THERMAL
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.
LED DRIVER
2013/05/23
10
MA55
R1042
0
LGD FHD
C1019
100pF
50V
LGD FHD/CMI
C1004
0.1uF
50V
OPT
JP1014
M1004
JP1002
D1000
100V
BR210
21.6/26/27.5/29 Panel
R1021
75K
1%
LGD FHD/CMI
R1035
39K
1%
LGD FHD/CMI
C1024
4700pF
50V
LGD FHD/CMI
JP1009
R1019
100K
1%
LGD FHD/CMI
R1005
10K
1/16W
21.6/26/27.5/29 Panel
R
1
0
0
2
1
0
K
1
/
1
6
W
21.6/26/27.5/29 Panel
JP1013
R1033
0
LGD FHD/23.6"
JP1010
+24V_BLU
M1005
IC1001
DT1641AS
LGD FHD/CMI
3
NC_1
2
OVP
4
PGND_1
1
EN
6
PDIM
5
PGND_2
7
RISET
8
LS8
9
LS7
10
LS6
11
LS5
12
NC_2
13
LGND
14
LS4
15
LS3
16
LS2
17
LS1
18
RT
19
COMP
20
RSS
21
NDRV
22
CS
23
VREF
24
VIN
25
[EP]GND
JP1011
C1009
0.1uF
50V
21.6/26/27.5/29 Panel
R1000
4.7K
21.6/26/27.5/29 Panel
R1009
3.3
1/16W
21.6/26/27.5/29 Panel
WLED_ENABLE
M1003
Q1001
AOD478
21.6/26/27.5/29 Panel
S
D
G
D1001
UF3D(SUZHOU GRANDE)
LGD FHD/CMI
IC1000
TPS40210DGQR
21.6/26/27.5/29 Panel
3
DIS/EN
2
SS
4
COMP
1
RC
5
FB
6
GND
7
ISNS
8
GDRV
9
BP
10
VDD
11
[EP]
WLED_DIM_ADJ
JP1008
R1023
100K
1%
LGD FHD/CMI
P1004
12507WR-06L
LGD FHD
1
2
3
4
5
6
7
+3.3V_ST
C1021
1000pF
50V
LGD FHD/CMI
+19V
WLED_DIM_ADJ
R1037
220K 1%
LGD FHD/CMI
+24V_BLU
R1038
1.5K 1%
LGD FHD/CMI
R1041
0
LGD FHD/23.6"
MULTI_ON
R1040
0
LGD FHD/23.6"
R1011
0.1
1W
1%
21.6/26/27.5/29 Panel
R1027
0
CMI_29"
R1034
0
LGD FHD/23.6"
M1006
+19V
WLED_ENABLE
R1007
30K
1/16W
21.6/26/27.5/29 Panel
M1000
JP1001
R1039
30K 1%
LGD FHD/CMI
BLU_CURRENT_CTL
Q1000
MMBT3904(NXP)
21.6/26/27.5/29 Panel
E
B
C
R1036
1.5K
1%
LGD FHD/CMI
JP1003
M1008
M1001
ZD1000
33V
CMI_29"
R1031
0
NOT23.8"LGD/ NOT 23.6"
C1020
100pF
50V
LGD FHD/CMI
JP1012
P1002
SMAW200-03
CMI_29"
1
2
3
R1028
0
CMI_29"
R1016
100
LGD FHD/CMI
C1001
10uF
25V
21.6/26/27.5/29 Panel
R1032
0
NOT23.8"LGD/ NOT 23.6"
R1029
0
CMI_29"
JP1000
R1001
10K
OPT
C1007
0.22uF
16V
21.6/26/27.5/29 Panel
P1000
20022WR-14A00
24V
24V
24V
24V
24V
GND
GND
GND
GND
GND
ERROR_OUT
INV_ON
NC
PWN_DIM
GND
CSOT 27.5" Connector
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
C1012
33uF
100V
-55TO+105C
21.6/26/27.5/29 Panel
C1023
1uF
25V
LGD FHD/CMI
C1003
1uF
10V
OPT
C1005
100pF
50V
21.6/26/27.5/29 Panel
R1013
680
1/8W
1%
CMI_29"
R1030
0
CMI_29"
C1008
1uF
25V
21.6/26/27.5/29 Panel
R1006
220K
1/16W
21.6/26/27.5/29 Panel
P1003
05002HR-H12J05
CMI_23.6" Connector
1
2
3
4
5
6
7
8
9
10
11
12
13
+19V
M1002
C1022
1uF
25V
LGD FHD/CMI
Q1002
SMK630D
CMI_29"
S
D
G
C1000
10uF
25V
21.6/26/27.5/29 Panel
R1043
0
LGD FHD
M1007
R1026
10K
CMI_29"
P1005
12507WR-06L
LGD FHD
1
2
3
4
5
6
7
C1011
1uF
10V
OPT
WLED_ENABLE
JP1006
JP1004
+24V_BLU
JP1005
JP1007
P1001
SM14B-SRSS-TB
24V
24V
24V
24V
24V
GND
GND
GND
GND
GND
ERROR_OUT
INV_ON
NC
PWN_DIM
GND
