DOWNLOAD LG 47LV5400-UB (CHASSIS:LA12E) Service Manual ↓ Size: 8.87 MB | Pages: 77 in PDF or view online for FREE

Model
47LV5400-UB (CHASSIS:LA12E)
Pages
77
Size
8.87 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
47lv5400-ub-chassis-la12e.pdf
Date
PREV: LG 47LV4500-ZC / 47LV450A-ZC / 47LV450N-ZC / 47LV450U-ZC (CHASSIS:LD01U) Service Manual

LG 47LV5400-UB (CHASSIS:LA12E) 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.
SCL2_3.3V
R1602
33
SDA2_3.3V
R1601
33
L/DIM0_MOSI
L/DIM0_SCLK
L/DIM0_VS
P1601
12507WR-08L
1
2
3
4
5
6
7
8
9
50
BCM35230
16
L_DIMMING
[Local Dimming Block]
T
H
E
R
M
A
L
T
H
E
R
M
A
L
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.
R1745-*1
CIS21J121
L1709
120-ohm
+3.3V_DVDD
C1744
0.033uF
50V
R1706
100
C1777
0.33uF
50V
SPK_Woofer_R+
SPK_Woofer_R-
R1730
3.3
WOOFER
C1787
0.01uF
50V
WOOFER
C1703
33pF
OPT
C1769
100pF
50V
WOOFER
R1710
33
C1737
2200pF
50V
+3.3V_AU_AVDD
+24V_AMP
SDA3_3.3V
AMP_RESET_N
R1722
18
1/16W
WOOFER
R1739
0
C1763
10uF
35V
WOOFER
R1731
3.3
WOOFER
SPK_L+
C1724
0.047uF
C1732
4700pF
+3.3V_DVDD
AMP_RESET
+3.3V_AU_AVDD
C
1
7
3
9
1
u
F
2
5
V
WOOFER
SPK_L-
R1752
0
WOOFER
C1797
33pF
OPT
SCL3_3.3V
R1720
470
WOOFER
+24V
P1702
AUDIO_ANGLE
WAFER-ANGLE
1
2
3
4
R1718
470
WOOFER
R1742
0
SPK_OUTPUT_RESISTER
C1719
33pF
OPT
C1780
0.33uF
50V
WOOFER
R1757
0
WOOFER
C
1
7
4
0
1
u
F
2
5
V
R1702
33
R1743
0
+24V_AMP
SPK_Woofer_L-
C1735
2200pF
50V
WOOFER
R1753
0
C1768
100pF
50V
WOOFER
SPK_Woofer_L+
C1738
0.1uF
SPK_L+
R1755
0
C1791
0.01uF
50V
C1774
100pF
50V
SPK_R+
C1767
100pF
50V
WOOFER
AUD_SCK
C1717
0.1uF
WOOFER
L1710
120-ohm
C1789
0.01uF
50V
WOOFER
R1743-*1
CIS21J121
SPK_Woofer_L+
C1792
0.01uF
50V
Amp_Mute_PDN
SDA3_3.3V
C1721
33pF
OPT
R1741-*1
CIS21J121
C1758
0.033uF
50V
WOOFER
AUD_SCK
R1741
0
R1733
3.3
WOOFER
C1762
0.033uF
50V
C1711
33pF
OPT
R1723
18
1/16W
WOOFER
R1728
18
1/16W
C1782
0.33uF
50V
WOOFER
C1748
0.01uF
WOOFER
C1702
1000pF
50V
OPT
C1754
0.01uF
C1751
0.01uF
R1724
18
1/16W
WOOFER
C1727
0.1uF
16V
C1701
1000pF
OPT
R1735
3.3
C1712
0.1uF
SPK_Woofer_R+
C1743
0.033uF
50V
R1721
470
R1732
3.3
WOOFER
C1720
33pF
