Alto PM-12 Service Manual
MODEL: PM-12/16
Version 2.0
CONTENTS
1
1. Introduction……………………………………………………………2
2. Specification…………………………………………………………..3
3. Block Diagram………………………………………………………...4
4. Schematic Diagram…………………………………………………..6
5. Wiring Diagram……………………………………………………….36
6. PCB Layout……………………………………………………………38
7. Test Procedure & Test Result……………………………………...64
8. Exploded Views & Mechanical Part List………………………….69
9. BOM……………………………………………………………………..75
1. Introduction
2
Thank you very much for expressing your confidence in ▲LTO products by purchasing ▲LTO
PM-12/16 Dragonfly multi-Channel Mixing Console with Digital Effects. The PM-12/16 are
professional compact mixer, which provides the state of the art switching power and advanced
digital amplifier technology specifically. You will get the smooth, accurate more natural and open
sound from this apparatus, it is really ideal for large gigs, recording and fixed PA installations.
The PM-12/16 Dragonfly multi-Channel Mixing Console with Digital Effects are packed with some
key features that can not be found in other consoles of its size: mono (these are provided with
ultra low is provided with warm, natural EQ (mono channels are equipped with 3-band MID
sweep EQ; stereo channels are equipped with 4-band fixed frequency EQ); 24 bits digital stereo
effect processor with 256 presets (16 presets × 16 variations); built-in digital power amplifier;
highly accurate 12-segment bar graph meters; subgroups output ets…
l Dragonfly digital amplifier technology, offering high power and a very dynamic sound.
l Extremely high efficiency means the amplifier is so compact that the console is no larger
and barely and heavier than an equivalent passive console.
l Built-in the state of the art switching power.
l MIC input channels with gold plated XLRs and balanced LINE inputs.
l Stereo input channels with balanced TRS jacks.
l Ultra-low noise discrete MIC preamps with +48V phantom power.
l Extremely high headroom offering more dynamic range
l 60mm high precision faders.
l Each input channel with Mute, SOLO function, overload & signal present LEDs and low cut
filters(except for stereo channel).
l SUB1-2, SUB3-4 and MAIN L-R signal assignment switch.
l 4 AUX sends per channel: 2 PRE/POST faders switch-able for monitoring application effects
& sound processor input; 2POST faders for internal digital DFX or as external send.
l 4-band fixed EQ on stereo line channels.
l 3-band EQ with swept mid on microphone channels.
l Channel inserts on each mono channel plus main mix insert for flexible connection of
outboard equipment.
l 24-bit digital stereo effect processor with 256 effects(16 presets×16 variations)
l Stereo 9-band graphic EQ.
l TNC socket for connecting lamp.
l Control room/phones matrix.
l 2-track recording IN/OUT
l Highly accurate 12 segment output level meters.
l 2×300W(4Ω)
l 6.3ψ jack + 4 way speaker
3
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1110987654321
3. Black Diagram
4
12
D
C
LEFT(MONO)
STEREO AUX RTN1
LEFT(MONO)
STEREO AUX RTN2
B
LEFT(MONO)
STEREO AUX RTN3
LEFT(MONO)
STEREO AUX RTN4
LEFT(MONO)
A
DFX OUT
1 2 3 4 5 6 7 8 9 10 11 12
PHANTOM
POWER
+48V
CH1
MIC IN
CH1
LINE IN
MIC GAIN:0~45dB
LINE IN TRIM:+15dB~-30dB
INSERT
2
3
1
3c
R
4d
RN
2b
TN
1a
T
5e
S
CH2-CH12 IDENTICAL TO CH1
3c
R
4d
RN
2b
TN
1a
T
5e
S
3c
R
4d
RN
2b
RIGHT
TN
1a
T
5e
S
STEREO INPUT CHANNELS (CH13-14)
CH15-16 IDENTICAL TO CH13-14
3c
R
4d
RN
2b
TN
1a
T
5e
S
3c
R
4d
RN
2b
TN
1a
RIGHT
RIGHT
RIGHT
RIGHT
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
GAIN
(TRIM)
+
-
75Hz
HI PASS
SG/OL
-20dB=SG(FLICKER)
+15dB=OL(GLOW)
-
+
-
+
+
+
+
+
+
+
+
+
FX OUT L
FX OUT R
PRESETS
VARIATIONS
MUTE
DSP FOOTSWITCH
MID
(FREQ)
LO
3-BAND EQ
+/-15db
-20dB=SG(FLICKER)
+15dB=OL(GLOW)
SG/OL
LO M-H HIL-M
4-BAND EQ
+/-15db
4-BAND EQ
+/-15db
LEVEL
DFX TO
MONITOR
LEVEL
LEVEL
LEVEL
DSP BOARD
ALTO PM-16
BLOCK DIAGRAM
ALTO MIXING CONSOLE
PM-16 BLOCK DIAGRAM
A3
15-Jan-2005
PM16MAP.Sch
Sheet
Drawn By:
D
C
B
A
RevisionModel No:
VER050115
11of
TSB.
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
SUB1
SUB2
LEFT-BUS
RIGHT-BUS
AUX1
AUX2
AFL-L
AFL-R
SOLO(PFL)
EFX SEND
AUX3
AUX4
LOGIC
CTRL/L
CTRL/R
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
AFL-L
AFL-R
SOLO
()
ON
ASSIGN
SOLO(PFL)
LEFT-BUS
RIGHT-BUS
EQ ON
GEQ
SOLO LED
FADER
12K50080
3K
MUTE
BALANCE
LIMITER
SUB1
12K50080 3K
DFX TO
MONITOR
POST
PRE
ASSIGN TO
C-R/PHONES
AUX4
AUX3
AUX1
AUX2
SOLO LED
AUX RETURN
SOLO
SOLO
()
ON
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
LEFT-BUS
RIGHT-BUS
SUB1
LEFT-BUS
RIGHT-BUS
CTRL-R-L
CTRL-R-R
AFL-L
GEQ
2TK TO MAIN
SUB1 TO MIX
2TK
MAIN MIX
CONTROL ROOM SOURCE
AFL L
FROM SUB2
FROM SUB3
FROM SUB4
SOLO CTRL
SUB1
LEVEL
SUBMIX 2 3 4 ID ENTICAL T O SUB1
SUB1/2
SUB3/4
IDENTICAL TO SUB1 INSERTSUB INSER T 2 3 4
2TK
TAPE IN
LEFT
RIGHT
2TK TO MAIN
RIGHT-BUS
DFX RETURN TO
AUX1
AUX2
AUX RTN4
ASSIGN TO
SUB1
SUB2
SUB3
SUB4
DFX SEND
AFL-R
SOLO(PFL)
LEFT-BUS
RIGHT-BUS
AUX1
AUX2
AFL-L
AFL-R
SOLO(PFL)
AUX3
AUX4
LOGIC
DFX SEND
CTRL/L
CTRL/R
SUB1
SUB2
SUB3
SUB4
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
L SPEAKER OUT
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
R SPEAKER OUT
TAPE OUT
Titel
Size
Date:
File:
1110987654321
5
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
()
POST
PRE
AUX4
ON
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 IDENTICAL TO SUB 1
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
L SPEAKER OUT
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
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
4. Schematic Diagram
6
8
PH PWR
R1
6K81
R46
1
MIC 1
D
JY-5042-030G
LINE IN1
JY-6351G-02-250
3
2
4
X1
3c
4d
2b
1a
5e
X2
4R7
R47
4R7
R
RN
TN
T
S
22u/35V
C27
22u/35V
C21
330P
C26
R2
6K81
C12
47u/63V
R93
6K34
R94
6K34
C11
47u/63V
R101
1K50
MIC GAIN=0~-60dB
LINE IN GAIN=-15~-40dB
PH PWR
R3
6K81
R48
1
MIC 2
JY-5042-030G
C
LINE IN2
JY-6351G-02-250
MIC 3
JY-5042-030G
B
LINE IN3
JY-6351G-02-250
3
2
4
X3
3c
4d
2b
1a
5e
X4
1
3
2
4
X5
3c
4d
2b
1a
5e
X6
4R7
R49
4R7
R
RN
TN
T
S
R
RN
TN
T
S
22u/35V
C29
22u/35V
R5
6K81
R50
4R7
R51
4R7
22u/35V
C31
22u/35V
C22
330P
C28
PH PWR
C23
330P
C30
R4
6K81
C14
47u/63V
R95
6K34
R96
6K34
R6
6K81
C16
47u/63V
R97
6K34
R98
6K34
C13
47u/63V
R103
1K50
C15
47u/63V
R105
1K50
-VCC
-VCC
-VCC
C1
10N
R61
20K
C34
1n
2K49
C2
10N
R62
20K
C35
1n
2K49
C3
10N
R63
20K
C36
1n
R16
2K49
R12
R14
+VCC
-VCC
+VCC
-VCC
+VCC
-VCC
R11
2K49
TR1
HR
R83
470R
TR16
A1316
R102
1K50
R13
2K49
TR2
HR
R84
470R
TR17
A1316
R104
1K50
R15
2K49
TR3
HR
R85
470R
TR18
A1316
R106
1K50
C5
10N
R87
470R
TR20
A1316
C38
C6
10N
R88
470R
TR21
A1316
C39
C7
10N
R89
470R
TR22
A1316
C40
+VCC
1n
-VCC
+VCC
1n
-VCC
+VCC
1n
-VCC
R20
2K49
TR6
HR
R23
2K49
R25
2K49
TR8
HR
R28
2K49
R30
2K49
TR10
HR
R33
2K49
+VCC
C44
1000u/10V
VR1
O10K
R54
4R7
+VCC
C45
1000u/10V
VR2
O10K
R55
4R7
+VCC
C46
1000u/10V
VR3
O10K
R56
4R7
2K49
BAS316
2K49
BAS316
2K49
BAS316
R19
D1
R24
D2
R29
D3
+VCC
-VCC
+VCC
-VCC
+VCC
-VCC
R21
2K49
TR5
HR
R22
2K49
R26
2K49
TR7
HR
R27
2K49
R31
2K49
TR9
HR
R32
2K49
3
2
C51
22P
5
6
4580M
3
2
C55
22P
5
6
4580M
3
2
C59
22P
5
6
U1A
4580M
C52
22P
5K11
U3A
C56
22P
R130
5K11
U5A
C60
22P
R126
R134
5K11
R125
5K11
U1B
4580M
R129
5K11
U3B
4580M
R133
5K11
U5B
4580M
R123
1
7
1
7
1
7
C49
22P
5K11
R143
10K0
R144
10K0
C53
22P
R127
5K11
R145
10K0
R146
10K0
C88
0.22u/50V
C57
22P
R131
5K11
R147
10K0
R148
10K0
C90
0.22u/50V
3
2
0.22u/50V
R153
1K3
C86
0.22u/50V
R157
62K
4580M
3
2
0.22u/50V
R154
1K3
R158
62K
4580M
3
2
R155
1K3
R159
62K
U2A
4580M
C50
22P
R124
5K11
C85
6
5
U4A
C54
22P
R128
5K11
C87
6
5
U6A
C58
22P
R132
5K11
C89
0.22u/50V
6
5
1
U2B
4580M
1
U4B
4580M
1
U6B
4580M
C99
47u/25V
R65
C93
0.22u/50V
R199
6K8
7
C101
47u/25V
R67
20K
C94
0.22u/50V
R200
6K8
7
C103
47u/25V
R69
C95
0.22u/50V
R201
6K8
7
20K
C100
47u/25V
C102
47u/25V
20K
C104
47u/25V
R66
20K
R68
20K
R70
20K
LO CUT
SW1A
PS-22E85L
SW1B
PS-22E85L
LO CUT
SW2A
PS-22E85L
SW2B
PS-22E85L
LO CUT
SW3A
PS-22E85L
SW3B
PS-22E85L
INS1
R82
120R
INS2
R75
120R
INS3
R78
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
PRECH3
INSERT3
3c
R
4d
RN
2b
TN
1a
T
5e
S
JY-6351G-02-250
PRECH1
X9
PRECH2
X10
PRECH3
X11
DIR-OUT1
DIR-OUT2
DIR-OUT3
DIR-OUT4
R203
120R
R204
120R
R205
120R
R206
120R
R207
120R
R208
120R
R209
120R
R210
120R
3c
R
4d
RN
2b
TN
1a
T
5e
S
X17
JY-6351G-02-250
3c
R
4d
RN
2b
TN
1a
T
5e
S
X18
JY-6351G-02-250
3c
R
4d
RN
2b
TN
1a
T
5e
S
X19
JY-6351G-02-250
3c
R
4d
RN
2b
TN
1a
T
5e
S
X20
JY-6351G-02-250
DIRECT1
DIRECT2
DIRECT3
DIRECT4
PM16PU1
PRECH1
DIR-OUT1
DIR-OUT1
+VCC
+VCC
-VCC
-VCC
PRECH2
DIR-OUT2
DIR-OUT2
PRECH3
DIR-OUT3
DIR-OUT3
+VCC
+VCC
-VCC
-VCC
PRECH4
DIR-OUT4
DIR-OUT4
PH PWR
(TO PM16MN1)
2.0-12P
GND
GND
GND
GND
GND
GND
(TO PM16MN1)
GND
GND
GND
GND
GND
GND
+VCC
-VCC
CN1
12
11
10
9
8
7
6
5
4
3
2
1
CN2
2.0-12P
12
11
10
9
8
7
6
5
4
3
2
1
(TO PM12PU2)
(TO PM12PU1)
CN3
3.9-4P
1
2
3
4
CN4
3.9-4P
1
2
3
4
D
C
B
1
MIC 4
JY-5042-030G
LINE IN4
A
JY-6351G-02-250
3
2
4
X7
3c
4d
2b
1a
5e
X8
1 2 3 4 5 6 78
PH PWR
R7
6K81
R52
4R7
R53
4R7
R
RN
TN
T
S
22u/35V
C33
22u/35V
C24
330P
C32
R8
6K81
C18
47u/63V
R99
6K34
R100
6K34
C17
47u/63V
R107
1K50
-VCC
C4
10N
R64
20K
C37
1n
R18
2K49
+VCC
-VCC
R17
2K49
TR4
HR
R86
470R
TR19
A1316
R108
1K50
C8
10N
R90
470R
TR23
A1316
C41
+VCC
1n
-VCC
R35
2K49
TR12
HR
R38
2K49
+VCC
C47
1000u/10V
VR4
O10K
R57
4R7
R34
2K49
BAS316
+VCC
+VCC
-VCC
R156
1K3
R160
62K
3
2
U8A
4580M
C62
22P
R136
5K11
C91
0.22u/50V
6
5
1
U8B
4580M
C105
47u/25V
R71
C96
0.22u/50V
R202
6K8
7
20K
C106
47u/25V
R72
20K
LO CUT
SW4A
PS-22E85L
SW4B
PS-22E85L
INS4
R80
120R
PRECH4
INSERT4
3c
R
4d
RN
2b
TN
1a
T
5e
S
JY-6351G-02-250
PRECH4
X12
-VCC
R36
2K49
TR11
HR
R37
2K49
C61
22P
U7A
4580M
3
2
C63
22P
5
6
C64
22P
R138
5K11
R137
5K11
U7B
4580M
1
7
0.22u/50V
R135
5K11
R149
10K0
R150
10K0
C92
D4
C120
100N
C122
100N
C121
100N
C123
100N
C124
100N
C132
100N
C125
100N
C133
100N
C126
100N
C134
100N
C127
100N
C135
100N
C128
100N
C136
100N
C129
100N
C137
100N
84
U1C
4580M
84
U2C
4580M
84
U3C
4580M
Titel
INPUT STAGE ( CH1-CH4)
PCB# PM16PU1.PCB
Size
A3
15-Jan-2005
Date:
File:
PM16PU1.Sch
84
U4C
4580M
84
U5C
4580M
ALTO PM16
84
U6C
4580M
84
U7C
4580M
Sheet
Drawn By:
RevisionModel No:
TSB.
