Alto AMX-140 User manual

ServiceManual
www.altoproaudio.com
Version: .2
Model: AMX-140/AMX-140FX

CONTENTS
1. Specification
2. Block Diagram
3. Schematic Diagram
4. Printed Circuit Board
5. Wiring Diagram
6. Test Procedure
7. Electrical Parts List
8. Exploded Views & Mechanical Parts List
9. Notes

Mono input channels
Microphone input electronically balanced, discrete input configuration
Frequency response 10Hz to 55kHz, + /- 3dB
Distortion (THD & N) 0.005% at +4dBu, 1kHz
Gain range 0dB to 44dB (MIC)
SNR (Signal to Noise Ratio) 115dB
Line input electronically balanced
Frequency response 10Hz to 55kHz, + -3dB
Distortion (THD & N) 0.005% at +4dBu, 1kHz
Sensitivity range +15dBu to -30dBu
Stereo input channels
Line input Unbalanced
Frequency response 10Hz to 55kHz, +/- 3dB
Distortion (THD & N) 0.005% at +4dBu, 1kHz
Impedances
Microphone input 1.4kOhm
Channel Insert return 2.5kOhm
All other inputs 10kOhm or greater
Tape out 1kOhm
All other output 120Ohm
Equalization
Hi shelving + /- 15dB @12kHz
Mid bell + /- 12dB @2.5kHz
Low shelving + /- 15dB @80Hz
Low Cut filter 75Hz, 18dB/oct.
DSP Section (For AMX-140FX Model)
A/D and D/A converters 24 bit
DSP resolution 24 bit
Type of effects Hall, Room, Vocal & Plate REVERBS
Mono & Stereo DELAY (max DELAY TIME 650ms)
Chorus, Flanger & Reverb MODULATIONS
REVERB+DELAY, REVERB+CHORUS,
REVERB+FLANGER combinations
Presets 256
Controls 16-position PRESET Selector
16-position VARIATION selector
PEAK LED
MUTE SWITCH with LED indicator
Main Mix Section
Noise (Bus noise) Fader 0 dB, channels muted: -100dBr (ref.:+4dBu)
Fader 0dB, all input channels assigned and set to
UNITY gain: 90dBr (ref.:+4dBu)
Max output +22dBu balanced XLR,
+22dBu unbalanced, 1/4" jacks
AUX Returns gain range - ∞ to +20dB
AUX Sends max out +22dBu
Power supply (AC/AC Adaptor)
Main voltage USA/Canada 100 120V~, 60Hz
Europe 210 240V~, 50Hz
U.K./Australia 240V~, 50Hz
Power Consumption 17.1 watts
Physical
Dimension (W X D X H) 270mmX310mmX35/45mm
(7.79"X8.95”X1.01”/1.30”)
Net weight 3.0Kg (6.61lb)
Shipping weight 3.6Kg (7.94lb)

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RevisionModel No:
19-Dec-2003
ALTO MIXING CONSOLE
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AMX-140FX BLOCK DIAGRAM VER031210
A2(C)
MONO INPUT CHANNELS ( 1-4 )
2
1
3
MIC IN
+48V
3-BAND EQ
12K2.5K80
HI PASS
2
1
3LO CUT
SG/OL
LEFT-BUS
RIGHT-BUS
AUX-1
AUX-2
RIGHT-BUS
LEFT-BUS
AUX-1
AUX-2
STEREO INPUT CHANNELS (5-8)
EQ 12K2.5K80
LEFT-BUS
RIGHT-BUS
AUX-1
AUX-2
LEFT-BUS
RIGHT-BUS
STEREO AUX RETURN 2
RIGHT-BUS
LEFT-BUS
AUX-1
AUX SEND
AUX-2
MAIN OUT
LEFT-BUS
RIGHT-BUS
2
1
3
2TK TO MIX
2
1
3RIGHT-BUS
LEFT-BUS
TAPE IN
RIGHT
2-TRACK
21
3
2TK TO CTRL ROOM
21
3
PHONES OUTPUT
LEFT METER
RIGHT METER
75Hz
+/-15db
3-BAND EQ
12K2.5K80
+/-15db
3c
5e
1a
4d
2b
LEFT 3c
5e
1a
4d
2b
RIGHT
MAIN MIX
AUX SEND1
T
R
S
AUX SEND2
T
R
S
MAIN MIX LEFT
T
R
S
MAIN MIX RIGHT
T
R
S
CONTROL ROOM OUTPUT
LEFT
T
R
S
RIGHT
T
R
S
PHONES
T
R
S
& PHONES
CONTROL ROOM
LEFT
TAPE OUT
2
1
3
2
1
3
LEVEL
AUX RETURN2
STEREO AUX RETURN 1
3c
5e
1a
4d
2b
LEFT(MONO)
3c
5e
1a
4d
2b
RIGHT
AUX RETURN1
-
+
T
R
S
RN
TN
T
R
S
RN
TN
T
R
S
RN
TN
T
R
S
RN
TN
PAN
PHANTOM
LINE IN
GA N
-
+
POWER
-
+
-
+
-
+
LO MID HI
1 2
1 2
AUX1
AUX2
LEVEL
POST
PRE
BALANCE
AUX1
AUX2
LEVEL
LO M D HI
SG/OL
3c
5e
1a
4d
2b
LEFT(MONO)
3c
5e
1a
4d
2b
RIGHT
T
R
S
RN
TN
T
R
S
RN
TN
-
+
-
+
2
1
3
MIC5 IN
+48V
PHANTOM GAIN
-
+
POWER
CHANNEL 5,6 ONLY
3c
5e
1a
4d
2b
INSERT
T
R
S
RN
TN
MIC GAIN:0~60dB
LINE IN TRIM:+15dB~-45dB
EFX SEND
DSP BOARD
PRESETS
VARIATIONS
MUTE
DSP FOOTSWITCH
EFX SEND
LEFT-BUS
RIGHT-BUS
AUX-1
AUX-2
EFX SEND
AUX-1
AUX1
2TK IN
LEVEL

