LTO AMX-180MKII User manual

ServiceManual
www.altoproaudio.com
Version: 2.0
MODEL: AMX-180MKII/180FX MKII
Revised on Dec,2009

CONTENTS
1. Introduction......................................................................................................................1
2. Specification....................................................................................................................2
3. Block Diagram.................................................................................................................3
4. SchematicDiagram.......................................................................................................4
5. PCB Layout.................................................................................................................12
6. Wiring Diagram.............................................................................................................18
7. Exploded Views & Mechanical Parts List......................................................................19
8. BOM List........................................................................................................................22

LTO AMX-180MKII/180 FX MKII mixing console is a professional compact mixer. You will get the smooth
accurate more natural and open sound form this apparatus, and it is really ideal for gigs, recording and fixed PA
installations. The AMX-180 MKII/180 FX MKII mixing console is packed with some key features that can not be
found in other consoles of its size: 4 mono (these are provided with ultra low noise microphone preamplifiers and
phantom power at+48 Volt) and 4 stereoinput channels, and each ofthem is provided with a 3-band equalizer for
HI, MID and LOW controls; highly accurate 12-segment bar graph meters and 2-track inputs assignable to main
mix, controlroom/phone outputs etc. Besides, the 24-bit effect processor with 256 effects (16 presets *16
variations) is equipped specifically for AMX-180 FX MKII mixing console.
The features as followings:
5 MIC input channels with gold plated XLR and balanced LINE inputs
4 stereo input channels with balanced TRS jacks
Ultra-low noise discrete MIC pre-amps with +48V Phantom power
Extremely high headroom offering more dynamic range
Insert on each of mono input channels
Switch-able Low-cut filter on each mono channel
+4dBu/-10dBV on each channel
Warm, natural 3-band EQ on each channel
Peak LED on each channel
Mute/ALT 3-4, SOLO function on each channel
4 AUX returns for additional functionality
Control room and headphone outputs
2-Track inputs assignable to main mix, control room / headphone outputs
Highly accurate 12-segment bar graph meters
Additionally, the AMX-180FXMKII is also equipped with following features:
24 bit digital effect processor
256effects(16presets *16 variations)
Effect on/off by means of MUTE switch or a footswitch connected to the DFX FOOTSWITCH
1. Introduction
--- 1 ---

Microphone input Electronically balanced, discrete input configuration
Frequency response 10 Hz to 55 KHz, +/- 3dB
Distortion (THD&N) 0.005% at +4 dBu, 1KHz
Gain range 0dB to 44dB(MIC)
SNR (Signal-Noise Ratio) 115dB
Line input Electronically balanced
Frequency response 10 Hz to 55 KHz, +/- 3dB
Distortion (THD&N) 0.005% at +4 dBu, 1KHz
Sensitivity range +15 dBu to - 30 dBu
Line input Balanced
Frequency response 10 Hz to 55 KHz, +/- 3dB
Distortion (THD&N) 0.005% at +4 dBu, 1KHz
Microphone input 1.4K ohm
Channel insert return 2.5 k ohm
All other inputs 10 K ohm or greater
Tape out 1 Kohm
All other output 120 ohm
Hi shelving +/-15dB@12KHz
Mid bell +/-12dB @ 2.5KHz
Low shelving +/-15dB@80Hz
Fader 0dB, channels muted:-100dBr(ref: +4dBu)
Fader 0dB, all input channels assigned and set to
UNITY gain:-90dBr(ref:+4dBu)
+22dBu balanced XLR,
+22dBu unbalanced, 1/4'' jacks.
AUX return gain range OFF to +15dB
AUX sends max out +22dB
USA/Canada 100-120V~, 60Hz
Europe 210-230V~,50Hz/60Hz
UK/Australia 240V~,50Hz
Power consumption 25 watts
Dimension(W*D*H) 409mm*330mm*43mm(18.10''*12.99''*1.89'')
AMX-180 MKII: 3.90Kg (8.6 lb)without adaptor
AMX-*180 FX MKII: 3.97Kg(8.75 lb)without adaptor
Physical Net weight
Main mix section
Noise(Bus noise)
Max output
Power supply
(AC/AC adaptor) Main voltage
Mono input channels
Stereo input channels
Impedance
Equalization
2. Specification
--- 2 ---

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AMX-180MKII/180FX MKII-MAP.Sch
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ALTO MIXING CONSOLE
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AMX-180MKII180FXMKII BLOCK DIAGRAM VER0407010
A3
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 (5-12)
EQ 12K2.5K80
LEFT-BUS
RIGHT-BUS
AUX-1
AUX-2
LEFT-BUS RIGHT-BUS
STEREO AUX RETURN 2
21
3
EFX TO AUX-1
21
3
RIGHT-BUS LEFT-BUS
AUX-1 AUX-1
AUX-1
AUX SEND
AUX-2
MAIN OUT
LEFT-BUS
RIGHT-BUS
2TK TO MIX
RIGHT-BUS LEFT-BUS
TAPE IN
RIGHT
2TK
2TK
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
AUX2 / DSP
STEREO AUX RETURN 1
3c 5e 1a 4d 2b
LEFT(MONO)3c
5e 1a 4d 2b
RIGHT
AUX1 RETURN
-
+
T
R
S
RN TN
T
R
S
RN TN
T
R
S
RN TN
T
R
S
RN TN
PAN
PHANTOM
LINE IN
GAIN
-
+
POWER
-
+
-
+
-
+
LO MID HI
AUX1 AUX2
LEVEL
POST
PRE
BALANCE
AUX1
AUX2
LEVEL
LO MID 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
-
+
-
+
MIC GAIN:0~60dB LINE IN TRIM:+15dB~-45dB
AFL-L
AFL-R
SOLO(PFL)
SOLO
ON
()
AFL-L AFL-R
SOLO(PFL)
SOLO
ON
()
AFL-L AFL-R
SOLO(PFL)
EFX SEND
LEFT-BUS
RIGHT-BUS
AUX-1
AUX-2
SIP L
SIP R
SOLO(PFL)
EFX SEND
AFL L AFL R SOLO(PFL) PFL LED
LOGIC
SOLO CTRL
SOLO ACTIVE
(LEVEL SET)
RETURN
SOLO MODE
PFL
()
AFL
()
AUX2 / DSP
3c 5e 1a 4d 2b
INSERT
T
R
S
RN TN
ALT-3(L)
ALT-4(R) ALT-3(L) ALT-4(R)
ALT-4
ALT-3
ALT-4
ALT-3
AUX1
LEVEL
AUX2
LEVEL
+4dB/MIC +4dB/MIC
ALT-3(L)
ALT-4(R)
ALT3-4
LEVEL
ALT 3-4 OUT
ALT-3(L)
T R S
ALT-4(R)
T R S
ALT 3-4 TO MIX
RIGHT-BUS LEFT-BUS
ALT 3-4
MAIN MIX CONTROL ROOM SOURCE
MAIN/ALT MAIN/ALT
1 2 1 2
POST
PRE
1 2 1 2
POST
PRE
POST
PRE
2TK
RIGHT
LEFT
2 1 3
MIC5 IN
+48V
PHANTOM GAIN
-
+
POWER
CHANNEL 5,6 ONLY
DSP BOARD
PRESETS
VARIATIONS
MUTE
DSP FOOTSWITCH
3. Block Diagram
--- 3 ---

