JVC KSAX5700 - Amplifier User manual
SERVICE MANUAL
COPYRIGHT © 2005 Victor Company of Japan, Limited No.MA195
2005/9
POWER AMPLIFIER
MA19520059
KS-AX5700
Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
TABLE OF CONTENTS
1 PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
2 SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
3 DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
4 ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
5 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
Area suffix
J ------------- Northern America
E ------------- Southern Europe
U -------------------- Other Areas
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TEL 13942296513 QQ 376315150 892498299
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1-2 (No.MA195)
SPECIFICATION
Design and specifi cations are subject to change without notice.
SECTION 1
PRECAUTION
1.1 Safety Precautions
SECTION 2
SPECIFIC SERVICE INSTRUCTIONS
This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS.
Power Output 200 W RMS ×4 channels at 4 Ωand [ < or = ] 1% THD + N
Signal-to-Noise Ratio 80 dBA (reference: 1 W into 4 Ω)
Maximum Power Output 900 W
Load Impedance 4 Ω(2 Ωto 8 Ωallowance)
4 Ω(4 Ωto 8 Ωallowance) (Bridge mode)
Frequency Response 5 Hz to 50,000 Hz ( +0, -3 dB)
Input Sensitivity/Impedance 1 V/20 kΩ(0.3 V to 6 V, variable)
Distortion Less than 0.004% (at 1 kHz)
Power Requirement DC 14.4 V (11 V to 16 V allowance)
Grounding system Negative ground
Dimensions (W/H/D) 400 mm ×264 mm ×63 mm (15-3/4 in. ×10-7/16 in. ×2-1/2 in.)
Mass (approx.) 5.7 kg (12.6 lbs.)
!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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(No.MA195)1-3
SECTION 3
DISASSEMBLY
3.1 Main body
3.1.1 Removing the main board (See Fig.1 to 3)
(1) From the bottom of the body, remove the six screws Aat-
taching the cover.
(2) Disconnect the wire from connector CN2 on the main
board.
(3) Remove the five screws B, the two screws Dattaching the
main board.
(4) From the front side of the body, remove the six screws E
and the four screws Fattaching the cover.
Fig.1
Fig.2
Fig.3
A
A
Cover
B
BB
DD
CN2
Main board
E
E
F
F
E
Rear cover
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TEL 13942296513 QQ 376315150 892498299
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1-4 (No.MA195)
3.1.2 Removing the cross over A board, the bass boost A
board and the LED A board (See Fig. 4 to 7)
• Prior to performing the following procedure, remove the main
board.
(1) From the bottom of the main board, remove the two screws
Gattaching the bracket.
(2) Remove the screw Hand disconnect the wire.
(3) Disconnect the wire from CN504,CN505 and CN591 on the
main board. Remove the cross over A
board and the bass boost A board with the bracket.
(4) Remove the screw J, the washer and the nut from the
cross over A board.
(5) Remove the washer and nut from the bass boost A board.
(6) Remove the screw Kattaching the LED A board.
Attention:
You can remove the LED A board only from the main board.
Fig.4
Fig.5
Fig.6
Fig.7
G
G
Main board
Bass boost A
board
Cross over
A
board
H
CN591
CN504
CN505
Main board
Bass boost A
board
Cross over A
board
LED A board
Bracket
J
K
Nat
Washer
Bracket
Cross over A board
Bass boost
A
board
LED A board
Nat
Washer
Washer
Bracket
Cross over A board
Bass boost A board
LED A board
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TEL 13942296513 QQ 376315150 892498299
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(No.MA195)1-5
3.1.3 Removing the LED B board and the LED C board (See
Fig.8, 9)
• Prior to performing the following procedure, remove the main
board.
(1) Remove the two screws Mattaching the LED B board and
the LED C board.
(2) Remove the two screws Nattaching the LED B board and
the LED C board.
Fig.8
Fig.9
LED B board LED C board
M
N
N
Bracket
Bracket
LED B board
LED C board
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TEL 13942296513 QQ 376315150 892498299
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1-6 (No.MA195)
SECTION 4
ADJUSTMENT
4.1 IDOLING CURRENT ADJUSTMENT
Instrument requited
DC power
Multimeter
Connection
Connect the DC power to the body (+B, remote and GND). After three minutes or more, start measurement
(wait until the voltage is stabilized).