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RevisionModel No
18-Aug-2005 KEVIN LIN
AMX-140
51of
AMX-140 VER030722
A2
5
67
U5B
NJM4580M
R131
62K
R177
20K
C86
47u/25V
C70
0.22u/50V
C71
0.22u/50V
C72
0.22u/50V
R149
6K8
1
2
3
SW1A
PS-22E85L
5
6
P
SW1B
PS-22E85L
LO CUT
3c
5e
1a
d
2b
X1
JY-6351G-02-250
EQ HI
12KHZ
C131
18n(M) VR2
B50K
R151
6K8
VR4
B50K
R150
6K8
LO
R47
10K
C87
47u/25V
5
67
U9B
NJM4580M
R220
1M
C179
22P
R212
1K1
VR3
B50K
R137
1K3
MID
R196
910R
C155
12n(M)
R197
910R
C139
33n(M) C140
33n(M)
C171
12n(M)
C163
18n(M)
C88
47u/25V
R285
8K06
VR6
W50K
AUX-1
R228
47K
R248
4K7
C195
2.2u/50V R152
6K8
TR2
BR
TR1
BR
R264
1K5 VCC
LD1
RED
R236
22K
3
21
U9A
NJM4580M
VR8
W50K
PEAK
C89
47u/25V R256
3K9
R270
36K
C180
22P
VR5
W50K
C90
47u/25V
R284
8K06
AUX-2
LEVEL
AUX-POST
R287
5K1
R286
5K1
LEFT-BUS
RIGHT-BUS
PAN
PGND
AUX-PRE
T
R
S
RN
TN
80HZ
2.5K
INSERT1
5
67
U6B
NJM4580M
R132
62K
R138
1K3
R179
20K
C93
47u/25V
C73
0.22u/50V
C74
0.22u/50V
C75
0.22u/50V
R153
6K8
1
2
3
SW2A
PS-22E85L
5
6
P
SW2B
PS-22E85L
LO CUT
3c
5e
1a
d
2b
X2
JY-6351G-02-250
EQ HI
12KHZ
C132
18n(M) VR10
B50K
R155
6K8
VR12
B50K
R154
6K8
LO
R55
10K
C94
47u/25V
5
67
U10B
NJM4580M
R221
1M
C181
22P
R213
1K1
VR11
B50K
R139
1K3
MID
R198
910R
C156
12n(M)
R199
910R
C141
33n(M) C142
33n(M)
C172
12n(M)
C164
18n(M)
C95
47u/25V
R289
8K06
VR14
W50K
AUX-1
R229
47K
R249
4K7
C196
2.2u/50V R156
6K8
TR4
BR
TR3
BR
R265
1K5 VCC
LD2
RED
R237
22K
3
21
U10A
NJM4580M
VR16
W50K
PEAK
C96
47u/25V R257
3K9
R271
36K
C183
22P
VR13
W50K
C98
47u/25V
R288
8K06
AUX-2
LEVEL
AUX-POST
R291
5K1
R290
5K1
LEFT-BUS
RIGHT-BUS
PAN
PGND
AUX-PRE
T
R
S
RN
TN
80HZ
2.5K
INSERT2
5
67
U7B
NJM4580M
R133
62K
R140
1K3
R182
20K
C100
47u/25V
C76
0.22u/50V
C77
0.22u/50V
C78
0.22u/50V
R157
6K8
1
2
3
SW3A
PS-22E85L
5
6
P
SW3B
PS-22E85L
LO CUT
3c
5e
1a
d
2b
X3
JY-6351G-02-250
EQ HI
12KHZ
C133
18n(M) VR18
B50K
R159
6K8
VR20
B50K
R158
6K8
LO
R63
10K
C101
47u/25V
5
67
U11B
NJM4580M
R222
1M
C182
22P
R214
1K1
VR19
B50K
R141
1K3
MID
R200
910R
C157
12n(M)
R201
910R
C143
33n(M) C144
33n(M)
C173
12n(M)
C165
18n(M)
C103
47u/25V
R293
8K06
VR22
W50K
AUX-1
R230
47K
R250
4K7
C197
2.2u/50V R160
6K8
TR6
BR
TR5
BR
R266
1K5 VCC
LD3
RED
R238
22K
3
21
U11A
NJM4580M
VR24
W50K
PEAK
C97
47u/25V R258
3K9
R272
36K
C184
22P
VR21
W50K
C106
47u/25V
R292
8K06
AUX-2
LEVEL
AUX-POST
R295
5K1
R294
5K1
LEFT-BUS
RIGHT-BUS
PAN
PGND
AUX-PRE
T
R
S
RN
TN
80HZ
2.5K
INSERT3
5
67
U8B
NJM4580M
R134
62K
R142
1K3
R183
20K
C108
47u/25V
C79
0.22u/50V
C80
0.22u/50V
C81
0.22u/50V
R161
6K8
1
2
3
SW4A
PS-22E85L
5
6
P
SW4B
PS-22E85L
LO CUT
3c
5e
1a
d
2b
X4
JY-6351G-02-250
EQ HI
12KHZ
C134
18n(M) VR26
B50K
R163
6K8
VR28
B50K
R162
6K8
LO
R71
10K
C102
47u/25V
5
67
U12B
NJM4580M
R223
1M
C185
22P
R215
1K1
VR27
B50K
R143
1K3
MID
R202
910R
C158
12n(M)
R203
910R
C145
33n(M) C146
33n(M)
C174
12n(M)
C166
18n(M)
C104
47u/25V
R298
8K06
VR30
W50K
AUX-1
R231
47K
R251
4K7
C198
2.2u/50V R164
6K8
TR8
BR
TR7
BR
R267
1K5 VCC
LD4
RED
R239
22K
3
21
U12A
NJM4580M
VR32
W50K
PEAK
C105
47u/25V R259
3K9
R273
36K
C186
22P
VR29
W50K
C107
47u/25V
R297
8K06
AUX-2
LEVEL
AUX-POST
R296
5K1
R299
5K1
LEFT-BUS
RIGHT-BUS
AUX-PRE
T
R
S
RN
TN
80HZ
2.5K
INSERT4
U1~ U12=
AMX-1 0
AMX1 0FX S01 AMX-1 0
AMX1 0FX S03
J2
POST
(PRE)
1
2
3J1
POST
(PRE)
J3
POST
(PRE)
J4
POST
(PRE)
(SOLTON 1K2)用
MIC GAIN -10~-60dB
LINE IN GAIN +10~-40dB
C319
47u/25V
C318
47u/25V
C320
47u/25V
C321
47u/25V
VR1
O10K
C1
470P C15
22u/35V R19
11K0
LINE IN1
MIC 1 C21
47u/50V R23
3K60
R15
6K81 1/4W
PH PWR
C3
470P
R16
6K81 1/4W
C22
47u/50V
C4
47P
R20
11K0 R24
3K60
C16
22u/35V
R69
51.1K
R68
51.1K
C2
470P
2
1
3
X5
SMC-6.02
R3
5K11
R4
5K11
C27
22P
C28
22P
R26
10K0
R73
27R
C23
000u/10V
3
21
U1A
580M R25
10K0 R27
5K11
C29
22P R28
5K11
C30
22P
C17
47u/25V
R5
20K
3c
5e
1a
d
2b
X6
JY-6351G-02-250
5
67
U1B
580M
3
21
U5A
580M
R2
R7
R1
R7
VR9
O10K
C5
470P
C18
22u/35V R21
11K0
LINE IN2
MIC 2
C24
47u/50V
R29
3K60
R17
6K81 1/4W
PH PWR
C10
470P
R18
6K81 1/4W
C25
47u/50V
C11
47P
R22
11K0 R30
3K60
C19
22u/35V
R386
51K1
R8
51K1
C7
470P
2
1
3
X7
SMC-6.02
R10
5K11
R11
5K11
C31
22P
C32
22P
R32
10K0
R74
27R
C26
000u/10V
3
21
U2A
580M R31
10K0 R33
5K11
C33
22P
R34
5K11
C34
22P
C20
47u/25V
R12
20K
3c
5e
1a
d
2b
X8
JY-6351G-02-250
5
67
U2B
580M
3
21
U6A
580M
R38
R7
R37
R7
VR17
O10K
C6
470P
C38
22u/35V R46
11K0
LINE IN3
MIC 3
C44
47u/50V
R51
3K60
R70
6K81 1/4W
PH PWR
C13
470P
R42
6K81 1/4W
C48
47u/50V
C35
47P
R48
11K0 R53
3K60
C40
22u/35V
R36
51.1K
R35
51.1K
C9
470P
2
1
3
X9
SMC-6.02
R64
5K11
R66
5K11
C54
22P
C52
22P
R59
10K0
R56
27R
C50
000u/10V
3
21
U3A
580M R58
10K0 R62
5K11
C55
22P
R76
5K11
C58
22P
C61
47u/25V
R84
20K
3c
5e
1a
d
2b
X10
JY-6351G-02-250
5
67
U3B
580M
3
21
U7A
580M
R7
R7
R6
R7
VR25
O10K
C8
470P
C39
22u/35V R49
11K0
MIC 4
C41
47u/50V
R52
3K60
R43
6K81 1/4W
PH PWR
C12
470P
R45
6K81 1/4W
C49
47u/50V
C36
47P
R50
11K0 R54
3K60
C14
22u/35V
R40
51K1
R387
51K1
C37
470P
2
1
3
X11
SMC-6.02
R65
5K11
R83
5K11
C59
22P
C53
22P
R61
10K0
R57
27R
C51
000u/10V
3
21
U A
580M R60
10K0 R67
5K11
C57
22P R75
5K11
C60
22P
C62
47u/25V
R85
20K
3c
5e
1a
d
2b
X12
JY-6351G-02-250
5
67
U B
580M
3
21
U8A
580M
R13
R7
R1
R7
LINE IN4
1
2
3
GND
GND
5
VR7
W50K
R77
4K7
R78
4K7
VR15
W50K
R79
4K7
R80
4K7
VR23
W50K
R81
4K7
R82
4K7
PAN
VR31
W50K
R9
4K7
R44
4K7
AMX-1 0
AMX1 0FX S02
8
U2C
8
U8C
8
U1C
8
U9C
8
U6C
C203
100n
C204
100n
VCC
-VCC
C205
100n
C206
100n
8
U7C
C293
100n
C294
100n
C295
100n
C296
100n
C297
100n
C298
100n
C299
100n
C300
100n
8
U10C
8
U11C
C301
100n
C302
100n
C303
100n
C304
100n
8
U12C
C42
100n
C63
100n
8
U5C
8
U3C
8
U4C
C287
100n
C288
100n
C289
100n
C290
100n
C291
100n
C292
100n
NJM4580M
AMX-1 0
AMX1 0FX S0
R136
1K3
PGND
AMX-140FX (1/5)

