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VLCD_POWER
(+12V)
C704
0.1uF
50V
+3.3V_TCON
C700
C701
C703
R700
0.1uF
22uF
22uF
5.1K
50V
16V
16V
R704
C706
820pF
50V
Vout = 0.6*(1+R1/R2)
HVDD
(+8V)
C702
C705
R703
0.1uF
22uF
5.1K
50V
16V
Vout = 0.592*(1+R1/R2)
THE
SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE
SYMBOL MARK OF THE SCHEMETIC.
Copyright © 2010 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
C711
22uF
25V
Q700
SI4804BDY
5
4
D2_1
G2
L700
6
3
10uH
D2_2
S2
3.1A
7
2
R1
D1_1
G1
R705
R713
2.2
8
1
1K
D1_2
S1
1%
C713
2200pF
50V
R706
510
30K
1%
R707
R716
C717
R2
10K
2200pF
6.8K
50V
1%
C716
47pF
50V
VLCD_POWER
(+12V)
C709
C712
C714
0.1uF
22uF
22uF
50V
25V
25V
Q701
SI4804BDY
5
D2_1
L701
6
D2_2
R1
10uH
3.1A
7
D1_1
C707
R710
R715
22uF
6.8K
2.2
8
1%
D1_2
16V
C715
2200pF
50V
R708
R711
510
120K
1%
C710
820pF
50V
R712
R2
C718
10K
47pF
50V
1%
R717
10K
R719
R728
10
10
G2
C722
C724
0.22uF
0.22uF
S2
16V
16V
R746
R745
4.7
4.7
G1
S1
13
6
PGND2
PGND1
R718
R729
14
5
DL2
DL1
0
OPT
0
OPT
IC700
15
4
PGOOD2
PGOOD1
C720
MAX15023ETG+T
16
3
VCC
EN2
10uF
25V
17
2
FB2
EN1
18
1
COMP2
FB1
VLCD_POWER
(+12V)
C727
2200pF
R722
R725
50V
27K
16K
C723
R723
1uF
11K
50V
R721
10
4
G2
3
S2
VLCD_POWER
2
(+12V)
IC701
G1
MAX15026BETD+
C726
1
1uF
S1
50V
IN
DH
1
14
C721
10uF
VCC
LX
25V
2
13
PGOOD
BST
3
12
R720
0
EN
DL
OPT
4
11
007:Z8
DPM_HVDD
R726
11K
LIM
DRV
5
10
COMP
GND
6
9
C719
2200pF
50V
FB
RT
7
8
VLCD_POWER
(+12V)
C730
C734
22uF
0.1uF
25V
50V
Q702
SI4804BDY
4
5
D2_1
3
6
L702
D2_2
10uH
3.1A
2
7
R1
D1_1
R734
9.1K
R736
1
8
1K
D1_2
1%
C729
2200pF
50V
R735
510
R737
36K
TCON_POWER_EN
001:AJ20;006:P14
C732
820pF
50V
Vout = 0.6*(1+R1/R2)
R738
R2
18K
1%
R731
10K
C728
47pF
50V
DPM
004:AN15;006:D12;006:Q5
C725
0.22uF
16V
R747
4.7
R748
2.2
C740
2.2uF
25V
R724
27K
3D + 240 FRC + TCON BOARD
Power Block (TCON)
+1.8V_TCON
C708
C733
C735
C737
C738
R742
22uF
22uF
22uF
22uF
0.1uF
5.1K
16V
16V
16V
16V
50V
D700
OPT
R701
22K
DPM_HVDD
007:O6
C731
1uF
2009. 11. 13
7
10
LGE Internal Use Only
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