LG 42LN5300 / 42LN5390 (CHASSIS:LA32B) 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.
2012/11/07
HDMI_R1_S1
8
NC4_S7LRM
D2+_HDMI2
DDC_SCL_2
CEC_REMOTE_S7
CK-_HDMI4
JK801
EAG59023302
14
13
5
D1_GND
20
SHIELD
12
11
2
D2_GND
19
18
10
CK+
4
D1+
1
D2+
17
9
D0-
8
D0_GND
3
D2-
16
7
D0+
6
D1-
15
DDC_SDA_2
5V_HDMI_4
+3.3V_Normal
/VBUS_EN
D0+_HDMI4
CK+_HDMI2
HDMI_CEC
+3.5V_ST
R823
2.7K
R807
10K
R806
10K
R805
0
HDMI1_ARC
5V_HDMI_2
D825
MMBD6100
A
2
C
A
1
D0-_HDMI2
DDC_SDA_4
+5V_Normal
R818
3.3K
D2-_HDMI2
+5V_Normal
HPD4
HPD2
D1-_HDMI4
D2+_HDMI4
+3.3V_Normal
D0+_HDMI2
R819
1.8K
R817
10K
D800
30V
MBR230LSFT1G
DDC_SCL_4
CK-_HDMI2
5V_DET_HDMI_2
R826
1K
CK+_HDMI4
C809
10uF
10V
D812
OPT
5.6V
+3.5V_ST
D824
MMBD6100
A
2
C
A
1
D0-_HDMI4
HDMI_ARC
D1-_HDMI2
DDC_SDA_2
R812
10K
OPT
R808
100K
OPT
5V_HDMI_4
MHL_CD_SENSE
D1+_HDMI2
DDC_SCL_2
D822
MMBD6100
A
2
C
A
1
D1+_HDMI4
5V_HDMI_4
R801
3.3K
D2-_HDMI4
HDMI_CEC
R811
10K
OPT
D811
OPT
R822
2.7K
Q802
OPT
E
B
C
HDMI_CEC
AVDD5V_MHL
IC802
BD82020FVJ
3
IN_2
2
IN_1
4
EN
1
GND
5
OC
6
OUT_1
7
OUT_2
8
OUT_3
5V_DET_HDMI_4
C802
0.1uF
+5V_Normal
DDC_SDA_4
R820
100
100
Q801
MMBT3904(NXP)
E
B
C
R803
1.8K
Q803
OPT
E
B
C
5V_HDMI_2
D801
ESD_HDMI1_VARISTOR
DDC_SCL_4
/MHL_OCP_DET
C801
0.047uF
25V
0.047uF
25V
R804
0
0
JK803
EAG62611204
14
NC
13
CE_REMOTE
5
D1_GND
20
BODY_SHIELD
GND
12
CK-
11
CK_GND
2
D2_GND
19
HP_DET
18
5V
10
CK+
4
D1+
1
D2+
17
GND
9
D0-
8
D0_GND
3
D2-
16
DDC_DATA
7
D0+
6
D1-
15
DDC_CLK
R815
10K
Q804
E
B
C
Q806
E
B
C
Q805
E
B
C
R813
10K
R816
10K
MHL_OCP_EN
R802
0
0
R824
2.7K
R825
2.7K
R810
0
0
R831
300K
VA801
ESD_HDMI1_VARISTOR
VA802
ESD_HDMI
ESD_HDMI
R832
100
R833
100
VA803
ESD_HDMI
VA804
ESD_HDMI
VA805
ESD_HDMI
ESD_HDMI
VA806
ESD_HDMI
ESD_HDMI
R830
100
VA808
ESD_HDMI
VA807
ESD_HDMI
R834
100
R835
100
D827-*1
IP4283CZ10-TBA
