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22
7. SYSTEM BLOCK DIAGRAM
SCL 0
11
SDA 0
12
VSYNC
27
INT4
40
RMT OUT
3
MUTE
4
SP MUTE
5
V.sync
pulse
Audio mute
Speaker
mute
Remote
controller
output
6
5
QA02
Memory
24LC08BI/P
SDA SCL
DATA
25
CLK
22
CS
23
BUSY
24
RESET
26
15
14
QH30
C/C,EDS
XC144144P
SDA SCL
5856
CS BUSY
55
DATA
54
CLK
QR60
OSD
MB90091
59
60
QX01
WAC
TC9097F
SDA SCL
43
44
Q701
CONVER
T7K64
SDA SCL
HO01
SDA SCL
Main U/V tuner
ELA12L
HY01
SDA SCL
Sub U/V tuner
EL922L
2827
Q501
SDA SCL
VCD
TA1222AN
2021
HO02
SDA SCL
IF/MPX/A.PRO
MVUS5345
25
24
QV01
SDA SCL
AV SW
TA1218N
DPC unit
1920
QZ01
SDA SCL
YCS
TC9086F
QY91
SDA SCL
DUAL micro-
processor
39
40
QK06
SDA SCL
AUTO LIVE
38
SDA 1
37
SCL 1
35
RMT
Remote
controller
light
receiving
unit
17
KEY-A
Key
switch
33
RST
42
VDD
1
GND
21
VSS
7
POWER
31
XIN
8
LED
41
ACP
Power
supply
circuit
32
XOUT
8MHz
Clock
19
SGV
20
SGA
Signal
output
36
SYNC-AV1
16
AFT1 IN
Main screen
Sync det.
AFT det.
13
SYNC-AV2
2
AFT2 IN
Sub screen
Sync det.
AFT det.
18
KEY-B
QY03
POP
TC9092F
DATA CLK
QA01
TMP87CS38N-XXXX
Fig. 3-5