Alto PM-12-SCH Schematic
1110987654321
12
MID
(FREQ)
PHANTOM
POWER
+48V
CH1
MIC IN
CH1
D
LINE IN
MIC GAIN:0~60dB
LINE IN TRIM:+15dB~-45dB
INSERT
2
3
1
3c
R
4d
RN
2b
TN
1a
T
5e
S
CH2-CH8 IDENTICAL TO CH1
GAIN
(TRIM)
+
-
75Hz
HI PASS
SG/OL
-20dB=SG(FLICKER)
+15dB=OL(GLOW)
LO
3-BAND EQ
+/-15db
HI
ASSIGN
FADER
12K100Hz-8kHz80
MUTE
PAN
LEFT-BUS
RIGHT-BUS
SUB1
SUB2
SUB3
SOLO LED
SOLO
()
ON
POST
PRE
AUX4
AUX1
AUX2
AUX3
SUB4
AFL-L
AFL-R
SOLO(PFL)
AUX1
AUX2
AUX3
LEFT-BUS
RIGHT-BUS
AUX1
AUX2
AFL-L
AFL-R
SOLO(PFL)
EFX SEND
AUX3
AUX4
LOGIC
CTRL/L
CTRL/R
SUB1
SUB2
SUB3
SUB4
AUX1
AFL-L
AFL-R
SOLO(PFL)
SOLO
()
ON
AUX4
AFL-L
AFL-R
SOLO(PFL)
DFX SEND
SOLO
()
ON
LEFT-BUS
RIGHT-BUS
AUX SEND1
LEVEL
(AUX SEND 2/3 IDENTICAL)
AUX SEND 4
LEVEL
MAIN MIX
LEVEL
MONO LEVEL
+4dB/MIC
+4dB/MIC
AUX4
-20dB=SG(FLICKER)
+15dB=OL(GLOW)
SG/OL
SOLO LED
AUX1
AUX RETURN
SOLO
SOLO
()
AUX RTN4
ASSIGN TO
()
ON
LO M-H HIL-M
C
LEFT(MONO)
RIGHT
STEREO INPUT CHANNELS (CH9-10)
STEREO AUX RTN1
LEFT(MONO)
RIGHT
STEREO AUX RTN2
B
LEFT(MONO)
RIGHT
STEREO AUX RTN3
LEFT(MONO)
RIGHT
STEREO AUX RTN4
LEFT(MONO)
RIGHT
A
DFX OUT
1 2 3 4 5 6 7 8 9 10 11 12
3c
R
4d
RN
2b
TN
1a
T
5e
S
3c
R
4d
RN
2b
TN
1a
T
5e
S
CH11-12 IDENTICAL TO CH9-10
3c
R
4d
RN
2b
TN
1a
T
5e
S
3c
R
4d
RN
2b
TN
1a
T
5e
S
3c
R
4d
RN
2b
TN
1a
T
5e
S
3c
R
4d
RN
2b
TN
1a
T
5e
S
3c
R
4d
RN
2b
TN
1a
T
5e
S
3c
R
4d
RN
2b
TN
1a
T
5e
S
3c
R
4d
RN
2b
TN
1a
T
5e
S
3c
R
4d
RN
2b
TN
1a
T
5e
S
R
T
S
-
+
-
+
PRESETS
VARIATIONS
MUTE
DSP FOOTSWITCH
+
+
+
+
+
+
+
+
FX OUT L
FX OUT R
4-BAND EQ
4-BAND EQ
LEVEL
LEVEL
LEVEL
LEVEL
DSP BOARD
3K
+/-15db
+/-15db
DFX TO
MONITOR
12K50080
12K50080 3K
DFX TO
MONITOR
MUTE
FADER
POST
PRE
ASSIGN TO
C-R/PHONES
AUX3
AUX4
DFX RETURN TO
AUX1
AUX2
BALANCE
AUX2
SOLO LED
SOLO
ON
ASSIGN
AFL-L
AFL-R
SOLO(PFL)
LEFT-BUS
RIGHT-BUS
SUB1
SUB2
SUB3
SUB4
AUX1
AUX2
AUX3
AUX4
LEFT-BUS
RIGHT-BUS
AUX1
AUX2
LEFT-BUS
RIGHT-BUS
AFL-L
AFL-R
SOLO(PFL)
LEFT-BUS
CTRL-R-L
RIGHT-BUS
CTRL-R-R
LEFT-BUS
RIGHT-BUS
SUB1
SUB2
SUB3
SUB4
DFX SEND
LIMITER
EQ ON
GEQ
GEQ
2TK
TAPE IN
LEFT-BUS
LEFT
2TK TO MAIN
RIGHT-BUS
RIGHT
2TK TO MAIN
SUB1
SUB1
LEFT-BUS
RIGHT-BUS
CONTROL ROOM SOURCE
CTRL-R-L
CTRL-R-R
SUB1 TO MIX
2TK
FROM SUB2
MAIN MIX
FROM SUB3
FROM SUB4
LEVEL
SUBMIX 2 3 4 IDE NTICAL TO SUB1
SUB1/2
SUB3/4
IDENTICAL TO SUB1 INSERTSUB INSERT 2 3 4
SOLO CTRL
AFL-L
AFL-R
SOLO(PFL)
LEFT-BUS
RIGHT-BUS
AUX1
AUX2
AFL-L
AFL-R
SOLO(PFL)
AUX3
AUX4
DFX SEND
CTRL/L
CTRL/R
LOGIC
SUB1
SUB2
SUB3
SUB4
AFL L
AFL R
SOLO(PFL)
PFL LED
(LEVEL SET)
SOLO MODE
()
AFL
()
PFL
PHONES
LEVEL
CTRL ROOM
LEVEL
R
RN
TN
T
S
R
RN
TN
T
S
R
RN
TN
T
S
L AMP
R AMP
RN
TN
T
S
L
R
RN
TN
T
S
R
RN
TN
SOLO ACTIVE
LEFT METER
RIGHT METER
CTRL ROOM OUTPUT
AUX SEND
3c
4d
2b
AUX SEND 1/2/3
1a
5e
AUX/DFX SEND
3c
4d
2b
AUX SEND 4
1a
5e
MONO OUTPUT
3c
4d
2b
1a
5e
MAIN OUT
R
T
S
2
3
1
MAIN MIX LEFT
R
T
S
2
3
1
MAIN MIX RIGHT
3c
4d
2b
1a
5e
MAIN INSERT
3c
4d
2b
1a
5e
MAIN INSERT
LEFT
2TK
RIGHT
SUB OUT
R
T
SUB1
S
3c
4d
2b
SUB1 INSERT
1a
T
5e
S
PHONES OUTPUT
R
T
PHONE A
S
R
T
PHONE B
S
R
T
LEFT
S
R
T
RIGHT
S
L SPEAKER OUT
R SPEAKER OUT
TAPE OUT
Titel
Size
Date:
File:
ALTO PM-12
BLOCK DIAGRAM
ALTO MIXING CONSOLE
PM-12 BLOCK DIAGRAM
A3
12-Jan-2004
PM12MAP.Sch
Sheet
Drawn By:
D
C
B
A
RevisionModel No:
VER031126
11of
BAO.