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Titel
Size
File
Date Drawn By
Sheet
RevisionModel No
18-Aug-2005 KEVIN LIN
AMX140FX
52of
AMX140FX VER030722
A2
3c
5e
1a
d
2b
X14
JY-6351G-02-250
EQ HI
12KHZ
C135
18n(M) VR34A
B50K
R167
6K8
VR36A
B50K
R166
6K8
LO
R96
10K
C111
47u/25V
3
21
U16A
NJM4580M
R224
1M
C187
22P
R216
1K1
VR35A
B50K
R145
1K3
MID
R204
910R
C159
12n(M)
R205
910R
C147
33n(M) C148
33n(M)
C175
12n(M)
C167
18n(M)
C112
47u/25V
R312
2K7
VR38
W50K
AUX-1
R232
47K
R254
4K7
C199
2.2u/50V R170
6K8
TR10
BR
TR9
BR
R268
1K5 VCC
LD5
RED
R244
22K 3
21
U17A
NJM4580M
VR40A
W50K
PEAK
C113
47u/25V R260
3K9 R281
36K
C188
22P
VR37
W50K
C116
47u/25V
R313
4K7
AUX-2
LEVEL
AUX-POST
VR39A
W50K
VR39B
W50K
R311
5K1
R310
5K1
LEFT-BUS
RIGHT-BUS
BAL
PGND
AUX-PRE
T
R
S
RN
TN
80HZ
2.5K
LINE IN 5/6
3c
5e
1a
d
2b
X15
JY-6351G-02-250
T
R
S
RN
TN
LEFT(MONO)
RIGHT
3
21
U15A
NJM4580M
R108
10K0
C66
22P
C117
47u/25V
R105
10K0
C227
22P
R101
18K
C275
100P
R102
18K
C273
100P
5
67
U15B
NJM4580M
R109
10K0
C67
22P
C118
47u/25V
R106
10K0
C228
22P
R103
18K
C276
100P
R104
18K
C274
100P
R107
10K0
R110
10K0
EQ HI
12KHZ
C136
18n(M) VR34B
B50K
R169
6K8
VR36B
B50K
R168
6K8
LO
R111
10K
C119
47u/25V
5
67
U16B
NJM4580M
R225
1M
C190
22P
R217
1K1
VR35B
B50K
R146
1K3
MID
R206
910R
C160
12n(M)
R207
910R
C149
33n(M) C150
33n(M)
C176
12n(M)
C168
18n(M)
C120
47u/25V
80HZ
2.5K
R192
20K
R193
20K
R97
10K0
R98
10K0
R233
47K
R245
22K 5
67
U17B
NJM4580M
VR40B
W50K
C114
47u/25V R261
3K9
R280
36K
C189
22P
C115
47u/25V
LEVEL
R100
10K
R99
10K
EQ HI
12KHZ
C137
18n(M) VR41A
B50K
R172
6K8
VR43A
B50K
R171
6K8
LO
R120
10K
C124
47u/25V
3
21
U19A
NJM4580M
R226
1M
C191
22P
R218
1K1
VR42A
B50K
R147
1K3
MID
R208
910R
C161
12n(M)
R209
910R
C151
33n(M) C152
33n(M)
C177
12n(M)
C169
18n(M)
C127
47u/25V
R317
2K7
VR45
W50K
AUX-1
R235
47K
R255
4K7
C200
2.2u/50V R173
6K8
TR12
BR
TR11
BR
R269
1K5 VCC
LD6
RED
R246
22K 3
21
U20A
NJM4580M
VR47A
W50K
PEAK
C121
47u/25V R262
3K9 R283
36K
C192
22P
VR44
W50K
C130
47u/25V
R314
4K7
AUX-2
LEVEL
AUX-POST
VR46A
W50K
VR46B
W50K
R316
5K1
R315
5K1
LEFT-BUS
RIGHT-BUS
BAL
PGND
AUX-PRE
80HZ
2.5K
EQ HI
12KHZ
C138
18n(M) VR41B
B50K
R175
6K8
VR43B
B50K
R174
6K8
LO
R125
10K
C125
47u/25V
5
67
U19B
NJM4580M
R227
1M
C193
22P
R219
1K1
VR42B
B50K
R148
1K3
MID
R210
910R
C162
12n(M)
R211
910R
C153
33n(M) C154
33n(M)
C178
12n(M)
C170
18n(M)
C126
47u/25V
80HZ
2.5K
R121
10K0
R122
10K0
R234
47K
R247
22K 5
67
U20B
NJM4580M
VR47B
W50K
C128
47u/25V R263
3K9
R282
36K
C194
22P
C129
47u/25V
LEVEL
R124
10K
R123
10K
3c
5e
1a
d
2b
X16
JY-6351G-02-250
T
R
S
RN
TN
LINE IN 7/8
3c
5e
1a
d
2b
X17
JY-6351G-02-250
T
R
S
RN
TN
LEFT(MONO)
RIGHT
3
21
U18A
NJM4580M
R118
10K0
C68
22P
C122
47u/25V
R116
10K0
C229
22P
R112
10K0
C279
100P
R113
10K0
C277
100P
5
67
U18B
NJM4580M
R119
10K0
C69
22P
C123
47u/25V
R117
10K0
C230
22P
R114
10K0
C280
100P
R115
10K0
C278
100P
R194
20K
R195
20K
J5
POST
(PRE)
J6
POST
(PRE)
R190
20K
1
2
3
GND
GND
5
VR33
O10K
LINE IN5
MIC 5 C91
47u/50V R127
3K60
R91
6K81 1/4W
PH PWR
C82
470P
R72
6K81 1/4W
C92
47u/50V
C83
47P
R126
3K60
2
1
3
X13
SMC-6.02
R144
5K11
R135
5K11
C43
22P
C110
22P
R129
10K0
R128
27R
C99
000u/10V
3
21
U13A
580M R130
10K0 R165
5K11
C46
22P
R176
5K11
C47
22P
C56
47u/25V
5
67
U13B
580M
3
21
U1 A
580M
R 1
R7
R39
R7
R178
4K7
R180
4K7
R181
4K7
R184
4K7
8
U14C
8
U20C
8
U13C
8
U18C
C65
100n
C64
100n
VCC
-VCC
C85
100n
C84
100n
8
U19C
C210
100n
C211
100n
C212
100n
C215
100n
C216
100n
C217
100n
8
U17C
8
U15C
8
U16C
C109
100n
C201
100n
C202
100n
C207
100n
C208
100n
C209
100n
U1~ U12= NJM4580M
AMX-140FX (2/5)

