Page 1
T
T
P
S
TH-37PH10HK / TH-37PH10HS / TH-42PH10AK / TH-42PH10AS / TH-42P H10MK / TH-42PH10MS / TH-42PH10GK / TH-42PH10TS
1.4. P-Board Block Diagram
TO
AC CORD
LIVE
NEUTRAL
11
12
15
16
Q564
Q565
7
41
3
2
COLD
10
9
3
6
4
7
8
2
5
1
T404
RESONANCE
CONVERTER
(120-145KHz)
BUFF
BUFF
PR601
10
T601
23
KA
D540
D539
D506
D536
IC508
180k
x4
REF
IC509IC511
REF
41
IC505
3
2
POWER SOS
LED BLINKING : 4TIMES
D531
73V
+
15V
KA
54
213
PHOTO
COUPLER
Vdat OVER VOLTAGE
DETECTION(100V
C555
R670
D569
D570
D571
D572
D549
R579
D579
D521
Q530
IC506
ERROR DET
IC510
DC-DC CONV.
(Vsus)
Q524
25V)
Vlow
POWER
CIRCUIT
Q527
Q520 Q517
PR509
D535
Q509
VlOW DET
BUFF
Q541
Q508
VlOW DET
VOLTAGE
OUT
DETECTION
(60V
Q535
Q525
K
31
A
2
Q563
Q553
INV.
D544 D545
R631R674
R676
R661
Vlow
5V OUT
DETECTION
(3V 1.0V)
Vsus 192V
R622
R648
40V)
R636
R626
Vref
R627
R628
Vsus
12V ON/OFF
Q554
21
OUT
PR505
Vcc
IC512
ERROR DET
(Vda)
K
3
1
2
3
R649
R650
Vda75V
1
A
2
1
R665
2
Vdat
3
P12
1
2
4
8
10
P11
1
3
P2
1
3
P5
1
2
3
4
5
10
12
13
15
17
16
18
20
P6
1
2
3
7
8
9
P7
1
2
5
6
8
9
10
P25
1
2
5
6
9
11
12
13
TO
SS12
Vdat
Vdat
+15V
STB12V
STB_PS
TO
SS11
Vsus
GND
TO
SC2
Vsus
GND
NO
USE
+15Vs(S)
+15Vc
+15Vs(S)
+15Vc
+15Vs(S)
STBY5V
F_STBY_ON
F_STB
F_STB
F_STB
ALL_OFF
AC_GOOD
+5Vc
TO
DS6
+15Vs(S)
+15Vs(S)
+15Vs(S)
F_STBY
F_STBY
F_STBY
TO
DS4
+15Vc
+15Vc
STBY5V
F_STBY_ON
ALL_OFF
AC_GOOD
+5Vc
TO
D25
+15Vc
+15Vc
+5Vc
+5Vc
STBY5V
PANEL_MAIN_ON
SOS4_PS
VDATA_DET
HOT
P
POWER SUPPLY
4
3
9
7
5
4
7
2
IC406
T401
87
10
PFC
Q420
D418
T410
RCC CONV.
(100KHz)
15
14
D511
13
12
11
D509
10
5V
1
IC408
PHOTO
COUPLER
2
IC504
ERROR DET
21
451
6
12 139
11
VCC
RL402
STB_12V
STB5V
3
2
3
14
1615
5876
CURR
MOS
DET
DRIVE
CURR
COMP
2134
Q422
R411
MAIN
RELAY
ON
Q501
1
2
3
RL403
STB5V ON/OFF
R441
R442
R445
R447
R470
340kx6
R455
R444
R443
PFC
RUSH
RELAY
ON
ON
D522
D523
Q404,Q406
R405,D415
R472
R475
R479
R480
27.4kx6
Q502
RL401
LINE FILTER
L405L404
D401
-+
RECTIFIER
L403
Q401
SW
PR402
SW
Q402
D407
Q407
F401
P9
250V 8A
4
F402
250V 8A
1
F403
L410
LINE
FILTER
T630mA
250V
R413
D404
-+
RECTIFIER
IC411
ERROR DET
Vref
23
AK
Q434
R435
R427
R420
R415
R410
R407
D435
IC409
8
Source
7
Source
53
Drain
D416
Q411
1
IPD
Source
1
Source
2
Source
4
Control
D441
Q410
OVER
VOLTAGE
PROTECTION
(490V
0.1
D417
D419
D420
134
2
421
3
80V)
IC520
COLDHOT
(PFC_ON/OFF)
C446
C469
POWER
CONTROL
(Vlow)
IC403
PHOTO
COUPLER
(AC DET)
RESET
IC401
PHOTO
COUPLER
IC502
RESET
395V
95610
Q536
ON:H
ON:L
ON:H
12
