P-Board (5 Of 6) Schematic Diagram (37Inch) - Panasonic TH-37PX50U Service Manual

TH-37PX50U / TH-42PX50U / TH-50PX50U

13.10. P-Board (5 of 6) Schematic Diagram (37inch)

BA BB BC BD BE BF
A
B
HOT
COLD
C
D
E
P-BOARD TNPA3570AB (5/6)
F
TH-37PX50U
P-Board (5 of 6) Schematic Diagram
1 2
BG
TO
P-BOARD
(3/6)
IC411
COMPARATOR
Q417 (AC IN)
C0BBAA000040
B1CHND000004
5
R404 C405
100K 0.01[KB]
5 4
R416
1
3300
R408
100K
1
2 3
R453
1000
Q403
B1CBGD000001
C421
0.01[KB]
R418 D402 C402 C471 D403 R425 C410
47K
R420 C411 MA4240-M 100p 1[KB] MA4051N-MKT 3300
0.01[KB] 1[KB]
470K
IC403
CNC1S171RLL2
HOT
PHOTO
COLD
COUPLER
C612
0.01[KB]
C593 R541 R538
R514 R510
0.22[KB] 100K 100K
100K 100K
R525
R540
47K
R509 R519
1000
100K 100K
R602
R686
3300[F] Q550
1000
B1CHGD000006
Q551
B1CBGD000001
R689
1000 C510
0.1[KB] R606
1200[F] C608
0.01[KB]
R625
100K
C506 0.01[KB]
24 23 22 21 20 19
P30 P31 P00 P01 P02 P03
IC501
C2ABDD000064
POWER MCU
VDD VSS XIN CNVSS Reset
XOUT
1 2 3 4 5 6
C504
1[KB]
C519
1[KB]
X501
4MHz
R690
R571
10K
10K
R640 R653
10K 10K
Q501
2SD1820A0L
R568
180
R506
1000
IC502
Q503
R569 Q502
XN0440100L
180
2SD1820A0L COEBH0000190
RESET
R504
R502 1000
100K
R503
C502 100K
0.01[KB]
3 4
BI BJ BK
BH
IC402
4
C0BBAA000040
COMPARATOR
(PFC DET)
R494
R487
560K[F] 6800
2 3
R495
R486
560K[F]
6800
HOT
R496
560K[F]
Q421
R497
C482
24K[F] Q418 2SD1819ARL
R693 0.1[KB]
2SD1819ARL
C418 4700
1[KB]
R450
R480 1000
C422
91K[F] R692
0.01[KB]
4700
C635
0.01[KB]
IC401 IC404
CNC1S171RLL2 CNC1S171RLL2
PHOTO
COUPLER
R508
1000
PHOTO
COUPLER
R511
100K
R651
47K
18 17 16 15 14 13
R523
1000
P10 P11 P12 P13 D0 D1
Q552
B1CBGD000001
C636
P21 P20 D5 D4
D3 D2 1[KB]
7 8 9 10 11 12
R535
1000
R520 R513
R615
100K 100K R610
10K 10K
R516 R515
1000
1000
R611 R623
10K 10K
C507
C503
0.01[KB] 0.01[KB]
Q544
XN0440100L
R517
10K
C505
1000P[KB]
5 6
118
BL
COLD
PR503
K5H502Z00003
R684
R505
22K
33
Q536
B1CFQD000001
R685
D505 100K
AW04V0
C607
C509
100/25V 1[KB]
R557
470
R677
220K
Q537
B1CFQD000001
R678
22K
Q554
R688 B1DHBD000004
Q538
22K
B1CFQD000001
R575
1000 C609
0.01[KB]
C610
4 5 R694 1[KB]
100K
IC507
R618
C0CBABE00023 100K
+5V REG
3 2 1
D559
MA4075-M
R617
10K
Q553
C637
0.1[KB]
2SD1819ARL
Q535
2SD1819ARL D555
R501 R616
MA4075-M
22K 10K
R687 C626
0.01[KB]
10K
R512
22K
C583
1000P[KB]
R581
47K
R536
1000
R518
100
R532
R542
100
R586
47K
Q557 1000
2SD1819ARL
C508
0.01[KB] Q559
R577 R583 R697
2SD1819ARL
2SD1819ARL
47K 47K 100K
R546
1000
C639 C631
0.01[KB]
0.01[KB]
TH-37PX50U
P-Board (5 of 6) Schematic Diagram
7 8
BM
31
32
33
34
35
36
37
38
C623
10/50V
39
40
41
42
43
44
Q561
R580
47K
45
R578
47K
46
C638
0.01[KB]
47
48
49
50
51
52
9