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RevisionModel No
18-Aug-2005 KEVIN LIN
AMX140FX
53of
AMX140FX VER030722
A2
3c
5e
1a
d
2b
X18
JY-6351G-02-250
STEREO AUX
LEFT 1
C265
100P
3c
5e
1a
d
2b
X19
JY-6351G-02-250
RIGHT 1
C241
47u/25V R191
8K2
R241
22K
C266
100P
C239
47u/25V R94
8K2
R240
22K
VR48B
W50K
VR48A
W50K
3
21
U21A
NJM4580M
5
67
U21B
NJM4580M
R318
56K
C223
22P
C243
47u/25V
R302
8K2
R320
56K
C269
22P
C245
47u/25V
R304
8K2
5
67
U25B
NJM4580M
3
21
U25A
NJM4580M
R300
5K1
C259
22P
LEFT-BUS
RIGHT-BUS
C260
22P
R306
6K34
R305
6K34
R301
5K1
C234
47u/25V
C233
47u/25V
5
67
U26B
NJM4580M
3
21
U26A
NJM4580M
R277
36K
C264
22P
R338
3K6
C235
47u/25V
VR51B
W50K
MAIN MIX
VR51A
W50K
R276
36K
C263
22P
R339
3K6
C236
47u/25V
C237
47u/25V
C238
47u/25V
R90
10K0
R89
10K0
R329
120R
3c
5e
1a
d
2b
X24
JY-6351G-02-250
R327
120R
3c
5e
1a
d
2b
X25
JY-6351G-02-250
R328
120R
R326
120R
MAIN OUT
(BALANCED)
LEFT
RIGHT
R342
1K
R343
1K
L(WHITE)
R(RED)
C251
47u/25V
R188
20K 3
21
U23A
NJM4580M
R189
20K
C282
22P
C252
47u/25V
R385
10K0
R309
5K1
C246
47u/25V
R186
20K 5
67
U23B
NJM4580M
R187
20K
C281
22P
C248
47u/25V
R381
10K0
R308
5K1
TAPE IN
1
2
3
SW9A
PS-22E85L
LEFT-BUS
5
6
P
SW9B
PS-22E85L
RIGHT-BUS
2TK TO MIX
1
2
3
SW10A
PS-22E85L
R348
27K
2TK TO
3
21
U27A
NJM4580M
VR50B
W50K
C249
47u/25V R344
7K5
R278
36K
C225
22P
C250
47u/25V
R382
10K0
3
21
U29A
BA15218N
5
67
U29B
BA15218N
3c
5e
1a
d
2b
X29
JY-6351G-02-250
R337
120R
R333
120R
CTRL ROOM OUT
C262
22P
R384
10K0
R332
120R
3c
5e
1a
d
2b
X28
JY-6351G-02-250
R334
120R
PHONES
R331
120R
R330
120R
5
6
P
SW10B
PS-22E85L
R349
27K
5
67
U27B
NJM4580M
VR50A
W50K
C255
47u/25V R345
7K5 R279
36K
C226
22P
C256
47u/25V
R86
10K0
3c
5e
1a
d
2b
X30
JY-6351G-02-250
3
21
U28A
BA15218N
5
67
U28B
BA15218N
R336
120R
R335
120R
R383
10K0
C261
22P
8
U28C
BA15218N
8
U29C
BA15218N
R347
47R
R346
47R
C253
47u/25V
C254
47u/25V
AUX RETURN 1
L-METER
R-METER
R340
10K0
R341
10K0
3c
5e
1a
d
2b
X22
JY-6351G-02-250
AUX SEND1
R324
120R
R323
120R
R88
20K
C231
47u/25V
3
21
U24A
NJM4580M
R275
43K
C222
22P
AUX-1
3c
5e
1a
d
2b
X23
JY-6351G-02-250
AUX SEND2
R322
120R
R325
120R
R185
20K
C232
47u/25V
5
67
U24B
NJM4580M
R274
43K
C221
22P
AUX-2
ROOM
C271
100P
C272
100P
TAPE OUT
MAIN MIX
AUX-1
T
R
S
RN
TN
T
R
S
RN
TN
LEFT-BUS
RIGHT-BUS
T
R
S
RN
TN
T
R
S
RN
TN
LEFT
RIGHT
R388
30K
R389
30K
CONTROL
PHONES/
CTRL ROOM
RETURN2
STEREO AUX
RETURN1
C267
100P
C242
47u/25V R92
10K0 R242
62K
C268
100P
C240
47u/25V R95
10K0
R243
62K
VR49B
W50K
VR49A
W50K
3
21
U22A
NJM4580M
5
67
U22B
NJM4580M
R319
10K0
C224
22P
C244
47u/25V
R321
10K0
C270
22P
C247
47u/25V
AUX RETURN 2
3c
5e
1a
d
2b
X20
JY-6351G-02-250
3c
5e
1a
d
2b
X21
JY-6351G-02-250
RIGHT 2
LEFT 2
5
67
U31B
NJM4580M
R390
100K R392
51K
R395
100R
C326
22P
3
21
U31A
NJM4580M
C328
47u/25V
C45
47u/25V
2
1
3
X26
JY-5030-030G
2
1
3
X27
JY-5030-030G
1
2 5
3
6
X31
SCP6873NS3232
R380
10K0 R396
100R
R391
51K
R379
10K0
5
67
U32B
NJM4580M
R376
100K R394
51K
R377
100R
C327
22P
3
21
U32A
NJM4580M
C285
47u/25V
C286
47u/25V
R375
10K0 R378
100R
R393
51K
R93
10K0
MAIN OUT
LEFT
RIGHT
LEFT
RIGHT
C313
100n
C314
100n
MOUT-L
MOUT-R
LEFT-BUS
RIGHT-BUS
AUX-1
AUX-2
(MONO / MASTER)
8
U25C
8
U26C
8
U23C
VCC
-VCC
8
U24C
C306
100n
C307
100n
C308
100n
C309
100n
C310
100n
C311
100n
C312
100n
C315
100n
8
U27C
8
U31C
C316
100n
C317
100n
C322
100n
C323
100n
8
U32C
C324
100n
C325
100n
8
U22C
8
U21C
C218
100n
C219
100n
C220
100n
C305
100n
U21~ U27= NJM4580M
U31~ U32= NJM4580M
AUX SEND1
AUX SEND2
EFXRTN-L
EFXRTN-R
3
21
U50A
NJM4580M
5
67
U50B
NJM4580M
R433
16K5
C356
22P
C360
47u/25V
R434
16K5
C357
22P
C361
47u/25V
VR52
W50K
8
U50C
4580M
C354
100n
C355
100n
R432
5K1
R307
3K9
C359
47u/25V
R303
3K9
C358
47u/25V
R371 R372
VR53A
W50K
VR53B
W50K
AMX-140FX (3/5)

