DOWNLOAD LG 32LV3500-UA / 32LV3520-UC (CHASSIS:LA01U) Service Manual ↓ Size: 9.89 MB | Pages: 54 in PDF or view online for FREE

Model
32LV3500-UA 32LV3520-UC (CHASSIS:LA01U)
Pages
54
Size
9.89 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
32lv3500-ua-32lv3520-uc-chassis-la01u.pdf
Date

LG 32LV3500-UA / 32LV3520-UC (CHASSIS:LA01U) Service Manual ▷ View 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.
WOOFER_L+
12
R5073
WOOFER
0 . 1 u F
50V
C5043
WOOFER
4.7K
R5053
WOOFER
WOOFER
22000pF
50V
C5066
WOOFER
AMP_SCL
390pF
50V
C5037
WOOFER
WOOFER
0 . 1 u F
16V
C5051
WOOFER
100pF
50V
C5062
WOOFER
1N4148W
100V
OPT
D5004
3 . 3
OPT
R5010
WOOFER_R-
1000pF
50V
C5009
WOOFER
12
R5061
WOOFER
0 . 4 7 u F
50V
C5039
WOOFER
0 . 1 u F
50V
C5061
WOOFER
WOOFER_R+
1uF
25V
C5057
WOOFER
1N4148W
100V
OPT
D5001
3.3K
R5064
WOOFER
WOOFER
WOOFER
WOOFER_R+
10uF
35V
C5050
WOOFER
BLM18PG121SN1D
L5052
WOOFER
+24V
100
R5060
WOOFER
18pF
50V
C5063
WOOFER
AUD_LRCK
22000pF
50V
C5052
WOOFER
12
R5013
WOOFER
0
OPT
R5008
0 . 4 7 u F
50V
C5040
WOOFER
12
R5052
WOOFER
10K
R5012
WOOFER
POWER_DET
+1.8V_AMP2
0 . 1 u F
16V
C5059
WOOFER
0 . 1 u F
50V
C5041
WOOFER
BLM18PG121SN1D
L5053
WOOFER
+3.3V_Normal
100
R5004
WOOFER
+3.3V_Normal
33
R5063
WOOFER
0 . 1 u F
16V
C5005
WOOFER
+1.8V_AMP2
AMP_RESET
AUD_SCK
+24V
390pF
50V
C5036
WOOFER
1N4148W
100V
OPT
D5003
100
R5070
WOOFER
AP1117E18G-13 
IC503
WOOFER
2
OUT
3
IN
1
ADJ/GND
SMAW250-05
P5050
WOOFER
1
2
3
4
5
SMD
22pF
50V
OPT
C5015
WOOFER_R-
10K
R5055
WOOFER
BLM18PG121SN1D
L5055
WOOFER
18pF
50V
C5054
WOOFER
0 . 1 u F
C5073
WOOFER
1000pF
50V
C5071
WOOFER
10uF
10V
C5072
OPT
10uF
10V
C5064
OPT
AUD_LRCH
WOOFER_L-
4.7K
R5058
WOOFER
SMD
22pF
50V
OPT
C5014
12
R5059
WOOFER
0 . 1 u F
50V
C5044
WOOFER
4.7K
R5074
WOOFER
1N4148W
100V
OPT
D5002
10uF
10V
C5058
OPT
0 . 0 1 u F
50V
OPT
C5032
390pF
50V
C5035
WOOFER
AUD_MASTER_CLK
10uF
35V
C5034
WOOFER
0 . 1 u F
50V
C5056
WOOFER
WOOFER
+1.8V_AMP2
WOOFER_L+
4.7K
R5023
WOOFER
1uF
25V
C5068
WOOFER
+1.8V_AMP2
1
R5068
WOOFER
0 . 1 u F
50V
C5033
WOOFER
10uF
10V
C5069
WOOFER
12
R5065
WOOFER
0 . 1 u F
50V
C5042
WOOFER
AMP_SDA
33
R5005
WOOFER
WOOFER_L-
2SC3052
Q5050
WOOFER
E
B
C
AMP_MUTE
12
R5071
WOOFER
1uF
25V
C5055
WOOFER
0 . 1 u F
16V
C5004
WOOFER
1/16W
10K
5%
R5077
WOOFER
+3.5V_ST
