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LG 32LE7500-SA Service Manual page 29

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USB2 OPTION
+3. 3V_NOR MAL
+3. 3V_USB
L220 1
BLM 18PG1 21S N1D
USB _ DM1
+3 .3V_US B
USB _ DP1
USB _ DM2
USB _ DP2
C2201
C 2202
C22 03
C2204
C2 205
1uF
0. 1uF
0.1u F
0.1uF
0. 1uF
10V
THE
SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORP ORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RA DIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE U SED FOR
THE CRITICAL COMPONENTS IN THE
SYMBOL MARK OF TH E SCHEMETIC.
USB
R2202
1 %
1M
X2201
24MHz
U SBDN1_ DM
VBUS _DET
1
27
THE RMAL
U SBDN1_ DP
RESE T_N
2
3 7
26
U SBDN2_ DM
HS_I ND/CFG _S EL1
3
25
U SBDN2_ DP
SCL/ SMBCLK /C FG_ SEL0
4
24
IC2 2 01
VDDA33 _1
VDD3 3
5
US B2512 A_AEZG
23
NC _1
SDA/ SMBDAT A/ 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_U SB
C2212
R2209
0.1uF
100K
R 2214
OPT
0
/RST _HUB
C22 1 5
R2210
100K
0.1 u F
+3 .3V_ USB
OPT
R 2212
100K OPT
R2211
100K OPT
R 2213
100K OPT
R22 0 7
0
OPT
S CL2_3 .3V
R 2208
0
OPT
S DA2_3 .3V
+3. 3V_US B
C 2214
C22 13
4 .7uF
0.1 uF
+3. 3V_NOR MAL
IC2202
AP 21 91 SG -1 3
L220 2
N C
1 GND
8
MLB-2 0 1209 -0120P -N2
O UT_ 2
2 IN_ 1
7
1 20- ohm
O UT_ 1
IN_ 2
6
3
C22 18
FL G
4 EN
5
100 uF
E AN6 09 210 0 1
16V
KJA -UB-4- 00 04
JK 2201
R2 225
0
D2 201
D2 203
CD S3C05H DMI 1
CD S3C05H DMI1
5. 6V
5. 6V
USB
+ 3. 3V_ NORMAL
IC2 203
AP 21 91 SG -1 3
R22 21
L 2203
N C
1 GND
4.7 K
8
MLB -2012 09-012 0P-N2
O PT
O UT_ 2
2 IN_1
7
12 0-ohm
O UT_ 1
3 IN_2
6
C 22 19
FL G
4 EN
5
1 00 uF
E AN6 09 210 01
1 6V
KJA- UB-4- 0 004
JK 2202
R2227
0
USB_ DM2
USB_ DP2
D2 202
D2 204
CD S3C05H DMI 1
CD S3C05H DMI1
5. 6V
5. 6V
+5V_ U SB
R 2220
4 .7K
OPT
C 2220
C 2 222
1 0uF
R22 26
0. 1uF
1 0V
2.7 K
US B_C TL1
/U SB_OCD 1
USB_D M1
USB_D P1
+5 V_USB
C222 1
C2223
10uF
R 222 3
0.1uF
10V
2 .7K
U SB_CTL 2
/ USB_OC D2
040:J 6
40

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