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LG 47SL90QD Service Manual page 31

Chassis : lj91l
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A
7
CTR
1
RF-GAIN_SW
2
B0[+5V]
3
VTU
4
RF_AGC
5
LGIT
B1[+5V]
6
NC_1
TU102
7
TDYR-H071F
SIF
8
6
VIDEO_OUT
9
NC_2
10
NC_3
11
AIF
12
B2[2.5V]
13
B3[3.3V]
14
B4[1.2V]
15
RESET[SYRSTN]
16
SDA
17
SCL
18
RSEORF
19
SBYTE
20
SPBVAL
21
5
SRDT
22
SRCK
23
24
SHIELD
4
3
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
TU_+5.0V
C5005-*1
0.1uF
50V
LGIT
C5005
2200pF
C5002
16V
50V
0.1uF
22uF
TU101
50V
R50010 LGIT
C5000
LGIT
VA1G5BF8005
LGIT
C5007
2200pF
R50020 LGIT
50V
RF_SW
1
GAIN_SW
2
BB
3
B1
4
AFT
0
5
SIF
R5004
6
R50000
VIDEO
7
LGIT
B2
8
B3
9
B4
10
RESET
22
R5005
11
SDA
R5006
22
12
SCL
R5007
22
13
RSEORF
14
SBYTE
22
R5008
15
SPBVAL
0
16
R5012
SRDT
22
R5009
17
SRCK
22
R5010
18
C5001
C5003
19
22pF
22pF
50V
50V
SHIELD
LGIT
LGIT
SHARP
C5004
91pF
50V OPT
DO.J.G
D
E
D3.3V
RF_SWITCH
0
RF_SWITCH
3:T24
R5014
GAIN_SWITCH
0
GAIN_SWITCH
3:T24
TU_+5.0V
R5013
L5005
C5016
C5012
C5014
D2.5V
0.01uF
22uF
0.1uF
Place close to Pin
L5002
D3.3V
L5004
C5011
C5010
0.1uF
22uF
C5015
C5017
0.1uF
22uF
A1[RD]
D1.2V
C
R5025
A2[GN]
L5006
LD5000
SAM2333
C5020
C5018
TUNER_RESETb
3:T26
0.1uF
22uF
SDA0_3.3V
SAM2333
3:T26
LD5001
SCL0_3.3V
3:T26
R5023
A1[RD]
1K
C
A2[GN]
TU_SYNC
3:T27
TU_+5.0V
TU_SDATA
3:T27
L5007
TU_SCLK
3:T27
C5021
R5022
0.01uF
0
TU_SIF
OPT
C5019
E
0.01uF
2SA1530A-T112-1R
Q5000
B
R5021
C
10K
R5018
56
10uF
3:T25
C5009
TU_CVBS_IN
GND
C5022
0.1uF
16V
F
G
H
330
D3.3V
3:T25
D3.3V
IC5001
KIA78R05F
6
1
2
3
4
5
+12V
IC5002
AS7809DTRE1
L5008
MLB-201209-0120P-N2
INPUT
OUTPUT
1
3
2
GND
C5023
C5026
C5027
C5028
100uF
C5024
C5025
0.33uF
0.1uF
47uF
0.1uF
16V
100uF
16V
50V
16V
50V
16V
I
J
+5V
L5009
MLB-201209-0120P-N2
OPT
C5031
C5033
C5035
0.1uF
100uF
4.7uF
16V
16V
10V
TU_+5.0V
L5010
MLB-201209-0120P-N2
C5032
C5034
C5036
0.1uF
4.7uF
100uF
16V
16V
10V
OPT
C5029
C5030
0.1uF
0.01uF
50V
50V
BRAZIL VENUS
2009.03.23
15
15
TUNER

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