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P-Board Block Diagram
D510
D509
350V
X5014NHz
Q527
D534D536
R443
R6611
2
3
D545D544D542
D555
D521
R665
1
2
3
D535
PR509
D532
D531
R628
R671
D530
D568
Q409
Q408
Q413
Q412
PR503
D417
D420
D419
C405
L403
D404
D462
D401
D511
D567
PR501
D444
1
2
IC408
4
2
1
3
1
3
4
2
1
3
4
2
IC404
IC403
IC401
39 8
14
4 2
16
10T401
58 7 6
VCC
MOSDRIVE
CURRDET
CURRCOMP
21 3 4
Q407
PFC
Q420
Q404Q406L402D415
IC406POWERFACTORCONTROL
5
4
9
2
10 6T402
Q535
Q501
Q503Q502
8
6
10
7
5
9
2
3
4
1
15
19
24
18
22
23
16
17
21
20
VDD
VSS
XIN
XOUT
RESET
P21
P20
D5
D4
P30
P31
P00
P01
P02
P03
P10
P11
P12
P13
IC501
1
3
IC502RESET
1
5
2
46
3
T407
9
811
3
15
2
6
4
1
IC512
Q541
Vlow
1
2
Vda
P12
+15V
+12V
TO
1
2
6
PB5P5
+12V
+12Vs
4 +15V
+12Vs7
+12Vs8
1
+15V2
+15V
P23TOSC23
SS11P11
3
2 Vsus
TO
TOP2
SC2
2
1
Vsus
Vsus
Vsus
9 +5V
TO
STB5V
7
P25D25
+5V
10
Q421
POWER MCA
COLD
COLDHOT
4 STB_PS
IC411
4
1 5
3
IC402
Q422
Q418
DC75V
75 STB12V
DC15V
DC12V
Q509
USE+15V
FAN SOS
5
4
3
P30
+5V
NO
FAN CONT
1
Q536
14 FAN SOS
Q538Q537
Q550
Q553
Q554
Q557
2
3
1
16
17
15
18
12V2
12V
3
1
FAN CONT
Q552
3
HOT
P POWER SUPPLY
4
Vda
Q508
13
14
PR601
Q505
9 6
5 4 3
5
ZCD
7
GD
8
VCC
1 3
VFF
4
CBINV
Q507Q506
3 1
IC506
Q530
Vsus
Q525
1
2
IC505
3
4
IC509
13
14
12
D3
D2
D0
D1
11
Q561
Q559
13 F STBY ONIC507
1 5REG
Q544
ALL OFF
PS SOS
PANEL MAIN ON
ECO_ON
Q551
Q567
Q565
Q564
Q560
Q518
Q562
Q558
IC503
12
Q519 F STB 14V
2
1
3
F STB 14V
F STB 14V
P10TOPA10
Q512Q511
1216 15 13
2 4 6
IC520
Q510Q516
Q520,Q517
5
PR401
PR402
Q401
4
1 5
3
4 7 85
3 2 1
Q435
Q423R903-R906R928-R931Q424,Q434.Q436
L405L404
F401
F402
1
4
NEWTRAL
RL402RL403
R455,R474R479,R481R483,R488Q430,Q432
Q433,Q441
Q417
Q4O3
IC407
Q415 Q438
Q414
Q431Q439
Q440
4 IC412
2
4
2
IC409
3
1
1
3
3
14
13
10
18
9
6
15
16
SS12TO
T601
REG
Csus
PHOTO COUPLER
PHOTO COUPLER
PHOTO COUPLER
PHOTO COUPLER
PHOTO COUPLER
PHOTO COUPLER
REG
IC504
2 1
T410
T404
D539
LIVE
P9
1
2
AVR DC75V
Ex.I/O
DC-DC CONVERTER
STB 5V
SHUNT REGULATOR
PHOTO COUPLER
STB 14V
COMPARATOR
COMPARATOR
REGULATOR
AC-DC CONVERTER
COLDHOTAC CORDTO
TH-42PD50UP-Board Block Diagram
TH-42PD50UP-Board Block Diagram
TH-42PD50U
59
P-Board (1 of 6) Schematic Diagram
C426
470P
C4290.015
R444
12K
R430430K[F]
D503MA165
R42422K
D504MA165
R440470K
C4361[KB]
R45133K
R433
12K[F]
C4431000p
R449R10
C4321[KB]
R4584700
C4032200pF
IC406C0DAZZZ00021
1 2 3 4
5678
R43615K
R443
2K
ZN401D4EAD6210001
D418MA4082-M
C4441000p
C4091.0uF
R441680K[F]
R473560K[F]
D415AW04V0
