ampeg svt-vr schematic binder - bustedgear.com compilation of ampeg svt-vr schematics

DCBA

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 POWERAND 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 OSCILLOSCOPEAND 10 MEGOHM DIGITAL VOLTMETER.

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

DCBA

1

FE

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:

Thu Apr 20, 2006

0 3/13/06

1

GM

CONTROL ISSUE

C

of

Drawing Title:

Drawing Number:NONE

1

Ecr(s)/Ecn(s)

First Used On:

ST. LOUIS MUSIC, INC

Date:08/17/05

11880 Borman Drive, St. Louis, MO 63146

Chgd By

Appvd by

F

07S365

2

SCHEMATIC - TUBE BD

Date

4

3

DCBA

4

3

2

NOTES:








DCBA

1

FE

1

Signatures:

Checked:

Drawn:

Sheet

Class Code:


Drawing Size:


Released:


E

Tolerance:

Plot Date:

Plot Time:

Thu Apr 20, 2006

0 3/13/06

1

GM

CONTROL ISSUE

C

of

Drawing Title:

Drawing Number:NONE

1

Ecr(s)/Ecn(s)

First Used On:


Date:08/17/05


Chgd By

Appvd by

F

07S365

2

SCHEMATIC - TUBE BD

Date

4

3

1

FIL2

FIL1

FIL1

660V

FIL2

FIL2

FIL1

372V

J7

FIL1

FIL2

TO POWER AMPJ10

30V

FIL2

1KV PIV1N4007

D6

APPROX -45V

1KV PIV1N4007

D4

660V

R12220

1/2W5% FLAMEPROOF

1/2W1%

47.5KR4

1KV PIV1N4007

D3

1%1/2W47.5KR14

FIL111

53W5% FLAME PROOF

R15

R9220

1/2W5% FLAMEPROOF

1KV PIV1N4007

D10

1KV PIV1N4007

D9

1KV PIV1N4007

D8

1N4007

D5

1KV PIV

J12

J8

7

2

45

3

8

J2

53W5% FLAME PROOF

R5

D12

1N4007

1KV PIV

D1

1N40071KV PIV

D21N4007

1KV PIV

NOTE: D, 3, 4, 6, 7, 10 , 11 ARE NOT USED AS INDICATED BY Do Not Place 'DNP'.

TRANSFORMER

FIL1

30V

FIL2

FIL2

FROM FILAMENT

APPROX -45V

R1347.5K1/2W1%

FIL2

R8220

1/2W5% FLAMEPROOF

1%1/2W47.5KR6

2201/2W

R7

5% FLAMEPROOF

53W5% FLAME PROOF

R11

FIL1

R22201/2W

5% FLAMEPROOF

FIL1

R1647.5K1/2W

1%

1KV PIV1N4007

D1153W5% FLAME PROOF

R18

372V

J11

1KV PIV

1N4007D7

R102201/2W

5% FLAMEPROOF

TO POWER AMP

1

2

3

4

5

6

7

J9

{Value}

7

2

45

3

8J4

53W5% FLAME PROOF

R17

7

2

45

3

8

J1

7

2

45

3

8

J5

R147.5K1/2W1%

53W5% FLAME PROOF

R3

7

2

45

3

8

J6

7

2

45

3

8

J3

Rich

Typewritten Text

Ampeg SVT-VR

Rich

Typewritten Text

TUBE BOARD Screen-grid diodes later omitted.

Rich

Typewritten Text

BustedGear.com

DCBA

4

3

2

NOTES:








DCBA

1

FE

1

Signatures:

Checked:

Drawn:

Sheet

Class Code:


Drawing Size:


Released:


E

Tolerance:

Plot Date:

Plot Time:

Tue Mar 14, 2006

A 3/14/06

1

REM

-

-

-

INITIAL ISSUE

C

of

Drawing Title:

Drawing Number:NONE

2

Ecr(s)/Ecn(s)

First Used On:


