BBK AV-214T Service Manual

AV-214T

SERVICE MANUAL

BOM

Type Code Description Usage

06036 Diode blue light LED

2

090092 Impulse switch

1

Other volume panel material

05144

1

05169

1

05290

1

06004

Diode red light LED

1

08025

Crystal ceramic

1

090109

Touch switch

8

12015

Optical receiver

1

12251

Display screen

1

0202093

Potentiometer rotary

2

Other control panel material

0300185

Electtolytic capacitor25V 4700uF ± 20% Dia16x30
NOVA

2

05034

3

05040

2

05177

1

05191

1

05263

1

05264

1

08025 Crystal ceramic

1

10041 Relay

2

13072 Fuse

2

13076 Fuse

2

Other amplifier material

090175 AC power switch rocket type

1

11410 Transformer

1

12033 Receiver

1

B11055 Remote control

1

Other material

Other
accessories

Amplifier
B60264

Control panel
B60262

Volume
panelB60258

INDEX

Technical parameter
Disassembly instruction
Flow chart
Principle chart
PCB board
General chart
BOM

2
3
7

8

10

11

12

12

1

TECHNICAL PARAMETER

power output :20W 3+6W 2(RAMS)

Impedance of subwoofer : 4 OHM
Impedance of satellite speaker : 4 OHM
Frequency Response
Subwoofer 20Hz-120Hz
Satellite speaker 20Hz-20KHz
Seperation 50dB
System S/N ratio 70dB
Input voltage : AC230V 50Hz

GENERAL CHART

2

11

PCB BOARD

DISASSEMBLY INSTRUCTION

Study the cords layout carefully before any takedown. Set them as original after servicing.

Disassembly the amplifier

-Take down four screw A (fig1)

-Take down three screw B (fig2)

-Take down eight screw C (fig3)

-Take down SIP cable terminal D (fig1)

