BBK AV212T User manual

AV212T DIGITAL SURROUND
HOME THEATRE AMPLIFIER
SERVICE MANUAL
SM 001/03

CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT
REMOVE COVER
(OR BACK)NO USER - SERVICEABLE
PARTS INSIDE
The lightning flash with arrowhead
equilateral triangle,
presence of uninsulated dangerous voltage within
the product's enclosure that may be of sufficient
magnitude to constitute a risk of electric shock to
persons.
symbol, with an
is intended to alert you to the
The exclamation point within an
important
operating and maintenance (servicing) instructions
in the literature accompanying the appliance.
equilateral triangle
is intended to alert you to the presence of
220V AC,50/60Hz.Voltages :

Power AC220-240V/50Hz
Max Power Consumption 300W
Out impedance
Recommended impedance 4-8ohm
The Separation Degree of All Channel 45dB
Input Sensitivity/Impedance
Input Sensitivity/Impedance
Radio
Microphone
Line in
All channel
Frequency Respondence
All channel
Signal-to-Noise Ratio
All channel
Distortion of Total Harmonic
Output Power(RMS)
All five channel state
Standard Stereo:(20-20KHz, 0.1%THD 6ohm) 100W+100W
80W 5
0.1% 1kHz 10W 8ohm
20Hz-20kHz +0.5,-0.5dB
85dB
0.707v/51kohm
0.707v/51kohm
0.5mv-100mv/2kohm
Tuning Range
Tuning Step
FM
FM
AM
AM
87.5-108.0MHz
50KHz
530-1710Hz
9Hz/10Hz
AV212T HOME THEATRE AMPLIFIER
SPECIFICATIONS

component name specification package
1carbon film
resistor 47 1/4W FTP =10mm R45
2carbon film
resistor 100 1/4W FTP =10mm R48
3carbon film
resistor 470 1/4W FTP =10mm
R1 R2 R3 R4 R5 R6 R7 R8
R9 R10 R11 R12 R13 R14 R76
R77 R79 R100 R112 R115
4carbon film
resistor 680 1/4W FTP =10mm R29
5carbon film
resistor 1K 1/4W FTP=10mm R81 R85 R88 R93
6carbon film
resistor 2.2K 1/4W FTP=10mm R46 R47
7carbon film
resistor 5.6K 1/4W FTP=10mm R80 R84 R87 R111
8carbon film
resistor 10K 1/4W FTP=10mm R37 R39 R42 R57 R58 R65 R66
R70 R71 R68 R69 R117 R54
9carbon film
resistor 22K 1/4W FTP=10mm R34 R35 R36 R38 R40 R41 R102
R103 R104 R105 R106 R107
10 carbon film
resistor 47K 1/4W FTP=10mm
R15 R16 R17 R18 R19 R20 R21
R22 R23 R24 R25 R26 R27
R28 R43 R44 R49 R50 R51 R52
R53 R54 R72 R73 R74 R75
R78 R82 R83 R86 R89 R90 R91
R92 R94 R95 R96 R99 R110
R116 R114 R118
11 carbon film
resistor 47K 1/4W R74 R95 R96
12 carbon film
resistor 56K 1/4W FTP=10mm R97 R98
13 carbon film
resistor 100K 1/4W FTP=10mm R30 R31 R32 R33 R56 R59 R60
R61 R62 R63 R64 R67 R109
14 jumper wire 5mm J15 J45 J46 J52 J53 J56 J57 J59
J62 J65 J72 J80
15 jumper wire 7.5mm
J6 J12 J16 J17 J18 J22 J23 J27
J30 J32 J33 J37 J38 J44 J47
J48 J54 J55 J58 J67 J68 J69 J74
16 jumper wire 10mm
J2 J11 J13 J14 J20 J24 J25 J26
J28 J31 J35 J36 J37 J42 J49
J50 J51 J55 J61 J63 J66 J71 J78
17 jumper wire 12mm J1 J3 J4 J8 J9 J19 J20 J21 J29
J34 J39 J40 J43
18 jumper wire 15mm J10 J41 J60
19 jumper wire 17.5mm J7
20 elect.cap. 1UF/50V FTP=2.5mm C46 C48
21 elect.cap. 4.7UF/50V FTP=2.5mm C47 C49
22 elect.cap. 10UF/50V FTP=2.5mm
C1 C2 C6 C7 C10 C11 C12
C13 C14 C15 C16 C28 C29 C30
C31 C32 C33 C34 C39 C40
C54 C58 C59 C60 C61 C64 C65
description
no. quantity/
unit components position no. additional explaination
AV212T input board

