DOWNLOAD LG 32LN541C (CHASSIS:LA3AA) Service Manual ↓ Size: 5.85 MB | Pages: 34 in PDF or view online for FREE

Model
32LN541C (CHASSIS:LA3AA)
Pages
34
Size
5.85 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
32ln541c-chassis-la3aa.pdf
Date
PREV: LG 32LN540B-CN (CHASSIS:LD31B / LD36B) Service Manual

LG 32LN541C (CHASSIS:LA3AA) Service Manual ▷ View 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.
C531
390pF
50V
0.1uF
C519
50V
R502
10K
NON_LIPS
AUD_MASTER_CLK
C524
10uF
35V
R511
12
0.1uF
C540
50V
AMP_SCL
0.1uF
C520
50V
C511
10uF
10V
OPT
R504
100
R508
12
L505
10.0uH
AUD_LRCH
L501
CIS21J121
L503
10.0uH
0.1uF
C539
50V
L504
10.0uH
R509
12
SPK_R-
+24V_AMP
0.1uF
C522
50V
SPK_R+
C503
100pF
50V
AUD_LRCK
C527
22000pF
50V
R507
3.3
OPT
C526
22000pF
50V
R522
0
LIPS_ONLY
D504
100V
1N4148W
OPT
D501
100V
1N4148W
OPT
SPK_L-
C507
33pF
50V
R519
4.7K
AMP_RESET
+24V_AMP
C504
1000pF
50V
P501
WAFER-ANGLE
1
2
3
4
AUD_SCK
IC501
NTP-7500L
1
AGND_PLL
2
AVDD_PLL
3
DVDD_PLL
4
LF
5
DGND_PLL
6
GND_1
7
DGND
8
DVDD
9
SDATA
10
WCK
11
BCK
12
SDA
13
SCL
14
/FAULT
15
MONITOR0
16
MONITOR1
17
MONITOR2
18
BST2B
19
PGND2B
20
OUT2B_1
21
OUT2B_2
22
PVDD2_1
23
PVDD2_2
24
PVDD2_3
25
OUT2A_1
26
OUT2A_2
27
PGND2A
28
BST2A
29
VDR2
30
AGND
31
VCC_5
32
VDR1
33
BST1B
34
PGND1B
35
OUT1B_1
36
OUT1B_2
37
PVDD1_1
38
PVDD1_2
39
PVDD1_3
40
OUT1A_1
41
OUT1A_2
42
PGND1A
43
BST1A
44
/RESET
45
AD
46
GND_IO
47
CLK_I
48
VDD_IO
49
[EP]
0.1uF
C514
16V
R514
12
C509
33pF
50V
Q501
MMBT3904(NXP)
NON_LIPS
E
B
C
R521
10K
C510
10uF
10V
R518
4.7K
+24V_AMP
SPK_L+
R515
12
0.1uF
C501
50V
C529
1uF
25V
C523
10uF
35V
C516
1000pF
50V
L502
BLM18PG121SN1D
C515
10uF
10V
SPK_L-
C533
390pF
50V
C532
390pF
50V
L506
10.0uH
R503
100
POWER_DET
AMP_SDA
0.1uF
C521
50V
C528
1uF
25V
R512
12
R501
10K
NON_LIPS
SPK_R+
C534
1uF
25V
+3.5V_ST
C506
10uF
10V
AMP_MUTE
C518
22000pF
50V
0.1uF
C502
50V
C512
0.1uF
16V
0.1uF
C508
16V
+24V
SPK_L+
+3.3V_Normal
C505
1000pF
50V
D502
100V
1N4148W
OPT
R516
4.7K
R506
100
NON_LIPS
R517
4.7K
C530
390pF
50V
SPK_R-
0.1uF
C513
16V
C517
22000pF
50V
D503
100V
1N4148W
OPT
C535
0.47uF
50V
C536
0.47uF
50V
0.1uF
C538
50V
0.1uF
C537
50V
R505
3.3K
R520
10K
NON_LIPS
R510
12
R513
12
C525
0.01uF
50V
OPT
SPEAKER_L
SPEAKER_R
NTP-7500
Audio amp(NTP-7500)
5
LA2AW
2012.09.11
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.