84
U8C
4580M
VER050115
11of
A
321
7
4
(TO PM16PU1)
CN1
D
CH1
CH1.SCH
CH2
CH2.SCH
C
CH3
CH3.SCH
CH4
CH4.SCH
B
PRECH1
DIR-OUT1
+VCC
-VCC
PRECH2
DIR-OUT2
PRECH3
DIR-OUT3
+VCC
-VCC
PRECH4
DIR-OUT4
DIR-OUT1
+VCC
-VCC
DIR-OUT2
DIR-OUT3
+VCC
-VCC
DIR-OUT4
2.0-12P
12
GND
11
10
GND
9
8
GND
7
GND
6
5
GND
4
3
GND
2
1
(TO PM16PU1)
CN2
2.0-12P
12
GND
11
10
GND
9
8
GND
7
GND
6
5
GND
4
3
GND
2
1
AUX1
AUX2
AUX3
AUX4
SUB1
SUB2
SUB3
SUB4
LEFT-BUS
RIGHT-BUS
SOLO(PFL)
AFL-L
AFL-R
LOGIC
+RVCC
PGND
PGND
-RVCC
CN3
1
2
3
4
CON4
CN4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
CON14
(TO PM12MN2)
PM16MN1
CN5
AUX1
AUX2
AUX3
AUX4
SUB1
SUB2
SUB3
SUB4
LEFT-BUS
RIGHT-BUS
SOLO(PFL)
AFL-L
AFL-R
LOGIC
+RVCC
PGND
PGND
-RVCC
(TO PM12MN1)
1
2
3
4
CON4
CN6
1
2
3
4
5
6
7
8
9
10
11
12
13
14
CON14
D
C
B
C18_1
100n
84
U3_1C
4580M
A
1 2 34
C19_1
100n
U3_3C
4580M
C18_3
100n
84
C19_3
100n
PGNDPGND
+RVCC
-RVCC
C1
47uF
C2
47uF
R1
47R
R2
47R
C3
47uF
C4
47uF
+PVCC
-PVCC
PGND
Titel
Size
Date:
File:
MAIN INPUT STAGE
PCB# PM16MN1.PCB
A4
15-Jan-2005
PM16MN1.Sch
ALTO PM16
Sheet
Drawn By:
RevisionModel No:
KEVIN LIN.
A
VER030319
40of
7654321
8
8
PM16MN1 (CH1)
D
C2_1
VR2_1
47uF
PRECH1
PRECH1
C1_1
682(M)
VR3_1A
500KC
C
PGND
+VCC
B
-VCC
R6_1
3K
R21_1
6K2
(SOLO)
2
SW6_1A
PS-42E85L
84
U1_1C
4580M
+RVCC
84
U4_1C
LM393
PGND PGND
1
3
C13_1
100n
C14_1
100n
LD3_1
YEL
C17_1
100n
MID (FREQ=100Hz-8K)
3
2
C10_1
152(M)
500KC
LOGIC
R1_1
10K
C15_1
100n
C16_1
100n
C5_1
R11_1
5K1
R23_1
2K2
B50K
VR3_1B
D1_1
BAS316
(LOGIC=2.0V or 0.5V)
84
U2_1C
4580M
U2_1A
4580M
R22_1
6K5
LOGIC
22P
1
6
5
-RVCC
U3_1A
4580M
R2_1
10K
U1_1B
4580M
PGND
R29_1
100K
2
3
7
R31_1
C7_1
6.8n(M)
C11_1
33n(M)
R24_1
5K6
4148
D2_1
100K
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
10K
PGND
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
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
R8_1
LEVEL
5
D4_1
4148
VR10_1A
10KD
R51_1
1K
PGND
5K1
綠紅
+RVCC
LD4_1
LED-2P
R40_1
5K1
R26_1
3K3
C6_1
22P
R7_1
1M
2
3
U1_1A
4580M
U4_1B
393
5
7
6
R35_1
10K
8
3
1
2
4
U4_1A
393
PGND
R36_1
4K7
1
PS-22E85L-2
C3_1
47uF
R39_1
27K
C22_1
1uF
TR3_1
7002
SW2_1B
4
6
C21_1
470P
TR1_1
HR
6
5
LD2_1
RED
C9_1
22P
R20_1
10K
7
C4_1
U2_1B
47uF
4580M
PS-22E85L-2
SW2_1A
1
2
3
MUTE
SW6_1B
PS-42E85L
R4_1
10K
5
PS-22E85L
2
SW1_1B
PS-22E85L
5
AUX1/2 PRE/POST
PGND
DIR-OUT1
4
6
SW1_1A
D
C
B
A
Titel
MAIN INPUT STAGE
PCB# PM16MN1.PCB
Size
A3
Date:
1 2 3 4 5 6 78
File:
15-Jan-2005
CH1.Sch
ALTO PM16
Sheet
Drawn By:
RevisionModel No:
KEVIN LIN.
VER030319
41of
A
7654321
9
8
PM16MN1 (CH2)
D
C2_2
VR2_2
47uF
PRECH2
PRECH2
C1_2
682(M)
VR3_2A
500KC
C
PGND
+VCC
B
-VCC
R6_2
3K
R21_2
6K2
(SOLO)
2
SW6_2A
PS-42E85L
84
U1_2C
4580M
+RVCC
84
U4_2C
LM393
PGND PGND
1
3
C13_2
100n
C14_2
100n
LD3_2
YEL
C17_2
100n
MID (FREQ=100Hz-8K)
B50K
VR3_2B
D1_2
BAS316
(LOGIC=2.0V or 0.5V)
84
U2_2C
4580M
3
2
C10_2
152(M)
500KC
LOGIC
R1_2
10K
C15_2
100n
C16_2
100n
C5_2 22P
R11_2
5K1
U2_2A
4580M
R23_2
2K2
R22_2
6K5
LOGIC
1
6
5
-RVCC
U1_2B
4580M
U3_1B
4580M
R2_2
10K
PGND
R29_2
100K
6
5
7
R31_2
C7_2
6.8n(M)
C11_2
33n(M)
R24_2
5K6
4148
D2_2
100K
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
10K
PGND
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
R7_2
2
3
5
6
3
2
U4_2A
393
22P
1M
R35_2
10K
8
4
U1_2A
4580M
U4_2B
393
7
1
PGND
R36_2
4K7
47uF
1
C3_2
R39_2
27K
C22_2
1uF
PS-22E85L-2
SW2_2B
4
6
TR3_2
7002
C21_2
470P
LEVEL
+RVCC
TR1_2
HR
5
VR10_2A
10KD
R26_2
3K3
LD2_2
RED
D4_2
4148
PGND
R8_2
5K1
1
3
綠紅
R51_2
1K
6
5
R40_2
5K1
PS-22E85L-2
SW2_2A
MUTE
LD4_2
LED-2P
C9_2
22P
U2_2B
4580M
2
PGND
R4_2
10K
5
SW1_2B
PS-22E85L
AUX1/2 PRE/POST
R20_2
10K
7
C4_2
47uF
DIR-OUT2
SW6_2B
PS-42E85L
SW1_2A
PS-22E85L
2
5
R41_2
4K7
W50K
VR9_2
4K7
R42_2
4
6
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
MAIN INPUT STAGE
PCB# PM16MN1.PCB
Size
A3
Date:
1 2 3 4 5 6 78
File:
15-Jan-2005
CH2.Sch
ALTO PM16
Sheet
Drawn By:
RevisionModel No:
KEVIN LIN.
VER030319
42of
A
7654321
10
8
PM16MN1 (CH3)
D
C2_3
VR2_3
47uF
PRECH3
PRECH3
C1_3
682(M)
VR3_3A
500KC
C
PGND
+VCC
B
-VCC
R6_3
3K
R21_3
6K2
(SOLO)
2
SW6_3A
PS-42E85L
84
U1_3C
4580M
+RVCC
84
U4_3C
LM393
PGND PGND
1
3
C13_3
100n
C14_3
100n
LD3_3
YEL
C17_3
100n
MID (FREQ=100Hz-8K)
B50K
VR3_3B
D1_3
BAS316
(LOGIC=2.0V or 0.5V)
84
U2_3C
4580M
3
2
C10_3
152(M)
500KC
LOGIC
R1_3
10K
C15_3
100n
C16_3
100n
C5_3 22P
R11_3
5K1
R23_3
2K2
U2_3A
4580M
R22_3
6K5
LOGIC
1
6
5
-RVCC
U1_3B
4580M
U3_3A
4580M
R2_3
10K
PGND
R29_3
100K
2
3
7
R31_3
100K
C7_3
6.8n(M)
C11_3
33n(M)
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
R33_3
10K
PGND
C8_3
6.8n(M)
C12_3
33n(M)
R25_3
5K6
R32_3
82R
R30_3
8K2
+RVCC
+RVCC
R34_3
10K
R38_3
10K
5
6
3
2
C6_3
22P
R7_3
1M
2
3
R35_3
8
4
U4_3A
393
U4_3B
10K
U1_3A
4580M
393
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
PGND
R8_3
5K1
LEVEL
1
3
D4_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
PS-42E85L
R4_3
10K
5
PS-22E85L
2
SW1_3B
PS-22E85L
5
AUX1/2 PRE/POST
DIR-OUT3
SW1_3A
PAN
R41_3
4K7
R9_3
R10_3
W50K
VR9_3
4K7
R42_3
R27_3
4
6
1
3
4
6
R16_3
5K1
R17_3
5K1
R18_3
5K1
R19_3
5K1
5K1
5K1
R12_3
5K1
R13_3
5K1
R14_3
5K1
R15_3
5K1
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
A
Titel
MAIN INPUT STAGE
PCB# PM16MN1.PCB
Size
A3
Date:
1 2 3 4 5 6 78
File:
15-Jan-2005
CH3.Sch
ALTO PM16
Sheet
Drawn By:
RevisionModel No:
KEVIN LIN.
VER030319
43of
7654321
11
8
PM16MN1 (CH4)
D
C2_4
VR2_4
47uF
PRECH4
PRECH4
C1_4
682(M)
VR3_4A
500KC
C
PGND
+VCC
B
-VCC
R6_4
R21_4
6K2
(SOLO)
2
SW6_4A
PS-42E85L
84
U1_4C
4580M
+RVCC
84
U4_4C
LM393
PGND PGND
3K
1
3
C13_4
100n
C14_4
100n
LD3_4
YEL
C17_4
100n
MID (FREQ=100Hz-8K)
B50K
VR3_4B
D1_4
BAS316
(LOGIC=2.0V or 0.5V)
84
U2_4C
4580M
3
2
C10_4
152(M)
500KC
LOGIC
R1_4
10K
C15_4
100n
C16_4
100n
C5_4
R11_4
5K1
U2_4A
4580M
R23_4
2K2
R22_4
6K2
LOGIC
22P
1
6
5
-RVCC
U1_4B
4580M
R29_4
100K
U3_3B
4580M
R2_4
10K
PGND
7
6
5
R31_4
C7_4
6.8n(M)
C11_4
33n(M)
R24_4
5K6
4148
D2_4
100K
EQ HI (12K)
VR1_4
B50K
VR4_4
B50K
LO (80Hz)
PGND
7
D3_4
4148
C20_4
1uF
PGND PGND
R5_4
3K9
R3_4
10K
R33_4
10K
PGND
C8_4
6.8n(M)
C12_4
33n(M)
R25_4
5K6
R32_4
82R
R30_4
8K2
+RVCC
+RVCC
R34_4
10K
R38_4
10K
C6_4
22P
R7_4
1M
2
3
5
6
3
2
U4_4A
393
U4_4B
393
R35_4
10K
8
4
U1_4A
4580M
7
1
PGND
R36_4
4K7
47uF
1
C3_4
R39_4
27K
PS-22E85L-2
C22_4
1uF
C21_4
470P
SW2_4B
4
6
TR3_4
7002
5
+RVCC
TR1_4
HR
R8_4
5K1
LEVEL
VR10_4A
10KD
R26_4
3K3
LD2_4
RED
D4_4
4148
綠紅
R51_4
1K
PGND
6
5
R40_4
5K1
1
3
LD4_4
LED-2P
PS-22E85L-2
SW2_4A
2
MUTE
R4_4
10K
C9_4
22P
R20_4
10K
7
C4_4
U2_4B
47uF
4580M
PGND
DIR-OUT4
SW6_4B
PS-42E85L
5
SW1_4A
PS-22E85L
2
SW1_4B
PS-22E85L
5
AUX1/2 PRE/POST
PAN
R41_4
4K7
R9_4
R10_4
W50K
VR9_4
4K7
R42_4
4
6
1
3
4
6
R16_4
5K1
R17_4
5K1
R18_4
5K1
R19_4
5K1
5K1
5K1
R12_4
5K1
R13_4
5K1
R14_4
5K1
R15_4
5K1
R27_4
6K8
R28_4
6K8
SW5_4A
PS-22E85L
2
SW5_4B
PS-22E85L
5
SW3_4A
PS-22E85L
2
SW3_4B
PS-22E85L
5
SW4_4A
PS-22E85L
2
SW4_4B
PS-22E85L
5
SW6_4C
PS-42E85L
8
SW6_4D
PS-42E85L
11
AUX-POST
VR7_4
W50K
AUX-PRE
VR5_4
W50K
1
3
4
6
1
3
4
6
1
3
4
6
7
9
10
12
AUX-POST
VR8_4
W50K
AUX-PRE
VR6_4
W50K
LEFT-BUS
RIGHT-BUS
SUB1
SUB2
SUB3
SUB4
AFL-L
AFL-R
SOLO(PFL)
AUX3
AUX4
AUX1
AUX2
D
C
B
A
A
Titel
MAIN INPUT STAGE
PCB# PM16MN1.PCB
Size
A3
Date:
1 2 3 4 5 6 78
File:
15-Jan-2005
CH4.Sch
ALTO PM16
Sheet
Drawn By:
RevisionModel No:
KEVIN LIN.