23 elect.cap. 22UF/16V FTP=2.5mm C57
24 elect.cap. 47UF/16V FTP=2.5mm C3 C17 C21 C37
25 terylene cap. 103J/50V FTP=5mm C19 C25 C55
26 terylene cap. 153J/50V FTP=5mm C20 C26
27 terylene cap. 223J/50V FTP=5mm C58
28 terylene cap. 104J/50V FTP2.5mm C18 C23 C24 C38 C50 C53 C62
29 terylene cap. 334J/50V FTP=5mm C22 C27
30 ceramic cap. 101/50V FTP2.5mm C4 C5 C8 C9 C35 C36 C41
C42 C43 C44 C45 C66 C67
31 ceramic cap. 33P/50V FTP2.5mm C51 C52
35 inductance 1HFTP=10mm L1
36 integrate circuit HCF4051B F DIP16 IC1 IC7 IC11
37 integrate circuit HCF4053B F DIP16 IC2
38 integrate circuit TL084 DIP14 IC3 IC5
39 integrate circuit JRC4558 DIP8 IC4 IC6
40 integrate circuit HA17324 DIP14 IC10
41 integrate circuit HA17358 DIP8 IC12
42 integrate circuit 24C02 DIP8 IC9
43 integrate circuit AT89S52 DIP40 IC13
44 integrate circuit M62446AFP SMD IC8
45 transistor 9014 Q1
46 transistor 9015 Q2 Q4
47 transistor 9013 Q3
48 diode IN4148 D6 D7 D8 D9 D10
49 zenzer diode 7.5V 1/2W ZD1 ZD2
50 zenzer diode 5.1V 1/2W ZD3
51 ne ilsbe d 2P 2. 5space CN7B
52 ne ilsbe d 5P 2. 5space CN13B
53 ne ilsbe d 8P 2. 5space CN12B
54 AV sole-core
outlet AV4-8.4- 13 white-red
55 AV sole-core
outlet AV6-8.4- 13B yellow-white-red
56 DIP40 IC13
57 volta ic wire 20# 60mm with
auris
58 lined route 2P2. 5 space
360mm CN10B1
59 flat ribbon wire 3P2. 5 space
mm CN5A,CN1
60 flat ribbon wire 4P2. 5space
mm CN10B
61 flat ribbon wire 4P2. 5space
mm CN3A
62 flat ribbon wire 5P2. 5space
mm CN9A
63 flat ribbon wire 5P2. 5space
mm CN10A
64 flat ribbon wire 8P2. 5space
160mm CN7,CN10A1

component name specification package
1carbon film
resistor 10 1/4W FTP =10mm R12
2carbon film
resistor 100 1/4W FTP =10mm R1 R2
3carbon film
resistor 220 1/4W FTP =10mm R10 R11
4carbon film
resistor 2.2K 1/4W FTP=10mm R19
5carbon film
resistor 10K 1/4W FTP=10mm R4 R5 R6 R7 R8 R9 R25
7elect.cap. 47U/16V FTP=2.5mm C1
8diode IN4148 FTP=10mm D2 D3 D4 D5 LED
9zenzer diode 7V5 1/2W FTP=10mm D1
10 integrate circuit PT6311 52 feet U2
11 remote c ontrol
receiver HE3380L U1
12 blue LED 3.
13 jumper wire FTP=10mm J1 J9 J10 J11 J12 J13 J14 J15
14 jumper wire FTP=11mm J2 J3 J4 J5 J6 J7 J8
15 jumper wire FTP=15mm J17
16 vacuum display
screen VFD VFD HJ3005A W
17 touch ke y-pre ss KFC- A07-02 12mm*12mm*7mm DELAY ECHO AC-3 DVD VCD
CK AUX MIC1 MIC2 SUR CEN
18 ne ilsbe d 2P2. 5space inser t
crookedly
19 flat ribbon wire 8P2. 5space
180mm CN12A
20 flat ribbon wire 4P2. 5space
200mm CN13A
21 flat ribbon wire 3P2. 5space
100mm CN15A CN16A
22 double side rubber
cushion
10MM*10MM*5M
Mblack
AV212T display board
no. description quantity/
unit components position no. additional explaination

component name specification package
1carbon film
resistor 10 1/4W FTP =10mm R11
2carbon film
resistor 68 1/4W FTP =10mm R23
3carbon film
resistor 470 1/4W FTP =10mm R22 R32 R33 R37
4carbon film
resistor 1K 1/4W FTP=10mm R48
5carbon film
resistor 1.5K 1/4W FTP=10mm R18 R20 R35
6carbon film
resistor 1.8K 1/4W FTP=10mm R17
7carbon film
resistor 2.2K 1/4W FTP=10mm R40
8carbon film
resistor 4.7K 1/4W FTP=10mm R24 R34
9carbon film
resistor 5.6K 1/4W FTP =10mm R12 R13
10 carbon film
resistor 10K 1/4W FTP=10mm
R5 R6 R7 R8 R9 R10 R14 R15
R16 R19 R21 R26 R27 R39
R44 R50 R51
11 carbon film
resistor 15K 1/4W FTP=10mm R4 R38 R47
12 carbon film
resistor 22K 1/4W FTP=10mm R3 R28 R29 R30 R31 R36 R41
R42 R43 R45 R46 R49 R53
13 carbon film
resistor 47K 1/4W FTP=10mm R1 R25
14 carbon film
resistor 100K 1/4W FTP=10mm R2 R52
15 elect. cap. 2.2UF/50V FTP =2.5mm C12 C17 C18 C25 C26 C27 C30
C31 C33 C43 C44 C45
16 elect. cap. 4.7UF/50V FTP =2.5mm C29 C37
17 elect. cap. 10UF/50V FTP =2.5mm C32 C40
18 elect. cap. 22UF/16V FTP =2.5mm C20
19 elect. cap. 47UF/16V FTP =2.5mm C4 C10 C19 C34 C38
20 ceramic cap. 561/50V FTP=2.5mm C5 C8
21 ceramic cap. 101/50V FTP=2.5mm C28 C39
22 ceramic cap. 22P/50V FTP =2.5mm C36 C41
23 ceramic cap. 47P50V FTP=2.5mm C35 C42
24 CBB cap. 332J/50V FTP=3.5mm C1
25 CBB cap. 823J50V FTP=3.5mm C6 C7
26 CBB cap. 272J/50V FTP=3.5mm C21 C22
27 CBB cap. 562J/50V FTP=3.5mm C11
28 CBB cap. 104J50V FTP=3.5mm C2 C3 C9 C13 C14 C15 C16
C23 C24
29 integrate circuit PT2399 DIP16 IC1
30 integrate circuit PT2313BL SMD28 IC2
31 integrate circuit JRC4558 DIP8 IC3 IC5
AV212T OK board
no. description quantity/
unit components position no. additional explaination

