AOC 55C2U-DVB, Руководство по обслуживанию

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5
5
4
4
3
3
2 1
D D
C C
B B
A
TS_CLK TS_CLK
IF-IN+
Demod_RST
TS_VLD
TS_SYNC
Demod_RST
XTAL_OUT
XTAL_IN
IF-IN-
IP_T
IM_T
T_IF_AGC
T
S
_V
LD
T
S
_
SYN
C
MSPI_CSZ
T_IF_AGC
XTAL_IN
XTAL_OUT
D_
S
D
A
D_SCL
IP_T
IM_T Demod_RST
TS
_
D
0
TS_CLK
MSPI_DO
MSPI_DI
MSPI_CLK
TS_D0 TS_MDI0
MSPI_WP MSPI_CLK
MSPI_CSZ
MSPI_DI
MSPI_DO
D_SDA
D_SCL
+5V_Normal
+3.3V
+3.3V
+3.3V
VDD33
AVDD33
A
V
DD3
3
VD
D
V
DD3
3
VD
D
V
DD3
3
VDD
VDD33
+1.15V
+1.15V VDD AVDD33 +3.3V
+3.3V +3.3V
+3.3V_TU
TS_MDI0 4
I2C-SDA 3,4,6,9
I2C-SCL 3,4,6,9
TS_MIVALID 4
TS_MISYNC 4
TS_MICLK 4
IF-AGC 4,9
Demod_RST 4
DIFP
4
DIFM
4
MSB102X DEMOD core power
电压
1.10V~1.20V
RESETn
MSB102X DTMB DEMOD core power
电流
MAX 600mA
，需要
DCDC
。其他
demod
core power
电流
MAX350MA
，可以用
LDO
。
Close to Demod.
Close to Demod.
Close to Demod.
C46
0.1uF
C46
0.1uF
C24
0.1uF C24
0.1uF
C23
30pF C23
30pF
C60
10uF/6.3V
C60
10uF/6.3V
R28 100R R28 100R
C25
0.1uF C25
0.1uF
Y1
XTAL-24MHz
Y1
XTAL-24MHz
3
C62
0.1uF
C62
0.1uF
R29 0R R29 0R
C42
2.2uF
C42
2.2uF
C38
10uF/6.3V
C38
10uF/6.3V
C26
0.1uF C26
0.1uF C30
0.1uF
C30
0.1uF
C43
0.1uF
C43
0.1uF
C39 0.1uF C39 0.1uF
C22
0.1uF C22
0.1uF C33
0.1uF
C33
0.1uF
C58
10uF/6.3V
C58
10uF/6.3V
C27
0.1uF C27
0.1uF
R27 100R R27 100R
R26
0R
R26
0R
C48 0.1uF C48 0.1uF
C45
2.2uF
C45
2.2uF
C34
22nF
C34
22nF
C31
0.1uF
C31
0.1uF
R22
1M
R22
1M
AD
J OU
T
IN
U3
AMS1117-1.2
AD
J OU
T
IN
U3
AMS1117-1.2
3 2 1
4
U4
MSB102KT
U4
MSB102KT
DIS
E
Q
_
O
UT
1
16
QM
_S
15
QP
_S
14
MSPI_CSZ
33
GN
D
46
I2
CM
_
S
CL
20
I2
CM
_
S
DA
21
VDD
25
GN
D
18
V
DD3
3
23
D
ISEQ
_
IN
1
/T
S_
ER
R
24
VD
D
17
RESETZ
29
GND
30
GP
IO
0
19
MSPI_CLK
28
MSPI_DI
31
IFAGC_T
7
GND
26
VDD33
27
IFAGC_S
6
TS_CLK
34
TS_D7
35
TS_D6
36
TS
_
D
5
37
TS
_
D
4
38
TS
_
D
3
39
TS
_
D
2
40
TS
_
D
1
41
TS
_
D
0
42
T
S
_V
LD
43
TS
_
S
Y
N
C
44
V
DD3
3
45
GN
D
22
VD
D
47
I2
CS
_
S
DA
48
I2CS_SCL
1
GND
2
XTAL_OUT
3
XTAL_IN
4
AVDD33
5
GND
10
MSPI_DO
32
IP_T
8
IM_T
9
IP_S
11
IM_S
12
A
V
DD3
3
13
C29
30pF C29
30pF
C63
0.1uF
C63
0.1uF
C44
10uF/6.3V
C44
10uF/6.3V
R23
0R R23
0R
R25
10K R25
10K
R30
10K R30
10K
R24
10K/NC
R24
10K/NC
C922
10pf/nc
C922
10pf/nc
C32
0.1uF
C32
0.1uF
U5
GD25Q41
U5
GD25Q41
CE#
1
SO
2
WP#
3
VSS
4
SI
5
SCK
6
HOLD#
7
VDD
8
L214 FB L214 FB
56