1
2
3
4
5
6
7
8
9
10
11
12
A
B
C
D
12
11
10
9
8
7
6
5
4
3
2
1
D
C
B
A
PR
E
-C
H
16
PR
E
-C
H
15
PR
E
-C
H
14
PR
E
-C
H
13
PRE-
CH16
PRE-
CH15
(T
O
A
M
X
-220F
X
P
U
1)
1
2
3
4
5
6
7
8
9
10
11
12
CN1
2.0-
12P
2T
K
-I
N
-R
2T
K
-I
N
-L
CT
RL
-R-
R
CT
RL
-R-
L
A
U
X-
SEND2
A
U
X-
SEND1
A
U
X-
RT
N2
-R
A
U
X-
RT
N2
-L
A
U
X-
RT
N1
-R
A
U
X-
RT
N1
-L
(T
O
A
M
X
-220F
X
P
U
1)
1
2
3
4
5
6
7
8
9
10
11
12
CN7 2.0-
12P
PRE-
CH14
PRE-
CH13
PRE-
CH12
PRE-
CH11
PRE-
CH10
PRE-
CH9
CTRL-
R
-R
CTRL-
R
-L
2
T
K-IN-R
2
T
K-IN-L
A
UX-S
E
ND2
A
UX-S
E
ND1
A
UX-RTN2
-L
A
UX-RTN2
-R
A
UX-RTN1
-R
A
UX-RTN1
-L
PR
E
-C
H
12
PR
E
-C
H
11
PR
E
-C
H
10
PR
E
-C
H
9
1
2
3
4
5
6
7
8
9
10
11
12
CN5 2.0-
12P
(T
O
A
M
X
-220F
X
P
U
1)
LD1
6
GR
LD1
8
GR
LD2
0
GR
LD2
2
GR
LD2
4
GR
LD2
6
GR
LD2
8
GR
LD3
0
GR
R320
120R 1/4W
-V
C
C
LD1
7
GR
LD1
9
GR
LD2
1
GR
LD2
3
GR
LD2
5
GR
LD2
7
GR
LD2
9
GR
LD3
1
GR
-V
C
C
LE
FT M
ETER
(-30)
(-20)
(-10)
(-7)
(-4)
(-2)
(0)
(+
2)
3
2
1
U17A 4580M
R318
36K
R325
0R0
R323 100K
C101
47u
/25V
P
GND
LD3
3
GR
LD3
5
GR
LD1
4
YE
L
LD5
RE
D
LD3
2
GR
LD3
4
GR
LD1
3
YE
L
LD4 RE
D
TR
9
HR
+V
C
C
TR
1
0
HR
R317
120R 1/4W
R322
510R
R321
510R
R122
10K
P
GND
5
6
7
U17B
4580M
R319
36K
R326 0R0
R324 100K
C102
47u
/25V
P
GND
L-
M
ETER
R-
M
ETER
8
4
U17C
4580M
C103
100n
C124
100n
R343
47R
R344
47R
C81
47u
/25V
C82
47u
/25V
+V
C
C
-V
C
C
P
GND
LD6
RE
D
LD3
6
GR
R75
4K7
R342
2K
P
GND
P
GND
PH
PW
R
(+
4)
(+
7)
(+
10)
(+
18)
PW
R
ON
PH
A
N
T
O
M
+V
C
C
R329
10K
R328
10K
P
GND
P
GND
CR-
A
C239
47P
C240
47P
3
2
1
U15A
4580M
R141
20K
C13
22P
C44
47u
/25V
5
6
7
U15B
4580M
R53
18K
C14
22P
R11
5K1
V
R
64B
10KD
CTRL ROOM
LE
FT
CT
RL
-R-
L
TR
1
1
J112
R25
5K1
SW
4
A
P
S
-22E
85L
SW
5
A
P
S
-22E
85L
SW
6
A
P
S
-22E
85L
MA
IN
MI
X
AL
T
-3
2T
K
R139
20K
R147
20K
R140
20K
R178 10K
R176 120R
R170
100K
R281
47K
R156
12K
R174
100K
L
OGI
C
R171
100K
R313
15K
R110 10K
+V
C
C
3
2
1
U14A
4580M
R214
220K
R314
15K
+V
C
C
R111
10K
C238 100n
D1
BA
S
316
R23
5K1
LD1
1
YE
L
LD2
RE
D
2
1
3
S
W
12A
P
S
-42E
85L
PF
L
SOL
O
D2
BA
S
316
11
10
12
S
W
12D
