Panasonic TH-42PX20U-P Service Manual page 149

TO
PA-BOARD
(PA2)
11
AVR 12V
3
GND
IC4810
PQ12SZ1T
VIN VO
TP4411
1 2
TP4578
C4828 C4829 C4830 C4831
47/16V
50V 6.3V 50V
0.01 47/16V 0.01 6.3V
12
13
14
15
16
17
18
19
20
MAIN9V
21
DG42
101
201
301
102 401
202
302
103 402
203
303
104 403
204
304
105 404
205
305
106 405
206
306
107 406
207
307
108 407
208
308
109 408
209
309
C 110 409
210
310
111 410
211
311
112 411
212
312
113 412
213
313
114 413
214
314
115 414
215
315
116 415 9.5V
216
316 L4562
117 416
J0JGC0000021
217
317
417
22
23
DG-BOARD
!
TNPA2816AB
(3/7)
24
25
TH-42PX20U-P
DG-BOARD (3 of 7) Schematic Diagram
19 20
Q003
Q_SMIN_NPN
R005
2K
R006
R4818
1500
0
12V
21 22
AVR 3.3V
IC4508
C0CBCBD00006
3.3V
PQ1X331M2ZP
L4506
L4507
JW
3.3V JW
1 5
Vin Vo
C4512 C4525
10V 4V
C4522
97mA (HD) C4523
1[ZF] 2 100
MAIN5.0V GND 10V 16V
1[ZF] 0.01
3 ON/OFF 4
Nr
C4521
Q4510
16V
2SD1819A-TX
0.1
R4536
22
R4527
150
R4534
330
C4793 C4514
Q4501 10V
16V R4501 C4506
0 220 50V 33/10V
MAIN_Y
2SD1819A-TX 5P[CC]
R4504 R4510
L4502 L4505 R4521
0
240 1% 1.5 3.3 220
1%
C4511
C4503
R4505 R4522
50V 50V
750
680 C4513
5P[CC] Q4504 22p 1%
50V
2SB1218A-RTX 100p
R4515
10K
Q4507
2SD1819A-TX
30MHz 14MHz R4516
10K
C4795
16V C4507
R4502 R4519
50V
0 220 Q4502 2.2k
MAIN_PB
22p
2SD1819A-TX
R4506 R4511 L4503 R4513
0 220 5.6
1% 330
Q4505
1%
R4507 C4504 C4509
2SB1218A-RTX
680 50V R4517
50V
2.4k
47p 120p
1%
C4797
16V R4503 C4508 R4520
Q4503
0 220 50V 2.2k
MAIN_PR
22p
2SD1819A-TX
C4518
NP
R4508 R4512 L4504 R4514
25V 10
0 220 5.6 330 Q4506
1%
1% 2SB1218A-RTX
C4505
C4510 R4518
50V
50V
R4509 2.4k
47p
680 120p 1%
AVR 3.3V
5V 3.3V
1 5
Vin Vo
L4501 9V C4533 C4534
16V 16V C4539
JW
47 1 16V
2
GND 1
=
C4501 C4502
16V 10V 3 4
Nr
0.01 33/10V
ON/OFF
C4540
16V
IC4503
0.1
PQ1X331M2ZP
PQ1X331M2ZP
R4785
OSD_R 2200
R4787
2200
OSD_G
R4786
2200
OSD_B
R4758
5V 3.3V 100
1 5
Vin Vo
C4799 C4800 1%
16V 16V C4801 C4802 C4803
16V 50V 4V 5 4
47 1 2
GND
1 0.01[KB] 100
3.3V
OUT
3 4 IC4520 OR GATE
Nr
ON/OFF C0JBAE000146
C4804
B A
16V GND
IC4521
0.1
1 2 3
PQ1X331M2ZP
R4739
100
PQ1X331M2ZP
OSD_YS
R4791 R4757
1%
AVR 3.3V 0 100
1%
5 4
OUT
IC4519
OR GATE
C0JBAE000146
B A GND
1 2 3
R4738
100
OSD_YM
1%
R4792
0
23 24
HD_Y
A/D
IC4515
3.3V
C4529
C0FBAF000040 C4537
16V
100
0.1
(ANALOG DEVICES)
4V R4544
EXB38VR000V
R4539 AT_YUV9
1 28
0
OTR D9
AT_YUV8
2 27
OFS/GAIN D8
AT_YUV7
3 26
REFSENSE D7
AT_YUV6
C4527 4 25
REFOUT D6
16V C4530 MAIN C4535
5 24
0.1 AGND1 DRVDD2
10V 1[ZF]
10V 1[ZF] R4545
6 23
AVDD1 DRVGND2 EXB38VR000V
Y AT_YUV5
7 22
D5
AVDD2
C4531 AT_YUV4
8 21
AGND2 D4
10bit
10V 1[ZF] AT_YUV3
9 20
VINT D3
A/D AT_YUV2
10 19
VINC D2
AT_YUV1
C4532 11 18
AD9214
AGND3 D1
10V 1[ZF] AT_YUV0
12 17
AVDD3 80MSPS D0
13 16
CLK DRVDD1
C4528
14 15
16V PDWN DRVGND1
0.1
C4536
10V
R4546
R4540 1[ZF]
R4542 EXB38VR000V
22 1k
R4543
AT_CLK
0
C4519
R4523
6.3V
2.2k R4529
10 Q4511
33
2SD10300TL
Q4508
2SB1218A-RTX R4535
470
R4526
0
R4530
10K
R4531
C4516
33 Q4512
25V
10 2SD10300TL
NP Q4509
2SB1218A-TX_M
R4537
470
R4525
0
R4532
33 Q4513
2SD10300TL
R4524
0
R4538
470
MAIN5.0V
MAIN3.3V
C4543
16V 1
1 70
VCC VSS
2 69
CS NC
C4541 3 68
C4542 CSMODE NC
50V 4V C4553
4 67
0.01[KB] NC NC
100 16V 1
5 66
VSS VCC
AX_FO0 AX_FO9
6 65
DI0 DI9
AX_FO1 AX_FO8
7 64
DI1 DI8
8 63
NC NC
AX_FO2
9 62 AX_FO7
DI2 DI7
10 61
VSS VSS
AX_FI0
11 60 AX_FI9
DO0 DO9
M_OSD_R AX_FI1
12 59 AX_FI8
DO1 DO8
13 58
VCC VCC
C4544 C4554
14 57
M_OSD_G NC NC
16V 1 16V 1
AX_FI2 AX_FI7
15 56
DO2 DO7
16 55
VSS VSS
M_OSD_B C4545 C4555
17 54
VSS VSS
1 1
16V 16V
18 53
VCC VCC
19 52
M_YS VCC VCC
AX_FI3
20 51 AX_FI6
DO3 DO6
C4546 C4556
21 50
NC NC
16V 1 16V 1
22 49
VCC VCC
C4547 23 48 C4557
NC NC
AX_FI4 16V 1 16V 1
24 47 AX_FI5
DO4 DO5
25 46
VSS VSS
AX_FO3
26 45 AX_FO6
DI3 DI6
27 44
NC NC
C4558
28 43
NC NC
16V 1
AX_FO4
29 42 AX_FO5
DI4 DI5
M_YM
30 41
VSS VCC
31 40
OE IE
AX_RE
32 39 AX_WE
RE WE
AX_RR
33 38 AX_WR
RSTR RSTW
C4548 34 37 AX_CLK
SRCK SWCK
16V 1
35 36
VCC VSS
5M_FIFO_MEMORY
TH-42PX20U-P
DG-BOARD (3 of 7) Schematic Diagram
25 26
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
27