Ampeg GVT15 Schematic

8

7

6

5

4

3

2

1

PLATE_VT1

PRIMARY

OUTPUT

TRANSFORMER

SECONDARY

[1]

J10-1

J10-6

8_OHM

J28-2

J28-4

4_OHM

J10-2

J10-5

A

16_OHM

J28-1

J28-3

E

J10-3

J10-4

D

D

[1]

COMMON

D

[1]

R53

[1]

VJ1-A

T

BRKT ANG 6-32X.037THK STL

3

100K

R46

8P CER PENT

712-020-00

HDW1

C13

1W

C41

100K

R23

R

0.1uF

4

16 OHM

.022

1W

1K5

5

SCREEN_VT1

C33

MT1

STACK1_SEND

[1]

16 OHM

0.1uF

630V

1W

S

400V

[2]

2

4

STACK2_SEND

C30

6

1

8

1

3

J4

[2]

1

4

630V

.022uF

R14

PINOUT

R57

6

7

2

5

T

INPUT

J24-1

J23-1

R50

1

STACK2_RETURN

R24

470K

T

33K

7

VJ3-B

[2]

100K

1W

C9

3

6

8 OHM

J24-2

J23-2

33K

400V

R17

VJ3-A

PINOUT

J24-3

J23-3

1W

9P CER DTRI

STACK1_RETURN

2

R36

8

VJ4-B

1W

470

100UF

R

8 OHM

9P CER DTRI

R

R56

[2]

1W

9P CER DTRI

5W

50V

J24-4

J23-4

8

R34

1M

SECONDARY

R33

C61

1M

3

1W

S

47K

C

S

1K5

47pF

1W

4 OHM

[1]

PRIMARY

J5

C38

R48

1W

1W

400V

T

J25

R30

VJ4-A

4.7UF

1K5

R58

3

63V

1W

C42

C21

1M

9P CER DTRI

PLATE_VT2

R

8 OHM

4.7UF

1K5

0.1uF

1W

R25

[1]

2

R15

COMMON

63V

1W

100K

CHASSIS GND @ INPUT

470K

S

1W

VJ2-A

630V

1W

3

8P CER PENT

C14

J6

1

R19

0.1uF

1K5

5

4

SCREEN_VT2

T

1W

[1]

630V

R

4 OHM

1

8

S

TUBE TYPE NOTES:

R18

C10

T

J7

C

RV1

712-021-01

470

100UF

C

RVT CL END .125X.062-.125

PREAMP = ECC83 / 12AX7

5W

50V

R

4 OHM

PHASE SPLITTER = ECC83 / 12AX7

RV2

712-021-01

RVT CL END .125X.062-.125

POWER = 6V6 (2)

S

6

R12

[1]

PLATE_VT1

470

4

[1]

J8

SCREEN_VT1

[1]

B

8

5W

[1]

PLATE_VT2

11

R13

470

13

SCREEN_VT2

[1]

[1]

B

9

5W

+

1

C23

C22

V_RELAY [1,2]

0.01UF

0.01UF

D2

K2

1N4007

1000V

1000V

-

16

D7

D6

J21

1N4007

1N4007

POWER TRANSFORMER

J22 STDBY 1 TOP

STDBY 1 MID

HV AC ! RED J14

F3

A

B

C

D

E

TWISTED TRIPLE

D5

D4

[1]

[1]

[1]

[1]

[1]

1N4007

1N4007

J15

.5A

J19 STDBY 2 BOT

R28

R27

R38

R43

HV AC CT ORN

J16 STDBY 2 MID

470

10K

10K

10K

BRN

C18

C17

5W

2W

2W

2W

0.01UF

0.01UF

FULL POWER

R37

240 VAC

HV AC ! RED J13

F2

J18

STDBY 2 TOP

4K7

STANDBY

C27

C26

C25

C40

C39

C43

3W

1000V

1000V

R35

C19

47uF

47uF

22uF

22uF

22uF

0.1uF

.5A

1/2 POWER

R39

450V

450V

450V

450V

450V

220K

47uF

630V

J20

F4

2W

450V

4K7

RELAY AC YEL

3W

B

T4A

[1,2]

R45

B

V_RELAY

4K7

6.3 VAC

D11

C15

3W

15A

10,000UF

J17-1

RELAY AC YEL J31

R52

TO FP LED (BICOLOR)

MAIN FUSE

16V

BLU

4K7

J17-2

3W

120 VAC

IEC

POWER

V_RELAY

[1,2]

WHT

J11

FIL AC GRN

C67

C24

C8

R49

R55

C37

D10

100 VAC

6V6FIL1

470

1K

A

[1]

47UF

1N4744

8

.1UF

.1UF

TWISTED PAIR

[1]

.1UF

U2-C

U1-C

8

50V

15V

.25W

.25W

TWISTED PAIR

R16

U3-C

8

6.3 VAC

TL072CN

R51

VJ3-C

VJ4-C

C28

TL072CN

C5

VREF

4

4

470

4558

1M

BLK

9P CER DTRI

9P CER DTRI

4

C68

C36

[2]

ROUTE AS

.25W

R47

.25W

COMMON

47UF

D9

Q1

D8

.1UF

.1UF

10K

Q2

DIFF PAIR

R21

15A

.1UF

50V

1N4744

2N4401

2N4401

470

C11

15V

.25W

.25W

R54

F1

10,000UF

J12

6V6FIL2

16V

4

5

4

5

2K2

400-060-00

.25 W

FC1

[1]

FUSE CLIP PCMT 5MM DIA

FIL AC GRN

TWISTED PAIR

T4A

9

9

FC2

400-060-00

FUSE CLIP PCMT 5MM DIA

FC3

400-060-00

VJ1-B

FUSE CLIP PCMT 5MM DIA

8P CER PENT

2036322-XX

APPROVALS

DATE

400-060-00

DRAWN: TH and RMR

03 FEB 2011

FC4

SCH1

FUSE CLIP PCMT 5MM DIA

SCHEMATIC PCB ASSY, AMPEG GVT15

A

2

7

Technologies Inc.