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OUTPUT STAGE (INSERT & MAIN OUTPUT)
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AMX180FXPU1 VER040709
A3
PCB# AMX180FXPU1.PCB
D1
1N4002
D2
1N4002
ZD1 1N5261
C169
47uF/50V
D4
1N4002
D3
1N4002
C170
47uF/100V
TR1
7815A
C174
1500uF/25V
PGND
C176
220uF/25V
D5
RLS4148
C173
1500uF/25V C177
220uF/25V
D6
RLS4148
C175
220uF/100V
PGND
R207
390K
C171
47uF/100V
R208 10K
R206
10R
R209
20K
C172
47uF/100V
TR4
TIP122
+VCC
-VCC
PH PWR
TR3
7915A
(47V 0.5W)
CN5 AC IN SW10
CN2.5-2P-90
PGND R205
PHANTOM
SW11
CN2.5-2P-90
TR2
7805
PGND
+5VD
C178
1000uF/16V
PGNDDGND
R204 0R
PHANTOM PWR
3c 5e 1a
4d 2b
X28
JY-6351G-02-250
T
R
S
RN TN
INSERT1
3c 5e 1a
4d 2b
X31
JY-6351G-02-250
T
R
S
RN TN
INSERT2
3c 5e 1a
4d 2b
X34
JY-6351G-02-250
T
R
S
RN TN
INSERT3
3c 5e 1a
4d 2b
X35
JY-6351G-02-250
T
R
S
RN TN
INSERT4
3c 5e 1a
4d 2b
X30
JY-6351G-02-250
T
R
S
RN TN MAIN R (UNBAL)
3c 5e 1a
4d 2b
X33
JY-6351G-02-250
T
R
S
RN TN MAIN L (UNBAL)
R186
120R
R184
120R
R190
120R
R185
120R
3c 5e 1a
4d 2b
X29
JY-6351G-02-250
T
R
S
RN TN
ALT-3 (LEFT)
3c 5e 1a
4d 2b
X32
JY-6351G-02-250
T
R
S
RN TN
ALT-4 (RIGHT)
R183
120R
R181
120R
R189
120R
R182
120R
(BALANCED)
2 1 3
X37
JY-5030-030G
2 1 3
X38
JY-5030-030G
MAIN OUT
RIGHT
LEFT
7 8 9
P
SW9C
PS-42E85L
4 5 6
P
SW9B
PS-42E85L
1 2 3
SW9A
PS-42E85L
10 11 12
P
SW9D
PS-42E85L
R192 120R
R193
120R
R200 5K1
R194
120R
R198
120R
R202 5K1
R195
120R
R196
120R
R201 5K1
R197
120R
R199
120R
R203
5K1
MAIN-R-2 MAIN-R-3 MAIN-L-2 MAIN-L-3
R180 120R
R187
120R
R188
120R
R191
120R
3c 5e 1a
4d 2b
X36
JY-6351G-02-250
FOOTSW
RTN-CH1 INS-CH1 RTN-CH2 INS-CH2 RTN-CH3 INS-CH3 RTN-CH4 INS-CH4 ALT3-L
ALT4-R
MAIN-R-2 MAIN-R-3 MAIN-L-2 MAIN-L-3
AMX180FXPU1 AMX180FXPU1.S01
D7 1N4148
PH LED
3 21
U18A 4580M
5 67
U18B 4580M
C7 22P
C9 22P
R34 5K1
R35 5K1
R210 10K R211 10K
C179 47u/25V C180 47u/25V
R3 5K1
R4 5K1
ALT3 TO CR-L ALT4 TO CR-R
AMX-180MKII/180FXMKIIPU1-1
4. Schematic Diagram
--- 4 ---

