Marshall ma100, ma50 Schematic

1

A A

MA100-60-02

DWG. No.

H40T

B B

7

R1
33K

0.6W

R4

1K5

0.6W

R3
100K

0.6W

RL1B

i

DPDT +9V

100n 400V

C1

6

V1B

A

ECC83

G

K

8

+

C2

22u
50V

R5
1M

0.6W

2

C3

3n3
100V

220p 100V

C4

R6
68K

0.6W
C6

68n
100V

C7

33n
100V

VR3

B200K

Treble1

VR1
A200K
Bass1

VR2

B20K

Middle1

220p 100V

C5

VR4

Clean Volume

A1M

3

R7
470K

0.6W

VR6
A1M
Gain

H40T

i

0.6W
100K

R8

H40T

2

+

C8
1u
63V

C18

47n
100V

4

R12
10K

2W

+

C10

GND

C11
10u
350V

4p7 100V

C110

R162

10M 0.6W

RL3B

DPDT +12V

RL3C

DPDT +12V

R13

220K

0.6W

R11
82K

0.6W

C9
1n
400V

2n2 400V

Crunch Balance

VR5
A1M

R10
220K

0.6W

i

1

V1A
ECC83

A

G

K

3

R9
1K5

0.6W

R14
220K

0.6W

R15
680K

0.6W

5

7

R16
1M

0.6W

H40T

R17

100K

0.6W

G

K

i

8

6

A

C117
1n
100V

C12

2n2 400V

V2B
ECC83

R18
6K8

0.6W

R19
220K

0.6W

DPDT +9V

RL1C

R20
1M

0.6W

H50T

i

R21
1M

0.6W

H40T

2

6

R163
10M

0.6W

G

R23

820R

0.6W

100n 400V

i

1

A

K

3

R22
100K

0.6W

V2A
ECC83

C13

R24
2M2

0.6W

DPDT +9V

RL2B

R165
470K

0.6W

470p 100V

R26
33K

0.6W

22n 100V

22n 100V

R25
150K

0.6W

C15

C16

7

C14

VR9

B200K

Treble2

VR7
A1M
Bass2

VR8
B20K
Middle2

C17
22u
450V

R127
470K

0.6W

R164
150K

0.6W

GND

+

VR10

A1M

R28
10K

2W

!!

HT

FP

ODVolume

8

HT

GND GND GND GND GND GND GND GND

1

2

CON9

C C

D D

3
2
1

E1

ISS ECO NUMBER DATE

CON8

Input

T

S

JS1

GD GD

MODS FOR PCB ISS 2
MODS

RELEASE

MODS

1

GND

1

2

C19
22p
50V

GD GD

22n 100V

C109

R2
1M

0.6W

Input Daughter Bd

09-11-09
13-10-09
07-09-09

16-06-09

CuGND 1

2

W1

SAFETY CRITICAL COMPONENTS

COMPONENTS MUST BE REPLACED WITH

!

THE SAME TYPE AND RATING ONLY.

3

MATERIAL
MATERIAL THICKNESS
DRAWN
CHECKED
APPROVED

4

S.B.
S.R.D.

GND GND GND GND GND GND GND GND GND

18-01-08

DATE
DATE
DATE

GND

DIMENSIONS IN
TOLERANCE (UNLESS OTHERWISE STATED)

HOLE DIA = +/­DIMENSIONAL = +/-

MODEL

5

mm

MA100

MA50

C MARSHALL AMPLIFICATION PLC

DENBIGH ROAD, BLETCHLEY, MILTON KEYNES, MK1 1DQ.

TEL [phone] FAX [phone]

J:\MD48\100W Iss 3- 2\MA100-60-02-3-1.SchDoc

File:

6

RL2C

SendFX

SendFX

7

GND GND

DPDT +9V

TITLE

MAIN PCB

PREAMP

DWG. No.

MA100-60-02 3

GND

ISS Sheet

15

25/01/2010

Date:

8

of

1

2

3

4

5

6

7

8

H30T

i

+

GND

R95
10K

0.6W

C91
10u
350V

SendFX

A A

C90

MA100-60-02

FX LOOP

1n
400V

R92
1M

0.6W

i

H30T

D

S

TR90
TN2404

C92

G

+

i

1u

H30T

450V

1N5245B D91

R93
4M7

0.6W

GND GND

B B

1N5245B D92

R94
47K
1W

GND

!

