LG 32LV570G Service Manual page 31

USB_WIFI
+5V_USB
WIFI
For EMI
Close to BCM IC
WIFI_DM
WIFI_DP
+3.3V_Normal +3.3V_USB
L1203
BLM18PG121SN1D
WIFI
USBDM_DN[1]
USB_DM1
+3.3V_USB
USBDP_DN[1]
USB_DP1
USBDM_DN[2]
USB_DM2
USBDP_DN[2]
USB_DP2
VDDA33_1
C1204 NC_1
C1205 C1206 C1207 C1208
1uF
0.1uF 0.1uF 0.1uF 0.1uF
10V NC_2
WIFI WIFI WIFI WIFI
WIFI
NC_3
NC_4
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.
Copyright © 2011 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
L1202 WIFI 120-ohm
MLB-201209-0120P-N2
C1233
C1234
WIFI
0.1uF
0.1uF
16V
16V
P1201
12507WR-04L
WIFI
C1232
100uF WIFI
16V
VDD
1
DM
R1232 0
2
WIFI
DP
R1233 0
3
WIFI
GND
4
D1202
D1201
CDS3C05HDMI1
CDS3C05HDMI1
5.6V
5.6V
5
WIFI_ESD
WIFI_ESD
.
WIFI
R1205
1%
1M
WIFI
X1201
24MHz
C1215
0.1uF
VBUS_DET
1 27
WIFI
THERMAL
RESET_N
2 37 26
HS_IND/CFG_SEL[1] R1213
3 25
SCL/SMBCLK/CFG_SEL[0]
4 24
IC1202
VDD33_2
5 USB2512B-AEZG 23
WIFI
SDA/SMBDATA/NON_REM[1]
6 22
NC_8
7 21
NC_7
8 20
NC_6
9 19
WIFI
C1216
0.1uF
+3.3V_USB
R1212
100K
OPT
/RST_HUB
C1218
100K 0.1uF
+3.3V_USB
OPT
OPT
R1215 100K OPT
R1214 100K OPT
R1216 100K OPT
+3.3V_USB
WIFI
C1217
4.7uF
DUAL COMPONENT
D1201,D1202
D1203,D1204
1ST : EAH42720601 2ND : EAH60994401
D1205,D1206
USB / DVR Ready
IC1204
AP2191DSG
L1205
NC 1 GND
8
MLB-201209-0120P-N2
OUT_2 2 IN_1
7
120-ohm OUT_1 3 IN_2
6
C1220
FLG 4 EN
C1231 5
10uF
100uF
EAN61849601
10V
16V
3AU04S-305-ZC-(LG)
JK1201
D1203 D1205
CDS3C05HDMI1 CDS3C05HDMI1
5.6V 5.6V
USB
+3.3V_Normal
IC1203
AP2191DSG
L1204
NC 1 GND
8
MLB-201209-0120P-N2
OUT_2 2 IN_1
7
120-ohm OUT_1 3 IN_2
6
C1230
C1219
FLG 4 EN
5
100uF
10uF
16V
EAN61849601
3AU04S-305-ZC-(LG) 10V
JK1202
D1206
D1204
CDS3C05HDMI1 CDS3C05HDMI1
5.6V
5.6V
BCM35230
USB + WIFI
+3.3V_Normal
+5V_USB
R1221
4.7K
OPT
C1224
R1223
0.1uF
2.7K
USB_CTL1
/USB_OCD1
NON_WIFI
R1230 0
SIDE_USB_CTL1
R1231 0
SIDE_USB_OCD1
NON_WIFI
USB_DM1
USB_DP1
NON_WIFI
R1224 0
SIDE_USB_DM
R1225 0
SIDE_USB_DP
NON_WIFI
+5V_USB
R1220
4.7K
OPT
C1223
R1222
0.1uF
USB_CTL2
2.7K
/USB_OCD2
NON_WIFI
R1228 0
SIDE_USB_CTL2
R1229 0
SIDE_USB_OCD2
NON_WIFI
USB_DM2
USB_DP2
NON_WIFI
R1226 0
WIFI_DM
R1227 0
WIFI_DP
NON_WIFI
12
LGE Internal Use Only