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TH-42PX50U / TH-42PX500U
5.4.
P-Board (2 of 6) Schematic Diagram
P-BOARD TNPA3724AB (2/6)
COLD
HOT
1
2
9
6
5
10
HOT
T402
G4D1A0000098
COLD
2
3
4
C646
C647
330P
330P
R668
R667
0
0
C527
C643
R713
4.7
47
4700
16
15
14
13
12
11
10
9
IC520
C9ZB00000496
POWER CONTROL
1
2
3
4
5
6
7
8
R591
1M
C534
R613
C574
C528
470P
16K
0.1
1.0
R922
100
C554
1.0
AA
TH-42PX50U, TH-42PX500U
P-Board (2 of 6) Schematic Diagram
10
11
COLD
HOT
ZH79
ZH86
T404
ZH99
Q412
G4D4A0000109
B1DEGQ000070
13
D423
MA188
B0HBRP000007
ZH94
9
14
R478
ZH81
R476
C451
180
22
100P
Q408
1
ZH72
ZH74
B1CHND000004
B0HAPR000012
C457
3
ZH78
0.033u
D425
MA188
Q413
B1DEGQ000070
2
R477
R482
22
ZH80
180
4
Q409
B1CHND000004
15
B0JBSG000026
7
ZH59
ZH60
J501
8
LSJW0001
ZH85
ZH91
ZH82
J502
11
6
LSJW0001
5
T407
2
1
R675
R663
2.2
ETQ11K5AZ
2.2
6
5
4
D568
D528
D529
MA142WA
MA3X15300L
MA3X15300L
R572
R573
R588
390
390
390
C550
1000P
R592
3000
R551
100K
D530
R712
MA4100-MTA
0
C620
0.01
R593
5600
R582
10K
R596
10K
R562
R560
18K
13K
R614
R547
3300
1000
Q510
B1DHBD000004
Q541
R659
R584
30K
B1CBGD000001
10K
3
6
2
5
R537
C587
R574
R660
36K
0.01
4
1
R561
330
12K
Q509
4300
XN0440100L
R576
12K
R661
C530
R585
Q516
5K
Vlow
0.033
33K
B1DHBD000004
AB
AC
AD
AE
12
13
R631
R674
R676
33K
33K
33K
C605
ZH53
180u/160V
ZH57
ZH58
Q527
ZH52
B1DEHL000018
ZH65
ZH84
ZH83
C604
180u/160V
ZH63
ZH56
MAZ41500MF
D539
R624
0.22
ZH66
ZH62
R680
R632
0.39
220
D531
D542
MTZJT-7722B
R698
0.39
D532
C555
D544
2
220u/100V
B0HAPR000012
MTZJT-7722B
R655
0.39
D545
MTZJT-7722B
R679
0.39
D536
B0JBSL000013
C557
25V/1500
D534
C556
1500u/16V
R567
4.7k
C606
1.0
L509
J0JBC0000032
R670
1000
R645
47K
R666
1000
R597
R598
47K
Q517
47K
R600
B1HFCFA00021
R599
390
390
1
3
1
3
5
2
5
2
D551
R545
6
4
10K
MA4130-M
6
4
C547
C548
0.033
Q520
0.1
D574
B1HFCFA00021
C553
MA111
0.1
R683
D579
R579
C546
150
MA111
10K
D549
0.033
R681
B0BA7R200003
150
R607
D538
8200
R609
MA3051-MTX
R682
8200
C551
C552
2200
0.1
R612
2200
TO
P-BOARD
(4/6)
14
15
16
P12
K1KA10AA0194
1
Vdat
2
Vdat
3
NC
4
+15V
5
GND
6
GND
7
GND
8
STB_12V
9
NC
C624
0.01
D543
10
STB_PS
R662
130K
C625
10
R669
C581
C584
130K
0.022
0.022
D588
R664
C577
B0HAMP000067
R528
9100
33u/100V
4.7
P23
K1KA03AA0193
3
1
1
+15V
VR352
Vda
2000
R531
2
+15V
4.7K
3
GND
IC512
TO
D572
C0DAEMB00004
MA188
SC-BOARD
ERROR DET(Vda)
(SC23)
P5
K1KA11AA0194
1
+12V
2
+12V
3
GND
4
+15V
5
GND
6
+12Vs
7
+12Vs
8
+12Vs
9
GNDs
10
GNDs
11
GNDs
TO
PB-BOARD
(PB5)
D521
R563
B0HAMP000067
2.2
D535
MA188
PR509
K5H501Z00005
Z1
L510
K4ZZ01000206
EXCELDR25C
1
D569
MA4300-M
D570
MA4300-M
D571
MA4300-M
R649
Q508
22K
XN450100L
0.1
C523
R641
C601
R650
1.0
47K
0.01
10K
TH-42PX50U, TH-42PX500U
P-Board (2 of 6) Schematic Diagram
16
17
TO
SS-BOARD
(SS12)
AF
AG
AH AI
AJ
AK
AL
AM
AN
18
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