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A B C D
12
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D
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84
U3C
4580M
84
U6C
4580M
84
U2C
4580M
C139 100n
C137
100n
C140
100n
C138
100n
+VCC
-VCC
C141 100n
C142 100n
84
U5C
4580M
84
U8C
4580M
84
U11C
4580M
84
U12C
4580M
84
U16C
4580M
C143 100n
C144
100n
C145 100n
C146 100n
C147 100n
C148
100n
C149 100n
C150 100n
C152 100n
C153
100n
C154 100n
C155 100n
C156 100n
C157 100n
C158 100n
C159
100n
C160 100n
C161 100n
84
U1C
4580M
84
U4C
4580M
84
U7C
4580M
84
U17C
4580M
3c 5e 1a 4d 2b
X4
JY-6351G-02-250
T
R
S
RN TN
LINE IN 5
3c 5e 1a 4d 2b
X5
JY-6351G-02-250
T
R
S
RN TN
LEFT(MONO)
RIGHT
5 67
U13B
4580M
R96
10K
C51
22P
R93
10K
C66
22P
R79
18K
C121
100P
R90
18K
C124
100P
3 21
U13A
4580M
R97
10K
C68 22P
R94
10K
C64
22P
R89
18K
C122
100P
R91
18K
C123
100P
R82
10K
R83
10K
R147
20K
R148
20K
AMX-180 MKII/180FX MKIIPU1.S01
Titel Size File: Date: Drawn By:
Sheet
RevisionModel No:
12-Oct-2004 KENNY HO.
INPUT STAGE ( CH1-CH4 )
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AMX-180 MKII/180FX MKIIPU1VER040709
A2
PCB#AMX180MKII/180FX MKIIFXPU1.PCB
3c 5e 1a 4d 2b
X7
JY-6351G-02-250
T
R
S
RN TN
3c 5e 1a 4d 2b
X8
JY-6351G-02-250
T
R
S
RN TN
5 67
U16B
4580M
R114
10K
C56 22P
C108
47u/25V
R110
10K
C69
22P
R84
10K
C127
100P
R106
10K
C129 100P
3 21
U16A
4580M
R113
10K
C72 22P
C109
47u/25V
R112
10K
C71
22P
R107
10K
C131 100P
R108
10K
C132
100P
R149
20K
R151
20K
3c 5e 1a 4d 2b
X9
JY-6351G-02-250
T
R
S
RN TN
3c 5e 1a 4d 2b
X12
JY-6351G-02-250
T
R
S
RN TN
5 67
U17B
4580M
R115
10K
C73 22P
C110
47u/25V
R111
10K
C70
22P
R105
10K
C128
100P
R109
10K
C130 100P
3 21
U17A
4580M
R125
10K
C81 22P
C115
47u/25V
R124
10K
C80
22P
R122
10K
C135 100P
R123
10K
C136
100P
R150
20K
R155
20K
LINE IN 6
LINE IN 9
LEFT(MONO)
RIGHT
LINE IN 10 LINE IN 11
LEFT(MONO)
RIGHT
LINE IN 12
3c 5e 1a 4d 2b
X13
JY-6351G-02-250
STEREO AUX
LEFT 1
3c 5e 1a 4d 2b
X14
JY-6351G-02-250
RIGHT 1
RETURN2
STEREO AUX
RETURN1
3c 5e 1a 4d 2b
X15
JY-6351G-02-250
3c 5e 1a 4d 2b
X16
JY-6351G-02-250
RIGHT 2
LEFT 2
(MONO / MASTER)
3c 5e 1a
4d 2b
X17
JY-6351G-02-250
AUX SEND1
R165 120R
R164 120R
3c 5e 1a
4d 2b
X18
JY-6351G-02-250
AUX SEND2
R166
120R
R169
120R
T
R
S
RN TN
T
R
S
RN TN
3c 5e 1a
4d 2b
X20
JY-6351G-02-250
R168 120R
R171
120R CTRL ROOM OUT
3c 5e 1a
4d 2b
X19
JY-6351G-02-250
R170 120R
R167
120R
LEFT
RIGHT
CTRL-R-L CTRL-R-R
R176
1K
R177
1K
L(WHITE)
R(RED)
TAPE IN TAPE OUT
1 4 2 5
3
6
X27
SCP6873NS3232
2TK-IN-L 2TK-IN-R MAIN-R-2 MAIN-L-2
5 67
U9B
BA15218N
5 67
U10B
BA15218N
C120
22P
R127
10K
R174
120R
3c 5e 1a
4d 2b
X21
JY-6351G-02-250
R175
120R
PHONES
R173
120R
R172 120R
3 21
U9A
BA15218N
3 21
U10A
BA15218N
R126
10K
C119
22P
CTRL-R-L CTRL-R-R
R159
2K
SW7A
PS-22E85L
R160
2K
SW7B
PS-22E85L
R161
2K
SW8A
PS-22E85L
R163
2K
SW8B
PS-22E85L
R156
2K
SW5A
PS-22E85L
R157
2K
SW5B
PS-22E85L
C106
47u/25V
C107
47u/25V
84
U15C
4580M
84
U13C
4580M
(LEVEL +4dBu/-10dBv)
(LEVEL +4dBu/-10dBv) (LEVEL +4dBu/-10dBv)
(LEVEL +4dBu/-10dBv) (LEVEL +4dBu/-10dBv) (LEVEL +4dBu/-10dBv)
PRE-CH5 PRE-CH6
PRE-CH9 PRE-CH10
PRE-CH11 PRE-CH12
C162 100n
C163 100n
C166 100n
C167 100n
84
U9C
BA15218N
84
U10C
BA15218N
C113
47u/25V
C116
47u/25V
C151 100n
C168 100n
+VCC -VCC
3c 5e 1a 4d 2b
X6
JY-6351G-02-250
T
R
S
RN TN
3c 5e 1a 4d 2b
X11
JY-6351G-02-250
T
R
S
RN TN
5 67
U15B
4580M
R98
10K
C67 22P
C103
47u/25V
R95
10K
C65
22P
R88
10K
C125
100P
R92
10K
C126 100P
3 21
U15A
4580M
R121
10K
C79 22P
C114
47u/25V
R120
10K
C78
22P
R118
10K
C133 100P
R119
10K
C134
100P
R146
20K
R154
20K
LINE IN 7
LEFT(MONO)
RIGHT
LINE IN 8
R158
2K
SW6A
PS-22E85L
R162
2K
SW6B
PS-22E85L (LEVEL +4dBu/-10dBv)
(LEVEL +4dBu/-10dBv)
PRE-CH7 PRE-CH8
VR5
Z10K
C2
470P
C21
22u/35V R32
11K0
LINE IN1
MIC 1
C31
47uF/50V
R41
3K60
R21
6.81K 1%
PH PWR
C3
470P
R22
6.81K 1%
C33
47uF/50V
C6
47P
R31
11K0
R43
3K60
C23
22u/35V
R2
51K
R1
51K C5
470P
2 1 3 4
X22
SMC-6.02
R56 5K11
R58
5K11
C47
22P
C46
22P R77
10K
R51
27R
C41
1000uF/10V
R76 10K
R59
5K11 C48
22P
R62
5K11
C50
22P
C94 47u/25V
R140
20K
3c 5e 1a 4d 2b
X1
JY-6351G-02-250
R128
62K
R132
1K3
R142
20K
C96
47u/25V
C82
0.22uF/50V
C83
0.22uF/50V C84
0.22uF/50V
R136
6K8
1 2 3
SW1A
PS-22E85L
LO CUT
VR6
Z10K
C1
470P C22
22u/35V
R33 11K0
LINE IN2
MIC 2
C32
47uF/50V
R42
3K60
R23
6.81K 1%
PH PWR
C4
470P
R28
6.81K 1%
C36
47uF/50V
C16
47P
R36 11K0
R46
3K60
C27
22u/35V
R7
51K
R6
51K C13
470P
2 1 3 4
X25
SMC-6.02
R57
5K11
R68 5K11
C60
22P
C58
22P R86
10K
R54 27R
C43
1000uF/10V
R78 10K
R60
5K11
C49
22P R61
5K11
C63
22P
C95
47u/25V
R141
20K
3c 5e 1a 4d 2b
X2
JY-6351G-02-250
R130
62K
R133
1K3
R145 20K
C100
47u/25V
C86
0.22uF/50V
C87
0.22uF/50V
C89
0.22uF/50V
R137
6K8
1 2 3
SW2A
PS-22E85L
LO CUT
VR7
Z10K
C11
470P C26
22u/35V
R38 11K0
LINE IN3
MIC 3
C37
47uF/50V
R47
3K60
R26
6.81K 1%
PH PWR
C12
470P
R27
6.81K 1%
C38
47uF/50V
C15
47P
R37 11K0 R48
3K60
C28
22u/35V
R8
51K
R5
51K C14
470P
2 1 3 4
X24
SMC-6.02
R69 5K11
R67 5K11
C59
22P
C57
22P
R85 10K
R53 27R
C44
1000uF/10V
R87 10K
R70
5K11 C61
22P
R71
5K11
C62
22P
C98
47u/25V
R143
20K
3c 5e 1a 4d 2b
X3
JY-6351G-02-250
R134
62K
R129
1K3
R144 20K
C99
47u/25V
C85
0.22uF/50V
C88
0.22uF/50V
C90
0.22uF/50V
R138
6K8
1 2 3
SW3A
PS-22E85L
LO CUT
VR8
Z10K
C17
470P C29
22u/35V
R40 11K0
LINE IN4
MIC 4
C39
47uF/50V
R49
3K60
R30
6.81K 1%
PH PWR
C18
470P
R29
6.81K 1%
C40
47uF/50V
C20
47P
R39 11K0 R50
3K60
C30
22u/35V
R10
51K
R9
51K C19
470P
2 1 3 4
X26
SMC-6.02
R73 5K11
R72 5K11
C75
22P
C74
22P
R116 10K
R55 27R
C45
1000uF/10V
R117 10K
R74
5K11 C76
22P
R75
5K11
C77
22P
C111
47u/25V
R152
20K
3c 5e 1a 4d 2b
X10
JY-6351G-02-250
R131
62K
R135
1K3
R153 20K
C112
47u/25V
C91
0.22uF/50V
C92
0.22uF/50V
C93
0.22uF/50V
R139
6K8
1 2 3
SW4A
PS-22E85L
LO CUT
5 67
U2B
4580M
3 21
U1A
4580M
5 67
U1B
4580M
3 21
U2A
4580M
3 21
U3A
4580M
5 67
U3B
4580M
3 21
U4A
4580M
5 67
U4B
4580M
3 21
U5A
4580M
5 67
U5B
4580M
3 21
U6A
4580M
5 67
U6B
4580M
3 21
U7A
4580M
5 67
U7B
4580M
3 21
U8A
4580M
5 67
U8B
4580M
R13
4R7
R12
4R7
R11
4R7
R14
4R7
R17 4R7 R18 4R7 R19
4R7
R20 4R7
VR9
Z10K
MIC 5
C34
47uF/50V
R44
3K60
R24
6.81K 1%
PH PWR
C8
470P
R25
6.81K 1%
C35
47uF/50V
C10
47P
R45
3K60
2 1 3 4
X23
SMC-6.02
R63 5K11
R64
5K11
C53
22P
C52
22P R81
10K
R52
27R
C42
1000uF/10V
R80 10K
R65
5K11 C54
22P
R66
8K2
C55
22P
C97 47u/25V
5 67
U12B 4580M
3 21
U11A 4580M
3 21
U12A
4580M
R16
4R7
R15
4R7
PRE-CH5 PRE-CH6 PRE-CH7 PRE-CH8
PRE-CH9 PRE-CH10 PRE-CH11 PRE-CH12
+VCC
-VCC
GND
GND CTRL-R-L
CTRL-R-R 2TK-IN-L 2TK-IN-R
PH LED
ALT4-R ALT3-L
MAIN-R-2 MAIN-R-3
MAIN-L-3
MAIN-L-2
AUX-RTN1-L AUX-RTN1-R
AUX-SEND1 AUX-SEND2
2TK-IN-L
2TK-IN-R
CTRL-R-L CTRL-R-R
FOOTSW
PGND
RTN-CH1
INS-CH1
RTN-CH2
INS-CH2
RTN-CH3
INS-CH3
RTN-CH4
INS-CH4
MAIN-R-2 MAIN-L-2
AUX-RTN2-L
AUX-RTN2-R
AUX-RTN2-L AUX-RTN2-R
AUX-SEND1 AUX-SEND2
AUX-RTN1-R
AUX-RTN1-L
+5VD
DGND
1 2 3 4 5 6 7 8 9 10 11 12 13 14
CN1 CN2.0-14P-180
C191
100P
C183
47u/25V
C192
100P
C185
47u/25V
C193
100P
C186
47u/25V
C194
100P
C187
47u/25V
R178 R179
GND
EFXRTN-L
EFXRTN-R
EFXRTN-R EFXRTN-L
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
CN2 CN2.0-16P-180
84
U18C
4580M
C24 100n C25 100n
ALT3 TO CR-L
ALT4 TO CR-R
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
CN3 CN2.0-16P-180
AMX-180MKII/180FX MKIIPU1-2
R100 20K
--- 5 ---

