BBK DV323S, Service Manual

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E
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A B C D E F
广东步步高电子工业有限公司
AV
厂
BBK
更改
数量
更改单号
签
名日
期
设
计
审
核
批
准
第
1
张共
1
张
版次：
标准化
比例
质量
数量
主面板电原理图
D
V
967
: 4967B
-0
板号
1.0
C
401
104
C
401
104
1 2 3
U
901
H
S
0038A
2
K
906
K
903
K
901
K
902
D
901
1N
4148
D
902
1N
4148
KE
Y
3
KE
Y
2
KE
Y
1
S1
S2
LE
D
S
T
LE
D
C
K
LE
D
A
T
VCC
GN
D
C
901
104
IR
R
401
51K
R
405
10K
R
403
10K
K
904
K
905
R
404
10K
T
C
401
220u
F
/16V
IR
OS
C
1
DOUT
2
DI
N
3
CL
K
4
STB
5
K1
6
K2
7
K3
8
VDD
9
NC
13
SEG
1
/K
S1
10
SEG
2
/K
S2
11
SEG
3
/K
S3
12
SEG
4
/K
S4
14
SEG
5
/K
S5
15
GR
6
23
SEG
6
/K
S6
16
SEG
7
/K
S7
17
SEG
8
/K
S8
18
SEG
9
/K
S9
19
S
E
G
10/K
S
10
20
SEG
1
1
21
S
E
G
12/G
R
7
22
VDD
25
GN
D
26
GR
5
24
GR
4
27
GR
3
28
GN
D
29
GR
2
30
GR
1
31
GN
D
32
U
401
P
T
6961
LE
D
A
T
LE
D
C
K
LE
D
S
T
KE
Y
1
KE
Y
2
KE
Y
3
S1 S2 S3 S4 S5 S6
S7 S8 G1 G2 G3 G4 G5 G6 G7
VCC
VCC
VCC
VCC2
T
C
402
100u
F
/16V
S1 S2 S3 S4 S5 S6 S7 S8 G1 G2 G3 G4 G5 G7 G6
2 5 7 10 12 14 15 16
A
11
B
13
C
8
D
4
E
9
F
6
G
3 1
L
E
D
401
LE
D
-S
O
C
K
(1
)
S9
S9
1 2
L
E
D
906
1 2
L
E
D
905
1 2
L
E
D
904
1 2
L
E
D
903
1 2
L
E
D
902
1 2
L
E
D
901
1 2
L
E
D
907
VCC1 GN
D
KE
Y
1
KE
Y
2
KE
Y
3
S1 S2
VCC1
2 3 4 1 5 6 7
X
S
401
XS
0
7
LE
D
R
407
10K
LE
D
LE
D
#
2 1
X
S
403
XS
0
2
LE
D
#
G1
2 1
XS
A
0
1
XS
0
2
LE
D
#
G1
1 2
LE
D
A
0
1
1
副面板
2
副面板
IR
VCC1 GN
D
KE
Y
1
KE
Y
2
KE
Y
3
S1 S2 IR
R
402
0R
R
408
0R
LE
D
2 3 4 1 5 6 8 9 7
X
S
901
XS
0
9
VCC2
Q
402
8050
R
409
10K
R
410
1/4W
VCC
2 3 4 1 5 6 8 9 7
X
S
402
XS
0
9
R
411
1/4W
VCC1
R
412
100R
T
C
403
100u
F
/16V
VCC
V
CC2
VCC2