Remote GND +B
GND DC power +B
Short-circuit the remote terminal and +B terminal
and connect to the power supply.
Use the thick cord for connection.
Measurement and adjustment
L ch; measure the voltage at six point TP105 ~ TP110 and adjust the point highest in voltage to 2.0 mV (VR101).
Measure the voltage at the six points again and confirm it meets the specification.
R ch; measure the voltage at six point TP205 ~ TP210 and adjust the point highest in voltage to 2.0 mV (VR201).
Measure the voltage at the six points again and confirm it meets the specification.
Specification for verification after adjustment
MIN
0.2 [mV]
MAX
2.5 [mV]
EXAMPLE
TP105,107,109,205,207,209 : " + " VALUE
TP106,108,110,206,208,210 : " - " VALUE
105 or 205
TP
106 or 206
107 or 207
108 or 208
109 or 209
110 or 210
1.5
FIRST
MEASURE
[mV]
2.2
1.9
2.9
3.8
2.0
2.0
0.9
SECOND
MEASURE
[mV]
1.6
1.2
2.3
2.0
1.5
Adjust the point highest in voltage to
2.0 [mV] (VR101 or VR201).
After adjustment, measure the voltage
to meet the specification(0.2 ~ 2.5 [mV]).
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TEL 13942296513 QQ 376315150 892498299
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(No.MA195)1-7
4.2 TEST POINT
D591
CN591
C3
C4
C27
C6
C28
C8
C9
C10
C11
C12
C13
C14
C15
C16
C17
C18
C19
C29
C30
C33
C35
C38
C39
C41
C43
C44
C45
C47
C49
C50
C51
C52
C101
C102
C103
C104
C105
C106
C107
C108
C109
C110
C111
C112
C113
C114
C115
C116
C201
C202
C203
C204
C205
C206
C207
C208
C209
C210
C211
C212
C213
C214
C215
C216
C502
C503
C504
C507
C508
C509
C510
C511
C528
C529
C602
C603
C609
C610
C611
C905
C906
C907
C908
CN1
CN2
CN101
CN504
CN505
CN901
D1
D3
D4
D5
D6
D7
D8
D11
C71
D16
D17
D18
D19
C120
D22
D23
C250
C320
C520
D101
D102
D103
D104
D105
D106
D201
D202
D203
D204
D205
D206
D503
D504
D507
D509
D603
D604
D607
D609
F1
F2
IC1
IC501
J501
L1
L2
L3
L5
L6
Q1 Q2
Q3
Q4
Q5
Q6
Q7
Q8
Q9
Q10
Q15
Q16
Q19
Q20
Q21
Q22
Q23
Q25
Q26
Q27
Q28
Q30
Q31
Q32
Q33
Q34
Q101
Q102
Q103
Q104
Q105
Q106 Q107
Q108
Q109 Q110
Q111 Q112 Q113 Q114
Q115 Q116
Q119
Q120
Q201
Q202
Q203
Q204
Q205
Q206
Q207
Q208
Q209
Q210
Q211 Q212
Q213 Q214 Q215 Q216
Q219
Q220
R1
R2
R3
R4
R5
R6
R7
R8
C521
C516
R904
R905
R13
R906
R15
R16
R17
R907
R19
R20
R22
R31
R33
R41
R42
R43
R44
R45
R46
R47
R55
R58
R59
R65
R66R67
R68
R69
R70
R75
R76
R78
R79
R83
R84
R85
R86
R96
R97
R98
R101
R102
R103
R104
R105
R106
R107
R108
R109
R110
R111
R112
R113
R114
R115
R116
R117
R118
R119
R120R121 R122
R123
R124
R125
R126
R127
R128
R129
R130
R131
R132
R133
R134 R135
R139
R140
R141
R143
R144
R145
R146
R147
R148
R149
R150 R151
R201
R202
R203
R204
R205
R206
R207
R208
R209
R210
R211
R212
R213 R214
R215
R216
R217
R218
R219
R220
R221
R222
R223
R224
R225
R226 R227
R228
R229
