Read LG 42LV5400 (CHASSIS:LA12E) Service Manual online
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THERMAL
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_USB
R1209
100K
WIFI
R1208
100K
WIFI
R1207
100K
WIFI
C1217
4.7uF
4.7uF
WIFI
/USB_OCD1
+3.3V_Normal
R1230
0
NON_WIFI
C1215
0.1uF
WIFI
R1225
0
NON_WIFI
C1231
100uF
16V
16V
D1203
5.6V
CDS3C05HDMI1
SIDE_USB_CTL1
USB_DM1
+3.3V_USB
USB_DM2
/RST_HUB
USB_CTL1
D1206
5.6V
CDS3C05HDMI1
C1216
0.1uF
WIFI
WIFI_DP
R1224
0
NON_WIFI
+5V_USB
JK1201
3AU04S-305-ZC-(LG)
1
2
3
4
5
R1215
100K OPT
D1202
5.6V
CDS3C05HDMI1
WIFI_ESD
+5V_USB
+3.3V_USB
R1216
100K OPT
R1213
100K
OPT
OPT
R1220
4.7K
OPT
4.7K
OPT
C1206
0.1uF
WIFI
C1211 15pF
WIFI
L1202
WIFI
WIFI
120-ohm
R1205
1M
1M
1%
WIFI
SIDE_USB_OCD2
+3.3V_Normal
USB_DP2
X1201
24MHz
24MHz
WIFI
C1213 15pF
WIFI
C1220
10uF
10V
/USB_OCD2
C1223
0.1uF
C1230
100uF
16V
16V
C1207
0.1uF
WIFI
C1209
1uF
10V
WIFI
SIDE_USB_DP
+3.3V_USB
USB_DP2
C1219
10uF
10V
C1218
0.1uF
OPT
L1205
MLB-201209-0120P-N2
120-ohm
D1201
5.6V
CDS3C05HDMI1
WIFI_ESD
R1229
0
NON_WIFI
C1205
0.1uF
WIFI
R1228
0
NON_WIFI
+3.3V_Normal
SIDE_USB_CTL2
SIDE_USB_DP
JK1202
3AU04S-305-ZC-(LG)
1
2
3
4
5
R1222
2.7K
2.7K
SIDE_USB_DM
USB_DM1
C1212
1uF
10V
WIFI
R1223
2.7K
2.7K
/USB_OCD1
C1208
0.1uF
WIFI
USB_CTL2
D1205
5.6V
CDS3C05HDMI1
/USB_OCD2
C1214
0.1uF
WIFI
R1214
100K OPT
USB_CTL2
R1227
0
NON_WIFI
C1224
0.1uF
SIDE_USB_OCD1
USB_CTL1
R1206
100K
WIFI
USB_DP1
C1204
1uF
10V
1uF
10V
WIFI
WIFI_DM
R1226
0
NON_WIFI
+5V_USB
WIFI_DP
SIDE_USB_DM
USB_DP1
P1201
12507WR-04L
WIFI
1
VDD
2
DM
3
DP
4
GND
5
.
L1203
BLM18PG121SN1D
WIFI
WIFI_DM
R1221
4.7K
OPT
4.7K
OPT
+3.3V_USB
R1212
100K
100K
OPT
C1210
0.1uF
WIFI
USB_DM2
R1204
12K
1/16W
1%
WIFI
L1204
MLB-201209-0120P-N2
120-ohm
D1204
5.6V
CDS3C05HDMI1
IC1204
AP2191DSG
EAN61849601
3
IN_2
2
IN_1
4
EN
1
GND
5
FLG
6
OUT_1
7
OUT_2
8
NC
IC1203
AP2191DSG
EAN61849601
3
IN_2
2
IN_1
4
EN
1
GND
5
FLG
6
OUT_1
7
OUT_2
8
NC
R1233
0
WIFI
R1232
0
WIFI
IC1202
USB2512B-AEZG
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
R1231
0
NON_WIFI
C1232
100uF
16V
16V
WIFI
C1233
0.1uF
OPT
C1234
0.1uF
OPT
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
50
Close to BCM IC
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