OPT
0.1uF
C1796
50V
R1738
0
WOOFER_OUTPUT_RESISTOR
C1761
0.033uF
50V
+24V_AMP
SPK_R-
SPK_L-
C1770
100pF
50V
WOOFER
R1704
2K
OPT
R1744
0
R1705
0
OPT
C1776
0.33uF
50V
WOOFER
+3.3V_AU_AVDD
AMP_MUTE
R1762
10K
OPT
R1761
10K
OPT
SCL3_3.3V
C1736
0.1uF
WOOFER
R1701
10K
C1785
0.33uF
50V
AUD_LRCH
C1766
10uF
35V
C1765
10uF
35V
WOOFER
C1783
0.33uF
50V
L1711
MLB-201209-0120P-N2
AMP_RESET
+3.3V_DVDD
C1775
0.33uF
50V
WOOFER
C1723
0.047uF
WOOFER
R1739-*1
CIS21J121
R1708
33 WOOFER
SPK_Woofer_R-
C1726 4700pF
WOOFER
C1742
0.033uF
50V
WOOFER
C1725
0.1uF
16V
WOOFER
R1742-*1
CIS21J121
SPK_OUTPUT_BEAD
C1728 4700pF
C1741
0.033uF
50V
WOOFER
R1740
0
C1733
0.047uF
WOOFER
C1704
33pF
OPT
R1703
10K
R1738-*1
CIS21J121
WOOFER_OUTPUT_BEAD
C1734
0.047uF
C1788
0.01uF
50V
WOOFER
R1711
33
SPK_R+
R1713
15K
R1734
3.3
C1790
0.01uF
50V
WOOFER
C1779
0.33uF
50V
WOOFER
R1726
18
1/16W
C1722
33pF
OPT
Q1701
2SC3052
E
B
C
+24V_AMP
R1717
18K
1%
+3.5V_ST
SPK_Woofer_L-
R1758
0 WOOFER
R1707
0
R1754
0
C1718
0.1uF
Amp_Mute_PDN
R1725
18
1/16W
WOOFER
C1731
4700pF
WOOFER
C1771
100pF
50V
C1773
100pF
50V
AUD_LRCK
R1729
18
1/16W
C1772
100pF
50V
C1781
0.33uF
50V
WOOFER
C1759
0.033uF
50V
WOOFER
AUD_MASTER_CLK
+24V_AMP
C1784
0.33uF
50V
AMP_RESET
C1764
10uF
35V
+3.3V_Normal
R1740-*1
CIS21J121
+3.3V_DVDD
C1708
33pF
OPT
C1794
0.01uF
50V
AUD_MASTER_CLK
0.1uF
C1795
50V
C1778
0.33uF
50V
AUD_LRCK
R1745
0
R1719
470
SPK_R-
R1712
15K
WOOFER
AUD_LRCH
R1716
18K
1%
WOOFER
C1710
33pF
OPT
R1709
33 WOOFER
R1744-*1
CIS21J121
R1759
0 WOOFER
C1752
0.01uF
WOOFER
R1737
3.3
R1736
3.3
Amp_Mute_PDN
P1701
SMAW250-05
WOOFER
1
2
3
4
5
R1727
18
1/16W
C1786
0.33uF
50V
C1709
0.1uF
WOOFER
R1756
0
R1760
0 WOOFER
C1706
33pF
OPT
C1793
0.01uF
50V
C1798
33pF
OPT
L1704
NRS6045T100MMGK
10.0uH
L1702
WOOFER
10.0uH
NRS6045T100MMGK
L1708
NRS6045T100MMGK
10.0uH
L1707
NRS6045T100MMGK
10.0uH
L1703
NRS6045T100MMGK
10.0uH
L1701
WOOFER
10.0uH
NRS6045T100MMGK
L1706
NRS6045T100MMGK
WOOFER
10.0uH
L1705
NRS6045T100MMGK
WOOFER
10.0uH
IC1701
TAS5727
WOOFER
I2C : 0X56
1
OUT_A
2
PVDD_A_1
3
PVDD_A_2
4
BST_A
5
NC_1
6
SSTIMER
7
NC_2
8
PBTL
9
AVSS
10
PLL_FLTM
11