VER030319
44of
321
12
4
(TO PM12PU1)
CN1
2.0-12P
D
C
CH1
CH1.SCH
CH2
CH2.SCH
CH3
CH3.SCH
CH4
CH4.SCH
CH5
CH5.SCH
CH6
CH6.SCH
CH7
CH7.SCH
CH8
CH8.SCH
PRECH1
DIR-OUT1
+VCC
-VCC
PRECH2
DIR-OUT2
PRECH3
DIR-OUT3
+VCC
-VCC
PRECH4
DIR-OUT4
DIR-OUT1
+VCC
-VCC
DIR-OUT2
DIR-OUT3
+VCC
-VCC
DIR-OUT4
12
GND
11
10
GND
9
8
GND
7
GND
6
5
GND
4
3
GND
2
1
(TO PM12PU1)
CN2
2.0-12P
12
GND
11
10
GND
9
8
GND
7
GND
6
5
GND
4
3
GND
2
1
PRECH5
DIR-OUT5
+VCC
-VCC
PRECH6
DIR-OUT6
PRECH7
DIR-OUT7
+VCC
-VCC
PRECH8
DIR-OUT8
DIR-OUT5
+VCC
-VCC
DIR-OUT6
DIR-OUT7
+VCC
-VCC
DIR-OUT8
(TO PM12PU1)
CN3
2.0-12P
12
GND
11
10
GND
9
8
GND
7
GND
6
5
GND
4
3
GND
2
1
(TO PM12PU1)
CN4
2.0-12P
12
GND
11
10
GND
9
8
GND
7
GND
6
5
GND
4
3
GND
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
1
2
3
4
CN5
1
2
3
4
5
6
7
8
9
10
11
12
13
14
CON14
(TO PM12MN2)
D
C
B
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
C18_7
100n
100n
PGNDPGNDPGNDPGND
+RVCC
-RVCC
C1
47uF
C2
47uF
R1
0R
R2
0R
C3
47uF
C4
47uF
+PVCC
-PVCC
PGND
Titel
Size
Date:
File:
A3
19-Feb-2005
PM12MN1.Sch
MAIN INPUT STAGE
PCB# PM12MN1.PCB
ALTO PM12
Sheet
Drawn By:
RevisionModel No:
KEVIN LIN.
VER030319
80of
B
A
7654321
13
8
PM12MN1 (CH1)
D
C2_1
VR2_1
47uF
PRECH1
PRECH1
C1_1
682(M)
VR3_1A
500KC
C
PGND
+VCC
B
-VCC
R6_1
3K
R21_1
6K2
(SOLO)
2
SW6_1A
PS-42E85L
84
U1_1C
4580M
+RVCC
84
U4_1C
LM393
PGND PGND
1
3
C13_1
100n
C14_1
100n
LD3_1
YEL
C17_1
100n
MID (FREQ=100Hz-8K)
3
2
C10_1
152(M)
VR3_1B
500KC
LOGIC
R1_1
10K
C15_1
100n
C16_1
100n
C5_1
R11_1
5K1
U2_1A
4580M
R23_1
2K2
LOGIC
B50K
D1_1
BAS316
(LOGIC=2.0V or 0.5V)
84
U2_1C
4580M
R22_1
6K2
22P
6
5
1
-RVCC
U1_1B
4580M
U3_1A
4580M
R2_1
10K
PGND
R29_1
100K
2
3
7
C7_1
6.8n(M)
C11_1
33n(M)
R24_1
5K6
R31_1
100K
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
10K
PGND
C8_1
6.8n(M)
C12_1
33n(M)
R25_1
5K6
R32_1
82R
+RVCC
+RVCC
R30_1
8K2
R34_1
10K
R38_1
10K
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
R8_1
LEVEL
5
D4_1
4148
VR10_1A
10KD
R51_1
1K
PGND
5K1
+RVCC
綠紅
R40_1
5K1
R26_1
3K3
LD4_1
LED-2P
C6_1
22P
R7_1
1M
2
3
U1_1A
4580M
U4_1B
393
5
7
6
R35_1
10K
8
3
1
2
4
U4_1A
393
PGND
R36_1
4K7
47uF
1
PS-22E85L-2
C3_1
R39_1
27K
C22_1
1uF
TR3_1
7002
SW2_1B
4
6
TR1_1
C21_1
470P
HR
6
5
LD2_1
RED
C9_1
22P
R20_1
10K
7
C4_1
U2_1B
47uF
4580M
PS-22E85L-2
SW2_1A
1
2
3
MUTE
SW6_1B
PS-42E85L
R4_1
10K
5
PS-22E85L
2
SW1_1B
PS-22E85L
5
AUX1/2 PRE/POST
PGND
DIR-OUT1
4
6
SW1_1A
D
C
B
A
A
Titel
MAIN INPUT STAGE
PCB# PM12MN1.PCB
Size
A3
Date:
1 2 3 4 5 6 78
File:
19-Feb-2005
CH1.Sch
ALTO PM12
Sheet
Drawn By:
RevisionModel No:
KEVIN LIN.
VER030319
81of
7654321
14
8
PM12MN1 (CH2)
D
C2_2
VR2_2
47uF
PRECH2
PRECH2
C1_2
682(M)
VR3_2A
500KC
C
PGND
+VCC
B
-VCC
R6_2
3K
R21_2
6K2
(SOLO)
2
SW6_2A
PS-42E85L
84
U1_2C
4580M
+RVCC
84
U4_2C
LM393
PGND PGND
1
3
C13_2
100n
C14_2
100n
LD3_2
YEL
C17_2
100n
MID (FREQ=100Hz-8K)
B50K
D1_2
BAS316
(LOGIC=2.0V or 0.5V)
84
U2_2C
4580M
3
2
C10_2
152(M)
VR3_2B
500KC
LOGIC
R1_2
10K
C15_2
100n
C16_2
100n
C5_2 22P
R11_2
5K1
U2_2A
4580M
R23_2
2K2
LOGIC
R22_2
6K2
6
5
1
-RVCC
U1_2B
4580M
U3_1B
4580M
R2_2
10K
PGND
R29_2
100K
6
5
7
C7_2
6.8n(M)
C11_2
33n(M)
R24_2
5K6
R31_2
100K
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
10K
PGND
C8_2
6.8n(M)
C12_2
33n(M)
R25_2
5K6
R32_2
82R
+RVCC
+RVCC
R30_2
8K2
R34_2
10K
R38_2
10K
C6_2
R7_2
2
3
5
6
3
2
U4_2A
393
22P
1M
R35_2
10K
8
4
U1_2A
4580M
U4_2B
393
7
1
PGND
R36_2
4K7
47uF
1
C3_2
R39_2
27K
C22_2
1uF
PS-22E85L-2
SW2_2B
4
6
TR3_2
7002
C21_2
470P
LEVEL
+RVCC
TR1_2
HR
5
VR10_2A
10KD
R26_2
3K3
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
C9_2
22P
U2_2B
4580M
2
PGND
R4_2
10K
5
SW1_2B
PS-22E85L
AUX1/2 PRE/POST
R20_2
10K
7
C4_2
47uF
DIR-OUT2
SW6_2B
PS-42E85L
SW1_2A
PS-22E85L
2
5
R41_2
4K7
PAN
W50K
VR9_2
4K7
R42_2
4
6
1
3
4
6
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
A
Titel
MAIN INPUT STAGE
PCB# PM12MN1.PCB
Size
A3
Date:
1 2 3 4 5 6 78
File:
19-Feb-2005
CH2.Sch
ALTO PM12
Sheet
Drawn By:
RevisionModel No:
KEVIN LIN.
VER030319
82of
7654321
15
8
PM12MN1 (CH3)
D
C2_3
VR2_3
47uF
PRECH3
PRECH3
C1_3
682(M)
VR3_3A
500KC
C
PGND
+VCC
B
-VCC
R6_3
3K
R21_3
6K2
(SOLO)
2
SW6_3A
PS-42E85L
84
U1_3C
4580M
+RVCC
84
U4_3C
LM393
PGND PGND
1
3
C13_3
100n
C14_3
100n
LD3_3
YEL
C17_3
100n
MID (FREQ=100Hz-8K)
B50K
D1_3
BAS316
(LOGIC=2.0V or 0.5V)
84
U2_3C
4580M
3
2
C10_3
152(M)
VR3_3B
500KC
LOGIC
R1_3
10K
C15_3
100n
C16_3
100n
C5_3 22P
R11_3
5K1
U2_3A
4580M
R23_3
2K2
LOGIC
R22_3
6K2
6
5
1
-RVCC
U1_3B
4580M
U3_3A
4580M
R2_3
10K
PGND
R29_3
100K
2
3
7
C7_3
6.8n(M)
C11_3
33n(M)
R24_3
5K6
R31_3
100K
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
R33_3
10K
PGND
C8_3
6.8n(M)
C12_3
33n(M)
R25_3
5K6
R32_3
82R
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
R36_3
4K7
1
PGND
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
PGND
R8_3
5K1
LEVEL
1
3
D4_3
4148
綠紅
R51_3
1K
6
5
R40_3
5K1
PS-22E85L-2
SW2_3A
MUTE
LD4_3
LED-2P
C9_3
22P
U2_3B
4580M
2
PGND
R4_3
10K
5
SW1_3B
PS-22E85L
AUX1/2 PRE/POST
R20_3
10K
7
C4_3
47uF
DIR-OUT3
SW6_3B
PS-42E85L
SW1_3A
PS-22E85L
2
5
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
MAIN INPUT STAGE
PCB# PM12MN1.PCB
Size
A3
Date:
1 2 3 4 5 6 78
File:
19-Feb-2005
CH3.Sch
ALTO PM12
Sheet
Drawn By:
RevisionModel No:
KEVIN LIN.
VER030319
83of
A
7654321
16
8
PM12MN1 (CH4)
D
C2_4
VR2_4
47uF
PRECH4
PRECH4
C1_4
682(M)
VR3_4A
500KC
C
PGND
+VCC
B
-VCC
R6_4
R21_4
6K2
(SOLO)
2
SW6_4A
PS-42E85L
84
U1_4C
4580M
+RVCC
84
U4_4C
LM393
PGND PGND
3K
C13_4
100n
C14_4
100n
1
3
LD3_4
YEL
C17_4
100n
MID (FREQ=100Hz-8K)
B50K
D1_4
BAS316
(LOGIC=2.0V or 0.5V)
84
U2_4C
4580M
3
2
C10_4
152(M)
VR3_4B
500KC
LOGIC
R1_4
10K
C15_4
100n
C16_4
100n
C5_4
R11_4
5K1
U2_4A
4580M
R23_4
2K2
LOGIC
R22_4
6K2
22P
6
5
1
-RVCC
U1_4B
4580M
R29_4
100K
U3_3B
4580M
R2_4
10K
PGND
7
6
5
C7_4
6.8n(M)
C11_4
33n(M)
R24_4
5K6
R31_4
100K
4148
D2_4
EQ HI (12K)
VR1_4
B50K
VR4_4
B50K
LO (80Hz)
PGND
7
D3_4
4148
C20_4
1uF
PGND PGND
R5_4
3K9
R3_4
10K
R33_4
10K
PGND
C8_4
6.8n(M)
C12_4
33n(M)
R25_4
5K6
R32_4
82R
R30_4
8K2
+RVCC
+RVCC
R34_4
10K
R38_4
10K
C6_4
22P
R7_4
1M
2
3
5
6
3
2
U4_4A
393
R35_4
10K
8
4
U1_4A
4580M
U4_4B
393
7
1
PGND
R36_4
4K7
47uF
1
C3_4
R39_4
27K
PS-22E85L-2
C22_4
1uF
C21_4
470P
SW2_4B
4
6
TR3_4
7002
5
+RVCC
TR1_4
HR
R8_4
5K1
LEVEL
VR10_4A
10KD
R26_4
3K3
LD2_4
RED
D4_4
4148
綠紅
R51_4
1K
PGND
R40_4
5K1
1
3
LD4_4
LED-2P
6
5
PS-22E85L-2
SW2_4A
MUTE
R4_4
10K
C9_4
22P
R20_4
10K
7
C4_4
U2_4B
47uF
4580M
2
PGND
DIR-OUT4
SW6_4B
PS-42E85L
5
SW1_4A
PS-22E85L
2
SW1_4B
PS-22E85L
5
AUX1/2 PRE/POST
PAN
R41_4
4K7
W50K
VR9_4
4K7
R42_4
4
6
1
3
4
6
R16_4
5K1
R17_4
5K1
R18_4
5K1
R19_4
5K1
R9_4
5K1
R10_4
5K1
R12_4
5K1
R13_4
5K1
R14_4
5K1
R15_4
5K1
R27_4
6K8
R28_4
6K8
SW5_4A
PS-22E85L
2
SW5_4B
PS-22E85L
5
SW3_4A
PS-22E85L
2
SW3_4B
PS-22E85L
5
SW4_4A
PS-22E85L
2
SW4_4B
PS-22E85L
5
SW6_4C
PS-42E85L
8
SW6_4D
PS-42E85L
11
AUX-POST
VR7_4
W50K
AUX-PRE
VR5_4
W50K
1
3
4
6
1
3
4
6
1
3
4
6
7
9
10
12
AUX-POST
VR8_4
W50K
AUX-PRE
VR6_4
W50K
LEFT-BUS
RIGHT-BUS
SUB1
SUB2
SUB3
SUB4
AFL-L
AFL-R
SOLO(PFL)
AUX3
AUX4
AUX1
AUX2
D
C
B
A
Titel
MAIN INPUT STAGE
PCB# PM12MN1.PCB
Size
A3
Date:
1 2 3 4 5 6 78
File:
19-Feb-2005
CH4.Sch
ALTO PM12
Sheet
Drawn By:
RevisionModel No:
KEVIN LIN.
