Read LG 50PW450-TD (CHASSIS:PA11A) Service Manual online
T
H
E
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THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
TU300
TDTJ-S001D
TDTJ-S001D
14
3.3V
13
1.2V
5
AS
12
GND
11
VIDEO
2
BST_CNTL
10
NC
4
NC[RF_AGC]
1
ANT_PWR[OPT]
17
DIF_1
9
SIF
8
NC[IF_TP]
3
+B
16
IF_AGC_CNTL
7
SDA
6
SCL
15
RESET
18
DIF_2
19
SHIELD
R342
0
READY
0
READY
R343
0
0
READY
C304
0.1uF
0.1uF
16V
+5V_TU
C301
0.1uF
0.1uF
16V
R338
4.7K
4.7K
Q300
ISA1530AC1
R341
470
470
R344
82
82
TU_SIF
+5V_TU
Q301
ISA1530AC1
E
B
C
Q302
ISA1530AC1
EU
TU_CVBS
+5V_TU
+5V_TU
ATV_OUT
C300
0.1uF
16V
0.1uF
16V
C302
0.1uF
16V
0.1uF
16V
+3.3V_TU
R334
100
C308
0.1uF
16V
0.1uF
16V
TUNER_RESET
+3.3V_TU
IF_N_MSTAR
IF_P_MSTAR
R346
200
EU
EU
R349
200
200
R345
200
200
R348
200
EU
200
EU
R335
10K
C307
22uF
10V
22uF
10V
AMP_RESET_N
AUD_LRCH
AUD_LRCK
AUD_MASTER_CLK
AC_DET
AUD_SCK
AMP_SCL
AMP_SDA
R365
2.2
R359
2K
R360
2K
+3.3V
C328
4700pF
4700pF
50V
R371
2K
C333
680pF
680pF
50V
R366
0
C327
0.1uF
16V
C331
0.1uF
50V
C336 1uF
25V
C337
0.1uF 50V
C338 1uF
25V
C339
0.1uF 50V
C335
0.1uF
50V
0.1uF
50V
C334
0.1uF
50V
0.1uF
50V
C340
0.1uF
50V
P_17V
P
3
0
1
S
M
A
W
2
5
0
-
H
0
4
R
1
2
3
4
R381
20
C343
330pF
50V
C342
330pF
50V
R382
20
C352
1000pF
50V
C354
1000pF
50V
C353
1000pF
50V
C351
1000pF
50V
C332
0.1uF
50V
C329
0.1uF
50V
R372
10K
R370
10K
READY
R367
10K
10K
READY
AMP_MUTE
R373
0
READY
Q303
2SC3052
READY
E
B
C
+3.3V_TU
C305
10pF
50V
10pF
50V
READY
TU_SDA
TU_SCL
C306
10pF
50V
READY
10pF
50V
READY
R313
22
R314
22
IF_AGC_MAIN
R374
0
0
+1.26V_TU
C348
0.22uF
50V
C347
0.22uF
50V
C349
0.22uF
50V
C350
0.22uF
50V
C345
0.22uF
50V
0.22uF
50V
C346
0.22uF
50V
50V
R326
1.2K
1.2K
R319
1.2K
1.2K
L304
10.0uH
L303
10.0uH
L305
10.0uH
L302
10.0uH
R376
22
R378
22
R377
22
R375
22
R379
22
R380
22
R315
22
22
R316
22
22
TD1P
TC1P
TE1N
SDA_3.3V_MOD
TA2N
LVDS_CLK_2-
R836
0
R807
0
TE2N
R790
0
2D
DISP_EN
R794
0
2D
UART_TXD
TE2P
TD2N
R784
0
2D
TCLK2P
R817
0
2D
TD2N
TCLK4P
TC4P
TE4N
TB2N
LVDS_DATA_1_E-
R811
0
2D
LVDS_DATA_2_A-
TB4P
TB3P
UART_TXD
R783
0
2D
TC2N
TA1P
TE3N
TC2P
TC1P
LVDS_DATA_1_D+
TE1P
SCL_3.3V_MOD
TA1P
LVDS_CLK_2+
TD1N
PC_SER_DATA
TE2N
R795
0
2D
TE2P
R835
0
LVDS_DATA_2_B-
R798
0
2D
TE1N
TCLK1N
R818
0
2D
R792
0
2D
TCLK1N
TA2N
SCL_3.3V_MOD
LVDS_CLK_1-
2N7002(F)
Q700
G
D
S
P701
TF05-51S
HD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
TD1N
R788
0
2D
LVDS_DATA_2_D+
R828
0
2D
LVDS_DATA_2_A+
TE1P
LVDS_DATA_1_C+
TB1N
R800
0
2D
TD1P
R824
0
2D
TA1N
TC3P
TC2N
TD3N
TA1N
TC1N
TC1P
R815
0
2D
PC_SER_CLK
R833
0
2D
TE2N
TB1P
TB2N
R804
0
2D
TE3P
LVDS_DATA_1_E+
R812
0
