LG 86UH9500 Service Manual page 54

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 2016 LG Electronics Inc. All rights reserved.
Only for training and service purposes
+0.9V_CPU
+13V
L2100
BLM18PG121SN1D
Placed on SMD-TOP
IC2100
RT7295CG6F
C2100 C2101 C2102
VLS5045EXT-2R2N
10uF 0.1uF
0.47uF L2101
25V 25V
50V 2.2uH
BOOT SW
1 6
GND VIN
2 5 C2104
10uF
10K
10V 10V
FB EN R2104
3 4
C2103
0.1uF
16V
3.5A
R2-2
R2102
0
5%
+3.3V_NORMAL +3.3V_NORMAL
R2103
120K
1%
R2100 R2105
10K
D
R2101
CPU_VID[0] G CPU_VID[1]
0
S
Vout=0.6*(1+R1/R2)
R1:9.1K/R2:18K, V=0.9033V(CPU_VID0=L,CPU_VID1=L)
R1:9.1K/R2:18K//210K, V=0.9293V(CPU_VID0=L,CPU_VID1=H)
R1:9.1K/R2:18K//120K, V=0.9488V(CPU_VID0=H,CPU_VID1=L)
R1:9.1K/R2:18K//210K//120K, V=0.9748V(CPU_VID0=H,CPU_VID1=H)
MAX 2.7A
+0.9V_CPU
C2106 C2107
C2105 OPT
10uF
10uF 10uF C2108
10V 10V
33pF
50V
POWER_ON/OFF2_3 R2109
9.1K
1%
R1
R2-3
R2-1
R2107
30K
1%
R2108
180K
1%
10K
D
R2106
G
0
S
LV_CPU
MV_CPU
LV_CPU
VHV_CPU
CPU_VID TABLE
CPU_VID0 CPU_VID1 VOUT
L L 0.9033V 18 kohm
L H 0.9293V 16.57 kohm
0.9488V 15.65 kohm
H L
0.9743V 14.56 kohm
H H
M16_0.9V CPU
R2
021.sht
15/06/13
20 73
LGE Internal Use Only