VER030319
84of
A
7654321
17
8
PM12MN1 (CH5)
D
C2_5
VR2_5
47uF
PRECH5
PRECH5
C1_5
682(M)
VR3_5A
500KC
C
PGND
+VCC
B
-VCC
R6_5
3K
R21_5
6K2
(SOLO)
2
SW6_5A
PS-42E85L
84
U1_5C
4580M
+RVCC
84
U4_5C
LM393
PGND PGND
1
3
C13_5
100n
C14_5
100n
LD3_5
YEL
C17_5
100n
MID (FREQ=100Hz-8K)
B50K
D1_5
BAS316
(LOGIC=2.0V or 0.5V)
84
U2_5C
4580M
3
2
C10_5
152(M)
VR3_5B
500KC
LOGIC
R1_5
10K
C15_5
100n
C16_5
100n
C5_5
R11_5
5K1
U2_5A
4580M
R23_5
2K2
LOGIC
R22_5
6K2
22P
6
5
1
-RVCC
U1_5B
4580M
R29_5
100K
U3_5A
4580M
R2_5
10K
PGND
7
2
3
C7_5
6.8n(M)
C11_5
33n(M)
R24_5
5K6
R31_5
100K
4148
D2_5
EQ HI (12K)
VR1_5
B50K
VR4_5
B50K
LO (80Hz)
PGND
1
D3_5
4148
C20_5
1uF
PGND PGND
R5_5
3K9
R3_5
10K
R33_5
10K
PGND
C8_5
6.8n(M)
C12_5
33n(M)
R25_5
5K6
R32_5
82R
+RVCC
+RVCC
R30_5
8K2
R34_5
10K
R38_5
10K
C6_5
22P
R7_5
1M
2
3
5
6
3
2
U4_5A
393
U4_5B
R35_5
10K
8
4
U1_5A
4580M
393
7
1
PGND
R36_5
4K7
47uF
1
C3_5
PS-22E85L-2
R39_5
27K
C22_5
1uF
C21_5
470P
SW2_5B
4
6
LEVEL
TR3_5
7002
5
VR10_5A
+RVCC
TR1_5
HR
10KD
PGND
R26_5
3K3
LD2_5
RED
D4_5
4148
R8_5
5K1
綠紅
R51_5
1K
R40_5
5K1
1
3
LD4_5
LED-2P
6
5
PS-22E85L-2
SW2_5A
MUTE
R4_5
10K
C9_5
22P
R20_5
10K
7
C4_5
U2_5B
47uF
4580M
2
PGND
DIR-OUT5
SW6_5B
PS-42E85L
5
SW1_5A
PS-22E85L
2
SW1_5B
PS-22E85L
5
AUX1/2 PRE/POST
R41_5
4K7
W50K
VR9_5
4K7
R42_5
4
6
1
3
4
6
R16_5
5K1
R17_5
5K1
R18_5
5K1
R19_5
5K1
R9_5
5K1
R10_5
5K1
R12_5
5K1
R13_5
5K1
R14_5
5K1
R15_5
5K1
R27_5
6K8
R28_5
6K8
SW5_5A
PS-22E85L
2
SW5_5B
PS-22E85L
5
SW3_5A
PS-22E85L
2
SW3_5B
PS-22E85L
5
SW4_5A
PS-22E85L
2
SW4_5B
PS-22E85L
5
SW6_5C
PS-42E85L
8
SW6_5D
PS-42E85L
11
AUX-POST
VR7_5
W50K
AUX-PRE
VR5_5
W50K
1
3
4
6
1
3
4
6
1
3
4
6
7
9
10
12
AUX-POST
VR8_5
W50K
AUX-PRE
VR6_5
W50K
LEFT-BUS
RIGHT-BUS
SUB1
SUB2
SUB3
SUB4
AFL-L
AFL-R
SOLO(PFL)
AUX3
AUX4
AUX1
AUX2
D
C
B
A
Titel
MAIN INPUT STAGE
PCB# PM12MN1.PCB
Size
A3
Date:
1 2 3 4 5 6 78
File:
19-Feb-2005
CH5.Sch
ALTO PM12
Sheet
Drawn By:
RevisionModel No:
KEVIN LIN.
VER030319
85of
A
7654321
18
8
PM12MN1 (CH6)
DIR-OUT6
PAN
R41_6
4K7
W50K
VR9_6
4K7
R42_6
4
6
1
3
4
6
R16_6
5K1
R17_6
5K1
R18_6
5K1
R19_6
5K1
R9_6
5K1
R10_6
5K1
R12_6
5K1
R13_6
5K1
R14_6
5K1
R15_6
5K1
R27_6
6K8
R28_6
6K8
SW5_6A
PS-22E85L
2
SW5_6B
PS-22E85L
5
SW3_6A
PS-22E85L
2
SW3_6B
PS-22E85L
5
SW4_6A
PS-22E85L
2
SW4_6B
PS-22E85L
5
SW6_6C
PS-42E85L
8
SW6_6D
PS-42E85L
11
AUX-POST
VR7_6
W50K
AUX-PRE
VR5_6
W50K
1
3
4
6
1
3
4
6
1
3
4
6
7
9
10
12
AUX-POST
VR8_6
W50K
AUX-PRE
VR6_6
W50K
LEFT-BUS
RIGHT-BUS
SUB1
SUB2
SUB3
SUB4
AFL-L
AFL-R
SOLO(PFL)
AUX3
AUX4
AUX1
AUX2
D
C
B
D
C2_6
VR2_6
47uF
PRECH6
PRECH6
C1_6
682(M)
VR3_6A
500KC
C
PGND
+VCC
B
-VCC
R6_6
3K
R21_6
6K2
(SOLO)
2
SW6_6A
PS-42E85L
84
U1_6C
4580M
+RVCC
84
U4_6C
LM393
PGND PGND
1
3
C13_6
100n
C14_6
100n
LD3_6
YEL
C17_6
100n
MID (FREQ=100Hz-8K)
B50K
D1_6
BAS316
(LOGIC=2.0V or 0.5V)
84
U2_6C
4580M
3
2
C10_6
152(M)
VR3_6B
500KC
LOGIC
R1_6
10K
C15_6
100n
C16_6
100n
C5_6
R11_6
5K1
U2_6A
4580M
R23_6
2K2
LOGIC
R22_6
6K2
22P
6
5
1
-RVCC
U1_6B
4580M
R29_6
100K
U3_5B
4580M
R2_6
10K
PGND
7
6
5
C7_6
6.8n(M)
C11_6
33n(M)
R24_6
5K6
R31_6
100K
4148
D2_6
EQ HI (12K)
VR1_6
B50K
VR4_6
B50K
LO (80Hz)
PGND
7
D3_6
4148
C20_6
1uF
PGND PGND
R5_6
3K9
R3_6
10K
R33_6
10K
PGND
C8_6
6.8n(M)
C12_6
33n(M)
R25_6
5K6
R32_6
82R
R30_6
8K2
+RVCC
+RVCC
R34_6
10K
R38_6
10K
C6_6
22P
R7_6
1M
2
3
5
6
3
2
U4_6A
393
U4_6B
393
R35_6
10K
8
4
U1_6A
4580M
7
1
R36_6
4K7
1
PGND
C3_6
47uF
R39_6
27K
C22_6
1uF
PS-22E85L-2
SW2_6B
4
6
TR3_6
7002
C21_6
470P
5
TR1_6
HR
VR10_6A
10KD
LEVEL
+RVCC
PGND
R8_6
5K1
R26_6
3K3
LD2_6
RED
D4_6
4148
綠紅
R51_6
1K
R40_6
5K1
1
3
LD4_6
LED-2P
6
5
MUTE
C9_6
22P
R20_6
10K
7
C4_6
U2_6B
47uF
4580M
PS-22E85L-2
SW2_6A
2
PGND
SW6_6B
PS-42E85L
R4_6
10K
5
PS-22E85L
SW1_6B
PS-22E85L
AUX1/2 PRE/POST
SW1_6A
2
5
A
A
Titel
MAIN INPUT STAGE
PCB# PM12MN1.PCB
Size
A3
Date:
1 2 3 4 5 6 78
File:
19-Feb-2005
CH6.Sch
ALTO PM12
Sheet
Drawn By:
RevisionModel No:
KEVIN LIN.
VER030319
86of
7654321
19
8
PM12MN1 (CH7)
DIR-OUT7
PAN
R41_7
4K7
W50K
VR9_7
4K7
R42_7
4
6
1
3
4
6
R16_7
5K1
R17_7
5K1
R18_7
5K1
R19_7
5K1
R9_7
5K1
R10_7
5K1
R12_7
5K1
R13_7
5K1
R14_7
5K1
R15_7
5K1
R27_7
6K8
R28_7
6K8
SW5_7A
PS-22E85L
2
SW5_7B
PS-22E85L
5
SW3_7A
PS-22E85L
2
SW3_7B
PS-22E85L
5
SW4_7A
PS-22E85L
2
SW4_7B
PS-22E85L
5
SW6_7C
PS-42E85L
8
SW6_7D
PS-42E85L
11
AUX-POST
VR7_7
W50K
AUX-PRE
VR5_7
W50K
1
3
4
6
1
3
4
6
1
3
4
6
7
9
10
12
AUX-POST
VR8_7
W50K
AUX-PRE
VR6_7
W50K
LEFT-BUS
RIGHT-BUS
SUB1
SUB2
SUB3
SUB4
AFL-L
AFL-R
SOLO(PFL)
AUX3
AUX4
AUX1
AUX2
D
C
B
D
C2_7
VR2_7
47uF
PRECH7
PRECH7
C1_7
682(M)
R21_7
6K2
(SOLO)
2
SW6_7A
PS-42E85L
84
U1_7C
4580M
+RVCC
84
U4_7C
LM393
R6_7
3K
1
3
C13_7
100n
C14_7
100n
PGNDPGND
LD3_7
YEL
C17_7
100n
VR3_7A
500KC
C
PGND
+VCC
B
-VCC
MID (FREQ=100Hz-8K)
B50K
D1_7
BAS316
(LOGIC=2.0V or 0.5V)
84
U2_7C
4580M
3
2
C10_7
152(M)
VR3_7B
500KC
LOGIC
R1_7
10K
C15_7
100n
C16_7
100n
C5_7
R11_7
5K1
U2_7A
4580M
R23_7
2K2
LOGIC
R22_7
6K2
22P
6
5
1
-RVCC
U1_7B
4580M
R29_7
100K
U3_7A
4580M
R2_7
10K
PGND
7
2
3
C7_7
6.8n(M)
C11_7
33n(M)
R24_7
5K6
R31_7
100K
4148
D2_7
EQ HI (12K)
VR1_7
B50K
VR4_7
B50K
LO (80Hz)
PGND
1
D3_7
4148
C20_7
1uF
PGND PGND
R5_7
3K9
R3_7
10K
R33_7
10K
PGND
C8_7
6.8n(M)
C12_7
33n(M)
R25_7
5K6
R32_7
82R
R30_7
8K2
+RVCC
+RVCC
R34_7
10K
R38_7
10K
C6_7
R7_7
2
3
5
6
3
2
U4_7A
393
22P
1M
R35_7
8
4
U1_7A
4580M
U4_7B
393
10K
7
1
R36_7
4K7
1
PGND
C3_7
47uF
27K
R39_7
C22_7
1uF
PS-22E85L-2
SW2_7B
4
6
TR3_7
7002
C21_7
470P
5
VR10_7A
TR1_7
HR
10KD
+RVCC
PGND
R8_7
5K1
LEVEL
R26_7
3K3
LD2_7
RED
D4_7
4148
綠紅
R51_7
1K
R40_7
1
3
LD4_7
LED-2P
6
5
5K1
MUTE
C9_7
22P
R20_7
10K
7
C4_7
U2_7B
47uF
4580M
PS-22E85L-2
SW2_7A
2
PGND
SW6_7B
PS-42E85L
R4_7
10K
5
PS-22E85L
SW1_7B
PS-22E85L
AUX1/2 PRE/POST
SW1_7A
2
5
A
A
Titel
MAIN INPUT STAGE
PCB# PM12MN1.PCB
Size
A3
Date:
1 2 3 4 5 6 78
File:
19-Feb-2005
CH7.Sch
ALTO PM12
Sheet
Drawn By:
RevisionModel No:
KEVIN LIN.