7654321
8
PH PWR
R1
6K81
R46
1
X1
JY-5042-030G
X2
JY-6351G-02-250
X3
JY-5042-030G
X4
JY-6351G-02-250
3
2
4
3c
4d
2b
1a
5e
1
3
2
4
3c
4d
2b
1a
5e
MIC 1
D
LINE IN1
MIC GAIN=0~-60dB
LINE IN GAIN=-15~-40dB
MIC 2
C
LINE IN2
4R7
R47
4R7
R
RN
TN
T
S
C27
22u/35V
R3
6K81
R48
4R7
R49
4R7
R
RN
TN
T
S
C29
22u/35V
C21
330P
C26
22u/35V
PH PWR
C22
330P
C28
22u/35V
R2
6K81
C12
47u/63V
6K34
R94
6K34
R4
6K81
C14
47u/63V
6K34
R96
6K34
R93
1K50
R95
1K50
R101
R103
C11
47u/63V
C13
47u/63V
-VCC
-VCC
C1
10N
R61
20K
C34
1n
2K49
C2
10N
R62
20K
C35
1n
2K49
R12
R14
+VCC
-VCC
+VCC
-VCC
R11
2K49
TR1
R83
470R
TR16
A1316
R102
1K50
R13
2K49
TR2
R84
470R
TR17
A1316
R104
1K50
+VCC
C5
10N
HR
R87
470R
TR20
A1316
C38
1n
-VCC
+VCC
C6
10N
HR
R88
470R
TR21
A1316
C39
1n
-VCC
TR6
HR
R23
2K49
TR8
HR
R28
2K49
R20
2K49
R25
2K49
+VCC
C44
1000u/10V
VR1
O10K
R54
4R7
+VCC
C45
1000u/10V
VR2
O10K
R55
4R7
BAS316
BAS316
R19
2K49
D1
R24
2K49
D2
+VCC
-VCC
+VCC
-VCC
R21
2K49
TR5
HR
R22
2K49
R26
2K49
TR7
HR
R27
2K49
3
2
C51
22P
5
6
3
2
C55
22P
5
6
U1A
4580M
C52
22P
U3A
4580M
C56
22P
R126
5K11
R130
5K11
R125
5K11
U1B
4580M
R129
5K11
U3B
4580M
1
7
1
7
C49
22P
R123
5K11
R143
10K0
R144
10K0
C53
22P
R127
5K11
R145
10K0
R146
10K0
C88
0.22u/50V
3
2
R153
1K3
C86
0.22u/50V
R157
62K
3
2
R154
1K3
R158
62K
U2A
4580M
C50
22P
5K11
C85
0.22u/50V
6
5
U4A
4580M
C54
22P
5K11
C87
0.22u/50V
6
5
R124
R128
1
U2B
4580M
1
U4B
4580M
C99
47u/25V
C93
0.22u/50V
R199
C101
47u/25V
C94
0.22u/50V
R200
6K8
R65
20K
6K8
47u/25V
7
R67
20K
47u/25V
7
C100
C102
20K
R66
R68
20K
LO CUT
SW1A
PS-22E85L
SW1B
PS-22E85L
LO CUT
SW2A
PS-22E85L
SW2B
PS-22E85L
INS1
R82
120R
INS2
R75
120R
PRECH1
INSERT1
3c
R
4d
RN
2b
TN
1a
T
5e
S
JY-6351G-02-250
PRECH2
INSERT2
3c
R
4d
RN
2b
TN
1a
T
5e
S
JY-6351G-02-250
PRECH1
X9
PRECH2
X10
C121
C120
C124
C125
100N
100N
100N
C123
100N
C132
100N
100N
C133
100N
+VCC
-VCC
C122
100N
U1 U2 U3 U4 U5 U6 U7 U8
C126
100N
C134
100N
C127
100N
C135
100N
C128
100N
C136
100N
C129
100N
C137
100N
U1C
4580M
PM12PU1 (1/2)
D
84
U2C
4580M
U3C
4580M
PRECH1
+VCC
-VCC
PRECH2
84
U4C
4580M
+VCC
-VCC
84
84
84
U5C
4580M
84
U6C
4580M
(TO PM12MN1)
2.5-12P
GND
GND
GND
GND
GND
GND
U7C
4580M
CN1
12
11
10
9
8
7
6
5
4
3
2
1
84
84
U8C
4580M
C
PH PWR
R5
6K81
R50
1
X5
JY-5042-030G
X6
JY-6351G-02-250
3
2
4
3c
4d
2b
1a
5e
MIC 3
B
LINE IN3
4R7
R51
4R7
R
RN
TN
T
S
C31
22u/35V
6K81
R52
1
MIC 4
LINE IN4
A
3
2
4
X7
JY-5042-030G
3c
4d
2b
1a
5e
X8
JY-6351G-02-250
1 2 3 4 5 6 78
4R7
R53
4R7
R
RN
TN
T
S
C33
22u/35V
C23
330P
C30
22u/35V
PH PWR
R7
C24
330P
C32
22u/35V
R6
6K81
C16
47u/63V
6K34
R98
6K34
R8
6K81
C18
47u/63V
6K34
R100
6K34
R97
1K50
R99
1K50
R105
R107
C15
47u/63V
C17
47u/63V
-VCC
-VCC
C3
10N
R63
20K
C36
1n
R16
2K49
C4
10N
R64
20K
C37
1n
R18
2K49
+VCC
-VCC
+VCC
-VCC
R15
2K49
TR3
R85
470R
TR18
A1316
R106
1K50
R17
2K49
TR4
R86
470R
TR19
A1316
R108
1K50
+VCC
C7
10N
HR
R89
470R
TR22
A1316
C40
1n
-VCC
+VCC
C8
10N
HR
R90
470R
TR23
A1316
C41
1n
-VCC
R30
2K49
TR10
HR
R33
2K49
R35
2K49
TR12
HR
R38
2K49
+VCC
C46
1000u/10V
VR3
O10K
R56
4R7
+VCC
C47
1000u/10V
VR4
O10K
R57
4R7
BAS316
BAS316
R29
2K49
D3
R34
2K49
D4
+VCC
-VCC
+VCC
-VCC
R31
2K49
