D

C

B

A

4

3

2

NOTES:

THIS SCHEMATIC IS PROVIDED FOR USE BY QUALIFIED PERSONNEL.

CAUTION:

TO AVOID RISK OF ELECTRIC SHOCK, REFER SERVICING TO QUALIFIED

THIS UNIT CONTAINS HAZARDOUS VOLTAGE. DISCONNECT POWER
AND BE SURE POWER SUPPLY IS DISCHARGED BEFORE
TOUCHING INTERNAL PARTS.

1) CAUTION: SHOCK HAZARD!!

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.

SERVICE PERSONNEL. DO NOT PERFORM ANY SERVICING BEYOND
THAT EXPLAINED IN THE OPERATING INSTRUCTIONS.

D

C

B

A

1

F

E

1

Signatures:

Checked:

Drawn:

Sheet

Class Code:

THE INFORMATION CONTAINED ON THIS DRAWING IS PROPRIETARY TO

Drawing Size:

Drawing Type: Schematic

Released:

REV

Date

DESCRIPTION

E

Tolerance:

Plot Date:

Plot Time:

Tue May 18, 2004

0

11/27/02

1

REM

CHG'D C36 FROM .1 TO .O1 UF .

DASH 03 AND 04

2

1

5-18-04

6/26/03

CONTROL ISSUE

RLB

REM

N01496

N01177

C

of

Drawing Title:

Drawing Number:

NONE

2

Ecr(s)/Ecn(s)

First Used On:

ST. LOUIS MUSIC, INC

Date:

8/30/02

Chgd By

Appvd by

F

07S195-XX

2

PWA - DSP GUITAR AMP

Date

4

3

D

C

B

A

4

3

2

NOTES:

THIS SCHEMATIC IS PROVIDED FOR USE BY QUALIFIED PERSONNEL.

CAUTION:

TO AVOID RISK OF ELECTRIC SHOCK, REFER SERVICING TO QUALIFIED

THIS UNIT CONTAINS HAZARDOUS VOLTAGE. DISCONNECT POWER
AND BE SURE POWER SUPPLY IS DISCHARGED BEFORE
TOUCHING INTERNAL PARTS.

1) CAUTION: SHOCK HAZARD!!

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.

SERVICE PERSONNEL. DO NOT PERFORM ANY SERVICING BEYOND
THAT EXPLAINED IN THE OPERATING INSTRUCTIONS.

D

C

B

A

1

F

E

1

Signatures:

Checked:

Drawn:

Sheet

Class Code:

THE INFORMATION CONTAINED ON THIS DRAWING IS PROPRIETARY TO

Drawing Size:

Drawing Type: Schematic

Released:

REV

Date

DESCRIPTION

E

Tolerance:

Plot Date:

Plot Time:

Tue May 18, 2004

0

11/27/02

1

REM

CHG'D C36 FROM .1 TO .O1 UF .

ADDED TUNER CIRCUIT FOR
DASH 03 AND 04

2

1

5-18-04

6/26/03

CONTROL ISSUE

RLB

REM

N01177

C

of

Drawing Title:

Drawing Number:

NONE

2

Ecr(s)/Ecn(s)

First Used On:

ST. LOUIS MUSIC, INC

Date:

