Panasonic TH-42PX20U-P Service Manual page 128

C3-BOARD TNPA3061 (1/2)
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TO
A
R7547
D-BOARD C31
22k
(D33)
R7548
5V 100k
5V A1
B1
5V
5V A2
B2
NC
5V DET A3
B3
LED_G
A4
LED_R
B4
GND
A5
REMOCON
B5
GND
A6
KEY_SW
B6
STB5V
OPT A7
B7
GND
A8
DRVRST
B8
DMLL
A9
DMHL
B9
DSLL
A10
DSHL
B10
HZ
A11
GND
B11 AE_CLKL
CLKL
A12
GND
B12
GND AE_NCLKL
NCLKL A13
B13
AE_PCL
PCL
A14
BLKL
B14
AE_CEL
B CEL
A15
GND
B15
CLK4L
A16 C7575
CLK3L
B16 AI_D226 50V
D22-6
A17 AI_D225 100p
D22-5
B17
AI_D224
D22-4
AI_D223
D22-3 A18
B18
AI_D222
D22-2
AI_D221
D22-1 A19
B19
GND
A20
GND
B20
AH_D216
D21-6
AH_D215
A21
D21-5
B21
AH_D214
D21-4
A22 AH_D213
D21-3
B22
AH_D212
D21-2
A23 AH_D211
D21-1
B23
GND
GND A24
B24
AF_D206
D20-6
AF_D205
D20-5 A25
B25
AF_D204
D20-4 AF_D203
A26
D20-3
B26
AF_D202
D20-2
AF_D201
A27
D20-1
B27
GND
A28
GND
B28
AG_D196
D19-6
A29 AG_D195
D19-5
B29
AG_D194
D19-4
AG_D193
D19-3 A30
B30
AG_D192
D19-2
AG_D191
D19-1 A31
C B31
GND
A32
GND
B32
D18-6
A33
D18-5
B33
D18-4
A34
D18-3
B34
D18-2
A35
D18-1
B35
GND
GND A36
B36
D17-6
D17-5 A37
B37
D17-4
A38
D17-3
B38
D17-2
A39
D17-1
B39
GND
SOS A40
B40
TERM
D
E
TH-42PX20U-P
C3-BOARD (1 of 2) Schematic Diagram
1
TO
K-BOARD
(K24)
C44
DL7508
ELKE103FA
5V
1 3
2
C7510
R7542
1u
R7544
16V 10k
10k
R7541 D7502
MA3X152K0L
10k
Q7561 R7543
10k Q7562
2SB0709A0L
2SB0709A0L
D7501
MA3X152K0L
MA3X152K0L
DL7507
ELKE103FA
1 3
2
AK_REMOCON
AK_KEY_SW
AK_OPT
BUFFER
C7550 C7572
16V 6.3V
1 1OE VCC 20
1u
10u
AI_D224
2 19
1A1 ^2OE
R7558 R7562
AB_BD81 47 AB_BD84
3 2Y4 1Y1 18
AI_D225 47 AI_D221
4 1A2 2A4 17
AB_BD82 R7559 47 R7563 47 AB_BD85
5 2Y3 1Y2 16
AI_D226 AI_D222
6 15
1A3 2A3
R7560 R7564 47
AB_BD83 47 AB_BD86
7 2Y2 1Y3 14
AH_D214 AI_D223
8 1A4 2A2 13
R7561 R7565 47
AA_BD71 47 AA_BD74
9 2Y1 1Y4 12
AH_D211
10 GND 2A1 11
BUFFER
C7551 C7573
16V 6.3V
1 1OE VCC 20
1u 10u
AH_D215
2 1A1 ^2OE 19
R7574 R7578 47
AA_BD72 47 AA_BD75
3 2Y4 1Y1 18
AH_D216 AH_D212
4 17
1A2 2A4
R7575 R7579 47
AA_BD73 47 AA_BD76
5 16
2Y3 1Y2
AF_D204 AH_D213
6 1A3 2A3 15
R7576 R7580 47
AD_BD61 47 AD_BD64
7 2Y2 1Y3 14
AF_D205 AF_D201
8 1A4 2A2 13
AD_BD62 R7577 47 R7581 47 AD_BD65
9 12
2Y1 1Y4
AF_D202
10 GND 11
2A1
BUFFER
C7574
C7552
6.3V
16V
1 20
1OE VCC 1u 10u
AF_D206
2 19
1A1 ^2OE
AD_BD63 R7590 47 R7594 47 AD_BD66
3 18
2Y4 1Y1
AG_D194 AF_D203
4 17
R7591 47 1A2 2A4 R7595 47
AC_BD51 AC_BD54
5 16
2Y3 1Y2
AG_D195 AG_D191
6 15
1A3 2A3
AC_BD52 R7592 47 R7596 47 AC_BD55
7 14
2Y2 1Y3
AG_D196 AG_D192
8 13
R7593 47 1A4 2A2 R7597 47
AC_BD53 AC_BD56
9 12
2Y1 1Y4
AG_D193
10 11
GND
2A1
2 3
D7504
R7614
0
R7615
0
CLOCK BUFFER
1 20
1OE VCC
AE_PCL
2 19
1A1 2OE
R7606
AJ_LE5
3 18
2Y4 1Y1
47
AE_CLKL 4 17 AE_CEL
1A2 2A4
AJ_LE6 R7607
5 16
2Y3 1Y2
47
6 15
1A3 2A3
R7608
AJ_LE7
7 14
2Y2 1Y3
47
AE_NCLKL
8 13
1A4 2A2
R7609
AJ_LE8
9 12
2Y1 1Y4
47
10 11
GND 2A1
R7624
120
TO
DATA
TERM
DRIVER
R7589
120
TO
DATA
TERM
DRIVER
4
TO C33
C4-BOARD
(C43)
Vda67V
1
Vda67V
2
Vda67V
3
Vda67V TO
4
SS-BOARD
NC
5
(SS42)
NC
6
C42
NC
7
5V 1
Vda 75V
NC
8
2
Vda 75V
NC
9
3
GND
NC
10
4
GND
NC
11
C7502
C7501 NC
6.3V 12
16V
10u
1u NC
13
R7612 NC
14
AJ_PCL
0
GND
15
R7508 GND
AJ_CLK12 16
0 GND
17
GND
18
GND
19
GND
R7510 20
AJ_CLK22
0
R7626
120
75V 75V
R7530 R7531
R7515 R7516
22 22
22 22
75V
L7512
J0JJC0000011
C7539 C7514
C7513
100V 100V
0.1u
0.1u
0.1u
100V
R7622
120
75V 75V
R7512
R7532 R7533
R7511
22
22
22 22
75V
L7513
J0JJC0000011
C7541 C7512
C7511
0.1u
100V 0.1u
100V
0.1u
100V
5 6
R7507
0
75V 75V
C7507
R7506
0.1u
220k
100V
1
2
3
C7554
100p
50V
5V
4
C7504
16V
1u
Vda 75V
5
6
C7553
100p
50V
5V
C7503
16V
1u
Vda 75V
TH-42PX20U-P
C3-BOARD (1 of 2) Schematic Diagram
7 8