A B C D E F
A B C D E F
+16V
C18 C24
DISTORTION CHANNEL
OVERDRIVE GAIN
D1 .0056 2.2
TP2
CW
1N914 Q3 100V
S
R22
J1
C6
R11 P1 R14
C2
4.7K
G
C3
R5
{Label} D
4.7K
J175 R29
10K L TP4
2.2K
10 C15
R10
15K 6
.0068
35V
C30 R51
TP1 4.7K
100V C17
C19
D2 R4 S IC2:B 1M
10K 5
2.2 .22
7
D 1N914 680K .01
CW
5 .0047
3
7 B
2 R21 100V P3
1 G Q2 100V
C7 C13
1 TLO-72 1
1 R18 R38 1
IC1:B
1
C1 6 D10 3 CW
R6 47K P5
IC1:A J175
2
IC2:A D 1K HIGH 1 R44
3 1N914
-16V
1.5K 10K L IC3:A 10K L
TLO-72 1
C8 C25 .22 2
6.8K TLO-72
R12
.47 Q8 1.5K SHAPE
.047 TLO-72
D6
C2
100V R7
TLO-72
C71
C9 TP3 1N914 2N5210 C27
R106
10K .47
CW
R43 .015
R30
+40V B2
R17
22K .0033
Q7
R28 D9 P4
R2 10K
.0033 1M
R16
.22 4.7K C31
100V LOW 22K D
22K D4 D3 47K 1N914
100V 4.7K G
TP5
J18 10K A .1
R111
3 C23
R34 S
R3 R45
+16V 50V
D16
P2
220 1N746 1N746 J175
2 CW
Q6 R26
10K L 47K
C62 22K 3.3V 3.3V 1 4.7K
C20
2N5210
Q4 C81
P13 R41
100 1N914
1 1 MID
CW
S .01
DASH 03 & 04
35V R1 R9
22K 2.2K
SOLO GAIN
A 500 A
TO TUNER 1.5K 680 100V
ONLY
G
D
J112
JOW2
GND-CH
C10
C4
.015
.22
C2 C
R113
TP CONDITION "A" CONDITION "B" CONDITION "C"
CW
R112
Q1 P12
1M
C82
C5
SOLO LEVEL
1
D
.48Vpp .48Vpp .48Vpp .01
R8
.1 G 10K A
10K
I B 100V
1M OVERDRIVE LEVEL
C68
S R57
CW T 2_PWRAMP
C56 J175
2 18Vpp 5.2Vpp TP8
P6
5.2Vpp
R72 R109
15K
.0015 .22
Q29 R73 R77
100V 2
C33
J175 R99 D R48
12K 4.7K
10K A 1
C52 G .001
CW
D
3 .18Vpp 100K 47K 3 27K
IC4:A R
R80 D
7.2Vpp 6.2Vpp
Q25 G C38
P10 .047 G TP7 100V
S
2.2K
6.8K B
100V J175
S
10K L S Q16
HIGH TLO-72
J175
4 5Vpp .001
R76
5.2Vpp
100V
C46 10K C49 R89
R78
2 2
2 R52 2
6
5 9.8Vpp IC4:B
8Vpp 2.2 1 47K 22K 10K
CLEAN CHANNEL
Q21
7
Q31
CW 5
S
2N5087
TLO-72
A
P8 5
6 3.3Vpp 3.2Vpp 3.6Vpp G
C32
LOW 7 R47 R59 D
10K A R56
C50
IC3:B J112
6
4.7K 47K C53
C47 2.2 47K
7
R64 C60
9.8Vpp 5Vpp 3Vpp
TLO-72 .001 D39
P7 47K
D20
R42 56 pF 100V 1N754
100K RA
1 .0022
CW TP6
200V +16V
LEVEL
8 4.8Vpp 2.5Vpp 1.5Vpp
100V
P9 R118
150K
S D 1N914
MID 500 A
R75
C29 CW
10K
R68
30Vpp 30Vpp
Q24
9 * 30Vpp
47K
+16V
56 pF J175
G
1M
R58
200V
C34
R46
10K
1K
2.2
C42
D
2.2
J2
R84 R115
100K
47K
R91
22K
5
7 R116
IC5:B
6
47K
3 3
3 3
TLO-72
JOW1
R90
R94
0 47K
R82
0
REPLACE WITH R92
JUMPERS ON 10K
DSP VERSIONS
J10
E' 1
3
1
2
IC5:A
2
J112
3
D
TLO-72
G
ADDED TUNER CIRCUIT FOR
E
N01496 RLB
RLB
2 5-18-04
2 5-18-04
4
S DASH 03 AND 04
DASH 03 AND 04
Q26
5
R88
I CHG'D C36 FROM .1 TO .O1 UF .
