5
4
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Rev
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A
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F X
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6
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VGA
AUDIO
LINEIN_L0/R0
EUA2113
UD3
3.3V_TUNER
AL0O/AR0O
L/R
1.8VA
DC/DC
3.3VA
MSD3393-128PIN
DSP
AC100V-240V
SPIDF
OUTPUT
COAXIAL
POWER BOARD
TDA18273 (ONBOARD)
RF IN
FRONT
PANEL
SY8008B
+12V
SPI FLASH
SY8008B
1.15V
DC/DC
VGA
RGB
USB PORT
HDMI*3
IR,KEY0,KEY1
IF
ATSC TUNER
3.3V_TUNER
BLOCK DIAGRAM
DV
D_
C
V
BS
CN202
AV
32Mbit
DC/DC
SY8008B
UD9
UD8
UD7
U1
5VSTB
12VA
+3.3Vstb
UD13
PWR-ON/OFF
3.3VA
5VA
AUDIO AMP.
CVBS0
L/R (AIN0)
J8
PH1~3
YPbPr
PH1~3
PH1~3
LINEIN_L1/R1
YPbPr0
CVBS1
J3
J13
HeadPhone
TO SPK
J17
JACK
J18
5VA
PANEL_ON/OFF
PANEL_POWER
OR 601
UD12
K7
76MS
1.15V
3.3V
≈
0mS
≈
0mS
1.8V
18.8mS
U702
AUDIO AMP.
S
ervice M
a
nu
a
l
Model No.:
7. Ele
c
tri
ca
l p
a
rts
7-1. C
ir
c
u
it D
i
a
gr
am
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