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A
B
U5:A +16V TLO-72 D10 1N914 R62 C37 .047 uF 100V U5:B R60 220K R63 4.7K C36 1 uF 50V
C
C32 .001uF 100V R58 47K C30 .0047 uF 100V R57 22K R52 22K
D
E
F
R55 47K
R54 22K
C27 .22 uF 50V RefDes R53 47K IC1 IC2 U3 U4 U5
Power Table -16V 4 4 4 4 4 +16V 8 8 8 8 8
1
J1 T/S
C35 .047 uF 100V
1
22K
D13 1N914
TLO-72 R67 10K
R48 22K
C26 .22 uF 50V
R65 100K
-16V
C41
C33 .047 uF 100V
R47 47K
5
4
CW
100 PF
SWITCH
3
CMN
U4:A
50V 2.2 uF
J2 T/S
200V
R32 PAGE_NEXT 1K
C42 56 pF 200V
R64 2.2K
C34 2.2 uF 50V
CW
P1
50K RA
S1 TLO-72
R45 47K R56 47K
C25 .22 uF 50V R36 22K
C45 CCW
R29 100K C29 .015 uF 50V R27 47K C28 .22 uF 50V
R46
J13
2
J14 J12
22K
R38 22K
2
J15
J11
R51 2.2K R40 4.7K
C23 .033 uF 50V
C22 .033 uF 50V R39 100K
U4:B R30 TLO-72 22K .22 uF 50V R37 22K C24
FC1
F1
FC2
J18
J6
J16
R1
D1
RED
J19
J10
J17 J22
3A DIODE BRIDGE BR1 C6 4700 uF 50V C14 4700 uF 50V
J9
2.2K 1/2W
+40V R68 +16V C19 .1 uF 100V 270 5W D11 1N5353B 16V C39 100 uF 35V
C3 .0033
J8
3
C1 .0033
J7
J20
-40V
C38 .1 uF 100V
D12 1N5353B 16V R66 270 5W
C43 .047 uF 100V
C21 .047 uF 100V
C18 .047 uF 100V
3
C40 100 uF 35V -16V
J13
BLK AC LINE
J13
BLK AC LINE
J17
BLK
J12 AC LINE AC NEUTRAL
BLU/WHT
J17
BLU/WHT
J13
BLU/WHT
J16 J7
BLUE WHT
J12 J14
BLUE WHT
J12 J14
BLUE WHT
1 0 0
REV
7/28/99 7/01/99 7/01/99 Date
SWAPPED J21 PINS 1 & 2, COONECTED J21 TO HEADPH GS TO DETACH FROM MAIN GND CONTROL ISSUE CONTROL ISSUE
N00062 R990512-01 ECR00047 Ecr(s)/Ecn(s)
REM REM
Appvd by Date
CAUTION: 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.
DESCRIPTION
Chgd By
THE INFORMATION CONTAINED ON THIS DRAWING IS PROPRIETARY TO ST. LOUIS MUSIC, INC
J11
BROWN
J15
BROWN
J15
BROWN Drawn:
Signatures:
OK Checked:
Date:
1/14/99 11880 Borman Drive, St. Louis, MO 63146
4
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. J17 GRAY J11 GRAY J11 GRAY
First Used On:
4
Released:
BA115a
Drawing Title:
Tolerance:
J9 VIOLET AC NEUTRAL J7 VIOLET AC NEUTRAL J7 VIOLET
Drawing Size:
C
NONE 2
Drawing Type: Schematic Class Code: Sheet 1 of
SCHEMATIC -BASS AMP
Drawing Number:
07S103-XX F
A
B
C
D
E
A
B
C
D
E
F
+40V R8 1K 1N914 D3 1N914 D5 1N914
-40V R4 1K +16V
+40V
1
R7 3.3K 1/2W PAGE_NEXT
D S
R34 220
D7 1N4744 ZENER D6 1N4744 ZENER
1
D2 1N914
D4 VTL-5C7
R6 3.3K 1/2W R50 1K C31 -16V
R59
50V 1 uF 1M
R33 47 Q4 MJE-340
Q6
G
Q2
U2:A TLO-72 C8
CW
C9 10uF 35V
J112
C12 R20
CW
10uF 35V C10
C44
P3 C16 56 pF 200V R24 47K
P2
R14 100K
20K RA
CCW
100K U2:B C11 10uF 35V R25 10K
33 pF 200V
R23 R22 47K U3:A 1K
33 pF 200V R19 33K
R28 R5 820 1W C17 .1 uF 100V U3:B AP1 500
CW
3.3 1W
R41 220
50K LIN
CW
P4
.0022 uF 100V C15
TLO-72 J3 R12 R L 100K R13 100K R18
NE5532
2
50K LIN P5
.022 uF 50V R21 22K
R17 22K
NE5532 C13 R26 47 R10 22K U1:A
2 1 3 RING RING_SW
2
R35 220 Q3 MPS-A06 Q1 MJE-350 Q5 IRFP-140R
SEE NOTE.
J4 T/R/S
R44 4.7K
50K LIN 1K
330 pF 100V
TIP_SW
R9 220
TIP SLVE_SW SLEEVE
R43 1K
C4 22 uF 50V R16 22K
R3 270 R42 1K J5 -16V
1
C20 1 uF 50V R31 220 -40V J21
R49 47 D8 1N4744 ZENER D9 1N4744 ZENER
TLO-72
R15 22K U1:B
6 7 5
2 3
C5 22 uF 50V
R2 270
XLR M H
C2 .047 uF 100V
1 2
3
NOTE: R11 & C7 DESIGNATORS ARE NOT USED.
TLO-72
R61 .1 3W
3
ASSY P/N 07-103-02
-40V
NOTE: BIAS SETTING AS FOLLOWS; SET AP1 BIAS ADJUST CONTROL FOR 5mV ACROSS R61 WITH NO SIGNAL APPLIED, NO LOAD.
1 0 0
REV
7/28/99 7/01/99 7/01/99 Date
SWAPPED J21 PINS 1 & 2, COONECTED J21 TO HEADPH GS TO DETACH FROM MAIN GND CONTROL ISSUE CONTROL ISSUE
N00062 R990512-01 ECR00047 Ecr(s)/Ecn(s) Chgd By Appvd by Date
CAUTION: 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.
DESCRIPTION
THE INFORMATION CONTAINED ON THIS DRAWING IS PROPRIETARY TO ST. LOUIS MUSIC, INC
Signatures:
Drawn: OK Checked: Released:
Date:
1/14/99 11880 Borman Drive, St. Louis, MO 63146
4
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.
First Used On:
4
BA115a
Drawing Size:
Tolerance:
C
NONE 2
Drawing Title:
Drawing Type: Schematic Class Code: Sheet 2 of
SCHEMATIC -BASS AMP
Drawing Number:
07S103-XX F
A
B
C
D
E