8/30/02

Chgd By

Appvd by

F

07S195-XX

2

PWA - DSP GUITAR AMP

Date

4

3

9 *

5

4

3

R

8

7

6

2

1

TP

C

30Vpp

9.8Vpp

5Vpp

7.2Vpp

D

-16V

+16V

I

+16V

B

J8

B

C2

D

+16V

4.8Vpp

9.8Vpp

3.3Vpp

18Vpp

.48Vpp

C9

.22

C3

.0068

100V

R5

15K

0

R82

R4

680K

REPLACE WITH
JUMPERS ON
DSP VERSIONS

0

R90

R80

6.8K

R111

220

E

.22

C4

R46

1K

C29

56 pF

200V

6

5

7

IC3:B

TLO-72

C32

2.2

A

.015

C10

R2

22K

R11

2.2K

R88

0

R47

4.7K

R72

12K

D4

1N746

3.3V

47K

R64

S

D

G

J112

Q21

R109

4.7K

G

S

D

Q25

J175

TP3

R10

10K

4.7K

R14

D32

1N4002

100V PIV

G

S

D

J175

Q29

C2

R112

10K

R17

4.7K

C15

2.2

1000

C64

16V

.1
100V

C63

10K

R92

TP7

R113

1M

7

5

6

IC2:B

TLO-72

6

1

2

3

4

5

J10

JOW1

R115

47K

1N914

D9

22K

R91

C60

.0022

100V

10K

R30

C42

2.2

CW

P4

10K A

LOW

+16V

T

C31

.1

50V

.015

C27

G

S

D

Q7

J175

100V

C19

.01

27K

R48

.001
100V

C33

B2

R106

1M

.22

C17

D1

1N914

1

2

3

J18

TO TUNER

6

5

7

TLO-72

IC5:B

C1

.47

DASH 03 & 04
ONLY

CW

500 A

P9

MID

C5

.1

1.5K

R1

C7

1

G

S

D

J175

Q1

680

R9

REPLACE WITH
JUMPER ON
DSP VERSIONS

D31

1N4002

100V PIV

C49

1

6

5

7

IC4:B

TLO-72

1N914

D6

Q6

2N5210

R26

22K

47K

R89

R38

1K

D10

1N914

1

C20

C13

.22

CW

HIGH

P5

10K L

CW

500 A

P13

MID

TP8

2

3

1

TLO-72

IC3:A

10K

R52

Q31

2N5087

C18

.0056

100V

R57

15K

1N914

D16

C24

2.2

4.7K

R22

30Vpp

30Vpp

8Vpp

5.2Vpp

.18Vpp

6.2Vpp

5.2Vpp

A

1.5Vpp

5Vpp

3Vpp

3.2Vpp

3.6Vpp

2.5Vpp

5.2Vpp

.48Vpp

.48Vpp

CONDITION "A"

CONDITION "B"

CONDITION "C"

GND-CH

.047

C8

100V

+40V

1N914

D2

J1

{Label}

E'

2

3

1

IC5:A

TLO-72

S

D

G

Q26

J112

47K

R94

R84

100K

C34

2.2

C47

1

CW

10K A

P8

LOW

R59

47K

C56

100V

.0015

C52

.047

100V

CW

P10

10K L

HIGH

C2

.0033

100V

D3

1N746

3.3V

R12

10K

C71

.0033

100V

R3

22K

R7

22K

C6

10

35V

TP1

D34

1N4002

100V PIV

I

J2

R75

47K

C53

56 pF

200V

C50

.001

100V

B

R77

47K

R73

100K

R34

47K

4.7K

R16

47K

R28

G

S

D

Q3

J175

TP4

DISTORTION CHANNEL

R58

10K

R68

1M

R56

47K

1N754

D39

3

2

1

IC4:A

TLO-72

2.2K

R99

G

S

D

J175

Q16

C38

.001

100V

JOW2

R45

4.7K

R43

22K

C23

1

C25

.47

TP5

R51

1M

C30

.0047

100V

R29

4.7K

R6

6.8K

C62

100

35V

CLEAN CHANNEL

C46

2.2

R76

10K

R42

150K

CW

100K RA

P7

LEVEL

TP6

CW

P1

10K L

OVERDRIVE GAIN

CW

10K A

P6

OVERDRIVE LEVEL

2

3

1

IC2:A

TLO-72

6

5

7

TLO-72

IC1:B

2

3

1

IC1:A

TLO-72

R18

1.5K

S

D

G

Q4

J112

1M

R8

TP2

D33

1N4002

100V PIV

10

R107

1/2W

R116

47K

.01

C82

100V

CW

SOLO GAIN

10K L

P2

G

S

D

J175

Q2

R21

47K

2N5210

Q8

R78

22K

D20

1N914

G

D

S

Q24

J175

R118

10K

.01

C81

100V

R44

1.5K

R41

2.2K

CW

10K L

SHAPE

P3

C68

.22

J11

2_PWRAMP

CW

P12

10K A

SOLO LEVEL

D

C

B

A

4

3

2

NOTES:

THIS SCHEMATIC IS PROVIDED FOR USE BY QUALIFIED PERSONNEL.