2D
R786
0
2D
TE2P
LVDS_DATA_1_C-
SDA_3.3V_MOD
P_SCL
R831
0
2D
R830
0
2D
LVDS_DATA_2_C-
R810
0
2D
R822
0
2D
TB1P
LVDS_CLK_1+
R789
0
2D
TD2P
UART_RXD
TA2P
PC_SER_DATA
LVDS_DATA_2_D-
TCLK2N
R785
0
2D
+3.3V
TCLK1P
TC2P
TD2P
TB2P
TD2P
LVDS_DATA_2_E-
LVDS_DATA_1_D-
R809
4.7K
4.7K
TC1N
TCLK2P
R787
0
2D
R829
0
2D
TC4N
R821
0
2D
TB3N
TCLK1N
LVDS_DATA_2_E+
R801
0
2D
TA4P
R826
0
2D
R849
0
R825
0
2D
R796
0
2D
TE4P
SDA_3.3V_MOD
TC2P
R814
0
2D
TC3N
R832
0
2D
R813
0
2D
LVDS_DATA_1_A-
TA3N
2N7002(F)
Q701
G
D
S
LVDS_DATA_1_B-
TCLK3P
TCLK3N
R791
0
2D
UART_RXD
R793
0
2D
TB2P
TCLK1P
LVDS_DATA_2_C+
P_SDA
TD1N
TA2N
LVDS_DATA_2_B+
R806
0
R820
0
2D
DISP_EN
R803
0
2D
TCLK2P
R802
0
2D
R842
0
TD2N
TD4P
TB2N
TA2P
R823
0
2D
TD4N
TCLK1P
PC_SER_CLK
TCLK4N
TD3P
TA1N
+3.3V
LVDS_DATA_1_A+
LVDS_DATA_1_B+
R827
0
2D
R819
0
2D
TCLK2N
TCLK2N
R799
0
2D
TD1P
TE1P
TA1P
R797
0
2D
TA4N
R816
0
2D
TC1N
R782
0
2D
R808
4.7K
4.7K
TE1N
TB1P
TB4N
TB2P
TB1N
SCL_3.3V_MOD
TC2N
TA3P
R805
0
2D
TA2P
TB1N
P602
12507WS-15L
1
2
3
4
5
6
7
8
9
10
11
12
13
14
16
15
R632
10K
R630
22
22
C648
10pF
+3.3V_ST
+3.3V_ST
R634
10K
+3.3V_ST
C649
10pF
READY
SUB_SDA
R635
4.7K
TOUCH_VER_CHK
R631
22
22
R629
4.7K
4.7K
Q602
2SC3052
2SC3052
E
B
C
R633
4.7K
4.7K
LED_RED
C646
0.1uF
16V
0.1uF
16V
C645
10pF
READY
SUB_SCL
KEY1
R628
10K
KEY2
IR
R639
10K
IC303
STA368BWG
@compC
26
GND_PLL
27
XTI
28
BICKI
29
LRCKI
30
SDI
31
RESET
32
INT_LINE
33
SDA
34
SCL
35
GND_DIG_2
36
VDD_DIG_2
17
OUT3B/FFX3B
3
TEST_MODE
6
OUT2B
16
CONFIG
15
VDD
14
GND_REG
13
OUT1A
12
GND1
11
VCC1
10
OUT1B
9
OUT2A
8
VCC2
7
GND2
4
VSS
5
VCC_REG
2
SA
21
VDD_DIG_1
1
GND_SUB
20
TWARN/OUT4A
19
EAPD/OUT4B
18
OUT3A/FFX3A
23
PWRDN
24
VDD_PLL
25
FILTER_PLL
22
GND_DIG_1
3
7
[EP]GND
R781
2.2K
R780
2.2K
2.2K
ZD601
5.6B
C341
68uF
35V
C344
68uF
35V
READY
C355
22pF
50V
22pF
50V
READY
C356
22pF
50V
22pF
50V
READY
C357
22pF
50V
22pF
50V
READY
C358
22pF
50V
22pF
50V
READY
P703
104060-8017
FHD
1
2
3
4
5
6
7
8
9
1
0
1
1
1
2
1
3
1
4
1
5
1
6
1
7
1
8
1
9
2
0
2
1
2
2
2
3
2
4
2
5
2
6
2
7
2
8
2
9
3
0
3
1
3
2
3
3
3
4
3
5
3
6
3
7
3
8
3
9
4
0
4
1
4
2
4
3
4
4
4
5
4
6
4
7
4
8
4
9
5
0
5
1
5
2
5
3
5
4
5
5
5
6
5
7
5
8
5
9
6
0
6
1
6
2
6
3
6
4
6
5
6
6
6
7
6
8
6
9
7
0
7
1
7
2
7
3
7
4
7
5
7
6
7
7
7
8
7
9
8
0
8
1
Tuner/Audio Amp
LVDS / Key-IR
LVDS / Key-IR
GP2R_S7R
2010-08-31
3
Audio AMP
Close to Tuner
(Should be guarded by GND)
- Should be guarded by GND
- No Via
- Width(Signal) : min 12mm
GND(Signal) : min 24mm
- No Via
- Width(Signal) : min 12mm
GND(Signal) : min 24mm
Close-by
Close-by
Close-by
Close-by
H-NIM Tuner
Key/IR
LVDS
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