ESD_HDMI_NXP
3
GND_1
2
TMDS_CH1+
4
TMDS_CH2-
1
TMDS_CH1-
5
TMDS_CH2+
6
NC_1
7
NC_2
8
GND_2
9
NC_3
10
NC_4
D826-*1
IP4283CZ10-TBA
ESD_HDMI_NXP
3
GND_1
2
TMDS_CH1+
4
TMDS_CH2-
1
TMDS_CH1-
5
TMDS_CH2+
6
NC_1
7
NC_2
8
GND_2
9
NC_3
10
NC_4
D829-*1
IP4283CZ10-TBA
ESD_HDMI_NXP
3
GND_1
2
TMDS_CH1+
4
TMDS_CH2-
1
TMDS_CH1-
5
TMDS_CH2+
6
NC_1
7
NC_2
8
GND_2
9
NC_3
10
NC_4
D828-*1
IP4283CZ10-TBA
ESD_HDMI_NXP
3
GND_1
2
TMDS_CH1+
4
TMDS_CH2-
1
TMDS_CH1-
5
TMDS_CH2+
6
NC_1
7
NC_2
8
GND_2
9
NC_3
10
NC_4
R814
2.7K
R821
10K
10K
R827
20K
D826
RCLAMP0524PA
RCLAMP0524PA
ESD_HDMI_SEMTECH
1
8
2
7
3
6
4
5
9
10
D827
RCLAMP0524PA
RCLAMP0524PA
ESD_HDMI_SEMTECH
1
8
2
7
3
6
4
5
9
10
D828
RCLAMP0524PA
RCLAMP0524PA
ESD_HDMI_SEMTECH
1
8
2
7
3
6
4
5
9
10
D829
RCLAMP0524PA
RCLAMP0524PA
ESD_HDMI_SEMTECH
1
8
2
7
3
6
4
5
9
10
VA801-*1
1uF
10V
1uF
10V
ESD_HDMI1_CAP
D801-*1
1uF
10V
1uF
10V
ESD_HDMI1_CAP
R809
10
SIDE_HDMI (MHL)
CEC
HDMI_1
MHL OCP
HDMI (REAR 1 / SIDE 1 MHL)
(Active Low)
(Active High)
F
i
b
e
r
O
p
t
i
c
Fiber Optic
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.
SPDIF
12/06/12
10
NC4_S7LRM
+3.3V_Normal
SPDIF_OUT
JK1001
2F01TC1-CLM97-4F
SPDIF-JACK-FOXCONN
3
VIN
2
VCC
1
GND
4
S
H
I
E
L
D
C1002
100pF
50V
100pF
50V
C1001
0.1uF
16V
0.1uF
16V
JK1001-*1
JST1223-001
SPDIF-JACK-SOLTEAM
1
GND
2
VCC
3
VINPUT
4
FIX_POLE
SPDIF OPTIC JACK
5.15 Mstar Circuit Application
SPDIF
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.
LVDS_NON_EU
2012/09/19
11
NC4_S7LRM
R1100
3.3K
3.3K
OPT
RXB0-
RXA0+
RXA0-
C1101
0.1uF
16V
0.1uF
16V
HD
RXA2-
C1100
0.1uF
16V
0.1uF
16V
FHD
RXA3-
RXBCK-
RXA1-
P1101
FF10001-30
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
RXA1-
RXB4-
RXA2+
+3.3V_Normal
RXB1+
RXBCK+
PANEL_VCC
RXB3+
RXA0+
RXA3-
RXB4+
RXA4-
RXA4+
RXA1+
RXA2+
+3.3V_Normal
RXB2-
R1101
10K
OPT
RXA1+
