5050 b, Henry engineering, Tel in – Henry Engineering Studiodrive User Manual
Page 7: Process insert ac input mic preamp, Pwr gnd
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
WHT
BLK
115V
B
230V
COUGH SW
1. ALL RESISTORS ARE 1/4W, 1%.
NOTE: UNLESS OTHERWISE SPECIFIED
TEL IN
CW
INSERT
OFF
ON
PROCESS
INSERT
AC
INPUT
MIC
PREAMP
ON
OFF
LINE 2 IN L
REC OUT R
LINE 1 IN
REC OUT L
MIXMINUS OUT
PGM OUT L
AIR IN L
LINE 2 IN R
COMP IN L
PGM OUT R
MONITOR OUT
MIC TALLY/
COUGH
SW.
GND RTN
AIR IN R
COMP IN R
OFF
115V
PWR GND
5050
B
SCHEMATIC: I/O BOX
HENRY ENGINEERING
503 Key Vista Drive
Sierra Madre, CA 91024 USA
telephone - (626) 355-3656 FAX (626) 355-0077
11
Thursday, January 08, 2004
Title
S
iz
e
Document Number
Rev
Date:
Sheet
of
MON_L
PGM_
L+
REC_L-
LINE2_L-
REC_R-
PGM_L-
COMP_L
+
LINE2_L+
REC_L+
COMP_R+
REC_R+
COMP_L-
LINE_1_R
AIR_R-
AIR_R+
COMP_R-
TEL_IN
MIC
MIXMINUS
PGM_R
+
PGM_R-
AIR_L-
MON_R
LINE2_R+
LINE_1_L
TALLY
AIR_L+
LINE2_R-
MIC_CON
+15V
-15V
+18V
-18V
-15V
+15
V
+18
V
-18V
+
C9
47uF 63V
+
C1
1000uF
J7 NJ3FD-V
2
1 3
R2
47 5%
C11
.1uF
R1
10.0K
E3
E2
JP2
1
2
3
Q
2
LM7912
2
3
1
IN
OUT
GND
J11 NJ3FD-V
2
1 3
D7
1N4002
D5
1N4004
D10
1N4002
J4 NJ3FD-V
2
1 3
+
C2
1000uF
TP3
1
J15 NJ3FD-V
2
1 3
D9
1N4002
TP2
1
D8
1N4002
E5
E1
+
-
U1
S
S
M-2019
3
2
6
7
1
4
5
8
R4 10
C10 .001uF
J8 NJ3FD-V
2
1 3
VR1
100
1
3
2
R3
10.0K
J1 NJ3FD-V
2
1 3
JP1
1
2
3
C6 .001uF
T2
42TM018
1
4
2
6
J12 NJ3FD-V
2
1 3
TP1
1
J14 NJ3FD-V
2
1 3
J5 NJ3FD-V
2
1 3
D4
1N4004
E7
+
C5
47uF 63V
J9 NJ3FD-V
2
1 3
J16
NC3FAV
1
2
3
+
C8
47uF 25V
J2 NJ3FD-V
2
1 3
J18
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
D3
1N4004
J13 NJ3FD-V
2
1 3
D6
1N4004
E6
F1
250mA
J6 NJ3FD-V
2
1 3
C7
200pF
T1
X7003
2
3
5
6
4
11
12
14
13
J10 NJ3FD-V
2
1 3
D2
1N4004
Q
1
LM7812
3
2
1
IN
GND
OUT
J17 NJ3FD-V
2
1 3
E4
J3 NJ3FD-V
2
1 3
D1
1N4004
C4
.1uF
C3
.33uF