AV2500 Series II

AV2500 Series II

SERVICE MANUAL

B&K COMPONENTS, LTD.

2100 Old Union Road

Buffalo, New York 14227-2725

U.S.A.

Schematics

Schematics

B&K COMPONENTS, LTD.

2100 Old Union Road

Buffalo, New York 14227-2725

U.S.A.

10K

R79

100uF 100V

C51

100uF 100V

C50

V-

V+

D22

1N4002

D21

1N4002

8A SB

F2

8A SB

F1

R98

1K

R99

1K

R102

1K

R101

1K

R100

1K

C8

100uF 25V

C16

100uF 25V

C25

100uF 25V

C34

100uF 25V

C49

100uF 25V

10uF NP

C36

10uF NP

C27

10uF NP

C18

10uF NP

C10

1N4148

D15

C41

10000uF 63V

C47

10000uF 63V

+15V

-15V

D20

1N4002

D8

1N4002

100uF 25V

C40

C45

33nF

100uF 25V

C46

C39

33nF

R93

3.01K

R84

3.01K

TIP31C

Q4

R82

3.01K

Q8

TIP32C

R94

3.01K

1N965B

D13

1N965B

D14

CON6

CTRL

10K

R65

D6

1N4148

1K

R75

2N5551

Q3

1N965B

D9

33nF

C35

SW1

2

1

6

5

4

3

JUMPER

R66

U2

LM3886

V IN-

9

V IN+

10

OUT

3

V
+

5

V
+

1

G
N
D

7

V
-

4

M
U
T
E

8

C2

.12uF

100uF 100V

C3

100uF 100V

C6

C5

.12uF

V+

V-

V-

V+

R7

10K

D1

1N4148

1N4148

D2

R22

1K

R21

24.3K

R8

475

Q1

2N5401

R24

24.3K

D3

1N4148

D5

1N4148

R29

1K

Q2

2N5551

R30

133

1N4148

D4

R28

OPEN

OUT/IN

CON5

INPUTS

CON3

R19

33.2K

R17

1K

R9

50K

C
C
W

W

C
W

1.5K

R4

33.2K

R10

2.26K

R12

2.26K

R11

R37

2.26K

R38

2.26K

R36

33.2K

R27

1.5K

50K

R35

C
W

W

C
C
W

1K

R41

33.2K

R42

V-

V+

.12uF

C14

C15

100uF 100V

C12

100uF 100V

.12uF

C11

LM3886

U4

M
U
T
E

8

V
-

4

G
N
D

7

V
+

1

V
+

5

OUT

3

V IN+

10

V IN-

9

R54

2.26K

R55

2.26K

R53

33.2K

R45

1.5K

50K

R52

C
W

W

C
C
W

1K

R58

33.2K

R59

V-

V+

.12uF

C22

C23

100uF 100V

C21

100uF 100V

.12uF

C20

LM3886

U6

M
U
T
E

8

V
-

4

G
N
D

7

V
+

1

V
+

5

OUT

3

V IN+

10

V IN-

9

R73

2.26K

R74

2.26K

R72

33.2K

R64

1.5K

50K

R71

C
W

W

C
C
W

1K

R76

33.2K

R81

V-

V+

.12uF

C31

C32

100uF 100V

C29

100uF 100V

.12uF

C28

LM3886

U8

M
U
T
E

8

V
-

4

G
N
D

7

V
+

1

V
+

5

OUT

3

V IN+

10

V IN-

9

R91

2.26K

R92

2.26K

R90

33.2K

R85

1.5K

50K

R88

C
W

W

C
C
W

1K

R95

33.2K

R97

V-

V+

.12uF

C43

C44

100uF 100V

C38

100uF 100V

.12uF

C37

LM3886

U10

M
U
T
E

8

V
-

4

G
N
D

7

V
+

1

V
+

5

OUT

3

V IN+

10

V IN-

9

CON1

2

4

6

8

10

12

1

3

5

7

9

11

CON8

11

9

7

5

3

1

12

10

8

6

4

2

CON7

11

9

7

5

3

1

12

10

8

6

4

2

CON4

11

9

7

5

3

1

12

10

8

6

4

2

CON2

11

9

7

5

3

1

12

10

8

6

4

2

10uF NP

C1

LF353

U1:B

7

+

5

-

6

R2

100

R5

221

221

R25

100

R20

LF353

U3:B

-

6

+

5

