audio section 21-apr-94logitek.audio/wp-content/uploads/2017/03/tr2-schematic.pdf · 14 6 9 7 4 2...
TRANSCRIPT
14
6
9
7
4
2
13
11
1,3,5,
8,10,12
14
6
9
7
4
2
13
11
1,3,5,
8,10,12
14
6
9
7
4
2
13
11
1,3,5,
8,10,12
14
6
9
7
4
2
13
11
1,3,5,
8,10,12
14
6
9
7
4
2
13
11
1,3,5,
8,10,12
in1
C1
C2
in2G
V-
O
O
V+
1
2
in1
C1
C2
in2G
V-
O
O
V+
1
2
in1
C1
C2
in2G
V-
O
O
V+
1
2
in1
C1
C2
in2G
V-
O
O
V+
1
2
in1
C1
C2
in2G
V-
O
O
V+
1
2
+12
-12
620
620
MM 1
CUE R
+12
-12
562
562
-
+
CH 1
L
+12
-12
562
562
-
+
CH 2
L
+12
-12
562
562
-
+
CH 1
R
+12
-12
562
562
CH 2
R
+
-
+
-
+12
-12
1
8
43
2
10K
100K
4220
8200
75pf
6
5
7
NE5532
47
5100
1000
42204220
NE5532
NE5532
5
6
7
+
-
+
-
10K
100K
75pf
2
3
1
NE5532
47
5100
1000
42204220
NE5532
NE5532
5
6
7
4220
CH2 ON
SSM2402
SSM2402
SSM2402
SSM2402
SSM2402
14
6
9
7
4
2
13
11
1,3,5,
8,10,12
in1
C1
C2
in2G
V-
O
O
V+
1
2
SSM2402
4700
4700
4700
4700
1
2
1
2
+12
-12
620
620
MM 2
CUE L
CH1 ON
200
10
DS2E-M-DC24V
+12
-12
7
43
2
+12
-12
7
43
2
1
1
5,6
5,6
SSM2143
SSM2143
100K
100K
100K
100K
10K
10K
DS4E-M-DC12V
LINE 1
LEFT
LINE 2
LEFT
LINE 1
RIGHT
LINE 2
RIGHT
-
+
-
+
-
+
-
+
47
.1 .1
+12 -12
++
+
+17
300
100
1000
1000
10K
10K
100
100
600pf
Phantom
Power
+
-
MIC
IN
10k
12
3 4
56
7 8
P&G
FADER
TRI-3 INPUT MIXER LG-180
Audio Section
10K
+
+ +
-12 +12
.22
.22
.22
-
+
CUE ON
P2-3
P2-4
R61
R60
C33
C32
R63
R59
C31
R57
R58
R48
R64
P10 R62C34
P2-7
P2-6
P5-D
P2-C
P2-10
P2-9
P2-H
P2-F
R50
R49
R51
R53
R52
IC15
IC14
RY1
R62a
R62b
P1-4
P1-6
P9-3
P9-2
P9-1
P1-2
-8
P1
P9-6
P9-5
P9-4RY2
R37
R35
IC11b
+12
-12
4
8
R38 R39
C24 C22
R40
R44
IC11a
R36
C23
R33
C21
R42
R46
IC13a
IC13b
R47 R45
IC12b
IC12a
R43 R41
R24a
R24b
R24c
R24d
MM 1
P7
MM 2
P8
IC6
R23
R21
C29 C30
IC5
R22
R20
R28
R27
IC8
IC10
IC7
R32
R31
R26
R25
IC9
R30
R29
P1-28
P1-32
P1-17
P1-18
P1-9
P1-10
P1-21
P1-22
P1-13
P1-14
P1-26
P1-30
C28
JMP1
JMP2
C27
C25
C26
-
+
G1
G2
1
2
34
-12
5
6
7
+12
8
IC16
SSM2017
MIC
GAIN
21-Apr-94
P2-5
P2-8
P2-E
MIC INPUT
LINE 1 INPUT
LINE 2 INPUT
1 2+12
-12
1
8
43
2
R67
100K
R66
100K
100k100k
250p
1
CUE
+5
1
2
3
14
4
12
V+
J
K
CLR
>CK
Q
74HC73
HLMP1440
YELLOW
620
+5
2N4123
5100
100K
100k
600p1
ON
+5
5
6
10
7
9
J
K
CLR
>CK
Q
74HC73
10K
2N4125
5100
5100
100k100k
600p
1
CH 2
+5
1
2
3
14
4
12
V+
J
K
CLR
>CK
Q
74HC73
HLMP1340
RED300
+5
5100
100K
100k100k
600p
1
CH 1
+5
5
6
10
7
9
J
K
CLR
>CK
Q
74HC73
3
4
13
V+
R
S
Q
4044
11
CUE ON
1N4148
Q-
8
+5
300
+17
370
MPSA13
+
+5
1100k
+5
+5
+5
ULN2801A
CH2 ON11
HLMP1340
RED300
+5
5100
100KULN2801A
CH1 ON
+5
1N4148
1N4148
+
1N4148
1N41481
TIMER
.01
MIC
o
S
R
en
3
3
o
o15
14
16
51N4148
100K+5
+5
100K
1N414815
9
4
1 184700
1N4148
4700
ULN2801A
ULN2801A
HLMP1540
Green
MIC
Ctrl
+17A
1N4001
DS2E-M-DC12V
7
6
9
R
S
Q
4044
.047
Line1
1
1
1
1N4148
100K
+5
100K
1N4148136
3 164700
1N4148
4700
ULN2801A
ULN2801A
HLMP1540
Green
Line1
Ctrl
11
12
10
R
S
Q
4044
.01
Line2
2
2
2
1N4148
100K
+5
100K
1N4148145
2 174700
1N4148
4700
ULN2801A
ULN2801Ab
HLMP1540
Green
Line2
Ctrl
+5
8
+
+
+
+
IC17
IC19
D12
1N4001
1N4001
D17
C10
C20
10
10
C19
C18
1
1
2
3
1
2 3
7812
1
7912
+12
-12
1 2 3
+
IC18
D13
1N4001
C9
102
378LO5
1
51+17A
+17
-17
GND
+5
+5
.1
8 11
7 12
5 6
100
TMR
7
8
J3-2
5
6 J4-2
J4-1
5 6
J3-1
3
REMOTE
ON
2 1
7 8 J3-7 J4-7
J4-5
J3-3
300
4 3
3 4
J3-4J4-4
J3-5
J4-3
POWER
SIGNAL
GND
TRI-3 INPUT MIXER LG-180
Control Section
21-Apr-94
R9d R9e
1
C15
C14
IC4a
IC4b
R9b
C16C13
R17C12
P2-1
J6-6
SW7
SW6
J6-1
J6-4
1
IC3a
1
R6d R6e
C8
C6
SW4
1
R6b R6a
C7
C5J4-6
SW5
IC3b
LG-181
LG-187
Q2
R12
R13
Q3
R14
B1
R19D16
R10
R11
Q1
D25
R16
R15
P5
D14
D15
C10
BUS
P6-5
P6-6
R5c
R8IC2h
IC2gR7
D10