TR9
HR
R32
2K49
R36
2K49
TR11
HR
R37
2K49
3
2
C59
22P
5
6
3
2
C63
22P
5
6
U5A
4580M
C60
22P
U7A
4580M
C64
22P
R134
5K11
R138
5K11
R133
5K11
U5B
4580M
R137
5K11
U7B
4580M
1
7
1
7
C57
22P
R131
5K11
R147
10K0
R148
10K0
C90
0.22u/50V
C61
22P
R135
5K11
R149
10K0
R150
10K0
C92
0.22u/50V
R155
1K3
R159
62K
R156
1K3
R160
62K
3
2
3
2
U6A
4580M
C58
22P
5K11
C89
0.22u/50V
6
5
U8A
4580M
C62
22P
5K11
C91
0.22u/50V
6
5
R132
R136
1
U6B
4580M
1
U8B
4580M
C103
47u/25V
C95
0.22u/50V
R201
6K8
C105
47u/25V
C96
0.22u/50V
R202
6K8
R69
20K
47u/25V
7
R71
20K
47u/25V
7
C104
C106
20K
20K
R70
R72
LO CUT
SW3A
PS-22E85L
SW3B
PS-22E85L
LO CUT
SW4A
PS-22E85L
SW4B
PS-22E85L
INS3
R78
120R
INS4
R80
120R
PRECH3
INSERT3
3c
R
4d
RN
2b
TN
1a
T
5e
S
JY-6351G-02-250
PRECH4
INSERT4
3c
R
4d
RN
2b
TN
1a
T
5e
S
JY-6351G-02-250
PRECH3
X11
PRECH4
X12
PRECH3
+VCC
PRECH4
Titel
INPUT STAGE ( CH1-CH4)
PCB# PM12PU1.PCB
Size
A2
6-Jan-2004
Date:
File:
PM12PU1.Sch
+VCC
-VCC
-VCC
CH4-8 & DIRECT OUTPUT
PM12PU1.S01
ALTO PM12
(TO PM12MN1)
CN2
2.5-12P
12
GND
11
10
GND
9
8
GND
7
GND
6
5
GND
4
3
GND
2
1
Sheet
Drawn By:
RevisionModel No:
VER040101
21 of
BAO.
B
A
7654321
8
PH PWR
R73
6K81
R9
1
X28
X29
JY-6351G-02-250
X30
X31
JY-6351G-02-250
3
2
4
3c
4d
2b
1a
5e
1
3
2
4
3c
4d
2b
1a
5e
MIC 5
D
JY-5042-030G
LINE IN5
MIC GAIN=-10~-60dB
LINE IN GAIN=+10~-40dB
MIC 6
JY-5042-030G
C
LINE IN6
4R7
R10
4R7
R
RN
TN
T
S
C9
22u/35V
R91
6K81
R40
4R7
R42
4R7
R
RN
TN
T
S
C19
22u/35V
C69
330P
C10
22u/35V
PH PWR
C70
330P
C20
22u/35V
R76
6K81
C113
47u/63V
R141
6K34
R109
6K81
C115
47u/63V
6K34
R151
6K34
R142
6K34
R213
1K50
R152
R215
1K50
C114
47u/63V
C168
47u/63V
-VCC
-VCC
C173
10N
R221
20K
C181
1n
R233
2K49
C175
10N
R224
20K
C183
1n
R240
2K49
+VCC
-VCC
+VCC
-VCC
R234
2K49
TR29
HR
R261
470R
TR13
A1316
R214
1K50
R241
2K49
TR32
HR
R263
470R
TR15
A1316
R216
1K50
C174
10N
R262
470R
TR14
A1316
C177
10N
470R
TR24
A1316
C182
1n
R264
C184
1n
+VCC
-VCC
+VCC
-VCC
R236
2K49
TR30
HR
R235
2K49
R244
2K49
TR33
HR
R243
2K49
+VCC
C189
1000u/10V
VR5
O10K
R39
4R7
+VCC
C190
1000u/10V
VR6
O10K
R43
4R7
R237
2K49
D5
BAS316
R247
2K49
D6
BAS316
+VCC
-VCC
+VCC
-VCC
R238
2K49
TR31
HR
R239
2K49
R249
2K49
TR34
HR
R248
2K49
3
2
5
6
3
2
5
6
C193
22P
C197
22P
U16A
4580M
C194
22P
U18A
4580M
C198
22P
R269
5K11
R273
5K11
R270
5K11
U16B
4580M
R274
5K11
U18B
4580M
1
7
1
7
C195
22P
R271
5K11
R285
10K0
R286
10K0
C199
22P
R275
5K11
R288
10K0
R287
10K0
C212
0.22u/50V
3
2
0.22u/50V
R297
1K3
C209
0.22u/50V
R293
62K
3
2
R298
1K3
R294
62K
U17A
4580M
C210
6
5
U19A
4580M
5K11
C213
0.22u/50V
6
5
C196
22P
R272
5K11
C201
22P
R276
1
U17B
4580M
1
U19B
4580M
C221
47u/25V
R222
C211
0.22u/50V
R301
6K8
7
C223
47u/25V
R225
C214
0.22u/50V
R302
6K8
7
20K
C222
47u/25V
20K
C225
47u/25V
R223
20K
R226
20K
LO CUT
SW9A
PS-22E85L
SW9B
PS-22E85L
LO CUT
SW10A
PS-22E85L
SW10B
PS-22E85L
INS5
R74
120R
INS6
R77
120R
PRECH5
INSERT5
3c
R
4d
RN
2b
TN
1a
T
5e
S
JY-6351G-02-250
PRECH6
INSERT6
3c
R
4d
RN
2b
TN
1a
T
5e
S
JY-6351G-02-250
PRECH5
X13
PRECH6
X14
C231
C229
100N
100N
+VCC
-VCC
C230
100N
C232
100N
U16 U17U18U19U20U21
C233
100N
C234
100N
C235
100N
C236
100N
C237
100N
