LG 42lk530 Service Manual page 28

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.
D1201,D1202
D1203,D1204
D1205,D1206
ONLY FOR LV7_ATSC
WIFI
R1205
1%
1M
WIFI
X1201
+3.3V_Normal +3.3V_USB
24MHz
L1203
BLM18PG121SN1D
WIFI
USBDM_DN[1]
1 27
USB_DM1
+3.3V_USB
THERMAL
USBDP_DN[1]
2 37 26
USB_DP1
USBDM_DN[2]
3 25
USB_DM2
USBDP_DN[2]
4 24
USB_DP2
IC1202
VDDA33_1
5 USB2512B-AEZG 23
C1204 NC_1 WIFI
6 22
C1205 C1206 C1207 C1208
1uF
0.1uF 0.1uF 0.1uF 0.1uF
10V NC_2
7 21
WIFI WIFI WIFI WIFI WIFI
NC_3
8 20
NC_4
9 19
DUAL COMPONENT
1ST : EAH42720601 2ND : EAH60994401
USB / DVR Ready
3AU04S-305-ZC-(LG)
JK1201
+3.3V_USB
C1215
R1212
0.1uF
VBUS_DET
100K
WIFI
OPT
RESET_N
/RST_HUB USB
C1218
HS_IND/CFG_SEL[1] R1213
100K 0.1uF
+3.3V_USB
OPT
OPT
SCL/SMBCLK/CFG_SEL[0]
R1215 100K OPT
VDD33_2
SDA/SMBDATA/NON_REM[1] R1214 100K OPT
NC_8
R1216 100K OPT
NC_7
NC_6
3AU04S-305-ZC-(LG)
JK1202
+3.3V_USB
WIFI
WIFI
C1217
C1216
4.7uF
0.1uF
+3.3V_Normal
IC1204
+5V_USB
AP2191DSG
R1221
L1205
NC 1 GND 4.7K
8
MLB-201209-0120P-N2
OPT
OUT_2 2 IN_1
7
120-ohm OUT_1 3 IN_2
6
C1220
C1224
FLG 4 EN
5
C1231 10uF R1223
0.1uF
100uF 2.7K
10V EAN61849601
USB_CTL1
16V
/USB_OCD1
NON_WIFI
R1230 0
SIDE_USB_CTL1
R1231 0
SIDE_USB_OCD1
NON_WIFI
USB_DM1
USB_DP1
NON_WIFI
R1224 0
D1203 D1205 SIDE_USB_DM
CDS3C05HDMI1 CDS3C05HDMI1 R1225 0
SIDE_USB_DP
5.6V
5.6V
NON_WIFI
+3.3V_Normal
IC1203
+5V_USB
AP2191DSG
R1220
L1204 NC 1 GND
8 4.7K
MLB-201209-0120P-N2
OPT
OUT_2 2 IN_1
7
120-ohm OUT_1 3 IN_2
6
C1230 C1223
C1219 FLG 4 EN
5
100uF
10uF R1222 0.1uF
16V USB_CTL2
EAN61849601 2.7K
10V
/USB_OCD2
NON_WIFI
R1228 0
SIDE_USB_CTL2
R1229 0
SIDE_USB_OCD2
NON_WIFI
USB_DM2
USB_DP2
NON_WIFI
R1226 0
D1204
D1206 WIFI_DM
CDS3C05HDMI1 CDS3C05HDMI1
R1227 0
5.6V
5.6V WIFI_DP
NON_WIFI
BCM35230
USB + WIFI
72 50