D11
D23
D24R55
R5d
R56
J3-3
J3-3
R18
P1-40
P1-37
P1-39
P1-38
J4-6
C2
SW3
C4
IC1cR3
R2D5
D6
IC1b
IC1a
R1d
R1c
R1a
R1b
D2
D1
C1
SW1
SW2
J3-6
D4
D3
1
3
2
1
5
4
C3
IC2a
IC2d
P2-2
R4a
R4d
D7
D20D18
RY1
R5b
D9
R4b
IC2f
IC2c
D21R54
P2-A
+17A
1N4001
DS2E-M-DC12V
D19
RY2
P2-B
IC2e
IC2b
R5a
D8
R4c
1 2
5 6
D22
LG-187
P6-3 P6-2
LG-187
LG-181
LG-181
LG-181
LG-181
LG-181
LG-181
P1-36
14
1 2
37
4
+5IC20a
4584
IC20b
4584
+5
C35
.01
LG-199
1
5
11
8
9
12
4
+
+
+
+
100k100k
250p
1
CUE
+5
3
4
5
6
16
1
V+
J
K
RST
>CK
Q
4027HLMP1440
YELLOW
620
+5
2N4123
5100
100K
100k100k
250p
1
ON
+5
13
12
11
10
15
J
K
RST
>CK
Q
4027
10K
2N4125
5100
5100
100k100k
75p
.1
CH 2
+5
1
2
3
14
4
12
V+
J
K
CLR
>CK
Q
74HC73
HLMP1340
RED300
+5
5100
100K
100k100k
75p
.1
CH 1
+5
5
6
10
7
9
J
K
CLR
>CK
Q
74HC73
3
4
13
V+
R
S
Q
40448
CUE ON
1N4148
Q-
14
+5
300
+25
376
MPSA13
+
+5
1100k
+5
+5
+5
ULN2801A
CH2 ON11
HLMP1340
RED300
+5
5100
100KULN2801A
CH1 ON
+5
1N4148
1N4148
+
1N4148
1N41481
TIMER
.01
MIC
o
S
R
en
3
3
o
o15
14
16
51N4148
100K+5
+5
100K
1N414815
9
4
1 184700
1N4148
4700
ULN2801A
ULN2801A
HLMP1540
Green
MIC
Ctrl
+25A
1N4001
DS2E-M-DC24V
7
6
9
R
S
Q
4044
.047
Line1
1
1
1
1N4148
100K
+5
100K
1N4148136
3 164700
1N4148
4700
ULN2801A
ULN2801A
HLMP1540
Green
Line1
Ctrl
11
12
10
R
S
Q
4044
.01
Line2
2
2
2
1N4148
100K
+5
100K
1N4148145
2 174700
1N4148
4700
ULN2801A
ULN2801Ab
HLMP1540
Green
Line2
Ctrl
+5
8+
+
+
+
IC17
IC19
D12
1N4001
1N4001
D17
C10
C20
10
10
C19
C18
1
1
2
3
1
2 3
7818
1
7918
+18
-18
1 2 3
+
IC18
D13
1N4001
C9
102
378MO5
1
51+25A
+25
-25
GND
+5
+5
.1
8 11
7 12
5 6
100
TMR
7
8
J3-2
5
6 J4-2
J4-1
5 6
J3-1
3 2
REMOTE
ON
2 1
7 8 J3-7 J4-7
J4-5
J3-3
300
4 3
3 4
J3-4J4-4
J3-5
J4-3
POWER
SIGNAL
GND
TRI-3 INPUT MIXER LG-180
Control Section
10-Jul-94
R9d R9e
1
C15
C14
IC4a
IC4bR9aR9b
C15
C14
R17C12
P2-1
J6-6
SW7
SW6
J6-1
J6-4
1
IC3a
1
R6d R6e
C8
C6
SW4
1
R6b R6a
C7
C5J4-6
SW5
IC3b
LG-181
LG-187
Q2
R12
R13
Q3
R14
B1
R19D16
R10
R11
Q1
D25
R16
R15
P5
D14
D15
C10
BUS
P6-5
P6-4
R5c
R8IC2h
IC2gR7
D10
D11
D23
D24R55
R5d
R56
J3-3
J3-3
R18
P1-40
P1-37
P1-39
P1-38
J4-6
C2
SW3
C4
IC1cR3
R2D5
D6
IC1b
IC1a
R1d
R1c
R1a
R1b
D2
D1
C1
SW1
SW2
J3-6
D4
D3
1
3
2
1
5
4
C3
IC2a
IC2d
P2-2
R4a
R4d
D7
D20D18
RY1
R5b
D9
R4b
IC2f
IC2c
D21R54
P2-A
+25A
1N4001
DS2E-M-DC24V
D19
RY2
P2-B
IC2e
IC2b
R5a
D8
R4c
1 2
5 6
D22
LG-187
P6-3 P6-2
LG-187
LG-181
LG-181
LG-181
LG-181
LG-181
LG-181
P1-36
7
SET GND
SET
9
100K
+5
10K
1N4148
4584
4584
4584
11 10
9 8
1 2
INTERFACE CARD
Seperate remote ON and remote OFF inputs
1N4148+5
10K
P2-2
REMOTE
OFF
(MIC CTRL)
(RMT ON/OFF)
100k
100k
.047
CH 1
+5
3
4
5
16
13
V+
en
R
S
Q
4044
HLMP1340
RED
300
+5
4700
8
+5
+
-
4700
4700NE5532
NE5532
100k
100k
.01
CH 2
+5
7
6
9
R
S
Q
4044
HLMP1340
RED
3004700
+5
100k
100k
.01
CUE
+5
11
12
10
R
R
Q
4044
HLMP1440
YELLOW
3004700
100k
100k
.01
AIR
+5
+5
15
14
1
S
S
Q
4044
HLMP1540
GREEN
3004700
+5
O
O
O
1
1
1
ULN2801A
6 13
8 11
ULN2801A
ULN2801A
2
2
2
7 12
+5
3
3
3
5 14
ULN2801A
+12
-12
5,6
7
43
2
1
100K
100K
10K
LEFT
AIR
IN
-
+
+12
-12
5,6
7
43
2
1
100K
100K
10K
RIGHT
AIR
IN
-
+
10K
10k
2000
30.1
+
-
4700
4700NE5532
NE5532
+
-
10K
10k
2000
30.1
47
47
SSM2143
5
6 7
5
6 7+
-
MONITOR A
LEFT OUT
+
-
MONITOR A
RIGHT OUT
9
30.1
+
-
30.1
MONITOR
AGain
Fader
TRM MONITOR DRIVER LG-182A
Monitor A/Air In
21-Apr-94
SSM2143
1N4148
D18
IC20a
R46b1N4148
1N4148
D20
D19
GND
IC20b
IC20d
1N4148
1N4148
1N4148
D28
D27
D29
R45b
R45a
R45e
1N4148
1N4148
1N4148
D25
D26
D24
IC20c
R45d
R46e
1N4148
1N4148
1N4148
D23
D21
D22
R46d
R46a
1 3
2 1
2 1
3 1
6 1
5 1
6 1
5 1
SW4
J3-2
J3-1
C26
C25J3-4
J3-8C24