Date:02/16/05


Chgd By

Appvd by

F

-

07S792

2

SCHEM- PWR AMP/SUPPLY

Date

4

3

VDC

VDC

N/C

POST GND

VDC

FIL2

FIL1

+380V

FIL2

+300V

-150V

-150V

+305V

FIL2

DRIVE-B

DRIVE-A

PRE BAL

PRE GND

-15V

+12V

OUTPUT

R7110K

1%1/2W

R551M

1/2W1%

0.4V

R59

1.0K1%

R65

511.01%

R6347.51/2W1%

R57

1%221.0

1/8W

R542.21K

1%

5.7V

FIL1

C18

.1400V

CW50K LP3

BALANCE

C9.1

250V

FIL2

VDC

OPTIONALC16

1

VDC

R42

1/2W1%

475.0K

5.5V

C6

.047400V

FIL1

C10

.047400V

CW50K L

P1

BIAS 1

1per

R2268.1K1/2W

CW50K L

P2

BIAS 2

+305V

30V

30V APPROX -45V

APPROX -45V

FIL1

+480V

R56

1.0K1%

R64

511.01%

D241N3070

R50475.0K1/2W1%

100 pFC15

1KV

2

1J23

J7:B

R46825

1%1/2W

R4468.1K1/2W1%

J20

R201.82K

1%

R27

1/2W475.0K

1%

FIL2FIL1

R6120K

150K

R11

1%1/2W

R17120K

R1368.1K1/2W1%

1/2W1%

150K

R28

7

6

J3:B

J5:B

PWR AMP IN

J10

TO PREAMP BD

TO PREAMP BD

5.5V

FIL1

2

1J24

{Value}

R70

221K1/2W

1%

CW

BAL OUT LEVEL

P42K A

#8

#7

#9

#4

#2

4:1 N/C

T1

4:1

J7:A

1/2W

R51221K

1%

ASSY PART # 07-792-01

+300V

47KR21

5W

1%

R4347.5K1/2W

1%1.82KR38

1%

R471M

1/2W

OPTIONAL

FIL2

R9

47K1W

R24

47K1W

1

2

3

4

5

6

7

J6

{Value} PREAMP OUT

J13

SLAVE OUT

J8 1N3070D23

O

C

I

O

C

I

S1:BGND

R5150K

1%1/2W

J3:A

J5:AC17

C14

.1400V R25

150K1/2W1%

47KR39

5W

TO SPKR OUT BD

TO

TC

TI

TO

TC

TI

GND

PRE/POSTS1:A

1

3

2

J17

BALANCED OUT

Rich

Typewritten Text

Ampeg SVT-VR Driver / Phase Inverter

Rich

Typewritten Text

BustedGear.com

DCBA

4

3

2

NOTES:








DCBA

1

FE

1

Signatures:

Checked:

Drawn:

Sheet

Class Code:


Drawing Size:


Released:


E

Tolerance:

Plot Date:

Plot Time:

Tue Mar 14, 2006

A 3/14/06

2

REM

-

-

-

INITIAL ISSUE

C

of

Drawing Title:

Drawing Number:NONE

2

Ecr(s)/Ecn(s)

First Used On:


