Panasonic TH-42PX20U-P Service Manual page 131

C4-BOARD TNPA3062 (2/2)
!
R7707
0
C7707
R7706
100V
220k
0.1u
75V
1
2
C7778
50V
100p
3
R7818
120
TERM
4
C7706
16V
1u
5
6
C7777
50V
100p
R7770
120
TERM
7
C7705
16V
1u
8
TH-42PX20U-P
C4-BOARD (2 of 2) Schematic Diagram
8 9
20
Vda75V
19
Vda75V
18
Vda75V
75V 17
Vda75V
16
NC
15
NC
14
NC
13
NC
12
NC
11
NC
10
AC_PCR
NC
R7823
9
NC
AB_LE1
47
8 AC_CLKR
NC
R7824
7
NC
AB_LE2
47
6
GND
R7825
5
GND
AB_LE3
47
4
AC_NCLKR
GND
R7826
3
GND
AB_LE4
47
2
GND
1
GND TO
C3-BOARD
SIDE
C43
(C33)
R7821
120
75V 75V
R7723 R7734 R7735
R7724
22 22
22 22
75V
L7710
J0JJC0000011
C7717 C7718 C7743
100V
100V 100V
0.1u
0.1u 0.1u
R7772
120
75V 75V
R7736 R7737
R7719 R7720
22 22 22
22
75V
L7711
J0JJC0000011
C7745
C7715 C7716
0.1u 100V 100V
100V 0.1u 0.1u
10 11
R7799
0
C7702
AF_BD11
6.3V 10u
CLOCK BUFFER
AF_BD12
C7701
16V 1u
1 20
1OE VCC AF_BD13
2 19
1A1 2OE
AE_BD21
R7803
AB_PCR
3 18
2Y4 1Y1
0
AC_CER
4 17
1A2 2A4
R7708
AB_CLK12
5 16
2Y3 1Y2
0
6 15
1A3 2A3
7 14
2Y2 1Y3
8 13
1A4 2A2
R7710
AB_CLK22
9 12
2Y1 1Y4
0
10 11
GND 2A1
AE_BD22
AE_BD23
AD_BD31
AD_BD32
TO
DATA
DRIVER
AD_BD33
AA_BD41
AA_BD42
AA_BD43
5V
5V
TO
DATA
DRIVER
5V
12
R7801
0
BUFFER
C7772
C7750
6.3V
16V
1 20
1OE VCC 10u
1u
AG_D134
2 1A1 ^2OE 19
R7758 47 R7762 47
AF_BD14
3 2Y4 1Y1 18 AG_D131
AG_D132
AG_D135 AG_D131
4 1A2 2A4 17
AG_D133
R7759 47 R7763 47 AF_BD15
5 2Y3 1Y2 16 AG_D134
AG_D136 AG_D132
6 15 AG_D135
1A3 2A3
R7760 47 R7764 AG_D136
AF_BD16
7 2Y2 1Y3 14 47
AG_D144 AG_D133
8 1A4 2A2 13
R7761
R7765 47
47 AE_BD24 AG_D141
9 2Y1 1Y4 12
AI_D142
AG_D141
10 11
GND 2A1
AI_D143
AG_D144
AI_D145
AI_D146
AI_D151
AI_D152
AH_D153
AI_D154
BUFFER
AH_D156
AI_D155
C7773
C7751
16V 6.3V
1 20
1OE VCC
1u
10u
AI_D145
2 1A1 ^2OE 19 AH_D161
AH_D162
R7778
R7774 47 47 AE_BD25
3 2Y4 1Y1 18
AH_D163
AI_D146 AI_D142
4 1A2 2A4 17 AH_D164
R7775 47 R7779 47 AE_BD26
5 16 AH_D165
2Y3 1Y2
AI_D154 AI_D143
6 1A3 2A3 15
AH_D166
R7776 47 R7780 47 AD_BD34
7 2Y2 1Y3 14
AI_D155 AI_D151
8 1A4 2A2 13
AC_CER
47 R7781 47 AD_BD35
R7777
9 2Y1 1Y4 12
AI_D152
10 11
GND 2A1
AC_NCLKR
AC_CLKR
BUFFER
C7774
C7752
16V 6.3V
1 1OE VCC 20
1u
AH_D156 10u
2 19
1A1 ^2OE
R7790 47 R7794
AD_BD36
3 18 47
2Y4 1Y1
AH_D164 AH_D153
4 1A2 2A4 17
R7791 47 R7795
47 AA_BD44
5 2Y3 1Y2 16
AH_D165 AH_D161
6 1A3 2A3 15
R7796
R7792 47 47 AA_BD45
7 14
2Y2 1Y3
AH_D166 AH_D162
8 1A4 2A2 13
R7793 47 R7797 47
AA_BD46
9 2Y1 1Y4 12
AH_D163
10 GND 11
2A1
DL7707
ELKE103FA
1
2
R7747
22k
R7748
100k
TH-42PX20U-P
C4-BOARD (2 of 2) Schematic Diagram
13 14
B40
SOS
A40
GND
B39
A39
D12-2
B38
A38
D12-4
B37
A37
D12-6
B36
GND
A36
GND
B35
D13-1
A35
D13-2
B34
D13-3
A34
D13-4
B33
A33 D13-5
D13-6
B32
GND
A32
GND
B31
A31 D14-1
D14-2
B30
D14-3
A30
D14-4
B29
D14-5
A29
D14-6
GND
B28
A28
GND
B27 D15-1
A27
D15-2
B26 D15-3
A26
D15-4
B25 D15-5
A25
D15-6
B24
GND
A24
GND
B23 D16-1
A23
D16-2
D16-3
B22
A22
D16-4
B21 D16-5
A21
D16-6
B20
CLK3R
A20
CLK4R
B19 GND
A19
CER
B18
BLKR
A18
PCR
B17 NCLKR
A17
GND
B16 GND
A16
CLKR
B15 GND
C7779
A15
50V HZ
100p B14 GND
A14
GND
B13 GND
A13
GND
B12
DSHR
A12
DSLR
B11
DMHR
A11
DMLR
B10
A10 GND
GND
B9
A9 GND
GND
B8
A8 GND
GND
B7
NC
A7
NC
B6
NC
A6
NC
B5
GND
A5
GND
B4
A4 GND
GND
B3
A3 5V DET
DRVRST
B2
A2 5V
5V
B1
A1 5V
5V
3
SIDE
TO
C41
D-BOARD
(D34)
15