SW2
SW3
SW1
C23J3-10
LG-183
R44b
4 3
IC2f
J3-11
D41
J3-12
LG-183
R60
IC2h
8 7
R44d
D42
R61
R62
D45
IC2g
6 5
R44c
J3-9
J3-5
J3-3
D47
R63R44a
1 2IC2e
R38
R37
IC19bR43d
R43cR55
R53
P2-6
P2-7
IC19a
IC18a
IC18b
R36
R35
R43b
R43a
R49
R51
P2-3
P2-4
4
3
2 1
8
7
6 5
R68a
R68b
P7-6
P7-4
P7-5
P7-2
P7-1
P7-3
C20
C19
P2-9
P2-8
R32
R33
R31
IC16
R29
R34
R30
IC17
AIR LEFT
MONITOR
AIR RIGHT
MONITOR
P2-12
P2-11
P2-5,10
MON A LEFT
(to VU switch)
MON A RIGHT
(to VU switch)
+
-
+
-
7
6
5
1N4148
1N4148
1N4148
1N4148 100K
100k
R59
D40
D39
D37
D38
13
12
11
10
P1-2
P1-4
CH1 LEFT
MONITOR
CH2 LEFT
MONITOR
CUE LEFT
MONITOR
4
6
6
7
P1-1
P1-3
CH1 RIGHT
MONITOR
CH2 RIGHT
MONITOR
CUE RIGHT
MONITOR
1
16
14
3
+12
-12
+122
15
GND
EN2D
2C
2B
2A
02
8
9O1
1A
1B
1C
1D
SELA
SELB
V+
V-
MAX329
IC14
IC15b
NE5532
IC15a
NE5532
P1-6
P1-5
R58
+12
-12
1
8
43
2
+12
-12
1
8
43
2
+12
-12
1
8
43
2
100K
.047
CH 1
+5
3
4 5
16
13
V+
enR
S
Q
4044
HLMP1340
RED
300
+5
4700
8
+5
4700
4700NE5532
NE5532
100k
100K
.01
CH 2
+5
7
6
9
R
S
Q
4044
HLMP1340
RED
3004700
+5
100K
100k
.01
CUE
+5
11
12
10
R
S
Q
4044
HLMP1440
YELLOW
3004700
100K
100K
.01
AIR
+5
+5
15
14
1
S
S
Q
4044
HLMP1540
GREEN
3004700
+5
O
O
O
1
1
1
ULN2801A
2 17
4 15
ULN2801A
ULN2801A
2
2
2
3 16
+5
3
3
3
1 18
ULN2801A
10K
10k
2000
30.1
4700
4700NE5532
NE5532
10K
10k
2000
30.1
47
47
5
6
7
5
6
7
CUE RIGHT
MONITOR
CH2 RIGHT
MONITOR
CH1 RIGHT
MONITOR
CUE LEFT
MONITOR
CH2 LEFT
MONITOR
CH1 LEFT
MONITOR
+
-
MONITOR B
LEFT OUT
+
-
MONITOR B
RIGHT OUT
9
30.1
30.1
MONITOR
BGain
Fader
TRM MONITOR DRIVER LG-182A
Monitor B/Mute
21-Apr-94
1N4148
D2
IC1a
R1b1N4148
1N4148
D1
D3
GND
IC1b
IC1d
1N4148
1N4148
1N4148
D11
D10
D12
R2b
R2a
R2e
1N4148
1N4148
1N4148
D8
D9
D7
IC1c
R2d
R1e
1N4148
1N4148
1N4148
D6
D4
D5
R1d
R1a
1 3
2 1
2 1
3 1
6 1
5 1
6 1
5 1
SW8
J3-6
J3-1
C30
C29J4-1
J4-3C28
SW6
SW7
SW5
C27J4-5
LG-183 R3b
4 3
IC2b
J4-6
D43
J3-12
LG-183
R64
IC2d
8 7
R3d
D44
R65
R66
D46
IC2c
6 5
R3c
J4-4
J4-2
J3-7
D48
R67R3a
1 2IC2a
R11
R12
IC4b R8d
R8c R54
R52
P2-F
P2-H
IC4a
IC3a
IC3b
R10
R9
R8b
R8a
R48
R50
P2-C
P2-D
4
3
2 1
8
6 5
R69a
R69b
P5-3
P5-1
P5-2
P5-5
P5-4
P5-6
C2
C1
AIR LEFT
MONITOR
P2-E
AIR RIGHT
MONITOR
1N4148
1N4148
P2-A
MUTE B
INPUT
D34
D36
+12
C22
.1
+
-
+
-
+
-
+
-
+
-
+
-
+
+
+12
-12
C3
.22
+12
100K 1N4148
D35
1N4148
D34
100K
R56
100K
R57
1A
1B
1C
1D
SELA
SELB
V+
V-
O1 9
13
12
11
10
P1-2
P1-4
1
16
14
3
+12
-12
.22
C4
IC6b
NE5532
J176
Q3
P1-7
(to VU switch)
MON B LEFT
IC5
MAX329
2A
2B
2C
2D
4
5
6
7
15
2
O2 8
EN
P1-1
P1-3
J176
Q2
P1-8
(to VU switch)
MON B RIGHT
7
6
5
IC6a
NE5532
R510K
100K
R4
.01
C21
P1-35
CUE MUTE
7
+5
100K
R6
Q5
2N4125 Q4
2N4123
10K
R7
+12
-12
1
8
43
2
+12
-12
1
8
43
2
+12
-12
1
8
43
2
+
-
+
15
NE5532 NE5532
300
+
30.1
+
-
5100
+
-
NE5532
4220
4220
10K
75pf
-
30.1
Mix-Minus 2
Output
Mix-Minus 2
Bus
+
-
+
15
NE5532 NE5532
300
5
6
7
+
30.1
+
-
5100
+
-
NE5532
4220
4220
10K
75pf
-
30.1
Mix-Minus 1
Output
Mix-Minus 1
Bus
+
15
NE5532
300
+
-10K
2000
75pf
+
15
NE5532
300
+
-
10K
2000
75pf
+
+
+
+
IC8
IC9
D31
1N4001
1N4001
D32
C6
C7
10
10
C12
C11
1
1
2
3
1
2 3
78121
7912
+12
-12
1 2 3 +
IC7
D30
1N4001
C5
102
378LO5
1
+17
-17
GROUND
+5
10K
MONO CUE
(to cue poweramp)
Cue Right
Monitor
Cue Left
Monitor
CUE LEFT
CUE RIGHT
BUS
BUS
GROUND
SIGNAL
POWER
1 Meg
100kTimer
OutputTimer
Bus
TRM MONITOR DRIVER LG-182A
Mix-Minus/Cue/Timer/Power
21-Apr-94
2N4123
P1-36
R56
R57
Q1
P2-1
P1-40
P1-37
P1-39
P1-38
P1-30
P1-32
R18
C13
R16
IC10a
IC10b
R17
C12
R15
C8
C9
R14
R13
R47
7
6
5
P6-3
P6-1
P6-2 P1-34
7
6
5IC13b
P1-28
P1-26
R28 R26
C11
R24IC12a
IC12bR21
C10
C14
R20
R19
R23
R22
IC11b