P
S
-42E
85L
R24
5K1
R146
20K
C230
2.2u
/50V
SW
-F
ET
SW
-F
ET
PFL-
IN
-L
L-
M
ETER
TR
1
4
J112
SW
-F
ET
3
2
1
U16A
4580M
R151
20K
C25
22P
C71
47u
/25V
5
6
7
U16B
4580M
R57
18K
C26
22P
R27
5K1
V
R
64A
10KD
CTRL ROOM
RIGHT
CT
RL
-R-
R
TR
1
2
J112
R26
5K1
SW
4
B
P
S
-22E
85L
SW
5
B
P
S
-22E
85L
SW
6
B
P
S
-22E
85L
MA
IN
MI
X
AL
T
-4
2T
K
R149 20K
R150 20K
R148 20K
R179 10K
R177
120R
R175 100K
R280
47K
R163 12K
R173
100K
SW
-F
ET
PFL-
IN
-R
R-
M
E
TER
TR
1
3
J112
SW
-F
ET
TR
1
5
J112
R172
100K
CT
RL RO
O
M
S
O
URCE
CTRL-
R
-L
CTRL-
R
-R
LOGIC
SW-
F
ET
SW-
F
ET
SW-
F
ET
SW-
F
ET
SW-
F
ET
PF
L
-I
N
-R
PF
L
-I
N
-L
M
A
IN-L
-2
M
A
IN-R
-2
A
LT3
-L
A
LT4
-R
2
T
K TO CR-
R
2
T
K TO CR-
L
AC
T
IV
E
5
6
7
U1B
4580M
3
2
1
U1A
4580M
R3
8K2
C1
22P
LEF
T
-B
US
RIGHT-BUS
C3
22P
R2
8K2
C35
47u
/25V
C34
47u
/25V
3
2
1
U2A
4580M
3
2
1
U3A
4580M
R52
18K
C7
22P
R5
5K1
VR
1
A
10KD
MAIN MIX
1
2
3
GND
7
GND
8
VR
2
A
10KD
R51
18K
C6 22P
R6
5K1
C41
47u
/25V
C42
47u
/25V
R89
10K
R88
10K
MAIN MIX
LE
FT
RIGHT
M
A
IN-L
-2
M
A
IN-R-2
(BALANCE
D)
5
6
7
U2B
4580M
C95
22P
C99
47u
/25V
R9
5K1
R90
10K
R7
5K1
M
A
IN
OU
T
LEFT
RIGHT
M
A
IN-L
-3
5
6
7
U3B
4580M
C96
22P
C100
47u
/25V
R10
5K1
R91
10K
R8
5K1
M
A
IN-R-3
M
A
IN-R
-2
M
A
IN-R
-3
M
A
IN-L
-3
M
A
IN-L
-2
3
2
1
U4A
4580M
3
2
1
U5A
4580M
R4
18K
C2
22P
AL
T
-3
AL
T
-4
C4
22P
R1
18K
C37
47u
/25V
C36
47u
/25V
ALT 3-4
(A
LT-3)
C97
47u
/25V
A
LT
3/4 OU
T
C98
47u
/25V
3
2
1
U6A
4580M
3
2
1
U7A
4580M
R82
15K
C5
22P
A
UX-1
A
UX-2
C18
22P
R83
15K
C57
47u
/25V
C56
47u
/25V
5
6
7
U6B
4580M
5
6
7
U7B
4580M
R85 57K6
C10
22P
R65
22K
VR
4
W50K
AUX1 SEND
VR
5
W50K
R84 57K6
C23
22P
R70
22K
C63
47u
/25V
C64
47u
/25V
R109
10K
R108
10K
AUX2 SEND
R49
8K2
R50
8K2
TP
1
1
TP
1
2
A
U
X-
SEND1
A
U
X-
SEND2
5
6
7
U4B
4580M
5
6
7
U5B
4580M
R81
47K
C9
22P
4
5
6
VR
3
B
W50K
1
2
3
GND
7
GND
8
VR
3
A
W50K
R80
47K
C8
22P
R47
12K
R48
12K
TP
9
TP
1
0
SW
1
A
P
S
-22E
85L
SW
1
B
P
S
-22E
85L
LEF
T-
BUS
R136
10K
RIGHT-BUS
R135
10K
(A
L
T
3/4 T
O
M
IX
)
AL
T
3
-L
AL
T
4
-R
A
UX-S
E
ND1
A
UX-S
E
ND2
R107
10K
R105
10K