PLL_FLTP
12
VR_ANA
13
AVDD
14
A_SEL_FAULT
15
MCLK
16
OSC_RES
17
DVSSO
18
VR_DIG
19
PDN
20
LRCLK
21
SCLK
22
SDIN
23
SDA
24
SCL
2
5
R
E
S
E
T
2
6
S
T
E
S
T
2
7
D
V
D
D
2
8
D
V
S
S
2
9
G
N
D
3
0
A
G
N
D
3
1
V
R
E
G
3
2
G
V
D
D
_
O
U
T
_
2
3
3
B
S
T
_
D
3
4
P
V
D
D
_
D
_
1
3
5
P
V
D
D
_
D
_
2
3
6
O
U
T
_
D
37
PGND_CD_1
38
PGND_CD_2
39
OUT_C
40
PVDD_C_1
41
PVDD_C_2
42
BST_C
43
BST_B
44
PVDD_B_1
45
PVDD_B_2
46
OUT_B
47
PGND_AB_1
48
PGND_AB_2
4
9
[EP]
IC1702
TAS5727
I2C : 0X54
1
OUT_A
2
PVDD_A_1
3
PVDD_A_2
4
BST_A
5
NC_1
6
SSTIMER
7
NC_2
8
PBTL
9
AVSS
10
PLL_FLTM
11
PLL_FLTP
12
VR_ANA
13
AVDD
14
A_SEL_FAULT
15
MCLK
16
OSC_RES
17
DVSSO
18
VR_DIG
19
PDN
20
LRCLK
21
SCLK
22
SDIN
23
SDA
24
SCL
2
5
R
E
S
E
T
2
6
S
T
E
S
T
2
7
D
V
D
D
2
8
D
V
S
S
2
9
G
N
D
3
0
A
G
N
D
3
1
V
R
E
G
3
2
G
V
D
D
_
O
U
T
_
2
3
3
B
S
T
_
D
3
4
P
V
D
D
_
D
_
1
3
5
P
V
D
D
_
D
_
2
3
6
O
U
T
_
D
37
PGND_CD_1
38
PGND_CD_2
39
OUT_C
40
PVDD_C_1
41
PVDD_C_2
42
BST_C
43
BST_B
44
PVDD_B_1
45
PVDD_B_2
46
OUT_B
47
PGND_AB_1
48
PGND_AB_2
4
9
[EP]
P1702-*1
TJC2508-4A
AUDIO_STRAIGHT
1
2
3
4
DUAL COMPONENT
VERY CLOSE AMP IC
Q1701
BCM35230
Separate DGND AND AVSS
WOOFER
50
This parts are Located 
on AVSS area.
SPEAKER_L
17
This parts are Located 
on AVSS area.
1ST : 0TRIY80001A  2ND : 0TR387500AA
Place at Bottom
VERY CLOSE AMP IC
Separate DGND AND AVSS
AUDIO[TI]
SPEAKER_R
TAS5727
MAIN
VERY CLOSE AMP IC
VERY CLOSE AMP IC
Place at Bottom
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.
PCM_TS_DATA[7]
PCM_MDI[7]
PCM_MDI[5]
CI_ADDR[7]
PCM_MDI[0]
CI_ADDR[11]
CI_ADDR[9]
CI_ADDR[13]
PCM_TS_DATA[3]
PCM_TS_DATA[0]
PCM_MDI[2]
PCM_MDI[6]
CI_ADDR[5]
PCM_TS_DATA[1]
CI_ADDR[14]
PCM_MDI[4]
CI_ADDR[4]
PCM_MDI[3]
PCM_TS_DATA[6]
CI_ADDR[8]
CI_ADDR[12]
CI_ADDR[6]
PCM_TS_DATA[5]
PCM_TS_DATA[2]
CI_ADDR[2]
PCM_MDI[1]
CI_ADDR[3]
CI_ADDR[10]
PCM_TS_DATA[4]
PCM_MDI[0-7]
PCM_MIVAL_ERR
/CI_CE1
CI_DET
/PCM_IRQA
/CI_CE2
PCM_MCLKI
CI_ADDR[2-14]
PCM_TS_VAL
/PCM_WAIT
PCM_5V_CTL
PCM_MISTRT
PCM_TS_DATA[0-7]
PCM_TS_CLK
PCM_TS_SYNC
PCM_RST
NON CI
20
NON CI
50
BCM35230
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.
