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FIRST BOOST UP
+19V
21.6/26/27.5/29 Panel
C1001
C1000
C1004
10uF
10uF
0.1uF
25V
50V
25V
21.6/26/27.5/29 Panel
21.6/26/27.5/29 Panel
OPT
21.6/26/27.5/29 Panel
C1005
R1006
100pF
220K
50V
1/16W
+3.3V_ST
21.6/26/27.5/29 Panel
IC1000
TPS40210DGQR
RC
1
10
21.6/26/27.5/29 Panel
R1005
C1007
0.22uF
SS
10K
2
9
1/16W
16V
21.6/26/27.5/29 Panel
DIS/EN
3
8
COMP
4
7
CMI_29"
FB
21.6/26/27.5/29 Panel
5
6
21.6/26/27.5/29 Panel
C1002-*1
C
R1000
0.033uF
4.7K
B
Q1000
50V
MULTI_ON
MMBT3904(NXP)
24V_Panel
E
C1002
21.6/26/27.5/29 Panel
OPT
2200pF
50V
R1001
121118
10K
24V_Panel
CMI_29"
Change 2012 -> 1608
C1006
C1006-*1
for cost down
47pF
470pF
50V
50V
24V_Panel
R1004
470K
1/16W
5%
CMI_29"
R1004-*1
1K
1/16W
1%
CSOT 27.5" Connector
+19V
+24V_BLU
P1000
+24V_BLU
20022WR-14A00
JP1002
24V
1
24V
2
24V
3
24V
4
24V
5
GND
6
GND
7
GND
8
GND
9
GND
10
ERROR_OUT
11
JP1000
JP1004
INV_ON
12
WLED_ENABLE
WLED_ENABLE
NC
13
JP1001
JP1005
PWN_DIM
14
WLED_DIM_ADJ
WLED_DIM_ADJ
C1003
1uF
15
10V
OPT
GND
JP1003
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 ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
+19V
LGD FHD/CMI 24"
+24V_BLU
24V_Panel
21.6/26/27.5/29 Panel
21.6/26/27.5/29 Panel
R1051
L1000
D1000
0
33uH
BR210
100V
21.6/26/27.5/29 Panel
21.6/26/27.5/29 Panel
C3430
C1012
C1013
R1050
1uF
100K
33uF
33uF
50V
100V
100V
21.6/26/27.5/29 Panel
21.6/26/27.5/29 Panel
-55TO+105C
-55TO+105C
R1007
30K
C1014
21.6/26/27.5/29 Panel
R1049
1uF
1/16W
100K
50V
21.6/26/27.5/29 Panel
21.6/26/27.5/29 Panel
[EP]
VDD
BP
21.6/26/27.5/29 Panel
D
21.6/26/27.5/29 Panel
R1009
Q1001
GDRV
3.3
AOD478
G
1/16W
24V_Panel
S
ISNS
R1008
1K
1%
GND
21.6/26/27.5/29 Panel
24V_Panel
C1008
C1009
C1010
R1047
1uF
0.1uF
100pF
1K
25V
50V
50V
1%
24V_Panel
121212
1k->3.9K
220pF->330pF
121118
Change 10V -> 25V
CMI_29"
CMI_29"
CMI_29"
for derating
R1008-*1
C1010-*1
R1047-*1
3.9K
330pF
3.9K
50V
1%
1%
VOUT = VREF*(1+51K/680)
CMI_29"
R1013
= 0.7 *(1+51K/680)
680
= 53.2V
1/8W
1%
LGD 21.6"/26" Connector
P1001
SM14B-SRSS-TB
JP1006
24V
1
24V
2
24V
3
24V
4
24V
5
GND
6
Option
GND
(21.6/26
7
Input
/27.5
Voltage
PANEL
/29 Panel)
GND
8
CSOT(27.5")
24V
set
GND
9
24V
set
LGD(21.6/26")
GND
10
19V
CMI(23.6")
Not Set
ERROR_OUT
11
LGD(FHD)
19V
Not Set
INV_ON
12
CMI(29")
53.2V
set
NC
13
PWN_DIM
14
C1011
1uF
15
10V
OPT
GND
JP1007
R1014
0
REDUCE INDUCTOR TEMP ISSUE
CMI_29"
VOUT#1=53.2V
R1015
0
WLED_ENABLE
CMI_29"
CMI_29"
LGD FHD/CMI 24"
R1017-*1
R1020-*1
R1017