A

400-060-00

[1]

[1]

FC5

FUSE CLIP PCMT 5MM DIA

6V6FIL2

6V6FIL1

2036324-00

CHECKED:

PCB1

FC6

400-060-00

PCB FAB, AMPEG GVT15

NP ENG:

16220 WOOD-RED RD NE WOODINVILLE, WA 98072

FUSE CLIP PCMT 5MM DIA

MATERIAL:

2

7

FC7

400-060-00

C 2010-2011 LOUD TECHNOLOGIES INC.

SCHEMATIC, AMPEG GVT15

FUSE CLIP PCMT 5MM DIA

ALL RIGHTS RESERVED

MFG:

400-060-00

VJ2-B

FC8

FUSE CLIP PCMT 5MM DIA

8P CER PENT

THE INFORMATION CONTAINED HEREIN

MFG ENG:

SIZE

SCALE:

DWG. NO.

REV.

IS PROPRIETARY AND CONFIDENTIAL

D

NONE

2036322-XX

201

ISSUED:

PROPERTY OF LOUD TECHNOLOGIES INC.

DWG FILE:

SHEET 1 OF

1

8

7

6

5

4

3

2

1

8

7

6

5

4

3

D

R79

R78

R81

220K

100K

120K

1W

C53

1W

R71

1W

R80

R20

220K

C60

C56

0.0047UF

100K

10

1W

C58

470pF

47PF

1W

C54

1W

.001

500V

1000V

400V

FPGND

C57

3

CW

CW

47PF

C52

220PF

3

1000V

400V

250V

R74

CW

330pF

FPGND

2

R72

2

3

CW

3

3

CW

1M-A

R73

1M-A

R75

2

CW

MIDRANGE

2

3

1

GAIN

1

1M-A

R76

2

630V

1M-A

TREBLE

1M-A

R77

2

R69

R70

BASS

1

C59

1

R82

47K

FPGND

VOLUME

250KB

100K

100K

.01

1

1W

C55

REVERB 1

1W

1W

R84

400V

4700pF

R83

500V

C51

22K

100K

800 Hz

.01

1W

FPGND

FPGND

FPGND

1W

400V

FPGND

FPGND

FPGND

STACK1_SEND

[1]

J27-8

J9-8

STACK1_RETURN

[1]

J27-7

J9-7

J27-6

J9-6

STACK2_SEND

[1]

J27-5

J9-5

J27-4

J9-4

J27-3

J9-3

C

J27-2

J9-2

J27-1

J9-1

FPGND

"Mr. Clean" FRONT PANEL

R29

R26

C35

Dry

Wet 100K

100K

1uF

.25W

.25W

100V

1Hz

48kHz

150 Hz

+6 dB

-20 dB

Current Drive

160Hz

10kHz

6

R97

U2-B

ACTIVE

U3-A

4

120K

TL072CN

R95

REVERB

STACK2_RETURN

5

3

4558

+37 dB

8

.25W

6

7

+

1

10

BYPASS

[1]

R31

2

C16

-

.25W

11

R93

C20

330pF

100K

U3-B

C29

U2-A

C34

13

1uF

10K

630V

.25W

+4558

1uF

5

R96

REVERB

TL072CN

1uF

9

R89

10

2

J26

J35

2

3

100V

.25W

10K

6

7

SEND

RETURN

1

R32

-

2

+

1

R92

.25W

100V

V_RELAY

.25W

R90

WHT

1

R44

10K

1

RED

100V

C66

R41

D3

[1,2]

1M

R94

4K7

22K

C32

220pF

K3

.25W

.25W

.022

.25W

C31

R40

1K

1N4007

10K

.25W

100V

.25W

500V

-

16

.25W

0.0022uF

1M

REVERB_CTRL

.25W

R42

68K

[2]

R91

C65

0.25W

B

VREF

47

1uF

[1,2]

.25W

100V

VREF

C64

[1,2]

22uF

63V

6

1Hz

48kHz

1Hz

48kHz

4

8

-0.2 dB

-12dB

+12.2 dB

11

C7

R10

ACTIVE

1uF

U1-A

10K

C3

RETURN

R1

C2

U1-B

EFFECTS LOOP

13

R4

SEND

C4

TL072CN

22UF

EFFECTS

1uF

R8

9

100V

.25W

3

1K

T

T

10K

5 TL072CN

BYPASS

1

2K7

1uF

+

1

V_RELAY [1,2]

2

.25W

.25W

6

7

R9

R3

R

R

100V

.25W

D1

J2

C1

100V

1M

330

J1

C6

R6

K1

1N4007

100PF

.25W

R11

.25W

R2

100PF

-

500V

500V

10K

16

VREF [1,2]

1K

S

S

220K

.25W

FX_CTRL

[2]

.25W

.25W

R5

R7

10K

33K

VREF

.25W

.25W

[1,2]

T

REVERB_CTRL[2]

A

J3

R

FX_CTRL [2]

FOOTSWITCH

S

MT2

2	1

Technologies Inc.

16220 WOOD-RED RD NE WOODINVILLE, WA 98072

SCHEMATIC, AMPEG GVT15

SIZE	SCALE:	DWG. NO.	2036322-XX			REV.
D	NONE					201
DWG FILE:				SHEET	2 OF 2

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