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LG 47SL90QD Service Manual page 21

Chassis : lj91l
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A
* FROM LIPS & POWER B/D -->Apply changed Pin Map
P801
FM20020-24
7
N.C
1
2
GND
3
4
GND
5
6
5.2V
7
8
5.2V
9
10
+12V
GND
11
12
L808
12V
MLB-201209-0120P-N2
13
14
C824
GND
C828
C826
C896
15
16
0.1uF
0.1uF
47uF
22uF
50V
50V
25V
24V
17
18
16V
OPT
N.C
19
20
A.Dim
21
22
6
N.C
23
24
L804
4.7K
25
R801
BG2012B080TF
A_DIM
9:G6;9:I3
C805
C808
1uF
16V
25V
0.1uF
OPT
C895
0.1uF
50V
TruMotion_240Hz
OPT
L826
R869
BG2012B080TF
0
PWM_DIM
C829
9:G7;9:I3;7:I5
1uF
R822
5
25V
0
OPT
OPC_OUT1
7:I5
OPT
+12V
R832
R834
3.3K
150K
1/10W
IC806
SC2621ASTRT
BST
DH
1
14
OCS
PN
2
13
4
COMP
GND_2
3
12
FB
DL
4
11
LDOG
DRV
5
10
LDFB
NC
6
9
GND_1
VCC
7
8
C821
C832
0.068uF
1uF
25V
R821
1.8K
must be placed with pin#8,#10 as close as possible.
3
R831
R833
6.8K
SC2621ASTRT
BST
1
OCS
2
2
COMP
3
FB
4
LDOG
5
LDFB
6
GND_1
7
C815
2200pF
R814
15K
1%
1
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.
B
C
+3.3V_ST
+5V_ST
L806
MLB-201209-0120P-N2
Q805
R823
1K
C820
R820
R817
R829
15pF
33K
33K
0
50V
RT1P141C-T112
C
R828
Q807
B
RL_ON
2SC3875S(ALY)
10K
12:I5;14:E5
OPT
E
OPT
POWER_ON
+5V_ST
GND
CB4532UK121E
GND
220uF ==> 100uF*2 + 22uF for Depth
L807
5.2V
5.2V
C819
C842
C899
C827
22uF
100uF
22uF
100uF
GND
16V
16V
16V
12V
GND
+24V
L805
CB4532UK121E
24V
Inverter_On
C812
C804
C807
C802
0.1uF
68uF
1uF
Error_Out
50V
68uF
35V
50V
35V
PWM_Dim
+5.0V
R818
+3.3V_ST
3.3K
R815
100
OPT
R826
C
10K
R824
R830
10K
0
B
C
R870
E
Q806
10K
Q813
B
2SC3052
INV_ON/OFF
2SC3875S(ALY)
OPT
12:I5
OPT
E
R827
10K
OPT
ERROR_OUT
R807
R802
12:F6
C806
0.1uF
0
0
OPT
OPT
12:A3;A6;C4;F7;G7;I2;14:B2
+12V
C838
1uF
12:A3;A6;B5;F7;G7;I2;14:B2
25V
D802
1N4148W
100V
L819
2.2uH
Q810
R849
SI4804BDY
10K
S1
D1_2
1
8
R837
G1
D1_1
2
7
3.3
S2
D2_2
3
6
G2
D2_1
4
5
10uF
25V
C837
C848
OPT
C1818
470pF
1uF
0.1uF
25V
50V
+5.0V
390K
C835
1uF
1/8W
25V
IC804
D801
+5V_ST
1N4148W
100V
DH
14
PN
13
GND_2
12
Q809
SI4804BDY
DL
11
S1
D1_2
1
8
DRV
G1
D1_1
10
2
7
S2
D2_2
3
6
NC
9
G2
D2_1
4
5
VCC
22uF
8
16V
C1805
1uF
25V
AN SO YOUNG
D
E
+12V
L822
R873
R859
MLB-201209-0120P-N2
3.3K
330K
1/10W
IC809
SC2621ASTRT
BST
DH
1
14
OCS
PN
2
13
COMP
GND_2
3
12
FB
DL
4
11
LDOG
DRV
5
10
LDFB
NC
6
9
GND_1
VCC
7
8
C856
OPT
C1806
6800pF
C1819
1uF
0.1uF
25V
50V
R854
10K
must be placed with pin#8,#10 as close as possible.
