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TH-L42S25S
36
9.2.
Detailed Block Diagram (1/3)
C O L D
H O T
G
R
+
NO
HOLDER
+
VCC
GND
OUT
NO
HOLDER
NEED HOLDER
+
+
NEED HOLDER
NEED HOLDER
BACK_LIGHT_SOS
PWM_PWR_ON
BACK_LIGHT_ON
PANEL_VCC_ON
STB5V
D560
D363
DTV12V
D5421
12V
D2500
P17V
D210,D211
D556
SUB_OP_5V
F301
D5425
D564
D565
D553
174V
D5422
D555
D5420
DTV12V
D554
L202
D557
SUB1.2V_A
D451
D5423
RM2500
PNJ4815M01TV
1
2
3
D205
F101
D201
Q501
SUB1.5V(DDR1.5V)
F002
D403
D558
SUB1.2V_D
D5424
D653
D409
D353
D402
D559
D566
F401
SUB3.3V
D5426
F001
Q354B
SN2500
D452
174V
Q354A
STB_SUB5.8V
R003
D5427
12V
I352A
5.8VS
-
G
174V
ERROR DET
Q453
12
1
5
LINE
FILTER
1
RECTIFIER
#1 Anode
I351A
A10
I752
1
T401
10
+
V-BOARD
I501
I452
5.8V
I353B
SUB5V
9
D3A1-D3F1
POWER LED
L451
PWM
V OUT
S101
6
IC5300
V+
CN02
V_DET
7
LR OUT
ASSY
STB3.3V
2
Q4770,71
STB5V
5.8VS
DVB_CVBS
D358A
D755
SUB_ON
2
4
STB_SUB5.8V
5
Q454
SUB5V
174V
ERROR DET
D
C.A.T.S
PWM_POWER_ON
#2 Anode
11
R/G/B/H/V
13
#3 Anode
2
I3G1-I3I1/I3J1-I3L1
IC5220
A15
15
STB5.8V
ERROR DET
24
12
13
40
PC
OVP
I551
SOS
JK3304
S102
Q555
Q352A
LED CURRENT
CONTROL
+3.3V
PWM
OVP
1
PC-R
TC05
SUB_ON
IIC1
10
AV3
TUNER
1
+5V
BACK
LIGHT
ON
2
29
9
IC5280
CONTROL PANEL
CURRENT
CONTROL/DRIVER
IC5500
PFC
DCDC_CTL
PC-B
AV1_PB
CURRENT
CONTROL/DRIVER
IC3000
Y/PB/PR,
R/G/B/H/V
CVBS
(SIDE)
AV1_R
L003
MONITOR OUT
PC
AC IN
DET
Q352B
V2_R
TO
LED
BACK LIGHT
L352A
L353A
D3A2-D3C2/D3D2-D3F2
5
STB
5.8V
Q357
4A
AC250V
I301
LVDS DATA
SOS
REMOTE
D753
AV3_V
I401
3
47
D105-8
V IN
3
AV2_L
AV2
DTV
1
PHOTO COUPLER
[R(A-D)_0+/-)]
AV1_V
3
12
5V
[R(A-D)_E+/-)]
IIC2
P-BOARD
1
REMOCON
IC5200
LVDS DATA
V/Y/PB/PR
Q356
JK3301C
Q5241
V
9
ANT IN
I553
KEY
I453
8
POWER LED
D357A
Q351A
POWER SUPPLY
AV1_Y
#1
Cathode
C.A.T.S. SENSOR
V
PC-V
OVP DET
L/R
Q351B
#2
Cathode
DTV12V
D358B
SUB_ON
PHOTO COUPLER
12V
Q553
AC IN_ON
#4 Anode
SUB_ON
BACK LIGHT
SOS
V
I353A
S103
AV SW
BACK LIGHT
SOS
9
A-BOARD
PC-G
D357B
I201
TV
5.8V_ON
LED CURRENT
CONTROL
#4
Cathode
R_LED_ON
8
4
11
+1.2V
I402
PHOTO COUPLER
OPERATION
BUTTON
PWM2
CONTROL
+5V
TU2901C
AUDIO_VCC
V10
T301
4
JK3300
SUB_ON
AV1_PR
L/R
I3A1-I3C1/I3D1-I3F1
IC5501
RESONANCE
V OUT
13
SENSE
174V
SOS_ON
+1.5V
OVP DET
Q452
4A
AC250V
I351B
3
Q551
VCC
AV2
I354B
13
AC CORD
A02
SUB_ON
RELAY_ON
PHOTO COUPLER
VCC
SOS Latch
CONTROL
3
C.A.T.S
12V
2
AV2_V
PWM1
2
PWM
L/R
SENSE
1
AV1
3
4
5.8V
L/R
RECTIFIER
V2_L
12V ERROR DET
+5V
PHOTO COUPLER
CN01
V OUT
DTV12V
I552
PHOTO COUPLER
V2_V
D3G2-D3I2/D3J2-D3L2
D102
I352B
Q554
PHOTO COUPLER
AV3_L
V IN
L/R
4A AC250V
AV3
SUB_ON
BACK
LIGHT ON
AV2_R
L001
PC-H
3
RELAY
+1.2V
MAIN OUT
1
5
SOS
S01
SOS
D3G1-D3L1
+
5
SUB9V
Y/C/V
L352B
L353B
Q201
Q202
Q203
2A AC250V
SUB5V
AV3_R
BACK_LIGHT
_ON
-
PHOTO COUPLER
5
TUNER5V
I451
Q204
AV1
CNAC
P2
POWER
CONTROL
ERROR
DET
4
D
SOS
OVP DET
G
I751
5
Q355
2
AV1_L
LVDS DATA
STB5.8V
G_LED_ON
PHOTO COUPLER
SUB9V
SOS Latch
Q305
IC2952
PNL12V
7
10
A09
REMOTE RECEIVER
Q401
49
L401
7
SIF
Q556
1
46
I354A
3
Q301,Q302
#3
Cathode
18V
DIGITAL SIGNAL PROCESSOR
IIC2
5
7
9
11
13
15
17
19
LED DRIVE
LED DRIVE
TC06
COLD
HOT
Summary of Contents for TH-L42S25S
Page 25: ...TH L42S25S 25 7 12 Barrier Fitting Stick the BARRIER on the LCD PANEL ...
