Read LG 52LG7500-ZB (CHASSIS:LD86F) 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.
L504
10uH
L502
HH-1M3216-501
IC511
SC2595STR
3
V_SENSE
2
GND
4
VREF
1
NC
5
VDDQ
6
AVCC
7
PVCC
8
VTT
IC510
SC2595STR
3
V_SENSE
2
GND
4
VREF
1
NC
5
VDDQ
6
AVCC
7
PVCC
8
VTT
C569
1000pF
R560
12K
R559
15K
1%
L500
HH-1M3216-501
CI_EN
GND
5.0V_CI
GND
GND
GND
GND
+3.3V
1.8V_HDMI
C597
100uF
16V
L507
HH-1M3216-501
V_DDR_VTT
V_DDR_VREF
DDR_VREF
DDR_VTT
+2.6V_V_DDR
+2.6V_VIDEO
+2.6V_SYS
+3.3V
+1.0V_STi7100
+3.3V
+2.6V_DDR
+2.6V_V_DDR
+2.6V_STi7100
+2.6V_SATA
+1.0V_SATA
1.8V_AMP
C596
100uF
16V
C525
0.1uF
C520
0.1uF
C516 0.1uF
C561
0.1uF
0.1uF
C594
C521
0.1uF
0.1uF
C595
C573
0.1uF
C545
0.1uF
C553
0.01uF
C571
0.01uF
C555
0.01uF
C568
0.01uF
+2.6V_SYS
+2.6V_VIDEO
C562
220uF
16V
C574
220uF
16V
+2.6V_DDR
C598
0.1uF
R562
10
C599
1000pF
50V
R570
10K
R571
91K
OPT
R572
82.5K
1/10W
1%
+3.3V
R576
10K
C536
0.1uF
16V
C538
0.1uF
16V
GND
C582
0.1uF
16V
C584
0.1uF
16V
R561
10K
+3.3V
GND
IC515
SC4215ISTRT
3
VIN
2
EN
4
NC_2
1
NC_1
5
NC_3
6
VO
7
ADJ
8
GND
IC516
SC4215ISTRT
3
VIN
2
EN
4
NC_2
1
NC_1
5
NC_3
6
VO
7
ADJ
8
GND
IC502
SC4215ISTRT
3
VIN
2
EN
4
NC_2
1
NC_1
5
NC_3
6
VO
7
ADJ
8
GND
GND
GND
GND
C572
330uF 4V
C560
330uF
4V
C522
100uF
16V
TP508
TP510
TP511
TP513
TP514
TP515
TP516
TP517
TP518
TP519
TP520
TP521
TP522
TP523
TP524
TP525
TP526
TP527
TP530
TP531
TP534
TP535
TP536
TP537
TP538
TP539
C539
100uF 16V
C580
330uF
4V
C566
330uF
4V
C583
100uF
16V
C523
100uF
16V
C537
100uF
16V
R575
47K
R565
47K
L508
HB-1M1608-501JT
R569
1.21K
1%
R574
105K
R577
105K
R563
1K
R573
1K
C558 100uF 16V
GND
R558
4.7K
1/10W
1%
IC513
BD9132MUV
1
SW_1
3
SW_3
7
PVCC_2
9
BST
10
VCC
11
GND
12
ADJ
13
ITH
14
NC_1
15
NC_2
16
NC_3
17
EN
18
PGND_1
19
PGND_2
20
PGND_3
5
SW_5
8
PVCC_3
6
PVCC_1
4
SW_4
2
SW_2
C510 0.1uF
GND
C511 0.1uF
GND
IC500
AZ1117H-1.8TRE1(EH13A)
2
OUTPUT
3
INPUT
1
ADJ/GND
R501
13K
1%
C517 100uF 16V
C509 0.1uF 16V
C549 100uF 16V
GND
L510 15uH
GND
C528 100uF 16V
D500
40V
MBRS340
GND
C502
0.01uF
+8V_MSP4450
C503 0.01uF
C501 1000pF 50V
GND
GND
IC505
KIA78R33F
1
VIN
2
VC
3
VOUT
4
NC
5
GND1
6
GND2
IC501
AZ1117H-1.8TRE1(EH13A)
2
OUTPUT
3
INPUT
1
ADJ/GND
GND
TUNER_3.3V_ON
R504
120K
C505 100uF 16V
TP506
GND
1.8V_TUNER
IC504
MP2355DN-LF-Z
3
VIN
2