VER030319
87of
7654321
20
8
PM12MN1 (CH8)
D
C2_8
VR2_8
47uF
PRECH8
PRECH8
C1_8
682(M)
VR3_8A
500KC
C
PGND
+VCC
B
-VCC
R6_8
3K
R21_8
6K2
(SOLO)
2
SW6_8A
PS-42E85L
84
U1_8C
4580M
+RVCC
84
U4_8C
LM393
PGND PGND
1
3
C13_8
100n
C14_8
100n
LD3_8
YEL
C17_8
100n
MID (FREQ=100Hz-8K)
B50K
D1_8
BAS316
(LOGIC=2.0V or 0.5V)
84
U2_8C
4580M
3
2
C10_8
152(M)
VR3_8B
500KC
LOGIC
R1_8
10K
C15_8
100n
C16_8
100n
C5_8
R11_8
5K1
U2_8A
4580M
R23_8
2K2
LOGIC
R22_8
6K2
22P
6
5
1
-RVCC
U1_8B
4580M
R29_8
100K
U3_7B
4580M
R2_8
10K
PGND
7
6
5
C7_8
6.8n(M)
C11_8
33n(M)
R24_8
5K6
R31_8
100K
4148
D2_8
EQ HI (12K)
VR1_8
B50K
VR4_8
B50K
LO (80Hz)
PGND
7
D3_8
4148
C20_8
1uF
PGND PGND
R5_8
3K9
R3_8
10K
R33_8
10K
PGND
C8_8
6.8n(M)
C12_8
33n(M)
R25_8
5K6
R32_8
82R
R30_8
8K2
+RVCC
+RVCC
R34_8
10K
R38_8
10K
C6_8
22P
R7_8
1M
2
3
5
6
3
2
U4_8A
393
R35_8
10K
8
4
U1_8A
4580M
U4_8B
393
7
1
PGND
R36_8
4K7
47uF
1
C3_8
R39_8
27K
C22_8
1uF
PS-22E85L-2
SW2_8B
4
6
TR3_8
7002
C21_8
470P
5
+RVCC
TR1_8
HR
R8_8
5K1
LEVEL
10KD
VR10_8A
R26_8
3K3
LD2_8
RED
D4_8
4148
綠紅
R51_8
1K
PGND
1
3
LD4_8
LED-2P
6
5
R40_8
5K1
PS-22E85L-2
MUTE
SW2_8A
R4_8
10K
2
U2_8B
4580M
C9_8
22P
PGND
5
SW1_8B
PS-22E85L
AUX1/2 PRE/POST
R20_8
10K
7
C4_8
47uF
DIR-OUT8
SW6_8B
PS-42E85L
SW1_8A
PS-22E85L
2
5
PAN
R41_8
4K7
W50K
VR9_8
4K7
R42_8
4
6
1
3
4
6
R16_8
5K1
R17_8
5K1
R18_8
5K1
R19_8
5K1
R9_8
5K1
R10_8
5K1
R12_8
5K1
R13_8
5K1
R14_8
5K1
R15_8
5K1
R27_8
6K8
R28_8
6K8
SW5_8A
PS-22E85L
2
SW5_8B
PS-22E85L
5
SW3_8A
PS-22E85L
2
SW3_8B
PS-22E85L
5
SW4_8A
PS-22E85L
2
SW4_8B
PS-22E85L
5
SW6_8C
PS-42E85L
8
SW6_8D
PS-42E85L
11
AUX-POST
VR7_8
W50K
AUX-PRE
VR5_8
W50K
1
3
4
6
1
3
4
6
1
3
4
6
7
9
10
12
AUX-POST
VR8_8
W50K
AUX-PRE
VR6_8
W50K
LEFT-BUS
RIGHT-BUS
SUB1
SUB2
SUB3
SUB4
AFL-L
AFL-R
SOLO(PFL)
AUX3
AUX4
AUX1
AUX2
D
C
B
A
A
Titel
MAIN INPUT STAGE
PCB# PM12MN1.PCB
Size
A3
Date:
1 2 3 4 5 6 78
File:
19-Feb-2005
CH8.Sch
ALTO PM12
Sheet
Drawn By:
RevisionModel No:
KEVIN LIN.
VER030319
88of
7654321
21
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
R101
1K50
R95
R103
1K50
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
C6
10N
HR
R88
470R
TR21
A1316
C39
1n
-VCC
-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
R124
5K11
C85
0.22u/50V
6
5
U4A
4580M
C54
22P
R128
5K11
C87
0.22u/50V
6
5
1
U2B
4580M
1
U4B
4580M
C99
47u/25V
C93
0.22u/50V
R199
6K8
7
C101
47u/25V
C94
0.22u/50V
R200
6K8
7
R65
20K
47u/25V
R67
20K
47u/25V
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
R105
1K50
R99
R107
1K50
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
C8
10N
HR
R90
470R
TR23
A1316
C41
1n
-VCC
-VCC
TR10
HR
R33
2K49
TR12
HR
R38
2K49
R30
2K49
R35
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
R132
5K11
C89
0.22u/50V
6
5
U8A
4580M
C62
22P
R136
5K11
C91
0.22u/50V
6
5
1
U6B
4580M
1
U8B
4580M
C103
47u/25V
C95
0.22u/50V
R201
6K8
7
C105
47u/25V
C96
0.22u/50V
R202
6K8
7
R69
20K
47u/25V
R71
20K
47u/25V
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
22
8
PH PWR
R73
6K81
R9
1
X28
JY-5042-030G
X29
JY-6351G-02-250
X30
JY-5042-030G
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
LINE IN5
MIC GAIN=-10~-60dB
LINE IN GAIN=+10~-40dB
MIC 6
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
R142
R141
6K34
R109
6K81
C115
47u/63V
R152
6K34
R151
6K34
47u/63V
6K34
R213
1K50
47u/63V
R215
1K50
C114
C168
-VCC
-VCC
C173
10N
R221
20K
C181
1n
2K49
C175
10N
R224
20K
C183
1n
R240
2K49
R233
+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
TR30
HR
R235
2K49
TR33
HR
R243
2K49
R236
2K49
R244
2K49
+VCC
C189
1000u/10V
O10K
4R7
+VCC
C190
1000u/10V
VR6
O10K
4R7
VR5
R39
R43
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
5K11
U18A
4580M
C198
22P
R273
5K11
R269
R270
5K11
U16B
4580M
R274
5K11
U18B
4580M
R271
1
7
1
7
C195
22P
5K11
R285
10K0
R286
10K0
C199
22P
R275
5K11
R288
10K0
R287
10K0
C212
0.22u/50V
3
2
R297
1K3
C209
0.22u/50V
R293
62K
3
2
R298
1K3
R294
62K
U17A
4580M
C196
22P
5K11
C210
0.22u/50V
6
5
U19A
4580M
C201
22P
5K11
C213
0.22u/50V
6
5
R272
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
PRECH5
INSERT5
3c
R
4d
RN
2b
TN
1a
T
5e
S
JY-6351G-02-250
PRECH6
PRECH6
INSERT6
3c
R
4d
RN
2b
TN
1a
T
5e
S
JY-6351G-02-250
X13
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
JY-5042-030G
X33
JY-6351G-02-250
X34
JY-5042-030G
X35
JY-6351G-02-250
3
2
4
3c
4d
2b
1a
5e
1
3
2
4
3c
4d
2b
1a
5e
MIC 7
B
LINE IN7
MIC 8
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
R175
6K34
R172
6K34
R140
6K81
C171
47u/63V
R182
6K34
R181
6K34
C169
47u/63V
R217
1K50
C172
47u/63V
R219
1K50
-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
TR37
HR
R253
2K49
TR38
HR
R259
2K49
R245
2K49
R254
2K49
+VCC
C191
1000u/10V
VR7
O10K
4R7
+VCC
C192
1000u/10V
VR8
O10K
4R7
R59
R60
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
C206
22P
5K11
C216
0.22u/50V
6
5
U23A
4580M
C207
22P
5K11
C219
0.22u/50V
6
5
R282
R283
1
U21B
4580M
1
U23B
4580M
C224
47u/25V
C217
0.22u/50V
R303
6K8
7
C226
47u/25V
R229
C220
0.22u/50V
R304
6K8
7
R230
20K
C227
47u/25V
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
PRECH7
INSERT7
3c
R
4d
RN
2b
TN
1a
T
5e
S
JY-6351G-02-250
PRECH8
PRECH8
INSERT8
3c
R
4d
RN
2b
TN
1a
T
5e
S
JY-6351G-02-250
X15
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
23
8
D
C
B
A
R163
100P
C153
100P
100P
100P
C160
100P
C161
100P
C162
100P
C163
100P
10K0
R164
10K0
C65
22P
SW5A
PS-22E85L
R165
10K0
R166
10K0
C66
22P
SW5B
PS-22E85L
R183
10K0
R185
10K0
C78
22P
SW6A
PS-22E85L
R187
10K0
R189
10K0
C80
22P
SW6B
PS-22E85L
STEREO AUX
RETURN3
LEFT 1
(MONO / MASTER)
RIGHT 1
STEREO AUX
RETURN4
LEFT 2
RIGHT 2
R205
2K
R206
2K
R209
2K
R210
2K
JY-6351G-02-250
JY-6351G-02-250
JY-6351G-02-250
JY-6351G-02-250
3c
R
4d
RN
2b
LINE IN 9
LEFT(MONO)
LINE IN 10
RIGHT
1a
5e
X10
JY-6351G-02-250
3c
4d
2b
1a
5e
X11
JY-6351G-02-250
TN
T
S
R
RN
TN
T
S
C152
C154
C155
3c
R
4d
RN
2b
X15
X16
X17
X18
TN
1a
T
5e
S
3c
R
4d
RN
2b
TN
1a
T
5e
S
3c
4d
2b
1a
5e
3c
4d
2b
1a
5e
3c
4d
2b
1a
5e
3c
4d
2b
1a
5e
AUX-RTN1-L
AUX-RTN1-R
AUX-RTN2-L
AUX-RTN2-R
LINE IN 11
LEFT(MONO)
X12
JY-6351G-02-250
LINE IN 12
RIGHT
X13
JY-6351G-02-250
STEREO AUX
RETURN1
LEFT 1
(MONO / MASTER)
JY-6351G-02-250
RIGHT 1
JY-6351G-02-250
STEREO AUX
RETURN2
LEFT 2
JY-6351G-02-250
RIGHT 2
JY-6351G-02-250
1 2 3 4 5 6 78
C71
22P
2
3
R173
10K0
(LEVEL +4dBu/-10dBv)
C72
22P
6
5
R176
10K0
(LEVEL +4dBu/-10dBv)
C77
22P
2
3
R186
10K0
(LEVEL +4dBu/-10dBv)
C79
22P
6
5
R190
10K0
(LEVEL +4dBu/-10dBv)
3c
4d
2b
1a
5e
X19
3c
4d
2b
1a
5e
X20
3c
4d
2b
1a
5e
X21
3c
4d
2b
1a
5e
X22
R171
10K0
U11A
4580M
R174
10K0
U11B
4580M
R184
10K0
U13A
4580M
R188
10K0
U13B
4580M
47u/25V
1
47u/25V
7
47u/25V
1
47u/25V
7
AUX-RTN3-L
AUX-RTN3-R
DFXOUT-L
AUX-RTN4-L
DFXOUT-R
AUX-RTN4-R
C109
C110
C116
C117
PRECH9
R77
20K
PRECH10
R78
20K
PRECH11
R79
20K
PRECH12
R80
20K
C7
470u/25V
L1
1uH
PH PWR +5VD
C8
470u/25V
+VCC-VCC
L2
1uH
PGNDGND
AUX-SEND1
AUX-SEND2
AUX-SEND3
AUX-SEND4
(TO PM12MN2)
DGND
R111
120R
R112
120R
R113
120R
R114
120R
R1
120R
R8
120R
R4
120R
R9
120R
PS-42E85L
20040902 R349,9348
R
RN
TN
T
S
R
RN
TN
T
S
R
RN
TN
T
S
R
RN
TN
T
S
MAIN-R -2
MAIN-R -3
MAIN-L -2
MAIN-L -3
SW1A
P
SW1B
PS-42E85L
MAIN-L -2
發變更修改
3c
4d
2b
1a
5e
X23
JY-6351G-02-250
3c
4d
2b
1a
5e
X24
JY-6351G-02-250
3c
4d
2b
1a
5e
X25
JY-6351G-02-250
3c
4d
2b
1a
5e
X26
JY-6351G-02-250
R14
120R
1
2
3
R15
120R
R13
120R
4
5
6
R23
5K1
R19
120R
10u/63V
改成
6K8 82K
LIMITER
10u/63V
CN1
2.5-8P
1
2
3
4
5
6
7
8
CN8
2.5-8P
1
2
3
4
5
6
7
8
MAIN-R -2
C164
C165
R21
5K1
AUX SEND1
AUX SEND2
AUX SEND3
AUX SEND4
PS-42E85L
PS-42E85L
2
R348
3
82K
6
R349
5
82K
7
8
9
P
SW1C
10
11
12
P
SW1D
C166
680P
D2
D1
5V1 300MW
5V1 300MW
R350
10K
U26A
4580M
C167
680P
D4
D3
5V1 300MW
5V1 300MW
R351
10K
R16
120R
R17
120R
R18
120R
R24 5K1
R20
120R
U26B
4580M
SUB OUT1
3c
R
4d
R10
120R
SUB1-L
R12
120R
R6
120R
R7
120R
R5
120R
R11
120R
R22
5K1
1
CN9
1
2
3
CON3
7
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
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
2
3
1
X30
JY-5030-030G
2
3
1
X29
JY-5030-030G
TAPE IN TAPE OUT
L(WHITE)
R(RED)
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
X33
SUB1 INSERT
X37
MAIN R (UNBAL)
X32
MAIN L (UNBAL)
X31
MAIN OUT
(BALANCED)
RIGHT
LEFT
X14
SCP6873NS3232
1 4
2 5
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
R25
120R
SUB2-R
R26
120R
MAIN-INS -L
MAIN-R T N-R 3c
MAIN-INS -R
R203
1K
R204
6
1K
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
CN2.0-8P
R2
120R
R3
120R
1
2
3
4
5
6
7
8
MAIN-L -2
MAIN-R -2
2TK-IN-L
2TK-IN-R
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-R T N-L
MAIN-R T N-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-R T N-L
MAIN-R T N-R
MAIN-L -2
MAIN-L -3
MAIN-R -2
MAIN-R -3
1
2
3
4
5
C97
22P
R161
10K
C98
22P
R162
10K
SUB3-L
R33
30K
2
3
6
5
R27
120R
R28
120R
DFXOUT-RMAIN-R T N-L 3c
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
R
RN
TN
T
S
DFX OUTPUT
3c
4d
2b
1a
5e
JY-6351G-02-250
FOOTSWITCH
3c
4d
2b
1a
5e
JY-6351G-02-250
R34
3K6
2
3
6
5
C142
100N
C147
100N
X35
JY-6351G-02-250
SUB3 INSERT
3c
4d
2b
1a
5e
X39
JY-6351G-02-250
X1
X2
C4
22P
6
5
U1B
4580M
U25A
BA15218N
U25B
BA15218N
C144
C146
100N
100N
C149
C151
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)
CN7
CN3.9-4P
+VCC
-VCC
INPUT STAGE STEREO
PCB# PM12PU2.PCB
ALTO PM12
8-Mar-2005
PM12PU2.Sch
PM12PU2
R29
120R
R30
120R
R115
120R
R116
120R
R117
120R
R118
120R
R32
120R
120R
U11C
4580M
1
2
3
4
R31
84
84
U25C
BA15218N
RN
TN
T
S
3c
4d
2b
1a
5e
JY-6351G-02-250
3c
4d
2b
1a
5e
JY-6351G-02-250
84
U13C
4580M
C107
47u/25V
C108
47u/25V
SUB OUT4
3c
R
4d
RN
2b
TN
1a
T
5e
S
R
RN
TN
T
S
CTRL ROOM OUT
3c
4d
2b
1a
5e
JY-6351G-02-250
3c
4d
2b
1a
5e
JY-6351G-02-250
X36
JY-6351G-02-250
SUB4 INSERT
3c
4d
2b
1a
5e
X40
JY-6351G-02-250
X27
X28
MONO
3c
4d
2b
1a
5e
X5
JY-6351G-02-250
PHONES1
X3
PHONES2
X4
84
U1C
U26C
4580M
4580M
C140
100N
C141
100N
RevisionModel No:
Sheet
Drawn By:
VER030220
KEVIN LIN.