R230 R231
R232
R233
R234 R235
R239
R240 R241
R243
R244
R246
R247
R248
R249
R250
R251
TP111
C517
R501R507
R509
R510
R511
R512
R513
R514
R601
R609
R610R611
R612
R613
R614
R901
R902
T1
C73
TH1
TH2
TP1
TP2
TP3
TP4
TP5
TP6
TP7
TP8
TP9
TP20
TP23
TP24
TP26
TP102
TP103 TP202
TP203
TP501
TP601
VR101
VR201
R48
R49
R50
R51
R52
R53
R60
W301
B11
B12
B13
C118
C117
C217
C218
C55
L8
L9
C119
C219
IC502
TH3
Q135
Q136
Q137
Q138
D37
R903
R176
R177
R172
R173
R174
R175
R178
R179
R87
C54
R180
R181
R182
R183
R184
C513
C514
C613
C614
R526
R626
R525
R625
R602
C501
R71
R72
R74
R73
C72
R25
C132
F4
F5
R80
D27
C601
R515
R615
Q17
Q18
C24
C25
C22
C23
TP109
C20
W591
EP101
IC521
R521
R522
R621
R622
TP108
TP107
TP106
C70
C62
R26
W311
R162
R163
C131
R166
R164
Q133
Q134
R167
R161
Q132
R169
C130
R160
Q130
Q131
D110
D111
D210
D211
D30
R30
D31
C53
C64
C66
R61
F3
D9
Q35
C67
CN3
L201
L101
R265
R165
R170
D112
R171
D113
R270
D212
R271
D213
C505
R185
R40
TP105
TP210
TP209
TP208
TP207
TP206
TP205
TP211
TP112
TP110
R186
L7
TH4
Q37
R62
BK1
R35
R34
R38
R39
R32 R36
R37
TP112(GND)
TP205
TP206
TP207
TP208
TP209
TP210
TP105
TP106
TP107
TP108
TP109
TP110
TP211(GND)
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TEL 13942296513 QQ 376315150 892498299
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1-8 (No.MA195)
SECTION 5
TROUBLESHOOTING
5.1 Troubleshooting guide
There are five ranks A, B, C, D and E of POWER FET
(Q111, Q112, Q113, Q114, Q115, Q116, Q211, Q212, Q213, Q214, Q215 and Q216).
There are following four groups of IC. If you replace any IC, do other two ICs in the group
at a time to be equal in rank.
Q111, Q113, Q115 (MLE20)
Q112, Q114, Q116 (MJD20)
Q211, Q213, Q215 (MLE20)
Q212, Q214, Q216 (MJD20)
The rank is stamped here (A, B, C, D and E).
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TEL 13942296513 QQ 376315150 892498299
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(No.MA195)
AV & MULTIMEDIA COMPANY CAR ELECTRONICS CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan
Victor Company of Japan, Limited
VPT
Printed in Japan
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SCHEMATIC DIAGRAMS
POWER AMPLIFIER
No.MA195SCH
2005/9
KS-AX5700
COPYRIGHT 2005 Victor Company of Japan, Limited.
Area suffix
J ---------- Northern America
E ---------- Southern Europe
U ----------------- Other Areas
Contents
2-1
2-2
2-8
Block diagram
Standard schematic diagrams
Printed circuit boards
Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
CD-ROM No.SML200509
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
!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
TEL 13942296513 QQ 376315150 892498299
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2-1
Block diagram
