LG 42LT360C-ZA (CHASSIS:LD2AC) Service Manual ▷ View online
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.
0 . 1 u F
16V
C3727
100pF
50V
50V
C3737
IF_AGC_MAIN
100
R3732
0
R3761
10uF
6.3V
6.3V
C3739
82
R3758
18pF
50V
50V
C3711
0 . 1 u F
16V
C3725
0 . 1 u F
16V
C3708
0 . 1 u F
16V
C3717
4.7K
R3753
+3.3V_TU
10uF
10V
C3741
+3.3V_TU
100K
R3733
22uF
10V
10V
C3715
TU_SDA
+3.3V_TU
0
R3760
0 . 1 u F
16V
C3710
20pF
50V
50V
C3742
OPT
IF_N_MSTAR
IF_P_MSTAR
33
R3735
100pF
50V
50V
C3707
0
R3749
NON_ASIA
0 . 1 u F
16V
C3716
TU_CVBS
MLB-201209-0120P-N2
L3703
0 . 1 u F
16V
C3740
0 . 1 u F
16V
16V
C3738
22uF
10V
10V
C3723
TU_SCL
+3.3V_TU
+1.2V/+1.8V_TU
TUNER_RESET
+1.2V/+1.8V_TU
+3.3V_TU
+3.3V_TU
18pF
50V
50V
C3713
1K
OPT
R3750
0 . 1 u F
16V
C3702
NON_ASIA
33
R3736
+3.3V_TU
TU_SIF
+3.3V_Normal
20pF
50V
50V
C3743
OPT
100
R3704
TDSS-G101D
SI2176_DVB_1INPUT_H
TU3700
5
+3.3V
11
DIF[N]
2
RESET
10
D I F [ P ]
4
SDA
1
NC
9
IF_AGC
8
CVBS
3
SCL
7
+1.8V
6
S I F
12
SHIELD
TDSS-H101F
TU3700-*1
SI2176_ATSC_1INPUT_H
5
+ B 1 [ 3 . 3 V ]
11
DIF[N]
2
RESET
10
D I F [ P ]
4
SDA
1
NC
9
IF_AGC
8
CVBS
3
SCL
7
+ B 2 [ 1 . 8 V ]
6
S I F
12
SHIELD
22uF
25V
25V
C3705
AZ1117BH-1.8TRE1
IC3703
1
ADJ/GND
2
OUT
3
IN
1K
R3741
1K
R3740
470
R3755
1/16W
1
5%
R3766
220
R3752
220
R3751
0
ASIA
R3785
2K
R3782
OPT
0
ASIA
R3786
0
NON_ASIA R3783
0
OPT
R3756
0
OPT
R3775
TDSS-G201D
TU3700-*2
SI2156_DVB_1INPUT_H
5
+ B 1 [ 3 . 3 V ]
11
DIF[N]
2
RESET
10
D I F [ P ]
4
SDA
1
NC_1
9
IF_AGC
8
NC_3
3
SCL
7
+ B 2 [ 1 . 8 V ]
6
NC_2
12
SHIELD
0
ASIA
C3702-*1
MMBT3906(NXP)
Q3703
E
B
C
MMBT3906(NXP)
Q3705
E
B
C
3 . 3
R3781
ASIA
3 . 3
R3780
ASIA
5pF
50V
50V
C3750
ASIA
5pF
50V
50V
C3751
ASIA
TUNER_L
20110511
14
GP3_S7LR
P4R_GLOBAL_TUNER_BLOCK
1 . s h o u l d b e g u a r d e d b y g r o u n d
2 . N o v i a o n b o t h o f t h e m
3 . S i g n a l W i d t h > = 1 2 m i l s
S i g n a l t o S i g n a l W i d t h = 1 2 m i l s
G r o u n d W i d t h > = 2 4 m i l s
s h o u l d b e g u a r d e d b y g r o u n d
a d d , 0 9 2 9
close to TUNER
c l o s e t o t h e t u n e r p i n , a d d , 0 9 0 2 9
S i z e c h a n g e , 0 9 2 9
60mA
C l o s e t o t h e t u n e r
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.
