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TBD
44A/45A/450A
+19V
JK700
JP701
KJA-DC-1-0032
4
4
2
2
1
1
JP702
19V TO PANEL VCC(12V/5V) DCDC CONVERTER
R720
47K
AAM
IN
+19V
C721
SW
C720
10uF
0.1uF
25V
25V
GND
19V TO USB 5V DCDC CONVERTER
2013.08.09
READY
APPLY -> READY
R770
DCM -> CCM
47K
AAM
L710
+19V
UBW2012-121F
IN
C771
SW
C770
10uF
0.1uF
25V
25V
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 right reserved.
Only for training and service purposes
19V TO ST3.3V DCDC CONVERTER
IC701
R702
MP2315GJ
100K
R701
47K
AAM
FB
1
8
IN
VCC
NEW
2
7
3A
C704
SW
EN/SYNC
C701
C703
3
6
68uF
10uF
0.1uF
25V
35V
25V
GND
BST
20150401 BW.KIM
4
5
R704
R703
20K
100
C705
0.1uF
50V
R723
4.7K
POWER_SW
IC702
READY
C724
MP2315GJ
0.47uF
16V
R724
FB
33K
1
8
L720
10uH
VCC
NEW
2
7
PANEL_12V
3A
EN/SYNC
C725
C726
C727
R725
3
6
0.1uF
10uF
10uF
43K
25V
1%
16V
16V
C723
BST
0.1uF
PANEL_12V
4
5
20150401 BW.KIM
READY
R726
25V
100K
R722
R721
1%
20K
100
C722
PANEL_12V
R727
0.1uF
10K
50V
1%
R771
20K
20130821
IC709
+3.3V_M
C777
MP2315GJ
1uF
10V
R774
FB
33K
1
8
L770
10uH
VCC
NEW
2
7
3A
C776
R775
EN/SYNC
C774
C775
3
6
0.1uF
10uF
10uF
47K
25V
10V
10V
1%
C773
BST
20150401 BW.KIM
0.1uF
R776
4
5
READY
25V
33K
R773
R772
20K
1%
100
C772
R777
0.1uF
15K
50V
1%
R705
33K
+3.5V_ST
L702
10uH
C706
R706
C707
C708
C709
2013.08.07
0.1uF
0.1uF
5.6B->5V
10uF
10uF
5.1K
25V
25V
10V
10V
READY->APPLY
1%
R707
27K
1%
X5R(EAE31360401) -> X7R(EAE52158501)
To improve CST Issue.
2013.11.27 by BJ.KIM
R708
10K
1%
R714
470
+18V
C714
R715
47uF
470
25V
P_12V
PANEL_5V
R725-*1
47K
1%
PANEL_5V
R726-*1
33K
1%
PANEL_5V
R727-*1
15K
1%
PANEL_5V
28MT Series
+5V_USB
** 3.5V_ST -> 1.26V VDDC
V0 = 0.8*(1+(R2/R1))
+3.5V_ST
IC704
AP7173-SPG-13 HF(DIODES)
[EP]
IN
OUT
1
8
PG
FB
R1
2
7
1%
1%
R740
VCC
SS
R741
2.7K
3
6
4.7K
C746
R744
560pF
10K
EN
GND
50V
4
5
C740
10uF
10V
X5R(EAE31360401) -> X7R(EAE52158501)
To improve CST Issue.
2013.11.27 by BJ.KIM
X5R(EAE31360401) -> X7R(EAE52158501)
To improve CST Issue.
2013.11.27 by BJ.KIM
** 3.3V_M -> 1.8V_M
IC711
+3.3V_M
AP1117E18G-13
IN
ADJ/GND
3
1
C744
C743
0.1uF
10uF
16V
10V
2
OUT
C745
X5R(EAE31360401) -> X7R(EAE52158501)
10uF
To improve CST Issue.
10V
2013.11.27 by BJ.KIM
** +3.5V_ST -> 3.3V_M
+3.5V_ST
Q710
AO3435
C753
R748
C750
G
0.1uF
4.7uF
33K
16V
10V
R750
10K
R749
2.2K
BOOST_EN
C
R747
10K
B
Q711
POWER_SW
MMBT3904(NXP)
E
FET Multi_DMP2130L_DIODE
FET Multi_SSM3J332R_TOSHIBA
Q720-*1
DMP2130L
** Switch Panel-Vcc
P_12V
FET Multi_AO3407B
Q720
AO3407B
PANEL_12V
4.7uF_25V_Madrian(Not Used)
R767
PANEL_12V
24K
PANEL_5V
C760
R761
C760-*1
Q722
R761-*1
4.7uF
39K
C
120K
4.7uF
MMBT3904(NXP)
25V
16V 4.7uF_16V(Use)
R767-*1
B
C760 X5R(EAE58111501) -> X7R(EAE62772301)
2K
PANEL_12V
R761-*2
To improve CST Issue.
D802
75K
E
2013.11.27 by BJ.KIM
BAT54C
PANEL_5V For 20LB450A
A2
R767-*2
10K
C
A1
PANEL_12V
R762
39K
PANEL_5V
PANEL_5V
PANEL_5V For 20LB450A
R768
R762-*1
0
R762-*2
20K
12K
PANEL_5V For 21.5 AUO
R762-*3
C
18K
B
PANEL_ON
Q721
MMBT3904(NXP)
E
+1.2V_VDDC
OUT:1.26V
C742
ZD703
10uF
2.5V
Add for imporving main IC burn Issue.
10V
+1.8V_M
ZD704
5V
Add for imporving main IC burn Issue.
+3.3V_M
C754
10uF
10V
X5R(EAE31360401) -> X7R(EAE52158501)
To improve CST Issue.
2013.11.27 by BJ.KIM
Q720-*3
SSM3J332R
PANEL_VCC
READY
C761
R765
R766
0.1uF
3.3K
4.7K
16V
44A/45A/450A
2013/08/21
POWER
7
8
LGE Internal Use Only
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