0 . 1 u F
16V
C5008
WOOFER
SMD
22pF
50V
OPT
C5065
390pF
50V
C5038
WOOFER
0 . 1 u F
50V
C5070
WOOFER
22000pF
50V
C5067
WOOFER
WOOFER
BLM18PG121SN1D
L5054
WOOFER
22000pF
50V
C5030
WOOFER
100
R5054
WOOFER
12
R5050
WOOFER
1uF
25V
C5053
WOOFER
THERMAL
NTP-7100
EAN60969603
IC502
WOOFER
1
BST1A
2
VDR1A
3
/RESET
4
AD
5
DGND_1
6
GND_IO
7
CLK_I
8
VDD_IO
9
DGND_PLL
10
AGND_PLL
11
LF
12
AVDD_PLL
13
DVDD_PLL
14
GND
15
DGND_2
16
DVDD
17
SDATA
18
WCK
19
BCK
20
SDA
21
SCL
22
MONITOR0
23
MONITOR1
24
MONITOR2
25
/FAULT
26
VDR2B
27
BST2B
28
PGND2B_1
29
PGND2B_2
30
OUT2B_1
31
OUT2B_2
32
PVDD2B_1
33
PVDD2B_2
34
PVDD2A_1
35
PVDD2A_2
36
OUT2A_1
37
OUT2A_2
38
PGND2A_1
39
PGND2A_2
40
BST2A
41
VDR2A
42
NC
43
VDR1B
44
BST1B
45
PGND1B_1
46
PGND1B_2
47
OUT1B_1
48
OUT1B_2
49
PVDD1B_1
50
PVDD1B_2
51
PVDD1A_1
52
PVDD1A_2
53
OUT1A_1
54
OUT1A_2
55
PGND1A_1
56
PGND1A_2
57
EP_PAD
NRS6045T100MMGK
10.0uH
WOOFER
L5004
NRS6045T100MMGK
10.0uH
WOOFER
L5007
NRS6045T100MMGK
10.0uH
WOOFER
L5005
NRS6045T100MMGK
10.0uH
WOOFER
L5006
1000pF
50V
C5060
WOOFER
WOOFER_L+
120 mA
WOOFER_R
Vd=1.4V
WOOFER_R-
WOOFER_L-
WOOFER_L
WOOFER_R+
WOOFER AMP
WOOFER_NTP
20101023
15
GP2R
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.
SPK_L-
AP1117E18G-13 
IC404
2
OUT
3
IN
1
ADJ/GND
1N4148W
100V
OPT
D502
100pF
50V
C504
1N4148W
100V
OPT
D503
10K
R517
+24V
0 . 1 u F
50V
C536
22000pF
50V
C518
22000pF
50V
C514
33
R506
0 . 1 u F
16V
C505
+1.8V_AMP
4.7K
R528
AUD_LRCK
22pF
50V
OPT
C544
0 . 1 u F
16V
C513
+1.8V_AMP
WAFER-ANGLE
P501
1
2
3
4
0 . 1 u F
16V
C502
4.7K
R527
0 . 1 u F
50V
C519
0 . 1 u F
16V
C446
12
R523
SPK_L+
BLM18PG121SN1D
L501
SPK_R-
12
R526
AMP_SDA
100
R505
SPK_R-
4.7K
R530
12
R522
390pF
50V
C532
AMP_SCL
AMP_MUTE
100
R504
+3.3V_Normal
1uF
25V
C512
1000pF
50V
C508
0
OPT
R513
AUD_MASTER_CLK
AMP_RESET
1
R474
SPK_R+
SPK_L-
4.7K
R529
12
R521
10uF
10V
C421
0 . 4 7 u F
50V
C535
33
R507
+3.3V_Normal
12
R525
1N4148W
100V
OPT
D504
1000pF
50V
C506
18pF
50V
C510
10uF
35V
C521
10K
R515
TP502
12
R524
3 . 3
OPT
R535
0 . 0 1 u F
50V
OPT
C547
12
R519
BLM18PG121SN1D
L504
AUD_SCK
390pF
50V
C529
0 . 1 u F
50V
C515
+24V
0 . 1 u F
50V
C537
1uF
25V
C520
+3.5V_ST
0 . 1 u F
50V
C539
0 . 1 u F
C509
10uF
35V
C528
12
R520
0 . 1 u F
50V
C526
10uF
10V
C511
OPT
22pF
50V
OPT
C545
0 . 1 u F
16V
C434
