LG 65UH8500 Service Manual page 46

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.
Copyright 2015 LG Electronics Inc. All rights reserved.
Only for training and service purposes
+3.3V_NORMAL
+13V
L1400
IC1400
BLM18PG121SN1D
BD86106EFJ
PGND
1 8
VIN
C1400
C1401 2 7
10uF
0.1uF
25V
50V
AGND
3 6
6A
FB
4 5
C1402
R1401
10K
1500pF
50V
POWER_ON/OFF1
+3.3V_NORMAL
[EP]
L1401
2.2uH
SW_2
PS064T-2R2MS
SW_1
C1406
C1404 C1405 C1407 ZD1400
10uF 10uF 10uF 5V
10uF
10V 10V
10V
EN 10V
R1402
10K
C1403
COMP 0.1uF
16V
OPT
Vout=0.8*(1+R1/R2)
R1403
1.2K
1%
R1
R1404
7.5K
1%
R1405
R2
2.7K
1%
2015.06.02
LGE Internal Use Only