LG 22MT47A, Service Manual

Page: 32 / 34

THERMAL
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
+3.5V_ST
C744
0.1uF
16V
C761
0.1uF
16V
+1.8V_M
PANEL_VCC
PANEL_ON
R747
10K
R749
2.2K
POWER_SW
+3.3V_M
P_12V
Q721
MMBT3904(NXP)
E
B
C
C750
0.1uF
16V
+3.3V_M
R766
4.7K
READY
Q710
AO3435
G
D S
Q711
MMBT3904(NXP)
E
B
C
R765
3.3K
R748
33K
IC711
AP1117E18G-13
2
OUT
3
IN
1
ADJ/GND
R750
10K
+19V
JP701
JK700
KJA-DC-1-0032
1
1
2
2
4
4
JP702
D711
18V
READY
C714
47uF
25V
+18V
+1.2V_VDDC
IC704
AP7173-SPG-13 HF(DIODES)
3
VCC
2
PG
4
EN
1
IN
5
GND
6
SS
7
FB
8
OUT
9
[EP]
R744
10K
R741
4.7K
1% R740
2.7K
1%
+3.5V_ST
C746
560pF
50V
R714
470
R715
470
C753
4.7uF
10V
C701
68uF
35V
BOOST_EN
R708
10K
1%
R702
100K
R707
27K
1%
R704
20K
C703
10uF
25V
R705
33K
R706
5.1K
1%
L702
10uH
R701
47K
IC701
MP2315GJ
3
SW
2
IN
4
GND
1
AAM
5
BST
6
EN/SYNC
7
VCC
8
FB
+3.5V_ST
C775
10uF
10V
IC709
MP2315GJ
3
SW
2
IN
4
GND
1
AAM
5
BST
6
EN/SYNC
7
VCC
8
FB
R770
47K
READY
C774
10uF
10V
C772
0.1uF
50V
R774
33K
L770
10uH
R773
20K
READY
C770
10uF
25V
C771
0.1uF
25V
C776
0.1uF
25V
C773
0.1uF
25V
C704
0.1uF
25V
C706
0.1uF
25V
C709
0.1uF
25V
R775
47K
1%
R776
33K
1%
R777
15K
1%
+3.3V_M
+5V_USB
+19V
C705
0.1uF
50V
C721
0.1uF
25V
C724
0.47uF
16V
READY
R723
4.7K
C720
10uF
25V
R720
47K
IC702
MP2315GJ
3
SW
2
IN
4
GND
1
AAM
5
BST
6
EN/SYNC
7
VCC
8
FB
R722
20K
READY
C727
0.1uF
25V
C723
0.1uF
25V
C722
0.1uF
50V
+19V
R724
33K
P_12V
R726
100K
1%
PANEL_12V
R725
43K
1%
PANEL_12V
R727
10K
1%
PANEL_12V
C725
10uF
16V
C726
10uF
16V
POWER_SW
R726-*1
33K
1%
PANEL_5V
R727-*1
15K
1%
PANEL_5V
R725-*1
47K
1%
PANEL_5V
C745
10uF
10V
L720
10uH
R703
68
R721
68
R772
68
ZD700
5.6B
+5V_USB_Zener_UDZS5.6B
ZD701
15V
READY
R771
20K
ZD702
5V
C777
1uF
10V
Q722
MMBT3904(NXP)
E
B
C
R762
39K
PANEL_12V
R768
0
PANEL_5V
R767
24K
PANEL_12V
D802
BAT54C
PANEL_12V
A2
C
A1
R761
39K
PANEL_12V
R767-*1
2K
PANEL_5V
C760
4.7uF
25V
4.7uF_25V_Madrian(Not Used)
C754
10uF
10V
C743
10uF
10V
C742
10uF
10V
C740
10uF
10V
C708
10uF
10V
C707
10uF
10V
Q720-*1
DMP2130L
FET Multi_DMP2130L_DIODE
G
D S
Q720-*2
PMV48XP
FET Multi_PMV48XP_NXP
G
D S
Q720
AO3407B
FET Multi_AO3407B
G
D S
L710
UBW2012-121F
ZD703
2.5V
ZD704
5V
C760-*1
4.7uF
16V
4.7uF_16V(Use)
R761-*1
120K
PANEL_5V
R762-*1
20K
PANEL_5V
R761-*2
75K
PANEL_5V For 20LB450A
R762-*2
12K
PANEL_5V For 20LB450A
R762-*3
18K
PANEL_5V For 21.5 AUO
Q720-*3
SSM3J332R
FET Multi_SSM3J332R_TOSHIBA
S
G
D
ZD700-*1
5.6V
+5V_USB_Zener_KDZ5.6V
7 8 POWER
44A/45A/450A
** Switch Panel-Vcc
** +3.5V_ST -> 3.3V_M
** 3.3V_M -> 1.8V_M
19V TO PANEL VCC(12V/5V) DCDC CONVERTER
19V TO ST3.3V DCDC CONVERTER
19V TO USB 5V DCDC CONVERTER
OUT:1.26V
** 3.5V_ST -> 1.26V VDDC
R1
V0 = 0.8*(1+(R2/R1))
2013/08/21
NEW
3A
3A
NEW
NEW
3A
20130528 cJ.LIM
20130528 cJ.LIM
20130528 cJ.LIM
2013.08.07
5.6B->5V
READY->APPLY
2013.08.09
APPLY -> READY
DCM -> CCM
20130821
44A/45A/450A
TBD
C760 X5R(EAE58111501) -> X7R(EAE62772301)
To improve CST Issue.
2013.11.27 by BJ.KIM
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
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
X5R(EAE31360401) -> X7R(EAE52158501)
To improve CST Issue.
2013.11.27 by BJ.KIM
Add for imporving main IC burn Issue.
Add for imporving main IC burn Issue.
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Only for training and service purposes
LGE Internal Use Only