C238
100N
C239
100N
C240
100N
C241
100N
C242
100N
U22
C243
100N
C244
100N
U23
84
U16C
4580M
84
U17C
4580M
84
U18C
4580M
PRECH5
+VCC
-VCC
PRECH6
84
U19C
4580M
PM12PU1 (2/2)
84
84
U21C
+VCC
-VCC
U20C
4580M
4580M
4580M
(TO PM12MN1)
CN3
2.5-12P
12
GND
11
10
GND
9
8
GND
7
GND
6
5
GND
4
3
GND
2
1
U22C
84
84
U23C
4580M
D
C
PH PWR
R92
6K81
R41
1
X32
X33
JY-6351G-02-250
X34
X35
JY-6351G-02-250
3
2
4
3c
4d
2b
1a
5e
1
3
2
4
3c
4d
2b
1a
5e
MIC 7
JY-5042-030G
B
LINE IN7
MIC 8
JY-5042-030G
A
LINE IN8
1 2 3 4 5 6 78
4R7
R45
4R7
R
RN
TN
T
S
C25
22u/35V
R139
6K81
R44
4R7
R58
4R7
R
RN
TN
T
S
C43
22u/35V
C75
330P
C42
22u/35V
PH PWR
C76
330P
C48
22u/35V
R110
6K81
C170
47u/63V
6K34
R172
6K34
R140
6K81
C171
47u/63V
6K34
R181
6K34
R175
R217
1K50
R182
R219
1K50
C169
47u/63V
C172
47u/63V
-VCC
-VCC
C176
10N
R227
20K
C185
1n
R251
2K49
C179
10N
R228
20K
C187
1n
R258
2K49
+VCC
-VCC
+VCC
-VCC
R242
2K49
TR35
HR
R265
470R
TR25
A1316
R218
1K50
R252
2K49
TR36
HR
R266
470R
TR27
A1316
R220
1K50
C178
10N
R267
470R
TR26
A1316
C180
10N
R268
470R
TR28
A1316
C186
1n
C188
1n
+VCC
-VCC
+VCC
-VCC
R245
2K49
TR37
HR
R253
2K49
R254
2K49
TR38
HR
R259
2K49
+VCC
C191
1000u/10V
VR7
O10K
R59
4R7
+VCC
C192
1000u/10V
VR8
O10K
R60
4R7
R246
2K49
D7
BAS316
R255
2K49
D8
BAS316
+VCC
-VCC
+VCC
-VCC
R250
2K49
TR39
HR
R256
2K49
R257
2K49
TR40
HR
R260
2K49
3
2
5
6
3
2
5
6
C202
22P
C203
22P
U20A
4580M
C204
22P
U22A
4580M
C208
22P
R277
5K11
R284
5K11
R279
5K11
U20B
4580M
R278
5K11
U22B
4580M
1
7
1
7
C200
22P
R280
5K11
R290
10K0
R291
10K0
C215
0.22u/50V
C205
22P
R281
5K11
R289
10K0
R292
10K0
C218
0.22u/50V
R299
1K3
R295
62K
R300
1K3
R296
62K
3
2
3
2
U21A
4580M
5K11
C216
0.22u/50V
6
5
U23A
4580M
5K11
C219
0.22u/50V
6
5
C206
22P
R282
C207
22P
R283
1
U21B
4580M
1
U23B
4580M
C224
47u/25V
C217
0.22u/50V
R303
6K8
7
C226
47u/25V
C220
0.22u/50V
R304
6K8
7
R230
20K
C227
47u/25V
R229
20K
C228
47u/25V
R231
20K
R232
20K
LO CUT
SW11A
PS-22E85L
SW11B
PS-22E85L
LO CUT
SW12A
PS-22E85L
SW12B
PS-22E85L
INS7
R79
120R
INS8
R81
120R
PRECH7
INSERT7
3c
R
4d
RN
2b
TN
1a
T
5e
S
JY-6351G-02-250
PRECH8
INSERT8
3c
R
4d
RN
2b
TN
1a
T
5e
S
JY-6351G-02-250
PRECH7
X15
PRECH8
X16
PRECH7
+VCC
-VCC
PRECH8
Titel
INPUT STAGE (CH5-CH8)
PCB# PM12PU1.PCB
Size
A2
Date:
File:
+VCC
-VCC
PH PWR
ALTO PM12
6-Jan-2004
PM12PU1.S01
+VCC
-VCC
(TO PM12MN1)
CN4
2.5-12P
12
GND
11
10
GND
9
8
GND
7
GND
6
5
GND
4
3
GND
2
1
(TO PM12PU2)
CN5
2.5-4P
1
2
3
4
Sheet
Drawn By:
RevisionModel No:
VER040101
22 of
BAO.
B
A
7654321
22K
22K
8
PM12PU2
R29
120R
R30
120R
R115
120R
R116
120R
R117
120R
R118
120R
R32
120R
R31
120R
3c
4d
2b
1a
5e
3c
4d
2b
1a
5e
84
U11C
U13C
4580M
4580M
C107
47u/25V
84
U25C
BA15218N
C108
47u/25V
CN7
CN3.9-4P
1
2
3
4
3c
R
4d
RN
2b
TN
1a
T
5e
S
JY-6351G-02-250
3c
R
4d
RN
2b
TN
1a
T
5e
S
JY-6351G-02-250
CTRL ROOM OUT
3c
4d
2b
1a
5e
X27
JY-6351G-02-250
3c
4d
2b
1a
5e
X28
JY-6351G-02-250
MONO
3c
4d
RN
2b
TN
1a
T
5e
S
X5
JY-6351G-02-250
PHONES1
X3
JY-6351G-02-250
PHONES2
X4
JY-6351G-02-250
84
84
U1C
4580M
C140
100N
C141
100N
RevisionModel No:
Sheet
Drawn By:
SUB OUT4
X36
SUB4 INSERT
X40
LEFT
RIGHT
84
U26C
4580M
VER040101
22 of
BAO.