12345678910 11 12
A B C D
12
1110987654321
D
C B A
EQ HI
C65
18n(M) VR1
B50K
R50
6K8
VR3 B50K
R49
6K8
LO
R81
10K
C5
47u/25V
5 67
U1B
4580M
R177
1M
C137
22P
R1
1K1
VR2
B50K
R13
1K3
MID
R26
910R
C101
12n(M)
R25 910R
C114
33n(M) C113
33n(M)
C89
12n(M)
C77
18n(M)
C9
47u/25V
R140
6K8
VR5
W50K
AUX-1
R117
47K
R197
4K7
C161
2.2u/50V R57
6K8
TR2
3904
TR1
3904
R189
1K5
+VCC
LD3
RED
R133
680R 3
21
U1A
4580M
VR7A
10KD
PEAK
R221 15K
C141
22P
VR4
W50K
C13
47u/25V
R139
6K8
AUX-2
LEVEL
AUX-POST
R137
5K1
R138
5K1
LEFT-BUS
RIGHT-BUS
PAN
PGND
AUX-PRE
80HZ
2.5K
1 2 3
J1
POST (PRE)
C1
47u/25V
EQ HI
12KHZ
C69
18n(M) VR29A
B50K
R62
6K8
VR31A B50K
R61 6K8
LO
R89
10K
C17
47u/25V
3 21
U5A
4580M
R181
1M
C145
22P
R5
1K1
VR30A
B50K
R17
1K3
MID
R33
910R
C105
12n(M)
R34 910R
C122
33n(M) C121
33n(M)
C93
12n(M)
C81
18n(M)
C18
47u/25V
R121 47K R209
4K7 C165
2.2u/50V R77
6K8
TR4
3904
TR3
3904
R193 1K5
+VCC
LD15 RED
R153
5K1 3
21
U6A
4580M
VR35B
10KD
PEAK
R225 12K7
C153
22P
C33
47u/25V
LEVEL
BAL
PGND
80HZ 2.5K
EQ HI
12KHZ
C73
18n(M) VR29B
B50K
R70
6K8
VR31B B50K
R69
6K8
LO
R93
10K
C25
47u/25V
5 67
U5B
4580M
R185
1M
C149
22P
R9
1K1
VR30B
B50K
R21
1K3
MID
R42 910R
C109
12n(M)
R41 910R
C130
33n(M) C129
33n(M)
C97
12n(M)
C82
18n(M)
C26
47u/25V
80HZ 2.5K
R97
10K
R98
10K
R154
5K1 5
67
U6B
4580M
VR35A 10KD
R226
12K7
C154
22P
C34
47u/25V
LEVEL
R105
5K1
R106 5K1
21
3
SW2A
PS-42E85L
54
6
SW2B
PS-42E85L
87
9
SW2C
PS-42E85L
11 10
12
SW2D PS-42E85L
ALT-3 ALT-4
21
3
SW1A
PS-22E85L
21
3
SW3A
PS-42E85L
54
6
SW3B
PS-42E85L
87
9
SW3C
PS-42E85L
11 10
12
SW3D PS-42E85L
AFL-L AFL-R
R233
27K
R234
27K
AUX1 PRE/POST
SW2:MUTE/ALT3-4 SW3:SOLO,PFL
R85
10K
SOLO(PFL)
D2
BAS316
LOGIC
LD2 YEL
(SOLO)
LD1
RED
-VCC
(MUTE/ALT3-4)
CH1
11 10
12
SW5D PS-42E85L
LD4
RED CH2
11 10
12
SW8D PS-42E85L
LD7
RED CH3
11 10
12
SW11D PS-42E85L
LD10
RED CH4
11 10
12
SW14D PS-42E85L
LD13
RED CH5/6
11 10
12
SW17D PS-42E85L
LD16
RED CH7/8
11 10
12
SW20D PS-42E85L
LD19
RED CH9/10
11 10
12
SW23D PS-42E85L
LD22
RED CH11/12
R125
2K2
-VCC
(LOGIC=2.0V or 0.5V)
EQ HI
C66
18n(M) VR8
B50K
R52
6K8
VR10 B50K
R51
6K8
LO
R82
10K
C6
47u/25V
5 67
U2B
4580M
R178
1M
C138
22P
R2
1K1
VR9
B50K
R14
1K3
MID
R28
910R
C102
12n(M)
R27 910R
C116
33n(M) C115
33n(M)
C90
12n(M)
C78
18n(M)
C10
47u/25V
R144
6K8
VR12
W50K
AUX-1
R118
47K
R198
4K7
C162
2.2u/50V R58
6K8
TR6
3904
TR5
3904
R190
1K5
+VCC
LD6
RED
R134
680R 3
21
U2A
4580M
VR14A
10KD
PEAK
R222 15K
C142
22P
VR11
W50K
C14
47u/25V
R143
6K8
AUX-2
LEVEL
AUX-POST
R141
5K1
R142
5K1
LEFT-BUS
RIGHT-BUS
PAN
PGND
AUX-PRE
80HZ
2.5K
J2
POST (PRE)
C2
47u/25V
21
3
SW5A
PS-42E85L
54
6
SW5B
PS-42E85L
87
9
SW5C
PS-42E85L
ALT-3 ALT-4
21
3
SW4A
PS-22E85L
21
3
SW6A
PS-42E85L
54
6
SW6B
PS-42E85L
87
9
SW6C
PS-42E85L
11 10
12
SW6D PS-42E85L
AFL-L AFL-R
R235
27K
R236
27K
AUX1 PRE/POST
SW5:MUTE/ALT3-4 SW6:SOLO,PFL
R86
10K
SOLO(PFL)
D4
BAS316
LOGIC
LD5 YEL
(SOLO)
R126
2K2
-VCC
(LOGIC=2.0V or 0.5V)
EQ HI
C67
18n(M) VR15
B50K
R54
6K8
VR17 B50K
R53
6K8
LO
R83
10K
C7
47u/25V
5 67
U3B
4580M
R179
1M
C139
22P
R3
1K1
VR16
B50K
R15
1K3
MID
R30
910R
C103
12n(M)
R29 910R
C118
33n(M) C117
33n(M)
C91
12n(M)
C79
18n(M)
C11
47u/25V
R148
6K8
VR19
W50K
AUX-1
R119
47K
R199
4K7
C163
2.2u/50V R59
6K8
TR10
3904
TR9
3904
R191
1K5
+VCC
LD9
RED
R135
680R 3
21
U3A
4580M
VR21A
10KD
PEAK
R223 15K
C143
22P
VR18
W50K
C15
47u/25V
R147
6K8
AUX-2
LEVEL
AUX-POST
R145
5K1
R146
5K1
LEFT-BUS
RIGHT-BUS
PAN
PGND
AUX-PRE
80HZ
2.5K
J3
POST (PRE)
C3
47u/25V
21
3
SW8A
PS-42E85L
54
6
SW8B
PS-42E85L
87
9
SW8C
PS-42E85L
ALT-3 ALT-4
21
3
SW7A
PS-22E85L
21
3
SW9A
PS-42E85L
54
6
SW9B
PS-42E85L
87
9
SW9C
PS-42E85L
11 10
12
SW9D
PS-42E85L
AFL-L AFL-R
R237
27K
R238
27K
AUX1 PRE/POST
SW8:MUTE/ALT3-4 SW9:SOLO,PFL
R87
10K
SOLO(PFL)
D6
BAS316
LOGIC
LD8
YEL
(SOLO)
R127
2K2
-VCC
(LOGIC=2.0V or 0.5V)
EQ HI
C68
18n(M) VR22
B50K
R56
6K8
VR24 B50K
R55
6K8
LO
R84
10K
C8
47u/25V
5 67
U4B
4580M
R180
1M
C140
22P
R4
1K1
VR23
B50K
R16
1K3
MID
R32
910R
C104
12n(M)
R31 910R
C120
33n(M) C119
33n(M)
C92
12n(M)
C80
18n(M)
C12
47u/25V
R152
6K8
VR26
W50K
AUX-1
R120
47K
R200
4K7
C164
2.2u/50V R60
6K8
TR16
3904
TR15
3904
R192
1K5
+VCC
LD12
RED
R136
680R 3
21
U4A
4580M
VR28A
10KD
PEAK
R224 15K
C144
22P
VR25
W50K
C16
47u/25V
R151
6K8
AUX-2
LEVEL
AUX-POST
R149
5K1
R150
5K1
LEFT-BUS
RIGHT-BUS
PAN
PGND
AUX-PRE
80HZ
2.5K
J4
POST (PRE)
C4
47u/25V
21
3
SW11A
PS-42E85L
54
6
SW11B
PS-42E85L
87
9
SW11C
PS-42E85L
ALT-3 ALT-4
21
3
SW10A
PS-22E85L
21
3
SW12A
PS-42E85L
54
6
SW12B
PS-42E85L
87
9
SW12C
PS-42E85L
11 10
12
SW12D
PS-42E85L
AFL-L AFL-R
R239
27K
R240
27K
AUX1 PRE/POST
SW11:MUTE/ALT3-4 SW12:SOLO,PFL
R88
10K
SOLO(PFL)
D8
BAS316
LOGIC
LD11
YEL
(SOLO)
R128
2K2
-VCC
(LOGIC=2.0V or 0.5V)
R161
5K1
R162
5K1
LEFT-BUS
RIGHT-BUS
21
3
SW14A
PS-42E85L
54
6
SW14B
PS-42E85L
ALT-3 ALT-4
21
3
SW15A
PS-42E85L
54
6
SW15B
PS-42E85L
AFL-L AFL-R
R241
27K
R242
27K
R164
5K1
VR33
W50K
AUX-1
VR32
W50K
R163
5K1
AUX-2
AUX-POST
AUX-PRE
J5
POST (PRE)
87
9
SW14C
PS-42E85L
21
3
SW13A
PS-22E85L
87
9
SW15C
PS-42E85L
AUX1 PRE/POST
R107
10K
SOLO(PFL)
11 10
12
SW15D
PS-42E85L D3
BAS316
LOGIC
LD14
YEL
(SOLO)
R129
2K2
-VCC
(LOGIC=2.0V or 0.5V)
SW14:MUTE/ALT3-4 SW15:SOLO,PFL
EQ HI
12KHZ
C70
18n(M) VR36A
B50K
R64
6K8
VR38A B50K
R63 6K8
LO
R90
10K
C19
47u/25V
3 21
U7A
4580M
R182
1M
C146
22P
R6
1K1
VR37A
B50K
R18
1K3
MID
R35
910R
C106
12n(M)
R36 910R
C124
33n(M) C123
33n(M)
C94
12n(M)
C83
18n(M)
C20
47u/25V
R122 47K R210
4K7 C166
2.2u/50V R78
6K8
TR8
3904
TR7
3904
R194 1K5
+VCC
LD18 RED
R155
5K1 3
21
U8A
4580M
VR42B
10KD
PEAK
R227 12K7
C155
22P
C35
47u/25V
LEVEL
BAL
PGND
80HZ 2.5K
EQ HI
12KHZ
C74
18n(M) VR36B
B50K
R72
6K8
VR38B B50K
R71
6K8
LO
R94
10K
C27
47u/25V
5 67
U7B
4580M
R186
1M
C150
22P
R10
1K1
VR37B
B50K
R22
1K3
MID
R44 910R
C110
12n(M)
R43 910R
C132
33n(M) C131
33n(M)
C98
12n(M)
C84
18n(M)
C28
47u/25V
80HZ 2.5K
R99
10K
R100
10K
R156
5K1 5
67
U8B
4580M
VR42A 10KD
R228
12K7
C156
22P
C36
47u/25V
LEVEL
R108
5K1
R109 5K1
R165
5K1
R166
5K1
LEFT-BUS
RIGHT-BUS
21
3
SW17A
PS-42E85L
54
6
SW17B
PS-42E85L
ALT-3 ALT-4
21
3
SW18A
PS-42E85L
54
6
SW18B
PS-42E85L
AFL-L AFL-R
R243
27K
R244
27K
R168
5K1
VR40
W50K
AUX-1
VR39
W50K
R167
5K1
AUX-2
AUX-POST
AUX-PRE
J6
POST (PRE)
87
9
SW17C
PS-42E85L
21
3
SW16A
PS-22E85L
87
9
SW18C
PS-42E85L
AUX1 PRE/POST
R110
10K
SOLO(PFL)
11 10
12
SW18D
PS-42E85L D5
BAS316
LOGIC
LD17
YEL
(SOLO)
R130
2K2
-VCC
(LOGIC=2.0V or 0.5V)
SW17:MUTE/ALT3-4 SW18:SOLO,PFL
EQ HI
12KHZ
C71
18n(M) VR43A
B50K
R66
6K8
VR45A B50K
R65 6K8
LO
R91
10K
C21
47u/25V
3 21
U9A
4580M
R183
1M
C147
22P
R7
1K1
VR44A
B50K
R19
1K3
MID
R37
910R
C107
12n(M)
R38 910R
C126
33n(M) C125
33n(M)
C95
12n(M)
C85
18n(M)
C22
47u/25V
R123 47K R211
4K7 C167
2.2u/50V R79
6K8
TR12
3904
TR11
3904
R195 1K5
+VCC
LD21 RED
R157
5K1 3
21
U10A
4580M
VR49B
10KD
PEAK
R229 12K7
C157
22P
C37
47u/25V
LEVEL
BAL
PGND
80HZ 2.5K
EQ HI
12KHZ
C75
18n(M) VR43B
B50K
R74
6K8
VR45B B50K
R73
6K8
LO
R95
10K
C29
47u/25V
5 67
U9B
4580M
R187
1M
C151
22P
R11
1K1
VR44B
B50K
R23
1K3
MID
R46 910R
C111
12n(M)
R45 910R
C134
33n(M) C133
33n(M)
C99
12n(M)
C86
18n(M)
C30
47u/25V
80HZ 2.5K
R101
10K
R102
10K
R158
5K1 5
67
U10B
4580M
VR49A 10KD
R230
12K7
C158
22P
C38
47u/25V
LEVEL
R111
5K1
R112 5K1
R169
5K1
R170
5K1
LEFT-BUS
RIGHT-BUS
21
3
SW20A
PS-42E85L
54
6
SW20B
PS-42E85L
ALT-3 ALT-4
21
3
SW21A
PS-42E85L
54
6
SW21B
PS-42E85L
AFL-L AFL-R
R245
27K
R246
27K
R172
5K1
VR47
W50K
AUX-1
VR46
W50K
R171
5K1
AUX-2
AUX-POST
AUX-PRE
J7
POST (PRE)
87
9
SW20C
PS-42E85L
21
3
SW19A
PS-22E85L
87
9
SW21C
PS-42E85L
AUX1 PRE/POST
R113
10K
SOLO(PFL)
11 10
12
SW21D PS-42E85L D7
BAS316
LOGIC
LD20
YEL
(SOLO)
R131
2K2
-VCC
(LOGIC=2.0V or 0.5V)
SW20:MUTE/ALT3-4 SW21:SOLO,PFL
EQ HI
12KHZ
C72
18n(M) VR50A
B50K
R68
6K8
VR52A B50K
R67 6K8
LO
R92
10K
C23
47u/25V
3 21
U11A
4580M
R184
1M
C148
22P
R8
1K1
VR51A
B50K
R20
1K3
MID
R39
910R
C108
12n(M)
R40 910R
C128
33n(M) C127
33n(M)
C96
12n(M)
C87
18n(M)
C24
47u/25V
R124 47K R212
4K7 C168
2.2u/50V R80
6K8
TR18
3904
TR17
3904
R196 1K5
+VCC
LD24 RED
R159
5K1 3
21
U12A
4580M
VR56B
10KD
PEAK
R231 12K7
C159
22P
C39
47u/25V
LEVEL
BAL
PGND
80HZ 2.5K
EQ HI
12KHZ
C76
18n(M) VR50B
B50K
R76
6K8
VR52B B50K
R75
6K8
LO
R96
10K
C31
47u/25V
5 67
U11B
4580M
R188
1M
C152
22P
R12
1K1
VR51B
B50K
R24
1K3
MID
R48 910R
C112
12n(M)
R47 910R
C136
33n(M) C135
33n(M)
C100
12n(M)
C88
18n(M)
C32
47u/25V
80HZ 2.5K
R103
10K
R104
10K
R160
5K1 5
67
U12B
4580M
VR56A 10KD
R232
12K7
C160
22P
C40
47u/25V
LEVEL
R114
5K1
R115 5K1
R173
5K1
R174
5K1
LEFT-BUS
RIGHT-BUS
21
3
SW23A
PS-42E85L
54
6
SW23B
PS-42E85L
ALT-3 ALT-4
21
3
SW24A
PS-42E85L
54
6
SW24B
PS-42E85L
AFL-L AFL-R
R247
27K
R248
27K
R176
5K1
VR54
W50K
AUX-1
VR53
W50K
R175
5K1
AUX-2
AUX-POST
AUX-PRE
J8
POST (PRE)
87
9
SW23C
PS-42E85L
21
3
SW22A
PS-22E85L
87
9
SW24C
PS-42E85L
AUX1 PRE/POST
R116
10K
SOLO(PFL)
11 10
12
SW24D
PS-42E85L
D9
BAS316
LOGIC
LD23
YEL
(SOLO)
R132
2K2
-VCC
(LOGIC=2.0V or 0.5V)
SW23:MUTE/ALT3-4 SW23:SOLO,PFL
84
U3C
4580M
84
U6C
4580M
84
U2C
4580M
84
U5C
4580M
84
U8C
4580M
84
U11C
4580M
84
U12C
4580M
84
U9C
4580M
84
U1C
4580M
84
U4C
4580M
84
U7C
4580M
84
U10C
4580M
C41 100n
C42 100n
C43 100n
C46 100n
C44 100n
C47 100n
C45 100n
C48 100n
C49 100n
C52 100n
C50 100n
C53 100n
C51 100n
C54 100n
C55 100n
C57 100n
C56 100n
C58 100n
C59 100n
C62 100n
C60 100n
C63 100n
C61 100n
C64 100n
+VCC
-VCC
TR19
3906
R250
120R 1/4W
R249 510R
+VCC
CR-A
AMX180FXMN1 AMX180FXMN1.S02 AMX180FXMN1 AMX180FXMN1.S03
RTN-CH1 RTN-CH2 RTN-CH3 RTN-CH4
PRE-CH5 PRE-CH6 PRE-CH7 PRE-CH8 PRE-CH9
PRE-CH10 PRE-CH11 PRE-CH12
RTN-CH1 RTN-CH2 RTN-CH3 RTN-CH4
PRE-CH5 PRE-CH6 PRE-CH7 PRE-CH8 PRE-CH9 PRE-CH10 PRE-CH11 PRE-CH12
LOGIC LOGIC LOGIC LOGIC
LOGIC LOGIC LOGIC LOGIC
AMX180FXMN1 AMX180FXMN1.S01
VR6
B5K
R201 4K7 R202 4K7
VR13
B5K
R203 4K7 R204 4K7
VR20
B5K
R205 4K7 R206 4K7
VR27
B5K
R207 4K7 R208 4K7
VR34
B5K
R213 4K7 R214 4K7
VR41
B5K
R216 4K7 R215 4K7
VR48
B5K
R217 4K7 R218 4K7
VR55
B5K
R219 4K7 R220 4K7
AMX-180 MKII/180FX MKII MN1.Sch
Titel Size File: Date: Drawn By:
Sheet
RevisionModel No:
12-Oct-2004 KENNY HO.
CH1~CH12
41of
AMX-180 MKII/180FX MKII MN1 VER040709
A3
PCB#AMX-180 MKII/180FX MKII MN1.PCB
AMX-180 MKII/180FX MKIIMN1-1
R430 5K1
R428 7K68 R429 7K68
R436 5K1 R437 5K1
R435 7K68 R443 7K68
R444 5K1
R433 5K1
R431 5K1 R432 5K1
R434 5K1 R441 5K1
R438 5K1 R439 5K1
R442 5K1 R447 5K1 R448 5K1
R440 5K1 R445 5K1
R450 5K1 R451 5K1
R446 5K1 R449 5K1
--- 6 ---

