LG 50PX950, Service Manual

Page: 31 / 105

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.
R4031 1M READY
C4039
0.1uF
16V
READY
DDR_VREF0
C4051
0.1uF
16V
FPGA_RESET
IC4006
AZ1085S-ADJTR/E1
1
ADJ/GND
2
OUTPUT
3
INPUT
L4008
BLM18PG121SN1D
C4057
0.1uF
16V
C4041
22uF
25V
C4034
0.1uF
16V
L4011
MLB-201209-0120P-N2
SW4001
JTP-1127WEM
FPGA_RESET
1 2
4 3
DDR_VTT
C4047
0.1uF
16V
FPGA_RESET
C4036
0.1uF
16V
1V2
3V3
/3D_FPGA_RESET
IC4007
KIA7029AF
FPGA_RESET
2
G
3
O
1
I
L4009
BLM18PG121SN1D
C4045
0.1uF
16V
R4039 4.7K
FPGA_RESET
R4032 1K
FPGA_RESET
C4052
10uF
25V
R4035
62
1V8
C4055
0.1uF
16V
R4038
220
R4029 10K
C4050
22uF
16V
C4035
10uF
16V
R4037
82
C4037
0.1uF
16V
IC4004
BD35331F-E2
3
VTTS
2
EN
4
VREF
1
GND
5
VDDQ
6
VCC
7
VTT_IN
8
VTT
C4033
0.1uF
16V
C4056
2.2uF
10V
C4032
100uF
16V
C4043
0.1uF
16V
R4030
330
FPGA_RESET
3V3
3V3
3V3
DDR_VREF1
C4038
0.1uF
16V
R4034 62
1V8
L408
3.6uH
C454
100uF
16V
R429 39K
1%
C434
0.1uF
R431
13K
1/8W
1%
C431
22uF
10V
C429
47uF
16V
C439 0.1uF
C452
0.1uF
16V
R442
47
IC402
MP8706EN-C247-LF-Z
3
SW_2
2
SW_1
4
BST
1
IN
5
EN/SYNC
6
FB
7
VCC
8
GND
C445
22uF
10V
R428 1.2K
1%
R4040 10K
L
4
0
9
M
L
B
-
2
0
1
2
0
9
-
0
1
2
0
P
-
N
2
+5V
C4040
22uF
16V
C4044
0.1uF
50V
C4049
22uF
R4042 66.5
1%
L4010
BLM18SG700TN1D
R4036
1K
1%
R4033 910
1%
IC4005
AZ1085S-ADJTR/E1
1
ADJ/GND
2
OUTPUT
3
INPUT
R4041 0 1/10W 5%
C4054
0.1uF
50V
+5V
2V5
C4060
47uF
16V
C4062
0.1uF
C4066
100uF
16V
R4045
47
C4065
0.1uF
16V
+5V
C4061
22uF
10V
C4063 0.1uF
R4046 10K IC4008
MP8706EN-C247-LF-Z
3
SW_2
2
SW_1
4
BST
1
IN
5
EN/SYNC
6
FB
7
VCC
8
GND
L4012
3.6uH
C4064
22uF
10V
R4049 5.1K
1%
R4048 0
R4047
10K
1/10W
1%
R452
47K
R451
0
R4050 0 1/10W 5%
R4051 0 1/10W 5%
R4052 0 1/10W 5%
3DTV
3DF_POWER 3 3
2010. 02. 11
R1
3A
R2
5V TO 3.3V
5V TO 2.5V
3.3V TO 1.8V
DDR VTT
R2
R1
V0 = 1.25(1+R2/R1)
R2
5V TO 1.2V
Vout=0.8*(1+R1/R2)
3A
R1
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