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1
3V3_STB
R15
R16
PIN52
M_SCL
M_I2C
A
PIN51
M_SDA
UT2
Si2159
MSD3553
Add_R
Add_W
B
Main Board Power Tree
PSU
12V
2500mA + Panel Current
950mA(eff=90%)
5V_STB
5V_STB
950mA
C
1230mA/2230mA
DC-DC
TPS563201
UD1
TBD
VCC-PANEL
POW_EN
1500mA
TAS5707
8ohm 6W
D
1
2
LVDS
0xC1
Add_R
0xC0
Add_W
230mA
5V_M
VCC_DDR
MSD3553
730mA
120mAavg
D-LDO
230mApeak
UL1
U1
POW_EN
500mA
500mA
150mA(eff=85%)
USB2.0
1.15V
MSD3553
DC-DC
150mA
LC2127
UD1
U1
500mA
350mA
3V3_STB
350mA
D-LDO
UL1
Tuner
MSD3553
200mA
150mA
UT2
U1
900mA
*(need to use TPS563201)
MHL2.0
2
3
4
SYSTEM FUNCTION BLOCK DIAGRAM
R
DDR3
AMP
I2S
TAS5707
128MB
L
IR & KEY
3
4
5
LVDS
FLASH
MSD3553
CVBS & Audio IN
LINE OUT
HDMI1
HDMI2
&MHL*
5
6
A
B
USB 2.0
I2C&AGC
C
TV
VIF
D
COAX
Optical*
6
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