R45210K
R43912
R417430K[F]
R448R10
R456
33K
R437
18K
C428
220P
R45410K
R464
33K[F]
R438
330
R442680K[F]
C4300.015
R472560K[F]
ZN402D4EAD6210001
R465560K[F]
R475680K[F]
R462430K[F]
C4590.015
C460330p
C461330p
C463
22P
R41415K
D433MA4150-M
C4451[KB]
Q401B1CHND000004
R42133K
R471
3300
R42610K
C44010[YXF]
C4311000P[KB]
L403EXCELSA35T
D431RB520
R41510K
C449*** TP1 TP2
TP3 TP4
TP5 TP6
TP7
TP8
R428
10K
C4120.01[KB]
L402EXCELSA24V
ZH2
ZH1
ZH3 ZH4
ZH18
ZH20ZH17
ZH19
ZH21
ZH22
ZH32ZH30 ZH31 ZH34 ZH35ZH33
ZH92
ZH95
ZH96
ZH97
ZH8ZH7
ZH37ZH36
ZH38
ZH48
ZH49
R43110K
C423
47
00
P
C4271[KB]
Q4202SD1819ARL
R463
33K
R4671000
Q407XN0460100L
C4680.01[KB]
D429ERA15-10
R419100K
P9
4LIVE
NC3
-2
NEUTRAL1
ZH11
ZH12
L404SC06-120J
12
43
L405
SC06-120J
12
43
C470***
C473220P
C476220P
Q4222SD1819ARL
R49047K
R491
47K
Q404B1BCCF000022
R49312
R410
10/5W
ZH43
ZH42ZH40
ZH51
D419RU30ALF014
D420RU30ALF014
ZH102
ZH103
ZH104
ZH105
ZH106
ZH107
ZH108
ZH109
ZH110
ZH111
ZH5
ZH6
Q406B1DEHQ000007
C446390uF/450V
ZN403
D4EA8511A001
ZH15
ZH16
ZH9 ZH10
F401
T8AH 250V
F402
T8AH 250V 1mm
1mm
1mm
1m
m
Z450EYF52BCY
Z451EYF52BCY
Z452EYF52BCY
Z453EYF52BCY
C4041.0uF
ZN404D4EAD6210001
Z2
K4ZZ010001211
D401D6SB80
4
2
3
1
RL403DJ12D2-O(M)0.25W
2
3 4
5
6 1
RL402DG12D1-O(M)-2 0.53W TV-8
1
4 2
3
T401G4D2A0000229
123456789
11 12 13 14 15 16 17 18 19 20
D417RU30ALF014
ZH54 ZH55
ZH50 ZH61
ZH64
S401RA-362MS-V7-Y
S402RA-362MS-V7-Y
ZH67
C499
***
R49222
PR401
0216005.MXEP
ZH75ZH73
D428ERA15-10
D427ERA15-10
PR402T 2.0A 250V
C462
1[KB]
CURR
Vcc GND
CURR
DRIVE
COMP
MOS
DET
PFC
CAUTION
CAUTIONB
E
96 873
D
4
C
1 2
F
5
A
COLDHOT
COLD
HOT
COLD
HOT
A B C D E F G H I J L
1
2
3
P-BOARD
(3/6)
TO
P-BOARD TNPA3570 (1/6)
10
AC CORDTO
K
POWERFACTORCONTROL
TH-42PD50U P-Board (1 of 6) Schematic DiagramTH-42PD50UP-Board (1 of 6) Schematic Diagram
TH-42PD50U
60
P-Board (2 of 6) Schematic Diagram
R681
150[F]
R545
10K
D535
MA188
C605150u/160V
D425MA188
C6241[KB]
R598
47K
R5923000[F]
D521
1SR153
D545MA4180-H
R632220
IC520C9ZB00000496
1 2 3 4 5 6 7 8
111213141516 910
C604150u/160V
R64147K
R537
36K[F]
R613
16K[F]
J501LSJW0001
R609
8200
C5470.033[KB]
R922100
C5300.033[KB]
R679R39
C572
0.1[KB]
ZH83
T402G4D1A0000098
910
2
6
3
5
4
D574MA111
Q516B1DHBD000004
R660
12K[F]
ZH82
R59610K[F]
C5480.1[KB]
D542MA4180-H
ZH86
Q541B1CBGD000001
C6200.01[KB]
Z1
K4ZZ010002061
ZH80
T407
ETQ11K5AZ
6 5
2
4
1
ZH79
R579
10K
ZH60
ZH58
R547
1000
C5740.1[KB]
C646
330P[JC]
C5274R7[KB]
T404G4DA0000109
9
11
13
14
1
3
2
4
15
7
8
6
5
C523