P_OUT
2
1
+
-
PR401
T402
243
13
P_OUT
FB
46
2
X501
4NHz
Q409
1615
VDD2
VDD1
Vref
5V
CRT_ON
1
VDD
2
VSS
3
XIN
4
XOUT
6
RESET
7
STB PS
8
Vdat_GO_L
STB 5
9
ON/OFF
10
LOW 15
11
MAIN RELAY(H)
12
RUSH RELAY(H)
OSC
Q566
POWER MCU
F_5A_250V
Q408
OSC
Q413
OSC
D701
IC501
F_15V_ON/OFF
V LOW ON/OFF
Q537
Q521
D602
Q507
PANEL_
MAIN_ON
AC_DET/
F STB H
V LOW DET
AC_P_DET
(FAIL:H)
AC_GO_L
VSUS DET
SOS4_PS
PFC ON/OFF
ON/OFF
ALL OFF
Q412
IC513
Vda DET
KA
IC507
PHOTO
COUPLER
VSUS
OSC
24
23
22
21
20
19
18
17
16
15
14
13
Q540
Q510
REF
GO:L
ON:L
ON:L
ON:H
ON:L
HOT
4
IC412
2
COLD
PHOTO
COUPLER
Q569
3
Q555 Q556
DC/DC CONV. DC/DC CONV.
(15V) (F STB 5V)
ECO
1
D
G
4
6
7
DDD
S85S
3
S
12
H-37PH10HK/HS
H-42PH10AK/AS/MK/MS/GK/TS
-Board Block Diagram
92
8756
DDDD
S
1S2SG34
TH-37PH10HK/HS
TH-42PH10AK/AS/MK/MS/GK/T
P-Board Block Diagram
Page 2
15.5. P-Board (1 of 6) Schematic Diagram
E
F
B
C
A
D
TH-37PH10HK / TH-37PH10HS / TH-42PH10AK / TH-42PH10AS / TH-42P H10MK / TH-42PH10MS / TH-42PH10GK / TH-42PH10TS
COLD
HOT
TO
AC CORD
COLD
HOT
COLD
HOT
1
2
3
PFC
P-BOARD (1/6)
TNPA4268AB (37 inch)
TNPA4221AK (42 inch)
A B C D E F G H I J
TH-37PH10HK/HS TH-42PH10AK/AS/MK/MS/GK/TS
P-Board (1 of 6) Schematic Diagram
TO
P-BOARD
(3/6)
TH-37PH10HK/HS
TH-42PH10AK/AS/MK/MS/GK/TS
P-Board (1 of 6) Schematic Diagram
3
4
5
96 8712
93
Page 3
TH-37PH10HK / TH-37PH10HS / TH-42PH10AK / TH-42P H10AS / TH-42P H10MK / TH-42PH10MS / TH-42PH10GK / TH-42PH10TS
15.6. P-Board (2 of 6) Schematic Diagram
COLD
HOT
TO
SS-BOARD
(SS12)
1
2
3
HOT
COLD
HOT
COLD
ERROR DET
(Vda)
POWER
CONTROL
(Vlow)
AA AB AC AD AF AH AJ
TH-37PH10HK/HS TH-42PH10AK/AS/MK/MS/GK/TS
P-Board (2 of 6) Schematic Diagram
P-BOARD (2/6)
TNPA4268AB (37 inch)
TNPA4221AK (42 inch)
TO
P-BOARD
(4/6)
AGAE AI AK
AL AM AN AO AP AQ AS
AR
TH-37PH10HK/HS TH-42PH10AK/AS/MK/MS/GK/TS
P-Board (2 of 6) Schematic Diagram
16 181513 1411 171210
94
Page 4
E
F
B
C
A
D
TH-37PH10HK / TH-37PH10HS / TH-42PH10AK / TH-42P H10AS / TH-42P H10MK / TH-42PH10MS / TH-42PH10GK / TH-42PH10TS
15.7. P-Board (3 of 6) Schematic Diagram
A
B C D E F G H I J
TO
P-BOARD
(1/6)
HOT
P-BOARD (3/6)
TNPA4268AB (37 inch)
TNPA4221AK (42 inch)
COLD
11
12
13
ERROR DET
IPD
PHOTO
COUPLER
HOT
ERROR DET
COLD
14
15
16
17
18
19
20
HOT
COLD
PHOTO
COUPLER
PHOTO
COUPLER
PHOTO
COUPLER
TO
P-BOARD
CA CB CC CD CE CF CG CH CI CJ CK CL CM CN CO CP CQ CR
TH-37PH10HK/HS TH-42PH10AK/AS/MK/MS/GK/TS
P-Board (3 of 6) Schematic Diagram
(5/6)
