LG 42LW5700-UE (CHASSIS:LA12C) 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.
+3.3V_Normal
2.7K
R1128
AV2
5.1V
ZD1117
5.6V
D1114
COMP2
5.1V
COMP2
ZD1108
AV1_L_IN
470K
R1116
AV2
5.1V
ZD1101
AV2
75
1%
R1107
KJA-PH-1-0177
JK1102
3
M3_DETECT
4
M4
5
M5_GND
1
M1
6
M6
AV2_CVBS_IN
5.1V
COMP2
ZD1103
75
1%
R1106
COMP1_Pb
0
COMP2
R1119
P P J 2 3 3 - 0 1
JK1104
AV2_JACK
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
560pF
50V
50V
C1124
AV2
SC_B/COMP2_Pb
BLM18PG121SN1D
COMP2
L1103
COMP1_Y
5.1V
ZD1102
AV2
5.6V
D1111
AV2
75
1%
R1108
BLM18PG121SN1D
COMP2
L1104
5.6V
D1107
5.1V
ZD1113
1K
R1114
1K
R1130
COMP2
+3.3V_Normal
560pF
50V
50V
C1122
COMP2
5.1V
COMP2
ZD1105
2.7K
R1112
COMP1_Pr
2.7K
R1105
SC/COMP2_R_IN
5.6V
COMP2
D1113
560pF
50V
50V
C1113
COMP2
AV2_R_IN
P P J 2 3 8 - 0 1
JK1105
JACK_PACK
5D
[GN2]O-SPRING
6D
[GN2]E-LUG
4D
[GN2]CONTACT
7E
[BL2]E-LUG-S
5E
[BL2]O-SPRING
7F
[RD2]E-LUG-S
5F
[RD2]O-SPRING_1
5G
[WH2]O-SPRING
4H
[RD2]CONTACT
5H
[RD2]O-SPRING_2
6H
[RD2]E-LUG
6A
[YL1]E-LUG
5A
[YL1]O-SPRING
4A
[YL1]CONTACT
5B
[WH1]O-SPRING
4C
[RD1]CONTACT
5C
[RD1]O-SPRING
6C
[RD1]E-LUG
0
COMP2
R1120
5.1V
COMP2
ZD1107
75
R1118
AV2
5.6V
D1108
5.1V
ZD1110
+3.3V_Normal
10
R1136
5.1V
ZD1114
5.6V
D1101
560pF
50V
50V
C1108
560pF
50V
50V
C1114
COMP2
560pF
50V
50V
C1109
AV1_CVBS_IN
SC_G/COMP2_Y
1K
R1129
AV2
75
R1126
COMP2
AV1_R_IN
5.6V
COMP2
D1112
AV2_L_IN
470K
R1111
5.1V
ZD1112
470K
R1110
5.6V
D1105
470K
R1123
COMP2
2.7K
R1127
COMP2
75
R1125
COMP2
COMP1_DET
SC/COMP2_L_IN
470K
R1122
COMP2
5.1V
COMP2
ZD1106
0
COMP2
R1121
SC_R/COMP2_Pr
560pF
50V
50V
C1110
AV2_CVBS_DET
10
R1140
AV2
560pF
50V
50V
C1107
SC_DET/COMP2_DET
5.1V
COMP2
ZD1104
AMOTECH
5.6V
D1110
AV2
470K
R1117
AV2
75
1%
R1109
5.1V
ZD1111
75
R1124
COMP2
560pF
50V
50V
C1123
AV2
AMOTECH
5.6V
D1109
AV2
KJA-PH-1-0177
JK1101
3
M3_DETECT
4
M4
5
M5_GND
1
M1
6
M6
560pF
50V
50V
C1119
AV2
5.1V
ZD1115
560pF
50V
50V
C1121
COMP2
560pF
50V
50V
C1118
AV2
1K
R1113
+3.3V_Normal
5.1V
ZD1116
AV1_CVBS_DET
22
R1143
22
R1144
22
R1141
AV2
22
R1142
AV2
22
R1131
COMP2
22
R1132
COMP2
CM2012FR27KT
L1107
COMP_PI_OLD
CM2012FR27KT
L1108
CM2012FR27KT
L1109
CM2012FR27KT
L1110
COMP_PI_OLD
CM2012FR27KT
L1111