-Move away the amplifier PCB

A

10

D

Fig 1

C

B

Fig 3

Fig 2

FL Y

0R35

1K

0R33

0R39

47K

FR Y

0R43

47K

1K

1
2

GND

DATA

CLK
REQ

LATCH

+5V

CLK
DATA
REQ
GND

MUTE
PP-IN3
PP-IN2
PP-IN1
PP-OUT

3U04

0R32

4K7

1U07B

4558

-12V

+12V

221

0R82

4K7

1U07A

4558

0R51

15K

0C11

3CN2

6PIN

3CN3

5PINS
3CON4

5PINS

+5V

0C12

221

0R52

15K

6SW1

STANDBY

+5V

1
2
3
4
5
6

1
2
3
4
5

1
2
3
4
5

AT24C01

10U

0E44

-12V

+12V

10U

0E45

3R33
1R/0.25W

2R/0.25W
3R34

3R04
220R

+5V

10K

T3.15

3R05
10K

2
1

1F01

1F02
T3.15

3R03
220R

6CN1

2PIN

T1.6

1F03

1F04
T1.6

3R32

0CON5

7PIN

3CON2

2PIN

3R1715K
3R1615K

3R18

1
2
3
4
5
6
7

560R

FL I

4CN1

1
2
3
4
5
6
7

7PIN

FR I

0D17
4004

0D16
4004

0D01

0D02

2200U/16V

2200U/16V

0E51

3D02
4004

3D01

4004

103
3C03

8CON1

2PIN

1
2

IN5401*4

0E52

3C02
103

1
2

0D03

0D04

400V/103

-30V

AC5V

AC5V

3R12

22K
3R11

22K
3R10

22K
3R09

22K

3U03

1
2
3
4
5
6
7
8
9
10
11
12
13
14 15

CPU

7LED1
LED

7K01

GND
VOL
VOL

±àÂ뿪¹Ø

4R06

12K
22K

4R09

4C09

332

-12V
+12V

4R05

12K
22K

4R10

C110

332

0E48
47U

0C84
104

0Q13

G

In O

7812

0Q12

G

In O

100uF/16V

7912

220U/35V

3R01
150R/2W

3R02

22R

8SW1
10A 125/250VAC8C01

400V/103
8C02

3SW03

3SW02

3SW01

28
27
26
25
24
23
22
21
20
19
18
17
16

7LED2

LED

4C05223

4R11
10K

4C06223

R167
10K

3300uF/25V

0E46

0E47

3300uF/25V

0E50

3E02

3Z01
5V1

8FU1
T1.6

3SW04
AUX

TUNER

VCR

DVD/5.1

4MHZ

4C08
301

4U01A
4558

4C07
301

U111B

4558

100uF/25V

100uF/25V

100uF/16V

0E49

3Q01
7805

In O

W2

50KB

W1
50KB

4C03 223

W2

50KB

W1

50KB

4C04223

0E59

0E58

G

2
1

PRINCIPLE CHART

3U02
28125-VFD

3SW07

3SW08

3R27

3E04
4U7

4C02
22P

4C01
22P

0C64CL104

100U

8CON2

2PIN

4R08

12K
4R13

22K

-12V

4R14

22K

CL104

2R/0.25W
R301

3SW05

BOLBYPRO

DSP

BYPASS

3C04 22P

3x01

3C05
22P

10K

+5V

7CN1

1
2
3
4
5

5PINS

+12V

4E02
47u

4E01
47U

4R0712K

C801

22uF/16V

0C71
CL104

0C68

3E03

3SW06 CEN MODE

3CN1

1
2
3
4
5

5PINS

C801

22uF/16V

+23V

-23V

+12V

-12V

+5V

-30V

AC5V

AC5V

1R33
1K

1R22
1K

0C27
101

0C66
101

4148

123456789

3D034148

3D044148

3D05

14151617181920212223242526

13
12
11
10

9
8
7
6
5
4
3
2
1

3R15

56K

+5V

+5V

3K3

R316

0Q07

1R34
47K

1R36
1K

0E57
22uF/16V

0Q08

1R23
47K

1R25
1K

0E55

22uF/16V

SW I

5V1

0E21

1Z01

47U

100K
1R08

1R09
56K

PT6311

LM1875

1R35
10K

LM1875

1R24
10K

1JK1

ÈýÁª¼ÌµçÆ÷

+23V

1JK2
ÈýÁª¼ÌµçÆ÷

101112131415161718192021222324252627282930313233343536

27
28
29
30
31
32
33
34
35
36
37
38
39

3U01
PT6311

40414243444546474849505152

3R22

104

3C06

560R

3REM1

+5v
G
O

TL1838

1R19
47K

1R15
47K

0CON7

5PINS

0Q10

TDA2030

1R20
10K

1R21
1K

0E54
22uF/16V

0Q11
TDA2030

1R16
10K

1R17
1K

0E53
22uF/16V

0Q09

LM1875

1R30
10K

5CN1

1

1

2

2

3

3

4

4

5

5

5PINS

0D09
4004

8050
1Q10

1Q09
8050

1R32
4R7/1W

0C70

CL104

4R7/1W
1R26

0C65
CL104

FL OUT

FR OUT

SW OUT

SL OUT

SR OUT

CE OUT

CE IN

SL I

SR IN

1R28
1K

0C69
101

100R/1W
1R11

1R18
1K

1R14
1K

0E56

22uF/16V

0C62
101

0C61
101

1R28
47K

1R31

1K

100R/1W
1R12

37

3R14
10K

5 5MIC1
4
2
3
7
8
1

3Q03

8550

3R08
220R

3Q02
8550

3R13

10K

R316
3K3

LED1

ºìÉ«

4R7/1W
1R27

0C67
CL104

CK3-6.35-104A

1R12
4R7/1W

0C82
CL104

4R7/1W
1R13

0C83
CL104

3R07
220R

9

+12V

INH

C101

222

473

0C74

1U

0E60

1R38

0R84

47K

1U04D

56K

1U

0D12

C101

24K

SWT

1K

0C07

0R62

0R68

0E63

4148

1K

0R77

0R76

1M

222

0C17

2221KC101

222

VRF

1K

1K

0C30

821

0R91

330K

0R92

330K

104

0C35

0R100

47K

5K6

0R26

0R27

330K

101

0R25

47K

0R29

47K *6

1K *6

47K *6

1K *6

12345

0CON4

324

U103C

56K

0D11

R747

51K

15K

0R74

22K

0R73

1Q01

9014

104

0C35

222

0C31

10K

0R88

1K

104

0C35

104

0C35

224

0C24

473

1U

0C22

0E17

104

0C19

1U

223

0E17

0C54

104

0C49

5K6

0R87

1K

0R28

0C08

101

4558

1U11B

+12V

0E22

10U

1(y0)

5(y1) 3(y)

4(y3)

2(y2)

1U09

MRARVRFRMLALVL

ALGAR

0R01

0R02

0R03

5PINS

324

1U04B

0R69

1U

0E64

0D10

4148

0R72

10K

0D13

4148

0D14

4148

0D15

4148

0C76

0R71

100R

103

0C75

223

0R78

100R

-12V

0E61

10U

330K

0R32

222

C101

182

103

0C38

0C36

104

0C33

41
42

40

43
44
45
46
47
48

104

49

0C35

50
51

104

52

0C35

53
54
55

224

56

0C24

57

104

58

0C20

59

473

60

0C21

61

104

62

0C18

63

223

64

0C48

656667686970717273747576777879

7K5

680

0C55

0R95

680

0C56

47K

104

0C50

0R94

0C51

47K

14(x1)

15(x2)

11(x3)

FL

MLGMR

0R05

0R06

104

1U11A

0R30

-B

C101

0R97

4558

+B

10(A)

9(B)

0R07

0R96

222

15K

-12V

VCC

7(INH)

0R08

330K

0E23

13(x)

12(x0)

0R04

0R93

15K

VRF

10U

0R70

+5V

0C37683

M62460

0R98

47K

104

6(INH)

