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LG 47SL90QD Service Manual page 28

Chassis : lj91l
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A
7
6
5
4
POWER DETECT
+3.3V_ST
+5.0V
R485
OPT
+12V
10K
9:A7;I4
R481
R478
0
10K
OPT
C
OPT
R476
R479
B
Q405
3
15K
2SC3052
1K
OPT
C
R492
E
0
B
Q404
R480
2.2K
2SC3052
OPT
NCP803SN293
OPT
E
R477
6.8K
RESET
2
R487
100K
OPT
R483
0
2
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
GND
DDC_SCL
9:G7;14:A4
DDC_SDA
9:G7;14:A4
14:A3;14:E6
IR
14:H2
UCOM_RX
14:I1
UCOM_TX
+5V_ST
+24V
IC405
R484
R482
POWER_DET
30K
30K
OPT
24LC16BT-I/SN
R490
OPT
0
A0
1
IC1003
A1
2
OPT
VCC
3
R486
A2
1
3
0
GND
VSS
4
GND
LIM.K.R
D
E
+3.3V_ST
R454
2K
R451
2K
+3.3V_ST
IC402
R489
33K
+3.3V_ST
KIA7029AF
C
GND
C407
Q401
OPT
I
O
B
1
3
OPT
2SC3875S(ALY)
2
E
C402
G
C403
GND
0.1uF
0.1uF
+3.3V_ST
R430
16V
16V
100
HSYNC/P1.5
GND
GND
GND
1
VSYNC/P1.6
OPT
2
M5V_ON
R403
0
P1.7/SOGI
3
R416
0
+3.3V_ST
RST
4
HSCL1/P3.0/RXD
R406
5
4.7K
P4.3/AD3
6
HSDA1/P3.1/TXD
7
P3.2/INT0
8
R421
4.7K
R405
P3.3/INT1
220
9
R423
OPT
OPT
ISDA/P3.4/T0
10
R404
ISCL/P7.5
220
11
C415
R429
OPT
0.1uF
16V
GND
+3.3V_ST
+3.3V_ST
VCC
8
C406
0.1uF
WP
16V
7
SCL
6
SDA
5
F
G
H
D3.3V
+3.3V_ST
C410
C411
0.1uF
100uF
16V
16V
GND
P5.4
33
P5.5
32
P5.6
31
P5.7/CLKO2
30
P7.0/HBLANK
29
IC406
P4.1/AD1
28
MTV416GMF
P7.1/VBLANK
27
P7.2/HCLAMP
26
P6.7
25
P6.6
24
R450
100
P6.5
OPT
23
C412
0.1uF
OPT
GND
+3.3V_ST
OPT
R459
4.7K
R447
4.7K
R455
OPT
4.7K
R452
OPT
47K
GND
X401
24MHz
C413
C408
C409
0.1uF
GND
22pF
22pF
50V
50V
GND
GND
BCM (BRAZIL VENUS)
I
J
R465
100
PANEL_CTL
4:H1
OPT
FLASH_WP_1
4:C5
R468
100
INV_ON/OFF
4:C5
R467
22
RL_ON
4:C7;14:E5
100
R431
RESET
9:A7
OPT
R475
1K
POWER_DET
9:C1
AMP_RST
9:G7;9:I3;3:C5
R449
100
OPT
+5.0V
EDID_WP
14:A4
C
B
Q402
RT1N141C-T112-1
E
GND
R462
100
KEY2
14:E6
R456
100
KEY1
14:E6
C414
0.1uF
16V
2009.03.23
MICOM
12
15

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