BBK FSW-108 Service Manual

FSW-108

SERVICE MANUAL

CONTENT

CHAPTER 1(ACOUSTIC)

SPECIFICATIONS-------------------------------------------------------------------3
PRECAUTIONS----------------------------------------------------------------------3
GENERAL CHART-------------------------------------------------------------------4
BILL OF MATERIAL-----------------------------------------------------------------4

CHAPTER 2(ELECTRONIC)

SPECIFICATION---------------------------------------------------------------------6
DISASSEMBLY INSTRUCTION---------------------------------------------------7
CIRCUITRY PRINCIPLE CHART--------------------------------------------------9
PROCESS CHART-------------------------------------------------------------------10
PCB BOARD-------------------------------------------------------------------------11
GENERAL ASSEMBLY ILLUSTRATION----------------------------------------12
BILL OF MATERIAL---------------------------------------------------------------13

Page 1

Chapter 1

(Acoustic)

Page 2

SPECIFICATIONS

Model Number
Cabinet Type

Component

Speaker System
Speaker Terminals

Dimensions
(WxDxH)mm
Weight(net)

PRECAUTIONS

FSW-108
Subwoofer

100 woofer

Bass Reflex
Spring Clip

305x395x470

15.5 kg/pc

There are wires connected speaker with amplifier panel, when disassembling speaker, remember to unplug
the connecting terminals.
When disassembling amplifier panel, please refer to Chapter 2 (Electronic).

Page 3

GENERAL CHART

Bill of Material

Page 4

Chapter 2

(Electronic)

Page 5

Amplifier main set
Output
Distortion factor

DISASSEMBLY INSTRUCTION

Please study the circuitry position well before any disassembly to ensure all
wires locate as original.

Rear panel

- Take away the 11 pcs screw A (fig.1);

- Move off the rear panel;

- Pull down the speaker terminal;

- Move off the rear panel.

A

F

G

F

Fig.1

Page 7

C

B

E

D

E

C

Fig.2

Amplifier board

- Take away the 9 pcs screw B (fig.2);

- Pull down the speaker terminal C;

- Move off the amplifier board.

Front panel

- Take away the 1 pc screw D (fig.2);

- Take away the 7 pcs screw F (fig.1);

- Pull out the knob and disassembly the 2 nuts G under it (fig.1);

- Move off the front panel.

Page 8

CIRCUITRY PRINCIPLE CHART

T6.3AL250

R10

C13

R8

101

D11

R9

LED1

2.2K

12K

R7

2K7

6

SW1

FUSE

T3.15A

C9

2

10K

IN4148

33u/25V

5

U1B

7

RG1

1 2

10u

U1A

1

471

C8

4558

332

3 4

C28223

3

4558

C201

R12

100K

C209

DW208

D210

75K

R235 10K

R223

5V6

4148

BR1T85

C212104

10K

2K2

22K

220K

U4A

U5A

U6A

R233

U5B

R225

C210

R224

R224

4558

U6B

4558

8K2

R230

WR202.AB

8K2

R229

4558

270

R227

4558

4558

0

B20K

10K

R234

684C211 334

WR201

B20K

471

C22

5V6

DW213

4148

D214

4L2

4L1

R16

33K

104

R228

4K7

C213

10K

R226

101

38mH

38mH

R232

SW201

27K

C100

C208

4R1

1M8/0.5W

27K
R23

1

PHASE

10u/16V

R208

R237

2K2

15K

0
8

6

4

1

K

R22

47K

R21
33K

27K

4C1

0.22U/AC275V

(+12V)

+B2

1K

R247

R245

R242

C1815

330K

C1

R21

R21

R13

2K2

R248

10K

10K

Q201

R240

R239

C225

R23810K

10u/16V

220K

R206

10K

Q202

1K

471

A1015

D203

4148

5V6

DW205

IN+

R203

390/3W

9

220K

R205

3

1

K

R217

R2072K2

N

O

6

4

K

R202

R21

1

D204

K

0

IN-

B1

4148
O

1

OFF

1

1

R24

10K

R24

U7A

100/2W

47K

471

LED3

AUT

R24

R24

4558

C219

34V*2

IN+

R204

C207

14V*2 12V

Sw202

390/3W

101

5V6

4148

V
F

3

V
F

2

V

1

R18

R17

AUTOSTANDBY

IN-

R201

100/2W

4558

DW207

D209

F

2.2

2.2

LED2

T6.3AL250

T1AL250

Q9

R251

4558

V

C7

C6

U4B

DW211

4148

C12

C3

C17

C16

5551

3K3

U7B

C21

5

2M7

R24

9

220u/50V

220u/50V

R215

R213

5V6

D212

D5

FS6A10

D3

C18

FS6A10

6800u/63V

C5

C19

6800u/63V

2200U/25V

3

1

2200U/25V

Q1

8050

5V6

Q8

Q7

C2

220u/25V

2SC3858

Q11

Q5

100P

C54

Q18

Q21

C4

U2

Vin

Vin

U3

Q3

A1015

C15

Q2

R53

1K5

2N5551

2N5551

104

104

7912

V

GND

1

3

GND

V

7812

470u/16V

9014

R2

56K

R26

0.22\5W

R4

120\2W

10u/50V

104

104

D2

D4

FS6A10

FS6A10

C10

220u/25V

D1IN400

1

IN400

1

D

7

+B0

IN400

1

D

8

C20

C21

104

104

104

C22

104

D

9

D

6

IN400

1

C23

IN400

1

+B0

D12

IN4001

JK1

R1

22K

DW6

R3

10K

9015

9014

100U/16

+B1

2SC2073

200R59

R67

Q19

2N5401

2K2

R73

33K

2K2

R78

27K

C59

2K2

R75

103

C60

10u/50V

+B1 -B1

-12

+12

JK1

L1

C49

Q6

56k

LED1

220u/16V

2

220u/16V

2

1uH

R25

R5

2N5551

75

R66

75

R74

R250

2K2

C25

C24

R6

0.22\5W

120\2W

10/ 2W

D13

4148

2K2

R55

+B2 -B2

Q14

R77

D17

IN4001

2N5551

33K

R65

R72

200

D16

470

-B1

IN4001

R52

R63

R11

56K

100K

3K9

C55

100u/50V

C11

104

Q10

2SA1494

Q4

2SA940

2N5551

Q15

IN201.L

IN201.R

Page 9

PROCESS CHART

AMPLIFIER

SIGNAL INPUT

POWER

Page 10

GENERAL ASSEMBLY ILLUSTRATION

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1.000

Page 12

PCB BOARD

Page 11