Panasonic TH-42PX20U-P Service Manual page 125

1
C7155
100p
50V
TO
R7117
DATA
120
DRIVER
TERM
2
C7105
16V
1u
3
4
5V
5
C7156
50V
100p
TO
R7121
DATA 120
DRIVER
TERM
6
C7106
16V 1u
7
8
TH-42PX20U-P
C1-BOARD (2 of 2) Schematic Diagram
8 9
C1-BOARD TNPA3059 (2/2)
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R7118
120
75V 75V
R7135 R7119
R7134
R7120
22
22
22 22
75V
L7110
J0JJC0000011
C7143 C7116
C7115
100V 100V
0.1u
0.1u 0.1u
100V
R7122
120
75V 75V
R7137
R7124 R7136
R7123
22 22
22
22
75V
L7111
J0JJC0000011
C7145
C7118 C7117
100V 100V 0.1u
0.1u 0.1u 100V
CLOCK BUFFER
1 20
1OE VCC
AE_CLKR
2 19
1A1 2OE
R7224
3 18
2Y4 1Y1
AA_LE1
47
4 17
1A2 2A4
R7225
5 16
2Y3 1Y2
AA_LE2
47
AE_NCLKR
6 15
1A3 2A3
R7226
7 14
2Y2 1Y3
AA_LE3
47
AE_PCR 8 13
1A4 2A2
R7227
9 12
2Y1 1Y4
AA_LE4
47
10 11
GND 2A1
10 11
Vda75V
75V
5V
5V
AG_D046
AG_D054
AG_D055
AG_D056
5V
AC_D035
AC_D036
AC_D044
AC_D045
AB_D024
R7229
AB_D025
0
C7102
AB_D026
6.3V
10u
AB_D034
C7101
16V1u
AA_CLK11
R7107
AE_CER
0
R7109
0
AA_CLK21
AA_PCR
R7236
0
12
R7108
0
75V
20
Vda75V
C7107
R7106 19
100V Vda75V
220k
0.1u
18
Vda75V
17
Vda75V
16
NC
15
NC
14
NC
13
NC
12
NC
11
NC
10
NC
9
NC
8
NC
7
NC
6
GND
5
GND
4
GND
3
GND
2
GND
TO
1
GND
C2-BOARD
SIDE
(C22)
C12
DL7107
ELKE103FA
1
2
R7230
0
BUFFER
C7176 C7150
6.3V 16V
1 1OE VCC 20
10u 1u
2 1A1 ^2OE 19
AD_BD33 R7158 47 R7162 47 AD_BD36
3 18
2Y4 1Y1
AG_D043
4 1A2 2A4 17
R7159 47 R7163 47
AF_BD41 AF_BD44
5 2Y3 1Y2 16
AG_D051 R7147
6 1A3 2A3 15
22k
AF_BD42 R7160 47 R7164 47 AF_BD45
7 2Y2 1Y3 14
AG_D052
8 13
1A4 2A2
R7161 47
AF_BD43 R7165 47 AF_BD46
9 2Y1 1Y4 12
R7148
AG_D053
10 GND 11 100k
2A1
BUFFER
C7177 C7151
6.3V 16V
1 20
1OE VCC 10u 1u
2 19
R7174 47 1A1 ^2OE R7178 47
AH_BD22 AH_BD25
3 18
2Y4 1Y1
AC_D032
4 17
1A2 2A4
AH_BD23 R7175 47 R7179 47 AH_BD26
5 16
2Y3 1Y2
6 15
R7176 47 1A3 2A3 R7180 47
AD_BD31 AD_BD34
7 14
2Y2 1Y3
8 13
R7177 47 1A4 2A2 R7181 47
AD_BD32 AD_BD35
9 12
2Y1 1Y4
10 11
GND
2A1
BUFFER
C7152
C7178
6.3V 16V
1 20
1OE VCC 10u 1u
2 19
R7190 47 1A1 ^2OE R7194 47
AI_BD11 AI_BD14
3 18
2Y4 1Y1
AB_D021
4 17
AI_BD12 R7191 47 1A2 2A4 R7195 47 AI_BD15
5 16
AG_D046
2Y3 1Y2
AB_D022
6 15
AG_D043
R7192 47 1A3 2A3 R7196 47
AI_BD13 AI_BD16
7 14
2Y2 1Y3
AB_D023
8 13
R7193 47 1A4 2A2 R7197 47
AH_BD21 AH_BD24
9 12
2Y1 1Y4
AB_D031
10 11
GND
2A1
AB_D034
AB_D031
13 14
3
TO
D-BOARD
(D31)
C11
B40
5V
A40
5V
B39
5V
A39
5V
B38
A38 DRVRST
5V DET
B37
GND
A37
GND
B36
GND
A36
GND
B35
A35 NC
NC
B34
NC
A34
3.3V
B33
A33 GND
NC
B32
A32 SDA2
SCL2
B31
GND
A31
GND
B30
A30 DMLR
DMHR
B29
DSLR
A29
DSHR
B28
GND
A28
GND
B27
GND
A27
GND
B26
A26 HZ
GND
AE_CLKR
B25
CLKR
A25
GND
B24
AE_NCLKR
A24 GND
NCLKR
B23
PCR
A23
BLKR
AE_CER
B22
CER
A22
C7179
GND
50V
100p
B21
CLK4R
A21
CLK3R
B20
D5-6
A20
AG_D055 D5-5
AG_D056
B19
D5-4
AG_D053 A19
AG_D054 D5-3
B18
D5-2
AG_D051 A18
AG_D052 D5-1
B17
GND
A17
GND
B16
AC_D045 D4-6
A16
D4-5
B15
D4-4
A15
D4-3
AC_D044
B14
A14 D4-2
AC_D041 D4-1
B13
AC_D042 GND
A13
GND
B12
D3-6
AC_D035
A12
AC_D036 D3-5
B11
D3-4
A11
D3-3
AC_D033
B10
D3-2
A10
D3-1
AC_D032
B9
A9 GND
GND
B8
A8 D2-6
AB_D025
AB_D026 D2-5
B7
D2-4
AB_D023 A7
AB_D024 D2-3
B6
D2-2
AB_D021 A6
AB_D022 D2-1
B5
GND
A5
GND
B4
D1-6
A4
D1-5
B3
A3 D1-4
D1-3
B2
D1-2
A2
D1-1
B1
GND
A1
SOS
SIDE
TH-42PX20U-P
C1-BOARD (2 of 2) Schematic Diagram
15