IR/CONTROL
6
C608
0.1uF
16V
OPT
R603
100
+3.5V_ST
L601
BLM18PG121SN1D
R604
0
IR_OUT_US
R610
47K
IR_OUT
KEY2
R601
22
IR_OUT
R606
10K
1%
+3.5V_ST
IR
R607
10K
IR_OUT_EU
L603
BLM18PG121SN1D
R602
100
+3.5V_ST
C607
100pF
50V
C604
0.1uF
L602
BLM18PG121SN1D
+3.5V_ST
C603
0.1uF
C602
1000pF
50V
R608
10K
1%
C601
0.1uF
16V
IR_OUT
KEY1
+3.5V_ST
R611
3.3K
R605
1K
IR_OUT_EU
LED_R
R615
1.5K
VA602
5.6V
AMOTECH CO., LTD.
OPT
VA601
5.6V
AMOTECH CO., LTD.
OPT
ZD603
5.48VTO5.76V 
OPT
Q601
2SC3052
IR_OUT_EU
E
B
C
Q602
2SC3052
IR_OUT
E
B
C
R609
1K
IR_OUT
P601
12507WR-08L
1
2
3
4
5
6
7
8
9
IR/LED and control for normal models.
LA2AW
2012.09.11
Fiber Optic
F
i
b
e
r
 
O
p
t
i
c
U
S
B
 
D
O
W
N
 
S
T
R
E
A
M
USB DOWN STREAM
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.
R732
1K
RGB_PC
R707
10K
R711
100
DSUB_DET
JP708
C706
0.1uF
R710
100
C718
68pF
50V
OPT
D702
5.6V
AV_CVBS_IN
VA708
5.6V
OPT
ADMC 5M 02 200L 
AV_CVBS_DET
AV_COMP_PC_R_IN
C720
68pF
50V
OPT
C711
0.1uF
16V
+3.3V_Normal
R709
12K
VA707
5.6V
OPT
PM_TXD
D710
MMBD6100
RGB_PC
A2
C
A1
R712
1K
D705
5.6V
OPT
AV_COMP_PC_L_IN
+3.3V_Normal
+3.3V_Normal
JP709
+3.5V_ST
R702
470K
C703
0.1uF
C701
0.33uF
R703
470K
DSUB_HSYNC
C724
0.1uF
16V
NON_CI_CAP_RGB_PC
R705
1K
DSUB_B+
DSUB_VSYNC
VA705
20V
OPT
ADUC 20S 02 010L 
DSUB_G+
PM_RXD
JK701
PPJ233-01
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
C709
100pF
50V
VA703
20V
RGB_VARISTOR
ADUC 20S 02 010L 
C705
0.1uF
C721
18pF
50V
NON_CI_CAP_RGB_PC
C702
0.1uF
VA702
20V
RGB_VARISTOR
ADUC 20S 02 010L 
R723
2.2K
RGB_PC
VA704
20V
RGB_VARISTOR
ADUC 20S 02 010L 
RGB_DDC_SDA
L701
120-ohm
D704
30V
CDS3C30GTH
OPT
R704
10K
VA701
20V
OPT
ADUC 20S 02 010L 
RGB_DDC_SCL
R708
12K
R718
75
RGB_PC
R719
75
RGB_PC
R729
10K
RGB_PC
C710
220pF
50V
OPT
VA706
5.6V
OPT
R720
75
RGB_PC
R724
2.2K
RGB_PC
C713
330pF
50V
C707
0.1uF
16V
D707
50V
BAP70-02
+3.5V_ST
+5V_Normal
IC701
MAX3232CDR
EAN41348201
3
C1-
2
V+
4
C2+
1
C1+
6
V-
5
C2-
7
DOUT2
8
RIN2
9
ROUT2
10
DIN2
11
DIN1
12
ROUT1
13
RIN1
14
DOUT1
15
GND
16
VCC
JK706
SPG09-DB-009
1
2
3
4
5
6
7
8
9
10
C704
0.1uF
C712
330pF
50V
L702
120-ohm
IR_OUT
D703
