Velas VDM-MB434TV, Руководство по обслуживанию

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20
SCHEMATIC DIAGRAM
BLUE-TOOTH BOARD
1
2
3
4
5
6
78
A B C D
8
7
6
5
4
3
2
1
D C B A
T
itle
Nu
m
b
er
Revi
si
o
n
Size
A3
D
ate
:
1-Fe
b-2008
She
et of
F
il
e:
C
:\Do
cum
e
nt
s a
n
d S
et
ti
ngs
\e
\
桌面
\S
E
-B
T
\31
2-
30
00
0-
7
8
9S
.dd
b
Dr
aw
n
By
:
SPK_ L-
1
SPK_ L+
2
SPK_ R-
3
SPK_ R+
4
GND
5
MIC_L+
6
MIC_L-
7
MIC_R+
8
MIC_R-
9
1.8V
10
PCM _IN
11
PCM _SY NC
12
PC M_OUT
14
AI00
15
AI01
16
AI03
17
GN
D
18
PCM _C LK
13
3.3V
19
US
B_
D+
20
US
B_
D-
21
RT
S
22
CT
S
23
TX
24
RX
25
RES
ET
26
GN
D
27
PIO4
28
PIO5
29
PIO6
30
PIO7
31
MOSI
32
CSB
33
CLK
34
MIS O
35
PIO1 0
36
PIO1 1
37
PIO3
38
PIO2
39
PIO1
40
PIO0
41
PIO8
42
PIO9
43
GND
44
GN
D
45
AN
T
46
GN
D
47
U4 GL
-8
A
C3
5
10u
R2
1
150K
-1%
R2
0
220K
-1%
3P
3V
1P
8V
C2
1
220n 3P
3V R1
9
180K
3P
3V
D1 NC
OUT1
1
-IN1
2
+IN1
3
VEE
4
+IN2
5
-IN2
6
OUT2
7
VCC
8
U2
B
A
4558
R1
2
12K R1
4
12K R1
5
12K R1
7
12K
C1
3
2u2 C1
5
2u2 C1
6
2u2 C1
8
2u2
R5 22K
R8 22K
5V
C7 10u/25V C9 10u/25V
C6 150P
C1
0
150P
R9 22K
R1
0
22K
R1
1
22K
R1
8
22K
C2
0
10u
R1
3
1K
R1
6
2K
2
L
_
OUT
R_
OUT
BL
_
RX
D
BL
_
T
X
D
MOSI
CSB
MIS O
CLK
C1
2
NC
C5 NC
SW
1
SW
2
SW
3
R4 10K R3 10K R2 10K R1 10K
SW
4
C1
7
47n C1
9
47n
R2
2
200
C2
4
1n
C2
3
15P
C2
5
100n
3P
3V
MI
C
1 2 3 4 5 6 7 8 9
J1
9V
R_
OUT
L
_
OUT
MI
C
BL
_
RX
D
BL
_
T
X
D
1 2
J3
Vin
1
CE
3
VSS
2
Vout
5
nc
4
U3 XC
6204B
182M
R
L1 FB
600R
C1
4
2u2
C3 10u
C3
8
2u2
2P
5V
3P
3V
C3
6
1u
1P
8V
1 2 3 4 5 6
J2
MOS
I
CS
B
MI
S
O
CL
K
RES
ET
RES
ET
C3
2
2u2
R7 1K
9V
5V
C2 NC
R2
3
200
2.
4
22
G
L
-8A
Bl
uet
oot
h m
odul
e
312-30000-789S
L5 FB
600R
C3
3
22u/16V
C3
9
15P
1
E1 A
NT
E
NNA
R6 1K
L3 15n
C3
1
15P
C3
4
15P
L2 FB
600R
L4 FB
600R
C2
6
10u
Vin
1
CE
3
VSS
2
Vout
5
nc
4
U5 XC
6204B
252M
R
C2
9
2u2
3P
3V
C2
7
1u
2P
5V
C3
0
15P
C4
0
330P
C3
7
15P C2
8
15P
C2
2
100n
Vin
1
CE
3
VSS
2
Vout
5
nc
4
U1 XC
6204B
332M
R
C1
1
15P
C4 1u
C8 15P
C1 2u2
5V
K_
G
N
D
K_
G
ND