0 . 1 u F
50V
C538
SPK_L+
100
R503
390pF
50V
C531
+1.8V_AMP
100
R514
1uF
25V
C522
0 . 1 u F
50V
C527
POWER_DET
22000pF
50V
C525
2SC3052
Q501
E
B
C
1N4148W
100V
OPT
D501
10uF
10V
C503
OPT
AUD_LRCH
3.3K
R508
390pF
50V
C530
0 . 4 7 u F
50V
C534
+1.8V_AMP
SPK_R+
22pF
50V
OPT
C546
1uF
25V
C517
BLM18PG121SN1D
L502
18pF
50V
C507
10uF
10V
C501
OPT
22000pF
50V
C524
THERMAL
NTP-7100
EAN60969603
IC501
1
BST1A
2
VDR1A
3
/RESET
4
AD
5
DGND_1
6
GND_IO
7
CLK_I
8
VDD_IO
9
DGND_PLL
10
AGND_PLL
11
LF
12
AVDD_PLL
13
DVDD_PLL
14
GND
15
DGND_2
16
DVDD
17
SDATA
18
WCK
19
BCK
20
SDA
21
SCL
22
MONITOR0
23
MONITOR1
24
MONITOR2
25
/FAULT
26
VDR2B
27
BST2B
28
PGND2B_1
29
PGND2B_2
30
OUT2B_1
31
OUT2B_2
32
PVDD2B_1
33
PVDD2B_2
34
PVDD2A_1
35
PVDD2A_2
36
OUT2A_1
37
OUT2A_2
38
PGND2A_1
39
PGND2A_2
40
BST2A
41
VDR2A
42
NC
43
VDR1B
44
BST1B
45
PGND1B_1
46
PGND1B_2
47
OUT1B_1
48
OUT1B_2
49
PVDD1B_1
50
PVDD1B_2
51
PVDD1A_1
52
PVDD1A_2
53
OUT1A_1
54
OUT1A_2
55
PGND1A_1
56
PGND1A_2
57
EP_PAD
NRS6045T100MMGK
10.0uH
L506
NRS6045T100MMGK
10.0uH
L507
NRS6045T100MMGK
10.0uH
L509
NRS6045T100MMGK
10.0uH
L508
1000pF
50V
C516
120 mA
Vd=1.4V
SPEAKER_L
SPEAKER_R
AMP_NTP
20101023
16
GP2R
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.
47pF
50V
EU_OPT
C1604
DTV/MNT_L_OUT
10K
OPT
R1677
+3.5V_ST
2K
OPT
R1675
10K
R1618
10K
R1632
120-ohm
L1604
100
R4216
AV_CVBS_IN
390
EU_OPT
R1635
2.2K
EU_OPT
R1655
15K
EU_OPT
R1623
12K
R1689
REAR_AV
22
EU_OPT
R1627
470K
R1607
5.6K
EU_OPT
R1657
12K
R1636
5.6V
NON_EU
D1609
33K
EU_OPT
R1665
560
OPT
R1676
2SC3052
OPT
Q1611
E
B
C
DTV/MNT_R_OUT
REC_8
SC1/COMP1_R_IN
30V
OPT
D1618
0 . 0 1 u F
C1665
220pF
50V
OPT
C1608
P P J 2 3 3 - 0 1
JK1604
REAR_AV
4A
[YL]O-SPRING
5A
[YL]E-LUG
3A
[YL]CONTACT
4B
[WH]C-LUG
5C
[RD]E-LUG
4C
[RD]O-SPRING
3C
[RD]CONTACT
3.9K
EU_OPT
R1629
75
R1605
5.6K
EU_OPT
R1658
COMP2_Y+
30V
D1615
0 . 1 u F
16V
C1646
REAR_AV
1K
OPT
R1680
1000pF
50V
EU_OPT
C1609
470K
R1606
SC1_R+/COMP1_Pr+
BLM18PG121SN1D
EU_OPT
L1601
2SC3052
OPT
Q1613
E
B
C
DTV/MNT_R_OUT
+3.3V_Normal
P P J 2 3 4 - 0 1
JK1603
REAR_COMP2
5A
[GN]O-SPRING
6A
[GN]E-LUG
4A
[GN]CONTACT
7B
[BL]E-LUG-S
5B
[BL]O-SPRING
7C
[RD]E-LUG-S
5C
[RD]O-SPRING_1
5D
[WH]O-SPRING
4E
[RD]CONTACT
5E
[RD]O-SPRING_2
6E
[RD]E-LUG
5.6V
D1624
OPT
10K
EU_OPT
R1667
22K
R4218
4700pF
EU_OPT