CHG'D C36 FROM .1 TO .O1 UF .
6/26/03 N01177 REM
6/26/03 N01177 REM
1
1
0
REPLACE WITH R107
J11
10
CONTROL ISSUE
JUMPER ON CONTROL ISSUE
11/27/02
11/27/02
0
1/2W 0
D34 D32
DSP VERSIONS
6
REV Date DESCRIPTION Ecr(s)/Ecn(s) Chgd By Appvd by Date
REV Date DESCRIPTION Ecr(s)/Ecn(s) Chgd By Appvd by Date
CAUTION:
CAUTION:
1N4002 1N4002
100V PIV 100V PIV C63
C64 THE INFORMATION CONTAINED ON THIS DRAWING IS PROPRIETARY TO
THE INFORMATION CONTAINED ON THIS DRAWING IS PROPRIETARY TO
THIS SCHEMATIC IS PROVIDED FOR USE BY QUALIFIED PERSONNEL.
THIS SCHEMATIC IS PROVIDED FOR USE BY QUALIFIED PERSONNEL.
.1
ST. LOUIS MUSIC, INC
1000 ST. LOUIS MUSIC, INC
100V
TO AVOID RISK OF ELECTRIC SHOCK, REFER SERVICING TO QUALIFIED
TO AVOID RISK OF ELECTRIC SHOCK, REFER SERVICING TO QUALIFIED 16V
D33 D31
SERVICE PERSONNEL. DO NOT PERFORM ANY SERVICING BEYOND
SERVICE PERSONNEL. DO NOT PERFORM ANY SERVICING BEYOND
Signatures: Date:
Signatures: Date:
THAT EXPLAINED IN THE OPERATING INSTRUCTIONS.
THAT EXPLAINED IN THE OPERATING INSTRUCTIONS.
1N4002 1N4002
Drawn: REM 8/30/02
Drawn: REM 8/30/02
100V PIV 100V PIV
4 4
4 4
J8
First Used On:
First Used On:
Checked:
Checked:
NOTES:
NOTES:
1) CAUTION: SHOCK HAZARD!!
1) CAUTION: SHOCK HAZARD!!
Released:
Released:
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
Drawing Title:
Drawing Title:
Plot Date:Tue May 18, 2004 Drawing Size:
Plot Date:Tue May 18, 2004 Drawing Size:
C
C
TOUCHING INTERNAL PARTS.
TOUCHING INTERNAL PARTS.
PWA - DSP GUITAR AMP
PWA - DSP GUITAR AMP
Plot Time:
Plot Time:
2) UNLESS NOTED, RESISTOR VALUES IN OHMS, 1/4W-5% TOL. Drawing Type: Schematic
2) UNLESS NOTED, RESISTOR VALUES IN OHMS, 1/4W-5% TOL. Drawing Type: Schematic
CAPACITOR VALUES IN MICROFARADS, 50V-10% TOL.
CAPACITOR VALUES IN MICROFARADS, 50V-10% TOL.
