Panasonic TH-42PX20U-P Service Manual page 254

L4506
JW
C4512
10V
97mA (HD) 1[ZF]
MAIN5.0V
C4793
Q4501
16V R4501
0
220
MAIN_Y
2SD1819A-TX
R4504 R4510
L4502
0 240
1% 1.5
C4503
R4505
50V
680
Q4504
5P[CC]
2SB1218A-RTX
30MHz 14MHz
C4795
16V R4502
0 220 Q4502
MAIN_PB
2SD1819A-TX
R4506 R4511
0 220
1%
R4507 C4504
680
50V
47p
C4797
16V R4503 C4508
Q4503
0 220 50V
MAIN_PR
22p
2SD1819A-TX
R4508
R4512 L4504
0 220 5.6
1%
C4505
50V
R4509
47p
680
9V C4533
L4501
JW
=
C4502
C4501
16V 10V
0.01
33/10V
5V 3.3V
1 5
Vin Vo
C4799 C4800
C4801
16V 16V C4802 C4803
47 1 16V 50V 4V
2
GND
1 0.01[KB] 100
3 4
Nr
ON/OFF
C4804
16V
IC4521
0.1
PQ1X331M2ZP
PQ1X331M2ZP
AVR 3.3V
23
96
C4529
16V
0.1
AVR 3.3V
R4539
0
IC4508
C0CBCBD00006 3.3V
C4527
PQ1X331M2ZP
16V C4530
L4507
0.1
10V
3.3V JW
1 5
Vin Vo
C4525
4V
C4522 C4523
C4531
100
2
GND 10V 16V
10V
1[ZF] 0.01
ON/OFF
3 4
Nr
C4532
C4521
Q4510
16V 10V
2SD1819A-TX
0.1
R4536
22 C4528
16V
R4527
0.1
150
R4534 R4540
330 22
C4514
C4519
10V
C4506
R4523
6.3V
50V 33/10V
2.2k
5P[CC] 10
L4505 R4521
3.3 220
Q4508
1%
2SB1218A-RTX
C4511
R4522
50V
C4513 750
22p
1%
50V
100p
R4515
10K
Q4507
2SD1819A-TX
R4516
10K
C4507
R4519
50V
2.2k C4516
22p
25V
10
NP
L4503 R4513
5.6
330
Q4505
1%
C4509
2SB1218A-RTX
R4517
50V
2.4k
120p
1%
R4525
0
R4520
2.2k
C4518
NP
R4514
25V 10
330
Q4506
R4524
0
2SB1218A-RTX
1%
C4510
R4518
50V
2.4k
120p
1%
AVR 3.3V
5V 3.3V
1 5
Vin Vo
C4534
C4539 C4541 C4542
16V 16V
16V 50V
47 1 4V
2
GND 0.01[KB]
1 100
3 4
Nr
ON/OFF
C4540
16V
IC4503
0.1
PQ1X331M2ZP
PQ1X331M2ZP
R4785
OSD_R 2200 M_OSD_R
R4787
2200
OSD_G M_OSD_G
R4786
2200
OSD_B M_OSD_B
R4758
100
M_YS
1%
5 4
3.3V
OUT
IC4520 OR GATE
C0JBAE000146
B
A GND
1 2 3
R4739
100
OSD_YS
R4791
R4757
1%
0
100
M_YM
1%
5 4
OUT
IC4519
OR GATE
C0JBAE000146
B A GND
1 2 3
R4738
100
OSD_YM
1%
R4792
0
24
HD_Y
A/D
IC4515
3.3V
C4537
C0FBAF000040
100
(ANALOG DEVICES)
4V
R4544
EXB38VR000V
1 28
OTR D9
2 27
OFS/GAIN D8
3 26
REFSENSE D7
4 25
D6
REFOUT
MAIN C4535
5 24
AGND1 DRVDD2
1[ZF]
R4545
10V 1[ZF]
6 23
AVDD1 DRVGND2 EXB38VR000V
Y
7 22
D5
AVDD2
8 21
AGND2 D4
1[ZF] 10bit
9 20
VINT D3
A/D
10 19
VINC
D2
11 18
AD9214
AGND3
D1
1[ZF]
12 17
AVDD3 D0
80MSPS
13 16
CLK DRVDD1
14 15
PDWN DRVGND1
C4536
10V
R4546
1[ZF]
R4542
EXB38VR000V
1k
R4543
0
R4529
Q4511
33
2SD10300TL
R4535
470
R4526
0
R4530
10K
R4531
33 Q4512
2SD10300TL
Q4509
2SB1218A-TX_M
R4537
470
R4532
33
Q4513
2SD10300TL
R4538
470
MAIN5.0V
C4543
16V 1
1 70
VCC VSS
2 69
CS NC
3 68
CSMODE NC
4 67
NC NC
5 66
VSS VCC
AX_FO0
6 65
DI0 DI9
AX_FO1
7 64
DI1 DI8
8 63
NC NC
AX_FO2
9 62
DI2 DI7
10 61
VSS VSS
AX_FI0
11 60
DO0 DO9
AX_FI1
12 59
DO1 DO8
13 58
VCC VCC
C4544
14 57
NC NC
16V 1
AX_FI2
15 56
DO2 DO7
16 55
VSS VSS
C4545
17 54
VSS VSS
1
16V
18 53
VCC VCC
19 52
VCC VCC
AX_FI3
51
20
DO3 DO6
C4546
21 50
NC NC
16V 1
22 49
VCC VCC
C4547
23 48
NC NC
16V 1
AX_FI4
24 47
DO4 DO5
25 46
VSS VSS
AX_FO3
26 45
DI3 DI6
27 44
NC NC
28 43
NC NC
AX_FO4
29 42
DI4 DI5
30 41
VSS VCC
31 40
OE IE
AX_RE
32 39
RE WE
AX_RR
33 38
RSTR RSTW
C4548
34 37
SRCK SWCK
16V 1
35 36
VCC VSS
5M_FIFO_MEMORY
TH-42PX20U-P
DG-BOARD (3 of 7) Schematic Diagram
25
AT_YUV9
AT_YUV8
AT_YUV7
AT_YUV6
AT_YUV5
AT_YUV4
AT_YUV3
AT_YUV2
AT_YUV1
AT_YUV0
AT_CLK
MAIN3.3V
C4553
16V 1
AX_FO9
AX_FO8
AX_FO7
AX_FI9
AX_FI8
C4554
16V 1
AX_FI7
C4555
1
16V
AX_FI6
C4556
1
16V
C4557
16V 1
AX_FI5
AX_FO6
C4558
16V 1
AX_FO5
AX_WE
AX_WR
AX_CLK
26
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
27