Panasonic TH-42PX20U-P Service Manual page 133

D-BOARD TXN/D10QKS (2/15)
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1
2
IC9006
AVR 3.3V
P5V
C0CBCBD00008
3.3V
C9030
R9110 C9037 C9039
6.3V
0 6.3V 16V
10u 10u 0.1u
C9032
16V
0.1u
5V
5V
C9034
AVR 3.3V
16V
0.1u
R9114 C9031
6.3V
0
10u C9046
16V
C9033 0.1u
16V
0.1u
C9036
C9038
5V 6.3V
16V
10u 0.1u
IC9007
C9035
16V
C0CBCBD00008 0.1u
41
42
AM_B
C9042
25V 43
R9019 GND
0.047u
44 CLAMP
0
R9022
VD VD
45
75
GND
VD
46
IC9009
GND
47
AM_G
C9043
GAIN
0.047u 48
C9044 25V
R9020
SOGIN
49
0 50V C0FBAD000069
R9023 C9045
GND
75 1000p 50
0.1u
16V
VD
51 A/D CONVERTER
VD
52
GND
53
AM_R C9040
RAIN
54
25V 0.047u
R9113
A0
0 55 GND
R9024
SCL VD
56
75 AJ_SCL2
GND
SDA
57
AJ_SDA2 C9041
58
16V 0.1u
59
60
C9048
16V
0.1u
3
4
5
6
8
AA
TH-42PX20U-P D-BOARD (2 of 15) Schematic Diagram
8 9
1
R9065
OE1 VCC
0
2
I0 OE2
AU_HD_S
3
O7
R9066
4
0 I1
3.3V
AU_VD_S
5
O6
R9067
6
I2
0
R9115
AU_NCLP_S
0 7
O5
3.3V
3.3V 8
I3
9
O4
C9055
16V
10
GND
0.1u
20 ANALOG(M)
19
AS_B0
&
18
AS_B1
BLUE<2>
VDD 17 DIGITAL1
AS_B2
VDD BLUE<3>
16
AS_B3
GND
BLUE<4>
15
AS_B4
BLUE<5>
14
AS_B5
BLUE<6>
13
AS_B6
BLUE<7>
12
AS_B7
VDD
11
GND
10
GREEN<0>
9
AS_G0
GREEN<1>
8
AS_G1
GREEN<2>
7
AS_G2
GREEN<3>
GND 6
AS_G3
VDD GREEN<4>
5
VDD AS_G4
GREEN<5>
4
AS_G5
3
AS_G6
2
AS_G7
1
C9056
16V
0.1u
AB
10 11
3.3V
C9077
16V
0.1u
20
19
18
O0
AL_HD_S
17
I7
16
O1
AL_VD_S
15
I6
14
O2
AL_NCLP_S
13
I5
12
O3
11
I4
12
TH-42PX20U-P D-BOARD (2 of 15) Schematic Diagram
13 14
42
43
44
AD
15