42
COMPONENT
R78
COMPONENT
R77
COMPONENT
SUB1
Printed circuit boards
MAIN PCB
Surface side view
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
6
5
4
3
2
1
BCDEFGH I JA
7
KS-AX4700
2-6
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 are not followed, as it does not have a sub heat sink attached to it.
COMPONENTCOMPONENTCOMPONENTCOMPONENTCOMPONENTCOMPONENTCOMPONENTCOMPONENTCOMPONENT
COMPONENT
COMPONENT
COMPONENT
COMPONENTCOMPONENTCOMPONENT
COMPONENT
COMPONENTCOMPONENT
COMPONENT
COMPONENTCOMPONENTCOMPONENTCOMPONENT
COMPONENTCOMPONENTCOMPONENT
COMPONENT
COMPONENT
COMPONENTCOMPONENTCOMPONENT
COMPONENTCOMPONENTCOMPONENT
COMPONENT
COMPONENTCOMPONENT
COMPONENTCOMPONENT
COMPONENTCOMPONENT
COMPONENTCOMPONENTCOMPONENTCOMPONENTCOMPONENT
COMPONENT
COMPONENT
COMPONENT
COMPONENT
COMPONENTCOMPONENTCOMPONENTCOMPONENT
COMPONENTCOMPONENTCOMPONENT
COMPONENTCOMPONENT
COMPONENT
COMPONENT
COMPONENTCOMPONENT
COMPONENT
COMPONENTCOMPONENT
COMPONENTCOMPONENT
COMPONENTCOMPONENT
COMPONENT
COMPONENT
COMPONENT
COMPONENT
COMPONENTCOMPONENTCOMPONENT
COMPONENT
COMPONENTCOMPONENT
COMPONENTCOMPONENT
COMPONENTCOMPONENT
COMPONENT
COMPONENT
COMPONENT
COMPONENTCOMPONENTCOMPONENT
COMPONENTCOMPONENT
COMPONENTCOMPONENT
COMPONENT
COMPONENTCOMPONENT
COMPONENT
COMPONENTCOMPONENT
COMPONENT
COMPONENTCOMPONENT
COMPONENT
COMPONENTCOMPONENTCOMPONENTCOMPONENTCOMPONENTCOMPONENTCOMPONENT
COMPONENT
COMPONENTCOMPONENT
COMPONENT
COMPONENT
COMPONENTCOMPONENT
COMPONENT
COMPONENTCOMPONENT
COMPONENT
COMPONENTCOMPONENTCOMPONENTCOMPONENTCOMPONENTCOMPONENTCOMPONENTCOMPONENTCOMPONENTCOMPONENTCOMPONENTCOMPONENT
COMPONENT
COMPONENT
COMPONENT
COMPONENTCOMPONENT
COMPONENTCOMPONENTCOMPONENTCOMPONENT
COMPONENT
COMPONENTCOMPONENTCOMPONENT
COMPONENT
COMPONENTCOMPONENT
COMPONENT
COMPONENT
COMPONENTCOMPONENTCOMPONENTCOMPONENTCOMPONENTCOMPONENT
COMPONENT
COMPONENTCOMPONENT
COMPONENT
COMPONENTCOMPONENTCOMPONENTCOMPONENTCOMPONENT
COMPONENTCOMPONENTCOMPONENT
COMPONENT
COMPONENT
COMPONENT
COMPONENTCOMPONENT
COMPONENT
COMPONENT
COMPONENT
COMPONENTCOMPONENTCOMPONENT
COMPONENTCOMPONENT
COMPONENTCOMPONENT
COMPONENT
COMPONENT
COMPONENT
COMPONENT
COMPONENT
COMPONENT
COMPONENT
COMPONENT
COMPONENT
COMPONENT
COMPONENTCOMPONENT
COMPONENT
COMPONENTCOMPONENT
COMPONENT
COMPONENT
COMPONENTCOMPONENTCOMPONENTCOMPONENTCOMPONENTCOMPONENTCOMPONENTCOMPONENT
COMPONENTCOMPONENTCOMPONENT
COMPONENT
COMPONENTCOMPONENT
COMPONENTCOMPONENT
COMPONENT
COMPONENT
COMPONENTCOMPONENTCOMPONENT
COMPONENTCOMPONENTCOMPONENT
COMPONENTCOMPONENTCOMPONENTCOMPONENTCOMPONENTCOMPONENT
COMPONENT
COMPONENTCOMPONENTCOMPONENTCOMPONENT
COMPONENT
COMPONENT
COMPONENTCOMPONENTCOMPONENT
COMPONENT
COMPONENT
COMPONENTCOMPONENTCOMPONENT
COMPONENT
COMPONENTCOMPONENT
COMPONENTCOMPONENT
COMPONENTCOMPONENTCOMPONENT
COMPONENT
COMPONENTCOMPONENT
COMPONENT
COMPONENTCOMPONENTCOMPONENTCOMPONENT
COMPONENTCOMPONENTCOMPONENTCOMPONENT
COMPONENT