Date:02/16/05


Chgd By

Appvd by

F

-

07S792

2

SCHEM- PWR AMP/SUPPLY

Date

4

3

4

11

11

4

8

4

4

8

FIL1

4 8

+15V

+15V

IC6

IC5

IC3

IC2

TO PWR XFMR

TO TUBE BD

TO PWR XFMR

TO OUTPUT XFMR

VDC

-15V

D-GND

D-GND

ICL1

20 A

R52

2201W

D-GND

R481

2W

D-GND

R26

1K1/2W1%

D-GND

R30

1K1/2W

1%

R23

2.2K

R19

100

2

31

IC3:A

TLO-74

D15

1N914

110KR29

R32

22K

R37

22K

D1GRN

+15V

D-GND

+15V

D-GND

2N5210

Q3

R2

2.2K1/2W

+15V

Q2

MPS-A13

+15V

D-GND

R4568.1K

1%1/2W

1

2

3

4

J4

IC4

RefDes

TO PWR XFMR

TO PWR XFMR

TO PWR XFMR

475.0K1/2W1%

R61

475.0K1/2W1%

R58

+15V

D61N4007

D-GND

D25

1N4007

D361N4007

D321N4007

D-GND

100C29

450V

R69150K2W

100C23

450V

VDC

R68150K2W

47035V

C12

+12V

+305V

C24

450V100

C2547

450V

C2247

450V

R62

6.8K10W

D31N4744

-150V

R31

1K1/2W

1%

R67220K1W

220KR66

1W

C1100V.047

C2747

450V

C2847

450V

100V

C13.047

+15V

D-GND

R491

2W

6.3VAC BETWEENLINES

R35

2.2K

13

1214

IC3:D

TLO-74

6

57

IC3:B

TLO-74

9

108

IC3:C

TLO-74

D-GND

6

57

IC4:B

TLO-72

D-GND

47KR8

D-GND

C1922016V

D11

1N4007

D18

1N4007

D14

1N4007

C5150035V

D311N4007

C4150035V

C222016V

D-GND D-GND

DRIVE-B

DRIVE-A

TO AC TERM BD

RELAY CONTROL

+15V

Power Table

+300V

+380V

D-GND

R12475

1/2W1%

100V PIV1N5401

D21

R18

4751/2W1%

C8

2.250V

R34

470K

FIL2

C11

2.250V

R41

470K

R53

2201W

D9

1N914

R1

2.2K1/2W

R10

110K

R15

1001/2W1%

D4

1N914

R3

2.2K1/2W

R4

2.2K1/2W

D5

GRN

2N5210

Q1

D16

1N914

R16

1M

R14

100K

R40

22K

2.2KR33

TO TUBE BD

0 VDC @ TURN- ON> 9 VDC AFTER 20 SEC.

D201N914

-15V

D17

1N4007

D13

1N4007

.1C7

100V

D8

1N4007

J14

D34

1N4007

J16

J19

J21 D35

1N40071KV PIV

.1C21

275V UL

D30

1N4007

J12

D29

1N4007

.1C20

275V UL

D26

1N4007

D281N4007

J11

1 IN 3+12V_OUT

2GND

7812

D-GNDD-GND

D-GND

1035V

C3

C26100250V

R60

47K5W

D-GND

100V PIV1N5401

D22

2

31

IC4:A

TLO-72

D10

1N914

D-GND

D12

1N914

J9

1

2

3

4

5

6

7

J2

D19YEL

D71N4007

D33

1N4007

J15

J22

J18

1N4007D27

R36

1001/2W

1%

D21N4744

1 IN 3+5_OUT

2GND

78052

1J1

R7

1001/2W1%

D-GND

D-GND

+480V

FILAMENT XFMR

TO PWR XFMR

TO PWR XFMR

Rich

Typewritten Text

Ampeg SVT-VR

Rich

Typewritten Text

Rich

Typewritten Text

Rich

Typewritten Text

Power Amp/Supply

Rich

Typewritten Text

BustedGear.com

3-7-06

05/11/06

C

WFB

BA

4

CAUTION:

A B C D

Tolerance:

Plot Time:

Plot Date:

E

R01922

F

4

2

NOTES:

1

Checked:

Drawn:

Released:

REV Date

Sheet 1 of 2

NONE

Date:

8/25/05

Appvd by

3

1

A B C D E F

2

Thu May 11, 2006 Drawing Title:

1901 Congressional, St. Louis, MO 63146


3

Signatures:

Drawing Number:

BASS AMP

07S598

First Used On:


Ecr(s)/Ecn(s) Chgd By Date



Drawing Size:

INITIAL ISSUE

CHG CAP VALUES FM .22 TO .1

TOUCHING INTERNAL PARTS.

Class Code:

REM

DESCRIPTION

3) VOLTAGES ARE MEASURED WITH 1 MEGOHM OSCILLOSCOPE

2) UNLESS NOTED, RESISTOR VALUES IN OHMS, 1/10W-5% TOL.

AND BE SURE POWER SUPPLY IS DISCHARGED BEFORE

THAT EXPLAINED IN THE OPERATING INSTRUCTIONS.


CAPACITOR VALUES IN MICROFARADS, 50V-10% TOL.

AND 10 MEGOHM DIGITAL VOLTMETER.

THIS UNIT CONTAINS HAZARDOUS VOLTAGE. DISCONNECT POWER

SERVICE PERSONNEL. DO NOT PERFORM ANY SERVICING BEYOND

THIS SCHEMATIC IS PROVIDED FOR USE BY QUALIFIED PERSONNEL.