FE_TS_DATA[2]
FE_TS_DATA[5]
FE_TS_DATA[0]
FE_TS_DATA[7]
FE_TS_DATA[4]
FE_TS_DATA[3]
FE_TS_DATA[6]
FE_TS_DATA[1]
C2144
0.1uF
16V
TS_VAL_ERR
R2161
0
1/16W
5%
OPT
R2133
4.7K
R2120
100K
OPT
R2107
100K
OPT
L2114
BLM18PG121SN1D
CHB
C2176
0.1uF
CHB
C2108
0.1uF
16V
+3.3V_TU
C2140
0.1uF
16V
C2145
0.1uF
16V
CHB
C2122
18pF
50V
L2105
MLB-201209-0120P-N2
CHB
R2117
100
R2123
33
CHB
CHB_CVBS
+1.8V_CHB_TU
C2134
100uF
16V
CHB
C2117
100pF
50V
CHB
C2179
0.1uF
50V
C2124
100pF
50V
CHB
+3.3V_M_TU
IF_N
R2138
82
C2142
10uF
10V
CHB
R2163
75
OPT
C2162
10uF
10V
+3.3V_DE
C2180
2.2uF
16V
C2151
22uF
16V
+1.26V_TU
CHB_TS_SYNC
C2106
100uF
16V
+3.3V_TU
C2152
0.1uF
CHB
C2101
0.1uF
16V
OPT
IF_AGC
C2103
100pF
50V
R2142
220
+3.3V_TU
R2145
1
CHB
Q2101
MMBT3906(NXP) 
CHB
E
B
C
TU_CVBS
R2168
0
CHB
L2110
BLM18PG121SN1D
C2105
0.1uF
16V
+5V_Normal
IF_P
C2128
100pF
50V
CHB
TU_SIF
C2153
0.1uF
RF_SWITCH_CTL
C2104
18pF
50V
OPT
C2147
0.1uF
16V
R2134
470
+5V_TU
+3.3V_S_TU
+1.8V_S_TU
C2118
18pF
50V
+3.3V_TU
C2168
0.1uF
CHB_TS_CLK
+5V_TU
TU_TS_SYNC
+5V_TU
R2136
0
OPT
R2104
0
OPT
L2104
BLM18PG121SN1D
R2169
0
CHB
L2106
MLB-201209-0120P-N2
C2123
0.1uF
16V
C2183
0.1uF
16V
C2177
0.1uF
R2106
0
CHB
SDA0_3.3V
+3.3V_S_TU
CHB_TS_DATA
R2102
0
OPT
C2163
10uF
10V
CHB
SDA1_3.3V
R2128
100K
OPT
+1.8V_CHB_TU
R2101
0
OPT
SCL0_3.3V
+1.8V_M_TU
C2160
10uF
10V
CHB
C2167
0.1uF
CHB
C2161
10uF
10V
CHB
R2114
220
CHB
SCL1_3.3V
R2116
220
CHB
S2_RESET
L2111
120-ohm
C2159
10uF
10V
CHB
R2124
33
CHB
R2122
33
CHB
R2121
100
CHB
C2166
0.1uF
CHB
R2143
220
+3.3V_M_TU
L2103
MLB-201209-0120P-N2
R2137
0
22uF
C2181
C2111
0.1uF
16V
OPT
+3.3V_S_TU
R2139
1K
OPT
RF_BOOSTER_CTL
+1.8V_M_TU
R2166
1K
C2182
22uF
10V
L2116
BLM18PG121SN1D
CHB
C2107
100pF
50V
TU_RESET_SUB
TU_RESET
C2157
0.1uF
16V
C2127
100uF
16V
CHB
C2113
0.1uF
16V
R2112
1K
OPT
C2169
0.1uF
CHB
+3.3V_DE
+1.26V_TU
C2120
0.1uF
16V
CHB
R2113
1K
OPT
+5V_TU
+1.8V_S_TU
R2140
1K
OPT
C2131
0.1uF
16V
CHB
+3.3V_TU
C2112
100pF
50V
C2129
100pF
50V
+3.3V_S_TU
+3.3V_Normal
C2102
18pF
50V
OPT
C2121
0.1uF
16V
CHB
C2178
2.2uF
16V
FE_TS_DATA[0-7]
C2165
0.1uF
CHB
L2115
BLM18PG121SN1D
CHB
