A-Board (1/19) Schematic Diagram - Panasonic TX-PR42S20 Service Manual

13.6. A-Board (1/19) Schematic Diagram

! A-BOARD (1/19) IIC
A
B
P3.3V
TO 3/19
R0948 R0949
sLD
2.2k 2.2k
C
R0940 68
SCL0
sLD IIC0 -> Develop IIC0
R0941 68
LDA2 IIC2 -> Develop IIC0
SDA0
R0942 68
SCL2 MSCL
sLD IIC2 -> Develop IIC2
R0943 68
LDA2 IIC0 -> Develop IIC2
SDA2 MSDA
R0944 68
SCL1
sLD IIC1 -> ADJ-Peaks IIC
R0945 68
LDA2 IIC1 -> ADJ-Peaks IIC SDA1
R0952
D
E
PDP-PANEL
TO 13/19
F
1 2
R0953 R0950 R0951 R0954 R0955 R0970 R0971 R0958 R0959
A-Chip
I2CSEL TP0940
R0957
1k
AV-SW
TEMP SENSOR R2A11014FT
MM3285ANRE
SLV-ADR
0x90
TO 17/19 TO 2/19 TO 11/19
3 4
SUB3.3V
R0966 R0967
4.7k 4.7k
R0972 R0973 R0976 R0977
TO 12,19/19
D-TNR_SCL
FE-OUT_SCL
FE-OUT_SDA
TO 17,19/19 D-TNR_SDA
TU2901 TO TU-PWB IIC
TO 12,19/19
D/A TUNER
FE-OUT_SCL Free-SAT NIM
FE-OUT_SDA HK digital FE
Brazil FE
FE DVB-T2 FE
CXD2817R
A TUNER
TO 4/19
5 6
46
TO 3,12/19 XRST
TRST
TDO
TDI
TO 3/19
TMS
SUB3.3V
TCK
R0980 R0981
4.7k 4.7k
R0978 R0979
STB3.3V
R0984 R0985
4.7k 4.7k
R0982
22
STMSCL
STMSDA
R0983
22
R0986 R0987
IC1101
GenX EEP
Peaks EEP
16k
32k
STM
TO 6/19
TO 5/19 TO 3/19
7 8
SUB3.3V
R0900
68
R0905
10k
C0900
16V 0.1u
R0902
EXB28V680JX
R0913 10k
R0912 10k
R0911 10k
10k
R0910
R0903
68
CN0101
DEVELOP_SCL1
TO 17/19
DEVELOP_SDA1
DEVELOP_SCL2
TO 17,19/19
DEVELOP_SDA2
ADJ-PEAKS_SCL
(Peaks BE E2PROM)
ADJ-PEAKS_SDA
ADJ-STM_SCL
(STM Loarder/E2PROM)
ADJ-STM_SDA
CN0100
TO 17/19
9