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9.
Block Diagrams
Block diagram Video
TUNER
YP
b
Pr 1
S
CART 1
MT
8
222
S
c
a
ler/ADC
Video
proce
ss
ing
MCU
WT670
3
F
Key p
a
d
Fl
as
h memory
DDR memory
Power
su
pply
(reg
u
l
a
tor/
S
witch)
M
a
n
a
ge
u
nit
to e
a
ch
b
lock
P
a
nel interf
a
ce
1920 × 10
8
0
(1
3
66 × 76
8
)
Control interf
a
ce
PC_ D-
sub
HDMI_1
S
ide CVB
S
/
S
-video
EEPROM
EDID/
R
S
2
3
2
EDID
A
u
dio DAC/
S
PDIF
HDMI_2
R
S
2
3
2
s
ervice & ComP
a
ir port
iTV
CVB
S
S
ync
s
licer
CVB
S
&
H/V
s
ync
S
CART 2
HDMI_
S
IDE
U
S
B
IR / Power
s
witch
1
8
400_400_090
3
01.ep
s
09061
8