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11.9. A-Board (8/12) Schematic Diagram
A-BOARD (8/12)
!
STB5V
5.8VS
C5476
10V
1u
SUB5V
P15V
C8711
10u
R8705
2k
SUB3.3V
P15V
C8721
10u
R8701
2k
64
DMD1.1V
Digital frontend 1.1V
VCCK1.1V
D5480
STB5V
TP8705
DB2J30900L
TP5400
SUB3.3V
D8705
DB2J30900L
C8780
NC
VOUT
10V
1
5
1u
C5477
C8781
10V
10V
1u
1u
GND
2
CE
VDD
3
4
1.1V 150mA
IC5416
C0DBGYY02973
IC8707
C0DBGYY02926
VCCK1.2V
IC8701
VCCK1.2V
4A 900kHz
C0DBAYY01273
8
SW
1
P15V
VINSW
SUB5V
TP8702
7
PGND
2
GND
L8701
G1C4R7ZA0240
C8730
R8708
6
3
2.2
10u
VINA
AGND
C8709
C8723
C8710
C8713
10u
10u
10u
820p
10V
10V
5
4
50V
EN
FB
R8734
R8704
2k
10.5k
IC8700
C0DBAYY01273
8
1
SW
VINSW
SUB3.3V
L8700
TP8701
G1C3R3ZA0240
7
2
PGND
GND
R8709
2.2
6
3
VINA
AGND
C8773
C8722
C8703
10u
10u
10u
10V
10V
5
4
EN
C8725
FB
820p
50V
R8700
6.34k
65
66
67
SUB1.2V
SUB1.8V
SoC Analog 1.2V
IC8702
IC8703
SUB3.3V
SUB1.2V
SUB3.3V
C0DBGYY01826
TP8000
C8129
C0DBGYY01631
C8131
C8714
2.2u 10V
2.2u
10V
2.2u 10V
VDD
VOUT
VDD
VOUT
GND
GND
CE
NC
CE
SII : 1pin=ON/OFF, 3pin=NC
RICHO: 1pin=NC, 3pin=ON/OFF
DDR1.5V
IC8705
C0DBAYY01273
P15V
8
1
SW
VINSW
VCCK1.2V
L8703
G1C4R7ZA0240
7
PGND
2
GND
R8730
2.2
6
VINA
3
AGND
C8732
C8731
C8735
10u
22u
820p
4V
5
EN
4
50V
FB
R8732
1.07k
P15V
P15V
R8741
R8744
15k
15k
under 0.4V: disable
over 1.2V : enable
Q8700
B1ABBE000003
Q8701
B1ABBE000003
under 0.4V: disable
over 1.2V : enable
DCDCEN
VCCK1.2V
DDR1.5V
SUB1.2V
SUB3.3V
68
69
37
ADAC3.3V
Tuner 1.8V
IC8706
SUB1.8V
SUB5V
C0CBCBC00227
TP8700
C8775
C8776
ADAC3.3V
C8715
1u
10V
10u 10V
2.2u
10V
VIN
VOUT
VSS
NC
ON/OFF
NC
SII : 1pin=ON/OFF, 3pin=NC
RICHO: 1pin=NC, 3pin=ON/OFF
IC8704
C0DBAYY01273
TP8703
DDR1.5V
L8704
G1C2R2ZA0240
8
1
SW
C8720
VINSW
10u
7
2
PGND
GND
R8737
2.2
6
VINA
3
AGND
C8728
C8726
C8739
R8740
10u
22u
820p
2k
4V
5
EN
4
50V
FB
R8739
1.82k
70
71
TH-L50EM5S
72
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