TH-37PH10HK/HS TH-42PH10AK/AS/MK/MS/GK/TS
P-Board (3 of 6) Schematic Diagram
3
4
5
96 8712
95
Page 5
TH-37PH10HK / TH-37PH10HS / TH-42PH10AK / TH-42P H10AS / TH-42P H10MK / TH-42PH10MS / TH-42PH10GK / TH-42PH10TS
15.8. P-Board (4 of 6) Schematic Diagram
AA AB AC AD AF AH AJ
TO
P-BOARD
(2/6)
AGAE AI AK
AL AM AN AO AP AQ AS
AR
P-BOARD (4/6)
TNPA4268AB (37 inch)
TNPA4221AK (42 inch)
11
12
TO
SC-BOARD
(SC2)
13
TO
SS-BOARD
(SS11)
PHOTO
COUPLER
ERROR DET
ERROR DET
14
15
PHOTO
16
17
18
19
20
COUPLER
DA DB DC DD DE DF DG DH DI DJ DK
TH-37PH10HK/HS TH-42PH10AK/AS/MK/MS/GK/TS
P-Board (4 of 6) Schematic Diagram
TO
P-BOARD
(6/6)
TH-37PH10HK/HS TH-42PH10AK/AS/MK/MS/GK/TS
P-Board (4 of 6) Schematic Diagram
16 181513 1411 171210
96
Page 6
E
F
B
C
A
D
TH-37PH10HK / TH-37PH10HS / TH-42PH10AK / TH-42P H10AS / TH-42P H10MK / TH-42PH10MS / TH-42PH10GK / TH-42PH10TS
15.9. P-Board (5 of 6) Schematic Diagram
CA CB CC CD CE CF CG CH CI CJ CK CL CM CN CO CP CQ CR
TO
P-BOARD
(3/6)
31
32
33
34
35
POWER MCU
RESET
36
37
38
39
40
41
42
P-BOARD (5/6)
TNPA4268AB (37 inch)
TNPA4221AK (42 inch)
TH-37PH10HK/HS
TH-42PH10AK/AS/MK/MS/GK/TS
P-Board (5 of 6) Schematic Diagram
TH-37PH10HK/HS
TH-42PH10AK/AS/MK/MS/GK/TS
P-Board (5 of 6) Schematic Diagram
3
4
5
96 8712
97
Page 7
TH-37PH10HK / TH-37PH10HS / TH-42PH10AK / TH-42P H10AS / TH-42P H10MK / TH-42PH10MS / TH-42PH10GK / TH-42PH10TS
15.10. P-Board (6 of 6) Schematic Diagram
DA DB DC DD DE DF DG DH DI DJ DK
P-BOARD (6/6)
TNPA4268AB (37 inch)
TNPA4221AK (42 inch)
TO
P-BOARD
(4/6)
31
32
33
34
35
TO
D-BOARD
(D25)
36
37
38
39
40
DC-DC CONV.
NO
USE
TO
DS-BOARD
(DS6)
TO
DS-BOARD
(DS4)
41
42
TH-37PH10HK/HS
TH-42PH10AK/AS/MK/MS/GK/TS
P-Board (6 of 6) Schematic Diagram
TH-37PH10HK/HS
TH-42PH10AK/AS/MK/MS/GK/TS
P-Board (6 of 6) Schematic Diagram
16 181513 1411 171210
98
Page 8
1
2
3
4
5
6
TH-37PH10HK / TH-37PH10HS / TH-42PH10AK / TH-42PH10AS / TH-42PH10MK / TH-42PH10MS / TH-42PH10GK / TH-42PH10TS
14.2. P-Board (42inch)
P-BOARD (FOIL SIDE)
TNPA4221AK
TH-42PH10AK/AS/MK/MS/GK/TS
P-BOARD TNPA4221AK
TH-42PH10AK/AS/MK/MS/GK/TS
P-BOARD TNPA4221AK
ABCD E F G H I
58
Page 9
1
2
3
4
5
6
TH-37PH10 HK / TH-37P H10HS / TH-42P H10AK / TH-42P H10AS / TH-42P H10MK / TH-42P H10MS / TH-42P H10GK / TH-42P H10TS
P-BOARD (COMPONENT SIDE)
TNPA4221AK
TH-42PH10AK/AS/MK/MS/GK/TS
P-BOARD TNPA4221AK
TH-42PH10AK/AS/MK/MS/GK/TS
P-BOARD TNPA4221AK
ABCD E F G H I
60
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