CM2012FR27KT
L1112
COMP2_Y
COMP2_Pr
COMP2_Pb
COMP2_Pb
COMP2_Pr
COMP2_Y
27pF
50V
50V
C1102
COMP_PI_OLD
27pF
50V
C1128
27pF
50V
C1116
27pF
50V
50V
C1125
COMP_PI_OLD
27pF
50V
C1117
COMP_PI_OLD
27pF
50V
50V
C1126
27pF
50V
C1115
27pF
50V
50V
C1127
27pF
50V
50V
C1104
27pF
50V
C1129
27pF
50V
50V
C1103
27pF
50V
50V
C1130
COMP_PI_OLD
47pF
50V
50V
C1106
47pF
50V
50V
C1120
AV2
10
R1137
10
R1138
10
R1139
10
COMP2
R1133
10
COMP2
R1134
10
COMP2
R1135
CM2012FR10KT
L1107-*1
CM2012FR10KT
L1110-*1
47pF
50V
50V
C1102-*1
47pF
50V
50V
C1125-*1
47pF
50V
50V
C1130-*1
47pF
50V
50V
C1117-*1
COMPONENT 1 PHONE JACK
COMP/AV
11
BCM35230
CVBS 1 PHONE JACK
50
COMP2 REAR JACK
CVBS2 REAR JACK
FOR EMI
FOR EMI
COMPONENT PI Filter
+3.3V_USB
100K
R1209
WIFI
100K
R1208
WIFI
100K
R1207
WIFI
4 . 7 u F
C1217
WIFI
/USB_OCD1
+3.3V_Normal
0
NON_WIFI
R1230
0 . 1 u F
C1215
WIFI
0
R1225
NON_WIFI
100uF
16V
16V
C1231
CDS3C05HDMI1
5.6V
5.6V
D1203
SIDE_USB_CTL1
USB_DM1
+3.3V_USB
USB_DM2
/RST_HUB
USB_CTL1
CDS3C05HDMI1
5.6V
5.6V
D1206
0 . 1 u F
C1216
WIFI
WIFI_DP
0
R1224
NON_WIFI
+5V_USB
USB DOWN STREAM
3AU04S-305-ZC-(LG)
JK1201
1
2
3
4
5
100K OPT
R1215
CDS3C05HDMI1
5.6V
WIFI_ESD
D1202
+5V_USB
+3.3V_USB
100K OPT
R1216
100K
OPT
R1213
4.7K
OPT
R1220
0 . 1 u F
C1206
WIFI
15pF
C1211
WIFI
MLB-201209-0120P-N2
120-ohm
L1202 WIFI
1M
1%
R1205
WIFI
SIDE_USB_OCD2
+3.3V_Normal
USB_DP2
24MHz
X1201
WIFI
15pF
C1213
WIFI
10uF
10V
10V
C1220
/USB_OCD2
0 . 1 u F
C1223
100uF
16V
16V
C1230
0 . 1 u F
C1207
WIFI
1uF
10V
C1209
WIFI
SIDE_USB_DP
+3.3V_USB
USB_DP2
10uF
10V
10V
C1219
0 . 1 u F
OPT
C1218
MLB-201209-0120P-N2
120-ohm
L1205
CDS3C05HDMI1
5.6V
WIFI_ESD
D1201
0
R1229
NON_WIFI
0 . 1 u F
C1205
WIFI
0
NON_WIFI
R1228
+3.3V_Normal
SIDE_USB_CTL2
SIDE_USB_DP
USB DOWN STREAM
3AU04S-305-ZC-(LG)
JK1202
1
2
3
4
5
2.7K
R1222
SIDE_USB_DM
USB_DM1
1uF
10V
C1212
WIFI
2.7K
R1223
/USB_OCD1
0 . 1 u F
C1208
WIFI
USB_CTL2
CDS3C05HDMI1
5.6V
5.6V
D1205
/USB_OCD2
0.1uF
C1214
WIFI
100K OPT
R1214
USB_CTL2
0
R1227
NON_WIFI
0 . 1 u F
C1224
SIDE_USB_OCD1
USB_CTL1
100K
R1206
WIFI
USB_DP1
1uF
10V
10V
C1204
WIFI
WIFI_DM
0
R1226
NON_WIFI
+5V_USB
WIFI_DP
SIDE_USB_DM
USB_DP1
12507WR-04L
P1201
WIFI
1
VDD
2
DM
3
DP
4
GND
5
.