12345678
A B C D
8
7654321
D
C B A
5 67
U13B
4580M
3 21
U13A
4580M
R251
4K7
C169
22P
LEFT-BUS
RIGHT-BUS
C170
22P
R252
4K7
C187
47u/25V
C188
47u/25V
3 21
U14A
4580M
3 21
U15A
4580M
R273
36K
C175
22P
R255
6K2
VR62A 10KD
MAIN MIX
VR63A 10KD
R274
36K
C176
22P
R257
6K2
C197 47u/25V C198 47u/25V
R283 10K
R285 10K
MAIN MIX
LEFT
RIGHT
MAIN-L-2 MAIN-R-2
C206
47u/25V
R314
1K5 3
21
U22A
4580M
R313
1K
C186
22P
C212
47u/25V
R304
10K
R262
8K2
C205
47u/25V
R312
1K5 5
67
U22B
4580M
R311
1K
C185
22P
C211
47u/25V
R303
10K
R261
8K2
LEFT-BUS
RIGHT-BUS
2TK TO MIX
C251 100P
C252
100P
2TK-IN-L 2TK-IN-R
(BALANCED)
5 67
U14B
4580M
C241
22P
C245
47u/25V
R259 5K1
R284 10K
R256
5K1
MAIN OUT
LEFT
RIGHT
MAIN-L-3
5 67
U15B
4580M
C242
22P
C246
47u/25V
R260 5K1
R286 10K
R258
5K1
MAIN-R-3
3 21
U16A
4580M
3 21
U17A
4580M
R253
14K
C171
22P
ALT-3 ALT-4
C172
22P
R254
14K
C189
47u/25V
C190
47u/25V
ALT 3-4
(ALT-3)
C243
47u/25V
ALT 3/4 OUT
C244
47u/25V
3 21
U18A
4580M
3 21
U19A
4580M
R267
27K
C173
22P
AUX-1 AUX-2
C174
22P
R268
27K
C195
47u/25V
C191
47u/25V
5 67
U18B
4580M
5 67
U19B
4580M
R271
25K
C179
22P
VR60
W50K
AUX1 SEND
VR61
W50K
R272
25K
C180
22P
C199
47u/25V
C200
47u/25V
R289 10K
R290 10K
AUX2 SEND
R279 8K2
R280
8K2
AUX-SEND1 AUX-SEND2
5 67
U16B
4580M
5 67
U17B
4580M
R269
44K2
C177
22P
VR59B
W50K
VR59A
W50K
R270
44K2
C178
22P
R277 6K2
R278
6K2
SW27A
PS-22E85L
SW27B
PS-22E85L
LEFT-BUS
R306
18K
RIGHT-BUS
R305
18K
(ALT3/4 TO MIX)
SW28A
PS-22E85L
SW28B
PS-22E85L
84
U15C
4580M
84
U18C
4580M
84
U14C
4580M
84
U17C
4580M
84
U20C
4580M
84
U21C
4580M
84
U13C
4580M
84
U16C
4580M
84
U19C
4580M
84
U22C
4580M
C217 100n
C219 100n
C218 100n
C220 100n
C221 100n
C224 100n
C222 100n
C225 100n
C223 100n
C226 100n
C227 100n
C230 100n
C228 100n
C231 100n
C229 100n
C232 100n
C234 100n
C237 100n
C235 100n
C238 100n
+VCC
-VCC
ALT3-L ALT4-R
MAIN-R-2 MAIN-R-3
MAIN-L-3 MAIN-L-2
AUX-SEND1 AUX-SEND2
2TK-IN-L 2TK-IN-R
2TK TO CR-L 2TK TO CR-R
R287 10K R288 10K
VR65A
W50K
VR65B
W50K
2TK IN
R291 10K
R307
22K
R294
10K
R308
22K
VR58B
W50K
VR58A
W50K
3 21
U20A
4580M
5 67
U20B
4580M
R317
48K7
C253
22P
C213
47u/25V
R263
12K
R318
48K7
C254
22P
C214
47u/25V
R264
12K
R266
14K
R265
14K
AUX RETURN 1
R321
47K
R322
47K
EFX TO AUX1
AUX-1 AUX-1
LEFT-BUS
RIGHT-BUS
R298 10K
R309
22K
R300
10K
R310
22K
VR57B
W50K
VR57A
W50K
3 21
U21A
4580M
5 67
U21B
4580M
R319
57K6
C255
22P
C215
47u/25V R315
20K
R320
57K6
C256
22P
C216
47u/25V R316
20K
AUX RETURN 2
LEFT-BUS RIGHT-BUS
AUX-RTN1-L AUX-RTN1-R AUX-RTN2-R AUX-RTN2-L SW25A
PS-22E85L
SW25B
PS-22E85L
AUX-RTN1-L AUX-RTN1-R AUX-RTN2-R AUX-RTN2-L
AMX-180 MKII/180FX MKII MN1.S01
Titel Size File: Date: Drawn By:
Sheet
RevisionModel No:
12-Oct-2004 KENNY HO.
MAIN/DISPLAY STAGE
42of
AMX-180 MKII/180FX MKII MN1 VER040709
A3
PCB# AMX-180 MKII/180FX MKII MN1.PCB
AMX-180MKII/180FX MKIIMN1-2
R452 10K R453 10K
R454 10K R455 10K
C209 47u/25V C210 47u/25V
R458 3K6 R459 3K6
5 67
U28B 4580M
3 21
U28A 4580M
84
U28C
4580M
C310 100n C311 100n
C312 22P C313 22P
--- 7 ---