R96
1K5

0.6W

R97

HT2

82K
3W

To CON4 FX/FSw BD

CON3

FROM R84

HT2

IN POWERAM P

123

GND

R100
1M

0.6W

4

+

C95
22u
50V

D90
1N5252B

R101
2K2

0.6W

R166
2K2

0.6W

D93

1N5226B

D94

1N5226B

To Switching & Mute

C93

+

1u 100V

GND

R99
33K

0.6W

R98
1M

0.6W

GND GND GND

H30T

R102
220K

0.6W

i

D

S

D

S

TR91
TN2404

TR92

+

C98
10u
63V

G

GJ202

C96

100n
400V

C97

100n
100V

SendRevSendFX

SendRev

R103
330K

0.6W

R105
100K

0.6W

ReturnRev

ReturnRev

To Poweramp

SendRev ReturnRev

SendRev

R110

REVERB

C C

22K

0.6W

R111
680K

0.6W

C100

47n
100V

R112
1M

0.6W

2
3

14V

84

_

NE5532P

+

IC1A

R113
100K

0.6W

7V

+

R115
10R

0.6W

R116
10R

0.6W

C101
47u
63V

R114
100K

0.6W

GND GND

1

84

_

NE5532P

+

IC1B

7

6
5

GND

R117
1K5

0.6W

R118
47R

0.6W

+

C103
4u7
63V

+

C108
47u
63V

CON18

1
2

REVERB PAN

CON19

R120
100K

0.6W

1
2

R119
2K2

0.6W

C104

47n
100V

R122
2K2

0.6W

+

C106
2u2
50V

84

_

TL072

+

IC2A

180K 0.6W

R121

47p 100V

C105

2
3

C107

1

47n
100V

Level

VR11
A10K

ReturnRev

R123
470K

0.6W

GND GNDGND

D D

3
2
1

E1

ISS ECO NUMBER DATE

MODS FOR PCB ISS 2
MODS

RELEASE

MODS

1

09-11-09
13-10-09
07-09-09

16-06-09

SAFETY CRITICAL COMPONENTS

COMPONENTS MUST BE REPLACED WITH

!

THE SAME TYPE AND RATING ONLY.

2

3

MATERIAL
MATERIAL THICKNESS
DRAWN
CHECKED
APPROVED

4

GND GND GNDGND

mm

MA100

MA50

6

S.B.
S.R.D.

DATE
DATE
DATE

23-01-08

DIMENSIONS IN
TOLERANCE (UNLESS OTHERWISE STATED)

HOLE DIA = +/­DIMENSIONAL = +/-

MODEL

5

C MARSHALL AMPLIFICATION PLC

DENBIGH ROAD, BLETCHLEY, MILTON KEYNES, MK1 1DQ.

TEL [phone] FAX [phone]

J:\MD48\100W Iss 3- 2\MA100-60-02-3-2.SchDoc

File:

7

GND

TITLE

DWG. No.

MAIN PCB

FX LOOP & REVERB

ISS Sheet

MA100-60-02 3

Date:

8

25

25/01/2010

of

1

MAINS TRANSFORMERS

100W HEAD 100W COMBO

230V TXMA-91016 TXMA-91017

TXMA-91020

120V

TXMA-91024

100V

TXMA-91028

MA100-60-02

130V

!

SUPERCOM

SC-8F-23C

A A

!

TXMA-91021
TXMA-91025
TXMA-91029

Chassis

LEN

FUSE

MAINS FUSES

100W 50W

230V T2AE250V T1AE250V

T4AE250V

120V

T4AE250V

100V

T4AE250V

130V

B B

SEC 2

FOR VALVE ILLUMINATION

LAMP LAMP

C C

T2AE250V
T2AE250V
T2AE250V

Heaters1

**

V4B

2

7

EL34

Heaters2

1
2

H1

H2

V5B

2

H1

7

H2

EL34

CHASSIS

50W HEAD 50W COMBO
TXMA-91018 TXMA-91019
TXMA-91022
TXMA-91026
TXMA-91030

ARCOLECTRIC

C1350VQAAK V0

POWER SWITCH

!

V7B

2

7

EL34

1
2

CON6

W60

SEC 4

W61

2

ARCOLECTRIC

C1350VQAAK V0

STANDBY

SWITCH

TXMA-91023
TXMA-91027
TXMA-91031

!

BLUE

+

234V

-

BROWN

V6B

2

H1

H2

H1

7

H2

EL34

+

SEC 1

-

+

SEC 2

-

+

SEC 3

-

+

SEC 4

-

V3C

AH

CH

BH

ECC83

!

WHITE

WHITE

RED

RED

ORANGE

ORANGE

PURPLE

BLACK

YELLOW

YELLOW

R171

100R 1W

4
9
5

R170

100R 1W

!

470n

63V C111

C113

470n

FS2

D65

D67

D66

1N4007P

D68

1N4007P

470n

1N4007P

1N4007P

63V C112

C114

470n

63V

T630mAE250V - 100W & 50W

Heaters1

1

Heaters2

1

63V

ON PCB

W70

W69

W65

W66

HEATERS1

HEATERS2

W67

W68
W60

W61

CHASSIS
GROUND

R87
10R

0.6W

R88

10R 2W

!