CAUTION:

TO AVOID RISK OF ELECTRIC SHOCK, REFER SERVICING TO QUALIFIED

THIS UNIT CONTAINS HAZARDOUS VOLTAGE. DISCONNECT POWER
AND BE SURE POWER SUPPLY IS DISCHARGED BEFORE
TOUCHING INTERNAL PARTS.

1) CAUTION: SHOCK HAZARD!!

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.

SERVICE PERSONNEL. DO NOT PERFORM ANY SERVICING BEYOND
THAT EXPLAINED IN THE OPERATING INSTRUCTIONS.

D

C

B

A

1

F

E

1

Signatures:

Checked:

Drawn:

Sheet

Class Code:

THE INFORMATION CONTAINED ON THIS DRAWING IS PROPRIETARY TO

Drawing Size:

Drawing Type: Schematic

Released:

REV

Date

DESCRIPTION

E

Tolerance:

Plot Date:

Plot Time:

Tue May 18, 2004

0

11/27/02

2

REM

CHG'D C36 FROM .1 TO .O1 UF .

DASH 03 AND 04

2

1

5-18-04

6/26/03

CONTROL ISSUE

RLB

REM

N01496

N01177

C

of

Drawing Title:

Drawing Number:

NONE

2

Ecr(s)/Ecn(s)

First Used On:

ST. LOUIS MUSIC, INC

Date:

8/30/02

Chgd By

Appvd by

F

07S195-XX

2

PWA - DSP GUITAR AMP

Date

4

3

D

C

B

A

4

3

2

NOTES:

THIS SCHEMATIC IS PROVIDED FOR USE BY QUALIFIED PERSONNEL.

CAUTION:

TO AVOID RISK OF ELECTRIC SHOCK, REFER SERVICING TO QUALIFIED

THIS UNIT CONTAINS HAZARDOUS VOLTAGE. DISCONNECT POWER
AND BE SURE POWER SUPPLY IS DISCHARGED BEFORE
TOUCHING INTERNAL PARTS.

1) CAUTION: SHOCK HAZARD!!

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.

SERVICE PERSONNEL. DO NOT PERFORM ANY SERVICING BEYOND
THAT EXPLAINED IN THE OPERATING INSTRUCTIONS.

D

C

B

A

1

F

E

1

Signatures:

Checked:

Drawn:

Sheet

Class Code:

THE INFORMATION CONTAINED ON THIS DRAWING IS PROPRIETARY TO

Drawing Size:

Drawing Type: Schematic

Released:

REV

Date

DESCRIPTION

E

Tolerance:

Plot Date:

Plot Time:

Tue May 18, 2004

0

11/27/02

2

REM

CHG'D C36 FROM .1 TO .O1 UF .

ADDED TUNER CIRCUIT FOR
DASH 03 AND 04

2

1

5-18-04

6/26/03

CONTROL ISSUE

RLB

REM

N01177

C

of

Drawing Title:

Drawing Number:

NONE

2

Ecr(s)/Ecn(s)

First Used On:

ST. LOUIS MUSIC, INC

Date:

8/30/02

Chgd By

Appvd by

F

07S195-XX

2

PWA - DSP GUITAR AMP

Date

4

3

0V

-.67V

A

DC

34V

-

S+

R

-16V

+16V

-10V

15

13

12

11

10

+16V

0V OR +10V

+10V

0V

+10V

-34V

.048V

1.4V

.048V

-16V

-16V

B'

D'

-40V

2_PWRAMP

E

+16V

+16V

+40V

100V

BLK

-40V

+40V

+40V

-40V

+16V

S-

T

D27

1N914

Q17

MPS-A55

E'

