Read LG 50PZ570B-SB (CHASSIS:PB12A) Service Manual online
THERMAL
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.
+2.5V_BCM35230
+5V_Normal
L514
BLM18PG121SN1D
+5V_USB
L513
BLM18PG121SN1D
C527
33uF
25V
MOD_ON
C514
0.1uF
16V
R515
100
P500
SMAW200-H18S1
SMAW200-H18S1
14
9
4
18
13
8
3
17
12
7
2
16
11
6
1
15
10
5
19
R517
100
C528
10uF
6.3V
OPT
C521
0.1uF
16V
RL_ON
R514
100
L501
CB4532UK121E
EAM38058401
PSU_ERR_DET
C508
10uF
6.3V
OPT
+5V_ST
C526
0.1uF
50V
R512
10K
OPT
P_+5V
P_17V
R516
0
L504
MLB-201209-0120P-N2
0LCML00003B
R518
10K
OPT
AC_DET
+5V_ST
L503
MLB-201209-0120P-N2
0LCML00003B
R513
10K
OPT
C520
0.1uF
16V
C534
0.1uF
16V
IC503
AP2121N-3.3TRE1
EAN58801701
1
GND
2 VOUT
3
VIN
+5V_ST
+3.3V_ST
C541
0.1uF
16V
C535
10uF
6.3V
L507
CB3216PA501E
EAM44020101
P_+5V
R519
910
1%
R521
1K
1K
1%
C536
10uF
6.3V
C532
0.1uF
16V
C530
10uF
6.3V
OPT
R520
66.5
1%
L508
MLB-201209-0120P-N2
0LCML00003B
IC502
AZ1085S-ADJTR/E1
1
ADJ/GND
2
OUTPUT
3
INPUT
C537
0.1uF
16V
P_+5V
C539
100uF
16V
OPT
P_17V
+5V_TU
+3.3V_Normal
C552
0.015uF
50V
C559
10uF
10V
R527
3.6K
C561
10uF
10V
OPT
C547
4.7uF
50V
R526
16K
C549
0.01uF
50V
D500
40V
MBRA340T3G
C545
4.7uF
50V
C556
10uF
10V
C551
0.1uF
50V
C565
0.1uF
16V
C566
100uF
16V
16V
C564
22uF
10V
22uF
10V
R538
0
0
1/10W
5%
5%
R539
330
330
1/10W
1%
1%
R537
110
1/10W
1%
R532
1.2K
1%
R529 0
R530
27K
1%
C558
47pF
50V
R531
10K
1%
1%
R533
75
IC500
TPS54231D
3
EN
2
VIN
4
SS
1
BOOT
5
VSENSE
6
COMP
7
GND
8
PH
C555
820pF
50V
C531
47uF
16V
C582
22uF
16V
16V
R552
13K
C590
22uF
22uF
16V
OPT
C586
0.01uF
C588
22uF
22uF
16V
R553
330K
C585
3300pF
3300pF
50V
C589
22uF
22uF
16V
C587
0.1uF
50V
0.1uF
50V
R551
0
0
L519
3.6uH
R554
22
22
C584
0.1uF
16V
OPT
C583
0.1uF
0.1uF
50V
L518
MLB-201209-0120P-N2
+3.3V_Normal
C592
0.1uF
16V
0.1uF
16V
POWER_ON/OFF2_2
P_+5V
R523
0
0
1/10W
5%
5%
C510
0.1uF
16V
16V
C509
22uF
10V
22uF
10V
3V3
C516
0.1uF
16V
+1.5V_DDR
C503
10uF
10V
10uF
10V
IC504
AZ1085S-ADJTR/E1
1
ADJ/GND
2
OUTPUT
3
INPUT
C505
22uF
10V
10V
R541
0
R534
150
1%
R535
75
1%
R536
1K
1%
R550
2K
C523
10uF
6.3V
10uF
6.3V
R546
2K
1%
L502
MLB-201209-0120P-N2
C515
1000pF
50V
R547
10K
1%
C519
10uF
6.3V
10uF
6.3V
OPT
R543
16K
C522
10uF
6.3V
6.3V
OPT
C513
0.1uF
16V
OPT
C506
10uF
16V
10uF
16V
C507
10uF
16V
10uF
16V
L505
2uH
C511
0.1uF
50V
0.1uF
50V
OPT
C517
10uF
6.3V
10uF
6.3V
R544
10K
C525
3300pF
50V
OPT
R540
4.7K
OPT
+0.9V_CORE
C524
10uF
6.3V
6.3V
C518
10uF
6.3V
10uF
6.3V
R545
0
5%
R542 0
P_+5V
POWER_ON/OFF2_2
C533
100uF
16V
16V
L511
22.0uH
IC506
AZ1117BH-ADJTRE1
2
OUTPUT
3
INPUT
1
ADJ/GND
C529
100uF
16V
C542
100uF
16V
C544
100uF
16V
C512
100uF
16V
+5V_Normal
R524
0
IC505
SN1007054RTER
1
VIN_1
3
GND_1
7
COMP
9
SS
10
PH_1
11
PH_2
12
PH_3
13
BOOT
14
PWRGD
15
EN
16
VIN_3
5
AGND
8
RT/CLK
6
VSENSE
4
GND_2
2
VIN_2
17
EP[GND]
C591
100pF
50V
100pF
50V
R555
51K
1%
R556
16K
1%
IC501
AOZ1038PI
3
AGND
2
VIN
4
FB
1
PGND
5
COMP
6
EN
7
NC_1
8
NC_2
9
[EP]LX
+0.9V_CORE_BCM35230(AOZ1038PI)
POWER
5
BCM35230
MAX 1A
MAX 1.9A
31
CURRENT: MAX 3A
CURRENT: MAX 6A
CURRENT: MAX 3A
Stand-by (5VST --> +3.3V)
R2
V0 = 1.25(1+R2/R1)
R1
Max 960 mA
+2.5V_BCM35230
R1
+5V_TU
R2
2A
+3.3V_NORMAL
+7V
6ms
+3.3V_NORMAL
R1
Vout=Vref*(1+R1/R2)|Vref=3.35V
R2
*MUST BE OPTIMAZE COMP (10.08.16)
+1.5V_DDR
V0 = 1.25(1+R2/R1)
R2
R1
R2
MAX 4000 mA
Switching freq: 555K
Placed on SMD-TOP
5A
R1
*NOTE 17
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