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TH-42PX50U / TH-42PX500U
5.6.
P-Board (4 of 6) Schematic Diagram
AA
11
12
Q519
B1DEHF000002
13
C562
0.15
C525
820/25V
D508
MA4150-M
14
R564
470K
R635
R559
100K
47K
R566
100K
Q558
B1CHHG000002
IC503
C0DAEMB00004
R629
100K
ERROR DET
2
3
1
15
16
R553
4700
C511
330
R539
10K
Q562
2SD1819A
17
R558
330K
18
Q564
2SD1819A
R633
330K
C533
R630
R549
R917
0.01
47K
330K
1000
R918
10K
Q567
B1CBGD000001
19
20
D567
R920
WA5001=5
100K
Q512
21
R707
B1CBGD000001
1000
R708
100K
22
23
TH-42PX50U, TH-42PX500U
P-Board (4 of 6) Schematic Diagram
10
11
AB
AC
AD
AE
TO
PA-BOARD
(PA10)
P10
K1KA06A00452
1
F_STB_14V
2
F_STB_14V
3
F_STB_14V
GND
4
5
GND
6
GND
C591
0.015
R654
100
C592
0.015
B1CHND000004
R696
10
C640
0.1
D586
B0HAMP000067
8
7
6
5
Vcc
GD
GND
ZCD
R608
3300
IC509
C603
47
C0DABZZ00010
DC-DC CONVERTER
L502
1mH
INV
COMP
VFF
CS
1
2
3
4
R695
R657
16K
C518
1000
1.0
C633
0.01
R652
9.1K
R601
47K
R671
R603
10K
C634
3300
1000P
Csus
R543
2200
CA
CB
CC
CD
CE
CF
CG
CH
12
13
TO
P-BOARD
(2/6)
PR601
K5G312B00012
T 3.15A 250V
R620
10K
ZH25
ZH29
ZH47
C615
C611
D501
220V
220V
R589
1400u
1400u
12K
B0HANR000016
ZH46
ZH39
ZH26
R590
ZH24
ZH45
ZH44
ZH23
12K
R621
12K
R526
220K
9
6
Q507
R527
ZH27
B1DAGQ000013
220K
C616
D587
1000P
R534
MA188
220K
R533
ZH28
22K
5
4
3
Q506
T601
G4D1A0000116
R646
R647
22K
22K
R644
R642
R637
R639
0.68
0.68
0.68
0.68
D582
MA7056
R634
R619
R638
R643
0.68
0.68
0.68
0.68
R595
2200
4
1
IC505
CNC1S171R
PHOTO
3
2
COUPLER
TO
P-BOARD
(6/6)
14
15
18
P-BOARD TNPA3724AB (4/6)
TO
SS-BOARD
(SS11)
P11
K1KA07AA0192
1
NC
2
Vsus
R622
3
Vsus
150K
4
NC
R648
150K
GND
5
IC506
6
GND
R636
150K
C0ZBZ0000878
7
GND
R626
ERROR DET(Vsus)
150K
P2
K1KA06AA0192
Q505
1
VSUS
B1CEJQ000002
2
VSUS
Q525
B1CBGD000001
R656
3
NC
4
5
Q530
47K
R658
B1CBGD000001
1M
4
GND
5
GND
R627
6
GND
3
2
1
7500
D575
C641
MA188
TO
C629
1000P
VR351
0.01
SC-BOARD
3K
(SC2)
D584
B0BA7R200003
Vsus
C619
0.1
R691
100K
CI
CJ
TH-42PX50U, TH-42PX500U
P-Board (4 of 6) Schematic Diagram
16
17
AF
AG
AH
AI
AJ
AK
AL
AM
AN
CK
CL
CM
CN
CO
18
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