5.6V
JK702-*1
JST1223-001
SPDIF-JACK-SOLTEAM
1
GND
2
VCC
3
VINPUT
4
FIX_POLE
D706
30V
CDS3C30GTH
OPT
R706
10K
DSUB_R+
JK702
2F01TC1-CLM97-4F 
SPDIF-JACK-FOXCONN
3
VIN
2
VCC
1
GND
4
S
H
I
E
L
D
D701
30V
C723
18pF
50V
NON_CI_CAP_RGB_PC
JK705
SPG09-DB-010
RGB_PC
1
RED
2
GREEN
3
BLUE
4
GND_1
5
DDC_GND
6
RED_GND
7
GREEN_GND
8
BLUE_GND
9
NC
10
SYNC_GND
11
GND_2
12
DDC_DATA
13
H_SYNC
14
V_SYNC
15
DDC_CLOCK
16
SHILED
R701
75
SPDIF_OUT
C708
47pF
50V
JP_GND1
JP_GND2
JP_GND3
JP_GND4
USB1_DM
USB2_DP
+5V_USB_2
+5V_USB_1
JK703
3AU04S-305-ZC-(LG)
1
2
3
4
5
D709
RCLAMP0502BA
OPT
JK704
3AU04S-305-ZC-(LG)
USB2
1
2
3
4
5
USB1_DP
D708
RCLAMP0502BA
OPT
USB2_DM
C719
10uF
10V
TEST
C717
10uF
10V
L703
CIS21J121
TEST
R715
47
TEST
L703-*1
MLB-201209-0120P-N2
120-ohm
R713
4.7K
OPT
+5V_Normal
+3.3V_Normal
USB2_OCD
IC702
AP2191DSG
EAN61849601
TEST
3
IN_2
2
IN_1
4
EN
1
GND
5
FLG
6
OUT_1
7
OUT_2
8
NC
R714
10K
TEST
USB2_CTL
+5V_USB_2
+5V_USB_1
C716
22uF
10V
TEST
RS232C
RGB PC
5.15 Mstar Circuit Application
SPDIF OPTIC JACK
L-MONO
Rear AV
REAR JACKS
7
LA2AW
2012.09.11
JP_GND
USB2
USB1
OCP for USB_2
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.
5V_HDMI_2
DDC_SDA_2
DDC_SCL_1
DDC_SDA_4
DDC_SDA_1
+5V_Normal
5V_DET_HDMI_2
5V_DET_HDMI_4
R813
2.7K
5V_HDMI_1
R808
10K
CEC_REMOTE_S7
5V_HDMI_4
R802
1.8K
R811
10K
R816
100
R820
2.7K
HDMI_2
R809
10K
DDC_SDA_4
HDMI_CEC
R803
1K
HPD2
5V_HDMI_2
DDC_SDA_1
+5V_Normal
HDMI_CEC
R801
1K
DDC_SCL_4
R821
10K
R823
10K
R815
1.8K
DDC_SCL_2
JK801
EAG59023302
HDMI_2_Normal
14
13
5
D1_GND
20
SHIELD
12
11
2
D2_GND
19
18
10
CK+
4
D1+
1
D2+
17
9
D0-
8
D0_GND
3
D2-
16
7
D0+
6
D1-
15
HPD4
R804
1.8K
R805
3.3K
+5V_Normal
DDC_SDA_2
HDMI_CEC
HPD1
JK802
EAG59023302
HDMI_1_Normal
14
13
5
D1_GND
20
SHIELD
12
11
2
D2_GND
19
18
10
CK+
4
D1+
1
D2+
17
9
D0-
8
D0_GND
3
D2-
16
7
D0+
6
D1-
15
HDMI_CEC
5V_DET_HDMI_1
R812
2.7K
DDC_SCL_1
5V_HDMI_4
DDC_SCL_2
R810
10K
R819
2.7K
HDMI_2
R817
3.3K
DDC_SCL_4
5V_HDMI_1
R814
1K
R806
3.3K
R827
2.7K
HDMI_SIDE
R828
2.7K
HDMI_SIDE
Q801
MMBT3904(NXP)
E
B
C
Q802
MMBT3904(NXP)
E
B
C
Q804
MMBT3904(NXP)
E
B
C
D801
MMBD6100
A
2
C
A
1
D802