1[KB]
R597
47K
ZH56
D570MA4300-M
R614
3300[F]
C551
0.1[KB]
R6078200
R698R39
C555100u/100V
D568MA142WA
R576
12K[F]
C4570.033u
D531S3K60-5004P15
R667
0
D539D8LD40
C577
33/100V
R6649100[F]
Q409B1CHND000004
R588
390[F]
R6122200
C6010.01[KB]
R64922K
R6240.22/1W
R6652000Q413
B1DAGQ000013
R567
4.7k
R572390[F]
R6752R2
C552
0.1[KB]
R528
4R7
R63133K
R48222
R551
100K
PR509
F
IC512C0DAEMB00004
132
R669130K[F]
D534SF20JC6
L510EXCELDR25V
ZH94
R58410K
Q508XN0450100L
R56218K[F]
R56013K[F]
R561
4300[F]
R6822200
ZH66
ZH84
ZH85
ZH72
ZH78
L509J0JBC0000032
R582
10K[F]
R477180
ZH59
C534470P[JC]
C553
0.1[KB]
ZH
53
Q520B1HFCFA00021
6
1
5
3
4
2
D551
MA4130-M
ZH57
D549
MA4075-M
R563
2R2
P5 K1KA11A00073
11 GNDs
10 GNDs
9 GNDs
+12Vs8
+12Vs7
+12Vs6
GND5
+15V4
GND3
+12V2
+12V1
D544MA4180-H
R7134700
ZH63
C64347[YXF]
R600
390
R585
33K
Q510B1DHBD000004
R599
390
C62510
D538MA3051-MTX
R476180
ZH62
R661
5K
C606
1[KB]
R6701000
R655R39
C546
0.033[KB]
R680R39
R574
330
R659
30K[F]
D569
MA4300-M
R645
47K
R662130K[F]
Q517B1HFCFA00021
6
1
5
3
4
2
D529MA3X15300L
C55725V/1500
Q509XN0440100L
6
1
5
3
4
2
R683150[F]
J502LSJW0001
R67433K
C451
100P
D579MA111
C647
330P[JC]
Q408B1CHND000004
D532
S3K60-5004P15
C5541[KB]
D543
MAZ41500MF
D536
SF15JC10
R573
390[F]
Q527B1DEHL000018
R531
4.7K
C550
1000P[KB]
R663
2R2
R5911M
ZH99
P12
K1KA05A00139
5 STB12V
4 STB_PS
3 GND
2 +15V
1 Vda
C5810.022[KB]
Q412B1DAGQ000013
R668
0
P23
K1KA03A00213
3 GND
2 +15V
1 +15V
ZH91
R65010K
D528MA3X15300L
D571MA4300-M
R6661000
ZH74
ZH81
D572
MA188
C5281[KB]
ZH65
D423MA188
C5840.022[KB]
C5561500u/16V
R67633K
C465220P
R7120
R47822
D530
MA4100-MTA
ZH
52
R5935600[F]
C587
0.01[KB]
Vlow
Vda
COLD
HOT
COLD
HOT
COLD
HOT
ABAA AC AD AE AF AG AH AI AJ AK AL AM AN
2
3
1
P-BOARD
(4/6)
TO
TOSS-BOARD(SS12)
(SC23)
TOSC-BOARD
(PB5)
TOPB-BOARD
0
12.0
0
0
0
0
12.0
12.0
12.0
5.0
12.0
15.0
15.0
0
67.0
0
15.0
12.0
12.0
12 1311 16 17 181410 15
P-BOARD TNPA3570 (2/6)
AVR DC75V
Ex.I/O
TH-42PD50U P-Board (2 of 6) Schematic DiagramTH-42PD50UP-Board (2 of 6) Schematic Diagram
TH-42PD50U
61
P-Board (3 of 6) Schematic Diagram
R926220K
R40347K[F]
D404S1WB(A)80-7101
4
2
3
1
R445
100K[F]
R905
120K[F]
ZH88
D438MA4150-M
R5501M
R564470K
R910
10M
Q433B1CBGD000001
C494100P
Q5652SD1819ARL
R470
R39
ZH69
R40710K
Q5642SD1819ARL
R920100K
R6041200
D440
MA4300-M
R5551M
R930
120K[F]
R911
10M
R558330K
C4
07
22
u/4
50
V
R552
1000
C512470P[JC]
R43510K
D444D1NL20U-7070
R928
120K[F]
D467ERA15-10
R544330
R90127K[F]
Q511B1CFND000005
R704
100/2W