BLM18PG121SN1D
L1203
WIFI
WIFI_DM
4.7K
OPT
R1221
+3.3V_USB
100K
OPT
R1212
0.1uF
C1210
WIFI
USB_DM2
1/16W
12K
1%
R1204
WIFI
MLB-201209-0120P-N2
120-ohm
L1204
CDS3C05HDMI1
5.6V
5.6V
D1204
AP2191DSG
EAN61849601
IC1204
3 IN_2
2 IN_1
4 EN
1 GND
5
FLG
6
OUT_1
7
OUT_2
8
NC
AP2191DSG
EAN61849601
IC1203
3 IN_2
2 IN_1
4 EN
1 GND
5
FLG
6
OUT_1
7
OUT_2
8
NC
0
WIFI
R1233
0
WIFI
R1232
THERMAL
USB2512B-AEZG
IC1202
WIFI
1
USBDM_DN[1]
3
USBDM_DN[2]
7
NC_2
9
NC_4
10
VDDA33_2
11
TEST
12
PRTPWR[1]/BC_EN[1]
13
OCS_N[1]
14
CRFILT
15
VDD33_1
16
PRTPWR[2]/BC_EN[2]
17
OCS_N[2]
18
NC_5
19
NC_6
20
NC_7
21
NC_8
22
SDA/SMBDATA/NON_REM[1]
23
VDD33_2
24
SCL/SMBCLK/CFG_SEL[0]
25
HS_IND/CFG_SEL[1]
26
RESET_N
27
VBUS_DET
28
SUSP_IND/LOCAL_PWR/NON_REM[0]
29
VDDA33_3
30
USBDM_UP
31
USBDP_UP
32
XTALOUT
5
VDDA33_1
8
NC_3
6
NC_1
4
USBDP_DN[2]
2
USBDP_DN[1]
33
XTALIN/CLKIN
34
PLLFILT
35
RBIAS
36
VDD33_3
37
[EP]VSS
0
R1231
NON_WIFI
100uF
16V
16V
C1232
WIFI
0 . 1 u F
16V
16V
C1233
WIFI
0 . 1 u F
16V
16V
C1234
WIFI
RCLAMP0502BATCT
D1207
DEV
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.
RCLAMP0502BATCT
D1208
DEV
D1201,D1202
D1203,D1204
D1205,D1206
D1203,D1204
D1205,D1206
BCM35230
USB
12
1ST : EAH42720601 2ND : EAH60994401
USB + WIFI
USB / DVR Ready
USB_WIFI
DUAL COMPONENT
C l o s e t o B C M I C
For EMI
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.
100
R1319
M_REMOTE
100
R1315
M_REMOTE
3D_SYNC_RF
22
R1320
M_REMOTE
22
R1326
M_REMOTE
DD_MREMOTE
2.7K
R1322
M_REMOTE
3D_GPIO_1
3D_GPIO_0
M_REMOTE_RX
22
R1325
M_REMOTE
M_RFModule_RESET
3D_GPIO_2
2.7K
R1321
M_REMOTE
+3.3V_Normal
12507WR-12L
P1302
M_REMOTE
1
3.3V
2
GND
3
RX
4
TX
5
RESET
6
DC
7
DD
8
GND
9
GPIO_0
10
GPIO_1
11
GPIO_2
12
3D_SYNC
13
.
+3.3V_Normal
100
R1317
M_REMOTE
2.7K
R1323
M_REMOTE
120-ohm
L1303
M_REMOTE
100
R1318
M_REMOTE
100
R1316
M_REMOTE
22
R1324
M_REMOTE
DC_MREMOTE
M_REMOTE_TX
50
M_REMOCON
ALL M_REMOTE OPTION
TI solution M_REMOTE OPTION
13
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.
EPHY_TDP
MLB-201209-0120P-N2
L1401
EPHY_RDP
+3.3V_Normal
EPHY_RDN
0 . 1 u F
16V
C1401
+2.5V_BCM35230
EPHY_TDN
EPHY_ACTIVITY
EPHY_LINK
XRJH-01A-4-DA7-180-LG(B)
JK1401
1
R1
2
R2
3
R3
4
R4
5
R5
6
R6
7
R7
8
R8
12
SHIELD
9
R9
11
R11
10
R10[GND]
D1
YL_C
D2
YL_A
D3
GN_C
D4
GN_A
5V
D1403
LAN_ESD
5V
D1405
LAN_ESD
5.5V
D1401
LAN_ESD
5.5V
D1404
LAN_ESD
5.5V
D1402
LAN_ESD
5.5V
D1406
LAN_ESD
240
R1401
240
R1402
DUAL COMPONENT
D1401,D1402
D1403,D1404
D1405,D1406
D1403,D1404
D1405,D1406
14
ETHERNET
E t h e r n e t B l o c k
1ST : EAH42720601 2ND : EAH60994401
50
BCM35230
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