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12.2. A-Board (1/19) Schematic Diagram
A-BOARD (1/19)
IIC
!
A
B
R0948
2.2k
sLD
R0940
68
SCL0
R0941
68
SDA0
C
OPEN
TO 3/19
SCL2
R0942
68
MSCL
R0943
68
MSDA
SDA2
R0944
68
SCL1
R0945
68
SDA1
R0952
D
TO 13/19
PDP-PANEL
E
F
1
2
P3.3V
R0949
2.2k
R0953
R0950
R0951
R0954
R0955
R0970
R0971
R0958
TO 2/19
TO 9/19
TO 17/19
TO 2/19
I2CSEL
TP0940
R0957
1k
TEMP SENSOR
AV-SW
A-Chip
I2CSEL
H: Outside IIC control
(Study only)
L: D-chip internal control
(Normal)
3
4
SUB3.3V
R0966
R0967
4.7k
4.7k
R0959
R0972
R0973
R0976
D-TNR_SCL
FE-OUT_SCL
FE-OUT_SDA
TO
D-TNR_SDA
1,11,19/19
TO
FE-OUT_SCL
1,11,19/19
FE-OUT_SDA
TO 4/19
TO
1,17,19/19
TU2901
TO TU-PWB IIC
FE
TUNER
Free-SAT NIM
HK digital FE
Brazil FE
DVB-T2 FE
5
6
42
R0900
68
TO 3,12/19
XRST
R0901
68
SBT1
R0902
EXB28V680JX
TRST
TDO
TO 3/19
TDI
TMS
TCK
R0903
R0910
68
10k
SUB3.3V
R0980
R0981
4.7k
4.7k
R0977
R0978
R0979
STB3.3V
R0984
R0985
4.7k
4.7k
R0982
22
TO
STMSCL
3/19
STMSDA
R0983
22
IC1100
TO 5/19
GenX EEP
16k
STM
Peaks EEP
32k
7
8
SUB3.3V
R0905
10k
C0900
R0912
R0913
R0911
16V
10k
10k
10k
0.1u
CN0101
Development Connector
DEVELOP_SCL0
DEVELOP_SDA0
DEVELOP_SCL1
TO 17/19
DEVELOP_SDA1
DEVELOP_SCL2
TO 1,17,19/19
DEVELOP_SDA2
ADJ-PEAKS_SCL
(Peaks BE E2PROM)
ADJ-PEAKS_SDA
TO
17/19
ADJ-STM_SCL
(STM Loarder/E2PROM)
ADJ-STM_SDA
CN0100
Adjustment Connector
R0986
R0987
TO
6/19
9
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