Read LG 50PX950-AA (CHASSIS:PA02B) Service Manual online
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.
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.
0.1uF
16V
C521
INSTANT_BOOT
+5V_MULTI
+5V_ST
6.2K
1%
R529
0.1uF
16V
C569
AC_DET
+3.3V_USB_HUB
10uF
25V
25V
C539
100uF
16V
C548
10uF
6.3V
C500
0.1uF
16V
C544
0.1uF
16V
C552
MP2212DN
IC501
3
IN
2
GND
4
BS
1
FB
5
VCC
6
SW_1
7
SW_2
8
EN/SYNC
10uF
6.3V
READY
C517
RL_ON
5V_ON
P_+5V
P_17V
2SC3052
Q500
E
B
C
0 . 1 u F
C542
0.1uF
50V
C514
+3.3V_ST
0 . 1 u F
50V
50V
C510
33K
1%
R528
CB4532UK121E
EAM38058401
L501
MP8706EN-C247-LF-Z
IC504
3
SW_2
2
SW_1
4
BST
1
IN
5
EN/SYNC
6
FB
7
VCC
8
GND
MLB-201209-0120P-N2
0LCML00003B
L505
0 . 1 u F
C513
P_+5V
0.1uF
16V
C540
10uF
6.3V
READY
C536
0.1uF
16V
C526
10K
READY
R501
+5V_TU
10uF
6.3V
READY
C520
100
R512
100pF
50V
C507
D3.3V
CB3216PA501E
EAM44020101
L503
10K
R517
0.1uF
16V
C505
100uF
16V
C518
+5V_MULTI
NR8040T100M
10uH
L514
10K
R525
0.1uF
16V
C515
10K
R514
10uF
6.3V
C551
120-ohm
MLB-201209-0120P-N2
L515
22uF
10V
C512
100uF
16V
C504
10uF
6.3V
C525
10uF
6.3V
READY
C503
+5V_USB
ERROR_DET
100uF
16V
16V
C549
0.1uF
16V
C502
RL_ON
+5V_MULTI
0.1uF
16V
C556
MLB-201209-0120P-N2
0LCML00003B
L510
1uF
10V
C508
+5V_ST
22uF
10V
10V
C501
+5V_ST
0.1uF
16V
C509
AP2121N-3.3TRE1
EAN58801701
IC500
1
GND
2 VOUT
3
VIN
100
R503
0.1uF
16V
C554
10uF
6.3V
C506
10K
R509
+5V_ST
0.1uF
16V
C535
+5V_ST
+3.3V_MULTI
100
R504
10K
READY
R500
P_+5V
0.1uF 16V
C531
0.1uF
16V
C511
10K
READY
R511
1uF
50V
50V
C550
+3.3V_MULTI
D1.8V
CIC21J501NE
L500
P_17V
L511
1/10W
10
1%
R505
+3.3V_NEC_ST
NR8040T3R6N
3.6uH
L502
120-ohm
MLB-201209-0120P-N2
L518
100uF
16V
16V
C565
0.1uF
16V
C561
A3.3V
MLB-201209-0120P-N2
0LCML00003B
L509
A2.5V
AZ1085S-3.3TR/E1
0IPMG78341A
IC505
1
ADJ/GND
2
OUTPUT
3
INPUT
910
1%
R531
66.5
1%
R532
1K
1%
R533
AZ1085S-ADJTR/E1
0IPMG78346A
IC503
1
ADJ/GND
2
OUTPUT
3
INPUT
MLB-201209-0120P-N2
0LCML00003B
L516
MLB-201209-0120P-N2
0LCML00003B
L504
SMAW200-H18S1
P500
14
9
4
18
13
8
3
17
12
7
2
16
11
6
1
15
10
5
19
0 . 1 u F
C519
+5V_ST
22uF
16V
C553
0 . 1 u F
C522
0 . 1 u F
16V
16V
C558
INSTANT_BOOT
D1.2V
100K
R515
0 . 1 u F
C524
470K
1%
R519
22uF
16V
16V
C557
READY
1uF
10V
C528
0 . 1 u F
C532
22uF
C530
22uF
16V
16V
C534
10
R516
A1.2V
910K
1%
1%
R534
22uF
16V
16V
C523
2uH
L507
THERMAL
MP2208DL-LF-Z
IC502
3
PGND_1
2
SS
4
SW_1
1
AGND
6
NC
5
IN_1
7
BS
8
VCC
9
POK
10
IN_2
11
SW_2
12
PGND_2
13
EN/SYNC
14
FB
15
EP
10K
R537
READY
47uF
25V
C516
47
R522
22uF
10V
C562
AO4813
EBK60706901
Q501
3
S1
2
G2
4
G1
1
S2
5
D1_1
6
D1_2
7
D2_1
8
D2_2
0 . 1 u F
16V
16V
C3063
4.7
R506
CIC21J501NE
L1304
CIC21J501NE
L1305
CIC21J501NE
L1306
0 . 1 u F
50V
50V
C3064
27
R518
MLB-201209-0120P-N2
L1307
10uF
6.3V
6.3V
C566
0 . 1 u F
16V
16V
C3066
+5V_MULTI
100uF
16V
C567
JP1106
JP1107
10K
R520
3.9K
R538
READY
5.6V
D500
10uF
6.3V
6.3V
C555
120-ohm
MLB-201209-0120P-N2
L519
10K
R524
100K
R526
47uF
16V
C533
CBC3225T330KR
EAP51195601
L520
30K
1%
R530
5.6K
1%
R502
7.5K1%
R507
5 1 3
3A
C IN
4.4A
Instant Boot (5V -->BCM3556 CORE 1.2V)
FRC DDR 1.5V & Multi 5V Switch
V o u t = 0 . 8 * ( 1 + R 1 / R 2 )
V o u t = ( 1 + R 1 / R 2 ) * 0 . 8
MAX 3A
R1
CURRENT: MAX 3A
Multi Power(5V -->3.3V)
R1
BCM3556 core 2.5V
CURRENT: MAX 6A
R2
Placed on SMD-TOP
POWER Wafer 24P
3A
Placed on SMD-TOP
Multi Power(5V -->2.5V)
Instant Boot (5V -->1.8V_DDR)
POWER B/D
Stand-by (5VST --> +3.3V)
R2
V 0 = 1 . 2 5 ( 1 + R 2 / R 1 )
R1
R2
CURRENT: MAX 3A
R1
R2
V o u t = 0 . 8 * ( 1 + R 1 / R 2 )
0 8 / 1 0 / x x
SMPS POWER
BCM AUS DVR
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