Panasonic TH-42PX6U Service Manual page 187

15.5. P-Board (2 of 6) Schematic Diagram
COLD
HOT
ZH73
1
PR401
F 5A 250V
D423
MA188
R476
R478
180 22
Q408
RSR025P03
D425
MA188
R477 R482
180 22
Q409
RSR025P03
2
3
HOT T402
MT180 C469
220P
COLD
R668 R667
0 0
C503
C508
470P 470P
R713 C527
R951 R952 R697
10 10 4700 4.7 4.7 C620
C643
C655 R690
0.01 47/50V
1.0 4.7
C656
2.2
16 15 14 13 12 11 10 9
IC520
R596
100
LSSK0062
POWER CONTROL
1 2 3 4 5 6 7 8
C534
470P
R591
1M R614
3300
R931
R922 33K
100 R613
24K
Q538
C574 R574
0.1
2SK3018 330
C554
C528
1.0
1.0 C530
R932 C650
0.033
100K 0.1
R933
1K
AA AB AC AD
TH-42PX600U
P-Board (2 of 6) Schematic Diagram
10 11
COLD
P-BOARD TXN/P1BFTU (2/6)
HOT
R567 C605
1M 150u/200V
ZH65 ZH62
ZH75
R568
C604
1M 150u/200V
D540
D539
ZH79 SF8L60
ZH94 SF8L60
T404
ETS42LA115AD
Q412
2SK3683 ZH64
ZH86
ZH66
R680
ZH99
C451 R698
100P
ZH81
R655
D531
RF2001T3D
ZH72 ZH74
R587
ZH78 C457 C520
0.033u 0.068u
R711
Q413
2SK3683 R679
D586
R696
1SR153
10
ZH80
R571
C603
1M 1.0
D536
SF20JC6
J501 C556
LSJW0001 1500u/25V
C557
ZH91 1500u/25V
J502
LSJW0001
ZH82 ZH85
R598
R682
33K
1 2 20K
T407 R673
1K
ETQ11K5AZ
6 5 4
Q520
HN1C01F
D528 D529
MA3X15300L MA3X15300L R600 C546
390
1000P
R572 R573 R588
390 390 390
R712
4.7
R592
3000
D530
02DZ10
R593
5600
C550
330P
R551 R582 R584
10K
330K 10K
D520
R562 R560
MA111
4.7K[F] 9.1K
Q509
Q541
HN1A01F
Q510 Q565 2SK3018
Q564 R659
Q566
VLOW DET 30K
RSR015P03 2SB1218AR 2SB1218AR
2SD1819A-RTX
R537
C587
R660
100K 3300P
12K
R561
5.1K
R576
12K
D598
02DZ5.1 R585 R661
D538
33K 5K
02DZ5.1
Vlow
AE
12 13
R631
33K
R597
R607
33K 22K
R674
Q517
R672
33K
HN1C01F 1K
R676
IC512
33K
Q527
TL431A1LPM5
2SK2882
ZH84 ZH83
ERROR DET(Vda)
R599
R624 R635
390 0.22/2W WA5001
0.16 C547
D543
1000P
02DZ15
0.16
0.16
L514 R632
10uH 220
D542
MA4200-M
0.16
C555
470u/100V
D544
0.16 3 2
MA4200-M
0.16
D545
D516 MA4200-M
MA4330-M
D517
MA4330-M C571 33P
D518
MA4330-M
R953
2.2K
5 6 7 8
R565
1M
Q555 R633
RSS130N03 1M
DC/DC CONV.
R629
1M R566
1M
4 3 2 1
R688
1K R564
100K
R570
D507
100K
02DZ7.5
R555
1M
C526
0.022[KB]
R638
1K
D521
R563
D1NS4
2.2
D535
PR509
F MA188
R937
1K
R670
1000
D569
02DZ24Z
R666
D570
1000 02DZ24Z C523
1.0
R545 D551
02DZ13
10K
D571
02DZ24Z
D574
MA165
D572
02DZ24Z
Q508
D549
D579 R579
HN1C01F
MA165 10K 02DZ24Z
VLOW DET
R675
22K
C552
0.1
C551
D602 R641
R645 0.1
47K
100 02DZ8.2
R653
C657 R651
33K
1000P 10K
AF AG AH
TO
P-BOARD
(4/6)
14 15
73
TO
P12
SS-BOARD
67.0
Vda
1 (SS12)
67.0
2 Vda
0
3 NC
15.0
+15V
4
0
5 GND
0
6 GND
0
C624
7 GND
0.01
12.0
STB_12V
8
0
9 NC
R662
12.0
150K
C625 10 STB_PS
10
R669
C581 C584
130K
0.022 0.022
C577
R664
9100 33/100V
P23
15.0
1
R665 Vda 1 TO
+15V
2000
15.0
2 SC-BOARD
+15V
0 (SC23)
3
GND
14.0
1 F_STBY
14.0
2 F_STBY
14.0
3 F_STBY
0
4 GND
0
5 GND
5 6 7 8
0
6 GND
TO
Q556
P10 PA-BOARD
RSS130N03
DC/DC CONV. (PA10)
4 3 2 1
P5
15.0
R685
1 +15Vc
1K D508
02DZ7.5 15.0
2 +15Vc
0
3 GND
15.0
R556 4 +15Vc
C562 1M
0
0.022
5 GND
15.0
6 +15Vs(S)
15.0
7 +15Vs(W)
15.0
8 +15Vs(W)
0
9 GNDs(S)
0
10
GNDs(W)
0
11 GNDs(W)
TO
PA-BOARD
(PA5)
Z1
L510
EXCELDR25V
1
R649
22K
C601
R650
0.01 10K
AI AJ AK
TH-42PX600U
P-Board (2 of 6) Schematic Diagram
16 17
TH-42PX600U
AL AM AN AO AP AQ AR AS AT
18