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RevisionModel No:
18-Aug-2005 KEVIN LIN.
AMX140FX
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AMX140FX VER0030722
A2
8
914
U35C
LM339
1
6
7
U35B
LM339
1
6
7
U38B
LM339
8
914
U38C
LM339
8
914
U36C
LM339
1
6
7
U36B
LM339
1
6
7
U39B
LM339
8
914
U39C
LM339
LD10
GR LD11
GR LD12
GR LD13
GR LD14
GR LD15
GR LD16
GR LD17
GR
R350
120R
R355
120R R356
470R R359
330R R357
470R R360
330R R358
470R R361
510R R362
620R
+VCC
R354
56R
-VCC
PGND
10
11 13
U35D
LM339
5
42
U35A
LM339
5
42
U38A
LM339
10
11 13
U38D
LM339
10
11 13
U36D
LM339
5
42
U36A
LM339
5
42
U39A
LM339
10
11 13
U39D
LM339
LD22
GR LD23
GR LD24
GR LD25
GR LD26
GR LD27
GR LD28
GR LD29
GR
-VCC
LEFT METER
(-30) (-20) (-10) (-7) (-4) (-2) (0) (+2)
3
21
U30A
NJM4580M
R367
100K
R369
100K C283
47u/25V
PGND
10
11 13
U37D
LM339
5
42
U37A
LM339
5
42
U40A
LM339
10
11 13
U40D
LM339
LD30
GR LD31
GR LD32
YEL LD33
RED
8
914
U37C
LM339
1
6
7
U37B
LM339
1
6
7
U40B
LM339
8
914
U40C
LM339
LD18
GR LD19
GR LD20
YEL LD21
RED
R363
1K3 R364
2K R365
5K6 R366
22K
TR13
HR
+VCC
D1A
DA204K
D1B
DA204K
TR14
HR
R353
120R
R351
470R
R352
470R
R87
10K
PGND
5
67
U30B
NJM4580M
R368
100K
R370
100K C284
47u/25V
PGND
312
U36E
LM339
312
U37E
LM339
312
U35E
LM339
312
U38E
LM339
312
U39E
LM339
84
U30C
NJM4580M
C213
100n
C214
100n
R373
47R
R374
47R
C257
47u/25V
C258
47u/25V
+VCC
-VCC
PGND
LD8
RED
LD7
GR
R253
1K
R252
820R
PGND
PGND
PH LED
(+4) (+7) (+10) (+18)
PWR ON
PHANTOM
+VCC
312
U40E
LM339
R428
10K
R427
10K
PGNDPGND
D30
4148
D31
4148
D32
4148
D33
4148
L-METER
R-METER
AMX-140FX (4/5)
TR15
BR
R399
22K
+VCC