VR
6
B
W50K
VR
6
A
W50K
3
2
1
U10A
4580M
5
6
7
U10B
4580M
R307
56K
C191
22P
C65
47u
/25V
R19
22K
R309
56K
C192
22P
C67
47u
/25V
R20
22K
R22
22K
R21
22K
AUX RETURN 1
R312
22K
R311
22K
EFX TO AUX1
A
UX-1
A
UX-1
LEF
T-
BUS
RIGHT-BUS
R104
10K
R106
10K
VR
7
B
W50K
VR
7
A
W50K
3
2
1
U11A
4580M
5
6
7
U11B
4580M
R308
56K
C194 22P
C66
47u
/25V
R142
20K
R310
56K
C193
22P
C68
47u
/25V
R143
20K
AUX RETURN 2
LEFT
-B
U
S
RIGHT
-BUS
AUX
-RT
N1
-L
AUX
-RT
N1
-R
AUX
-RT
N2
-R
AUX
-RT
N2
-L
SW
2
A
P
S
-22E
85L
SW
2
B
P
S
-22E
85L
A
UX-RTN1
-L
A
UX-RTN1
-R
A
UX-RTN2
-R
A
UX-RTN2
-L
C93
47u
/25V
R154
20K
3
2
1
U12A
4580M
R155
22K
C33
22P
C94
47u
/25V
R134
10K
R45
18K
C91
47u
/25V
R152
20K
5
6
7
U12B
4580M
R153
22K
C32
22P
C92
47u
/25V
R133
10K
R44
18K
LEF
T-
BUS
RIGHT-BUS
2TK TO
M
IX
C241
100P
C242
100P
2T
K-
IN
-L
2T
K-
IN
-R
SW
3
A
P
S
-22E
85L
SW
3
B
P
S
-22E
85L
2
T
K-IN-L
2
T
K-IN-R
2
T
K TO CR-
L
2T
K
T
O
C
R
-R
8
4
U5C
4580M
8
4
U4C
4580M
8
4
U7C
4580M
8
4
U10C
4580M
8
4
U11C
4580M
8
4
U3C
4580M
8
4
U6C
4580M
8
4
U12C
4580M
C108
100n
C109
100n
C110
100n
C111
100n
C112
100n
C113
100n
C114
100n
C115
100n
C116
100n
C117
100n
C122
100n
C123
100n
C125
100n
C126
100n
C127
100n
C128
100n
+V
C
C
-V
C
C
R87
10K
R86
10K
8
4
U2C
4580M
8
4
U1C
4580M
C104
100n
C105
100n
C106
100n
C107
100n
8
4
U15C
4580M
8
4
U14C
4580M
8
4
U13C
4580M
8
4
U16C
4580M
C129
100n
C130
100n
C131
100n
C132
100n
C133
100n
C134
100n
C135
100n
C136
100n
A
M
X
-220
MKII/220
FX
MKII
M
N
1
C342
4.7u
F
/25V
3
5
7
RL1B RY
-5
W-
K
4
6
8
RL1C
RY
-5
W-
K
EFX
R
T
N
-L
EFX
R
T
N
-R
EF
XRTN-
L
EF
XRTN-
R
A
UX-S
E
ND2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
CN6
HE
A
D
E
R
8X
2
1
2
3
4
COM
EN
2
S
D
B161P
V
B
15F
S
1
2
3
4
COM
EN
1
S
D
B161P
V
B
15F
S
1
2
3
4
5
6
7
8
AR
1
680R*
4
1
2
3
4
5
6
7
8
AR
2
680R*
4
C344
4.7u
F
/25V
DGND
DGND
+5
V
+5
V
R429
220R
R430
220R
DGND
(M
U
T
E
)
C343 4.7u
F
/25V
LD5
4
RE
D
(M
U
T
E
)
(M
U
T
E
)
1
2
4
8
1
2
RL1A
RY
-5
W-
K
1
+5
V
2
4
C335
100N
8
D13
RL
S
4148
+V
C
C
PEAK(
F
L
IC
KER
)
MU
T
E
(G
LO
W
)
PR
ESET
VAR