R117

4.7K

1N746

3.3V

D25

R74

1.5K

.01

C41

100V

R71

1M

+16V

1

2

3

4

J4

-10V

A

AC

TP

14

1N914

D36

.01

C37

100V

+16V

+16V

R32

4.7K

+10V

0V

C

B

R102

33K

R53

100K

A

.01

C73

100V

C

R19

2.2K

R70

22K

JOW6

10

1/2W

R62

TP10

J19

J17

230V

120V

240V

J20

J19

330

R40

J28

J26

J27

D14

1N914

+40V

C76

.1

100V

TP12

C21

1

+40V

3.3K

R31

1/2W

C78

.1

100V

-40V

Q15

TIP-147

D21

1N914

D13

1N914

TIP-142

Q11

-40V

4700

C70

4700

C67

R85

.47

5W

4.7

R20

+40V

.1

100V

C66

R95

220

5W

.1
100V

C69

R96

220

5W

10

R97

1/2W

.047

C59

100V

C26

35V

47

100

35V

C12

100
35V

C14

-16V

R79

1K

R55

33K

R81

470

D22

1N914

1M

R54

2.2K

R98

R108

1K

10K

R25

10K

R67

R15

47K

C74

.047

100V

S

D

G

Q10

J112

3.3K

R110

R49

680

R69

47

220

C45

330

R100

R104

.1

5W

R13

1.5K

R65

27K

R63

220

1/2W

C77

.1

100V

C22

220 pF

100V

C39

1

2N5088

Q9

220 pF

C43

100V

C79

.1

100V

MR-752

200V PIV

D12

Q23

TIP-147

TIP-142

Q5

.047

100V

C28

+

.047
100V

C44

4 W

1

2

3

4

5

6

7

8

9

10

11

J21

D'

CLEAN

SOLO

B

1.8Vpp RIPPLE

32Vpp

35Vpp

35Vpp

.65Vpp

WHITE

J22

J13

OPT1

S+

C75

1

D24

1N914

C65

1

-16V

D18

GRN

B'

OVERDRIVE

1.1Vpp

D37

1N914

R105

1M

MPS-A55

Q27

R103

33K

C48

.1

R27

2.2K

FOR DSP
VERSIONS
SEE BOM

C36

.01

J24

J25

D19

1N914

LINE

R66

47

C35

220 pF

100V

1.8Vpp RIPPLE

C51

220

EXPORT WIRING

BLUE

GRAY/WHT

BROWN

J23

OPT3

OPT2

J22

J13

ICL1

3A

R60

470

2N5087

Q18

R36

220

R39

470

.001

100V

C11

10

C57

35V

C40

220 pF

100V

R24

1.5K

1/2W

D28
1N5353B

16V

1N5353B

D29

16V

ON 120W
VERSIONS
ONLY

R83

.47
5W

S-

TO SPEAKER

MR-752

200V PIV

D5

J15

TP13

I

C

C

O

O

I

S2

R50

2.2K

I

C

C

O

O

I

S1

+16V

B2

Q22

MPS-A13

MPS-A13

Q28

D8

RED

J29

R86

2.2K

D7

YEL

MPS-A13

Q13

D23

1N914

2N5087

Q20

Q14

2N5087

MJE-340

Q19

REPLACE WITH
0.2 OHM, 5W ON
60W VERSIONS
ONLY

J23

2

1

3

5

4

CT

T1

CW

AP1

500

D17

1N914

R101

100

R61

220

MPS-A06

Q12

TP11

.047

100V

C16

TP14

TP15

R33

.47

5W

4.7

R37

R23

.47

5W

J5

SWITCHING LOGIC

ISOLATED TABS

"PARK" THE THREE

DESIRED LINE VOLTAGE.

CONNECT APPROPIATE

TEST POINT CONDITIONS FOR POWER AMP:

UNUSED LEADS ON

J26, J27, & J28.

XFMR LEAD TO J17 FOR

06a195-01/02 120 WATT/ 65 WATT
06a195-03/04 120 WATT/ 65 WATT WITH TUNER

GBPC602

D35

NEUTRAL

1kHz SINE WAVE INPUT INTO INSERT TIP, 4 OHM LOAD