Drawing Number:
Drawing Number:
Class Code: NONE
Class Code: NONE
3) VOLTAGES ARE MEASURED WITH 1 MEGOHM OSCILLOSCOPE
3) VOLTAGES ARE MEASURED WITH 1 MEGOHM OSCILLOSCOPE
Tolerance:
Tolerance:
AND 10 MEGOHM DIGITAL VOLTMETER. 07S195-XX
AND 10 MEGOHM DIGITAL VOLTMETER. 07S195-XX
Sheet 1 of 2
Sheet 1 of 2
A B C D E F
A B C D E F
A B C D E F
A B C D E F
C26
+40V
TEST POINT CONDITIONS FOR POWER AMP:
47
TP13
35V
TP11
1.1Vpp 1kHz SINE WAVE INPUT INTO INSERT TIP, 4 OHM LOAD
J5
D23
Q5
R69
+
+40V TIP-142
J15
DC TO SPEAKER
TP AC 4 W
47
1N914
+40V
C51
-
10 .65Vpp
R31
.048V
220 R24
D5
R70
R20
+40V
11 35Vpp 1.4V MR-752
22K C40
4.7
1.5K
3.3K 200V PIV
12 35Vpp -.67V 1/2W
1/2W
Q11
220 pF
1 1
1 1
.048V TP10
13 32Vpp TIP-142
100V
C22
S+
34V
14 1.8Vpp RIPPLE
R65
+40V
Q14
Q20
2_PWRAMP
-34V
220 pF D12
15 1.8Vpp RIPPLE
2N5087
2N5087 27K R37
MR-752
C57 100V
4.7
200V PIV S-
10
35V
D14 C21
C35
R36
220
220 pF
1N914 1
SWITCHING LOGIC 100V C11 D13
R13 R39
.001
1.5K R23
A B C 100V R33
R100
470 .47
Q19 Q9
1N914 .47
R49 330 5W
0V 2N5088
SOLO -10V +10V
MJE-340 5W
680
OVERDRIVE -10V 0V +10V
Q12
MPS-A06
R40
CLEAN 0V +10V 0V OR +10V
R62
330
C59
10
R85
R66
.047
1/2W D21
.47
R60
-40V
100V
R83 5W
47 Q18
.47
2N5087 470
1N914
5W
AP1 D17 C39
C45 R63 R61
+16V
CW
220
R101
+16V 220 220
500
1N914 1
100 1/2W
R97
10
4
R117 Q15
1/2W
R32
D'
4.7K TIP-147
3 4.7K
TP12
B' -40V
TIP-147
2
D'
2 2
2 2
REPLACE WITH
1
J4 0.2 OHM, 5W ON C43
Q10 R104
220 pF Q23
60W VERSIONS
1K
.1
S
E'
R79 100V
R108 ONLY
5W
A
1K G
D -40V -40V
J112
S1
C78 ON 120W
+16V
VERSIONS
.1
ONLY
LINE J23
R86 100V C79
JOW6
2.2K
ICL1 T1
.1
J25 J20
TP14
1 3 100V
+40V
J13
D19
R96
3A 4
D35
-16V
+16V J19 CT
220
2 5
1N914
C14
5W
D18 J24 GBPC602
100
D29
C67
+16V
J22 C69
GRN 35V +16V
1N5353B
4700
.1
D7
16V
100V
J21 YEL
C44
1 C28 C16
NEUTRAL
R67
R
C77 .047 .047 .047
J29
10K
2 D27 D24 J27 100V 100V 100V
R50
T
C66
2.2K
OPT1 .1
3 A R19 .1
100V -16V
C65 1N914 1N914 2.2K 100V D28
R71
C70
4 J26
1N5353B C12
4700
100
16V
1M OPT2
C36
C41
5 1 35V
C76
FOR DSP R95
.01
B'
VERSIONS
6 100V J28
.01
Q17
220
.1
C
SEE BOM
R55
3 OPT3 5W 3
3 MPS-A55 3
-40V
7 100V
33K
R110 TP15
R25
8 3.3K
D22 10K
C75
Q13
+16V 1N914
9 -16V
MPS-A13
10 1
C48
R53 06a195-01/02 120 WATT/ 65 WATT
S+
R74
11
1.5K
S2
S- 100K
.1 R27
06a195-03/04 120 WATT/ 65 WATT WITH TUNER
+16V
R54
R81
2.2K
1M
R15
470
Q22
D8
B2
MPS-A13
47K RED
D25 Q28
B
1N746 MPS-A13
C37
3.3V
ADDED TUNER CIRCUIT FOR
.01
2 5-18-04 RLB
2 5-18-04 N01496 RLB
DASH 03 AND 04
DASH 03 AND 04
100V
CHG'D C36 FROM .1 TO .O1 UF .
BROWN CHG'D C36 FROM .1 TO .O1 UF .