Page 26: ...TH L42S25S 26 7 13 LVDS Metal Installation Put LVDS METAL to MTG with SCREWS ...
Page 28: ...TH L42S25S 28 7 15 Screw PCB and Clamper Fitting 1 Fix clamper at MTG 2 Fix PCB with SCREW ...
Page 31: ...TH L42S25S 31 7 18 Pet AL Tape Install Stick the LVDS with AL PET TAPE ...
Page 33: ...TH L42S25S 33 Put Pedestal Assembly into polybag and fold properly ...
Page 40: ...TH L42S25S 40 11 Schematic Diagram 11 1 Schematic Diagram Notes ...
Page 41: ...TH L42S25S 41 11 2 A Board 1 19 Schematic Diagram 6 5 4 3 2 1 A B C D E F G H I ...
Page 42: ...TH L42S25S 42 11 3 A Board 2 19 Schematic Diagram 6 5 4 3 2 1 A B C D E F G H I ...
Page 43: ...TH L42S25S 43 11 4 A Board 3 19 Schematic Diagram 6 5 4 3 2 1 A B C D E F G H I ...
Page 44: ...TH L42S25S 44 11 5 A Board 4 19 Schematic Diagram 6 5 4 3 2 1 A B C D E F G H I ...
Page 45: ...TH L42S25S 45 11 6 A Board 5 19 Schematic Diagram 6 5 4 3 2 1 A B C D E F G H I ...
Page 46: ...TH L42S25S 46 11 7 A Board 6 19 Schematic Diagram 6 5 4 3 2 1 A B C D E F G H I ...
Page 47: ...TH L42S25S 47 11 8 A Board 7 19 Schematic Diagram 6 5 4 3 2 1 A B C D E F G H I ...
Page 48: ...TH L42S25S 48 11 9 A Board 8 19 Schematic Diagram 6 5 4 3 2 1 A B C D E F G H I ...
Page 49: ...TH L42S25S 49 11 10 A Board 9 19 Schematic Diagram 6 5 4 3 2 1 A B C D E F G H I ...
Page 50: ...TH L42S25S 50 11 11 A Board 10 19 Schematic Diagram 6 5 4 3 2 1 A B C D E F G H I ...
Page 51: ...TH L42S25S 51 11 12 A Board 11 19 Schematic Diagram 6 5 4 3 2 1 A B C D E F G H I ...
Page 52: ...TH L42S25S 52 11 13 A Board 12 19 Schematic Diagram 6 5 4 3 2 1 A B C D E F G H I ...
Page 53: ...TH L42S25S 53 11 14 A Board 13 19 Schematic Diagram 6 5 4 3 2 1 A B C D E F G H I ...
Page 54: ...TH L42S25S 54 11 15 A Board 14 19 Schematic Diagram 6 5 4 3 2 1 A B C D E F G H I ...
Page 55: ...TH L42S25S 55 11 16 A Board 15 19 Schematic Diagram 6 5 4 3 2 1 A B C D E F G H I ...
Page 56: ...TH L42S25S 56 11 17 A Board 16 19 Schematic Diagram 6 5 4 3 2 1 A B C D E F G H I ...
Page 57: ...TH L42S25S 57 11 18 A Board 17 19 Schematic Diagram 6 5 4 3 2 1 A B C D E F G H I ...
Page 58: ...TH L42S25S 58 11 19 A Board 18 19 Schematic Diagram 6 5 4 3 2 1 A B C D E F G H I ...
Page 59: ...TH L42S25S 59 11 20 A Board 19 19 Schematic Diagram 6 5 4 3 2 1 A B C D E F G H I ...
Page 60: ...TH L42S25S 60 11 21 K Board Schematic Diagram 6 5 4 3 2 1 A B C D E F G H I ...
Page 61: ...TH L42S25S 61 11 22 P Board Schematic Diagram 6 5 4 3 2 1 A B C D E F G H I ...
Page 62: ...TH L42S25S 62 11 23 TC Board 1 6 Schematic Diagram 6 5 4 3 2 1 A B C D E F G H I ...
Page 63: ...TH L42S25S 63 11 24 TC Board 2 6 Schematic Diagram 6 5 4 3 2 1 A B C D E F G H I ...
Page 64: ...TH L42S25S 64 11 25 TC Board 3 6 Schematic Diagram 6 5 4 3 2 1 A B C D E F G H I ...
Page 65: ...TH L42S25S 65 11 26 TC Board 4 6 Schematic Diagram 6 5 4 3 2 1 A B C D E F G H I ...
Page 66: ...TH L42S25S 66 11 27 TC Board 5 6 Schematic Diagram 6 5 4 3 2 1 A B C D E F G H I ...
Page 67: ...TH L42S25S 67 11 28 TC Board 6 6 Schematic Diagram 6 5 4 3 2 1 A B C D E F G H I ...
Page 68: ...TH L42S25S 68 11 29 V Board Schematic Diagram 6 5 4 3 2 1 A B C D E F G H I ...
Page 91: ...Model No TH L42S25S Parts Location ...
Page 92: ...Model No TH L42S25S Packing Exploded View 1 ...