LGD 21.6"/26" Connector
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
WLED_DIM_ADJ
R1044
0.1
1%
LGD FHD/CMI
C1013
33uF
100V
-55TO+105C
21.6/26/27.5/29 Panel
C3430
1uF
50V
21.6/26/27.5/29 Panel
C1014
1uF
50V
21.6/26/27.5/29 Panel
R1049
100K
21.6/26/27.5/29 Panel
R1050
100K
21.6/26/27.5/29 Panel
+19V
R3423
0
OPT
R1010
0
R1052
0
LGD FHD/CMI
R1012
51K
1/8W
1%
21.6/26/27.5/29 Panel
R1015
0
CMI_29"
R1014
0
LGD FHD/CMI 24"
R1051
0
24V_Panel
L1000
33uH
21.6/26/27.5/29 Panel
R1047-*1
3.9K
1%
CMI_29"
C1002-*1
0.033uF
50V
CMI_29"
R1003-*1
18K
1/16W
1%
CMI_29"
C1006-*1
470pF
50V
CMI_29"
R1008-*1
3.9K
1%
CMI_29"
R1004-*1
1K
1/16W
1%
CMI_29"
C1010-*1
330pF
50V
CMI_29"
C1002
2200pF
50V
24V_Panel
R1003
0
24V_Panel
R1004
470K
1/16W
5%
24V_Panel
C1006
47pF
50V
24V_Panel
C1010
100pF
50V
24V_Panel
R1053
1.5K
1/16W
24V_Panel
R1022-*1
6.2K
1%
CMI_29"
R1020-*1
270K
1/8W
1%
CMI_29"
R1017-*1
120K
1/8W
1%
CMI_29"
R1020
510K
1/8W
1%
LGD FHD/CMI 24"
R1017
0
1/8W
5%
LGD FHD/CMI 24"
C1025-*1
0.1uF
25V
CMI_29"
C1025
0.047uF
25V
LGD FHD/CMI 24"
L1001
33uH
LGD FHD/CMI
L1002
33uH
CMI_29"
R1054
0
1/8W
LGD FHD/CMI 24"
R1008
1K
1%
24V_Panel
R1047
1K
1%
24V_Panel
Q1002-*1
AOD478
LGD FHD/CMI 24"
S
D
G
R1024
1.5K
1%
LGD FHD/CMI
R1025
22K
1%
LGD FHD/CMI
R1022
22K
1%
LGD FHD/CMI 24"
R1056
0
LED_CH2/NOT23.8"LGD
R1057
0
LED_CH2/NOT23.8"LGD
R1058
0
LED_CH1
R1059
0
LED_CH1
R1048
0
LED_CH3/23.8"LGD
R1055
0
LED_CH3/23.8"LGD
R1024-*1
3K
1%
CMI_29"
R1061
0
CMI_29"
C1027
33uF
100V
-55TO+105C
R1045
1M
1/8W
1%
CMI_29"
R1046
1M
1/8W
1%
CMI_29"
R1045-*1
0
LGD FHD/CMI 24"
R1046-*1
0
LGD FHD/CMI 24"
C1026
33uF
100V
-55TO+105C
R1067
0
23.6"
R1062
0
23.6"
R1063
0
23.6"
R1064
0
23.6"
R1065
0
23.6"
R1066
0
23.6"
C1028
0.1uF
250V
OPT
C1029
0.1uF
250V
OPT
L100
500-ohm
LED_BEAD
C1029-*1
1uF
100V
OPT
L100-*1
0
LED_0 ohm
C1028-*1
1uF
100V
OPT
VOUT#1=53.2V
121118
Change 2012 -> 1608
for cost down
FIRST BOOST UP
121212
1k->3.9K
220pF->330pF
REDUCE RIPPLE CURRENT
121118
Change 10V -> 25V
for derating
REDUCE INDUCTOR TEMP ISSUE
VOUT = VREF*(1+51K/680)
= 0.7 *(1+51K/680)
= 53.2V
CMI 29"Panel OVP
24V
Option
(CMI 29")
Not set
Not set
Set
24V
Option
(LGD FHD
/CMI 24")
Not Set
Not set
53.2V
CSOT(27.5")
Set
Input
Voltage
Option
(24V Panel)
Set
Not Set
LGD(FHD)
set
Set
19V
set
LGD(21.6/26")
Option
(LGD FHD
/CMI)
Not set
Not set
PANEL
set
set
Set
CMI(23.6")
Not set
Not set
Not Set
Not set
Not Set
Not Set
CMI(29")
Set
Option
(21.6/26
/27.5
/29 Panel)
Not Set
19V
set
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
Copyright © 2014 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
LGE Internal Use Only
Summary of Contents for 28LB45 series
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