7

-15V

+15V

C13

33nF

R23

100

LF353

U3:A

1

8

4

+

3

-

2

R26

221

R32

100K

R31

OPEN

OPEN

R13

100K

R14

221

R6

LF353

U1:A

-

2

+

3

4

8

1

100

R3

33nF

C7

+15V

-15V

221

R43

100

R39

LF353

U5:B

-

6

+

5

7

-15V

+15V

C19

33nF

R40

100

LF353

U5:A

1

8

4

+

3

-

2

R44

221

R47

100K

R46

OPEN

-15V

+15V

C26

33nF

R50

100

LF353

U7:A

1

8

4

+

3

-

2

R56

221

R61

100K

R60

OPEN

221

R57

OPEN

R62

100K

R63

100

R51

LF353

U7:B

-

6

+

5

7

-15V

+15V

C33

33nF

R67

100

LF353

U9:A

1

8

4

+

3

-

2

R69

221

R78

100K

R77

OPEN

221

R70

10K

R68

LF353

U9:B

-

6

+

5

7

10K

R18

10K

R1

R16

100K

R15

OPEN

OPEN

R33

100K

R34

100K

R49

OPEN

R48

TIP32C

Q5

D11

1N4148

D12

1N4148

R83

5.62

10K

R87

V+

R89

24.3K

2N5551

Q7

1N4148

D19

1N4148

D18

133

R96

TIP31C

Q6

1N965B

D16

D10

1N4002

D7

1N4002

D17

1N4002

2.2K 5W

R86

10000uF 63V

C48

10000uF 63V

C42

33nF

C4

C9

33nF

C17

33nF

C24

33nF

C30

33nF

40A

BR1

+

-

CON15

3

1

4

2

100K

R80

.1 5W

R103

R104

.1 5W

.1 5W

R105

.1 5W

R106

.1 5W

R107

7/7/97

AV2500 OUTPUT, INPUT & POWER SUPPLY

C

P/N 10854/10855/10856

10854C00.s01

R BUS

>

>

AC

SEC IN

4.7K 2W IF V+ >60V

*

*

CTRL IN

CTRL OUT

ENABLE

CTRL

ROT

LOT

L+R

IN 5

IN 4

IN 3

IN 2

IN 1

ESM

1

1

10/23/94

5mA

L BUS

L OUT

R OUT

L+R OUT

L+R BUS

L BUS

R BUS

CH 1

R BUS

L BUS

R BUS

R BUS

CH 5

CH 4

CH 2

CH 3

L BUS

R BUS

LEVEL

NO LEVEL

LEVEL

NO LEVEL

LEVEL

NO LEVEL

LEVEL

NO LEVEL

LEVEL

NO LEVEL

L+R BUS

L+R BUS

L+R BUS

L+R BUS

L+R BUS

L BUS *

L BUS *

OUT 4

OUT 3

OUT 2

OUT 1

OUT 5

R OUT

L+R

L OUT

IN1

IN2

IN5

IN4

IN3

L BUS

L+R BUS

R BUS

CH 3

CH 4

CH 5

L BUS*

+LBUS

-LBUS

A

B

C

D

E

F

G

H

6

5

4

3

2

1

H

G

F

E

D

C

B

A

1

2

3

4

5

6

D

Rev

Number

Title

Size

Date

Filename

Drawn by

of

Sheet

YEL

GRY/WHT

RED

GRN

VIO

BLU

BRN

ORN

GRY/BLK

WHT

BLK

100V

120V

120V

0

0

43V

27V

43V

27V

10866.S01

RED

APPROX. MAX DIMENSIONS OF TOROIDAL TRANSFORMER:

THE SECONDARY VOLTAGES LISTED ARE FOR FULL LOAD CONDITIONS.

B&K COMPONENTS LTD.

ESM

1

1

-

LEAD LENGTH: 9"

THE ABOVE PHYSICAL DIMENSIONS ARE MAXIMUM DIMENSIONS.

1/18/95

* OPTIONAL

HEIGHT: 2.65"

APPROX. MAX MOUNTING DIM. 4.5"

300VA MULTI SEC/PRI TOROID

300VA MULTI SEC/PRI

B&K P\N 10866

7/22/97

A

B

C

D

4

3

2

1

D

C

B

A

1

2

3

4

of

Sheet

Drawn by

Rev

Number

Title

Size

A

Date
Filename

Printed Circuit Boards

Printed Circuit Boards

PCB’s

PCB’s

B&K COMPONENTS, LTD.