324

0E65

4148

0R79

0C39104

0C41104

7K50C52

0E03

10U

4052

VLGVR

0R09

0R10

56K

1U

10K

683

0C40

22K

0R61

1U

0E17

0R89

0R91

0E04

0R11

182

0C43

22K

10U

0R12

5K6

9014

103

0C42

VRF

U105

PRINCIPLE CHART

104

7 (VEE)

0R57

0X01

4MHZ

10U

10U

RT

4053A

0R20

15K

33P

33P

0E14

10U

CTLTST

0E40

1U05B

1R40

0E28

+A

0R63

C101

C101

SW O

14(X)

12(X0)

U106

SWT

0R21

0R22

SR I

3K6

100R

47K47K47K 47K

13(X1)

SW

C101

1Q11

100K

C O

14(X)

12(X0)

CT

0C14

473

222

0E16

47U

1R04

1R92

13(X1)

CE

FLGFR

0R13

0R54

15K

0E18

100U

24
23

252627282930313233343536373839

22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1

80

10U

0E08

4M7

0E07

0E05

100U

0C53

104

SL O

15(Y)

2 (Y0)

1 (Y1)

STSLST

0R14

0R60

M62460

10U

SR O

4(Z)

5 (Z0)

0R15

0E42

1U06B

0R41

0E30

10K

0C44

104

0R64

20K

1R03

220K

0C92

3 (Z1)

SR

INH

0R16

47U

0E10

104

SW I

3K6

6 (INH)

10U

0R63

0C91

11(A)

0R17

10U

100R

0R81

1K

0R65

10K

562

0R50

10(B)

0R18

4558

1M

0E12

150R

+C

9 (C)

0C16

0R80

0C46

0E11

+12V

16(VCC)

-C

221

0E1310U

0R19

10U

10U

47U

104

0C45

FL O

LTFLRT

0R23

221

4558

0E15

15(Y)

2 (Y0)

1 (Y1)

FL

0R24

0C15

100U

0R56

FR O

4(Z)

5 (Z0)

FR

FR

0E38

15K

3 (Z1)

INH

6 (INH)

+12V

0R38

0E31

11(A)

SL I

0E41

1U05A

3K6

10U

+C

10(B)

9 (C)

10U

4K7

0E33

16(VCC)

-C

10U

-12V

4558

0R40

FL O

7 (VEE)

100U

221

0C13

0R34

4K7

4053B

0E37

15K

4K7

1O1

44

7FLIN

8NC

9FLO
10
11

12

0R53

0R41

43 O3

2TRE1

6SELL

SRO13

0E27

0R42

4K7

42 O4

3BASS11
4BASS12
5BASS13

SWO14

0E32

U?

0E43

+12V

1U06A

0R36

40 CE

41 VSS

NC 15

SWIN16

10U

SW O

1(y0)

CEN I

3K6

39 DAT

NC 17

0E20

5(y1) 3(y)

10U

-12V

4558

10U

0CON3

0D19

4148

0C89

38 CLK

37 VDD

SRIN18

NC 19

0E34

10U

SR O

4(y3)

2(y2)

SW OUT

AV002

0E26

12345

0C90

332

35

36 TIM

SL 20

NC 21

0E35

10U

0E36

10U

SL O

C O

100U

13(x)

12(x0)

FL Y

104

33

34

TRE2 32
BASS2131
BASS2230
BASS2329
FL28
NC27
FR26
SELR25
24
23

22

14(x1)

15(x2)

10U

+5V

11(x3)

+B

0E29

6

+12V

0E68

FR Y

4148

10U

FR O

10(A)

10U

6PINS

0D18

LC75347

+B

9(B)

0R102

10K

0R101

100

0E29

VCC

7(INH)

6(INH)

0E24

AV002

22U

0R46

22K

0R45

22K

0R47

22K

0R48

22K
22K

0R49

22K

0R44

4052

1Q20

470U

+12V

0R55

+B

0R108

10K

A1015

+12V

1R05

+C

560R

270R

+12V

0R58

+A

1Z05

0C77

1Z08

47U

5V1

5V1

0E19

220R

104

1Z02

104

0C77

5V1

100U

0E39

1Z03

1Z06

6V2

5V1

0R31

0R59

0E09

47U

-12V

560R

-B

F

470R

-C -12V

E

Fig 4

Disassembly the display screen

-Take down seven screw E on the display screen (fig4)

-Take down SIP cable terminal F (fig4)

-Move away the display screen

AUX

MD/CD

8

VCR

FL IN

FR IN

SLIN

SRIN

5.1IN

DVD

CEN

SW

VCR

VEDIOIN

SW OUT

VEDI OOUT

5

Disassembly the earphone

-Take down two screw G (fig5)

-Move away the earphone panel

FLOW CHART

AMPLIFIER

G

Fig 5

DECODE

POWER

LIST /KEY CONTROL

SIGNAL INPUT FRONT AMPLIFIER

6

7