RXA2-
RXB1-
R1103
3.3K
3.3K
OPT
RXACK+
RXA3+
RXA0-
PANEL_VCC
RXA3+
RXACK-
RXB2+
R1104
10K
10K
OPT
RXB3-
RXB0+
P1100
FI-RE51S-HF-J-R1500
FHD
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
RXACK+
RXACK-
L1101
CIS21J121
120
HD
L1100
CIS21J121
120
FHD
R1111
0
NON_AUO/CMI_39inch
R1112
0
NON_AUO39inch
R1113
0
NON_AUO39inch
RXB1-
RXB0-
RXA4+
RXA1-
Pol-change
RXB4+
RXACK+
RXBCK-
RXA0+
RXA2+
LVDS (NON EU)
RXA2+
RXBCK-
RXB4-
RXA3+
RXA1+
RXB2+
RXB3-
RXA3-
RXBCK-
RXACK-
RXA2+
RXA1-
RXB1-
RXB3-
RXA3+
RXA2-
RXA0+
RXA4+
Shift
RXBCK+
RXB2-
RXA4+
[51Pin LVDS Connector]
(For FHD 60Hz)
(For FHD 60Hz)
RXACK+
RXA3-
RXACK-
RXB3+
RXA3+
RXA1-
RXB0-
RXA0-
RXACK+
RXB3+
LVDS_SEL
RXA4-
RXB3+
RXA4+
RXA2-
RXA2+
RXA1+
RXB2-
Pol-change
RXB4+
RXB1-
RXA4-
RXACK+
RXB3-
RXB0+
RXB3+
RXBCK+
RXB4-
RXA0+
RXA2+
RXB0+
RXB1+
RXA3-
RXA2-
RXBCK+
RXB4-
RXA0+
RXA4+
RXA2+
RXB3-
RXA0-
RXB0-
RXA4-
RXACK-
RXB0-
RXA4+
RXB2+
RXA1-
RXB2+
RXACK-
RXA3-
RXA1+
RXA3-
RXA1+
RXB3+
RXB3-
RXA3-
RXB1-
RXB4+
FOR FHD REVERSE(10bit)
RXB0+
RXB3-
RXA3+
RXA0+
RXA2-
RXACK-
RXB1-
RXA3+
RXB2-
RXBCK-
RXBCK+
RXA1+
RXA0-
RXA3+
RXA0-
RXB2+
RXB0-
RXA0-
RXB2-
RXACK-
MIRROR
RXB4-
RXA0-
RXB2+
RXA4+
RXB4-
RXA1+
RXB3+
RXB0+
RXB1+
RXA1-
RXA0-
RXA4-
RXB2-
Change in S7LR
RXA4-
RXB2+
MIRROR
RXB1-
RXA3+
RXA1-
RXACK+
RXB3+
RXB0+
RXB4-
RXACK+
RXB1+
RXACK-
RXA4-
RXA1-
RXA2-
RXA0+
RXB0-
RXB1+
RXB4+
RXB2+
RXBCK-
RXB0-
FOR FHD REVERSE(8bit)
RXBCK-
RXBCK+
RXB4+
RXB0+
RXB2-
RXA1+
RXBCK-
RXA2-
RXB1+
RXB1+
RXB1-
RXA4-
RXB4+
[30Pin LVDS Connector]
(For HD 60Hz_Normal)
(For HD 60Hz_Normal)
Change in S7LR
RXB1+
RXB3-
RXA2+
RXA3-
RXA2-
RXB2-
LVDS_SEL
RXBCK+
RXB4-
RXB0+
RXA0+
RXB4+
RXBCK+
RXACK+
EU pin assign is different from NON EU.
Because of position of HD wafer.
Because of position of HD wafer.
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.