2100 Old Union Road

Buffalo, New York 14227-2725

U.S.A.

Bill of Materials

Bill of Materials

BOM’s

BOM’s

B&K COMPONENTS, LTD.

2100 Old Union Road

Buffalo, New York 14227-2725

U.S.A.

File: D:\B&K_Rob\Service Booklets\Bom\10854C.BOM 7/11/97, 11:58:20AM

Bill of Material for P/N 10854
AV2500 MAIN BOARD/POWER SUPPLY/INPUT/VOLUME CONTROL BOARDS

Comment Pattern Quantity Components
------------------------------------------------------------------------------

.1 5W RES5WAXIAL 5 R103, R104, R105, R106, R107

PCB.SPADE FASTON.25 14 AC1, AC2, GND1, GND2, GND3,

GND4,OUT1, OUT2, OUT3, OUT4,
OUT5, GND5, NC1, NC2

12HEADER 12PINHEAD 5 CON1, CON2, CON4, CON7, CON8

2PDTPUSH 2PDT.24 1 SW1

4HEADER 4PINHEAD 1 CON15

5 PIN MOLEX5 1 CON12

400V 40A BRIDGE.HP 1 BR1

33nF RAD200 23 C2, C4, C5, C7, C9, C11, C13,
C14, C17, C19, C20, C22, C24,
C26, C28, C30, C31, C33, C35,
C37, C39, C43, C45

1N4148 D0-35 18 D1, D2, D3, D4, D5, D6, D7, D8,
D10, D11, D12, D15, D17, D18,
D19, D20, D21, D22

FUSE 8A SB FUSE.3AG 2 F1, F2

JUMPER JUMP.5 2 J11, J12

LM3886 LM3886 5 U2, U4, U6, U8, U10

MOLEX CONN12 2 CON9, CON10

TIP-31C TO220 2 Q4, Q6

2N5551 TO92 3 Q2, Q3, Q7

OPEN JUMP.5 1 J14

TIP-32C TO220 2 Q5, Q8

2N5401 TO92 1 Q1

10uF NP CAP200RP 5 C1, C10, C18, C27, C36

100uF 100V POL CAP200RP 12 C3, C6, C12, C15, C21, C23,
C29, C32, C38, C44, C50, C51

100uF 25V POL CAP200RP 7 C8, C16, C25, C34, C40,
C46, C49,

10000uF 50V CAPPOWB.PCB 4 C41, C42, C47, C48

50K POT VOLSS.2 5 R9, R35, R52, R71, R88

RCA.X1 RCAX1 1 CON6

RCA.X2 RCA.X2 2 CON3, CON5

10K RES 7 R1, R7, R18, R65, R68,
R79, R87

1K RES 13 R17, R22, R29, R41, R58, R75,
R76, R95, R98, R99, R100, R101,
R102

.1 5W RES 5 R103, R104, R105, R106, R107

OPEN RES 10 R13, R15, R28, R31, R33,
R46, R48, R60, R62, R77

100K RES 10 R14, R16, R32, R34, R47,
R49, R61, R63, R78, R80

100 RES 9 R2, R3, R20, R23, R39,
R40, R50, R51, R67

24.3K RES 3 R21, R24, R89

221 RES 10 R5, R6, R25, R26, R43,
R44, R56, R57, R69, R70

Page: 1

File: D:\B&K_Rob\Service Booklets\Bom\10854C.BOM 7/11/97, 11:58:20AM

133 RES 2 R30, R96

1.5K RES 5 R4, R27, R45, R64, R85

2.26K RES 10 R11, R12, R37, R38, R54, R55,
R73, R74, R91, R92

JUMPER RES 1 R66

475 RES 1 R8

3.01K RES 4 R82, R84, R93, R94

5.62 RES 1 R83

2.2K 5W R5W.R 1 R86

33.2K RES400 10 R10, R19, R36, R42, R53, R59,

R72, R81, R90, R97

LF353 DIP8 5 U1, U3, U5, U7, U9

1N965B D0-35 4 D9, D13, D14, D16

Page: 2