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18-Aug-2005 KEVIN LIN
AMX140FX
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AMX140FX VER030722
A2(C)
C342
4.7uF
3
5
7
RL1B
RY-5W-K
4
6
8
RL1C
RY-5W-K
EFXRTN-L
EFXRTN-R
EFXRTN-L
EFXRTN-R
AUX SEND2
12 34 56 78 910 1112 1314 1516
CN6
HEADER 8X2 1
2
3
4
COM
EN2
SDB161PVB15FS
1
2
3
4
COM
EN1
SDB161PVB15FS
1 2
3 4
5 6
7 8
AR1
680R*4
1 2
3 4
5 6
7 8
AR2
680R*4
C344
4.7uF
DGND
DGND
5VD
5VD
R429
220R
R430
220R
DGND
(MUTE)
C343
4.7uF
LD54
RED
(MUTE)
(MUTE)
1
2
8
12
RL1A
RY-5W-K
1
5VD
2
C335
100N
8
D9
RLS4148
VCC
PEAK(FLICKER)
MUTE(GLOW)
PRESETVARIATION
EFX-SEED
3c
5e
1a
4d
2b
X32
JY-6351G-02-250
FOOTSWITCH
1
2
3
SW11A
PS-22E85L
10K CHANGE TO 3K3
NetU49_1
NetTR16_C
NetLD54 2
NetC342_1
NetC344 1
NetC343_1
NetR400_2
NetR408_2
NetC332 2
NetCN6_16
D40
1N4002
D41
1N4002
ZD1
1N5261
C401
47uF/100V
D45
1N4002
D44
1N4002
C402
47uF/100V
IN
IN
G
G
OUT OUT
TR21
7815A
C408
1500uF/35V
PGND
C403
220u/25V
D42
RLS4148
C409
1500uF/35V C404
220u/25V
D43
RLS4148
C405
100uF/100V
PGND
R441
390K
C407
47uF/100V
R442
10K
R443
10R
1 2
R440
20K
12
C406
47uF/100V
TR23
TIP122
VCC
-VCC
PH LED
IN
IN
GG
OUT OUT
TR22
7915A
PHANTOM PWR
(47V 0.5W)
CN5
AC IN SW5
PGND R444
0R0
PHANTOM
SW6
TR20
7805
PGND
5VD
C400
1000uF/16V
PGNDDGND
R445
0R0
DSP
JP1
PGND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
CN2
Z-DSP
GND
VCC
-VCC
NetC342_1
NetC344_1
NetTR16 C
5VD
NetCN6_16
NetU49 1
NetC343_1
PGND
DGND
NetLD54_2
NetC332_2
NetR408 2
NetR400_2
AMX-140FX (5/5)
PH PWR
2K1
D101
RLS4148

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RevisionModel No
3-Dec-2004 KEVIN LIN
FX-DSP
11of
FX-DSP VER030722
A2(C)
C329
22P C345
1.5nF 2.5%
5
6
7
U44B
4580M
R399
10K
R420
68R
R422
3K3 R397
10K
R398
10K
3
2
1
U44A
4580M
R400
10K
C331
22P C347
1.5nF 2.5%
5
6
7
U45B
4580M
R406
10K
R421
68R
R423
3K3 R402
10K
R405
10K
3
2
1
U45A
4580M
R408
10K
5
67
U46B
4580M
3
21
U46A
4580M
C346
1.5nF 2.5% R404
10K
R403
10K
C332
22P
R407
10K
C330
22P
R424
2K2
R401
10K
(MUTE)
(MUTE)
CLK 4
J2
S
5
R
1
Q
6
Q
7K3
U48A
74HC109
5VD R413
10K
D7
BAS316
12
U49A
74HC14
C352
1uF
DGND
5VD
R414
10K
D15
BAS316
C353
1uF
DGND
R410
10K
R409
10K
TR16
BR
DGNDDGND
R426
220R
R419
7K5
84
U44C
4580M
84
U46C
4580M
84
U45C
4580M
C336
100N
C337
100N
C338
100N
C339
100N
VCC
-VCC
3 4
U49B
74HC14
5 6
U49C
74HC14
8 9
U49D
74HC14
2 13
U49F
74HC14
147
U49G
74HC14
DGND
CLK 2
J14
S
1
R
15
Q
10
Q
9K13
U48B
74HC109
DGND
168
U48C
74HC109 C341
100N
C340
100N 5VD
DGND
C351
10uF UDASP IN/OUT SECTION
DGND
3
2
1
U47A
LM393
5
6
7
U47B
LM393
R416
4K7
VCC
R418
1K
C334
100N
R417
1M R425
2M2
R431
820K
D10A
RB400D
PEAK(FLICKER)
MUTE(GLOW)
84
U47C
LM393
TR17
BR
DGND
R411
10KR412
10K
DGND
OUT
3RS 4
TG 2
TH 6
CTR
5
DS
7
U43A
NE555
C333
100N
DGND
5VD
R415
47K
C350
10uF
DGND
81
U43B
NE555
C349
33P
C348
33P
10K CHANGE TO 3K3
D16
DA202K
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
CN1
CN1-2.0-16P
GND
VCC
-VCC
NetC342_1
NetC344 1
NetTR16 C
5VD
NetCN6 16
NetU49 1
NetC343_1
PGND
DGND
NetLD54_2
NetC332_2
NetR408 2
NetR400_2