12345678
A B C D
8
7654321
D
C B A
5 67
U23B
4580M
R376
20K
C285
22P C292
47u/25V
3 21
U23A
4580M
R426
10K
C287
22P
R385
5K1
VR64B 10KD
CTRL ROOM
LEFT
CTRL-R-L
TR20
J112
R383
5K1
SW29A
PS-22E85L
SW30A
PS-22E85L
SW31A
PS-22E85L
MAIN MIX
ALT-3
2TK
R372
8K2
R373
12K
R406
7K5
R412
62K
R366
0R
R358
100K
R420
47K
R407
12K
R410
62K
LOGIC
R356 100K
R360
15K
R363
10K
+VCC
3 21
U26A
4580M
R380 220K
R361
15K
+VCC
R364
10K
C296 100n
D11
BAS316
R381
5K1
LD27
YEL
LD26
RED
21
3
SW26A
PS-42E85L PFL
SOLO
5 67
U25B
4580M
R378
82K
C283
22P
C290
47u/25V
AFL-L
R369
20K
5
4 6
SW26B
PS-42E85L
5 67
U26B
4580M
R379
82K
C284
22P
C291
47u/25V
AFL-R
R370
20K
8
7 9
SW26C
PS-42E85L
D12
BAS316
SOLO(PFL)
11 10
12
SW26D
PS-42E85L
R382
5K1
R371
20K C299
2.2u/50V
SW-FET
SW-FET
PFL-IN-L
PFL-IN-L PFL-IN-R
L-METER
TR21
J112
SW-FET
5 67
U24B
4580M
R377
20K
C286
22P C293
47u/25V
3 21
U24A
4580M
R427
10K
C288
22P
R386
5K1
VR64A 10KD
CTRL ROOM
RIGHT
CTRL-R-R
TR22 J112
R384
5K1
SW29B
PS-22E85L
SW30B
PS-22E85L
SW31B
PS-22E85L
MAIN MIX
ALT-4
2TK
R374
8K2
R375
12K
R408
7K5
R413
62K
R367
0R
R359
100K
R421
47K
R409
12K
R411
62K
SW-FET
PFL-IN-R
R-METER
TR23
J112
SW-FET
TR24
J112
R357 100K
CTRL ROOM SOURCE
8
914
U31C
LM339
1
6
7
U31B
LM339
1
6
7
U30B
LM339
8
914
U30C
LM339
8
914
U33C
LM339
1
6
7
U33B
LM339
1
6
7
U32B
LM339
8
914
U32C
LM339
LD41
GR LD40
GR LD39
GR LD38
GR LD37
GR LD36
GR LD35
GR LD34
GR
R387
120R 1/4W
R391 120R R401
470R R404
330R R402
470R R405
330R R403
470R R414
510R R415
620R
+VCC
R390
56R
-VCC
PGND
10
11 13
U31D
LM339
5
42
U31A
LM339
5
42
U30A
LM339
10
11 13
U30D
LM339
10
11 13
U33D
LM339
5
42
U33A
LM339
5
42
U32A
LM339
10
11 13
U32D
LM339
LD53 GR LD52
GR LD51
GR LD50
GR LD49
GR LD48
GR LD47
GR LD46
GR
-VCC
LEFT METER
(-30) (-20) (-10) (-7) (-4) (-2) (0) (+2)
5 67
U27B
LM358
R399 36K
R393
0R0
R395
100K C297
47u/25V
PGND
10
11 13
U35D
LM339
5
42
U35A
LM339
5
42
U34A
LM339
10
11 13
U34D
LM339
LD45 GR LD44
GR LD43
YEL LD42
RED
8
914
U35C
LM339
1
6
7
U35B
LM339
1
6
7
U34B
LM339
8
914
U34C
LM339
LD33
GR LD32
GR LD31
YEL LD30
RED
R416 1K3 R417
2K R418
5K6 R419
8K2
TR13
3906
+VCC
D1A
DA204K
D1B
DA204K
TR14
3906
R392
120R 1/4W
R388 510R
R389
510R
R365
10K
PGND
3 21
U27A
LM358
R400 36K
R394
0R0
R396
100K C298
47u/25V
PGND
L-METER R-METER
312
U31E
LM339
312
U32E
LM339
312
U30E
LM339
312
U33E
LM339
312
U34E
LM339
84
U27C
4580M
C300
100n
C301
100n
R424
47R
R425
47R
C294
47u/25V
C295
47u/25V
+VCC
-VCC
PGND
LD28
RED
LD29
GR
R423
4K7
R422
2K
PGND PGND
PH LED
(+4) (+7) (+10) (+18)
PWR ON
PHANTOM
+VCC
312
U35E
LM339
R398
10K
R397
10K
PGNDPGND
CR-A
84
U25C
4580M
84
U24C
4580M
84
U23C
4580M
84
U26C
4580M
C302 100n
C303 100n
C304 100n
C307 100n
C305 100n
C308 100n
C306 100n
C309 100n
+VCC
-VCC
3 21
U25A
4580M
R362
10K
C282
22P
C289
47u/25V
CTRL-R-L CTRL-R-R
LOGIC
SW-FET
SW-FET SW-FET SW-FET SW-FET
PFL-IN-R PFL-IN-L
PFL-IN-R PFL-IN-L
R368
20K
MAIN-L-2
MAIN-R-2
ALT3 TO CR-L ALT4 TO CR-R
2TK TO CR-R 2TK TO CR-L
SOLO(PFL)
AFL-L AFL-R
ACTIVE
D13 RLS4148
D14
RLS4148
D16 RLS4148
D17
RLS4148
PRE-CH5 PRE-CH6 PRE-CH7 PRE-CH8
PRE-CH9 PRE-CH10 PRE-CH11 PRE-CH12
+VCC
-VCC
GND
GND
MAIN-R-2 MAIN-R-3
MAIN-L-2
AUX-RTN1-L AUX-RTN1-R
AUX-SEND1 AUX-SEND2
RTN-CH1 RTN-CH2 RTN-CH3 RTN-CH4
AUX-RTN2-L AUX-RTN2-R
1 2 3 4 5 6 7 8 9 10 11 12 13 14
CN1
1 2 3 4 5 6 7 8 9 10 11 12 13 14
CN2
AMX-180 MKII/180FX MKII MN1.S02
Titel Size File: Date: Drawn By:
Sheet
RevisionModel No:
12-Oct-2004 KENNY HO.
CONTROL ROOM STAGE
43of
AMX-180 MKII/180FX MKII MN1 VER040709
A2(C)
AMX-180MKII/180FX MKIIMN1-3
EFXRTN-R EFXRTN-L 1
2
CN17
CTRL-R-L CTRL-R-R 2TK-IN-L 2TK-IN-R
PH LED
ALT4-R ALT3-L
MAIN-L-3
2TK-IN-L 2TK-IN-R
CTRL-R-L CTRL-R-R
FOOTSW
PGND
+5VD
DGND
GND
ALT3 TO CR-L ALT4 TO CR-R
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
CN3
--- 8 ---

