LOUD Technologies Ampeg B-200R Wiring Diagram

A A
J4
1
2
OUT
3
IN
4
120 mV RMS
TO J26
J1
1 1 R1
0 dB
TIP
IN
TIP_SW
22K
SLVE_SW
SLEEVE
J2
R2
15 dB
TIP
TIP_SW
100K C2
100 pF
SLVE_SW
200V
SLEEVE
C1
.047
100V
+38 VDC
1.2V RMS
C-GNDB
J32 R40
+88 VDC
1
47K
2 R36
C53
2 2 47.5K
V2:B
100 12AU7
3
H
1/2W
250V
5
TO J33 D-GND 1%
SEE SHT 2
POWER SUPPLY 4
12AU7
V2:A 5
D-GND
R69
IN_A H
33.2K
R33
1/2W
J26 1M
1%
1
R37
2
OUT_A R78
1K
C55 6.81K
3 R35
IN_A 1/2W
1/2W
4
1% 4
4
4 1%
TO J4
4
4 4
J28
1
+16V
2
-16V
3 3
3
PA_INPUT
4
5
6
7
HPGS
8
R34
TO J29
-16V
SEE SHT 1
270K
POWER AMP
FOR 07-673-01 / -02 ASSEMBLIES
CAUTION: CAUTION:
THIS SCHEMATIC IS PROVIDED FOR USE BY QUALIFIED PERSONNEL. THIS SCHEMATIC IS PROVIDED FOR USE BY QUALIFIED PERSONNEL.
TO AVOID RISK OF ELECTRIC SHOCK, REFER SERVICING TO QUALIFIED TO AVOID RISK OF ELECTRIC SHOCK, REFER SERVICING TO QUALIFIED
SERVICE PERSONNEL. DO NOT PERFORM ANY SERVICING BEYOND SERVICE PERSONNEL. DO NOT PERFORM ANY SERVICING BEYOND
THAT EXPLAINED IN THE OPERATING INSTRUCTIONS. THAT EXPLAINED IN THE OPERATING INSTRUCTIONS.
4 4
NOTES: NOTES:
1) CAUTION: SHOCK HAZARD!! 1) CAUTION: SHOCK HAZARD!!
THIS UNIT CONTAINS HAZARDOUS VOLTAGE. DISCONNECT POWER THIS UNIT CONTAINS HAZARDOUS VOLTAGE. DISCONNECT POWER
AND BE SURE POWER SUPPLY IS DISCHARGED BEFORE AND BE SURE POWER SUPPLY IS DISCHARGED BEFORE
TOUCHING INTERNAL PARTS. TOUCHING INTERNAL PARTS.
2) UNLESS NOTED, RESISTOR VALUES IN OHMS, 1/4W-5% TOL. 2) UNLESS NOTED, RESISTOR VALUES IN OHMS, 1/4W-5% TOL.
CAPACITOR VALUES IN MICROFARADS, 50V-10% TOL. CAPACITOR VALUES IN MICROFARADS, 50V-10% TOL.
3) VOLTAGES ARE MEASURED WITH 1 MEGOHM OSCILLOSCOPE 3) VOLTAGES ARE MEASURED WITH 1 MEGOHM OSCILLOSCOPE
AND 10 MEGOHM DIGITAL VOLTMETER. AND 10 MEGOHM DIGITAL VOLTMETER.
A A
B B C C
+15V
D4
D2
C9
1N914
1N914
75V PIV
75V PIV
.0033
100V
10
R8 C8
OUT R9
8
U1:C
9
22K
1K 1
TLO-74 C10
R3
R4 .022
470K
470K
R11
10K
D3
1N914
S1
75V PIV
ULTRA LOW
R12
-15V
470K
R5 C4 R6
22K 47K
1
C5
.047
C6
100V
100 pF
R7 C7 200V
CW
1.5K
1 GAIN
P1
50K RA
+6.8 VDC
115 mV RMS
+16V
C24
OUT_A
.1 D22
C39
400V 1N5353B
100
R31 16V
35V C33
.047
4
100V
4
C40
D12 100
1N5353B 35V
16V
-16V
Ref Des Device(Type)
U1 3707401_
U2 3753201_
U3 3753201_
TEST POINT CONDITIONS NOTE :
1 KHz INPUT SINEWAVE 120mV @ 0 dB
INPUT JACK. 120VAC LINE, VOLUME, GAIN & HP LEVEL @ "10"
TONES @ "5" , DC VOLTAGES WITH N0 SIGNAL APPLIED.