3-7-06

05/11/06

C

WFB

BA

4

CAUTION:

A B C D

Tolerance:

Plot Time:

Plot Date:

E

R01922

F

4

2

NOTES:

1

Checked:

Drawn:

Released:

REV Date

Sheet 1 of 2

NONE

Date:

8/25/05

Appvd by

3

1

A B C D E F

2

Thu May 11, 2006 Drawing Title:

1901 Congressional, St. Louis, MO 63146


3

Signatures:

Drawing Number:

BASS AMP

07S598

First Used On:


Ecr(s)/Ecn(s) Chgd By Date



Drawing Size:

INITIAL ISSUE



Class Code:

REM

DESCRIPTION

3) VOLTAGES ARE MEASURED WITH 1 MEGOHM OSCILLOSCOPE










A

9V

1.3V

205VDC

1.2V

+12V

+12V

C18

.0022400V

2

1J11

40mV

C17

.0022400V

10M1/2W1%

R43

3.32M1/2W1%

R10

+315V

C47

.1400V

47K2W

R12

150VDC

A

BC

SW1:A

ULTRA HIGH

C37

.1400V

22KR58

47450V

C7

.001C30

400V

+480V

.0047C42

100V

1234

J16

.033C4

100V

33.2K

1%

R62

560R19

190VDC

.25V

+315V

56K2W

R63

R811M

1/2W1%

+315V

C6

.22250V

+12V

.68C34

250V

+315V

+480V

+12V

-15V

0.4V

12.5V

R37

150K1/2W1%

C19

.0022400V

2

1J7

R36

150K1/2W1%

C20

.0022400V

A

BC

SW1:B

V1:B

9-PIN

221K1/2W1%

R22

.01C29

400V

R59

100K1/2W1%

50 pFC8

500V

1234

J15

221K1/2W1%

R74

1M1/2W1%

R18

C45

.1100V

C31

.01400V

C46

.022400V

CW

P3

50K L

MIDRANGE

1M1/2W1%

R13

3.32K1/2W1%

R11

R67

4751/2W1%

100K1/2W1%

R78

R68

6811/2W1%

47K2W

R70

6.81K1/2W1%

R65

1

2

3

4

5

6

7

J10

.156 7 PIN HDR

+315V

+12V

13.5V

3.32K1/2W1%

R5

200VDC

221K1/2W1%

R6

1M1/2W1%

R32

V2:B

9-PIN

+315V

1.5K1/2W1%

R7

CW

P4

1M ABASS

+315V

C25

470pF500V

221K1/2W1%

R76R24

8.5K5W

10.0K

1%

R61

C43

470pF500V

V3:B

9-PIN

221K1/2W1%

R8

53

L

CMNCTR

R

MIDRANGE SELECT

SW2

140VDC

135VDC475.0K1/2W1%

R9

47K2W

R79

190VDC

+315V

V1:A

9-PIN

.0022C16

400V

68.1K1/2W1%

R33

221K1/2W1%

R42

V2:A

9-PIN

R7347K2W

C5

.15100V

C3

.01400V

CW

P2

1M ATREBLE

R14

100K1/2W1%

1800mH

2300mH

3100mH

4CMN

L1

100mH/300mH/800mH

C32

.68250V

221K1/2W1%

R23

V4:B

9-PIN

9-PINV4:A

1K1/2W1%

R80

V3:A

9-PIN

SWITCH BREAK-OFF PC BOARD #1

CW1M A

P1VOLUME

123456

J14

53

L

CMNCTR

RULTRA LOW

SW3

123456

J13

Rich

Typewritten Text

Ampeg SVT-VR

Rich

Typewritten Text

PREAMP

Rich

Typewritten Text

Rich

Typewritten Text

BustedGear.com

3-7-06

05/11/06

WFB

A

C

B

Plot Time:

Drawn:

REV

Sheet

INITIAL ISSUE


of 22

NONE

8/25/05

Date:

Ecr(s)/Ecn(s)

R01922

Appvd by Date

5

4

A

A

B

B

C

C

D

D

E

E

Plot Date:

Checked:

Released:

F

F

G

G

5

4

3

1

2

BASS AMP

3

1

2

NOTES:

Date

Drawing Number:Class Code:


1901 Congressional, St. Louis, MO 63146REM

ST. LOUIS MUSIC, INCTHE INFORMATION CONTAINED ON THIS DRAWING IS PROPRIETARY TO

Chgd ByDESCRIPTION




CAUTION:

Tolerance:

Drawing Title:

First Used On:

Drawing Size:

Signatures:

Thu May 11, 2006

07S5983) VOLTAGES ARE MEASURED WITH 1 MEGOHM OSCILLOSCOPE









3-7-06

05/11/06

WFB

A

C

B

Plot Time:

Drawn:

REV

Sheet

INITIAL ISSUE


of 22

NONE

8/25/05

Date:

Ecr(s)/Ecn(s)

R01922

Appvd by Date

5

4

A

A

B

B

C

C

D

D

E

E

Plot Date:

Checked:

Released:

F

F

G

G

5

4

3

1

2

BASS AMP

3

1

2

NOTES:

Date

Drawing Number:Class Code:


1901 Congressional, St. Louis, MO 63146REM

ST. LOUIS MUSIC, INCTHE INFORMATION CONTAINED ON THIS DRAWING IS PROPRIETARY TO

Chgd ByDESCRIPTION




CAUTION:

Tolerance:

Drawing Title:

First Used On:

Drawing Size:

Signatures:

Thu May 11, 2006

07S5983) VOLTAGES ARE MEASURED WITH 1 MEGOHM OSCILLOSCOPE









A

-15V

200VDC

+315V

15.5V

2

1J5

2

1J8

110mV1.1V

+12V

R30

100K

1 2 3 4

J12

1 2 3 4

J9

A

BC

SW5:B

C51

.1400V

C52

470pF500V

R25

1K

A

BC

SW4:B

J18

250VDC

.01C33

400V

.0047C44

100V

R71

100K1/2W1%

2

1J6

0VDC

3.32M1/2W1%

R15

C49

.1400V

1M1/2W1%

R35

R31

1K

A

BC

SW4:A

ULTRA HIGH

R26

470

+315V

J17

C50

.1400V

.001C35

400V

C48

470pF500V

R2

100K1/2W1%

R3

47.5K1/2W1%

C1

.0047100V

JACK BOARD BREAK-OFF PC BOARD

2

31

IC1:A

NE5532

V5:A

{Label}

R44

10M1/2W1%

221K1/2W1%

R16

+315V

A

BC

SW5:A

ULTRA LOW

R34

68.1K1/2W1%

+11VDC OPERATE-13VDC STANDBY

D1

1N91475V PIV

+11VDC OPERATE-13VDC STANDBY

V5:B R69221K1/2W1%

CW1M A

P5

VOLUME

100K1/2W1%

R20

R60

100K1/2W1%

RING_SW

TIP_SW

SLEEVE

TIP

RING

J4

CH 2 NORMALR4

47.5K1/2W1%

C2

.0047100V

RING_SW

TIP_SW

SLEEVE

TIP

RING

J2

CH 1 NORMAL

RING_SW

TIP_SW

SLEEVE

TIP

RING

J1

CH 1 BRIGHTR1

100K1/2W1%

R27

1M

100KR29

1MR28

C36

.001400V

3.32K1/2W1%

R17

6

57

IC1:B

NE5532

22KR64

3.32K1/2W1%

R21CW

P7

1M ABASS

CW

P6

1M ATREBLE

RING_SW

TIP_SW

SLEEVE

TIP

RING

J3

CH 2 BRIGHT

SWITCH BREAK-OFF PC BOARD #2

4. VOLTAGES IN RECTANGLES ARE PEAK TO PEAK SIGNAL VOLTAGES. OTHER VOLTAGES ARE D.C.5. TEST CONDITIONS: VOLUMES @ 10, TONES FLAT, AND SWITCHES @ CENTER OR LEFT.6. CIRCUIT GND LED GND CHASSIS GND .

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Ampeg SVT-VR PREAMP

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ampeg svt-vr schematic binder - bustedgear.com compilation of ampeg svt-vr schematics

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