C1619
330pF
50V
C1663
REAR_AV
10K
R1613
220pF
50V
OPT
C1648
30V
D1614
EU_OPT
L1606
390
R4211
EU_OPT
75
R1620
75
R1621
22K
R4217
0
COMPONENT1
R4223
SC1_B+/COMP1_Pb+
SCART1_Rout
COMP2_R_IN
180
EU_OPT
R1639
SCART1_MUTE
75
R1608
0 . 1 u F
EU_OPT
C1636
SC1_ID
10K
R1617
470K
OPT
R1662
75
EU_OPT
R1609
5.6V
D1613
OPT
P P J - 2 3 0 - 0 1
COMPONENT1
JK1601
9
[GN]G
10
[GN]GND
8
[GN]C_DET
7
[BL]B
6
[RD]R
5
[WH]L_IN
4
[RD]R_IN
11
FIX-TER
13
[RD]MONO
30V
OPT
D1603
10K
R1652
EU_OPT
BLM18PG121SN1D
EU_OPT
L1602
75
R1619
DTV/MNT_VOUT
0 . 1 u F
16V
C1607
120-ohm
L1609
REAR_AV
+3.3V_Normal
2SC3052
EU_OPT
Q1608
30V
REAR_AV
D1619
2SC3052
EU_OPT
Q1602
E
B
C
SC1/COMP1_L_IN
DTV/MNT_L_OUT
COMP2_Pr+
680
OPT
R1678
0 . 1 u F
50V
EU_OPT
C1642
SC1_G+/COMP1_Y+
1K
R1615
+12V/+15V
5.6V
OPT
D1608
1000pF
50V
C1617
OPT
30V
D1605
10uF
16V
EU_OPT
C1645
0 . 1 u F
50V
EU_OPT
C1625
COMP2_DET
470K
R1672
REAR_AV
33K
EU_OPT
R1664
4700pF
EU_OPT
C1618
10K
EU_OPT
R1668
SC1/COMP1_DET
10uF
16V
EU_OPT
C1644
0
EU_OPT
R4221
330pF
50V
C1662
REAR_AV
AV_L_IN
5.6V
NON_EU
D1607
330pF
50V
C1612
DTV/MNT_L_OUT
5.6V
OPT
D1601
COMP2_Pb+
30V
D1716
OPT
30V
OPT
D1602
+12V/+15V
47uF
16V
EU_OPT
C1621
0
EU_OPT
R4210
100uF
16V
EU_OPT
C1620
DTV/MNT_R_OUT
SC_RE1
10K
R1685
REAR_AV
AV_CVBS_DET
REC_8
470K
R1626
0 . 0 1 u F
C1664
2SC3052
EU_OPT
Q1607
ISA1530AC1
EU_OPT
Q1601
E
B
C
PSC008-01
EU_OPT
JK1602
1
AUDIO_R_OUT
2
AUDIO_R_IN
3
AUDIO_L_OUT
4
AUDIO_GND
5
B_GND
6
AUDIO_L_IN
7
B_OUT
8
ID
9
G_GND
10
D2B_IN
11
G_OUT
12
D2B_OUT
13
R_GND
14
RGB_GND
15
R_OUT
16
RGB_IO
17
SYNC_GND1
18
SYNC_GND2
19
SYNC_OUT
20
SYNC_IN
21
COM_GND
22
AV_DET
1000pF
50V
C1616
OPT
120-ohm
L1610
REAR_AV
100
R4219
47K
EU_OPT
R1641
SCART1_Lout
30V
OPT
D1610
470K
R1625
1K
R1666
REAR_AV
120-ohm
L1603
30V
D1606
5.6V
D1617
75
R1604
12K
R1630
75
EU_OPT
R1616
SC1_CVBS_IN
33pF
EU_OPT
C1655
5.6V
D1616
1000pF
50V
EU_OPT
C1610
0 . 1 u F
50V
EU_OPT
C1623
10K
R1612
SC1_SOG_IN
12K
R1631
12K
R1634
2SC3052
OPT
Q1615
E
B
C
2.2K
EU_OPT
R1656
10K
R1684
REAR_AV
12K
OPT
R1695
+3.3V_Normal
51K
OPT
R4207
1K
OPT
R1681
33pF
EU_OPT
C1654
75
EU_OPT
R1628
SC_RE2
470
EU_OPT
R1640
1K
R1614
5.6V
REAR_AV
D1626
10K
R1660
REAR_AV
330pF
50V
C1611
15K
EU_OPT
R1642
2K
EU_OPT
R1648
AV_R_IN
+12V/+15V
75
R1654
REAR_AV
470K
OPT
R1661
470K
R1671
REAR_AV