PCB : 313123/2 Top Overlay

PCB : AMX-140FX Top Overlay

PCB : AMX-140FX Top Layer

PCB : AMX-140FX Bottom Overlay

PCB : AMX-140FX Bottom Layer

PCB : FX-DSP Top Overlay
PCB : FX-DSP Bottom Overlay
PCB : AMX-100FX Bottom Layer
PCB : FX-DSP Top Layer
PCB : FX-DSP Top Overlay
PCB : FX-DSP Bottom Overlay

1 2 3 4 5 6 78
A
B
C
D
8
7654321
D
C
B
A
Title
Number RevisionSize
A3
Date: 4-Dec-2004 Sheet of
File: D:\ \AMX-140FX \AMX 140FX AMX-140FX ddb
服務手冊 服務手冊 Drawn By:
AMX-140FX
AC 230V
TG00040
Voltage transform
PHANTOM SW
POWER SW
AMX-140FX Wiring Diagram
AC IN
DC IN
SW10
SW11

PF01442 AMX-140FX AMX-140FX_ALTO_230V_歐規_無 Revised:2005/8/18
Level Part No. Description Specification Qty Reference
├0001 MA04539 panel AMX-140FX ALTO 1
├0002 MB03078 rear board AMX-140 1
├0003 HI00026 power switch RA12KKATOF 2P 1
├0006 NI01862 key 5.5*5.5*12.8 4
├0007 NI02083 knob φ10.5*18mm 18
├0008 NI02633 knob φ10.5*18 8
├0009 NI02082 knob φ10.5*18mm 6
├0010 NI02817 knob φ10.5*18mm 2
├0011 NI02081 knob φ10.5*18mm 7
├0012 NI02714 knob φ10*13.5mm 5
├0013 NI00826 knob φ12*18mm double color 6
├0014 NI02386 konb φ14*13mm 2
├0015 NI02837 knob φ35*11mm 534C 1
├0016 MG00041 screw M3*6 27
├0017 MG00061 screw M3*10 18
├0018 NI02836 acrylic panel 10*7*3mm AMX-140 1
├0019 ME00060 MIC jack JY-6351G-02-250 24
├0020 MF00061 MIC jack φ9.6*φ13*0.5t 24
├0021 TG00040 adaptor 230V/50Hz_AC18V/1000mA_EI-48 1
├0022 NI00252 sleeve φ4*20mm 4
├0023 NI00501 self-adhere foot cushion 12.7*9*3t(SF-004) 4
├0024 NA00123 PE bag 0.04t*580*300mm 1
├0025 HJ00006 dessicant 30g 1
├0026 MI01905 heat sink AMX-140 2.0t*195.5*29*2mm 1
├0027 NI02249 plastic washer TW-1(TO-220) 4
├0028 NC00005 silicone insulator TO-220 square type 4
├0029 MG00162 screw M3*8 4
├0030 MG00261 copper pillar M3*8.5*0.5PH 3
├0031 MF00037 washer φ3.2*φ5.5*1t 3
├0032 ME00015 color nut 3m/m 7
├0033 NF00061 assurance card ALTO 1
├0034 NE05004 label ALTO 4
├0035 HA01388 row-wire connector wiring 2P 100 1
├0036 HA01442 row-wire connector wiring 2P 200 1
├0037 NF01658 instruction AMX-140/140FX ALTO_V1.3 1
├0038 NB02753 gift carton AMX-140FX ALTO 1
├0039 NE12193 label AMX-140FX 4
├0040 NI02835 handle 269*33*26mm AMX-140 black 1
├0041 NB02757 barrier AMX-140 1
├0042 NB02756 barrier AMX-140 1
├0043 NB02752 carton AMX-140;140FX 1
├0044 NI01594 MOUNT TH-1 1
├0045 NI00218 cable tie ALT-102SB 3
├0046 HK00821 PC board P-AMX-140FX-DIP 1
│ ├0001 CB00003 electrolytic capacitor 0.22uF/50V φ5*11mm 12 C70,C71,C72,C73,C74,C75,C76,C77
,C78,C79,C80,C81
│ ├0002 CB00011 electrolytic capacitor 2.2uF/50V φ5*11mm 6 C195,C196,C197,C198,C199,C200
│ ├0003 CB00018 electrolytic capacitor 4.7uF/25V φ4*7mm 3 C342,C343,C344
│ ├0004 CB00029 electrolytic capacitor 22uF/35V φ5*11mm 8 C14,C15,C16,C18,C19,C38,C39,C40
│ ├0005 CB00039 electrolytic capacitor 47uF/25V φ5*11mm 87
C17,C20,C45,C56,C61,C62,C86,C87
,C88,C89,C90,C93,C94,C95,C96,C9
7,C98,C100,C101,C102,C103,C104,
C105,C106,C107,C108,C111,C112,C
113,C114,C115,C116,C117,C118,C1
19,C120,C121,C122,C123,C124,C12
5,C126,C127,C128,C129,C130,C231,
C232,C233,C234,C235,C236,C237,C
238,C239,C240,C241,C242,C243,C2
44,C245,C246,C247,C248,C249,C25
0,C251,C252,C253,C254,C255,C256,
C257,C258,C283,C284,C285,C286,C
318,C319,C320,C321,C328,C358,C3
59,C360,C361