IC11a
R27 R25
IC13a
C15
P2-J
P2-K
P2-M
P2-N
P2-L
R39
R40
R42
R41
7
6
5
CUE GAIN
+
+12 -12
.22
C18
+12
-12
1
8
43
2
+12
-12
1
8
43
2
+12
-12
1
8
43
2
+12
-12
1
8
43
2
3
4
13
V+
R
S
Q
4044
eno
o
16
5
.047
100K100K
CH 1
8
562
+
-
+
-
10K
75pf
6
5
7
NE5532
47
42204220
NE5532
NE5532
5
6 7
+
-
42204220
NE5532
5
6 7
562
75pf
NE5532
4220
10K
NE5532
4220
CH 1 LEFT
BUS
+
-2200
5100
562
10K
75pf
6
5
7
NE5532
47
+
-
42204220
NE5532
5
6 7
562
75pf
NE5532
4220
10K
NE5532
4220
CH 1 RIGHT
BUS
+
-
2200
5100
+
-
+
-
1000
42204220
NE5532
NE5532
5
6 7
+
-
+
-
1000
42204220
NE5532
NE5532
5
6 7
+
-
+
-
1000
42204220
NE5532
NE5532
5
6 7
+
-
+
-
1000
42204220
NE5532
NE5532
5
6 7
30.1
30.1
CH 1 LEFT
OUT A
+
-
30.1
30.1
CH 1 LEFT
OUT b
+
-
30.1
30.1
CH 1 MONO
OUT
+
-
30.1
30.1
CH 1 RIGHT
OUT A
+
-
30.1
30.1
CH 1 RIGHT
OUT B
+
-
CH 1 LEFT
CH 1 RIGHT
+
-
10K
10K
+
-
+
-
.01
MON A
100
10K
47K
2200 2200
GREEN RED
4001
2N4123
2N4123
+12
DS2E-M-DC12V
+17A
4700
100K
TL072
100K
4700
TL072
MON A LEFT
MON A RIGHT
1/A LEFT
METER DRIVE
1/A RIGHT
METER DRIVE
TRF-SL/TRF-TM FINAL AMP
CHANNEL 1/METER 1 OUT
21-Apr-94
Gain
Fader
P1-25
P1-26+
11
3 2
10
HLMP1540 HLMP1340
LG-185
LG-185
4700
4700
+ +
+12 -12
.22.22
51
R44
IC23
IC22
C2
C1
P1-37
P1-39
P1-38
+17
SIGNAL
GROUND
-17
C20
C21
D4
D3
+17A
C16 C17
P2-8,J
12A
C20
IC21a
R77b R77a
C22
C23
P8-3
P8-5
P7-1
S1
S2
R78
R81
Q3
Q4
R82
D5 "A" D7 "1"
R104R103
P8-2P7-2
P8-1
D2
RY2
P1-6 R37a
2
1
IC11a
R39a R39b
1 2 3 4
1
3
R37b
R39c R39d
5 6 7 8
IC10a
P1-5
R91
P2-6
P2-7
R92
R55 R56
IC12a
IC12b
R47
R93
R94
P2-F
P2-H
IC13a
IC13b
R48
P1-2
R34
R57 R58
R99
R100
R2-11
R2-12
R63 R64
IC16a
IC16b
R95
R96
P2-9
P2-10
IC14a
IC14b
R59 R60
R49
R97
R98
P2-K
P2-L
R61 R62
IC15a
IC15b
R50R33
P1-1
C11
R3
IC2a
R4
R40a
P3-2
P3-1
P3-3
R54
R53
C13
R15
IC4a
R16
P3-6
P3-5
P3-4
R40b
IC4b
IC3b
IC3a
R12 R13
R14
R11
C5
C6
R9
R10
P1-18
P1-17
P1-22
P1-21
C3
C4
R1
R2
IC1b
IC1a
IC2b
R6 R7
R8
R5
P1-40
LOGIC
GROUND
1000
5100
5000
BALANCE
1000
5100
5000
1 LF
1 RT
5000
TRF-SL HAS R40 & R41
TRF-TM HAS R116 & R117
R116
R117
R42
R108
R110
R109
R111
P4-1
P4-2
P4-3
+
-
+12
-12
1
8
43
2
+12
-12
1
8
43
2
+12
-12
1
8
43
2
+12
-12
1
8
43
2
+12
-12
1
8
43
2
+12
-12
1
8
43
2
+12
-12
1
8
43
2
+12
-12
1
8
43
2
+12
-12
1
8
43
2
7812
7912
1
1
10
10
1N4001
1N4001
+12
-12
+
+
+
+
1 23
1
2
3
2
1
3
+12
-12
1
8
43
2
+12
-12
1
8
43
2
7
6
9
R
S
Q
4044
o
o
.047
100K100K
CH 2
562
+
-
+
-
75pf
6
5
7
NE5532
47
42204220
NE5532
NE5532
5
6 7
+
-
42204220
NE5532
5
6 7
562
75pf
NE5532
4220+
-
10K
NE5532
4220
CH 2 LEFT
BUS
+
-2200
5100
562
75pf
6
5
7
NE5532
47
+
-
42204220
NE55325
6 7
562
75pf
NE5532
4220
10K
NE5532
4220
CH 2 RIGHT
BUS
+
-
2200
5100
+
-
+
-
1000
42204220
NE5532
NE5532
5
6 7
+
-
+
-
1000
42204220
NE5532
NE5532
5
6 7
+
-
+
-
1000
42204220
NE5532
NE5532
5
6 7
+
-
+
-
1000
42204220
NE5532
NE5532
5
6 7
30.1
30.1
CH 2 LEFT
OUT A
+
-
30.1
30.1
CH 2 LEFT
OUT b
+
-
30.1
30.1
CH 2 MONO
OUT
+
-
30.1
30.1
CH 2 RIGHT
OUT A
+
-
30.1
30.1
CH 2 RIGHT
OUT B
+
-
CH 2 LEFT
CH 2 RIGHT
+
-
10K
10K
+
-
+
-
.01
MON B
10K
47K
2200 2200
GREEN RED
4001
2N4123
2N4123
+12A
DS2E-M-DC12V
+17A
4700
100K
TL072
100K
4700
TL072
5
6
7
MON B LEFT
MON B RIGHT
2/B LEFT
METER DRIVE
2/B RIGHT
METER DRIVE
TRF-SL/TRF-TM FINAL AMP
CHANNEL 2/METER 2 OUT
21-Apr-94
P1-27
P1-28
11
6 5
HLMP1540 HLMP1340
LG-185
LG-185
4700
4700
+ +
+12 -12
.22.22
IC21b
C21
C24
S3
S4
P7-3
P7-5
P7-1
R77d R77c
R79
Q1
Q2
R80
D6 "B" D8 "2"
R105 R106
D1
RY1
6
5
7
P1-7
P1-8 R37c
R37d
5
1
4
1
1 2 3 4
R38a R38b
IC11b
IC10b
5 6 7 8
R38c R38d
R65
IC17b
IC17a
R69 R70
R83
R84
P2-1
P2-2
P2-A
P2-B
IC18a