+1.8V_TU
R3760
0
HALF_NIM/IF_NON_FILTER
C3743
20pF
50V
20pF
50V
OPT
R3741-*1
1K
TU_IIC_NON_ATSC_1K
TU_GND_A
R3704
100
R3740-*1
1K
TU_IIC_NON_ATSC_1K
R3735
33
+3.3V_TU
LNA2_CTL
C3742
20pF
50V
20pF
50V
OPT
TUNER_RESET
L3703
CIS21J121
IF_P_MSTAR
R3758
82
82
OPT
R3736
33
TU_GND_A
DEMOD_SCL
IF_AGC_MAIN
TU3700
TDSS-G201D
TUNER_OPT
5
+B1[3.3V]
11
DIF[N]
2
RESET
10
DIF[P]
4
SDA
1
NC_1
9
IF_AGC
8
NC_3
3
SCL
7
+B2[1.8V]
6
NC_2
12
SHIELD
A1
A1
B1
B1
TU_SDA
+3.3V_TU
C3727
0.1uF
16V
R3733
100K
C3707
100pF
50V
100pF
50V
FE_TS_VAL_ERR
C3716
0.1uF
16V
+1.8V_TU
C3708
0.1uF
16V
16V
LNA_CTRL_2
C3738
0.1uF
16V
0.1uF
16V
+3.3V_TU
R3732
100
100
IC3703
AP1117E18G-13
2
OUT
3
IN
1
ADJ/GND
R3705
0
OPT
R3784
0
OPT
FE_TS_DATA[0]
TU_SCL
C3737
100pF
50V
100pF
50V
+3.3V_TU
C3740
0.1uF
16V
TU_CVBS
TU_SIF
R3761
0
HALF_NIM/IF_NON_FILTER
BR_RESET_DEMOD
R3740
1.8K
TU_IIC_ATSC_1.8K
TU_GND_A
FE_TS_CLK
RF_SWITCH_CTL
C3702
0.1uF
16V
OPT
FE_TS_SYNC
IF_AGC_SEL
C3710
0.1uF
16V
LNA_CTRL_1
C3713
18pF
50V
18pF
50V
C3701
0.1uF
16V
0.1uF
16V
DEMOD_SDA
C3717
0.1uF
16V
+3.3V_TU
C3711
18pF
50V
18pF
50V
R3741
1.8K
TU_IIC_ATSC_1.8K
C3725
0.1uF
16V
16V
IF_N_MSTAR
+3.3V_Normal
C3723
22uF
6.3V
22uF
6.3V
C3715
22uF
6.3V
22uF
6.3V
R3766
1
1
C3741-*1
10uF 10V
CAP_X7R_MP
C3741
10uF
10uF
10V
CAP_10uF_X5R
85C
R3761-*1
10
10
HALF_NIM/IF_FILTER
R3760-*1
10
10
HALF_NIM/IF_FILTER
R3714
0
NON_ASIA
R3715
0
NON_ASIA
TU3702
TDSH-G501D(B)
TUNER_ISOLATOR_DVB_1INPUT_H
5
+B1[3.3V]
11
DIF[N]
2
RESET
10
DIF[P]
4
SDA
1
NC
9
IF_AGC
8
CVBS
3
SCL
7
+B2[1.8V]
6
SIF
A1
A1
B1
B1
A2
A2
B2
B2
TU3700-*1
TDSS-H501F(B)
TUNER_ATSC
5
+B1[3.3V]
11
DIF[N]
2
RESET
10
DIF[P]
4
SDA
1
NC_1
9
IF_AGC
8
NC_3
3
SCL
7
+B2[1.8]
6
NC_2
12
SHIELD
A1
A1
B1
X
2012.06.21
should be guarded by ground
TUNER MULTI-OPTION
NC4_S7LRM
GLOBAL tuner block except EU and China
Pull-up can’t be applied
because of MODEL_OPT_2
because of MODEL_OPT_2
close to TUNER
close to TUNER
FE_BOOSTER_CTL
1. should be guarded by ground
2. No via on both of them
3. Signal Width >= 12mils
Signal to Signal Width = 12mils
Ground Width >= 24mils
2. No via on both of them
3. Signal Width >= 12mils
Signal to Signal Width = 12mils
Ground Width >= 24mils
close to the tuner pin, add,09029
Close to the tuner
TUNER_NON_EU
Size change,0929
14
FE_AGC_SPEED_CTL
GND seperation for ASIS tuner
CHANGE TO
10UF 10V X5R
10UF 10V X5R
CHANGE TO
6.3V 2012 X5R
6.3V 2012 X5R
CHANGE TO
6.3V 2012 X5R
6.3V 2012 X5R
HPF
LPF
Frequence
1
0
0
54MHz~350MHz
TW_FE_LNA FILTER_SETTING
CTRL_1
CTRL_2
0
350Hz~450MHz
450Hz~870MHz
Filter_Type
1
0
Through
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