LVA10587-A1 LVA10588-A1 LVA10588-A2
LVA10587-A2
LVA10588-A4LVA10588-A3
CROSS OVER A
PROTECT LED
POWER LED
BASS BOOST A
CN1
CN2
CN3CN101CN901J501
IC1 T1
CN504 CN505
FRONT
INPUT
FRONT
HIGH INPUT
FRONT
SPEKER
OUTPUT
POWER
FAN
CONNECTER
W591
S1531
D591
AMPRIFIER
D1921
D1922
1CH OUT
1CH FLAT
2CH OUT
2CH FLAT
PROTECTLED
POWERLED
FAN POWER
THERMAL
VP
CROSS 1CH OUT
CROSS 2CH OUT
BASS BOOST 1CH IN
BASS BOOST 2CH IN
1CH POWER IN
2CH POWER IN
BH+
BH-
BL+
BL-
+15V
-15V
+MUTE
-MUTE
+15V
-15V
SP OUT1+
SP OUT1-
SP OUT2+
SP OUT2-
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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
2-2
Standard schematic diagrams
2ch Power supply section
C39
F2
CN1 Q2
Q1
Q4
Q3
Q21
Q20
Q19
R48
Q6
R7
D3
D4
R4
Q5 Q7
Q33
R3
R8
Q22 Q23
Q17
Q34
L1
C4
Q18
TP26
R87
F1
R
C44
C70
R76
R66
TP3
L8
Q8Q16
Q15
TP20
TP22
Q35
R51
C43
Q2
6
Q27 Q28
Q25
R67
R65
Q37
C55
CN2
CN3
C20
W311
D1
R1R2
R5
R6
R44
D18
C71
R70
R46
R47
R45
R42
R43
C6 R13
C50
R98 R96
R97
C33
D17
D16
R41
R55
F3
D22
C3
C52
C51
C62
D23
R32
R78
R75
R59 R58
R53
L9
D9
C67
R50
R33
C38
R40
R69R68
C41
C45
C47
R34
R26
C53
R35
R36
R37
R38
R39
R61
C66
TH4
R62
0.1
QNG0059-001
QNB0277-001
2SA2054K/Q/-X
2SC5734K/QR/-X
2SC5734K/QR/-X
2SA2054K/Q/-X
2SB1197K/QR/-X
2SC3928A/R/-X
2SC3928A/R/-X
27k
FKV550N
39
1SS355-X
1SS355-X
39
FKV550N FKV550N
2SA1530A/R/-X
6.8
6.8
2SC3928A/R/-X 2SC3928A/R/-X
FKV550N
2SC3928A/R/-X
QQR1664-001
3300/25
FKV550N
10k
QNG0059-001
1
1000p
3300/25
22k
16k
QQR1277-001Z
FKV550NFKV550N
FKV550N
2SC5171
39k
0.1
2SC
3
2SC3928A/R/-X 2SA2054K/Q/-X
2SA1530A/R/-X
4.7k
6.8k
2SA1530A/R/-X
0.1
QGA2001F1-03
QGA2001F1-02
0.01
QUB220-20DMHP-E
FMG-22R
1.5k
1.5k
4.7k
4.7k
1.3k
1SS355-X
1.5/25
3.3k
4.7k
12k
10k
3.3k
3.3k
0.01 10
0.1
2.2k 10k
12k
10/50
UDZS15B-X
UDZS7.5B-X
12k
0
ICP-S1.2-X
1SS355-X
3300/25
0.01
1/50
0.1
1SS355-X
1
15k
4.7k
10k 100k
27k
QQR1277-001Z
UDZS10B-X
0.1
27k
1
0.1
4.7k
27k12k
220/6.3
0.1
1
10k
0.1
1
1
1
1
1
10k
10/16
QAD0164-222
390
POWERGND
DCPROTECT
BGND
POWERGND
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
2-3
C
39
Q138
L6
T1
8
D19
D11
L5
W591
C4
R87
R49
D5
D6 R74
Q32
Q30
Q31
R52
L7
Q9
Q10
L2
L3
IC1
C
70
R66
R22
R72
R17
F4
TP24
CN591
Q26
Q28
R67
R79
Q135
Q136
R167 Q134
Q133
D591
R73
F5
R71
R185
Q137
C20
C9
C29C30
R172
R175
C6
D30
R13
D31
C24
R30
C23
C27C28
R15R16
R19R20
C22 C8
C12C13
C10C11
R83
C14C15
C16C17
C18C19
R84
R85
R86
D7D8
C25
TH3
R78
R53
R25
C49
C64
R50
C35
TH1TH2
R60
R69R68
C47
R31
R160
R162
R163
R164
R166
R169
R161
Q132
C130
C131
Q130
Q131
C132
R80
D27
R184
R186
C54
R183
R173
R174
R176
R177
R178
R180
D37
R181R182
R179
0
.1
QQR1277-001Z
QQS0354-001
1SR156-400-X
1SR156-400-X QQR1277-001Z
WJS0046-004A-E
3
00/25
10k
27k
FMG-32S
FMG-32R
180
2SC3928A/R/-X