1 2 34
A B C D
4
321
D
C B A
AMX-180 MKII/180FX MKII MN1.S03
Titel Size File: Date: Drawn By:
Sheet
RevisionModel No:
12-Oct-2004 KENNY HO.
UDASP IN/OUT SECTION
44of
AMX-180 MKII/180FX MKII MN1 VER040709
A2(C)
AMX-180MKII/180FX MKIIMN1-4
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16
CN4 CON16
C261_1 C262_1 TR400_C
+5VD
CN11_16 U49_1 C263_1
PGND DGND
LD401_2 C260_2 R335_2 R331_2
12 34 56 78 910 1112 1314 1516
CN11
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
DGND
DGND
+5VD
DGND
+5VD 1
2 4 8
1 2 4 8 PRESETVARIATION
CN11_16 R331_2 R335_2 C260_2
C261
4.7uF
C262
4.7uF
3
5
7
RL1B RY-5W-K
4
6
8
RL1C RY-5W-K
C263
4.7uF
AUX-SEND2
(MUTE) (MUTE)
LD401 RED
PEAK(FLICKER) MUTE(GLOW)
C261_1 C262_1
C263_1
R352
220R
R353
220R SW401
PS-22E85NL
DGND
(MUTE)
12
RL1A
RY-5W-K
+5VD
C275
100N
D20
RLS4148
FOOTSW
TR400_C
U49_1
LD401_2
+VCC GND -VCC
+VCC
JP1
PGND
EFXRTN-L EFXRTN-R
--- 9 ---