COMPONENTCOMPONENTCOMPONENTCOMPONENTCOMPONENTCOMPONENT
COMPONENTCOMPONENT
COMPONENTCOMPONENT
COMPONENT
COMPONENTCOMPONENT
COMPONENT
COMPONENT
COMPONENTCOMPONENTCOMPONENT
COMPONENTCOMPONENTCOMPONENTCOMPONENTCOMPONENT
COMPONENT
COMPONENT
R70
R71
J51
J49
J83
J82
J48
J50
J52
R43
D11
J04
Q01
R02
R15
J46
J44
J45
D10
R42
Q41
Q40
J21
C13
R01
J08
J07
J06
J03
R38
J09
J11
R45
R46
J12
J13
R56
R55
J14
J17
J16
J15
J10
C80
C93
Q80
R90
Q45Q55Q56 Q46
D71
D70
D32
C91
C92
R82
R44
R54
C24
D31
D34
D35
J88
R80
R81
J90
C61
C62
J89
J81
J80
J47
R41
R30
Q117
J22
J24
R257
R259
R258
C31
R20
C27
R05
Q31
R35
R03
J05
R37
D02
R36
Q32
C15
Q02
J20
R16
Q06
R04
R18
R17
Q217
R25
Q05
R19
Q07
C20
R157
J19 R158
J23
R159
C142
J25
J26
J35
J38
J32
J37
J33
J36
J28
J42
J29
J43
J27 C40
R33
Q08
R31
R40
R34
R32
J31J30
R39
D05
R26
J40
J41
R60
R78
R77
C73
C74
J84
J85
J86
J87
J34
J39
J73
C191
C291
J55
J54
R255
J61
J60
J56
J57 J59J58
Q207
C236
Q204
R241
C235
D53
J99
R237
Q205
J63
Q202
R248
D201
C240
C65
Q216
R256
R250
R249
R243
C238
R247
J53
R233
R234
R239
C237
C232
Q203
Q206
Q201
Q200
R232
R242
J62
R245
R244
R246
R236
R238
R240
R235
R208
R230
R231
C206
C204
C205
R206
R203
R202
R205 R201
J74
J68 J69
J70
J67
J66
R155
J65
J64
R141
Q104
R149
R150
R144
R148
Q102
C135
J71
R137
Q105
R133
D54
C66
J75
R134
R139
D101
Q116
C140
R156
R143
R147
C138
C137
Q106
Q100
R132
Q103
Q101
C132
J76
R136
R135
R140
R138
R130
R131
R108
R142
C136
J72
R145
R146
Q107
C103
R103
C105
C106
R106
C104
R102
R105
R101
R104
Bottom side view
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
6
5
4
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2
1
BCDEFGH I JA
7
KS-AX4700
2-7
NETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNETNET
U104
COMPONENT
U103
COMPONENT
U105
COMPONENT
U106
COMPONENT
U102
COMPONENT
COMPONENTCOMPONENTCOMPONENTCOMPONENTCOMPONENT
C107
COMPONENT
C207
COMPONENT
COMPONENTCOMPONENT
C292
COMPONENT
C208
COMPONENT
C108
COMPONENT
C111
COMPONENT
C211
COMPONENT
C114
COMPONENT
C115
COMPONENT
C116
COMPONENT
C117
COMPONENT
C214
COMPONENT
C215
COMPONENT
C216
COMPONENT
C217
COMPONENT
COMPONENTCOMPONENT
COMPONENT
COMPONENTCOMPONENTCOMPONENTCOMPONENTCOMPONENTCOMPONENTCOMPONENT
COMPONENTCOMPONENT
R109
COMPONENT
R112
COMPONENT
R111
COMPONENTCOMPONENT
R110
COMPONENT
R209
COMPONENT
R212
COMPONENT
R211
COMPONENT
R210
COMPONENT
R114
COMPONENT
R116
COMPONENT
R115
COMPONENT
R216
COMPONENT
R214
COMPONENT
R117
COMPONENT
R118
COMPONENT
R119
COMPONENT
R219
COMPONENT
R218
COMPONENT
R121
COMPONENT
R122
COMPONENT
R123
COMPONENT
R124
COMPONENT
R221
COMPONENT
R222
COMPONENT
R224
COMPONENT
R223
COMPONENT
R213
COMPONENT
R217
COMPONENT
R215
COMPONENT
COMPONENTCOMPONENTCOMPONENT
COMPONENT
COMPONENT
COMPONENTCOMPONENTCOMPONENTCOMPONENTCOMPONENTCOMPONENTCOMPONENT
COMPONENTCOMPONENTCOMPONENT
COMPONENTCOMPONENT
COMPONENTCOMPONENT
COMPONENTCOMPONENTCOMPONENTCOMPONENT
COMPONENT
COMPONENTCOMPONENT
COMPONENT