5.6V
OPT
D1611
COMP2_L_IN
10K
R1633
10K
OPT
R1687
30V
D1612
5.6V
REAR_AV
D1625
47pF
50V
C1643
REAR_AV
RT1P141C-T112
EU_OPT
Q1610
1
2
3
30V
D1604
12K
R1688
REAR_AV
2K
EU_OPT
R1650
SC1_FB
ET_RXD1
/RST-PHY
ET_CRS
ET_TX_EN
ET_TXD1
ET_MDIO
ET_RXER
ET_REF_CLK
ET_RXD0
ET_MDC
ET_TXD0
TP1610
TP1611
TP1612
TP1613
TP1614
TP1615
TP1616
TP1617
TP1618
TP1619
TP1620
SN324
I C 1 6 0 1 - * 1
EU_OPT_AUK
3
NON_INV_IN1
2
INV_IN1
4
VCC
1
OUT1
6
INV_IN2
5
NON_INV_IN2
7
OUT2
8
OUT3
9
INV_IN3
10
NON_INV_IN
11
GND
12
NON_INV_IN
13
INV_IN4
14
OUT4
AS324MTR-E1
EU_OPT_BCD
IC1601
3
IN1+
2
I N 1 -
4
VCC
1
OUT1
6
I N 2 -
5
IN2+
7
OUT2
8
OUT3
9
I N 3 -
10
IN3+
11
GND
12
IN4+
13
I N 4 -
14
OUT4
IN CASE OF SMALL= 15V
[SCART AUDIO MUTE]
CLOSE TO MSTAR
L-MONO
COMPONENT2
[SCART PIN 8]
Rg
Rf
Rear AV
Gain=1+Rf/Rg
F u l l   S c a r t /   C o m p 1
IN CASE OF SMALL= 15V
ETHERNET FOR DVB_T2
REAR_JACK
20101023
17
GP2R
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.
10K
SIDE_CVBS
R9913
KJA-PH-1-0177
SIDE_COMP
JK9902
3
M3_DETECT
4
M4
5
M5_GND
1
M1
6
M6
ADMC5M03200L_AMODIODE
5.6V
SIDE_CVBS
D9903
1K
SIDE_CVBS
R9915
30V
SIDE_COMP
D9905
10K
SIDE_CVBS
R9911
ADUC30S03010L_AMODIODE 
30V
SIDE_CVBS
D9901
COMP2_DET
BLM18PG121SN1D
SIDE_CVBS
L9901
30V
SIDE_COMP
D9907
+3.3V_Normal
COMP2_Pb+
12K
SIDE_CVBS
R9917
P P J 2 3 5 - 0 1
SIDE_AV_3HOLE
JK9903
4A
[YL]O-SPRING
5A
[YL]E-LUG
3A [YL]CONTACT
4B
[WH]O-SPRING
3C [RD]CONTACT
4C
[RD]O-SPRING
5C
[RD]E-LUG
30V
SIDE_COMP
D9906
10K
SIDE_CVBS
R9914
100pF
50V
SIDE_CVBS
C9906
SIDEAV_R_IN
470K
SIDE_CVBS
R9906
5.6V
OPT
D9908
470K
SIDE_CVBS
R9905
1K
SIDE_COMP
R9912
BLM18PG121SN1D
SIDE_CVBS
L9902
100pF
50V
SIDE_CVBS
C9905
12K
SIDE_CVBS
R9916
SIDEAV_L_IN
KJA-PH-1-0177
SIDE_AV_GENDER
JK9901
3
M3_DETECT
4
M4
5
M5_GND
1
M1
6
M6
SIDEAV_DET
75
SIDE_COMP
R9909
BLM18PG121SN1D
SIDE_CVBS
L9903
ADMC5M03200L_AMODIODE
5.6V
SIDE_CVBS
D9904
SIDEAV_CVBS_IN
ADMC5M03200L_AMODIODE
5.6V
OPT
D9902
75
SIDE_COMP
R9910
+3.3V_Normal
COMP2_Y+
75
SIDE_CVBS
R9907
75
SIDE_COMP
R9908
100pF
OPT
C9907
COMP2_Pr+
10K
SIDE_COMP
R9904
100pF
SIDE_CVBS
C9901
( N e w   I t e m   D e v e l o p m e n )
( N e w   I t e m   D e v e l o p m e n t )
SIDE CVBS PHONE JACK
SIDE COMPONENT PHONE JACK
SIDE_JACK
20101023
18
GP2R
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