IAT
ION
AUX
-SEND2
1
2
3
SW
7
A
P
S
-22E
85L
1
0
K
CHA
NG
E
TO
3
K
3
N
et
U
49_1
N
et
T
R
16_C
N
et
L
D
54_2
N
et
C
342_1
N
et
C
344_1
N
et
R
400_2
N
et
R
408_2
N
et
C
332_2
N
et
C
N
6_16
DS
P
JP
1
P
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
CN2
Z-
DS
P
GND
+V
C
C
-V
C
C
N
et
C
342_1
N
et
C
344_1
N
et
T
R
16_C
+5
V
N
et
C
N
6_16
N
et
U
49_1
N
et
C
343_1
P
GND
DGND
N
et
L
D
54_2
N
et
C
332_2
N
et
R
408_2
N
et
R
400_2
1
2
3
4
5
6
7
8
9
10
11
12
CN3
2.0-
12P
(T
O
A
M
X
-220F
X
P
U
1)
AL
T
3
-L
AL
T
4
-R
M
A
IN
-R
-2
M
A
IN
-R
-3
M
A
IN
-L
-2
M
A
IN
-L
-3
EF
XRTN-
R
EF
XRTN-
L
EFXRT
N
-L
EFXRT
N
-R
D8 RL
S
4148
D5
RL
S
4148
D7
RL
S
4148
D6 RL
S
4148
D3
RL
S
4148
D4
RL
S
4148
A
M
X
-220F
X
M
N
1-
1
A
M
X
-220F
X
M
N
1-
1.S
C
H
V
R
97A
W50K
V
R
97B
W50K
C243
47u
/25V
C244
47u
/25V
+V
C
C
-V
C
C
+5
V
+V
C
C
-V
C
C
+5
V
GND
DGND
P
GND
PH
PW
R
GND
DGND
PGND
F
OOTS
W
ITCH-1
a
AL
T
3
-L
AL
T
4
-R
F
OOT
S
W
IT
C
H
-1
a
-30D
B
-L
-20D
B
-L
-10D
B
-L
-7
D
B
-L
-4
D
B
-L
-2
D
B
-L
0D
B
-L
+
2
DB-
L
+
4
DB-
L
+
7
DB-
L
+
1
0
DB-
L
+
1
8
DB-
L
+
1
8
DB-
R
+
1
0
DB-
R
+
7
DB-
R
+
4
DB-
R
+
2
DB-
R
0D
B
-R
-2
D
B
-R
-4
D
B
-R
-7
D
B
-R
-10D
B
-R
-20D
B
-R
-30D
B
-R
N
et
U
15_9
N
et
U
15_11
N
et
U
15_11
+
18D
B
-R
+
10D
B
-R
+7
D
B
-R
+4
D
B
-R
+2
D
B
-R
0
DB-
R
-2
DB-
R
-4
DB-
R
-7
DB-
R
-1
0
DB-
R
-2
0
DB-
R
-3
0
DB-
R
+V
C
C
PGND
N
et
U
15_9
+
18D
B
-L
+
10D
B
-L
+7
D
B
-L
+4
D
B
-L
+2
D
B
-L
0
DB-
L
-2
D
B
-L
-4
D
B
-L
-7
D
B
-L
-10D
B
-L
-20D
B
-L
-30D
B
-L
+V
C
C
PGND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
CN8
CON1
7
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
CN9
CON1
7
N
et
C
343_1
N
et
U
17_8
N
et
U
17_4
N
et
U
17_8
N
et
U
17_4
N
et
U
17_8
N
et
U
17_4
A
UX-2
A
UX-1
AL
T
-4
AL
T
-3
RIGHT-BUS
LEF
T
-BUS
LEFT
-B
U
S
RI
GHT
-BUS
+V
C
C
AL
T
-3
AL
T
-4
-V
C
C
AU
X
-1
AU
X
-2
AF
L
-L
SO
LO
(P
F
L
)
SO
LO
(P
FL)
A
FL-
R
AF
L
-R
A
FL-
L
(T
O
A
M
X
-220F
X
M
N2)
CR-
A
CR-
A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
CN4
2.0-
16P
LOGIC
L
OGI
C
(A
LT-4)
R63
22K
R64
22K
R224
