Panasonic TH-42PA20A Service Manual page 95

A D-BOARD TXN/D1QCSE (1/11)
!
B
AF_G
G
40
GND
39
AF_B
B
38
GND
37
AF_R
R
36
GND
35
R9130 100
HD
34 AE_HD_S
GND
33
R9131 100
VD
32 AE_VD_S
R9132 100
CLP P5V
31 AE_NCLP_S
GND
30
5V
29 AD_STB_ON
R9730 100
STB_ON
28 R9929 AD_SOS_STATUS
100
REAL TIME /INTRA
27 AD_FAN_CONT
R9988 0
FAN_CONT
26 AD_REMOCON_OUT
R9728 0
REMOCON_OUT
25 AD_ALL_OFF1
R9987 0
ALL_OFF
24
RXD_PC
C 23
GND AS_RXD_PC
22
TXD_PC AS_TXD_PC
21
GND AS_RXD_TU
20
RXD_TU AS_TXD_TU
19
GND
18
TXD_TU EXB38VR000V
17
R9727
GND
16
R9986 0
POWER STATUS
15
GND
14
R9726 0
CABLE DET
13 R9985
0
SOUND MAIN MUTE
12
R9984 0
RESET
11
GND
10
SDA3
9
SCL3
8
SDA2
7
SCL2
6
SDA1
5
SCL1
4
GND
3
IIC_CONT
2
STB5V
1
TO
DG-BOARD D3
D
(DG3)
E
F
B D F H J L N
A C E G I K M
TH-42PA20A/F/H/M/R D-BOARD (1 of 11)Schematic Diagram
1 2
TO
D-BOARD
(6/12)
3 4
IC9006
C0CBCBD00008
P5V
AVR3.3V
R9110 C9030
0
6.3V
10u
C9032
16V
0.1u
C9034
16V
0.1u
R9114 C9031
0 6.3V
10u
C9033
16V
0.1u
IC9007 C9035
C0CBCBD00008
AVR3.3V
AF_B
R9019
R9022
0
75
AF_G
R9020
0 R9023
75
AF_R
R9113
0 R9024
75
Q
5 6
C9039
C9037
C9051
6.3V 16V
16V
10u
0.1u
0.039u
C9036 C9038
C9046
6.3V 16V
16V
10u 0.1u
0.1u
C9055
16V 16V
0.1u
0.1u
41 20
42 19 AJ_B0
C9042
43 18 AJ_B1
25V
GND BLUE<2>
0.047u 44 CLAMP VDD 17 AJ_B2
VD VD VDD BLUE<3>
45 16 AJ_B3
GND GND
VD BLUE<4>
46 15 AJ_B4
C9043 25V GND BLUE<5>
47 14 AJ_B5
0.047u IC9009
GAIN BLUE<6>
48 13 AJ_B6
C9044
SOGIN BLUE<7>
49 C0FBAD000069 12 AJ_B7
1000p
GND VDD
50 11
C9045 16V
VD GND
51 A/D (S) 10
0.1u
VD GREEN<0>
52 9 AJ_G0
GND GREEN<1>
53 8 AJ_G1
C9040
RAIN GREEN<2>
54 7 AJ_G2
0.047u 25V
A0 GREEN<3>
55 GND GND 6 AJ_G3
AAC_SCL2
SCL VD VDD GREEN<4>
56 5 AJ_G4
AAC_SDA2
GND VDD
SDA GREEN<5>
57 4 AJ_G5
C9041
58 3 AJ_G6
0.1u 16V
59 2 AJ_G7
60 1 C9056
16V
0.1u
C9048
16V
0.1u
100MHz
R9127 R9128 R9129
EXB2HVR000V EXB2HVR000V EXB2HVR000V
TH-42PA20A/F/H/M/R D-BOARD (1 of 11) Schematic Diagram
7 8
2
3.3V
R9115
0
4
T U
9