0 . 1 u F
50V
C501
0 . 1 u F
50V
50V
C521
1uF
25V
25V
C528
0 . 1 u F
50V
C537
+24V_AMP
0 . 1 u F
50V
50V
C519
+24V_AMP
SPK_L-
0 . 1 u F
16V
C514
390pF
50V
C533
0 . 1 u F
16V
C513
1000pF
50V
C516
AMP_SCL
100
R503
12
R515
+24V_AMP
0 . 1 u F
50V
50V
C540
12
R514
10K
R501
10.0uH
L506
10K
R502
WAFER-ANGLE
P501
1
2
3
4
0 . 4 7 u F
50V
C536
1N4148W
100V
OPT
D504
12
R512
22000pF
50V
C526
0 . 1 u F
50V
50V
C522
SPK_L+
AUD_MASTER_CLK
AMP_RESET
390pF
50V
C530
BLM18PG121SN1D
L502
12
R509
33pF
50V
50V
C507
SPK_L-
10uF
35V
35V
C523
0 . 1 u F
50V
50V
C520
0 . 4 7 u F
50V
C535
3.3K
R505
10.0uH
L505
1N4148W
100V
OPT
D502
12
R508
1N4148W
100V
OPT
D503
10.0uH
L504
12
R511
100
R506
1uF
25V
25V
C529
SPK_L+
0 . 1 u F
50V
C502
22000pF
50V
C517
SPK_R-
+24V
0 . 0 1 u F
50V
50V
OPT
C525
22000pF
50V
C518
0 . 1 u F
16V
C512
AUD_LRCK
10uF
10V
OPT
C511
1uF
25V
25V
C534
0 . 1 u F
50V
C538
390pF
50V
C531
10.0uH
L503
1000pF
50V
C505
MLB-201209-0120P-N2
L501
10uF
35V
C524
22000pF
50V
50V
C527
0 . 1 u F
50V
C539
+3.5V_ST
SPK_R+
33pF
50V
50V
C509
AMP_MUTE
100pF
50V
C503
1N4148W
100V
OPT
D501
AMP_SDA
0 . 1 u F
16V
C508
10uF
10V
10V
C515
10uF
10V
NOISE_IMPR.
C506
SPK_R+
+3.3V_Normal
390pF
50V
C532
AUD_LRCH
12
R513
AUD_SCK
3 . 3
OPT
R507
SPK_R-
1000pF
50V
C504
10uF
10V
NOISE_IMPR.
C510
100
R504
12
R510
10K
R520
10K
R521
POWER_DET
0
OPT
R522
THERMAL
NTP-7500L
IC501
1
AGND_PLL
2
AVDD_PLL
3
DVDD_PLL
4
LF
5
DGND_PLL
6
GND_1
7
DGND
8
DVDD
9
SDATA
10
WCK
11
BCK
12
SDA
13
SCL
14
/FAULT
15
MONITOR0
16
MONITOR1
17
MONITOR2
18
BST2B
19
PGND2B
20
OUT2B_1
21
OUT2B_2
22
PVDD2_1
23
PVDD2_2
24
PVDD2_3
25
OUT2A_1
26
OUT2A_2
27
PGND2A
28
BST2A
29
VDR2
30
AGND
31
VCC_5
32
VDR1
33
BST1B
34
PGND1B
35
OUT1B_1
36
OUT1B_2
37
PVDD1_1
38
PVDD1_2
39
PVDD1_3
40
OUT1A_1
41
OUT1A_2
42
PGND1A
43
BST1A
44
/RESET
45
AD
46
GND_IO
47
CLK_I
48
VDD_IO
49
[EP]
4.7K
R519
4.7K
R516
4.7K
R517
4.7K
R518
MMBT3904(NXP)
Q501
E
B
C
NTP7400
20110324
16
GP3_S7LR
SPEAKER_L
SPEAKER_R
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.
