Panasonic TH-42PX20U-P Service Manual page 269

14.42. D-Board (2 of 15) Schematic Diagram
D-BOARD TXN/D10QKS (2/15)
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1
2
IC9006
P5V AVR 3.3V
C0CBCBD00008
C9030
R9110
6.3V
0
10u
C9032
16V
0.1u
5V
5V
C9034
AVR 3.3V
16V
0.1u
R9114 C9031
0 6.3V
10u
C9033
16V
0.1u
5V
IC9007
C9035
16V
C0CBCBD00008
0.1u
AM_B
C9042
25V
R9019
0.047u
0
R9022
75
AM_G
C9044
R9020
0
50V
R9023
1000p
75
AM_R
R9113
0
R9024
75
AJ_SCL2
AJ_SDA2
3
4
5
6
8
AA
TH-42PX20U-P D-BOARD (2 of 15) Schematic Diagram
8
3.3V
C9037 C9039
6.3V 16V
10u 0.1u
C9046
16V
0.1u
C9036
C9038
6.3V
16V
10u
0.1u
41
42
43
GND
44 CLAMP VDD
VD VD VDD
45
GND GND
VD
46
IC9009
GND
47
C9043
GAIN
48
25V 0.047u
SOGIN
49
C0FBAD000069
C9045
GND
50
0.1u
16V
VD
51 A/D CONVERTER
VD
52
GND
53
C9040
RAIN
54
25V 0.047u
A0
55 GND GND
SCL VD VDD
56
GND VDD
SDA
57
C9041
58
16V 0.1u
59
60
C9048
16V
0.1u
9
AU_HD_S
3.3V
AU_VD_S
R9115
AU_NCLP_S
0
3.3V
3.3V
C9055
16V
0.1u
20
19
AS_B0
18
AS_B1
BLUE<2>
17
AS_B2
BLUE<3>
16
AS_B3
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>
6
AS_G3
GREEN<4>
5
AS_G4
GREEN<5>
4
AS_G5
3
AS_G6
2
AS_G7
1
C9056
16V
0.1u
10
3.3V
C9077
16V
0.1u
1 20
R9065 OE1 VCC
0
2 19
I0 OE2
3 18
O7 O0
R9066 AL_HD_S
4 17
0 I1 I7
5 16
O6 O1
R9067
AL_VD_S
6 15
I2 I6
0
7 14
O5 O2
AL_NCLP_S
8 13
I3 I5
9 12
O4 O3
10 11
GND I4
ANALOG(M)
&
DIGITAL1
AB
11 12
104