D
LEFT
RIGHT
C
B
84
A
22of
321
24
4
(TO PM12PU2)
STEREO CH9-12
PM12MN2.S01
D
MAIN SECT IO N
PM12MN2.S02
PRECH9
PRECH10
+VCC
-VCC
PRECH11
PRECH12
PRECH9
PRECH10
PRECH11
PRECH12
CN9
1
2
3
4
5
6
7
8
CON8
AUX-SEND1
AUX-SEND2
AUX-SEND3
DFX SEND
CTRL-R-L
CTRL-R-R
PHONES-R
PHONES-L
AUX-SEND1
AUX-SEND2
AUX-SEND3
DFX SEND
CTRL-R-L
CTRL-R-R
PHONES-R
PHONES-L
(TO PM12PU2)
CN21
1
2
3
4
5
6
7
8
CON8
PM12MN2
D
(TO PM12PU2)
CN2
AUX-RTN1-L
AUXSEND
PM12MN2.S03
C
AUXRTN
PM12MN2.S04
CTRMETER
PM12MN2.S05
B
PM12 UDSP
PM12MN2.S06
A
1 2 34
AUX-RTN1-R
AUX-RTN2-L
AUX-RTN2-R
AUX-RTN3-L
AUX-RTN3-R
AUX-RTN4-L
AUX-RTN4-R
AUX-RTN1-L
AUX-RTN1-R
AUX-RTN2-L
AUX-RTN2-R
AUX-RTN3-L
AUX-RTN3-R
AUX-RTN4-L
AUX-RTN4-R
AUX-1
AUX-2
AUX-3
AUX-4
SUB1
SUB2
SUB3
SUB4
LEFT-BUS
RIGHT-BUS
SOLO(PFL)
AFL-L
AFL-R
LOGIC
+RVCC
PGND
PGND
-RVCC
1
2
3
4
5
6
7
8
CON8
(TO PM12MN1)
CN10
1
2
3
4
CON4
(TO PM12MN1)
CN5
1
2
3
4
5
6
7
8
9
10
11
12
13
14
CON14
MAIN-IN S -L
MAIN-IN S -R
FOOTSW
DFXOUT-L
DFXOUT-R
SUB1-L
SUB2-R
SUB3-L
SUB4-R
2TK-IN-L
2TK-IN-R
MAIN-RT N-L
MAIN-RT N-R
MAIN-L-2
MAIN-L-3
MAIN-R-2
MAIN-R-3
MAIN-INS-L
MAIN-INS-R
FOOTSW
DFXOUT-L
DFXOUT-R
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
(TO PM12PU2)
CN4
1
2
3
4
5
CON5
(TO PM12PU2)
CN20
1
2
3
4
5
6
7
8
9
10
11
12
CON12
Titel
Size
Date:
File:
A4
(TO POWER)
LD36
GR
DGND
+5VD
+VCC
PGND
-VCC
GND
PH PWR
R592
+RVCC
0R
C399
47u/25V
C400
-RVCC
47u/25V
R593
0R
20040902 R592,R593
發變更移除
直接短路
MAIN INPUT STAGE
PCB# L12MN1.PCB
ALTO PM12
8-Mar-2005
PM12MN2.Sch
CN7
1
2
CON2
(TO PM12PU2)
CN1
2.5-8P
1
2
3
4
5
6
7
8
C401
47u/25V
C402
47u/25V
RevisionModel No:
Sheet
Drawn By:
C
B
A
VER031030
70of
Bao .
7654321
25
8
CH9-12 (STEREO)
12K
12K
12K
12K
5K1
5K1
R220
12K
R221
12K
R222
12K
R223
12K
R218
5K1
R219
5K1
SW21A
PS-22E85L
2
SW21B
PS-22E85L
5
SW23A
PS-22E85L
2
SW23B
PS-22E85L
5
VR30
W50K
SW22A
PS-22E85L
2
SW22B
PS-22E85L
5
SW24A
PS-22E85L
2
SW24B
PS-22E85L
5
VR34
W50K
ALTO PM12
VR31
W50K
VR35
W50K
1
3
4
6
1
3
4
6
1
3
4
6
1
3
4
6
SUB1
SUB2
SUB3
SUB4
AUX-3
AUX-4
SUB1
SUB2
SUB3
SUB4
AUX-3
AUX-4
Sheet
Drawn By:
Titel
Size
Date:
File:
R205
R206
R207
R208
R212
R213
MAIN INPUT STAGE (CH9-CH12)
PCB# L12MN1.PCB
A2
8-Mar-2005
PM12MN2.S01
RevisionModel No:
Bao.
D
C
B
A
VER031030
71of
SW25A
PS-22E85L
2
SW25B
PS-22E85L
5
SW19C
PS-42E85L
8
SW19B
PS-42E85L
5
SW19A
PS-42E85L
2
VR28
W50K
SW26A
PS-22E85L
2
SW26B
PS-22E85L
5
SW20C
PS-42E85L
8
SW20B
PS-42E85L
5
SW20A
PS-42E85L
2
VR32
W50K
PM12
1
3
LEFT-BUS
4
6
RIGHT-BUS
7
9
AFL-L
4
6
AFL-R
1
3
SOLO(PFL)
AUX-1
AUX-2
VR29
W50K
1
3
LEFT-BUS
4
6
RIGHT-BUS
7
9
AFL-L
4
6
AFL-R
1
3
SOLO(PFL)
AUX-1
AUX-2
VR33
W50K
R201
5K1
VR24A
EQ HI (12KHz)
B50K
R171
R172
200K
200K
PGND
R173
R174
1
7
1
7
R139
1K8
R183
1M
R175
6K8
VR27A
B50K
LO(80Hz)
R143
1K8
R185
1M
R177
6K8
VR27B
B50K
LO(80Hz)
R147
1K8
R179
6K8
VR43A
B50K
LO(80Hz)
R148
1K8
R181
6K8
VR43B
B50K
LO(80Hz)
+RVCC
-RVCC
C78
2
3
MID-LO(500Hz)
R138
1K8
6
5
MID-LO(500Hz)
R142
1K8
2
3
MID-LO(500Hz)
R146
1K8
6
5
MID-LO(500Hz)
R152
1K8
84
U20C
4580M
22P
U12A
4580M
C87
22P
U12B
4580M
C135
100n
C136
100n
200K
200K
C109
22P
U14A
4580M
C117
22P
U14B
4580M
R153
R133
220K
R137
1K8
C77
12n(M)
R134
220K
R141
1K8
C86
12n(M)
R135
220K
R145
1K8
C108
12n(M)
R136
220K
R151
1K8
C116
12n(M)
C129
100n
10K
C75
1n(M)
C76
12n(M)
R167
22K
R158
10K
C84
1n(M)
C85
12n(M)
R168
22K
C106
1n(M)
C107
12n(M)
C114
1n(M)
C115
12n(M)
LM393
VR24B
B50K
R160
10K
R169
22K
R161
10K
R170
22K
84
U19C
VR25A
B50K
VR25B
B50K
VR40A
B50K
VR40B
B50K
EQ HI (12KHz)
EQ HI (12KHz)
VR41A
B50K
EQ HI (12KHz)
VR41B
B50K
C130
100n
D
PRECH9
PRECH10
C
SW19D
PS-42E85L
11
PGND
B
SW20D
PS-42E85L
11
PGND
A
1 2 3 4 5 6 78
LD5
YEL
10
12
D5
BAS316
(LOGIC=2.0V or 0.5V)
LD6
YEL
(SOLO)
10
12
LOGIC
D6
BAS316
(LOGIC=2.0V or 0.5V)
(SOLO)
LOGIC
R234
2K2
R233
2K2
PRECH11
PRECH12
LOGIC
LOGIC
-RVCC
C73
47u/25V
C74
47u/25V
-RVCC
47u/25V
47u/25V
C104
C105
84
U18C
LM393
R187
1M
R190
1M
R191
12K
R192
12K
R193
R194
12K
12K
C79
3.3n(M)
1K8
VR26A
B50K
HI-MID(3KHz)
C80
3.3n(M)
R195
47K
R176
6K8
C81
47n(M)
C88
3.3n(M)
1K8
VR26B
B50K
HI-MID(3KHz)
C89
3.3n(M)
R196
47K
R178
6K8
C90
47n(M)
C110
3.3n(M)
VR42A
B50K
HI-MID(3KHz)
C111
3.3n(M)
R197
47K
47n(M)
C118
3.3n(M)
VR42B
B50K
HI-MID(3KHz)
C119
3.3n(M)
R198
47K
47n(M)
R140
R144
1K8
R180
6K8
C112
1K8
R182
6K8
C120
R149
R150
R184
1M
2
3
R186
1M
6
5
R188
1M
2
3
R189
1M
6
5
C82
22P
U13A
4580M
C91
22P
U13B
4580M
U15A
4580M
U15B
4580M
+VCC
-VCC
C113
22P
C121
22P
+RVCC
1
7
+RVCC
C83
47u/25V
C92
47u/25V
1
47u/25V
7
47u/25V
LD7
RED
R199
3K3
R154
8K2
PS-42E85L
R159
8K2
PGND PGND PGND
R200
3K3
C122
R162
8K2
R163
8K2
U20A
C123
4580M
84
U13C
4580M
7
9
SW17B
PS-42E85L
4
6
MUTE
SW17A
1
3
R235
100K
6
5
R239
100K
7
9
LD8
RED
PS-42E85L
SW18B
4
6
MUTE
PS-42E85L
SW18A
1
3
R237
100K
2
3
PGND
C137
100n
C138
100n
SW17C
PS-42E85L
5
R17
8K2
R18
8K2
2
PGND
D7
4148
U20B
4580M
SW18C
PS-42E85L
R19
8K2
R20
8K2
4148
D17
R240
100K
84
U14C
4580M
8
PGND
7
8
PGND
5
2
C124
D8
4148
1
1uF
PGND
D18
4148
C139
100n
C140
100n
VR38A
10KD
LEVEL
VR38B
10KD
LEVEL
R244
20K
PGND
C93
1uF
VR39A
10KD
LEVEL
VR39B
10KD
LEVEL
R238
20K
PGND
U15C
4580M
R253
150R
R242
150R
84
+RVCC
+RVCC
R236
8K2
R248
8K2
R247
10K
R241
10K
+RVCC
+RVCC
C141
100n
C142
100n
5
6
3
2
R254
10K
R256
10K
R669
5
6
3
2
U19A
393
15K
U18B
393
R243
10K
8
U18A
4
R671
15K
R252
8
4
U16C
4580M
393
84
U19B
393
10K
R202
5K1
R670
15K
R255
27K
7
C3
1uF
PGND
1
R246
4K7
R209
5K1
R214
5K1
R672
15K
R249
27K
7
C2
1uF
PGND
1
R251
4K7
C143
100n
C144
100n
2
3
6
5
TR7
7002
C4
2
3
6
5
TR10
7002
84
U17C
4580M
470P
C1
470P
C95
22P
4580M
C94
22P
U16B
4580M
4580M
C145
100n
C146
100n
U16A
TR8
C125
22P
U17A
4580M
C126
22P
U17B
R226
12K
1
R225
12K
7
4148
HR
TR11
HR
C96
47u/25V
D1
PGND
R227
12K
1
R228
12K
7
47u/25V
D2
4148
PGNDPGNDPGND
84
U12C
4580M
C97
47u/25V
R156
10K
R155
10K
AUX1/2 PRE/POST
SW15A
PS-22E85L
2
SW15B
PS-22E85L
5
LD3
LED-2P
綠紅
R245
1K
C127
47u/25V
R165
10K
R164
10K
C128
AUX1/2 PRE/POST
SW16A
PS-22E85L
2
SW16B
PS-22E85L
5
LD4
LED-2P
綠紅
R250
1K
C147
100n
C148
100n
R4
4K7
VR36
W50K
4K7
R3
1
3
4
6
R1
R2
4K7
VR37
W50K
4K7
1
3
4
6
BAL
BAL
R203
12K
R204
12K
R229
15K
R230
15K
R210
R211
R215
R216
R157
10K
5K1
5K1
12K
12K
R231
15K
R232
15K
R217
R224
R166
5K1
5K1
10K
1110987654321
26
12
D
2TK-IN-L
2TK TO MIX
2TK-IN-R
SUB1
C
SUB2
SUB3
B
SUB4
A
+VCC
-VCC
1 2 3 4 5 6 7 8 9 10 11 12
U33C
4580M
U45C
4580M
C325
100n
C326
100n
2TK-IN-L
2TK-IN-R
84
84
C327
100n
C328
100n
U34 U35 U36 U37 U38 U39 U40 U41 U42 U43 U44 U45 U46 U47 U48 U49 U50 U51 U52 U53 U54 U55 U56 U1U33
MAIN MIX
LEFT
C246
22P
C250
22P
C254
22P
C258
22P
U41C
4580M
U53C
4580M
R389
18K
7
C248
47u/25V
R396
18K
7
C252
47u/25V
R403
18K
7
C256
47u/25V
R410
18K
7
C260
47u/25V
84
84
C353
100n
C354
100n
2TK TO CR-L
LEFT-BUS
2TK TO CR-R
RIGHT-BUS
84
U42C
4580M
84
U54C
4580M
C355
100n
C356
100n
C357
100n
C358
100n
R390
10K
R397
10K
R404
10K
R411
10K
4580M
4580M
R391
18K
R392
18K
R398
18K
R399
18K
R405
18K
R406
18K
R412
18K
R413
18K
84
U43C
84
U55C
C359
100n
C360
100n
C361
100n
C362
100n
SW37A
PS-22E85L
SW48A
PS-22E85L
SW38A
PS-22E85L
SW49A
PS-22E85L
SW39A
PS-22E85L
SW50A
PS-22E85L
SW40A
PS-22E85L
SW51A
PS-22E85L
84
U44C
4580M
84
U56C
4580M
C363
100n
C364
100n
SUB1-L
SUB2-R
SUB3-L
SUB4-R
4580M
C365
100n
C366
100n
84
U1C
C241
R378
22P
20K
