5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
B
1. ALL RESISTORS ARE 1/4W, 5%.
NOTE: UNLESS OTHERWISE SPECIFIED
L IN
L OUT
R IN
R OUT
MONITOR
+12V IN
-12V IN
TALLY OUT
POWER IN
MIC 1
CONNECT
TO
CHASSIS
VIA MTG.
SCREW
MIC 2
MIC 3
MIC 4
3800
A
SCHEMATIC: MIXER MATE
HENRY ENGINEERING
503 Key Vista Drive
Sierra Madre, CA 91024 USA
telephone - (626) 355-3656
FAX (626) 355-0077
1
1
Friday, April 06, 2007
Title
Size
Document Number
Rev
Date:
Sheet
of
+12V
-12V
-12V
-12V
-12V
-12V
-12V
+12V
+12V
+12V
+12V
+12V
-12V
+12V
-12V
S3C
5
6
4
D3 1N4004
D5
1N4004
S4B
8
9
7
S2C
5
6
4
J1
R
T
S
S3B
8
9
7
S1C
5
6
4
R9 2.4K
S2B
8
9
7
S5D
4
5
J5C
5
4
E1
S4D
11
12
10
D4 1N4004
S3D
11
12
10
S1A
2
3
1
R2
100
R13
2.4K
J5A
2
1
S2D
11
12
10
LED1
E2
LED4
J5D
6
4
LED2
J4
R
T
S
R14 100
S4A
2
3
1
J3
R
T
S
R11
100
S1B
8
9
7
S3A
2
3
1
S5A
1
8
D1 1N4004
J2
R
T
S
R8
100
E3
S2A
2
3
1
R1
10K
R5
100
R3 2.4K
R10 2.4K
R12
10K
R4 2.4K
LED5
R7
10K
S5B
2
7
R6
10K
D2 1N4004
K1
4
6
8
13
11
9
1
16
S1D
11
12
10
LED3
J6
5
2
1
S5C
3
6
J5B
3
1
S4C
5
6
4