6/26/03 N01177 REM
CONNECT APPROPIATE 6/26/03 N01177 REM
1
1
240V
XFMR LEAD TO J17 FOR
J23
CONTROL ISSUE
CONTROL ISSUE
11/27/02
DESIRED LINE VOLTAGE. 11/27/02
0
0
GRAY/WHT
REV Date DESCRIPTION Ecr(s)/Ecn(s) Chgd By Appvd by Date
J17 REV Date DESCRIPTION Ecr(s)/Ecn(s) Chgd By Appvd by Date
CAUTION:
CAUTION:
230V
THE INFORMATION CONTAINED ON THIS DRAWING IS PROPRIETARY TO
THE INFORMATION CONTAINED ON THIS DRAWING IS PROPRIETARY TO
THIS SCHEMATIC IS PROVIDED FOR USE BY QUALIFIED PERSONNEL.
THIS SCHEMATIC IS PROVIDED FOR USE BY QUALIFIED PERSONNEL.
+16V -16V -16V J13 ST. LOUIS MUSIC, INC
ST. LOUIS MUSIC, INC
TO AVOID RISK OF ELECTRIC SHOCK, REFER SERVICING TO QUALIFIED
TO AVOID RISK OF ELECTRIC SHOCK, REFER SERVICING TO QUALIFIED
BLK
120V
SERVICE PERSONNEL. DO NOT PERFORM ANY SERVICING BEYOND
SERVICE PERSONNEL. DO NOT PERFORM ANY SERVICING BEYOND
Signatures: Date:
Signatures: Date:
R103 R102
R98
THAT EXPLAINED IN THE OPERATING INSTRUCTIONS.
THAT EXPLAINED IN THE OPERATING INSTRUCTIONS. 33K 33K
2.2K BLUE
Drawn: REM 8/30/02
Drawn: REM 8/30/02
"PARK" THE THREE 100V J22
C74
4 4
4 4
First Used On:
UNUSED LEADS ON First Used On:
Checked:
Checked:
NOTES:
NOTES:
R105
.047
D36 ISOLATED TABS
1) CAUTION: SHOCK HAZARD!!
1) CAUTION: SHOCK HAZARD!! WHITE
E
Released:
Released:
100V
1N914
J26, J27, & J28. J19
THIS UNIT CONTAINS HAZARDOUS VOLTAGE. DISCONNECT POWER
THIS UNIT CONTAINS HAZARDOUS VOLTAGE. DISCONNECT POWER 1M
D37 C73
AND BE SURE POWER SUPPLY IS DISCHARGED BEFORE
AND BE SURE POWER SUPPLY IS DISCHARGED BEFORE
.01 Drawing Title:
Drawing Title:
Plot Date:Tue May 18, 2004 Drawing Size:
Plot Date:Tue May 18, 2004 Drawing Size:
C
C
100V
TOUCHING INTERNAL PARTS.
TOUCHING INTERNAL PARTS.
Q27
1N914
PWA - DSP GUITAR AMP
PWA - DSP GUITAR AMP
MPS-A55 Plot Time:
Plot Time:
2) UNLESS NOTED, RESISTOR VALUES IN OHMS, 1/4W-5% TOL. Drawing Type: Schematic
2) UNLESS NOTED, RESISTOR VALUES IN OHMS, 1/4W-5% TOL. Drawing Type: Schematic
EXPORT WIRING
CAPACITOR VALUES IN MICROFARADS, 50V-10% TOL.
CAPACITOR VALUES IN MICROFARADS, 50V-10% TOL.
Drawing Number:
Drawing Number:
Class Code: NONE
Class Code: NONE
3) VOLTAGES ARE MEASURED WITH 1 MEGOHM OSCILLOSCOPE
3) VOLTAGES ARE MEASURED WITH 1 MEGOHM OSCILLOSCOPE
Tolerance:
Tolerance:
AND 10 MEGOHM DIGITAL VOLTMETER. 07S195-XX
AND 10 MEGOHM DIGITAL VOLTMETER. 07S195-XX
Sheet 2 of 2
Sheet 2 of 2
A B C D E F
A B C D E F
I
I
C
C
O
O
I
I
C
C
O
O