120K
270K
0
1/8W
1/8W
1/8W
1%
1%
CMI_29"
5%
R1022-*1
6.2K
1%
CMI 29"Panel OVP
LGD FHD/CMI
R1016
100
LGD FHD/CMI
WLED_DIM_ADJ
BLU_CURRENT_CTL
CMI_29"
R1024-*1
13
12
11
10
9
Option
Option
Option
Option
(LGD FHD
(LGD FHD
(24V Panel)
(CMI 29")
8
/CMI)
/CMI 24")
7
set
Not set
Not set
Not set
6
set
Not set
Not set
Not set
Not set
Set
Set
Not Set
5
Not set
Set
Set
Not Set
4
Not Set
Set
Not Set
Set
3
2
1
05002HR-H12J05
P1003
CMI_23.6" Connector
CMI_29"
P1002
SMAW200-03
3
JP1008
2
1
JP1009
CMI_29"
L1001
L1002
33uH
33uH
LGD FHD/CMI
LGD FHD/CMI 24"
R1054
0
1/8W
+19V
LGD FHD/CMI
LGD FHD/CMI
IC1001
LGD FHD/CMI
R1023
C1020
DT1641AS
[EP]GND
100K
100pF
1%
50V
EN
VIN
LGD FHD/CMI
1
24
C1023
LGD FHD/CMI 24"
LGD FHD/CMI
1uF
25V
R1020
C1022
OVP
VREF
510K
2
23
LGD FHD/CMI
1/8W
C1021
1uF
LGD FHD/CMI 24"
1%
25V
1000pF
NC_1
CS
R1022
3
22
22K
50V
1%
PGND_1
NDRV
4
21
PGND_2
RSS
5
20
LGD FHD/CMI
C1019
R1019
100pF
100K
50V
PDIM
COMP
1%
6
19
LGD FHD/CMI
R1021
RISET
RT
75K
7
18
1%
LS8
LS1
LGD FHD/CMI
R1024
8
17
1.5K
1%
LS7
LS2
9
16
LGD FHD/CMI
3K
LGD FHD/CMI
1%
R1025
22K
LS6
LS3
1%
10
15
LS5
LS4
11
14
NC_2
LGND
12
13
LED_CH3/23.8"LGD
R1048
0
LED_CH3/23.8"LGD
R1055
0
LGD FHD
JP1010
R1033
0
LGD FHD
JP1011
R1034
0
NOT23.8"LGD
JP1012
R1031
0
NOT23.8"LGD
JP1014
R1032
0
JP1013
M1002
M1000
M1001
M1003
CMI_29"
R1026
10K
CMI_29"
ZD1000
33V
LGD FHD/CMI
D1001
UF3D(SUZHOU GRANDE)
D
CMI_29"
LGD FHD/CMI
Q1002
R1052
0
G
SMK630D
S
D
LGD FHD/CMI 24"
Q1002-*1
AOD478
G
S
LGD FHD/CMI
LGD FHD/CMI
R1037
R1039
220K 1%
30K 1%
C1024
4700pF
50V
LGD FHD/CMI
LGD FHD/CMI
LGD FHD/CMI 24"
C1025
R1038
1.5K 1%
0.047uF
25V
R1035
CMI_29"
39K
C1025-*1
1%
0.1uF
R1036
25V
1.5K
1%
LGD FHD/CMI
REDUCE RIPPLE CURRENT
LGD FHD/CMI
C1027
CMI_29"
33uF
LGD FHD/CMI 24"
R1046
CMI_29"
CMI_29"
1M
100V
C1028-*1
1/8W
C1028
C1029
1uF
1%
0.1uF
0.1uF
-55TO+105C
100V
250V
250V
CMI_29"
CMI_29"
LGD FHD/CMI 24"
C1026
R1045
LGD FHD/CMI 24"
33uF
1M
C1029-*1
R1045-*1
1/8W
1uF
100V
1%
0
100V
-55TO+105C
7
M1004
6
6
M1005
5
5
M1006
4
4
3
3
M1007
2
2
LGD FHD
M1008
R1041
0
1
1
LGD FHD
R1040
0
12507WR-06L
LGD FHD
12507WR-06L
P1005
R1042
0
P1004
LGD FHD
LGD FHD
LGD FHD
R1043
0
LED Driver Setting
21.5 inch LGD Panel : LED_CH2, LED_CH3 SET
23 inch LGD Panel : LED_CH2, LED_CH3 SET
27 inch LGD Panel : LED_CH2 SET
29 inch CMI Panel : LED_CH1, LED_CH2 SET
23.8 inch LGD FHD : LED_CH1/CH2 NOTSET
LED_CH3 SET
MA55
2013/05/23
LED DRIVER
10
LGE Internal Use Only
7
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