D
C
B
A
R205
2K
2
3
R173
10K0
(LEVEL +4dBu/-10dBv)
R206
2K
6
5
R176
10K0
(LEVEL +4dBu/-10dBv)
R209
2K
2
3
R186
10K0
(LEVEL +4dBu/-10dBv)
R210
2K
6
5
R190
10K0
(LEVEL +4dBu/-10dBv)
X19
JY-6351G-02-250
X20
JY-6351G-02-250
X21
JY-6351G-02-250
X22
JY-6351G-02-250
C71
22P
C77
22P
C79
22P
C72
22P
R111
120R
R171
10K0
U11A
4580M
1
C109
47u/25V
R77
PRECH9
20K
AUX-SEND1
AUX-SEND2
R112
120R
R113
120R
120R
R174
C110
10K0
U11B
4580M
R184
10K0
U13A
4580M
R188
10K0
4580M
U13B
7
1
7
47u/25V
C116
47u/25V
C117
47u/25V
R79
R78
20K
R80
20K
20K
PRECH10
AUX-SEND3
AUX-SEND4
PRECH11
PRECH12
R1
120R
R8
120R
R4
120R
120R
(TO PM12MN2)
3c
4d
2b
1a
AUX-RTN3-L
5e
3c
4d
2b
1a
AUX-RTN3-R
5e
3c
4d
2b
DFXOUT-L
1a
AUX-RTN4-L
5e
C7
470u/25V
3c
4d
2b
DFXOUT-R
1a
AUX-RTN4-R
5e
L1
1uH
PH PWR +5VD
C8
470u/25V
+VCC-VCC
L2
1uH
PGNDGND
DGND
CN1
2.5-8P
1
2
3
4
5
6
7
8
R114
R9
MAIN-R-2
MAIN-R-3
MAIN-L-2
MAIN-L-3
PS-42E85L
PS-42E85L
CN8
2.5-8P
1
2
3
4
5
6
7
8
SW1A
P
SW1B
MAIN-L-2
MAIN-R-2
3c
R
4d
RN
2b
TN
1a
T
5e
S
X23
JY-6351G-02-250
3c
R
4d
RN
2b
TN
1a
T
5e
S
X24
JY-6351G-02-250
3c
R
4d
RN
2b
TN
1a
T
5e
S
X25
JY-6351G-02-250
3c
R
4d
RN
2b
TN
1a
T
5e
S
X26
JY-6351G-02-250
R14
120R
1
2
3
R15
120R
R13
120R
4
5
6
R23
5K1
R19
120R
C164
10u/63V
LIMITER
C165
10u/63V
AUX SEND1
AUX SEND2
AUX SEND3
AUX SEND4
R21
5K1
R348
6K8
R349
6K8
P
SW1C
PS-42E85L
P
SW1D
PS-42E85L
C166
680P
D1
5V1 300MW
5V1 300MW
R350
10K
2
3
C167
680P
D3
5V1 300MW
5V1 300MW
R351
10K
6
5
7
8
9
10
11
12
D2
U26A
4580M
D4
R16
120R
R17
120R
R18
120R
R24 5K1
R20
120R
U26B
4580M
R10
120R
SUB1-L
R12
120R
R6
120R
R
RN
TN
T
R7
S
120R
R5
120R
R
RN
TN
T
R11
S
120R
R22
5K1
1
CN9
1
2
3
CON3
7
SUB OUT1
3c
R
4d
RN
2b
TN
1a
T
5e
S
JY-6351G-02-250
SUB1 INSERT
3c
R
4d
RN
2b
TN
1a
T
5e
S
JY-6351G-02-250
3c
4d
2b
1a
5e
X32
JY-6351G-02-250
3c
4d
2b
1a
5e
X31
JY-6351G-02-250
2
3
1
X30
JY-5030-030G
2
3
1
X29
JY-5030-030G
TAPE IN TAPE OUT
SCP6873NS3232
L(WHITE)
R(RED)
3
PRECH9
PRECH10
+VCC
-VCC
PRECH11
PRECH12
AUX-RTN1-L
AUX-RTN1-R
AUX-RTN2-L
AUX-RTN2-R
AUX-RTN3-L
AUX-RTN3-R
AUX-RTN4-L
AUX-RTN4-R
X33
X37
MAIN R (UNBAL)
MAIN L (UNBAL)
MAIN OUT
(BALANCED)
RIGHT
LEFT
X14
1 4
2 5
6
PRECH9
PRECH10
PRECH11
PRECH12
AUX-RTN1-L
AUX-RTN1-R
AUX-RTN2-L
AUX-RTN2-R
AUX-RTN3-L
AUX-RTN3-R
AUX-RTN4-L
AUX-RTN4-R
R25
120R
SUB2-R
R26
120R
MAIN-RTN-L 3c
MAIN-INS-L
R2
120R
MAIN-RTN-R 3c
MAIN-INS-R
R3
120R
MAIN-L-2
R203
1K
MAIN-R-2
R204
1K
2TK-IN-L
2TK-IN-R
MAIN-INS-L
MAIN-INS-R
FOOTSW
DFXOUT-L
DFXOUT-R
CN2
1
2
3
4
5
6
7
8
CN2.0-8P
(TO PM12MN2)
CN3
1
2
3
4
5
6
7
8
CN2.0-8P
SUB OUT2
3c
R
4d
RN
2b
TN
1a
T
5e
S
JY-6351G-02-250
SUB2 INSERT
3c
R
4d
RN
2b
TN
1a
T
5e
S
JY-6351G-02-250
R
4d
RN
2b
TN
1a
T
5e
S
JY-6351G-02-250
R
4d
RN
2b
TN
1a
T
5e
S
JY-6351G-02-250
MAIN-L-2
MAIN-R-2
MAIN-INS-L
MAIN-INS-R
FOOTSW
DFXOUT-L
DFXOUT-R
AUX-SEND1
AUX-SEND2
AUX-SEND3
DFX SEND
CTRL-R-L
CTRL-R-R
PHONES-R
PHONES-L
SUB1-L
SUB2-R
SUB3-L
SUB4-R
2TK-IN-L
2TK-IN-R
MAIN-RTN-L
MAIN-RTN-R
MAIN-L-2
MAIN-L-3
MAIN-R-2
MAIN-R-3
X34
X38
MAIN INSERT L
X6
MAIN INSERT R
X7
R36
C1
22K
47u/25V