+

C73
2200u
25V

3

HT

HT

C77

ReturnRev

ReturnRev

22n
400V

* = NOT FITTED IN 50W UNIT

FP

+

C74
1000u
25V

4
9
5

V1C

AH

CH

BH

ECC83

4
9
5

V2C

AH

CH

BH

ECC83

15V

R89
10R

0.6W

+

C75
2200u
25V

4

H40T

V3B

ECC83

7

1

K

W-V3G2

R63
1M

0.6W

14V

i

A

8

+

C76
2200u
25V

1

6

R60

82K

0.6W

W-V3A21W-V3A1

47p

500V

C60

1

R62

470R

0.6W

R65
10K

0.6W

VR12
B10K

Resonance

+

C64
10u
100V

C78

10u
100V

R66
220R

0.6W

R67
330R

0.6W

R61
100K

A

G3

W-V3K

R64
1M

0.6W

100K

0.6W

+

0.6W

H40T

1

K

3

7V

C61

i

V3A

ECC83

GG

C63
100n
100V

R90

H50T

C62
47n 400V

47n
400V

2

6
5

i

1

220K

0.6W

C65

10u
100V

W-V3G1

R68

14V

84

_

TL072

+

GND

+

5

C66

IC2B

47u
450V

GND

1

W-R72R73

!

R74
1R

2W

GND

CON7

Bias Test Point

FP

R75

1R 2W

GND

1

W-R76R77

R69
220K

0.6W

7

6

W69

H60T

4

G2

4

G2

4

G2

4

G2

G3

1

G3

1

G3

1

G3

1

i

TO R97

IN FX LOOP

*

R78
1K

5W

38

A

R79
1K

5W

38

A

R80
1K

5W

38

A

*

R81
1K

5W

38

A

Bias2

R125
47K

0.6W
TRIM1

SetBias1
47K

HT2

HT2

1

W-R78

LINK FOR 100W ONLY

LINK FOR 100W ONLY

C79
10u

+

100V

R71
22K

1
1

R70
4K7

0.6W

R72
5K6

R73
5K6

R76
5K6

R77
5K6

2W

*

*

FP

V4A EL34

K

V5A EL34

K

W-V4KV5K

V6A EL34

K

W-V6KV7K

V7A EL34

K

C67
680n
100V

VR13
Presence
B5K

*

G1

5

G1

5

G1

5

*

G1

5

+

FP

3
2
1

GND

!

SBY

R84
470R

7W

+

C68

100u550V

GND GND

Bias1

R82
47K

0.6W

W70

1

i

+

C69
100u
550V

TRIM2
SetBias2
47K

1

H60T

7

SBY

FS1

C116
100n

630V

1N4007P

To V5-A

1

To V6-A

HOLE1

47K 0.6W

47K 0.6W

C70
10u

+

100V

!

T630mAE250V - 100W
T500mAE250V - 50W

H60T

i

D60

D62

1N4007P

GND

C118
1n

1000V

C120
1n

1000V

D61

D63

!

To Output BD Pin B

PIN D

OUTPUT TRANSFORMERS

W2

1

GND

R86
100K

0.6W

R124

R83

To Output BD Pin F

To Output BD Pin A

100W 50W
TXOP-90001 TXOP-90002

To CON2 Output BD

2

GND

D64

1N4007P

C71
22u

+

160V

C119
1n

1000V

1N4007P

C121
1n

1000V

1N4007P

CON1

1

R85
15K

0.6W

8

1

W65

SEC 1

1

W66

1

W67

SEC 3

1

W68

D D

3
2
1

E1

ISS ECO NUMBER DATE

MODS FOR PCB ISS 2

MODS
RELEASE

MODS

1

09-11-09
13-10-09
07-09-09

16-06-09

2

GND GND GND GND GND GND

SAFETY CRITICAL COMPONENTS

COMPONENTS MUST BE REPLACED WITH

!

THE SAME TYPE AND RATING ONLY.

3

GND

GND

MATERIAL
MATERIAL THICKNESS
DRAWN
CHECKED
APPROVED

4

S.B.
S.R.D.

DATE
DATE
DATE

22-01-08

GND GND GND GND GND GND

DIMENSIONS IN
TOLERANCE (UNLESS OTHERWISE STATED)

HOLE DIA = +/­DIMENSIONAL = +/-

MODEL

5

mm

MA100

MA50

GND GND

C MARSHALL AMPLIFICATION PLC

DENBIGH ROAD, BLETCHLEY, MILTON KEYNES, MK1 1DQ.

TEL [phone] FAX [phone]

J:\MD48\100W Iss 3- 2\MA100-60-02-3-3.SchDoc

File:

6

7

TITLE

MAIN PCB

POWERAMP & PSU

DWG. No.