IC18b
R71 R72
R66
P2-M
P2-N
R101
R102
R45 R46
IC9a
IC9b
+
+18 -18
.22
C15
P2-4
P2-5
R87
R88
R73 R74
IC19a
IC19b
R67
P2-D
P2-E
R89
R90
R75 R76
IC20a
IC20b
R68
P2-3,C
C18 C19
P1-3
R36
R32
IC7a
C12
R29
R52
R51
IC5a
R21
C14
P1-4
R35
R22
P1-10
P1-9
C7
R23
IC6b
IC6a
C8
R24
R18 R19
R20
R17
IC5b
IC7b
R26 R27
R28
R25
R30
R31
C10
C9
IC8b
P1-14
P1-13
IC8a
P8-1
P7-4 P7-2
R85
R86
10K
10K
Gain
Fader
R41a
P5-2
P5-1
P5-3
P5-6
P5-5
P5-4
R41b
1000
5100
5000
BALANCE
1000
5100
5000
1 LF
1 RT
5000
TRF-SL HAS R42 & R43
TRF-TM HAS R118 & R119
R119
R118
R43
R112
R114
R113
R115
P6-1
P6-2
P6-3
+12
-12
1
8
43
2
+12
-12
1
8
43
2
+12
-12
1
8
43
2
+12
-12
1
8
43
2
+12
-12
1
8
43
2
+12
-12
1
8
43
2
+12
-12
1
8
43
2
+12
-12
1
8
43
2
+12
-12
1
8
43
2
P1-5
P2-14,15
P1-6
SIGNAL
GROUND
SAFETY
GROUND
CASE
P2-6
1 AMP
SLO-BLO
5115-2012
P6-3
P6-4
P7-4P4-4
P7-3
P4-3
P5-4
P5-3
KBPC
602
METER LIGHTS METER LIGHTS
P1-1
P1-2
27K
5100
-12
10K
620
4
5
2
13
+12
1N4001
1N4001
P3-1
P3-3
SP 1
CUE
P2-1
50KP6-6 P6-5
P2-10
VU METER
50KP7-6 P7-5
P2-9
VU METER
50KP4-6 P4-5
P2-12
VU METER
50KP5-6 P5-5
P2-11
VU METER
120
VAC
10
.33
C5
R5
TR2 SUPPLY/CUE LG-187
CUE AMP/METERS/SUPPLY
21-Apr-94
+
R2
R3
R4
D2
D1
IC1
LM1875
R6C3
1
Q2
J176
Q1
J176
10K
R1
P2-2
MONO
CUE
CUE
MUTE
2/B LEFT
M3
M4
2/B RIGHT
R8
R7
2/B LEFT
METER DRIVE
METER DRIVE
2/B RIGHT
1/A LEFT
METER DRIVE
METER DRIVE
1/A RIGHT
1/A LEFT
1/A LEFT
M1
M2
R10
R9
P2-13
P1-4
P1-3
SUPPLY
GROUND
+
+
3900 3900
C1 C2
+17 -17
P2-7,8 P2-4,5
+
+
+
1
2
3
3
1
2
7912
IC3
IC2
7812C6
10
C7
10
1N4001
D3
D4
1N4001
C4
.22
+12
-12
P2-3
T1
RT1
B1 B2 B7 B8
1 2 3
14
6
9
7
4
2
13
11
1,3,5,
8,10,12
14
6
9
7
4
2
13
11
1,3,5,
8,10,12
14
6
9
7
4
2
13
11
1,3,5,
8,10,12
14
6
9
7
4
2
13
11
1,3,5,
8,10,12
14
6
9
7
4
2
13
11
1,3,5,
8,10,12
in1
C1
C2
in2G
V-
O
O
V+
1
2
in1
C1
C2
in2G
V-
O
O
V+
1
2
in1
C1
C2
in2G
V-
O
O
V+
1
2
in1
C1
C2
in2G
V-
O
O
V+
1
2
in1
C1
C2
in2G
V-
O
O
V+
1
2
+12
-12
620
620
MM 1
CUE R
+12
-12
562
562
-
+
CH 1
L
+12
-12
562
562
-
+
CH 2
L
+12
-12
562
562
-
+
CH 1
R
+12
-12
562
562
CH 2
R
+
-
+
-
10K
100K
4220
8200
75pf
6
5
7
NE5532
47
5100
1000
42204220
NE5532
NE5532
5
6
7
+
-
+
-
10K
100K
75pf
2
3
1
NE5532
47
5100
1000
42204220
NE5532
NE5532
5
6
7
4220
CH2 ON
SSM2402
SSM2402
SSM2402
SSM2402
SSM2402
14
6
9
7
4
2
13
11
1,3,5,
8,10,12
in1
C1
C2
in2G
V-
O
O
V+
1
2
SSM2402
4700
4700
4700
4700
1
2
1
2
+12
-12
620
620
MM 2
CUE L
CH1 ON
+12
-12
7
43
2
+12
-12
7
43
2
1
1
5,6
5,6
SSM2143
SSM2143
100K
100K
100K
100K
10K
10K
DS4E-M-DC24V
MIDDLE
LEFT
BOTTOM
LEFT
MIDDLE
RIGHT
BOTTOM
RIGHT
-
+
-
+
-
+
-
+
.1 .1
+12 -12
10k
12
3 4
56
7 8
P&G
FADER
TRI-3L INPUT MIXER LG-188
Audio Section
+
+ +
-12 +12
.22
.22
.22
-
+
CUE ON
R48
P2-7
P2-6
P5-H
P2-F
P2-10
P2-9
P2-L
P2-K
R50
R49
R51
R53
R52
IC15
IC14
R62a
R62b
P1-4
P1-6
P9-3
P9-2
P9-1
P1-2
-8
P1
P9-6
P9-5
P9-4
RY2R37
R35
IC11b
+12
-12
4
8
R38 R39
C24
C22
R40
R44
IC11a
R36
C23
R33
C21
R42
R46
IC13a
IC13b
R47 R45
IC12b
IC12a
R43 R41
R24a
R24b
R24c
R24d
MM 1
P7
MM 2
P8
IC6
R23
R21
C29 C30
IC5
R22
R20
R28
R27
IC8
IC10
IC7
R32
R31
R26
R25
IC9
R30
R29
P1-28
P1-32
P1-17
P1-18
P1-9
P1-10
P1-21
P1-22
P1-13
P1-14
P1-26
P1-30
JMP1
JMP2
C27
C25
C26
21-Apr-94
P2-8
P2-J
DS4E-M-DC24V
RY1
TOP
LEFT
-
+
-
+
TOP
RIGHT
P2-D
P2-C
P2-E
P2-5
P2-4
P2-3
TOP INPUT
MIDDLE INPUT
BOTTOM INPUT
1 2
+12
-12
1
8
43
2
+12
-12
1
8
43
2
R67
100K
R66
100K
100k100k
250p
1
CUE
+5
HLMP1440
YELLOW
620
+5
2N4123
5100
100K
100k
1
ON
+5
10K
2N4125
5100
5100
100k100k
600p
1
CH 2
+5
1
2
3
14
4
12
V+
J
K
CLR
>CK
Q
74HC73
HLMP1340
RED300
+5
5100
100K
100k100k
600p
1
CH 1
+5
5
6
10
7
9
J
K
CLR