1K
R1614
EU_OPT
5.6V
OPT
D1611
SC1_CVBS_IN
SC1_G+
0 . 1 u F
50V
EU_OPT
C1625
470K
OPT
R1662
10K
EU_OPT
R1667
0 . 1 u F
50V
50V
EU_OPT
C1642
SN324
I C 1 6 0 1 - * 1
OP_AMP_AUK
3
NON_INV_IN1
2
INV_IN1
4
VCC
1
OUT1
6
INV_IN2
5
NON_INV_IN2
7
OUT2
8
OUT3
9
INV_IN3
10
NON_INV_IN3
11
GND
12
NON_INV_IN4
13
INV_IN4
14
OUT4
47K
EU_OPT
R1641
0 . 1 u F
16V
16V
C1607
EU_OPT
5.6V
OPT
D1607
DTV/MNT_L_OUT
10K
R1652
EU_OPT
10K
R1618
EU_OPT
75
EU_OPT
R1609
470
EU_OPT
R1640
10K
R1617
EU_OPT
30V
EU_OPT
D1604
330pF
50V
C1612
EU_OPT
120-ohm
L1604
EU_OPT
330pF
50V
50V
C1611
EU_OPT
SC1_L_IN
SC1_FB
SC1_ID
PSC008-01
EU_OPT
JK1602
1
AUDIO_R_OUT
2
AUDIO_R_IN
3
AUDIO_L_OUT
4
AUDIO_GND
5
B_GND
6
AUDIO_L_IN
7
B_OUT
8
ID
9
G_GND
10
D2B_IN
11
G_OUT
12
D2B_OUT
13
R_GND
14
RGB_GND
15
R_OUT
16
RGB_IO
17
SYNC_GND1
18
SYNC_GND2
19
SYNC_OUT
20
SYNC_IN
21
COM_GND
22
AV_DET
47uF
16V
16V
EU_OPT
C1621
DTV/MNT_VOUT
33K
EU_OPT
R1664
5.6V
OPT
OPT
D1601
AS324MTR-E1
OP_AMP_BCD
IC1601
3
IN1+
2
I N 1 -
4
VCC
1
OUT1
6
I N 2 -
5
IN2+
7
OUT2
8
OUT3
9
I N 3 -
10
IN3+
11
GND
12
IN4+
13
I N 4 -
14
OUT4
BLM18PG121SN1D
EU_OPT
L1601
DTV/MNT_L_OUT
SC1_R_IN
5.6V
OPT
D1609
75
R1604
EU_OPT
4700pF
EU_OPT
C1618
22
EU_OPT
R1627
75
EU_OPT
R1616
BLM18PG121SN1D
EU_OPT
L1602
SCART1_Rout
15K
EU_OPT
R1623
SC1_B+
10K
EU_OPT
R1668
SC1_DET
SC1_R+
30V
EU_OPT
D1605
0 . 1 u F
EU_OPT
C1636
75
R1605
EU_OPT
+3.3V_Normal
5.6V
OPT
OPT
D1608
390
EU_OPT
R1635
DTV/MNT_R_OUT
10K
R1613
EU_OPT
DTV/MNT_R_OUT
390
R4211
EU_OPT
1000pF
50V
50V
EU_OPT
C1610
30V
OPT
D1618
SC1_SOG_IN
EU_OPT
L1606
DTV/MNT_L_OUT
0
EU_OPT
R4221
2K
EU_OPT
R1648
30V
EU_OPT
D1606
12K
R1631
EU_OPT
75
EU_OPT
R1628
30V
OPT
D1610
180
EU_OPT
R1639
470K
R1606
EU_OPT
+3.5V_ST
220pF
50V
50V
OPT
C1608
120-ohm
L1603
EU_OPT
470K
R1607
EU_OPT
+12V/+15V
+12V/+15V
0 . 1 u F
50V
EU_OPT
C1623
30V
OPT
D1603
SCART1_Lout
33K
EU_OPT
R1665
3.9K
EU_OPT
R1629
12K
R1630
EU_OPT
30V
OPT
D1602
2.2K
EU_OPT
R1656
15K
EU_OPT
R1642
4700pF
EU_OPT
C1619
2.2K
EU_OPT
R1655
5.6K
EU_OPT
R1657
470K
OPT
R1661
5.6K
EU_OPT
R1658
SCART1_MUTE
75
R1608
EU_OPT
47pF
50V
50V
EU_OPT
C1604
33pF
EU_OPT
C1654
DTV/MNT_R_OUT
33pF
EU_OPT
C1655
1000pF
50V
50V
EU_OPT
C1609
0
EU_OPT
R4210
2K
EU_OPT
R1650
330pF
C1664
EU_OPT
330pF
C1665
EU_OPT
220K
R4218
EU_OPT
220K