22K
DGND
R223
22K
R352
22K
R351
22K
R353
5K1
R354
5K1
R356
5K1
R355
5K1
5
6
7
U13B
4580M
R316
22K
C12
22P
C69
47u
/25V
A
FL-
L
R144 20K
5
4
6
S
W
12B
P
S
-42E
85L
5
6
7
U14B
4580M
R315
22K
C24
22P
C70
47u
/25V
A
FL-
R
R145
20K
8
7
9
S
W
12C
P
S
-42E
85L
SO
LO
(P
FL)
PFL-
IN
-L
PFL-
IN
-R
3
2
1
U13A
4580M
R137
6K2
C11
22P
C43
47u
/25V
PF
L
-I
N
-R
PF
L
-I
N
-L
R138
20K
SO
LO
(P
F
L
)
AF
L
-L
AF
L
-R
**S
W1
2
:S
O
L
O
M
O
D
E
Tit
e
l
Si
z
e
F
ile
:
Da
te
:
D
raw
n By
:
Sheet
Re
v
is
io
n
M
odel
N
o
:
WE
N
X
IA
N
G
AMX-220MKII/220FX MKII SCHEMATIC DIAGRAM
AMX-220MKII/220FX MKII
M
N
1
VER
0
40828
AMX-220MKII/220FX MKII
M
N
1
.Sch
26-
O
ct-
2004
2
1o
f
5
6
7
U9B
4580M
3
2
1
U8A
4580M
5
6
7
U8B
4580M
8
4
U9C
4580M
8
4
U8C
4580M
R434
10K
R435
10K
R436
10K
C248
100n
C249
100n
C250
100n
C251
100n
C245
22P
C246 22P
C247
22P
R431
10K
R432
10K
R433
10K
--- 7 ---
Summary of Contents for AMX-220FX
Page 12: ...For AMX 220FX MKII only 10...
Page 13: ...PCB 313123 2 Top Overlay 5 PCB Layout 11...
Page 14: ...AMX 220MKII 220FX MKIIPU1 Top Overlay AMX 220MKII 220FX MKII PU1 TopLayer 12...
Page 15: ...AMX 220MKII 220FX MKII PU1Bottom Overlay AMX 220MKII 220FX MKII PU1 Bottom Layer 13...
Page 16: ...AMX 220MKII 220FX MKII PU2 Top Overlay AMX 220MKII 220FX MKII PU2 TOP Layer 14...
Page 17: ...AMX 220MKII 220FX MKII PU2 Bottom overlay AMX 220MKII 220FX MKII PU2 Bottom Layer 15...
Page 18: ...AMX 220MKII 220FX MKII MN1 Top overlay AMX 220MKII 220FX MKII MN1 TOP Layer 16...
Page 19: ...AMX 220MKII 220FXMKII MN1 Bottom Overlay AMX 220MKII 220FX MKII MN1 Bottom Layer 17...
Page 20: ...AMX 220MKII 220FX MKII MN2 Top overlay AMX 220MKII 220FX MKII MN2TOP Layer 18...
Page 21: ...AMX 220MKII 220FX MKII MN2 Bottom Overlay AMX 220MKII 220FX MKII MN2Bottom Layer 19...
Page 22: ...12VMETER Top overlay 12VMETER Top Layer 12VMETER Bottom Layer 12VMETER Top overlay 20...
Page 23: ...DSP FOr AMX 220FXMKII only 21...
Page 25: ...MODEL No AMX 220 MKII 7 Exploded Views Mechanical Parts List 23...
Page 26: ...MODEL No AMX 220FX MKII 24...