MA100-60-02 3

ISS Sheet

35

25/01/2010

Date:

8

of

1

A A

2

3

4

5

6

7

8

MA100-60-02

B B

15V

+

C44
47u
63V

R168
1K

0.6W

ReturnRev

+-

DPDT +12V

RL3A

TR40
BC182

R40
820R
1W

R41
10K

0.6W

2

SW10A

1

5

SW10B

3

6

4

R42
10K

0.6W

D40
1N4007P

R43
820R
1W

RED

LED103A

TR41
BC182

R169
1K

0.6W

R44
820R
1W

R45
10K

0.6W

8

SW10C

7

11

SW10D

9

10

+-

DPDT +9V

TR42
BC182

12

RL1A

+-

+

C40
22u
50V

RL2A

DPDT +9V

R46
10K

0.6W

TR43
BC182

R48
820R
1W

RED

LED103B

R47
33K

0.6W

R57
4K7

0.6W

R49

820R

1W

LED101

GREEN

R167
10K

0.6W

TR44
BC182

TR46

J174

S

G

220n 100V

C41

D

C115

220n100V

R51

220K

0.6W

R50
220K

0.6W

C42
470n
63V

R52
47K

0.6W

R53
15K

0.6W

R54
47K

0.6W

R55
10K

0.6W

1

R56
100R

0.6W

7

+

_

+

_

IC3A

LM393

4 8

GND

15V

IC3B

LM393

4 8

3
2

5
6

G

C43
10n
63V

ReturnRev

D

TR45
J174

S

To CON10 FX/FSw BD

C C

D D

3
2
1

E1

ISS ECO NUMBER DATE

MODS FOR PCB ISS 2
MODS

RELEASE

MODS

1

GND

09-11-09
13-10-09
07-09-09

16-06-09

2

GND GNDGND GND

GND

CON11

123

Channel_changeBoost

TO CONTROL GND
STAR POINT

GND GND GND

MATERIAL
MATERIAL THICKNESS
DRAWN
CHECKED
APPROVED

3

4

S.B.
S.R.D.

DATE
DATE
DATE

22-01-08

DIMENSIONS IN
TOLERANCE (UNLESS OTHERWISE STATED)

HOLE DIA = +/­DIMENSIONAL = +/-

MODEL

5

mm

MA100

MA50

DENBIGH ROAD, BLETCHLEY, MILTON KEYNES, MK1 1DQ.

J:\MD48\100W Iss 3- 2\MA100-60-02-3-4.SchDoc

File:

6

GNDGND GND GND GND

TITLE

C MARSHALL AMPLIFICATION PLC

TEL [phone] FAX [phone]

DWG. No.

7

MAIN PCB

SWITCHING & MUTE

ISS Sheet

MA100-60-02 3

Date:

8

45

25/01/2010

of

1

A A

2

3

4

5

6

7

8

MA100-60-02

Output BD

T

S

JS7

T

S

JS3

T

S

JS4

JS2

Footswitch

SW1B

4
6

1
3

SW1A

EW

22n

FX/FSw BD

T

R

S

C94

100V

PIN B

1

16 OHM

5

2

To TXOP

Secondaries

PIN F

PIN A

1

8 OHM

1

GND

1

2

To Poweramp

CON2

GROUND

CON4

Send

To CON11

123

Bst

CONT_GND

Return

Earth Washer

JS6

CON10

Chnl

T

S

To CON3

123

4

GRND

B B

T

S

JS5

GRND GRND

C C

D D

7

TITLE

MAIN PCB

DAUGHTER BOARDS

DWG. No.

MA100-60-02 3

ISS Sheet

55

25/01/2010

Date:

8

of

3
2
1

E1

ISS ECO NUMBER DATE

MODS FOR PCB ISS 2
MODS

RELEASE

MODS

1

09-11-09
13-10-09
07-09-09

16-06-09

SAFETY CRITICAL COMPONENTS

COMPONENTS MUST BE REPLACED WITH

!

THE SAME TYPE AND RATING ONLY.

2

3

MATERIAL
MATERIAL THICKNESS
DRAWN
CHECKED
APPROVED

4

S.B.
S.R.D.

DATE
DATE
DATE

22-01-08

DIMENSIONS IN
TOLERANCE (UNLESS OTHERWISE STATED)

HOLE DIA = +/­DIMENSIONAL = +/-

MODEL

5

mm

MA100

MA50

C MARSHALL AMPLIFICATION PLC

DENBIGH ROAD, BLETCHLEY, MILTON KEYNES, MK1 1DQ.

TEL [phone] FAX [phone]

J:\MD48\100W Iss 3- 2\MA100-60-02-3-5.SchDoc

File:

6