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EAX66783401
LB56H/LT56H
L705
CIS21J121
OPT
JK701
KJA-DC-1-0032
4
4
Surge protection
D701
R739
2
C741
2
20V
33K
10uF
25V
1
1
R740
120K
+19V
19V TO PANEL VCC(12V) DCDC CONVERTER
MP2315GJ
R701
100K
AAM
1
IN
2
C702
C704
SW
3
10uF
0.1uF
25V
25V
GND
4
** 19V -> 5V_USB
+19V
R702
AAM
47K
IN
SW
C701
C703
2.2uF
0.1uF
25V
50V
GND
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.
POWER
Copyright © 2015 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
+19V to +3.3V_STANDBY
+19V
IC704
R713
MP2315GJ
100K
R703
AAM
FB
47K
1
8
Q701
SSM3J332R
IN
VCC
NEW
2
7
3A
C740
C705
C707
SW
EN/SYNC
C706
3
6
68uF
68uF
10uF
0.1uF
25V
35V
35V
25V
OPT
GND
BST
20130528 cJ.LIM
4
5
R710
R712
68
20K
C712
0.1uF
50V
+12V
R711
10K
POWER_SW
IC701
OPT
C711
0.47uF
16V
R715
FB
56K
8
L701
VCC
10uH
NEW
7
3A
C722
EN/SYNC
C715
C716
C719
R718
6
0.1uF
10uF
10uF
10uF
11K
25V
1%
16V
16V
16V
BST
20130528 cJ.LIM
5
OPT
C710
R717
3.3K
R707
0.1uF
R704
1%
47K
25V
68
C708
R716
0.1uF
1K
50V
1%
+3.3V_M
IC702
MP2315GJ
R709
10K
R714
FB
56K
1
8
L702
VCC
4.7uH
2
7
MPS
EN/SYNC
3
6
C724
C718
C723
3A
10uF
10uF
0.1uF
10V
10V
BST
16V
C713
C714
4
5
R708
0.1uF
0.1uF
10K
16V
16V
R705
68
C709
0.1uF
50V
Vout=0.765*(1+R1/R2)
** 3.3V_ST -> 1.26V VDDC
+3.3V_ST
R730
56K
C739
0.1uF
+3.3V_ST
16V
OPT
L703
10uH
C725
C728
C729
C730
R733
2013.08.07
ZD704
10uF
10uF
22uF
0.1uF
2K
5.6B->5V
25V
1%
5V
10V
10V
10V
OPT->APPLY
C717
0.1uF
R732
25V
1.2K
X5R => X7R
1%
To improve CST Issue
2013.12.21 by GH.Song
R731
1K
1%
** 3.3V_M -> 1.8V_M
+12V
** +3.3V_ST -> 3.3V_M
OPT
ZD701
15V
POWER_SW
+5V_USB
R729
820
1%
R726
4.7K
1%
R725
1K
1%
V0 = 0.8*(1+(R2/R1))
R736
IC705
1
+1.2V_VDDC
AP7173-SPG-13 HF(DIODES)
1/4W
[EP]
R735
1
1/4W
IN
OUT
1
8
R738
C734
2.7K
R2
C738
OPT
10uF
PG
FB
1%
2
7
10uF
10V
ZD706
C736
10V
2.5V
560pF
VCC
SS
50V
R737
3
6
4.7K
R1
1%
R734
EN
GND
10K
4
5
+3.3V_M
IC703
AP1117E18G-13
IN
ADJ/GND
3
1
+1.8V_M
C726
C727
10uF
0.1uF
6.3V
16V
2
OUT
C733
OPT
10uF
ZD702
6.3V
2.5V
+3.3V_ST
FET_3.3V_TOSHIBA
Q705
SSM3J332R
PZ1608U121-2R0TF
C735
C732
0.1uF
R724
4.7uF
16V
33K
10V
OPT
R720
10K
R723
2.2K
BOOST_EN
C
R719
10K
B
Q703
MMBT3904(NXP)
OPT
R706
E
10K
** Switch Panel-Vcc
+12V
PANEL_VCC
FET_12V_TOSHIBA
L706
Q704
UBW2012-121F
SSM3J332R
OPT
C731
R722
0.22uF
C720
33K
25V
R727
0.1uF
5.6K
25V
R721
120K
C
B
Q702
PANEL_ON
MMBT3904(NXP)
E
GND
** Jig Point_GND
Add for improving main IC burnt issue
OPT
ZD705
5.1v
+3.3V_M
L709
OPT
C737
ZD703
10uF
5V
6.3V
OPT
OPT
R728
C721
5.6K
10uF
25V
2015/03/03
155_ECI_M8RR
POWER
7
8
LGE Internal Use Only
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