MMBD6100
HDMI_2
A
2
C
A
1
D803
MMBD6100
HDMI_SIDE
A
2
C
A
1
VA803
ESD_HDMI
VA802
ESD_HDMI
VA801
ESD_HDMI
JK803-*1
51U019S-312HFN-E-R-E-LG
SIDE_HDMI_32LS3500
14
RESERVED
13
CEC
5
TMDS_DATA1_SHIELD
20
BODY_SHIELD
12
TMDS_CLK-
11
TMDS_CLK_SHIELD
2
TMDS_DATA2_SHIELD
19
HOT_PLUG_DETECT
18
VDD[+5V]
10
TMDS_CLK+
4
TMDS_DATA1+
1
TMDS_DATA2+
17
DDC/CEC_GND
9
TMDS_DATA0-
8
TMDS_DATA0_SHIELD
3
TMDS_DATA2-
16
SDA
7
TMDS_DATA0+
6
TMDS_DATA1-
15
SCL
R807
0
HDMI1_ARC
HDMI_ARC
JK801-*1
YKF45-7054V
HDMI_2_BDP_Model
14
NC
13
CEC
5
DATA1_SHIELD
20
SHIELD
12
CLK-
11
CLK_SHIELD
2
DATA2_SHIELD
19
HPD
18
+5V_POWER
10
CLK+
4
DATA1+
1
DATA2+
17
DDC/CEC_GND
9
DATA0-
8
DATA0_SHIELD
3
DATA2-
16
SDA
7
DATA0+
6
DATA1-
15
SCL
JK802-*1
YKF45-7054V
HDMI_1_BDP_Model
14
NC
13
CEC
5
DATA1_SHIELD
20
SHIELD
12
CLK-
11
CLK_SHIELD
2
DATA2_SHIELD
19
HPD
18
+5V_POWER
10
CLK+
4
DATA1+
1
DATA2+
17
DDC/CEC_GND
9
DATA0-
8
DATA0_SHIELD
3
DATA2-
16
SDA
7
DATA0+
6
DATA1-
15
SCL
JK803
EAG62611204
HDMI_SIDE
14
13
5
D1_GND
20
BODY_SHIELD
12
11
2
D2_GND
19
18
10
CK+
4
D1+
1
D2+
17
9
D0-
8
D0_GND
3
D2-
16
7
D0+
6
D1-
15
D804
RCLAMP0524PA
ESD_HDMI
1
8
2
7
3
6
4
5
9
10
D805
RCLAMP0524PA
ESD_HDMI
1
8
2
7
3
6
4
5
9
10
D1+_HDMI1
D2+_HDMI1
D2-_HDMI1
D0+_HDMI1
D0-_HDMI1
CK+_HDMI1
CK-_HDMI1
D1-_HDMI1
VA806
ESD_HDMI
VA807
ESD_HDMI
VA805
ESD_HDMI
5V_HDMI_1
5V_HDMI_1
VA804
ESD_HDMI
5V_HDMI_2
5V_HDMI_2
VA811
ESD_HDMI
VA810
ESD_HDMI
VA809
ESD_HDMI
VA808
ESD_HDMI
D806
RCLAMP0524PA
ESD_HDMI
1
8
2
7
3
6
4
5
9
10
D807
RCLAMP0524PA
ESD_HDMI
1
8
2
7
3
6
4
5
9
10
D1+_HDMI2
D2+_HDMI2
D2-_HDMI2
D0+_HDMI2
D0-_HDMI2
CK+_HDMI2
CK-_HDMI2
D1-_HDMI2
D808
RCLAMP0524PA
ESD_HDMI
1
8
2
7
3
6
4
5
9
10
D809
RCLAMP0524PA
ESD_HDMI
1
8
2
7
3
6
4
5
9
10
D1+_HDMI4
D2+_HDMI4
D2-_HDMI4
D0+_HDMI4
D0-_HDMI4
CK+_HDMI4
CK-_HDMI4
D1-_HDMI4
5V_HDMI_4
5V_HDMI_4
VA814
ESD_HDMI
VA815
ESD_HDMI
VA813
ESD_HDMI
VA812
ESD_HDMI
R822
100
R818
100
R824
100
R825
100
R826
100
R829
100
   HDMI/RJP
8
HDMI_2
For CEC
SIDE_HDMI
HDMI
HDMI_1
For BDP In-Packing Model
- EMI Gasket Touch Jack
LA2AW
2012.09.11
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