R380
20K
C247
47u/25V
20K
C251
47u/25V
20K
C255
47u/25V
20K
C259
47u/25V
22K
20K
R673
R379
20K
R381
22K
20K
R674
SUB1
VR66A
10KD
SUB2
VR53A
10KD
SUB3
VR54A
10KD
SUB4
VR55A
10KD
84
U36C
4580M
84
U48C
4580M
C335
C337
100n
100n
C336
C338
100n
100n
2
3
R5
15K
6
5
R6
15K
U37C
4580M
U49C
4580M
C339
100n
C340
100n
84
84
C239
47u/25V
C237
100P
C240
47u/25V
C238
100P
C245
22P
R387
2
3
U34A
4580M
C249
22P
1
R394
2
3
U35A
4580M
C253
22P
1
R401
2
3
U36A
4580M
C257
22P
1
R408
2
3
4580M
84
U34C
4580M
84
U46C
4580M
C329
100n
C330
100n
U37A
C331
100n
C332
100n
1
84
U35C
4580M
84
U47C
4580M
C333
100n
C334
100n
U33A
4580M
C242
22P
U33B
4580M
C341
100n
C342
100n
84
U38C
4580M
84
U50C
4580M
C343
100n
C344
100n
C243
47u/25V
1
R382
10K
C244
47u/25V
7
R383
10K
R388
5K1
R395
5K1
R402
5K1
R409
5K1
4580M
4580M
C345
100n
C346
100n
U39C
U51C
SW36A
PS-22E85L
R384
18K
SW36B
PS-22E85L
R385
18K
6
5
U34B
4580M
6
5
U35B
4580M
6
5
U36B
4580M
6
5
U37B
4580M
84
84
U40C
4580M
84
84
U52C
4580M
C347
C351
C349
100n
100n
100n
C348
C352
C350
100n
100n
100n
MAIN-RTN-L
MAIN OUT
(BALANCED)
MAIN-RTN-R
LEFT-BUS
RIGHT-BUS
SUB1-L
LEFT-BUS
RIGHT-BUS
SUB2-R
LEFT-BUS
RIGHT-BUS
SUB3-L
LEFT-BUS
RIGHT-BUS
SUB4-R
C367
C371
C369
100n
C370
100n
100n
C372
100n
C11
100n
C12
100n
100n
C368
100n
R414
5K1
VR56A
10KD
MAIN MIX
RIGHT
R415
5K1
VR56B
10KD
63HZ-R 250HZ-R 1KHZ-R 4KHZ-R
VR57B
W100K
125HZ-R 500HZ-R 2KHZ-R 8KHZ-R
VR58B
W100K
63HZ-L 250HZ-L 1KHZ-L 4KHZ-L
VR57A
W100K
125HZ-L 500HZ-L 2KHZ-L 8KHZ-L
VR58A
W100K
C261
22P
R418
5K1
R419
5K1
VR61B
W100K
VR62B
W100K
VR61A
W100K
VR62A
W100K
R459
19K1
R463
7K5
R467
30K1
R471
12K1
C263
22P
6
5
C264
22P
6
5
R464
976R
VR63B
W100K
VR64B
W100K
VR63A
W100K
VR64A
W100K
R416
18K
2
3
2
3
U38A
4580M
C262
22P
U39A
4580M
VR59B
W100K
VR60B
W100K
VR59A
W100K
VR60A
W100K
EQ-OPL-B
1
R417
18K
1
U38B
4580M
U39B
4580M
R460
2K43
R468
3K92
C295
0.22uF
C296
0.22uF
R472
1K54
C290
2N2
C292
22N
C293
22N
C294
22N
7
47u/25V
7
47u/25V
16KHZ-R
VR65B
W100K
16KHZ-L
VR65A
W100K
2
3
C291
22N
2
3
2
3
2
3
C265
47u/25V
R422
5K1
C266
C267
47u/25V
R423
5K1
C268
C289
2N2
U48A
4580M
U49A
4580M
U50A
4580M
R458
38K3
R462
15K
R466
60K4
R470
24K3
EQ-VRR-A
EQ-VRR-B
EQ-VRR-C
EQ-VRL-A
EQ-VRL-B
EQ-VRL-C
U51A
4580M
MAIN-L-3
R424
10K
MAIN-L-2
R426
10K
MAIN-R-3
R425
10K
MAIN-R-2
R427
10K
1
1
1
1
LEFT
RIGHT
R461
10K
R465
10K
R469
10K
R473
10K
MAIN-L-3
MAIN-L-2
MAIN-R-3
MAIN-R-2
8KHZ-L
2KHZ-L
500HZ-L
125HZ-L
EQ-OPL-A
LEFT-BUS
RIGHT-BUS
R475
9K76
R479
38K3
R483
15K
R487
6K04
R491
24K3
2
3
6
5
C269
22P
R428
20K
C270
22P
R429
20K
4580M
4580M
R476
1K18
R480
4K75
R484
1K96
0.22uF
R488
787R
R492
3K01
U40A
U40B
C298
2N2
C300
2N2
C302
22N
C304
C306
0.22uF
C297
2N2
2
3
6
5
6
5
6
5
6
5
1
7
C299
2N2
C301
22N
R7
10K
R9
10K
U52A
4580M
R478
76K8
U48B
4580M
R482
30K1
U49B
4580M
0.22uF
R486
12K1
U50B
4580M
C305
0.22uF
U51B
4580M
C303
R474
19K6
R490
48K7
C5
22P
R8
10K
2
3
C9
22P
R10
10K
6
5
C6
47u/25V
1
U1A
4580M
EQ-VRL-A EQ-OPL-A
47u/25V
7
U1B
4580M
EQ-VRR-A EQ-OPR-A
C10
R432
49K9
6
5
U41B
4580M
R431
10K
R433
49K9
6
5
U42B
4580M
9 BAND EQ
EQ-OPR-B
R477
1
7
7
7
7
10K
R481
10K
R485
10K
R489
10K
R493
10K
16KHZ-L
4KHZ-L
1KHZ-L
250HZ-L
63HZ-L
R430
10K
R435
10K
C272
22P
R495
19K1
R499
7K5
R503
30K1
R507
12K1
C271
22P
R434
10K
7
EQ & MAIN
C283
22P
U47A
4580M
7
7
7
7
7
Sheet
Drawn By:
R457
10K
R456
10K
R513
10K
R517
10K
R521
10K
R525
10K
R529
10K
1
7
MAIN-INS-L
C287
47u/25V
MAIN-INS-R
C288
47u/25V
RevisionModel No:
Bao.
16KHZ-R
4KHZ-R
1KHZ-R
250HZ-R
63HZ-R
VER031030
72of
D
C
B
A
C275
R436
EQ-VRL-B
10K
C273
22P
2
3
7
2
3
U41A
4580M
R437
10K
U42A
4580M
C274
22P
1
R438
10K
EQ-VRR-B
1
R439
10K
C307
2N2
R494
38K3
U53A
C308
2
2N2
3
R496
4580M
2K43
C309
22N
R498
C310
15K
22N
U54A
2
3
R500
4580M
976R
C311
22N
R502
60K4
C312
22N
U55A
2
3
R504
4580M
3K92
22P
R440
49K9
2
3
R442
10K
6
5
EQ-OPL-B
R441
49K9
2
3
R443
10K
6
5
EQ-OPR-B
U43A
4580M
U43B
4580M
C276
22P
U44A
4580M
C278
22P
U44B
4580M
C277
22P
1
1
R445
10K
7
EQ-VRL-C
R444
10K
7
EQ-VRR-C
R447
10K
R446
10K
C279
22P
R448
49K9
6
5
2
3
R449
49K9
6
5
2
3
U45A
4580M
C280
22P
4580M
U46A
4580M
4580M
C281
U46B
R451
10K
C282
22P
U45B
R450
10K
22P
7
1
R453
10K
7
R455
10K
1
C315
R512
1K18
C316
2N2
EQ-OPR-A
R511
9K76
R454
10K
2N2
R452
10K
6
5
6
5
U47B
4580M
SW41A
PS-22E85L
2
3
SW41B
PS-22E85L
C284
22P
U52B
4580M
R510
19K6
C317
2N2
R514
76K8
U53B
R516
4K75
C318
2N2
6
5
4580M
R497
1
10K
8KHZ-R
R515
38K3
C319
22N
R518
30K1
U54B
R524
787R
R520
1K96
C322
0.22uF
C320
22N
6
5
4580M
C321
0.22uF
R522
12K1
6
5
U55B
4580M
R501
1
1
10K
R505
10K
2KHZ-R
500HZ-R
R519
15K
R523
6K04
C323
C313
0.22uF
C314
0.22uF
R508
1K54
R506
24K3
2
3
U56A
4580M
R509
1
10K
125HZ-R
Titel
Size
Date:
File:
A1
R527
24K3
MAIN INPUT STAGE
PCB# PM12MN2.PCB
8-Mar-2005
PM12MN2.S02
C324
0.22uF
R528
3K01
ALTO PM12
0.22uF
R526
48K7
U56B
6
5
4580M
7654321
27
C13
R293
C177
10K
22p
C175
AUX-RTN1-L
D
AUX-RTN1-R
AUX-RTN2-L
AUX-RTN2-R
C
AUX-RTN3-L
AUX-RTN3-R
AUX-RTN1-L
C173
100P
AUX-RTN1-R
C174
100P
AUX-RTN2-L
C185
100P
AUX-RTN2-R
C186
100P
AUX-RTN3-L
C197
100P
AUX-RTN3-R
C198
100P
C176
47u/25V
C187
47u/25V
C188
47u/25V
C199
47u/25V
C200
47u/25V
R21
15K
R294
10K
R22
15K
R301
10K
R23
15K
R300
10K
R24
15K
R302
10K
R25
15K
R310
10K
R26
15K
47u/25V
R295
5K1
2
3
6
5
C189
2
3
6
5
C201
2
3
6
5
U25A
4580M
C178
22P
R296
5K1
U25B
4580M
22P
R303
5K1
U26A
4580M
C190
22P
R304
5K1
U26B
4580M
22P
R305
5K1
U27A
4580M
C202
22P
R312
5K1
U27B
4580M
1
7
1
7
1
7
C179
47u/25V
C180
47u/25V
C191
47u/25V
C192
47u/25V
C203
47u/25V
R314
5K1
C204
47u/25V
R326
5K1
R325
5K1
R332
5K1
R331
5K1
AUX RETURN 3
R315
5K1
R316
10K
R307
56K
R320
56K
AUX RETURN 1
R328
5K1
R327
5K1
AUX RETURN 2
R306
56K
R334
5K1
R333
R308
5K1
56K
VR46A
W50K
VR46B
W50K
VR52A
W50K
R298
56K
VR52B
W50K
R297
56K
VR45A
W50K
VR45B
W50K
47u/25V
47u/25V
C29
47u/25V
C30
47u/25V
47u/25V
C14
47u/25V
C27
C28
R339
3K6
R338
3K6
R329
3K6
R330
3K6
R335
3K6
R336
3K6
2
3
6
5
2
3
6
5
2
3
6
5
C181
22P
U29A
4580M
U29B
4580M
U30A
4580M
U30B
4580M
U31A
4580M
U31B
4580M
C182
22P
C193
22P
C194
22P
C205
22P
C206
22P
1
7
1
7
1
7
R343
36K
C183
47u/25V
R344
36K
C184
47u/25V
R345
36K
C195
47u/25V
R347
36K
C196
47u/25V
R346
36K
C207
47u/25V
R349
36K
C208
47u/25V
R351
20K
LEFT-BUS
R352
20K
RIGHT-BUS
R354
20K
LEFT-BUS
R355
20K
RIGHT-BUS
SW32A
PS-22E85L
MAIN MIX / CTRL/R
SW32B
PS-22E85L
LEFT-BUS
RIGHT-BUS
LEFT-BUS
RIGHT-BUS
R367
27K
R368
27K
R299
10K
R369
27K
R370
27K
R309
10K
R371
27K
R374
27K
SW31C
PS-42E85L
8
SW31B
PS-42E85L
5
SW31A
PS-42E85L
2
R353
4K7
TO AUX SEND1
TO AUX SEND2
R357
5K1
R356
20K
LEFT-BUS
R376
10K
R361
20K
RIGHT-BUS
R377
10K
VR48
W50K
VR49
W50K
7
9
4
6
1
3
AFL-L
AFL-R
SOLO(PFL)
AUX-1
AUX-2
LEFT-BUS
CTRL/L
RIGHT-BUS
CTRL/R
PGND
(SOLO)
11
SW31D
PS-42E85L
AUXRTN
LD9
RED
10
12
LOGIC
D13
BAS316
(LOGIC=2.0V or 0.5V)
R375
2K2
LOGIC
8
D
-RVCC
C
R372
R358
20K
R359
20K
R360
20K
R362
20K
R363
20K
R364
20K
30K
R373
30K
SW35A
PS-22E85L
2
SW35B
PS-22E85L
5
SW33A
PS-22E85L
2
SW33B
PS-22E85L
5
SW34A
PS-22E85L
2
SW34B
PS-22E85L
5
1
3
4
6
1
3
4
6
1
3
4
6
LEFT-BUS
RIGHT-BUS
SUB1
SUB2
SUB3
SUB4
DFX TO MONITOR
AUX1
R365
5K1
R366
5K1
DFX TO MONITOR
AUX2
VR50
W50K
VR51
W50K
AUX-1
AUX-2
Titel
Size
Date:
File:
A2
AUX RETURN
PCB# PM12MN2.PCB
ALTO PM12
8-Mar-2005
PM12MN2.S04
Sheet
Drawn By:
RevisionModel No:
Bao.