PF01442 AMX-140FX AMX-140FX_ALTO_230V_歐規_無 Revised:2005/8/18
Level Part No. Description Specification Qty Reference
│ ├0006 CB00042 electrolytic capacitor 47uF/63V 105℃ LZ φ8*11mm 10 C21,C22,C24,C25,C41,C44,C48,C49
,C91,C92
│ ├0007 CB00043 electrolytic capacitor 47uF/100V φ10*12mm 4 C401,C402,C406,C407
│ ├0008 CB00052 electrolytic capacitor 100uF/100V φ13*21mm 1 C405
│ ├0009 CB00056 electrolytic capacitor 220uF/25V φ8*11mm 2 C403,C404
│ ├0010 CB00074 electrolytic capacitor 1000uF/10V φ8*11mm 5 C23,C26,C50,C51,C99
│ ├0011 CB00070 electrolytic capacitor 1000uF/16V φ10*16mm 1 C400
│ ├0012 CB00073 electrolytic capacitor 1000uF/35V φ13*20mm 2 C408,C409
│ ├0013 CF00054 metal-film capacitor MSC 0.012uF/63V ±5% CASE01 16 C155,C156,C157,C158,C159,C160,C
161,C162,C171,C172,C173,C174,C1
75,C176,C177,C178
│ ├0014 CF00021 metal-film capacitor MSC 0.018uF/63V 5% CASE01 16 R131,R132,R133,R134,R135,R136,R
137,R138,R163,R164,R165,R166,R1
67,R168,R169,R70
│ ├0015 CF00023 metal-film capacitor MSC 0.033uF/63V 5% CASE01 16 C139,C140,C141,C142,C143,C144,C
145,C146,C147,C148,C149,C150,C1
51,C152,C153,C154
│ ├0017 HA01512 row-wire connector wiring 9P(male)-9P(female) 220 1 CN4
│ ├0018 HC00183 DC jack KJ-36-S φ3.5 1 CN5
│ ├0019 HC00473 connector 2.45mm 180° 2*8P B25-2*8BG1(B)H=5mm 1 CN6
│ ├0020 SA00094 rectifier diode 1N4002/100V 4 D40,D41,D44,D45
│ ├0021 HI00195 rotary switch SDB161PVB15.5F-1-4-16-16PC 2 EN1,EN2
│ ├0022 SA00052 L.E.D φ3 round(green)long foot 26 21
LD7,LD10,LD11,LD12,LD13,LD14,
LD15,LD16,LD17,LD18,LD19,LD22
,LD23,LD24,LD25,LD26,LD27,LD2
8,LD29,LD30,LD31
│ ├0023 SA00053 L.E.D φ3 round(red)long foot 26mm 10 LD1,LD2,LD3,LD4,LD5,LD6,LD8,L
D21,LD33,LD54
│ ├0024 SA00054 L.E.D 3m/m round(yellow)long foot 26 2 LD20,LD32
│ ├0025 NI01782 LED spacer support LEDS-11 11mm 32
│ ├0026 NI01776 LED spacer support LED-3 3mm 1 LD7
│ ├0027 RA00159 fixed resistor 1/4W 10Ω Mr type 1 R443
│ ├0028 RA00174 fixed resistor 1/4W 47Ω M type 2 R346,R347
│ ├0029 RA00185 fixed resistor 1/4W 120Ω M type 2 R350,R353
│ ├0030 RA00250 fixed resistor 1/4W 20KΩ M type 1 R440
│ ├0031 RA00505 precise resistor 1/4W 6.81KΩ M type 10 R15,R16,R17,R18,R42,R43,R45,R70
,R72,R91
│ ├0032 HI00161 relay RY-5W-K,5V 1 RL1
│ ├0033 HC00263 connector(male) 2P 2.5mm 90° 2 SW5,SW6
│ ├0034 HI00162 push-button switch 2 paragraphs 6p PS-22E8552L 6 SW1,SW2,SW3,SW4,SW9,SW10
│ ├0035 HI00157 push-button switch PS-22E85NL(NON-LOCK)(2*3) 1 SW11
│ ├0036 SD00074 integrated circuit L7805CV(TO-220)(ST) 1 TR20
│ ├0037 SD00077 integrated circuit L7815CV(TO-220)(ST)(MOROCCO) 1 TR21
│ ├0038 SD00079 integrated circuit L7915CV(TO-220)(ST) 1 TR22
│ ├0039 SB00043 transistor TIP122(ST) 1 TR23
│ ├0040 SD00007 integrated circuit BA15218N (M5218L substitute) 2 U28,U29
│ ├0041 RC00296 potentiometer O10KΩ RV09BC-40-30F-02C10K 5 VR1,VR9,VR17,VR25,VR33
│ ├0042 RC00233 potentiometer B50KΩ RV09BC-40-30F-B50K-0C 12 VR2,VR3,VR4,VR10,VR11,VR12,V
R18,VR19,VR20,VR26,VR27,VR28
│ ├0043 RC00236 potentiometer B50KΩ RV112BC-40-30A-B50K-0C 6 VR34,VR35,VR36,VR41,VR42,VR4
3
│ ├0044 RC00235 potentiometer W50KΩ RV09BC-40-30F-W50K-0C 21
VR5,VR6,VR7,VR8,VR13,VR14,VR
15,VR16,VR21,VR22,VR23,VR24,V
R29,VR30,VR31,VR32,VR37,VR38,
VR44,VR45,VR52
│ ├0045 RC00237 potentiometer W50KΩ RV112BC-40-30A-W50K-0C 8 VR39,VR40,VR46,VR47,VR48,VR4
9,VR50,VR53
│ ├0046 RC00369 potentiometer(A10K-41 stage) W50KΩ RV16A01-30-25F-W50K-3F97 1 VR51
│ ├0047 HC00392 balance MIC jack JY-5030-030G 180° 2 X26,X27
│ ├0048 HC00126 balance MIC jack JY-5042-030G female plug 180° 5 X5,X7,X9,X11,X13
│ ├0049 HC00125 MIC jack JY-6351G-02-250 24 X1,X2,X3,X4,X6,X8,X10,X12,X14,
X15,X16,X17,X18,X19,X20,X21,X2
2,X23,X24,X25,X28,X29,X30,X32
│ ├0050 HC00403 RCA jack SCP6873NS3232T2 4P 1 X31
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