2SK368/Y/-X
2SK368/Y/-X
1k
QQR1277-001Z
2SC5171
2SA1930
QQR1277-001Z
QQR1277-001Z
uPC494GS-X
3
00/25
16k
560
180
560
ICP-S1.2-X
QGA2001F1-03
2SC3928A/R/-X
2SA2054K/Q/-X
4.7k
47K
47K
2SK368/Y/-X
SPR-39MVWF
470
ICP-S1.2-X
470
22k
2SC5734K/QR/-X
0.01
1000p
100/100
100/100
10K10K
0.01
1SR156-400-X
10
1SR156-400-X
5600/
100
1000p
0.1/1000.1/100
22
22
10k10k
1000p 1000p
0.1/1000.1/100
5600/
5600/
1k
10/5010/50
10/5010/50
0.10.1
15k
1.2k
1.2k
UDZS15B-XUDZS15B-X
0.01
5600/
NAD0035-471X
15k
27k
120k
0.01
220/6.3
27k
47/25
QAD0070-222QAD0070-222
220k
27k12k
10/50
100
10k
56k
47k
2SC5734K/QR/-X2SA2054K/Q/-X
15K
10
2.2k
47K
2SC3138/Y/-X
10/50
220/16
2SC3928A/R/-X
2SA1530A/R/-X
2SA1255/Y/-X
100/16
220k
1SS355-X
47
22k
0.01
47
6.8k6.8k
33K
33K
47K
22K
2SA2054K/Q/-X
1SS355-X
10K120K
1k
+BL
POWERGND
VP
+BL
POWERGND
+MUTE
+BH
+BH
-15V
-BL
-BH
CGND
POWERGND
-MUTE
MUTE
-BH
POWERGND
+15V
IPROTECT
-15V
POWERLED
PROTECTLED
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
2-4
Amplifier section
Q102 Q103
Q105
Q104
Q110
Q106 Q109
Q108
Q107
C102
C105
Q101
R247
R145
R271
R270
R147
R171
Q111
C201
C101
Q202 Q203
R118
Q205Q204
Q210
Q206 Q209
Q208
Q207
C202
C205
Q201
Q115
R218
Q116
Q211Q215
Q216
TP102
TP202
Q112
Q212
R170
R107
R106 R105
R121
R116
R117
VR201
R111
R110
R102
R104 R103
R108R109
R101
R119 D101
C104
C103
D112
C108C109
C110
C107R115
R114
R113
C106
R112
D113
R127
R234 R135
VR101
R249 R248 R149
R123
D212
R120
R122
R148
D213
R146R246
R207
R206 R205
R221
R216R217
R211
R210
R202
R204 R203
R208
R209
R201
R219 D201
C204
C203
R132
C208C209C210
C207
R215
R214
R213
C206
R212
R235
R227
R124
R126
R232
R224
R223
R220
R222
R133
R125
R233
R225
R226
R239 R139
R134
2SC5734K/GR/-X 2SC5734K/GR/-X
2SA2054K/G/-X2SA2054K/G/-X
2SA1930
2SA1930 2SC5171
2SC5171
47/16
10/16
2SK198/R/-X
10k
47k
100
100
10k
100
MLE20
47/16
47/16
33
2SA2054K/G/-X2SA2054K/G/-X
2SA1930
2SA1930 2SC5171
2SC5171
47/16
10/16
2SK198/R/-X
MLE20
33
MJD20
MLE20MLE20
MJD20
MJD20
MJD20
100
100
100 1.2k
47
220
15k
QVP0033-501Z
100
100
2.7k
2.7k 1.6k
2.7k
1.6k
1k
1.1k 1SS355-X
2SC1815/GL/-T
10/16
1000p
1SS355-X
100p/
0.1
100p/
56p
100
12k
820
100/16
1.2k
1SS355-X
0.1 0.1
QVP0033-501Z
1.2k 1.2k 1.2k
330
1SS355-X
220
47
1.2k
1SS355-X
47k
47k
2SC5734K/GR/-X
2SC5734K/GR/-X
100
100 1.2k
47
22015k
100
100
2.7k
2.7k 1.6k
2.7k1.6k
1k
1.1k 1SS355-X
2SC1815/GL/-T
10/16
1000p
100
100p/
0.1
100p/
56p
100
12k
820
100/16
1.2k
0.1
100
100
100
330
220
47
100
100
100
100
330 330
0.1
+15V
MUTE
-15V
POWERGND
2CHPOWERIN
1CHPOWERIN
+BH
-BH
+BH
-BH
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
2-5
Q120
Q110
Q109
R141
R271
R270
C219
R171
R140
Q111
Q113
Q119
Q220
Q210
Q209
Q115
R241
Q116
R240
Q211
Q213
D103
D203
Q219
CN101
Q215
Q216
TP203