R4217
EU_OPT
10uF
16V
16V
EU_OPT
C1644
10uF
16V
16V
EU_OPT
C1645
EXT_AMP_R_IN
470K
OPT
R14
2.2K
EXT_SPK
R18
EXT_AMP_R
33KEXT_SPK
R13
5.6K
EXT_SPK
R16
33pF
EXT_SPK
C11
5.6K
EXT_SPK
R17
220K
EXT_SPK
R21
EXT_AMP_L_IN
330pF
EXT_SPK
C15
EXT_AMP_L
470K
OPT
R15
220K
EXT_SPK
R20
330pF
EXT_SPK
C14
10K
EXT_SPK
R10
10K
EXT_SPK
R11
33K
EXT_SPK
R12
33pFEXT_SPK
C10
2.2K
EXT_SPK
R19
1K
SIDE_COMP
R9912
75
SIDE_COMP
R9910
SIDE_COMP_Pr+
10K
SIDE_COMP
R9904
SIDE_COMP_DET
75
SIDE_COMP
R9908
75
SIDE_COMP
R9909
SIDE_COMP_Pb+
5.6V
OPT
D9908
30V
SIDE_COMP
D9907
KJA-PH-1-0177
SIDE_COMP
JK1600
3
M3_DETECT
4
M4
5
M5_GND
1
M1
6
M6
SIDE_COMP_Y+
+3.3V_Normal
30V
SIDE_COMP
D9905
30V
SIDE_COMP
D9906
5.6V
D1624
OPT
+3.3V_Normal
5.6V
D1626
220pF
50V
50V
OPT
C1648
470K
R1672
47pF
50V
50V
C1643
10K
R1660
10K
R1685
30V
D1619
P P J 2 3 3 - 0 1
JK1604
4A
[YL]O-SPRING
5A
[YL]E-LUG
3A
[YL]CONTACT
4B
[WH]C-LUG
5C
[RD]E-LUG
4C
[RD]O-SPRING
3C
[RD]CONTACT
AV_COMP_PC_R_IN
12K
R1688
120-ohm
L1610
AV_CVBS_DET
AV_COMP_PC_L_IN
0 . 1 u F
16V
16V
C1646
10K
R1684
330pF
50V
C1663
5.6V
D1625
AV_CVBS_IN
120-ohm
L1609
330pF
50V
50V
C1662
470K
R1671
75
R1654
1K
R1666
12K
R1689
MMBT3906(NXP)
Q1610
E
B
C
MMBT3904(NXP)
EU_OPT
Q1607
MMBT3904(NXP)
EU_OPT
Q1602
E
B
C
MMBT3904(NXP)
EU_OPT
Q1608
MMBT3906(NXP)
EU_OPT
Q1601
E
B
C
100uF
16V
16V
EU_OPT
C1620
REAR_JACK
20110324
17
GP3_S7LR
[SCART AUDIO MUTE]
Gain=1+Rf/Rg
F u l l S c a r t
Rg
IN CASE OF SMALL= 15V
CLOSE TO MSTAR
Rf
CLOSE TO MSTAR
SIDE COMPONENT PHONE JACK
L-MONO
Rear AV
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.
DSUB_DET
5.6V
OPT
D1114
RGB_DDC_SDA
2.2K
R1140
30V
D1110
30V
D1113
18pF
50V
C1128
DSUB_HSYNC
2.2K
R1139
+3.3V_Normal
DSUB_B+
10K
R1146
75
R1133
30V
D1112
1K
R1147
22
R1143
+5V_Normal
75
R1137
RGB_DDC_SCL
68pF
50V
50V
OPT
C1126
18pF
50V
C1127
75
R1135
22
R1141
5.6V
OPT
OPT
D1116
30V
D1109
SPG09-DB-010
JK1104
1
RED
2
GREEN
3
BLUE
4
GND_1
5
DDC_GND
6
RED_GND
7
GREEN_GND
8
BLUE_GND
9
NC
10
SYNC_GND
11
GND_2
12
DDC_DATA
13
H_SYNC
14
V_SYNC
15
DDC_CLOCK
16
SHILED
DSUB_G+
5.6V
D1117
OPT
ENKMC2838-T112
D1115
A1
C
A2
DSUB_R+
DSUB_VSYNC
68pF
50V
50V
OPT
C1122
30V
D1111
0 . 1 u F
16V
C1129
20110324
GP3_S7LR
RGB/SPDIF/HP
9
RGB PC
RGB
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