4 NOT USED
B B C C
B-200R
©2007 LOUD Technologies Inc. All rights re served
D D
D5
1N914
75V PIV
R10
5 R17 R18
7
U1:B
22K 6
680 15K
TLO-74 P2
CW
R16
50K L
C13
BASS
10K
R13
R14
10K
3.3K
.22
C14
C11
.22
C41
S3 C15
.022
.022
ULTRA HIGH
.22
I I
P3
CW
R20
R15
C C 50K L LOW MID
22K
220K
S2 C16
O O
ULTRA MID
.033
I I P4
R21
CW
33K
HIGH MID
50K L
C C
C17
O O
.0047
P5 100V
R22
CW
68K
TREBLE
50K L
C18
680 pF
100V
R23
R24
R25 100K
R53
C19
47K 47K
+15V
100
C27 33 pF
22
200V
C43
.047
12
100V
14
U1:D
13
C42
TLO-74
22
PA_INPUT
R49
-15V
100
1.0 V RMS
Power Table
Package -16VA +15V -15V +16VA
14DIP_3 4 11
8DIP_3 8 4
8DIP_3 4 8
D D
E E
OPT5
4
R27
33K Q1
2N5210
D6
R28
1N914
75V PIV
R19 R26 4.7K
D1
15K 680
OPT4
4
R29
BI-LEVEL
Q2
33K
2N5210
C12
OPT1
2.2
4
1.9V RMS
3
1
U1:A
2
TLO-74
LINE OUT/HP LEVEL
P7
C20 C21 C47
R77 R81
CW
120K 270
15 pF 1 22
50K L
200V
CW
P6
R32 C22
10K A
6 U2:B
MASTER
7
R76
5
1
33K
22K
NE5532
R82
22K
C49
2
U2:A
1
22
3
NE5532
1 1
05/30/06 05/30/06 ADDED -02 ASSEMBLY ADDED -02 ASSEMBLY N02128 N02128
0 0
12/15/05 12/15/05 CONTROL ISSUE CONTROL ISSUE
REV REV Date Date DESCRIPTION DESCRIPTION Ecr(s)/Ecn(s) Ecr(s)/Ecn(s)
THE INFORMATION CONTAINED ON THIS DRAWING IS PROPRIETARY TO THE INFORMATION CONTAINED ON THIS DRAWING IS PROPRIETARY TO
ST. LOUIS MUSIC, INC ST. LOUIS MUSIC, INC
Signatures: Signatures: Date: Date:
Drawn: Drawn: RLB RLB 5-9-05 5-9-05
1901 Congressional, St. Louis, MO 63146 1901 Congressional, St. Louis, MO 63146
First Used On: First Used On:
Checked: Checked:
Released: Released:
C C Drawing Title: Drawing Title:
Drawing Size: Drawing Size:
Plot Date: Plot Date: Wed May 31, 2006 Wed May 31, 2006
Plot Time: Plot Time: Drawing Type: Schematic Drawing Type: Schematic
Drawing Number: Drawing Number:
Class Code: Class Code: NONE NONE
Tolerance: Tolerance:
Sheet Sheet 1 1 of of 3 3
E E
Bass Amplifi er PCB Schematics
F F
1 1
R30
+16V
2.2K
D7
1N914
75V PIV
J5
HEADPHONES
RING 2 2
JW51
RING_SW
TIP_SW
TIP
JW52 SLVE_SW
HPGS
SLEEVE
J30
2
1
C48 3
.047
100V
R83
270
3 3
WFB WFB
WFB WFB
Chgd By Chgd By Appvd by Appvd by Date Date
4 4
BASS AMP BASS AMP
07S673 07S673
F F
PAGE 1