LG 55LA7400 Service Manual page 35

R4500
10K
OPT
/USB_OCD1
USB_CTL1
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 ⓒ 2013 LG Electronics. Inc. All right reserved.
Only for training and service purposes
+3.3V_NORMAL
OCP USB1
R4501
10K
IC4500
BD82020FVJ
+5V_NORMAL
GND OUT_3
1 8
IN_1 OUT_2
2 7
C4500
IN_2 OUT_1
0.1uF
3 6
16V
EN OC
4 5
+5V_USB_1
USB_DM1
C4501
USB_DP1
10uF
10V
USB1
DVR Ready
+5V_USB_1
MAX 1.5A
3AU04S-305-ZC-(LG)
JK4500
C4502
10uF
10V
LGE Internal Use Only