R524
1800
R44733K[F]
R925
3300K
R4661000
C514470P[JC]
IC407C0DBAZZ00111
1234
5 6 7 8
Q560B1CHHG000002
R507220
R7071000
R927220K
R906
120K[F]
R4851K
D414MA111
R903
120K[F]
Q518B1DEHL000018
C5
26
***
C464
***
C498
1[KB]
R48110M
Q519B1DEHF000002
R9131000
C4170.01[KB]
C4331[KB]
D4
66
ER
A1
5-1
0
R4014700
D510RL2Z LF-C1
R594
10K
L501EXCELSA35T
D508MA4150-M
L506EXCELDR25V
D441D1NL20U-7070
C5330.01[KB]
R9141000
R48310M
Q423B1CBGD000001
C513470P[JC]
D443MA4240-M
C4140.01[KB]
Q414B1ABCF000134
Q439B1CHND000004
R55947K[D]
C4151000P
D407MA188
R4023.6M
ZH41
C495100P
R4611K
D442MA4075-M
C492
270P
D4
64
ER
A1
5-1
0
D445
MA165
D410MA111
R41110/5W
D462MA142WK
ZH14
C467220P
R4891000
R929
120K[F]
Q434B1CEJQ000002
R427330K
D437
MA4082-M
C491
0.1[KB]
D4
36
MA
18
8
Q438B1CBGD000001
R468
4700
R70610K
R5701000
R9321M
D460
***
D4
65
ER
A15-1
0
R446R39
C4250.01[KB]
R549
1000
Q424B1CBGD000001
ZH89
D4
63
ER
A15-1
0
R4124700
C4961[KB]
C5200.1[KB]
C4241000P
Q558B1CHHG000002
R907
27K[F]
D509RL2Z LF-C1
R5
65
33
0K
C5160.47[KB]
R554
3300
IC412CNC1S171RLL2
2
14
3
R530
33K[D]
C511330
R52210
IC409CNC1S171RLL2
2
14
3
IC408CNC1S171RLL2
2
14
3
R904
120K[F]
R46910K
R474100K/1W
D412MA111
D4
06
MA
42
00
-M
D411ST03D-170_New
C5291[KB]
R909
10M
D511RF1001T2D
Q4152SB1218ARL
R91510K
R633330K
IC503C0DAEMB00004
132
R91210K
Q4402SD1819ARL
D563MA4062-M
Q436B1CEJQ000002
D507MA4150-M
C4341[KB]
R703
100/2W
R908
3300K
Q567B1CBGD000001
R708100K
D567WA5001=5
R5481000
Q432B1CEJQ000002
R587
47K
R63047K
R931
120K[F]
ZH68
Q5
62
2S
D1
81
9A
RL
R423150K
R52110
T410G4D2A0000229
9
8
6
3
1
2
10
11
12
13
14
18
16
15
C5620.1[KB]
C4161000P
R41310/5W
R457
33K
D461MA4082-M
Q4412SD1819ARL
R5
66
10
0K
C4
93
10
0/2
5V
[YX
F]
R48810M
Q435B1CBGD000001
R629
100K
ZH13
R702100
C5151200[ZL]
R91810K
R479100K/1W
R42910K
R4053.6M
D566D1NL20U-7070
R43210K
C490330P
R45510M
D435ERA15-10
D564MA7200
C4191000P
R917330K
C5
17
AP
S-2
50
ET
D1
01
MJC
5S
Q512B1CBGD000001
C497220/25V[YXF]
ZH87
Q430B1CEJQ000002
Q431B1DEGS000001
R92130.9K[D]
R635100K
R916
0
C4130.01[KB]
D413MA111
IC504C0DAEMB00004
132
R422180
R53910K[D]
D459MA188
R5534700
D552MA4082-M
PR501K5H502Z00003
COLDHOT
HOT COLD
BA BB BC BD BE BF BG BH BI BJ BK BL BM
C LD E F G HB I JA
11
12
13
14
15
16
17
18
19
P-BOARD
(1/6)
TO
P-BOARD
TO
(5/6)
C
2
F
41 3 9
B
E
D
765
A
8
K
P-BOARD TNPA3570 (3/6)
DC-DC CONVERTER
PHOTO COUPLER
COUPLERPHOTO
COUPLERPHOTO
STB 5V
STB 14V
TH-42PD50U P-Board (3 of 6) Schematic DiagramTH-42PD50UP-Board (3 of 6) Schematic Diagram