Download SVT-CL

A
B
C
C7
J2
D
R22
220K
1/4W
5per
15mV
-15dB INPUT
C9
P1
8
GAIN
9
I
C
O
1M A
SW1:B
22K
1/4W
5per
R3
R6
4.7K
1/4W
5per
100K
1/4W
5per C1
100K
1/2W
1per
TC
TI
TO
TC
TI
SW1:A
3
C10
R26
R28
1M
1/4W
5per
1.5K
1/4W
5per
R23
3.3M
1/4W
5per
220K
1/4W
5per
C3
TO
4
5
1
ULTRA HIGH
C20
CW
6
BASS
.001
100V
P2
1M A
.033
50V
R19
0.9V
220K
1/4W
5per
3
12
.0047
100V
235V
2
9
I
11
C8
100K
1/4W
5per
R7
10
4
470 pF
200V
R48
1
2
.1
100V
330K
1/4W
5per
R11
10
400V
0dB INPUT
R20
C
O
R1
C23
.1
400V
9-PIN
ULTRA LOW
J1
C11
1
V1:A
CW
7
1
100K
1/2W
1per
240V
R21
C21
.01
100V
CW
R30
P4
R37
R29
R31
1.5K
1/4W
5per
100K
1/4W
5per
TREBLE
1M A
100K
1/4W
5per
22K
1/4W
5per
R32
C27
100K
1/4W
5per
.0047
100V
R43
100K
1/2W
1per
6
V2:B
9-PIN
3.3M
1/4W
5per
9-PIN
1.5K
1/4W
5per
2
1
1N914
75V PIV
2
3
220K
1/4W
5per
R24
D4
1N914
75V PIV
4
1.5K
1/4W
5per
R36
8.2K
1/4W
5per
C12
10
35V
470K
1/4W
5per
IC1:A
NE5532
R15
5
R5
R35
100K
1/4W
5per
100K
1/4W
5per
6
6
7
2
8
50K L
R16
MID
TAPPED
4
9
220K
1/2W
5per
CMN
3 100mH
10
11
2 300mH
C22
.033
100V
.1
100V
1
C15
.15
100V
4
2
CCW
470
1/4W
5per
7
100K
1/4W
5per
5
800mH
13
L1
14
C13
.68
250V
R2
1M
1/4W
5per
R9
1M
1/4W
5per
3
R10
R34
1M
1/4W
5per
4
R33
12
C19
+14V (OPERATE)
-14V (STANDBY)
5
CW
C17
D3
1N914
75V PIV
J3
3
.68
250V
50K L
4.7K
1/4W
5per
.033
100V
100
1/2W
5per
1
1
C26
P5
MASTER
470
1/4W
5per
P3
2.2K
1/4W
5per
.047
100V
R38
2
3
100V
CW
R13
R44
470K
1/4W
5per
C24
.047
100V
2.2
50V
R18
220K
1/4W
5per
3
2
R40
C25
+14V (NORMAL)
-0.6V (FAULT)
J4
.1
250V
R45
C14
D5
R14
0.4V
R8
22
35V
100K
1/4W
5per
9
8
C2
R12
5
C6
8
9
R4
9
.1
400V
6
56 pF
200V
5
4
C5
C4
.1
400V
7
2
C16
.1
100V
1
V2:A
9-PIN
8V
240V
7
V1:B
F
7V
R27
3.3M
1/4W
5per
470 pF
200V
E
R25
D2
560
1/2W
5per
1N914
75V PIV
CW
D1
BICOLOR
RED
IC1:B
NE5532
GREEN
R39
R41
R42
R46
470K
1/4W
5per
470K
1/4W
5per
470K
1/4W
5per
470K
1/4W
5per
S2
FREQUENCY
R17
R47
470K
1/4W
5per
470K
1/4W
5per
CMN
3
3
J5
ASSY P/N 07-519-12
1
2
D6
1N4002TR
100V PIV
D7
1N4002TR
100V PIV
J6
D8
1N4002TR
100V PIV
C18
1
07S519-12 DRAWING REPLACES 07S519-11
R50
D9
1N4002TR
100V PIV
4700
25V
220
1/4W
5per
R49
220
1/4W
5per
2
0
8-21-03
REV
CAUTION:
CONTROL ISSUE
Date
Signatures:
4
A
B
SVT-CL
Chgd By
Appvd by
Date
Date:
RLB
Drawn:
NOTES:
1) CAUTION: SHOCK HAZARD!!
THIS UNIT CONTAINS HAZARDOUS VOLTAGE. DISCONNECT POWER
AND BE SURE POWER SUPPLY IS DISCHARGED BEFORE
TOUCHING INTERNAL PARTS.
2) UNLESS NOTED, RESISTOR VALUES IN OHMS, 1/4W-5% TOL.
CAPACITOR VALUES IN MICROFARADS, 50V-10% TOL.
3) VOLTAGES ARE MEASURED WITH 1 MEGOHM OSCILLOSCOPE
AND 10 MEGOHM DIGITAL VOLTMETER.
Ecr(s)/Ecn(s)
DESCRIPTION
THE INFORMATION CONTAINED ON THIS DRAWING IS PROPRIETARY TO
ST. LOUIS MUSIC, INC
THIS SCHEMATIC IS PROVIDED FOR USE BY QUALIFIED PERSONNEL.
TO AVOID RISK OF ELECTRIC SHOCK, REFER SERVICING TO QUALIFIED
SERVICE PERSONNEL. DO NOT PERFORM ANY SERVICING BEYOND
THAT EXPLAINED IN THE OPERATING INSTRUCTIONS.
5-8-03
4)
5)
Released:
VOLTAGES IN RECTANGLES ARE RMSSIGNAL, VOLTAGES WITH 15mV IN.
OTHER VOLTAGES ARE D.C. IN CONDITIONS STATED.
CIRCUIT GROUND
LED GROUND
Drawing Size:
Plot Time:
Drawing Type: Schematic
Tolerance:
Class Code:
Sheet
©2007 LOUD Technologies Inc. All rights reserved
D
C
Plot Date:Wed Aug 20, 2003
CHASSIS GROUND
C
11880 Borman Drive, St. Louis, MO 63146
First Used On:
Checked:
1
of
NONE
Drawing Title:
PWA - PREAMP
Drawing Number:
07S519
1
E
PWA Preamp PCB Schematics
F
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