TP103
Q114
Q112
Q212
Q214
D110
C120
D104
D204
D111
D210
L101
D211
L201
R265
R165
R170
C119
C320
C115
C116
D105
D106
D112
R143
R130
D113
R127
R234 R135
R123
D212
R150
R151
C215
D206
D205
C113C114
D213
D102
C112
C111
R144
R250
C216
R251
R132
R243
R230R231
R235
R227
R124
R128
R126
R131
R232
R224
R223
R228
R133
R125
R129
R233
C213C214
R225
D202
C212
C211
R244
R229
R226
R239 R139
C117
C118
C218
C217
R134
C250
2SA1255/Y/-X
2SA1930
2SC5171
3.3k
100
100
1000p
100
3.3k
MLE20
MLE20
2SC3138/Y/-X
2SA1255/Y/-X
2SA1930
2SC5171
MLE20
3.3k
MJD20
3.3k
MLE20
MLE20
1SR156-400-X
1SR156-400-X
2SC3138/Y/-X
QNB0278-001
MLE20
MJD20
MJD20
MJD20
MJD20
MJD20
1SS376-X
0.1/50
1SR156-400-X
1SR156-400-X
1SS376-X
1SS376-X
QQLZ003-1R0
1SS376-X
QQLZ003-1R0
100
100
100
1000p
0.1/50
0.01
0.01
1SS355-X
1SS376-X
2SC1815/GL/-T
1SS355-X
56k
0.1
1SS355-X
0.1
0.1 0.1
330
1SS355-X
1.5k
1.5k
0.01
1SS376-X
1SS355-X
0.0470.047
1SS355-X
1SS355-X
0.1/50
0.1/50
4.7
1.5k
0.01
1.5k
2SC1815/GL/-T
100
56k
0.1
0.1
0.1
0.1
100
100
0.1
0.1
100
100
330
100
100
100
100
100
0.0470.047
100
1SS355-X
0.1/50
0.1/50
4.7
100
0.1
330 330
0.1/50
0.1/500.1/50
0.1/50
0.1
0.1/50
POWERGND
-BH +BH
+BL
+BL
DCPROTECT
+BH-BH
+MUTE
-MUTE
+MUTE
-MUTE
-BL
BGND
BGND
-BL
DCPROTECT
IPROTECT
+BH
-BH
+BH
-BH
POWERGND
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
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http://www.xiaoyu163.com
2-6
2ch Input ,Cross over & Bass boost section
C502
C503
C603
R509
D509
C511
R514
R512
IC501
CN901
C905
C906
D609D607
D507
CN504 CN505
C602
R609
C611
R614
R612
IC501
TP501
TP601
C907
C908
R507
C504
IC521
R522
R621
R622
IC521
C505
J501
R515
R615
R903
IC502
R525
R526
R625
IC502
C514
C614
R626
R602
W1923W1921 W1922
C501
R501
D503D504D603D604
C508
C507
R511
R510
C510
C901C902
C903C904
C601
R601
R611
C610 R513
R610
R613
C609
C509
R901R902
C528
C529
R521
C513
C613
R1921 D1921
D1922
BK1 C516
10/16
10/16
10/16
22k
MC2838-X
22p
27k
22k
NJM4580V-X
QGA4201F1-04
10/16
10/16
MC2838-X
MC2836-X
MC2836-X
QGA2001C1-10 QGA2001C1-10
10/16
22k
22p
27k22k
NJM4580V-X
10/16
10/16
4.7k
0.01
NJM4580V-X
10k
10k
10k
NJM4580V-X
330/16
QNN0745-001
1k
1k
0
NJM4580V-X
22k
10k
22k
NJM4580V-X
15p
15p
10k
0
QGA2001C1-03
WJS0046-004A-E
WJS004
6
1000p
100k
MC2838-X
MC2836-X
MC2838-X
MC2836-X
0.1
0.1
27k
82k
100p
1000p1000p
1000p1000p
1000p
100k
27k
100p
82k
82k
82k
22p
22p
22k22k
10/50
10/50
10k
100p
100p
470 SLR343BBT-T
SLR343BBT-T
1.5/25
+15V
1CHFLAT
2CHFL
A
POWERGND
1CHOUT
-15V
2CHOUT
1CHPOWERIN
1CHOUT
2CHPOWERIN
2CHOUT
2CHFLAT
1CHFLAT
POWERGND
-15V
+15V
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
2-7
W1531
IC533
IC531
IC532
IC533
R1532
R1533
R1531
R1535
R1534
R1536
C1531 C1533
C1532
VR531
VR531
C1534
S1531