12345678
A B C D
8
7654321
D
C B A
FX-DSP-NEW.Sch
Titel Size File: Date: Drawn By:
Sheet
RevisionModel No:
20-Oct-2004 KENNY HO.
FX-DSP
11of
FX-DSP VER040507
A2(C)
C329 22P C345
1.5nF 2.5%
5 6
7
U44B
4580M
R399 10K
R420 100R
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 100R
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
12 13
U49F
74HC14
147
U49G
74HC14
DGND
CLK 12
J14
S
11
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
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
FX-DSP
For AMX-180FX MKII only
--- 10 ---

--- 11 ---
For AMX-180FX MKII only

PCB : 313123/2 Top Overlay
5. PCB Layout
--- 12 ---

AMX-180MKII/180FX MKII PU1 Top Overlay
AMX-180MKII/180FX MKII PU1 Top Layer
--- 13 ---

AMX-180MKII/180FX MKII PU1 Bottom Overlay
AMX-180MKII/180FX MKII PU1 Bottom Layer
--- 14 ---

AMX-180MKII/180FX MKII MN1-Bottom Layer
--- 15 ---

AMX-180MKII/180FX MKII MN1-Top Layer
--- 16 ---

DSP(for AMX-180 FX MKII only)
--- 17 ---

1 2 34
A B C D
4
321
D
C B A
CN1 CN2 CN3
SW10
CN5
SW11
POWERSW
PHANTOMSW
ACIN
AC230V
TG00117
Voltage transform
CN1 CN2
CN3
AMX180PU1 AMX180MN1
AMX-180MKII/180FX MKII Wiring Diagram
CN17
AMX-180MKII180FXMKII WIRING DIAGRAM .Sch
Titel Size File: Date: Drawn By:
Sheet
RevisionModel No:
17-Jan-2005 11of
A3 AMX-180MKII/180FX MKII
PCB# AMX180MN1.PCB
P-UDASP
6. Wiring Diagram
--- 18 ---