LG 55LV5400 (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.
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.
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
0
1/16W
5%
5%
OPT
R2133
4.7K
R2120
100K
OPT
R2107
100K
OPT
L2114
BLM18PG121SN1D
CHB
C2176
0.1uF
0.1uF
CHB
C2108
0.1uF
16V
16V
+3.3V_TU
C2140
0.1uF
16V
C2145
0.1uF
16V
0.1uF
16V
CHB
C2122
18pF
50V
18pF
50V
L2105
MLB-201209-0120P-N2
CHB
R2117
100
100
R2123
33
33
CHB
CHB_CVBS
+1.8V_CHB_TU
C2134
100uF
16V
16V
CHB
C2117
100pF
50V
100pF
50V
CHB
C2179
0.1uF
50V
0.1uF
50V
C2124
100pF
50V
100pF
50V
CHB
+3.3V_M_TU
IF_N
R2138
82
82
C2142
10uF
10V
10uF
10V
CHB
R2163
75
OPT
C2162
10uF
10uF
10V
+3.3V_DE
C2180
2.2uF
16V
C2151
22uF
16V
+1.26V_TU
CHB_TS_SYNC
C2106
100uF
16V
16V
+3.3V_TU
C2152
0.1uF
0.1uF
CHB
C2101
0.1uF
16V
0.1uF
16V
OPT
IF_AGC
C2103
100pF
50V
100pF
50V
R2142
220
+3.3V_TU
R2145
1
CHB
Q2101
MMBT3906(NXP)
CHB
E
B
C
TU_CVBS
R2168
0
0
CHB
L2110
BLM18PG121SN1D
C2105
0.1uF
16V
0.1uF
16V
+5V_Normal
IF_P
C2128
100pF
50V
100pF
50V
CHB
TU_SIF
C2153
0.1uF
0.1uF
RF_SWITCH_CTL
C2104
18pF
50V
18pF
50V
OPT
C2147
0.1uF
0.1uF
16V
R2134
470
+5V_TU
+3.3V_S_TU
+1.8V_S_TU
C2118
18pF
50V
18pF
50V
+3.3V_TU
C2168
0.1uF
0.1uF
CHB_TS_CLK
+5V_TU
TU_TS_SYNC
+5V_TU
R2136
0
OPT
R2104
0
OPT
L2104
BLM18PG121SN1D
R2169
0
0
CHB
L2106
MLB-201209-0120P-N2
C2123
0.1uF
16V
C2183
0.1uF
16V
C2177
0.1uF
0.1uF
R2106
0
CHB
SDA0_3.3V
+3.3V_S_TU
CHB_TS_DATA
R2102
0
OPT
C2163
10uF
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
10uF
10V
CHB
C2167
0.1uF
0.1uF
CHB
C2161
10uF
10uF
10V
CHB
R2114
220
CHB
220
CHB
SCL1_3.3V
R2116
220
CHB
S2_RESET
L2111
120-ohm
C2159
10uF
10uF
10V
CHB
R2124
33
33
CHB
R2122
33
33
CHB
R2121
100
100
CHB
C2166
0.1uF
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
22uF
10V
L2116
BLM18PG121SN1D
BLM18PG121SN1D
CHB
C2107
100pF
50V
100pF
50V
TU_RESET_SUB
TU_RESET
C2157
0.1uF
16V
C2127
100uF
16V
16V
CHB
C2113
0.1uF
16V
16V
R2112
1K
OPT
C2169
0.1uF
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
16V
CHB
+3.3V_TU
C2112
100pF
50V
100pF
50V
C2129
100pF
50V
+3.3V_S_TU
+3.3V_Normal
C2102
18pF
50V
18pF
50V
OPT
C2121
0.1uF
16V
CHB
C2178
2.2uF
16V
FE_TS_DATA[0-7]
C2165
0.1uF
0.1uF
CHB
L2115
BLM18PG121SN1D
CHB
C2154
22uF
16V
Q2105
MMBT3906(NXP)
E
B
C
RF_SWITCH_CTL_2
R2125
33
33
CHB
C2116
100uF
16V
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
100pF
50V
CHB
TU2101
UFA55AL
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
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
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
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
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
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.
LNB_INT
24
BCM35230
NON LNB
50
Non_DVB-S2 LNB Part_Allegro
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.
SCART1_Rout_P
DTV/MNT_V_OUT
SC_ID
SC_RE1
SCART1_Rout_N
SCART1_Lout_P
SC_CVBS_IN
SC_RE2
SCART1_Lout_N
SC_FB
INCM_VID_SC
DTV_ATV_SELECT
SCART_MUTE
JP2601
JP2602
JP2603
JP2604
JP2605
JP2606
JP2607
JP2608
JP2609
JP2610
JP2611
JP2612
26
BCM35230
NON SCART
50
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