LG 42LB65 Series - Page 36

USB DOWN S TREA M
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
+5V_USB_1
+3.3V_NORMAL
R4500
10K
+5V_USB_1
USB_DM1
USB_DP1
C4501
10uF
10V
D4500
RCLAMP0502BA
USB_ESD_0502BA
C4500
0.1uF
16V
+5V_NORMAL
USB_CTL1
/USB_OCD1
JK4500
3AU04S-305 -ZC- (LG)
1234
5
D4501
5V
ESD_USB12
C4502
22uF
10V
OCP_DIODES
IC4500-*1
AP2553W6-7
DEV_AP2553W6_DIODES
3
EN
2
GND
4
FAULT
1
IN
6
OUT
5
ILIM
R4502
14K
1%
OCP_ROHM
R4502-*1
16K
1%
OCP_DIODES
IC4500
BD2242G
OCP_ROHM
3
EN
2
GND
4
OC
1
VIN
6
VOUT
5
ILIM
R4501
4.7K
D4500-*1
RCLAMP0582B
DEV_RCLAMP0582B
1
MID_LG1311
USB 1(DVR)
2013.04.03
PAGE 14
USB1 (2.0)
MAX 1.5A
OCP USB1
value change
10K(2.63V) --> 4.7K(2.97V)
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Only for training and service purposes
LGE Internal Use Only