>CK
Q
74HC73
3
4
13
V+
R
S
Q
4044
CUE ON
1N4148 +5
300
+17
370
MPSA13
+
+5
1100k
+5
ULN2801A
CH2 ON11
HLMP1340
RED300
+5
5100
100KULN2801A
CH1 ON
+5
1N4148
1N4148
+
1N4148
1N41481
TIMER
.01
LINE3
o
S
R
en
3
3
o
o15
14
16
51N4148
100K+5
+5
100K
1N414815
9
4
1 184700
1N4148
4700
ULN2801A
ULN2801A
HLMP1540
Green
Line3
Ctrl
+17A
1N4001
DS2E-M-DC12V
7
6
9
R
S
Q
4044
.047
Line1
1
1
1
1N4148
100K
+5
100K
1N4148136
3 164700
1N4148
4700
ULN2801A
ULN2801A
HLMP1540
Green
Line1
Ctrl
11
12
10
R
S
Q
4044
.01
Line2
2
2
2
1N4148
100K
+5
100K
1N4148145
2 174700
1N4148
4700
ULN2801A
ULN2801Ab
HLMP1540
Green
Line2
Ctrl
+5
8
+
+
+
+
IC17
IC19
D12
1N4001
1N4001
D17
C10
C20
10
10
C19
C18
1
1
2
3
1
2 3
7812
1
7912
+12
-12
1 2 3
+
IC18
D13
1N4001
C9
102
378LO5
1
51+17A
+17
-17
GND
+5
+5
.1
8 11
7 12
5 6
100
TMR
7
8
J3-2
5
6 J4-2
J4-1
5 6
J3-1
3
REMOTE
ON
2 1
7 8 J3-7 J4-7
J4-5
J3-3
300
4 3
3 4
J3-4J4-4
J3-5
J4-3
POWER
SIGNAL
GND
TRI-3L INPUT MIXER LG-188
Control Section
21-Apr-94
R9d R9e
1
C15
C14
R9b
C13
R17C12
P2-1
J6-6
SW7
SW6
J6-1
J6-4
1
IC3a
1
R6d R6e
C8
C6
SW4
1
R6b R6a
C7
C5J4-6
SW5
IC3b
LG-181
LG-187
Q2
R12
R13
Q3
R14
B1
R19D16
R10
R11
Q1
D25
R16
R15
P5
D14
D15
C10
BUS
P6-5
P6-6
R5c
R8IC2h
IC2gR7
D10
D11
D23
D24R55
R5d
R56
J3-3
J3-3
R18
P1-40
P1-37
P1-39
P1-38
J4-6
C2
SW3
C4
IC1cR3
R2D5
D6
IC1b
IC1a
R1d
R1c
R1a
R1b
D2
D1
C1
SW1
SW2
J3-6
D4
D3
1
3
2
1
5
4
C3
IC2a
IC2d
P2-2
R4a
R4d
D7
D20D18
RY1
R5b
D9
R4b
IC2f
IC2c
D21R54
P2-A
+17A
1N4001
DS2E-M-DC12V
D19
RY2
P2-B
IC2e
IC2b
R5a
D8
R4c
1 2
5 6
D22
LG-187
P6-3 P6-2
LG-187
LG-181
LG-181
LG-181
LG-181
LG-181
LG-181
P1-36
1
2
3
14
4
12
V+
J
K
CLR
>CK
Q
74HC73
600p
5
6
10
7
9
J
K
CLR
>CK
Q
74HC73
11
Q-
8
+5
+5
IC4a
IC4b
C16
14
1 2
37
4
+5IC20a
4584
IC20b
4584
+5
C35
.01
LG-199
1
5
11
8
9
12
4
+
+
+
+
14
6
9
7
4
2
13
11
1,3,5,
8,10,12
14
6
9
7
4
2
13
11
1,3,5,
8,10,12
14
6
9
7
4
2
13
11
1,3,5,
8,10,12
14
6
9
7
4
2
13
11
1,3,5,
8,10,12
14
6
9
7
4
2
13
11
1,3,5,
8,10,12
in1
C1
C2
in2G
V-
O
O
V+
1
2
in1
C1
C2
in2G
V-
O
O
V+
1
2
in1
C1
C2
in2G
V-
O
O
V+
1
2
in1
C1
C2
in2G
V-
O
O
V+
1
2
in1
C1
C2
in2G
V-
O
O
V+
1
2
+12
-12
620
620
MM 1
CUE R
+12
-12
562
562
-
+
CH 1
L
+12
-12
562
562
-
+
CH 2
L
+12
-12
562
562
-
+
CH 1
R
+12
-12
562
562
CH 2
R
+
-
+
-
10K
100K
4220
8200
75pf
6
5
7
NE5532
47
5100
1000
42204220
NE5532
NE5532
5
6
7
+
-
+
-
10K
100K
75pf
2
3
1
NE5532
47
5100
1000
42204220
NE5532
NE5532
5
6
7
4220
CH2 ON
SSM2402
SSM2402
SSM2402
SSM2402
SSM2402
14
6
9
7
4
2
13
11
1,3,5,
8,10,12
in1
C1
C2
in2G
V-
O
O
V+
1
2
SSM2402
4700
4700
4700
4700
1
2
1
2
+12
-12
620
620
MM 2
CUE L
CH1 ON
+12
-12
7
43
2
+12
-12
7
43
2
1
1
5,6
5,6
SSM2143
SSM2143
100K
100K
100K
100K
10K
10K
10k
12
3 4
56
7 8
P&G
FADER
TRI-L INPUT MIXER LG-189
Audio Section
+
+ +
-12 +12
.22
.22
.22
-
+
CUE ON
R48
R50
R49
R51
R53
R52
IC15
IC14
R71a
R71b
P1-4
P1-6
P9-3
P9-2
P9-1
P1-2
-8
P1
P9-6
P9-5
P9-4R37
R35
IC11b
+12
-12
4
8
R38 R39
C24 C22
R40
R44
IC11a
R36
C23
R33
C21
R42
R46
IC13a
IC13b
R47 R45
IC12b
IC12a
R43 R41
R24a
R24b
R24c
R24d
MM 1
P7
MM 2
P8
IC6
R23
R21
IC5
R22
R20
R28
R27
IC8
IC10
IC7
R32
R31
R26
R25
IC9
R30
R29
P1-28
P1-32
P1-17
P1-18
P1-9
P1-10
P1-21
P1-22
P1-13
P1-14
P1-26
P1-30
JMP1
JMP2
C27
C25
C26
21-Apr-94
P2-7
P2-6
P2-10
P2-9
P2-8
-
+
-
+
RIGHT
IN
LEFT
IN
+
-
+
-
+
-
+
-
+12
-12
1
8
43
2
SW1
2P5TP10-1
P10-2
P10-3
P10-4
P10-5
P10-6
P10-7
P10-8
P10-9
P10-10
P10-12
P10-11
20K
5000
R63
R70
20K
R62
P11-2
P11-3
P11-120K
R60
20K2200
R59 R61
IC17a
NE5532
BALANCE
7
6
5IC17b
NE5532
2200
R56
INPUT
MODE
RT
LF
MN
PH
ST
RT
LF
MN
PH
ST
5100 5100
R56 R57
NE5532
IC16a
NE5532