* +12V to +5.0V
+5.0V
12:A3;2:Y20;2:Z10;B3;C6;H5;7:A3;14:I7;14:J1
R853
300
C853
C860
C863
C1808
C1801
10uF
10uF
0.01uF
10uF
16V
16V
16V
470pF
C851
* +5.0V to 1.2V
D1.2V
A1.2V
L821
L817
MLB-201209-0120P-N2
2.2uH
F
G
H
C873
+12V
1uF
25V
D803
1N4148W
100V
We'll change SI4804 to KEC's Product
L828
2.2uH
Q812
R862
R864
SI4804BDY
5.6K
620
S1
D1_2
1
8
R861
470pF
G1
D1_1
2
7
C880
3.3
S2
D2_2
3
6
G2
D2_1
4
5
10uF
C872
25V
C879
1uF
470pF
1K
25V
R863
* D1.8V
D1.8V
+5.0V
750 mA
D3.3V
IC802
AZ1085S-ADJTR/E1
INPUT
OUTPUT
3
2
1
C822
C876
C811
ADJ/GND
330uF
100uF
0.1uF
C818
L812
16V
0.1uF
1%
1%
4V
MLB-201209-0120P-N2
R825
R857
66.5
56
R819
56
R1
R2
1%
Vout = (1+R2/R1)*1.25
C840
0.1uF
1000pF
1.8V_BCM3556
C836
50V
* +1.8V_MEMC for FRC DDR
D3.3V
VOUT : 2.533V
D2.5V
A2.5V
NC_2
NC_3
4
5
L827
MLB-201209-0120P-N2
VIN
VO
3
6
0
EN
ADJ
2
7
R835
NC_1
GND
1
8
C1815
C858
10uF
33uF
10V
6.3V
SC4215ISTRT
IC803
D805
SAM2333
* +5v_ST to +3.3V_ST
* +12v -> PANEL_POWER
+5V_ST
+3.3V_ST
IC801
AZ1117D-3.3TRE1
INPUT
OUTPUT
3
2
1
C801
C803
ADJ/GND
10uF
0.1uF
16V
16V
12:I5
PANEL_CTL
I
J
D3.3V
+3.3V_MEMC
L829
MLB-201209-0120P-N2
A3.3V
L830
MLB-201209-0120P-N2
C1816
10uF
6.3V
SAM2333
415 mA @85% efficiency
+1.8V_MEMC
400 mA + 600 mA
IC805
AOZ1073AIL
L815
3.6uH
PGND
LX_2
1
8
C859
VIN
LX_1
C1817
C855
2
7
0.1uF
10uF
10uF
6.3V
AGND
EN
3
6
FB
COMP
C841
4
5
10uF
R871
20K
C846
R845
330pF
15K
50V
* +1.26V Core for FRC
600 mA
+1.8V_MEMC
+1.26V_MEMC
IC807
SC4215ISTRT
NC_1
GND
1
8
R852
EN
ADJ
10K
2
7
VIN
VO
3
6
NC_2
NC_3
R856
4
5
C868
C870
22K
10uF
0.1uF
10V
16V
+12V
Q804
SI4925BDY
S1
1
8
D1_2
G1
2
7
D1_1
7:I5;7:I7
S2
3
6
D2_2
12V_TCON
OPT
G2
4
5
D2_1
C817
R812
1uF
4.7uF
47K
25V
1uF
C833
25V
R810
25V
22uF
22K
25V
C1811
47K
R813
OPT
C
R806
10K
B
Q803
2SC3052
C
E
R805
10K
B
2SC3052
E
FLASH, A1.2, +1.8_DDR_BCM3556, VTT
BCM (BRAZIL VENUS)
2009.03.23
POWER
4
15

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