Circuit Diagrams and PWB Layouts
10.
10-2-2
System Power 2
19230_519_120209.eps
120209
System Power 2
B02
B02
2012-02-06
1
715G5163
System Power 2
R771
0R05 1/16W
1
2
FB750
120R/3000mA
Panel VCC=12V
R752
10K 1/10W 5%
Q751
BC847C
D
1
D
2
D
3
G
4
S
5
D
6
D
7
D
8
Q750
AON4421
PANEL_VCC
R753
7K5 1/10W 5%
+12V
C751
4.7UF 10V
PANEL_VCC_ON/OFF
R750
10K 1/16W 5%
R754
0R05 1/10W
R751
5.1KOHM +-5% 1/10W
C750
1UF16V
ADAC_PWR
PANEL_VCC ON/OFF:(GPIO16)
Normal:High
Stand_By:Low
AVDD3V3
C766
10uF 25V
TUNER_LNB
17
TUNER_LNB
DISEQC_OUT
17
DISEQC_OUT
R768
0R051/8W
+5V_STB
2,4,5,7
+5V_STB
R769
NC/0R051/8W
DVDD3V3
2,4,5,6,7,10,11,12,13,14,15,16,17
DVDD3V3
GND
2,4,5,6,7,8,9,10,11,12,13,14,15,16,17
PANEL_VCC_ON/OFF
13
GND
PANEL_VCC_ON/OFF
+
C753
N
C
/100U
F
16V
C765
220N 25V
+5V_SW
3V3SB
2,4,5,6,7,11,14
3V3SB
C764
220N 25V
DISEQC_IN
17
DISEQC_IN
S2_DEMO_SCL
TUNER_LNB
DISEQC_IN
DISEQC_OUT
S2_DEMO_SDA
R755
100R 1/16W 5%
1
2
D750
FB340M
1
2
D752
BAT43W
R762
0R05 1/16W
R761
15R 1%
1
2
D751
FB340M
NC
1
NC
2
NC
3
LX
4
P-GND
5
SDA
6
NC
7
NC
8
S
CL
9
AD
D
R
10
D
S
QOU
T
11
D
S
QI
N
12
EXT
M
1
3
TTX
14
BYP
15
NC
16
NC
17
VCC-L
18
VCC
19
A-GND
20
VoRX
21
VoTX
22
NC
23
NC
24
NC
25
NC
26
VU
P
27
IS
EL
2
8
DE
TIN
29
VC
T
R
L
3
0
NC
3
1
NC
3
2
Ep
a
d
33
U751
LNBH23QTR
1
2
ZD750
NC/PJSD24CW
L751
220UH
L750
22uH
C759
10uF 16V
R759
NC/0R05 1/16W
R757
100 OHM 1/4W
C763
220N 25V
C762
10N 50V
C761
100N 16V
R766
10K OHM +-5% 1/8W
C758
0.47UF 50V
R763
10K 1/16W 5%
R758
100R 1/16W 5%
R764
NC/0R05 1/16W
R756
20K5 1% 1/8W
R760
0R05 1/16W
1
2
D753
BAT43W
C756
100N 16V
R770
1R 1/8W 5%
R765
NC/0R05 1/16W
C767
10N 50V
+12V
DVDD3V3
LNB Power Supply
+
C754
150UF 25V
S2_DEMO_SDA
17
S2_DEMO_SDA
C752
1UF16V
+5V_STB
3V3SB
VI
3
VO
2
GN
D
1
4
4
U750 G1117-33T63Uf
+
C755
10UF 25V
+5V_STB TO DV33SB
R767
4K7 1/16W 5%
S2_DEMO_SCL
17
S2_DEMO_SCL