IC16b
7
6
5
20K
20K
R54
R55
GND
+12
-12
1
8
43
2
+12
-12
1
8
43
2
+12
-12
1
8
43
2
R72
100K
R73
100K
100k100k
250p
1
CUE
+5
HLMP1440
YELLOW
620
+5
2N4123
5100
100K
100k
1
ON
+5
10K
2N4125
5100
5100
100k100k
600p
1
CH 2
+5
1
2
3
14
4
12
V+
J
K
CLR
>CK
Q
74HC73
HLMP1340
RED
300
+55100
100K
100k100k
600p
1
CH 1
+5
5
6
10
7
9
J
K
CLR
>CK
Q
74HC73
CUE ON
1N4148 +5
300
+17
370
MPSA13
+
+5
1100k
+5
2N4123
CH2 ON11
HLMP1340
RED
3005100
100K
2N4123
CH1 ON
+5
1N4148
1N4148
+
1N4148
1N41481
TIMER+
+
+
+
IC18
IC19
D12
1N4001
1N4001
D17
C10
C20
10
10
C19
C18
1
1
2
3
1
2 3
7812
1
7912
+12
-12
1 2 3
+
IC1
D13
1N4001
C9
102
378LO5
1
51+17A
+17
-17
GND
+5
5 6
100
TMR
J3-2
J4-2
J4-1
5 6
J3-1
3
REMOTE
ON
POWER
SIGNAL
GND
TRI-L INPUT MIXER LG-189
Control Section
21-Apr-94
R9d R9e
1
C15
C14
R9b
C13
R17C12
P2-1
J6-6
SW7
SW6
J6-1
J6-4
1
IC3a
1
R6d R6e
C8
C6
SW4
1
R6b R6a
C7
C5J4-6
SW5
IC3b
LG-191
LG-187
Q2
R12
R13
Q3
R14
B1
R19D16
R10
R11
Q1
D25
R16
R15P5
D14
D15
C10
BUS
P6-5
P6-6
R65
R8
Q6
Q7
R7
D10
D11
D23
D24
R55R64
R56
J3-3
R18
P1-40
P1-37
P1-39
P1-38
LG-187
P6-3 P6-2
LG-187
LG-191
P1-36
+
1
C28
D18
1N4148
100K
R68
Q4
MPSA13
P2-A
P2-CGND
START
PULSE
+
1
C29
D19
1N4148
100K
R69
Q5
MPSA13
P2-B
STOP
PULSE
1
2
3
14
4
12
V+
J
K
CLR
>CK
Q
74HC73
600p
5
6
10
7
9
J
K
CLR
>CK
Q
74HC73
11
Q-
8
+5
+5
IC4a
IC4b
C16
14
1 2
37
4
+5IC20a
4584
IC20b
4584
+5
C35
.01
LG-199
1
5
11
8
9
12
4
+
+
+
+
14
6
9
7
4
2
13
11
1,3,5,
8,10,12
14
6
9
7
4
2
13
11
1,3,5,
8,10,12
14
6
9
7
4
2
13
11
1,3,5,
8,10,12
14
6
9
7
4
2
13
11
1,3,5,
8,10,12
14
6
9
7
4
2
13
11
1,3,5,
8,10,12
in1
C1
C2
in2G
V-
O
O
V+
1
2
in1
C1
C2
in2G
V-
O
O
V+
1
2
in1
C1
C2
in2G
V-
O
O
V+
1
2
in1
C1
C2
in2G
V-
O
O
V+
1
2
in1
C1
C2
in2G
V-
O
O
V+
1
2
+12
-12
620
620
MM 1
CUE R
+12
-12
562
562
-
+
CH 1
L
+12
-12
562
562
-
+
CH 2
L
+12
-12
562
562
-
+
CH 1
R
+12
-12
562
562
CH 2
R
+
-
+
-
10K
100K
4220
8200
75pf
6
5
7
NE5532
47
5100
1000
42204220
NE5532
NE5532
5
6
7
+
-
+
-
10K
100K
75pf
2
3
1
NE5532
47
5100
1000
42204220
NE5532
NE5532
5
6
7
4220
CH2 ON
SSM2402
SSM2402
SSM2402
SSM2402
SSM2402
14
6
9
7
4
2
13
11
1,3,5,
8,10,12
in1
C1
C2
in2G
V-
O
O
V+
1
2
SSM2402
4700
4700
4700
4700
1
2
1
2
+12
-12
620
620
MM 2
CUE L
CH1 ON
20010
+12
-12
7
43
2
1
5,6
SSM2143
100K
100K
10K
47
.1 .1
+12 -12
++
+
+17A
300
100
1000
1000
10K
10K
100
100
600pf
Phantom
Power
+
-
MIC
IN
10k
12
3 4
56
7 8
P&G
FADER
TRI-M INPUT MIXER LG-190
Audio Section
10K
+
+ +
-12 +12
.22
.22
.22
-
+
CUE ON
P2-3
P2-4
R54
R58
C33
C32
R60
R57
C31
R55 R56
R61
P10
R59 C34
R51
R53
R52
IC14
R78a
R78b
P1-4
P1-6
P9-3
P9-2
P9-1
P1-2
-8
P1
P9-6
P9-5
P9-4R37
R35
IC11b
+12
-12
4
8
R38 R39
C24 C22
R40
R44
IC11a
R36
C23
R33
C21
R42
R46
IC13a
IC13b
R47 R45
IC12b
IC12a
R43 R41
R24a
R24b
R24c
R24d
MM 1
P7
MM 2
P8
IC6
R23
R21
C29 C30
IC5
R22
R20
R28
R27
IC8
IC10
IC7
R32
R31
R26
R25
IC9
R30
R29
P1-28
P1-32
P1-17
P1-18
P1-9
P1-10
P1-21
P1-22
P1-13
P1-14
P1-26
P1-30
C28
JMP1
JMP2
C27
C25
C26
-
+
G1
G2
1
2
34
-12
5
6
7
+12
8
IC16
SSM2017
MIC
GAIN
21-Apr-94
P2-5
+
-
+
-
20K
5000
R67
R77
20K
R66
P11-2
P11-3
P11-120K
R71
20K2200
R68 R70
IC17a
NE5532
BALANCE
7
6
5IC17b
NE5532
2200
R69
P2-9
P2-10
INSERT
RETURN
-
+
+-
+-
4220 4220
NE5532
NE5532
5
6
7
IC15a
IC15b
R63R62
+
-
P2-6
P2-7
INSERT
OUT
30.1
30.1
100K
R50
R65
R64
GNDP2-8
GND
2200
R79
+12
-12
1
8
43
2
+12
-12
1
8
43
2
+12
-12
1
8
43
2
+12
-12
1
8
43
2
R81
100K
R80
100K
100k100k
250p
1
CUE
+5
HLMP1440
YELLOW
620
+5
2N4123
5100
100K
100k
1
ON
+5
10K
2N4125
5100
5100
100k100k
600p
1
CH 2
+5
1
2
3
14
4
12
V+
J
K
CLR
>CK
Q
74HC73
HLMP1340
RED
300
+55100
100K