R37
22K
PHONES-R
PHONES-L
(TO PM12MN2)
CN4
CN2.0-5P
AUX-SEND1
AUX-SEND2
AUX-SEND3
AUX-SEND4
CTRL-R-L
CTRL-R-R
PHONES-R
PHONES-L
SUB1-L
SUB2-R
SUB3-L
SUB4-R
2TK-IN-L
2TK-IN-R
MAIN-RTN-L
MAIN-RTN-R
MAIN-L-2
MAIN-L-3
MAIN-R-2
MAIN-R-3
1
2
3
4
5
C97
22P
R161
10K
C98
22P
10K
SUB3-L
R162
R33
30K
2
3
6
5
R27
120R
R28
120R
DFXOUT-R
DFXOUT-L
FOOTSW
C2
47u/25V
VR1
W50K
1
U24A
BA15218N
7
U24B
BA15218N
+VCC
-VCC
(TO PM12MN2)
CN6
1
2
3
4
5
6
7
8
CN2.0-8P
(TO PM12MN2)
CN5
1
2
3
4
5
6
7
8
9
10
11
12
CN2.0-12P
SUB OUT3
3c
R
4d
RN
2b
TN
1a
T
5e
S
X35
JY-6351G-02-250
SUB3 INSERT
3c
R
4d
RN
2b
TN
1a
T
5e
S
X39
JY-6351G-02-250
DFX OUTPUT
3c
4d
2b
1a
5e
X1
JY-6351G-02-250
FOOTSWITCH
3c
4d
2b
1a
5e
X2
JY-6351G-02-250
C4
R34
22P
3K6
6
5
U1B
4580M
2
3
U25A
BA15218N
6
5
U25B
BA15218N
C142
C144
C146
100N
100N
100N
C147
C149
C151
100N
100N
100N
+VCC
-VCC
PH PWR
Titel
Size
A2
Date:
File:
SUB4-R
CTRL-R-L
CTRL-R-R
R35
36K
7
C3
47u/25V
R119
120R
1
R120
120R
R121
120R
7
R122
120R
C168
100N
C169
100N
R347
47R
84
U24C
BA15218N
R346
47R
(TO PM12PU1)
+VCC
-VCC
INPUT STAGE STEREO
PCB# PM12PU2.PCB
ALTO PM12
6-Jan-2004
PM12PU2.Sch
R163
3c
R
4d
RN
2b
LINE IN 9
LEFT(MONO)
JY-6351G-02-250
D
LINE IN 10
RIGHT
JY-6351G-02-250
LINE IN 11
LEFT(MONO)
C
LINE IN 12
RIGHT
JY-6351G-02-250
JY-6351G-02-250
B
STEREO AUX
RETURN1
LEFT 1
(MONO / MASTER)
RIGHT 1
STEREO AUX
RETURN2
LEFT 2
A
RIGHT 2
1 2 3 4 5 6 78
TN
1a
T
5e
S
X10
R
3c
4d
RN
2b
TN
1a
T
5e
S
X11
3c
R
4d
RN
2b
TN
1a
T
5e
S
X12
3c
R
4d
RN
2b
TN
1a
T
5e
S
X13
X15
JY-6351G-02-250
X16
JY-6351G-02-250
X17
JY-6351G-02-250
X18
JY-6351G-02-250
3c
4d
2b
1a
AUX-RTN1-L
5e
3c
4d
2b
1a
AUX-RTN1-R
5e
3c
4d
2b
1a
AUX-RTN2-L
5e
3c
4d
2b
1a
AUX-RTN2-R
5e
C152
100P
C153
100P
C154
100P
C155
100P
C160
100P
C161
100P
C162
100P
C163
100P
10K0
R164
10K0
C65
22P
PS-22E85L
R165
10K0
R166
10K0
C66
22P
PS-22E85L
R183
10K0
R185
10K0
C78
22P
PS-22E85L
R187
10K0
R189
10K0
C80
22P
PS-22E85L
STEREO AUX
RETURN3
LEFT 1
(MONO / MASTER)
RIGHT 1
STEREO AUX
RETURN4
LEFT 2
RIGHT 2
SW5A
SW5B
SW6A
SW6B
321
4
(TO PM12PU1)
CN1
2.0-12P
D
CH1
CH1.SCH
CH5
CH5.SCH
PRECH1
+VCC
+VCC
GND
GND
GND
GND
-VCC
-VCC
PRECH2
CH2
CH2.SCH
C
CH3
CH3.SCH
CH6
CH6.SCH
CH7
CH7.SCH
GND
GND
(TO PM12PU1)
12
11
10
9
8
7
6
5
4
3
2
1
PRECH5
+VCC
-VCC
PRECH6
+VCC
-VCC
CN2
2.0-12P
12
11
10
9
8
7
6
5
4
3
2
1
PRECH7
+VCC
-VCC
PRECH8
+VCC
-VCC
CH4
CH4.SCH
CH8
CH8.SCH
PRECH3
+VCC
-VCC
PRECH4
GND
GND
+VCC
GND
GND
-VCC
GND
GND
(TO PM12PU1)
CN3
2.0-12P
GND
GND
GND
GND
GND
GND
12
11
10
9
8
7
6
5
4
3
2
1
(TO PM12PU1)
CN4
2.0-12P
GND
GND
GND
GND
GND
GND
12
11
10
9
8
7
6
5
4
3
2
1
PM12MN1
CON4
CN6
AUX1
AUX2
AUX3
AUX4
SUB1
SUB2
SUB3
SUB4
LEFT-BUS
RIGHT-BUS
SOLO(PFL)
AFL-L
AFL-R
LOGIC
+RVCC
PGND
PGND
-RVCC
(TO PM12MN2)
1
2
3
4
CN5
1
2
3
4
5
6
7
8
9
10
11
12
13
14
CON14
D
C
PM12MN2此插座需與 連線配合
B
B
C1
47uF
C2
47uF
R1
47R
R2
47R
C3
47uF
C4
47uF
+PVCC
-PVCC
PGND
Titel
Size
Date:
File:
A1
MAIN INPUT STAGE
PCB# PM12MN1.PCB
ALTO PM12
6-Jan-2004
PM12MN1.Sch
Sheet
Drawn By:
A
RevisionModel No:
VER040101
80 of
BAO.
