LG 24LF4520, Руководство по обслуживанию, Страница: 27 / 29

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.
C812
1uF
10V
OPT
Q800
MMBT3904(NXP)
21.6/26/27.5/29 Panel
E
B
C
R809
1K
1%
24V_Panel
R814 0
1/16W
5%
24V_Panel
C807
0.1uF
50V
CMI_29"
JP803
+19V
R832
0
24V_Panel
R888 1.5K 1/16W
24V_Panel
C825
33uF
100V
-55TO+105C
CMI_29"
JP806
C801
10uF
25V
21.6/26/27.5/29 Panel
R813
0
R815
470K
1/16W
5%
24V_Panel
+24V_BLU
JP805
C804
47pF
50V
24V_Panel
C824
33uF
100V
-55TO+105C
CMI_29"
L800
33uH
27.5/CMI_29"
C800
10uF
25V
21.6/26/27.5/29 Panel
C803
100pF
50V
21.6/26/27.5/29 Panel
WLED_DIM_ADJ
JP807
R807
30K
1/16W
21.6/26/27.5/29 Panel
JP801
R804
680
1/8W
1%
CMI_29"
R810
3.3
1/16W
21.6/26/27.5/29 Panel
R
8
0
1
1
0
K
1
/
1
6
W
21.6/26/27.5/29 Panel
R815-*1
1K
1/16W
1%
CMI_29"
C802
2200pF
50V
24V_Panel
R808-*1
3.9K
1%
CMI_29"
+19V
R806 51K 1/8W 1%
21.6/26/27.5/29 Panel
+24V_BLU
P801
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
R809-*1
3.9K
1%
CMI_29"
R834
0
CMI_29"
IC800
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]
R812
10K
OPT
C802-*1
0.033uF
50V
CMI_29"
Q801
AOD478
21.6/26/27.5/29 Panel
S
D
G
JP802
+19V
R803
10K
1/16W
21.6/26/27.5/29 Panel
WLED_DIM_ADJ
+24V_BLU
C804-*1
470pF
50V
CMI_29"
WLED_ENABLE
C809
1uF
10V
OPT
R808
1K
1%
24V_Panel MULTI_ON
R814-*1 18K
1/16W
1%
CMI_29"
P800
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
R802
0
OPT
First_output
R805
220K
1/16W
21.6/26/27.5/29 Panel
R800
4.7K
21.6/26/27.5/29 Panel
C808-*1
330pF
50V
CMI_29"
D800
100V
BR210
21.6/26/27.5/29 Panel
JP804
C815
0.1uF
50V
OPT
R811 0.1 1W 1%
21.6/26/27.5/29 Panel
JP800
R833
0
LGD FHD/CMI 24"
C805
0.22uF
16V
21.6/26/27.5/29 Panel
WLED_ENABLE
+3.3V_ST
C806
1uF
25V
21.6/26/27.5/29 Panel
C808
100pF
50V
24V_Panel
R829
100K
CMI_29"
C810
1uF
50V
CMI_29"
C811
1uF
50V
CMI_29"
R828
100K
CMI_29"
L801
10uH
21.6/26_24V_Panel
C813
0.1uF
25V
24V_Panel
C814
68uF
35V
105C
24V_Panel
C816
1uF
50V
24V_Panel
C817
1uF
50V
24V_Panel
Option
(24V Panel)
Not set
Not Set
Not set
PANEL
Not Set
LGD(FHD)
CMI(23.6")
Input
Voltage
Option
(LGD FHD
/CMI 24")
VOUT = VREF*(1+51K/680)
= 0.7 *(1+51K/680)
= 53.2V
Not set
Not set
Set
Not set set
LGD(21.6/26")
Not Set
53.2V set
Set
19V
set
Set
121212
1k->3.9K
220pF->330pF
FIRST BOOST UP
CSOT(27.5")
Not Set
Not set
121118
Change 10V -> 25V
for derating
Not Set
Option
(21.6/26
/27.5
/29 Panel)
Not set 24V set
19V Set
Set
Option
(CMI 29")
24V
121118
Change 2012 -> 1608
for cost down
set
CMI(29")
Set
Not set
Not Set
Option
(LGD FHD
/CMI)
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Only for training and service purposes LGE Internal Use Only