100k100k
600p
1
CH 1
+5
5
6
10
7
9
J
K
CLR
>CK
Q
74HC73
CUE ON
1N4148 +5
300
+17
370
MPSA13
+
+5
1100k
+5
2N4123
CH2 ON11
HLMP1340
RED
3005100
100K
2N4123
CH1 ON
+5
1N4148
1N4148
+
1N4148
1N41481
TIMER
+
+
+
+
IC18
IC19
D12
1N4001
1N4001
D17
C10
C20
10
10
C19
C18
1
1
2
3
1
2 3
7812
1
7912
+12
-12
1 2 3
+
IC1
D13
1N4001
C9
102
378LO5
1
51+17A
+17
-17
GND
+5
5 6
100
TMR
J3-2
J4-2
J4-1
5 6
J3-1
3
REMOTE
ON
POWER
SIGNAL
GND
TRI-M INPUT MIXER LG-190
Control Section
21-Apr-94
R9d R9e
1
C15
C14
R9b
C13
R17C12
P2-1
J6-6
SW7
SW6
J6-1
J6-4
1
IC3a
1
R6d R6e
C8
C6
SW4
1
R6b R6a
C7
C5J4-6
SW5
IC3b
LG-191
LG-187
Q2
R12
R13
Q3
R14
B1
R19D16
R10
R11
Q1
D25
R16
R15
P5
D14
D15
C10
BUS
P6-5
P6-6
R73
R8
Q5
Q4
R7
D10
D11
D23
D24
R74R72
R75
J3-3
R18
P1-40
P1-37
P1-39
P1-38
LG-187
P6-3 P6-2
LG-187
LG-191
P1-36
100K
R76
Q6
MPSA13
P2-A
P2-BGND
CTRL
OUT
+
+
+
+
1
2
3
14
4
12
V+
J
K
CLR
>CK
Q
74HC73
600p
5
6
10
7
9
J
K
CLR
>CK
Q
74HC73
11
Q-
8
+5
+5
IC4a
IC4b
C16
14
1 2
37
4
+5IC20a
4584
IC20b
4584
+5
C35
.01
LG-199
1
5
11
8
9
12
4
IN 8HLMP1540
GREEN
+12
4700
IN 6
IN 4
IN 2
ULN2801A
1 17
TRI-P PRESELECTOR LG-196
21-Apr-94
S2
J3-6
J3-10
J4-4
S6
S4
S8
J4-8
LG-195
R2c
5 6
IC3a
J4-7
D10
J3-1
+
-13
12
11
10
P2-25
P2-27
4
5
6
7
P2-26
P2-28
1
16
14
3
+12
-12
2
15GND2D
2C
2B
2A
O2
8
9
O1
1A
1B
1C
1D
A2
V+
V-
MAX329
IC7
IC11b
NE5532
IN 7
J4-6
S7
IN 5
J4-2
S5
IN 3
J3-8
S3
IN 1
J3-4
S1
J3-2
+12
R6a
100K
C13
.01
R6b
100K
C12
.01
R6d
100K
C14
.01
R6e
100K
C15
.01
R5a
100K
C11
.01
R5b
100K
C10
.01
R5d
100K
C8
.01
R5e
100K
C9
.01
HLMP1540
GREEN
4700
ULN2801A
2 16
R2d
7 8
IC3b
J4-5
D9
HLMP1540
GREEN
4700
ULN2801A
3 15
R2a
1 2
IC3c
J4-3
D8
HLMP1540
GREEN
4700
ULN2801A
4 14
R2b
3 4
IC3d
J4-1
D7
HLMP1540
GREEN
4700
ULN2801A
5 13
R1a
1 2
IC2f
J3-9
D6
HLMP1540
GREEN
4700
ULN2801A
6 12
R1b
3 4
IC2f
J3-7
D5
HLMP1540
GREEN
4700
ULN2801A
7 11
R1c
5 6
IC2f
J3-5
D4
HLMP1540
GREEN
4700
ULN2801A
8 10
R1d
7 8
IC2f
J3-3
D3
9
LG-195
2200
P2-23
P2-29
P2-24
P2-30
P2-40
30.1
+
-
IC11a
NE5532
P2-39
30.1
5
6
7
A1
A0
D7
D6
D5
D4
D3
D2
D1
D0
4
3
2
1
13
12
11
10
IC5
4532
V+
Ein
Eout
GS
Q2
Q1
Q0
GND
IC6
4175
V+
GND
RST
CLK
D3
D2
D1
D0
Q3
Q3
Q2
Q2
Q1
Q1
Q0
Q0
16
9
13
12
5
4
1
8
14
15
11
10
6
7
3
2
+12
+12
8
+12
+12
16
5
15
14
6
7
9
C7
.01
R3
100K
+12
IC4
4555
V+
2C
2B
2A
1C
1B
1A
GND
2Q3
2Q2
2Q1
2Q0
1Q3
1Q2
1Q1
1Q0
16
15
13
14
1
3
2
8
9
10
11
12
7
6
5
4
+12
13
12
11
10
P2-33
P2-35
4
5
6
7
P2-34
P2-36
1
16
14
3
+12
-12
2
15GND2D
2C
2B
2A
O2
8
9
O1
1A
1B
1C
1D
A2
V+
V-
MAX329
IC8
P2-31
P2-37
P2-32
P2-38
A1
A0
Rt IN 1+
Rt IN 2+
Rt IN 3+
Rt IN 4+
Rt IN 5+
Rt IN 6+
Rt IN 7+
Rt IN 8+
Rt IN 1-
Rt IN 2-
Rt IN 3-
Rt IN 4-
Rt IN 5-
Rt IN 6-
Rt IN 7-
Rt IN 8-
+
-
RIGHT
SELECT
OUT
+
-
13
12
11
10
P2-3
P2-5
4
5
6
7
P2-4
P2-6
1
16
14
3
+12
-12
2
15GND2D
2C
2B
2A
O2
8
9
O1
1A
1B
1C
1D
A2
V+
V-
MAX329
IC10
IC12b
NE5532
P2-1
P2-7
P2-2
P2-8
P2-18
30.1
+
-
IC12a
NE5532
P2-17
30.1
5
6
7
A1
A0
13
12
11
10
P2-11
P2-13
4
5
6
7
P2-12
P2-14
1
16
14
3
+12
-12
2
15GND2D
2C
2B
2A
O2
8
9
O1
1A
1B
1C
1D
A2
V+
V-
MAX329
IC9
P2-9
P2-15
P2-10
P2-16
A1
A0
Lf IN 1+
Lf IN 2+
Lf IN 3+
Lf IN 4+
Lf IN 5+
Lf IN 6+
Lf IN 7+
Lf IN 8+
Lf IN 1-
Lf IN 2-
Lf IN 3-
Lf IN 4-
Lf IN 5-
Lf IN 6-
Lf IN 7-
Lf IN 8-
+
-
LEFT
SELECT
OUT
+
+
+
+
IC2
IC1
D2
1N4001
1N4001
D1
C4
C3
10
10
C2
C1
1
1
2
3
1
2 3
78121
7912
+12
-12
+17
-17
GND
SIGNAL
P1-37
P1-39
P1-38
4220
4220
R18
R17
C21
75p
C20
75p
R22
R21
R20
R19
4220
R16
4220
R15
C18
75p
C19
75p
P2-18,19,20,21
LOGIC
GNDP1-40
R23
2
1
3
1
5
1
6
1
2
1
3
1
5
1
6
1
+
+18
-18
C17
.22
+
+18
-18
C16
.22
+
+12
-12
C6
.22
+12
-12
1
8
43
2
+12
-12
1
8
43
2