IC531
IC532
R1632
R1633
R1631
R1635
R1634
R1636
C1631
C1633
C1632
VR531
VR531
C1634 S1531
C1537
C1538
W1561
IC561
VR562
IC562
IC563
C1561
C1567
C1565
C1566
C1562
R1561
R1565
R1566
R1570 R1571
R1568
R1563
IC561
VR562
IC562
C1661
C1667
C1662
R1661
R1665
R1666
R1670 R1671
R1668
IC563
W1922
R1537
R1538
R1539
C1536
C1535
R1637
R1638
R1639
C1636
C1635
R1640 R1540
VR561
C1563
C1564
R1567
R1569
R1564
R1562
R1572
VR561
C1663C1664
R1667
R1669
R1664
R1663
R1662
R1672
D1922
0
V-X
5
80V-X
WJS0070-001A-E
NJM4580V-X
NJM4580V-X
NJM4580V-X
NJM4580V-X
10K
10k
10k
10k
9.1k
9.1k
47p 0.056
0.056
QVQ0339-C54
QVQ0339-C54
22/16
QSW1151-001
NJM4580V-X
NJM4580V-X
10k
10k
10k
10k
9.1k
9.1k
47p
0.056
0.056
QVQ0339-C54
QVQ0339-C54
22/16
QSW1151-001
0.1
0.1
WJS0070-001A-E NJM4580V-X
QVQ0338-B24
NJM4580V-X
NJM4580V-X
22/16
47p
0.1
0.1
18p
1k
100k
1k
1k 20k
5.6k
15k
NJM4580V-X
QVQ0338-B24
NJM4580V-X
22/16
47p
27p
1k
68k
1k
1k 20k
5.6k NJM4580V-X
WJS0046-005A-E
22k
22k
22k
22/16
22/16
22k
22k
22k
22/16
22/16
9.1k 9.1k
QVQ0338-B24
0.220.018
1k
560k
1k
1.1k
22k
QVQ0338-B24
0.220.018
1k
560k
12k
15k
1.1k
22k
SLR343BBT-T
1CHFLAT
2CHFLAT
C
HOUT
w
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3
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0
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1
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2
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Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
2-8
Main board
Printed circuit boards
Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
C3
C6
C28
C8
C9
C11
C13
C15
C17
C19
C30
C201
C202
C203
C204
C205
C206
C207
C208
C209
C210
C211
C212
C213
C214
C215
C216
CN2
CN101
D1
D4
D6
D8
C71
D19
C120
C250
C320
D103
D104
D201
D202
D203
D204
D205
D206
F1
F2
L1
L3
L6
Q3
Q4
Q7
Q8
Q10
Q31
Q201
Q202
Q203
Q204
Q205
Q206
Q207
Q208
Q209
Q210
Q211 Q212
Q213 Q214 Q215 Q216
Q219
Q220
R2
R6
R7
R8
R16
R20
R22
R31
R201
R202
R203
R204
R205
R206
R207
R208
R209
R210
R211
R212
R213 R214
R215
R216
R217
R218
R219
R220
R221
R222
R223
R224
R225
R226 R227
R228
R229
R230 R231
R232
R233
R234 R235
R239
R240 R241
R243
R244
R246
R247
R248
R249
R250
R251
T1
TH2
TP4
TP9
TP103
TP203
VR201
B12
B13
C217
C218
C119
C219
TH3
Q135
Q136
Q137
Q138
D37
R176
R177
R172
R173
R174
R175
R178
R179
R180
R181
R182
R183
R184
R74
R73
C72
C132
F5
Q17
Q18
C25
C22
C23
EP101
C62
R26
W311
R162
R163
C131
R166
R164
Q133
R161
Q132
R169
C130
R160
Q130
Q131
D210
D211
D31
C66
R61
D9
Q35
C67
CN3
L201
L101
R265
R165
R270
D212
R271
D213
R185
TP210
TP209
TP208
TP207
TP206
TP205
TP211
R186
L7
TH4
Q37
R62
R35
R34
R38
R39
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
Table of contents
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