C18_1
100n
84
U3_1C
4580M
A
C19_1
U3_3C
4580M
100n
1 2 34
84
C19_3
100n
C18_3
100n
84
U3_5C
4580M
C19_5
100n
C18_5
100n
84
U3_7C
4580M
C19_7
100n
C18_7
100n
PGNDPGNDPGNDPGND
+RVCC
-RVCC
7654321
8
PM12MN1 (CH1)
D
C2_1
47uF
PRECH1
PRECH1
C1_1
682(M)
VR3_1A
500KC
C
R6_1
3K
R21_1
6K2
(SOLO)
SW6_1A
84
84
1
3
C13_1
100n
C14_1
100n
2
PGND
PS-42E85L
+VCC
U1_1C
4580M
B
-VCC
+RVCC
U4_1C
LM393
VR2_1
MID (FREQ=100Hz-8K)
B50K
R1_1
10K
3
2
C10_1
152(M)
VR3_1B
500KC
LD3_1
YEL
LOGIC
D1_1
BAS316
(LOGIC=2.0V or 0.5V)
C15_1
100n
84
U2_1C
4580M
C16_1
100n
C17_1
100n
C5_1
R11_1
5K1
U2_1A
4580M
R22_1
6K2
R23_1
2K2
LOGIC
22P
1
6
5
-RVCC
U1_1B
4580M
U3_1A
4580M
10K
R2_1
R29_1
100K
2
3
6.8n(M)
7
33n(M)
R31_1
C7_1
C11_1
100K
PGND PGND
PGND
R24_1
5K6
4148
D2_1
EQ HI (12K)
VR1_1
B50K
VR4_1
B50K
LO (80Hz)
PGND
1
D3_1
4148
C20_1
1uF
PGND PGND
R5_1
3K9
R3_1
10K
R33_1
PGND
10K
C8_1
6.8n(M)
C12_1
33n(M)
R25_1
5K6
R32_1
82R
R30_1
8K2
+RVCC
+RVCC
R34_1
10K
R38_1
10K
5
6
3
2
C6_1
22P
R7_1
1M
2
3
U4_1B
393
R35_1
10K
8
4
U4_1A
393
U1_1A
4580M
7
1
1
PGND
R36_1
4K7
PS-22E85L-2
C3_1
47uF
R39_1
27K
C22_1
1uF
TR3_1
7002
SW2_1B
4
6
TR1_1
C21_1
470P
HR
LEVEL
5
D4_1
4148
PGND
R8_1
5K1
VR10_1A
10KD
+RVCC
LD4_1
LED-2P
綠紅
R51_1
1K
6
5
R40_1
5K1
R26_1
3K3
LD2_1
RED
C9_1
22P
R20_1
10K
7
C4_1
U2_1B
47uF
4580M
PS-22E85L-2
SW2_1A
1
3
2
MUTE
SW6_1B
R4_1
10K
PS-42E85L
5
SW1_1A
PS-22E85L
2
SW1_1B
PS-22E85L
5
AUX1/2 PRE/POST
PGND
4
6
W50K
VR9_1
1
3
4
6
R41_1
4K7
4K7
R42_1
PAN
R16_1
5K1
R17_1
5K1
R18_1
5K1
R19_1
5K1
R9_1
5K1
R10_1
5K1
R12_1
5K1
R13_1
5K1
R14_1
5K1
R15_1
5K1
R27_1
6K8
R28_1
6K8
SW5_1A
PS-22E85L
2
SW5_1B
PS-22E85L
5
SW3_1A
PS-22E85L
2
SW3_1B
PS-22E85L
5
SW4_1A
PS-22E85L
2
SW4_1B
PS-22E85L
5
SW6_1C
PS-42E85L
8
SW6_1D
PS-42E85L
11
AUX-POST
VR7_1
W50K
AUX-PRE
VR5_1
W50K
1
3
4
6
1
3
4
6
1
3
4
6
7
9
10
12
AUX-POST
VR8_1
W50K
AUX-PRE
VR6_1
W50K
LEFT-BUS
RIGHT-BUS
SUB1
SUB2
SUB3
SUB4
AFL-L
AFL-R
SOLO(PFL)
AUX3
AUX4
AUX1
AUX2
D
C
B
A
Titel
Size
Date:
1 2 3 4 5 6 78
File:
A3
6-Jan-2004
CH1.Sch
MAIN INPUT STAGE
PCB# PM12MN1.PCB
ALTO PM12
Sheet
Drawn By:
RevisionModel No:
VER040101
81 of
BAO.
A
7654321
8
PM12MN1 (CH2)
D
C2_2
47uF
PRECH2
PRECH2
C1_2
682(M)
VR3_2A
500KC
C
R6_2
3K
R21_2
6K2
(SOLO)
SW6_2A
84
1
3
C13_2
100n
+VCC
PGND
2
PS-42E85L
U1_2C
4580M
VR2_2
MID (FREQ=100Hz-8K)
B50K
R1_2
10K
3
2
C10_2
152(M)
VR3_2B
500KC
LD3_2
YEL
LOGIC
D1_2
BAS316
(LOGIC=2.0V or 0.5V)
C15_2
100n
84
U2_2C
4580M
C5_2 22P
R11_2
5K1
U2_2A
4580M
R22_2
6K2
R23_2
2K2
LOGIC
6
5
1
-RVCC
10K
U1_2B
4580M
R2_2
6.8n(M)
7
33n(M)
C7_2
C11_2
R29_2
U3_1B
4580M
100K
6
5
R31_2
B
-VCC
+RVCC
84
U4_2C
LM393
C14_2
100n
C17_2
100n
C16_2
100n
100K
PGND PGND
PGND
R24_2
5K6
4148
D2_2
EQ HI (12K)
VR1_2
B50K
VR4_2
B50K
LO (80Hz)
PGND
7
D3_2
4148
C20_2
1uF
PGND PGND
R5_2
3K9
R3_2
10K
R33_2
PGND
10K
C8_2
6.8n(M)
C12_2
33n(M)
R25_2
5K6
R32_2
82R
R30_2
8K2
+RVCC
+RVCC
R34_2
10K
R38_2
10K
C6_2
22P
R7_2
1M
2
3
5
6
3
2
U4_2A
393
R35_2
10K
8
4
U1_2A
4580M
U4_2B
393
7
1
1
PGND
R36_2
4K7
C3_2
47uF
R39_2
C22_2