BST
4
LX
1
SS
5
GND
6
FB
7
COMP
8
RUN
GND
C532 0.1uF
C551 0.1uF 16V
GND
C530 0.1uF
C524 0.1uF 16V
C507 100uF 16V
GND
GND
C508 0.1uF 16V
GND
GND
TP502
C506 100uF 16V
C550 0.1uF 16V
GND
5.0V
3.3V_TUNER
GND
C526 100uF 16V
+5VST_1
R578
100
GND
GND
GND
C518 0.1uF 16V
R502
22K
1%
+3.3V
GND
+5VST_3
Q502
G
D
S
TP509
R567
4.7K
Q504
2SC3875S
E
B
C
GND
+5VST_3
R564
1K
C542
0.1uF
Q503
2SC3875S
E
B
C
TP507
R557
4.7K
GND
R566
1K
5.0V_MSP
C543
0.1uF
Q501
G
D
S
TP540
L505
HH-1M3216-501
C544
0.1uF
GND
IC506
KIA78R05F
1
VIN
2
VC
3
VOUT
4
NC
5
GND1
6
GND2
R579
100
TUNER_3.3V_ON
GND
GND
GND
+5VST_3
C591 220uF 16V
TUNER_3.3V_ON
L501
UBW2012-121F
L503
UBW2012-121F
+3.3V
GND
R505
4.7K
TP541
Q507
G
D
S
TP542
R507
1K
C512
0.1uF
Q508
2SC3875S
E
B
C
GND
C513
0.1uF
3.3V_ON
R503
10K
1/10W
5%
+1.1V_STi_ON
R584
10K
1/10W
5%
R585
10K
1/10W
5%
READY
C592
1000pF
50V
READY
R582
33K
R583
33K
+3.3V
Q506 2SC3875S
E
B
C
+2.5V_STi_ON
+3.3V
R581
10K
Q505 2SC3875S
E
B
C
R580
10K
+2.5V_STi_ON_REG
+2.5V_STi_ON
+2.5V_STi_ON_REG
+2.5V_STi_ON_REG
RL_ON/PWR_ONOFF_2
R586
100
1/10W
5%
+3.3V_STi
L509
HH-1M3216-501
C514
100uF 16V
C515 0.1uF
R556
0
R506
0
R568
0
C504
22uF
16V
C519
22uF
16V
C535
22uF
16V
C575
22uF
16V
C579
22uF
16V
C581
22uF
16V
C593
22uF
16V
TP544
TP545
TP546
TP547
TP548
TP549
TP550
TP551
TP552
TP553
TP554
TP555
TP556
TP557
TP558
TP559
TP560
TP561
TP562
TP563
TP564
TP565
TP566
TP567
TP568
TP569
TP570
TP571
TP572
TP573
TP574
TP575
TP576
TP577
TP578
TP579
TP580
TP581
TP582
TP583
TP584
TP585
TP586
TP587
TP588
TP589
TP590
TP591
TP592
TP593
TP594
TP595
TP596
TP597
TP598
TP599
TP70
TP55
TP51
TP52
TP53
TP54
TP83
TP56
TP57
TP58
TP59
TP60
TP61
TP62
TP63
TP64
TP65
TP66
TP67
TP68
TP69
TP501
TP71
TP72
TP73
TP74
TP75
TP76
TP77
TP78
TP79
TP80
TP81
TP84
TP82
TP86
TP505
TP49
TP48
TP47
TP46
TP45
TP44
TP43
TP42
TP41
TP40
TP39
TP38
TP37
TP36
TP35
TP34
TP33
TP31
TP30
TP99
TP98
TP97
TP96
TP95
TP94
TP93
TP92
TP91
TP90
TP89
TP88
TP87
TP543
TP85
TP504
TP503
TP29
TP28
STi7109_Ext Core 2.5V
ST7019_Ext core 1.13volt
5. POWER BLOCK
Over current protection can be operated
1.8V for HDMI
3.3 volt for HDMI
5.0V For only C.I.
Vcc filter for Soft start
TUNER 3.3/1.8 volt
5.0 volt
3.3 volt
C
2008
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