BBK FSW-108 User manual

FSW-108
SERVICE MANUAL

CONTENT
SPECIFICATIONS-------------------------------------------------------------------3
PRECAUTIONS----------------------------------------------------------------------3
GENERAL CHART-------------------------------------------------------------------4
BILL OF MATERIAL-----------------------------------------------------------------4
Page 1
SPECIFICATION---------------------------------------------------------------------6
DISASSEMBLY INSTRUCTION---------------------------------------------------7
CIRCUITRY PRINCIPLE CHART--------------------------------------------------9
PROCESS CHART-------------------------------------------------------------------10
PCB BOARD-------------------------------------------------------------------------11
GENERAL ASSEMBLY ILLUSTRATION----------------------------------------12
BILL OF MATERIAL---------------------------------------------------------------13
CHAPTER 1(ACOUSTIC)
CHAPTER 2(ELECTRONIC)

Chapter 1
(Acoustic)
Page 2

SPECIFICATIONS
Model Number
Cabinet Type
Component
Speaker System
Speaker Terminals
Dimensions
(WxDxH)mm
Weight(net)
FSW-108
Subwoofer
100woofer
Bass Reflex
Spring Clip
305x395x470
15.5 kg/pc
Page 3
PRECAUTIONS
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 4
GENERAL CHART
Bill of Material

Page 5
Chapter 2
(Electronic)

Amplifier main set
Output
Distortion factor

Page 7
DISASSEMBLY INSTRUCTION
Please study the circuitry position well before any disassembly to ensure all
wires locate as original.
A
F
F
G
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.
Fig.1

Page 8
E
E
C
C
B
D
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.
Fig.2

Page 9
4148
LED2
D204 4148
R251
3K3
R248
10K
R 2 4 92
M 7
IN- IN- IN+ IN+
C 2 1 5
1 0 0 U / 1 6 V
Q202
A1015
Q201 C1815
D214
4148
D210
R 2 1 63
3 KR
2 1 84
7 KR
2 2 01
K
R23810K
R203 390/3W R204
390/3W
R202
100/2W
R 2 3 1
2 7 K
R 2 1 42
7 K
R208
2K2
R206 220K R239
330K
R232
33K
R225
2K2
R226
27K
R227
270 R230
8K2
R233
10K
R224
22K
R201
100/2W
R223 75K
R229
8K2
R 2 4 31
K
R235 10K
R234
10K
U5B
4558
U4A
4558 U5A
4558 U6B
4558
U6A
4558
DW213
5V6
DW208
5V6
C 2 2 04
7 1
C208
101
C209
332
C225
471
C210
684C211 334
C213
104
C212104
IN201.L IN201.R
C207 101
C219
471
DW211
5V6
DW207
5V6
U4B
4558
R205220K R2072K2
R213 27K
R 2 1 9
1 K
R217
47K
R215
33K
D212
4148 D209 4148
WR201 B20K
WR202.AB
B20K
C201
471
SW201
PHASE
U7A
4558
D203 4148
R 2 4 41
0R
2 4 61
K
R242
10K
R247
1K
R240
1K
R245
10K
Sw202
U7B
4558
DW205
5V6
R 2 4 11
0 K
A U T O
O F FO
N
R52 56K
JK1
C11 104
R65 200
R72 470
R77 33K
R63 100K
R66
75
R74
75
R67
200R59
2K2
R73
2K2
R78 56k
R75
2K2
C59 103
Q21
2N5551 Q18
2N5551
Q15
2N5551
Q19 2N5401
C54
100P
R53 1K5
R55
2K2
Q6
2N5551
D17 IN4001 D16
IN4001
Q14
2N5551
Q5
2SC2073
R4
120\2W
R5
120\2W
D13
4148
Q4
2SA940 Q10
2SA1494
L1
1uH
R6
10/ 2W
Q11
2SC3858
R26
0.22\5W
R25
0.22\5W
C49
10u/50V
C55
100u/50V
C60
10u/50V
C6
220u/50V C7
220u/50V
D 6
I N 4 0 0 1
D 7I
N 4 0 0 1
D 9
I N 4 0 0 1D
8I
N 4 0 0 1
D5
FS6A10
D2
FS6A10 D3
FS6A10
D4
FS6A10
D 1 I N 4 0 0 1
C19
6800u/63V C18
6800u/63V
C4 104
C5 104
C3 104
C12 104
C110u/16V
+B2
C100
10u/16V
R1
22K
R2 56K
R3 10K
Q2
9014
Q7
9014
Q1 8050
Q8 9015
Q3
A1015
C10
220u/25V
+B1 -B1
+B0
C23
2200U/25V C20
2200U/25V
C16 104
C17 104
V i n
1
GND 3
+ 1 2 V
2
U3
7812
V i n
3
GND
1
- 1 2 V
2
U2
7912
C24
220u/16V C25
220u/16V
+B2 -B2
C2
220u/25V
C15
470u/16V
DW6
5V6
+B0
JK1 C22
104 C21
104
LED1
RG1
3 2
1U1A
4558
5 6
7U1B
4558 C9
10u
R11 3K9
+B1
-B1
AUTOSTANDBY
14V*2 12V 34V*2
D12 IN4001
R8
12K
R9
2K7
R12
100K
R10
2.2K D11
IN4148
Q9 5551
R13 2K2
(+12V)
R250 2K2
LED1
R7
10K
C8
33u/25V
R224
220K
C13
101
R228 10K
R237 15K
C28223
R16 4K7
LED3
FUSE T3.15A 1 2
3 4
SW1 BR1T85
4L2 38mH
4L1
38mH
4C1
0.22U/AC275V
4R1
1M8/0.5W
R17 2.2 R18
2.2 F
1
T 1 A L 2 5 0 VF
2
T 6 . 3 A L 2 5 0 VF
3
T 6 . 3 A L 2 5 0 V
B1
CIRCUITRY PRINCIPLE CHART

Page 10
AMPLIFIER
POWER
PROCESS CHART
SIGNAL INPUT

Page 12
øÃ∂» 1.000
GENERALASSEMBLY ILLUSTRATION

Page 11
PCB BOARD