Read LG 47LW6500-UA (CHASSIS:LA12C) Service Manual 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
C2144
TS_VAL_ERR
1/16W
0
5%
R2161
OPT
4.7K
R2133
100K
R2120
OPT
100K
OPT
R2107
BLM18PG121SN1D
L2114
CHB
0 . 1 u F
CHB
C2176
0 . 1 u F
16V
C2108
+3.3V_TU
0 . 1 u F
16V
C2140
0 . 1 u F
16V
16V
C2145
CHB
18pF
50V
50V
C2122
MLB-201209-0120P-N2
L2105
CHB
100
R2117
33
CHB
R2123
CHB_CVBS
+1.8V_CHB_TU
100uF
16V
16V
C2134
CHB
100pF
50V
50V
CHB
C2117
0 . 1 u F
50V
50V
C2179
100pF
50V
50V
C2124
CHB
+3.3V_M_TU
IF_N
82
R2138
10uF
10V
10V
C2142
CHB
75
R2163
OPT
10uF
10V
C2162
+3.3V_DE
2 . 2 u F
16V
C2180
22uF
16V
C2151
+1.26V_TU
CHB_TS_SYNC
100uF
16V
16V
C2106
+3.3V_TU
0 . 1 u F
C2152
CHB
0 . 1 u F
16V
16V
C2101
OPT
IF_AGC
100pF
50V
50V
C2103
220
R2142
+3.3V_TU
1
R2145
CHB
MMBT3906(NXP)
CHB
Q2101
E
B
C
TU_CVBS
0
R2168
CHB
BLM18PG121SN1D
L2110
0 . 1 u F
16V
16V
C2105
+5V_Normal
IF_P
100pF
50V
50V
C2128
CHB
TU_SIF
0 . 1 u F
C2153
RF_SWITCH_CTL
18pF
50V
50V
OPT
C2104
0 . 1 u F
16V
C2147
470
R2134
+5V_TU
+3.3V_S_TU
+1.8V_S_TU
18pF
50V
50V
C2118
+3.3V_TU
0 . 1 u F
C2168
CHB_TS_CLK
+5V_TU
TU_TS_SYNC
+5V_TU
0
OPT
R2136
0
OPT
R2104
BLM18PG121SN1D
L2104
0
R2169
CHB
MLB-201209-0120P-N2
L2106
0 . 1 u F
16V
C2123
0 . 1 u F
16V
C2183
0 . 1 u F
C2177
0
CHB
R2106
SDA0_3.3V
+3.3V_S_TU
CHB_TS_DATA
0
OPT
R2102
10uF
10V
C2163
CHB
SDA1_3.3V
100K
R2128
OPT
+1.8V_CHB_TU
0
OPT
R2101
SCL0_3.3V
+1.8V_M_TU
10uF
10V
C2160
CHB
0 . 1 u F
C2167
CHB
10uF
10V
C2161
CHB
220
CHB
R2114
SCL1_3.3V
220
CHB
R2116
S2_RESET
120-ohm
L2111
10uF
10V
C2159
CHB
33 CHB
R2124
33
CHB
R2122
100
CHB
R2121
0 . 1 u F
C2166
CHB
220
R2143
+3.3V_M_TU
MLB-201209-0120P-N2
L2103
0
R2137
22uF
C2181
0 . 1 u F
16V
OPT
C2111
+3.3V_S_TU
1K
OPT
R2139
RF_BOOSTER_CTL
+1.8V_M_TU
1K
R2166
22uF
10V
C2182
BLM18PG121SN1D
L2116
CHB
100pF
50V
50V
C2107
TU_RESET_SUB
TU_RESET
0 . 1 u F
16V
C2157
100uF
16V
16V
C2127
CHB
0 . 1 u F
16V
C2113
1K
OPT
R2112
0 . 1 u F
C2169
CHB
+3.3V_DE
+1.26V_TU
0 . 1 u F
16V
CHB
C2120
1K
OPT
R2113
+5V_TU
+1.8V_S_TU
1K
OPT
R2140
0 . 1 u F
16V
C2131
CHB
+3.3V_TU
100pF
50V
50V
C2112
100pF
50V
C2129
+3.3V_S_TU
+3.3V_Normal
18pF
50V
50V
OPT
C2102
0 . 1 u F
16V
CHB
C2121
2 . 2 u F
16V
C2178
FE_TS_DATA[0-7]
0 . 1 u F
C2165
CHB
BLM18PG121SN1D
L2115 CHB
22uF
16V
C2154
MMBT3906(NXP)
Q2105
E
B
C
RF_SWITCH_CTL_2
33 CHB
R2125
100uF
16V
16V
C2116
0 . 1 u F
16V
C2125
CHB
0 . 1 u F
16V
CHB
C2126
BLM18PG121SN1D
CHB
L2112
MLB-201209-0120P-N2
L2107
CHB
TU_TS_CLK
120-ohm
CHB
L2109
BLM18PG121SN1D
+5V_TU
22uF
16V
C2141
0 . 1 u F
16V
C2149
CHB_TS_VAL
120-ohm
CHB
L2108
BLM18PG121SN1D
MMBT3906(NXP)
Q2104
E
B
C
100pF
50V
50V
CHB
C2115
UFA55AL
NON_CHB_TUNER_V_S
TU2101
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
S I F
8
NC(IF_TP)
3
+B[+5V]
16
IF_AGC_CNTL
7
SDA
6
SCL
15
RESET
18
DIF_2
SHIELD
19
UDA55AL
TU2101-*1
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
S I F
8
NC(IF_TP)
3
+B[+5V]
16
IF_AGC_CNTL
7
SDA
6
SCL
15
RESET
18
DIF_2
SHIELD
19
220
R2135
4 . 7
R2167
AZ1117BH-1.8TRE1
IC2102
CHB
2
OUT
3
IN
1
ADJ/GND
AZ1117BH-ADJTRE1
IC2103
1
ADJ/GND
2
OUTPUT
3
INPUT
BLM18PG121SN1D
L2101
0 . 1 u F
16V
C2109
OPT
TDSB-H031F
TU2102
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
TDVJ-H131F
TU2101-*2
NON_CHB_TUNER_V_L
14
+ B 3 [ 3 . 3 V ]
13
+ B 2 [ 1 . 2 V ]
5
MOPLL_AS
12
GND
11
VIDEO
2
NC_2
10
NC
4
RF_AGC
1
NC_1
17
DIF_1[N]
9
S I F
8
NC_3
3
+B1[5V]
16
IF_AGC
7
SDA
6
SCL
15
RESET
18
D I F _ 2 [ P ]
SHIELD
19
TDVJ-H101F
TU2101-*3
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
S I F
8
NC(IF_TP)
3
+B
16
IF_AGC_CNTL
7
SDA
6
SCL
15
RESET
18
DIF_2
SHIELD
19
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]
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
C l o s e t o T u n e r
R1
R2
NON_CHB & CHB TUNER (KOR/USA)
CLOSE TO PIN 29
C l o s e t o T u n e r
ATSC_TUNER
VOUT = VREF *(1+R2/R1)
21
close to TUNER
close to TUNER
1ST : EAN61829801, 2ND : EAN544289201
C l o s e t o T u n e r
NON_CHB_LGIT_TUNER
NON_CHB_SANYO_TUNER
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