LG 55X6500-TD Service Manual page 28

USB2 OPTION
+3.3V_NORMAL +3.3V_USB
L2201
BLM18PG121SN1D
USB_DM1
+3.3V_USB
USB_DP1
USB_DM2
USB_DP2
C2201
C2202 C2203 C2204 C2205
1uF
0.1uF 0.1uF 0.1uF 0.1uF
10V
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.
USB
Copyright © 2010 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
R2202
1%
1M
X2201
24MHz
USBDN1_DM VBUS_DET
1 27
THERMAL
USBDN1_DP RESET_N
2 26
37
USBDN2_DM HS_IND/CFG_SEL1
3 25
USBDN2_DP SCL/SMBCLK/CFG_SEL0
4 24
IC2201
VDDA33_1 VDD33
5 USB2512A_AEZG 23
NC_1 SDA/SMBDATA/NON_REM1
6 22
NC_2 NC_8
7 21
NC_3 NC_7
8 20
NC_4 NC_6
9 19
USB / DVR Ready
+3.3V_USB
C2212
R2209
0.1uF
100K
R2214
OPT
0
/RST_HUB
C2215
R2210
100K 0.1uF
+3.3V_USB
OPT
R2212 100K OPT
R2211 100K OPT
R2213 100K OPT
R2207
0
OPT
SCL2_3.3V
R2208
0
OPT
SDA2_3.3V
+3.3V_USB
C2214
C2213
4.7uF
0.1uF
+3.3V_NORMAL
IC2202
AP2191SG-13
L2202
NC 1 GND
8
MLB-201209-0120P-N2
OUT_2 2 IN_1
7
120-ohm OUT_1 3 IN_2
6
C2218
FLG 4 EN
5
100uF
EAN60921001
16V
KJA-UB-4-0004
JK2201
R2225 0
D2201
D2203
CDS3C05HDMI1
CDS3C05HDMI1
5.6V
5.6V
USB
+3.3V_NORMAL
IC2203
AP2191SG-13
R2221
L2203
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
C2219
FLG 4 EN
5
100uF
EAN60921001
16V
KJA-UB-4-0004
JK2202
R2227 0
USB_DM2
USB_DP2
D2202
D2204
CDS3C05HDMI1 CDS3C05HDMI1
5.6V
5.6V
+5V_USB
R2220
4.7K
OPT
C2220
C2222
10uF
R2226
0.1uF
10V
2.7K
USB_CTL1
/USB_OCD1
USB_DM1
USB_DP1
+5V_USB
C2221
C2223
10uF
R2223
0.1uF
10V
2.7K
USB_CTL2
/USB_OCD2
040:J6
40
LGE Internal Use Only