Panasonic TH-42PX6U Service Manual page 190

TH-42PX600U
15.8. P-Board (5 of 6) Schematic Diagram
BA BB BC BD BE BF BG BH BI
A
IC412
ON3171
PHOTO
B
COUPLER
C
D
E
F
TH-42PX600U
P-Board (5 of 6) Schematic Diagram
1 2
BJ BK
R939
1K
IC403
Q568
R955 C659
0.01 ON3171
47K 2SJ463A
R956 PHOTO
100K
COUPLER
R630 R678
4.7K 0
R558
Q512
R557 470K
2SK3018
100K
C612
0.01
IC405
ON3171
R950
C533
1M
0.01
PHOTO
COUPLER
R514
100K
R714
100
R525
R686
1000 47K R509 R519
100K
100K
R602
3300
Q551
2SK3018
R689
1000
R606
C510
0.1 1200 C608
0.01
C506
0.01
24 23 22 21
P30 P31 P00 P01
IC501
M34509G4FP
VDD VSS XIN XOUT
1 2 3 4
C504
1.0
X501
4MHz
Q501
2SD1820A
R506
1000
Q502
2SD1820A
R504
1000
C501 R502
100K
0.01
C502 R503
0.01 100K
C505
1000P
3 4
TO
P-BOARD
(3/6)
P-BOARD TXN/P1BFTU (5/6)
HOT
R487
4.7K
R940
1K
IC404
IC401
ON3171
ON3171
PHOTO PHOTO
COUPLER COUPLER
HOT
COLD
R508
1000
R538
R511
100K 100K
R510
100K
R936
10K
20 19 18 17 16 15 14 13
P02 P03 P10 P11 P12 P13 D0 D1
R715
100
POWER MCU
CNVSS Reset P21 P20 D5 D4 D3 D2
5 6 7 8 9 10 11 12
C519 R535
1.0 R520 R513 1000
100K 100K
R515
R516
1000
1000
R575
1000 R518
1K
1 5
IC502
R517
10K
2 R3111N401C
D588
RESET 02DZ3.3
3 4
5 6
76
BL BM BN
COLD
R683
33K
R505
33
R546
1000
R684
D505
10K Q569
D1NS4
R580
2SK3018
47K
C607 Q561
Q563 C509
1.0
2SK2090 100/25V 2SD1819A-RTX
C511 C638 R578
R935 1000P 0.01 47K
100K
R609
1000
R615 R532
10K 1K Q558
2SD1819A-RTX
R611
47K
D515 C613 R610
0.01
02DZ3.3 47K
Q554
RSR025P03
C610
1.0
R618
100K
D512
D559 MA111
02DZ7.5
R617
Q535
10K
D555
R501
2SD1819A 02DZ7.5
22K
D513
R616
10K MA111
Q553
C583 2SD1819A-RTX
R512
1000P 22K
R687 C626
10K 0.01
R536
1000
R581
47K
Q557
2SD1819A-RTX
R548
1000
R586
C639 C631 47K
R577 Q559 R583
0.01 47K 0.01 47K
2SD1819A-RTX
TH-42PX600U
P-Board (5 of 6) Schematic Diagram
7 8
BO
31
32
33
34
35
36
37
38
39
40
41
R554
1000
R552
10K
42
D590
02DZ3.3
43
44
45
46
9