C2154
22uF
16V
Q2105
MMBT3906(NXP) 
E
B
C
RF_SWITCH_CTL_2
R2125
33
CHB
C2116
100uF
16V
C2125
0.1uF
16V
CHB
C2126
0.1uF
16V
CHB
L2112
BLM18PG121SN1D
CHB
L2107
MLB-201209-0120P-N2
CHB
TU_TS_CLK
L2109
120-ohm
CHB
BLM18PG121SN1D
+5V_TU
C2141
22uF
16V
C2149
0.1uF
16V
CHB_TS_VAL
L2108
120-ohm
CHB
BLM18PG121SN1D
Q2104
MMBT3906(NXP) 
E
B
C
C2115
100pF
50V
CHB
TU2101
UFA55AL
NON_CHB_TUNER_V_S
14
+3.3V
13
+1.2V
5
AS
12
GND
11
VIDEO
2
NC_2
10
NC_3
4
NC[RF_AGC]
1
NC_1
17
DIF_1
9
SIF
8
NC(IF_TP)
3
+B[+5V]
16
IF_AGC_CNTL
7
SDA
6
SCL
15
RESET
18
DIF_2
19
SHIELD
TU2101-*1
UDA55AL
NON_CHB_TUNER_H_S
14
+3.3V
13
+1.2V
5
AS
12
GND
11
VIDEO
2
NC_2
10
NC_3
4
NC[RF_AGC]
1
NC_1
17
DIF_1
9
SIF
8
NC(IF_TP)
3
+B[+5V]
16
IF_AGC_CNTL
7
SDA
6
SCL
15
RESET
18
DIF_2
19
SHIELD
R2135
220
R2167
4.7
IC2102
AZ1117BH-1.8TRE1
CHB
2
OUT
3
IN
1
ADJ/GND
IC2103
AZ1117BH-ADJTRE1
1
ADJ/GND
2
OUTPUT
3
INPUT
L2101
BLM18PG121SN1D
C2109
0.1uF
16V
OPT
TU2102
TDSB-H031F
CHB_TUNER
1
SW_CTL1[NC]
2
SW_CTL2[NC]
3
SW_5V
4
S_3.3V
5
S_1.8V
6
TU_SCL
7
TU_SDA
8
M_1.8V
9
M_SIF
10
M_3.3V
11
M_CVBS
12
GND_1
13
SD_1.2V
14
SD_3.3V
15
TU_RESET
16
M_IF_AGC
17
M_DIF[N]
18
M_DIF[P]
19
SD_ERROR
20
SD_SYNC
21
SD_VALID
22
SD_MCL
23
SD_D0
24
NC
25
GND_2
26
GND_3
27
GND_4
28
GND_5
29
GND_6
30
GND_7
31
SD_2.5V[OPT]
37
SHIELD
32
SD_RESET
33
SIF/NC
34
S_CVBS
35
SD_SCL
36
SD_SDA
TU2101-*2
TDVJ-H131F
NON_CHB_TUNER_V_L
14
+B3[3.3V]
13
+B2[1.2V]
5
MOPLL_AS
12
GND
11
VIDEO
2
NC_2
10
NC
4
RF_AGC
1
NC_1
17
DIF_1[N]
9
SIF
8
NC_3
3
+B1[5V]
16
IF_AGC
7
SDA
6
SCL
15
RESET
18
DIF_2[P]
19
SHIELD
TU2101-*3
TDVJ-H101F
NON_CHB_TUNER_H_L
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
DUAL COMPONENT
CLOSE TO PIN 25
IC2103
close to TUNER
1ST : EAN61507501, 2ND : EAN54428101
50
PIN 25~30 MUST BE SEPARATED TUNER GND
BCM35230
IC2102
Close to Tuner
R1
R2
NON_CHB & CHB TUNER (KOR/USA)
CLOSE TO PIN 29
Close to Tuner
ATSC_TUNER
VOUT = VREF *(1+R2/R1)
21
close to TUNER
close to TUNER
1ST : EAN61829801, 2ND : EAN544289201
Close to Tuner
NON_CHB_LGIT_TUNER
NON_CHB_SANYO_TUNER
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