1uF
27K
TR3_2
7002
PS-22E85L-2
SW2_2B
4
6
LEVEL
+RVCC
C21_2
470P
VR10_2A
10KD
R26_2
3K3
TR1_2
HR
5
LD2_2
RED
PGND
R8_2
5K1
1
3
D4_2
4148
綠紅
R51_2
1K
6
5
R40_2
5K1
PS-22E85L-2
SW2_2A
MUTE
LD4_2
LED-2P
2
C9_2
22P
R20_2
10K
7
C4_2
U2_2B
47uF
4580M
PGND
SW6_2B
R4_2
10K
PS-42E85L
5
SW1_2A
PS-22E85L
2
SW1_2B
PS-22E85L
5
AUX1/2 PRE/POST
4
6
R41_2
4K7
W50K
VR9_2
4K7
R42_2
1
3
4
6
PAN
R16_2
5K1
R17_2
5K1
R18_2
5K1
R19_2
5K1
R9_2
5K1
R10_2
5K1
R12_2
5K1
R13_2
5K1
R14_2
5K1
R15_2
5K1
R27_2
6K8
R28_2
6K8
SW5_2A
PS-22E85L
2
SW5_2B
PS-22E85L
5
SW3_2A
PS-22E85L
2
SW3_2B
PS-22E85L
5
SW4_2A
PS-22E85L
2
SW4_2B
PS-22E85L
5
SW6_2C
PS-42E85L
8
SW6_2D
PS-42E85L
11
AUX-POST
VR7_2
W50K
AUX-PRE
VR5_2
W50K
1
3
4
6
1
3
4
6
1
3
4
6
7
9
10
12
AUX-POST
VR8_2
W50K
AUX-PRE
VR6_2
W50K
LEFT-BUS
RIGHT-BUS
SUB1
SUB2
SUB3
SUB4
AFL-L
AFL-R
SOLO(PFL)
AUX3
AUX4
AUX1
AUX2
D
C
B
A
Titel
Size
Date:
1 2 3 4 5 6 78
File:
A3
6-Jan-2004
CH2.Sch
MAIN INPUT STAGE
PCB# PM12MN1.PCB
ALTO PM12
Sheet
Drawn By:
RevisionModel No:
VER040101
82 of
BAO.
A
7654321
8
PM12MN1 (CH3)
D
C2_3
47uF
PRECH3
PRECH3
C1_3
682(M)
VR3_3A
500KC
C
R6_3
3K
R21_3
6K2
(SOLO)
SW6_3A
84
84
1
3
C13_3
100n
C14_3
100n
2
PGND
PS-42E85L
+VCC
U1_3C
4580M
B
-VCC
+RVCC
U4_3C
LM393
VR2_3
MID (FREQ=100Hz-8K)
B50K
R1_3
10K
3
2
C10_3
152(M)
VR3_3B
500KC
LD3_3
YEL
LOGIC
D1_3
BAS316
(LOGIC=2.0V or 0.5V)
C15_3
100n
84
U2_3C
4580M
C16_3
100n
C17_3
100n
C5_3 22P
R11_3
5K1
U2_3A
4580M
R22_3
6K2
R23_3
2K2
LOGIC
6
5
1
-RVCC
U1_3B
4580M
U3_3A
4580M
10K
R2_3
R29_3
100K
2
3
6.8n(M)
7
33n(M)
R31_3
C7_3
C11_3
100K
PGND PGND
PGND
R24_3
5K6
4148
D2_3
EQ HI (12K)
VR1_3
B50K
VR4_3
B50K
LO (80Hz)
PGND
1
D3_3
4148
C20_3
1uF
PGND PGND
R5_3
3K9
R3_3
10K
PGND
R33_3
10K
82R
C8_3
6.8n(M)
C12_3
33n(M)
R25_3
5K6
R32_3
R30_3
8K2
+RVCC
+RVCC
R34_3
10K
R38_3
10K
C6_3
R7_3
2
3
5
6
3
2
U4_3A
393
22P
1M
R35_3
8
4
U1_3A
4580M
U4_3B
393
10K
7
1
PGND
R36_3
4K7
1
C3_3
47uF
R39_3
27K
C22_3
1uF
PS-22E85L-2
SW2_3B
4
6
TR3_3
7002
C21_3
470P
VR10_3A
10KD
+RVCC
R26_3
3K3
TR1_3
HR
5
LD2_3
RED
D4_3
PGND
R8_3
5K1
LEVEL
1
3
4148
綠紅
R51_3
1K
6
5
R40_3
5K1
PS-22E85L-2
SW2_3A
2
MUTE
LD4_3
LED-2P
C9_3
22P
R20_3
10K
7
C4_3
U2_3B
47uF
4580M
PGND
SW6_3B
R4_3
10K
PS-42E85L
5
SW1_3A
PS-22E85L
2
SW1_3B
PS-22E85L
5
AUX1/2 PRE/POST
PAN
R41_3
4K7
W50K
VR9_3
4K7
R42_3
4
6
1
3
4
6
R16_3
5K1
R17_3
5K1
R18_3
5K1
R19_3
5K1
R9_3
5K1
R10_3
5K1
R12_3
5K1
R13_3
5K1
R14_3
5K1
R15_3
5K1
R27_3
6K8
R28_3
6K8
SW5_3A
PS-22E85L
2
SW5_3B
PS-22E85L
5
SW3_3A
PS-22E85L
2
SW3_3B
PS-22E85L
5
SW4_3A
PS-22E85L
2
SW4_3B
PS-22E85L
5
SW6_3C
PS-42E85L
8
SW6_3D
PS-42E85L
11
AUX-POST
VR7_3
W50K
AUX-PRE
VR5_3
W50K
1
3
4
6
1
3
4
6
1
3
4
6
7
9
10
12
AUX-POST
VR8_3
W50K
AUX-PRE
VR6_3
W50K
LEFT-BUS
RIGHT-BUS
SUB1
SUB2
SUB3
SUB4
AFL-L
AFL-R
SOLO(PFL)
AUX3
AUX4
AUX1
AUX2
D
C
B
A
Titel
Size
Date:
1 2 3 4 5 6 78
File:
A3
6-Jan-2004
CH3.Sch
MAIN INPUT STAGE
PCB# PM12MN1.PCB
ALTO PM12
Sheet
Drawn By:
RevisionModel No:
VER040101
83 of
BAO.
A
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