Read LG 50PK980-ZA (CHASSIS:PD02C) Service Manual online
THERMAL
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.
SMPS POWER
10/01/
BCM3556-C0
INSTANT_BOOT
+5V_MULTI
R521
0
READY
L513
MLB-201209-0120P-N2
0LCML00003B
+5V_ST
C543
10uF
6.3V
AC_DET
+3.3V_USB_HUB
C546
0.1uF
16V
C548
100uF
16V
C565
10uF
16V
C500
10uF
6.3V
C552
0.1uF
16V
IC501
MP2212DN
3
IN
2
GND
4
BS
1
FB
5
VCC
6
SW_1
7
SW_2
8
EN/SYNC
C517
10uF
6.3V
READY
RL_ON
5V_ON
P_+5V
P_17V
Q500
2SC3052
E
B
C
C514
0.1uF
50V
+3.3V_ST
C510
0.1uF
50V
L501
CB4532UK121E
EAM38058401
L505
MLB-201209-0120P-N2
0LCML00003B
0.1uF
C513
P_+5V
C540
0.1uF
16V
C526
0.1uF
16V
R501
10K
READY
R512
100
C507
100pF
50V
D3.3V
L503
CB3216PA501E
EAM44020101
R517
10K
C505
0.1uF
16V
C518
100uF
16V
+5V_MULTI
C515
0.1uF
16V
R514
10K
C551
10uF
6.3V
READY
L515
120-ohm
MLB-201209-0120P-N2
C512
22uF
22uF
10V
C504
100uF
16V
C525
10uF
6.3V
C503
10uF
6.3V
READY
+5V_USB
ERROR_DET
C549
100uF
16V
16V
C502
0.1uF
16V
RL_ON
+5V_MULTI
C556
0.1uF
16V
L510
MLB-201209-0120P-N2
0LCML00003B
C508
1uF
10V
+5V_ST
C501
22uF
22uF
10V
+5V_ST
C509
0.1uF
16V
IC500
AP2121N-3.3TRE1
EAN58801701
1
GND
2 VOUT
3
VIN
R503
100
C554
0.1uF
16V
C506
10uF
6.3V
R509
10K
+5V_ST
C535
0.1uF
16V
+5V_ST
+3.3V_MULTI
R504
100
R500
10K
READY
P_+5V
C531 0.1uF 16V
C511
0.1uF
16V
R511
10K
READY
+5V_CI
+3.3V_MULTI
D1.8V
L500
CIC21J501NE
R505
10
1/10W
1%
+3.3V_NEC_ST
L502
3.6uH
NR8040T3R6N
C555
100uF
16V
16V
L518
120-ohm
MLB-201209-0120P-N2
C566
100uF
16V
16V
C561
0.1uF
16V
A3.3V
L509
MLB-201209-0120P-N2
0LCML00003B
A2.5V
IC505
AZ1085S-3.3TR/E1
0IPMG78341A
1
ADJ/GND
2
OUTPUT
3
INPUT
R531
910
1%
R532
66.5
1%
R533
1K
1K
1%
IC503
AZ1085S-ADJTR/E1
0IPMG78346A
1
ADJ/GND
2
OUTPUT
3
INPUT
L516
MLB-201209-0120P-N2
0LCML00003B
L504
MLB-201209-0120P-N2
0LCML00003B
P500
SMAW200-H18S1
SMAW200-H18S1
14
9
4
18
13
8
3
17
12
7
2
16
11
6
1
15
10
5
19
D1.2V
C524
0.1uF
0.1uF
C530
22uF
22uF
C557
22uF
16V
16V
L507
2uH
R519
470K
1%
10
R516
C532
0.1uF
0.1uF
C523
22uF
16V
16V
A1.2V
C534
22uF
16V
16V
C528
1uF
10V
C553
22uF
22uF
16V
C558
0.1uF
16V
0.1uF
16V
C522
0.1uF
0.1uF
C519
0.1uF
0.1uF
L506
BLM18PG121SN1D
INSTANT_BOOT
+5V_ST
R534
910K
1%
R515
100K
C533
47uF
16V
R537
10K
READY
IC502
MP2208DL-LF-Z
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
L520
MLB-201209-0120P-N2
0LCML00003B
R525
10K
P_17V
R529
6.2K
1%
C542
0.1uF
L514
10uH
10uH
NR8040T100M
L511
+5V_TU
C550
1uF
50V
1uF
50V
C569
0.1uF
16V
R528
33K
1%
C539
10uF
25V
10uF
25V
C560
47uF
16V
IC504
MP8706EN-C247-LF-Z
3
SW_2
2
SW_1
4
BST
1
IN
5
EN/SYNC
6
FB
7
VCC
8
GND
C567
22uF
10V
C562
22uF
10V
C516
47uF
25V
25V
+5V_MULTI
R522
47
R518
22
22
C520
47uF
25V
25V
Q501
AO4813
EBK60706901
3
S1
2
G2
4
G1
1
S2
5
D1_1
6
D1_2
7
D2_1
8
D2_2
R506
27
L508
BLM18PG121SN1D
R520
10K
R508
3.9K
READY
D500
5.6V
L517
L519
120-ohm
MLB-201209-0120P-N2
R530
30K
1%
R524
10K
10K
R526
100K
R507
7.5K 1%
R502
5.6K
5.6K
1/16W
1%
5 13
3A
C IN
4.4A
Instant Boot (5V -->BCM3556 CORE 1.2V)
FRC DDR 1.5V & Multi 5V Switch
Vout=0.8*(1+R1/R2)
MAX 3A
R1
CURRENT: MAX 3A
Multi Power(5V -->3.3V)
BCM3556 CORE 2.5V
CURRENT: MAX 6A
R2
Placed on SMD-TOP
POWER Wafer 24P
Placed on SMD-TOP
Instant Boot (5V -->1.8V_DDR)
POWER B/D
Stand-by (5VST --> +3.3V_ST)
V0 = 1.25(1+R2/R1)
R1
R2
CURRENT: MAX 3A
R2
R1
Vout=0.8*(1+R1/R2)
TUNER 5V
3A
R1
R2
Vout=(1+R1/R2)*0.8
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