32 integrate circuit HCF4052B E DIP16 IC4
33 transistor S9014 Q1 Q2 Q3
34 zenzer diode 5V1 1/2W FTP=8mm D1
35 mic socket high shape and nine
feet CK3-6.35-206 MIC1 MIC2
36 ne ilsbe d 8P 2. 5 space CN118
37 ne ilsbe d 5P 2. 5 space CN148
38 ne ilsbe d 3P 2. 5space CN1B
39 ne ilsbe d 3P 2. 5space insert
crookedly CN15B CN16B
40 jumper wire 15mm J8
41 jumper wire 10mm J6 J10
42 jumper wire 7.5mm J2 J9
43 jumper wire 5mm J1 J3 J4 J5 J7 J11 J12 J13 J14
44 AV sole-core
outlet AV-8.4-8 SWA1
45 rotary encoder
EC162102E1B-
HA1-24P 5-
KQ200B120-N
2VOL1 VOL2
46 switch
47 flat ribbon wire 2P 2. 5 space
100mm CN7A

component name specification package
1high voltage AC
cap. 0.1 f/275V Ftp=15mm CK1,CK2
2high voltage ca p. 103/1KV Ftp=10mm CK4,CK3
3flat ribbon wire 2P2. 5space 150mm JK7
4ne ilsbe d 3P 3. 96VH JK2,JK3,JK5
5relay JQX-14F K1
6inductance 16 filter L1
7power supply
switch SW-3-T20 SW1
8jumper wire 22mm F2
AV212T power supply board
no. description quantity/
unit components position no. additional explaination

component name specification package
1carbon film
resistor 4.7 1/4W FTP =10mm R805 R806
2carbon film
resistor 10 1/4W FTP =10mm R30 R40 R58
3carbon film
resistor 100 1/4W FTP =10mm R24 R32 R36 R44 R51 R60 R71
R72 R87 R88 R73 R74 R78
4carbon film
resistor 220 1/4W FTP =10mm R31 R41 R59
5carbon film
resistor 390 1/4W FTP =10mm R85 R89
6carbon film
resistor 560 1/4W FTP =10mm R22
7carbon film
resistor 750 1/4W FTP =10mm R107 R109
8carbon film
resistor 1K1/4W FTP =10mm
9carbon film
resistor 1.2K 1/4W FTP=10mm R34 R38 R62 R70 R86
10 carbon film
resistor 1.8K 1/4W FTP=10mm R801
11 carbon film
resistor 2.2K 1/4W FTP=10mm
R18 R20 R21 R23 R35 R39
R63 R66 R67 R75 R80 R90
R91 R104 R108
12 carbon film
resistor 3.3k 1/4W R33 R37 R61
13 carbon film
resistor 3.9K 1/4W FTP=10mm R26 R46 R52
14 carbon film
resistor 4.7K 1/4W FTP=10mm R29 R42 R50 R84 R103
15 carbon film
resistor 10K 1/4W FTP=10mm R77 R82
16 carbon film
resistor 22K 1/4W FTP =10mm R43 R57 R64 R83 R106
17 carbon film
resistor 27K 1/4W FTP=10mm R27 R47 R54
18 carbon film
resistor 33K 1/4W FTP=10mm R28 R49 R56 R68 R81 R92
19 carbon film
resistor 47K 1/4W FTP =10mm R48 R55 R105 R802
20 carbon film
resistor 56K 1/4W FTP=10mm R6 R7 R8 R9 R10
21 carbon film
resistor 1M 1/4W FTP=10mm R11
22 carbon film
resistor 220 1/2W FTP =12.5mm R69 R85
23 carbon film
resistor
10 FTP=18mm H=7.5mm R4 R5
24 carbon film
resistor
10 FTP=15mm R1 R2 R3
AV212T amplifier board
no. description quantity/
unit components position no. additional explaination