COMPONENTCOMPONENT
R113
COMPONENT
C112
COMPONENT
C113
COMPONENT
C212
COMPONENT
C213
COMPONENT
C294
COMPONENT
C194
COMPONENT
C193
COMPONENT
C293
COMPONENT
C295
COMPONENT
COMPONENTCOMPONENT
COMPONENTCOMPONENTCOMPONENTCOMPONENT
COMPONENTCOMPONENTCOMPONENTCOMPONENT
COMPONENT
C195
COMPONENT
VR102
COMPONENT
COMPONENTCOMPONENT
VR101
COMPONENT
C192
COMPONENT
COMPONENT
HP02
COMPONENT
COMPONENT
HP01
COMPONENT
COMPONENT
COMPONENT
COMPONENT
SW101
COMPONENTCOMPONENTCOMPONENTCOMPONENT
KS-AX4700
PPS-039-01
REV.O
R114
R116
R115
R118
C111
C112
C113
HP02
U102
R212
R112
C108
C292
C208
R209
R109
C107
C207
R211
R111
R110
R210
C192
C293
U103
R117
R113
VR101
R119
C193
C195
C295
C214
C216
C217
U104
SW101
C211
C294
C194
C215
R213
U105
R214
R215
VR102
R218
C212
C213
U106
R216
R217
R222
R221
R219
R224
R223
HP01
C116
R121
R122
C114
C115
R123
R124
C117
SUB PCB (Volume board)
Surface side view
Bottom side view
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 are not followed, as it does not have a sub heat sink attached to it.
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
KS-AX4700
3-1
PARTS LIST
* All printed circuit boards and its assemblies are not available as service parts.
- Contents -
Exploded view of enclosure assembly and parts list
Electrical parts List
Packing and accessories
KS-AX4700
3-2
3-4
3-7
Areas suffix
E ------------ Continental Europe
J -------------- Northern America
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
KS-AX4700
3-2
26
27
27
7
26
22
9
5
22
22
22
619 19
19 19
19
1
19
19
2
19
19 19
13
14 18
15
25
25
24
24
23
16
20
13
12
11
24
17
16
16
10
10
17
12
11
21
3
19
21
4
20
20
20
20
20
8
Exploded view of enclosure assembly and parts list
Block No. MM
M
1
1/4
18 3/4
18 2/4
18 4/4
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
KS-AX4700
3-3
Item Parts number Parts name Area
A
Parts list ( Enclosure assembly )
Q'ty Description
Block No. M1MM
MA-HS-IT-1123-1
MA-FP-IT-6413-1
MA-RP-IT-6414-1
MA-BC-IT-6415-2
MA-SD-06-1925-0
MA-TC-03-1122-0
MA-TC-04-8034-0
MO-KB-07-6023-2
MO-KB-07-6024-1
MA-SH-IT-6416-1
MA-BR-03-4124-0
MA-BR-03-4125-0
MO-CU-02-4869-1
MO-CU-02-4195-1
MO-CU-02-4127-1
MO-CU-01-4097-1
MO-CU-01-4097-0
MA-SP-02-1901-0
MNSC-04-3-30-08
MNSC-04-2-30-06
MNC-00-3-40-14
MNSC-04-6-30-06
MZSC-04-5-30-08
MZSC-04-5-30-13
MZSC-04-5-30-10
MNSC-00-1-40-7
MOWA-05-8085-0
MAIN HEAT SINK
FRONT PANEL
REAR PANEL
BOTTOM COVER
CONTROL PANEL
PIPE
TOP PANEL
VOLUME KNOB
SWITCH KNOB
SUB HEAT SINK
TR BRACKET-A
TR BRACKET-B
TR/BKT CUSHION-A
TR/BKT CUSHION-B
TR/BKT CUSHION-C
RUBBER CUSH.-A
RUBBER CUSH.-B
SILICON PAD
SCREW
SCREW
SCREW
SCREW
SCREW
SCREW
SCREW
SCREW (SPECIFIC)
POLY WASHER
1
1
1
1
1
1
1
2
1
2
2
2
2
1
1
3
2
1
13
10
8
8
2
4
2
2
2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
460mm(115mm 4)
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
Table of contents
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