B
A
VER031030
74of
R337
5K1
R341
5K1
R317
10K
R323
5K1
B
R311
10K
C211
C209
100P
C210
100P
U30C
4580M
47u/25V
R27
15K
R321
10K
R28
C212
15K
47u/25V
C231
100n
84
C232
100n
84
U31C
4580M
C233
100n
C234
100n
AUX-RTN4-L
AUX-RTN4-R
C221
100n
+VCC
A
-VCC
84
U25C
4580M
C222
100n
1 2 3 4 5 6 78
84
U26C
4580M
C223
100n
C224
100n
84
U27C
4580M
C225
100n
C226
100n
84
U28C
4580M
C227
100n
C228
100n
U29C
4580M
AUX-RTN4-L
AUX-RTN4-R
C229
100n
84
C230
100n
C213
22P
C215
R313
15K
U28A
4580M
C214
22P
R322
15K
U28B
4580M
84
U32C
4580M
47u/25V
1
7
47u/25V
C236
100n
C216
C235
100n
2
3
6
5
R318
5K1
R319
R324
100K
100K
AUX RETURN 4
VR47A
W50K
VR47B
W50K
C31
47u/25V
C32
47u/25V
R340
10K
R342
10K
C217
22P
R348
U32A
4580M
U32B
4580M
C218
22P
1
7
22K
C219
47u/25V
R350
22K
C220
47u/25V
2
3
6
5
7654321
28
8
R282
(SOLO)
C149
22P
U21A
4580M
10
12
LOGIC
D9
BAS316
(LOGIC=2.0V or 0.5V)
R261
36K
C153
1
47u/25V
R269
6K2
LOGIC
AUX1 SEND
VR69
W50K
6
5
U21B
4580M
C157
22P
R262
36K
7
C161
47u/25V
R281
AUX-SEND1
R270
10K
PGND
11
SW27D
PS-42E85L
D
AUX-1
2
3
27K
R283
27K
8K2
PS-42E85L
8
SW27B
PS-42E85L
5
SW27A
PS-42E85L
2
7
9
4
6
1
3
AFL-L
AFL-R
SOLO(PFL)
AUX-SEND1
AUXSEND
D
SW28C
R285
SW27C
(SOLO)
C150
22P
U22A
4580M
10
12
LOGIC
D10
BAS316
(LOGIC=2.0V or 0.5V)
R263
36K
C154
1
47u/25V
R271
6K2
LOGIC
AUX2 SEND
VR70
W50K
6
5
U22B
4580M
C158
22P
R264
36K
7
C162
47u/25V
R284
AUX-SEND2
R272
10K
PGND
11
SW28D
PS-42E85L
C
AUX-2
2
3
27K
R286
27K
8K2
PS-42E85L
8
SW28B
PS-42E85L
5
SW28A
PS-42E85L
2
7
9
4
6
1
3
AFL-L
AFL-R
SOLO(PFL)
AUX-SEND2
C
R287
(SOLO)
C151
22P
U23A
4580M
10
12
LOGIC
D11
BAS316
(LOGIC=2.0V or 0.5V)
R265
36K
C155
1
47u/25V
R273
6K2
LOGIC
AUX3 SEND
VR71
W50K
6
5
U23B
4580M
C159
22P
R266
36K
7
C163
47u/25V
R288
AUX-SEND3
R274
10K
PGND
11
SW29D
PS-42E85L
B
AUX-3
2
3
27K
R289
27K
8K2
PS-42E85L
8
SW29B
PS-42E85L
5
SW29A
PS-42E85L
2
7
9
4
6
1
3
AFL-L
AFL-R
SOLO(PFL)
AUX-SEND3
B
SW30C
SW29C
R290
(SOLO)
C152
22P
U24A
4580M
10
12
LOGIC
D12
BAS316
(LOGIC=2.0V or 0.5V)
R267
36K
C156
1
47u/25V
R275
6K2
LOGIC
AUX4 SEND
VR72
W50K
6
5
U24B
4580M
C160
22P
R268
36K
7
C164
47u/25V
R291
R276
10K
PGND
11
SW30D
PS-42E85L
A
1 2 3 4 5 6 78
AUX-4
2
3
27K
R292
27K
8K2
PS-42E85L
8
SW30B
PS-42E85L
5
SW30A
PS-42E85L
2
DFX SEND
7
9
4
6
1
3
AFL-L
AFL-R
SOLO(PFL)
DFX SEND
+VCC
U21C
4580M
-VCC
C165
100n
84
U22C
4580M
C166
100n
Titel
Size
Date:
File:
84
A3
C167
100n
C168
100n
PM12MN2.S03
84
U23C
4580M
AUX SENDS
PCB# PM12MN2.PCB
ALTO PM12
8-Mar-2005
C169
100n
C170
100n
84
U24C
4580M
Sheet
Drawn By:
C171
100n
C172
100n
RevisionModel No:
VER031030
73of
Bao.
A
7654321
29
8
C373
22P
R530
10K
AFL-L
AFL-R
LOGIC
SOLO(PFL)
AFL-L
AFL-R
LOGIC
R537
15K
SOLO(PFL)
D
C
+RVCC
+RVCC
R536
100K
PGND PGND
2
3
C374
22P
R531
30K
6
5
C375
22P
R532
30K
6
5
R538
220K
R539
15K
U57A
4580M
U57B
4580M
U58B
4580M
R540
10K
R541
10K
1
7
7
PGND
C376
47u/25V
C377
47u/25V
C378
47u/25V
PS-42E85L
2
4580M
3
2
SW42A
U58A
C379
100N
R533
20K
R534
20K
R535
20K
1
3
1
BAS316
LD10
GR
LD11
D14
BAS316
D15
RED
11
SW42B
PS-42E85L
4
6
47u/25V
5
C15
**SW23:SOLO MODE
SW42C
PS-42E85L
7
9
C16
47u/25V
8
PFL
SOLO
ACTIVE
R543
5K1
R542
5K1
SW42D
PS-42E85L
R544
20K
10
12
R11
10K
R12
10K
2
3
6
5
SW-FET
C380
2.2u/50V
R13
10K
R14
10K
C17
22P
C18
22P
U2A
4580M
U2B
4580M
SW-FET
C19
47u/25V
1
C20
47u/25V
7
PFL-IN-L
PFL-IN-R
PFL-IN-L
PFL-IN-R
SW-FET
CTRL/L
MAIN-L-2
SUB1-L
SUB3-L
2TK TO CR-L
SW-FET
SW-FET
CTRL/R
MAIN-R-2
SUB2-R
SUB4-R
2TK TO CR-R
CTRL ROOM SOURCE
SW43A
R546
PS-22E85L
12K
MAIN MIX
12K
12K
R549
10K
SW44A
PS-22E85L
SUB 1-2
SW45A
PS-22E85L
SUB 3-4
SW46A
PS-22E85L
R547
R548
2TK
SW-FET
SW-FET
SW43B
PS-22E85L
R550
12K
MAIN MIX
SW44B
R551
PS-22E85L
5
SW45B
PS-22E85L
SW46B
PS-22E85L
4
6
12K
R552
12K
R553
10K
SUB 1-2
SUB 3-4
2TK
SW-FET
R545
100K
R554
5K1
R555
5K1
SW-FET
TR15
J112
R556
TR17
J112
R557
12K
12K
PFL-IN-L
R558
62K
TR16
J112
PFL-IN-R
R559
62K
TR18
J112
TR19
J112
C381
22P
R560
20K
2
3
C382
22P
R561
20K
6
5
U59A
4580M
PFL-IN-L
L-METER
U59B
4580M
PFL-IN-R
R-METER
C383
47u/25V
1
C384
47u/25V
7
R562
100K
R563
47K
R564
100K
R565
47K
CONTROL
ROOM
R566
10K
R570
10K
PHONES/
R574
5K6
R578
5K6
VR68B
W50K
VR68A
W50K
VR67B
W50K
W50K
VR67A
C385
CTR VU-METER
22P
R568
20K
U60A
4580M
47u/25V
C387
22P
U61A
4580M
47u/25V
47u/25V
1
R572
20K
7
C394
R576
47u/25V
1
R580
20K
7
C396
C393
R569
10K
20K
C395
R577
10K
R573
10K
R581
10K
CTRL-R-L
D
CTRL-R-R
PHONES-L
PHONES-R
C
2
3
C386
22P
6
5
U60B
4580M
2
3
C388
22P
6
5
U61B
4580M
B
A
C403
100n
+VCC
-VCC
312
R604
330R
U64A
9
11
R591
10K
14
LEFT METER
U64C
LM339
8
R605
470R
10
U64D
LM339
13
(+4) (+7) (+10) (+18)
LD32GRLD33
GR
1
U65B
LM339
6
7
9
R606
510R
4
5
U65A
LM339
2
1
U65C
14
LM339
7
8
R607
620R
10
11
5
U65D
LM339
13
GR
U66B
LM339
6
9
R608
1K3
11
4
U66A
LM339
2
LD20GRLD21
14
13
LM339
8
YEL
1
U67B
U66C
LM339
6
7
R6092KR610
10
4
5
U66D
LM339
LM339
2
YEL
LD34
YEL
5K6
U67A
LD22
YEL
LD35
RED
-RVCC
U67C
14
LM339
8
9
+RVCC
R611
8K2
10
11
U67D
LM339
13
-RVCC
LD23
RED
84
U68C
4580M
LM339
LD37
RED
PHANTOM
312
U67E
R583
4K7
LM339
PH PWR
U66E
PGND
312
312
U65E
LM339
312
U64E
LM339
312
U63E
LM339
+RVCC
U62E
LM339
-RVCC
(-30) (-20) (-10) (-7) (-4) (-2) (0) (+2)
LD24GRLD25GRLD26GRLD27GRLD28GRLD29GRLD30GRLD31
11
14
13
U62C
LM339
8
R601
470R
10
U62D
LM339
1
U63B
LM339
6
7
9
R602
330R
4
5
U63A
LM339
2
1
U63C
14
11
13
LM339
8
R603
470R
10
U63D
LM339
U64B
LM339
6
7
4
5
LM339
2
R599
56R
1
U62B
LM339
6
7
9
R600
120R
4
5
U62A
LM339
2
LD12GRLD13GRLD14GRLD15GRLD16GRLD17GRLD18GRLD19
D32
4148
6
5
R588
10K
PGND PGND PGND PGND
U68B
4580M
R589
100K
7
47uF/25V
D33
4148
C398
PGND
R594
10K
TR13
HR
TR14
HR
R595
510R
R596
510R
PGND
+RVCC
120R 1/4W
D16A
DA204K
DA204K
R598
120R 1/4W
R597
D16B
D30
4148
L-METER
PGND
R-METER
PGND
1 2 3 4 5 6 78
2
3
R584
36K
PGND PGND
R585
36K
R586
100K
U68A
4580M
1
47uF/25V
D31
4148
C397
84
U57C
4580M
C404
100n
84
U58C
4580M
C405
100n
C406
100n
84
U59C
4580M
C407
100n
C408
100n
84
U60C
4580M
Titel
Size
Date:
File:
C409
100n
C410
100n
A2
C411
100n
84
U61C
4580M
C412
100n
CONTROL ROOM STAGE
8-Mar-2005
PM12MN2.S05
ALTO PM12
84
U2C
4580M
C21
100n
C22
100n
Sheet
Drawn By:
RevisionModel No:
Bao.
B
A
VER031030
75of
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