DOWNLOAD LG 39LN549C (CHASSIS:LA3AA) Service Manual ↓ Size: 3.78 MB | Pages: 36 in PDF or view online for FREE

Model
39LN549C (CHASSIS:LA3AA)
Pages
36
Size
3.78 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
39ln549c-chassis-la3aa.pdf
Date

LG 39LN549C (CHASSIS:LA3AA) 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.
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
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.
R914
10K
RJP
C907
0.01uF
RJP
C902
0.01uF
RJP
C903
1uF
25V
OPT
+12V
ZD903
5.1V
RJP
C908
22uF
16V
OPT
R906
0
RJP_PROTECTION
ZD904
5.1V
RJP
RJP_CTRL4
R912
510
RJP
C905
0.01uF
RJP
R903
5.1K
RJP_PROTECTION
R916
3.9K
RJP
C906
0.01uF
RJP
RJP_CTRL1
C901
2.2uF
16V RJP
R917
3.9K
RJP
R902
10K
RJP
R915
3.9K
RJP
ZD902
5.1V
RJP
R904
5.1K
RJP_PROTECTION
R913
510
RJP
R908
100K
RJP_PROTECTION
RJP_CTRL2
ZD901
5.1V
RJP
R919
8.2K
RJP
R905
1K
RJP_PROTECTION
R909
510
RJP
R907
0
RJP_NORMAL
ZD905
5.1V
RJP
JK901
KRJV9768-1001-024
RJP
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
RJP_CTRL3
Q901
AO3407A RJP_PROTECTION
G
D
S
L901
BLM18PG121SN1D
RJP
R901
10K
RJP
C904
0.01uF
RJP
R911
510
RJP
Q902
AO3407A RJP
G
D
S
RJP_CTRL0
R918
3.9K
RJP
R910
510
RJP
R936
10K
EXT_SPK
+3.5V_ST
L904
22.0uH
EXT_SPK
EXT_OUT_L
EXT_OUT_R
C912
1uF
50V
EXT_SPK
R922
10K
EXT_SPK
R923
4.7K
EXT_SPK
EXT_AMP_L
C917
0.22uF
50V
EXT_SPK
L902
BLM18PG121SN1D
EXT_SPK
R935
4.7K
EXT_SPK
C923
47uF
25V
EXT_SPK
+3.3V_Normal
EXT_AMP_R
R933
10K
EXT_SPK
C916
4.7uF
50V
EXT_SPK
EXT_SPK_DET
C928
1uF
10V
EXT_SPK
R934
4.7K
EXT_SPK
IC901
TPA3124D2PWPR
EXT_SPK
3
PVCCL_2
2
SD
4
MUTE
1
PVCCL_1
6
RIN
5
LIN
7
BYPASS
8
AGND_1
9
AGND_2
10
PVCCR_1
11
VCLAMP
12
PVCCR_2
13
PGNDR_1
14
PGNDR_2
15
ROUT
16
BSR
17
GAIN1
18
GAIN0
19
AVCC_1
20
AVCC_2
21
BSL
22
LOUT
23
PGNDL_1
24
PGNDL_2
C925
1uF
OPT
C918
0.22uF
50V
EXT_SPK
L905
22.0uH
EXT_SPK
C915
0.1uF
50V
EXT_SPK
R932
10K
OPT
EXT_OUT_R
SUB_AMP_MUTE
001:AC13
EXT_OUT_L
C927
1uF
10V
EXT_SPK
R931
10K
EXT_SPK
C911
1uF
50V
EXT_SPK
JK902
PEJ034-01 
EXT_SPK
6B
T_TERMINAL2
7B
B_TERMINAL2
5
T_SPRING
4
R_SPRING
3
E_SPRING
R938
100
EXT_SPK
C924
47uF
25V
EXT_SPK
C926
1uF
OPT
+24V
C914
0.1uF
50V
EXT_SPK
R930
10K
OPT
R937
10K
EXT_SPK
C913
0.1uF
50V
EXT_SPK
R939
100K
EXT_SPK
Q903
MMBT3904(NXP)
EXT_SPK
E
B
C
R924
10K
EXT_SPK
C921
0.47uF
50V
EXT_SPK
C919
0.47uF
50V
EXT_SPK
C920
0.47uF
50V
EXT_SPK
C922
0.47uF
50V
EXT_SPK
RJP / EXT AMP
9
LA2AW
2012.09.11
RJP
EXT_SPEAKER
Single ended
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.
FE_TS_DATA[4]
FE_TS_DATA[6]
FE_TS_DATA[5]
FE_TS_DATA[3]
FE_TS_DATA[7]
FE_TS_DATA[0]
FE_TS_DATA[2]
FE_TS_DATA[1]
C1017
5pF
50V
ASIA
R1003
0
NON_BR
C1009
100pF
50V
R1027
4.7K
TU_BUFFER
C1004
0.1uF
16V
NON_ASIA
FE_TS_DATA[0-7]
TU1001
TDSN_B001F
SI2176_BR_2INPUT_H
1
RF_S/W_CTL
2
RESET
3
SCL
4
SDA
5
+B1[3.3V]
6
SIF
7
+B2[1.8V]
8
CVBS
9
NC_1
10
NC_2
11
NC_3
12
+B3[3.3V]
13
+B4[1.23V]
14
NC_4
15
GND
16
ERROR
17
SYNC
18
VALID
19
MCLK
20
D0
21
D1
22
D2
23
D3
24
D4
25
D5
26
D6
27
D7
28
SHIELD
A1
A1
B1
B1
R1002
0
NON_BR
R1013
10K
FULL_NIM_BCD
L1002
FULL_NIM
+5V_Normal
R1005
10K
FULL_NIM_OPT
C1003
100pF
50V
L1003
MLB-201209-0120P-N2
R1024
0
NON_ASIA
R1022
1K
R1019
1K
R1009
1
1/16W
5%
R1023
0
NON_ASIA
IC1001
AZ1117BH-1.8TRE1
1
ADJ/GND
2
OUT
3
IN
R1032
82
C1018
0.1uF
16V
FULL_NIM
C1002
0.1uF
16V
FULL_NIM
R1030
470
TU_BUFFER
R1008
100
IF_N_MSTAR
R1011
20K
1005
FULL_NIM_BCD
R1029
220
TU_BUFFER
R1017
0
ASIA
R1010
100K
C1001
0.1uF
16V
Q1002
MMBT3906(NXP) 
TU_BUFFER
E
B
C
C1015
10uF
10V
+3.3V_TU
TU_SCL
+1.2V/+1.8V_TU
C1011
0.1uF
16V
C1012
0.1uF
16V
NON_BR
FE_TS_VAL_ERR
R1014
33
C1024
22uF
10V
R1020
3.3
ASIA
R1004
10K
FULL_NIM
C1008
10uF
6.3V
TU_SIF
C1025
0.1uF
16V
R1031
220
TU_BUFFER
+3.3V_TU
C1019
18pF
50V
TU1002-*1
TDSS-H101F 
SI2176_ATSC_1INPUT_H
5
+B1[3.3V]
11
DIF[N]
2
RESET
10
DIF[P]
4
SDA
1
NC
9
IF_AGC
8
CVBS
3
SCL
7
+B2[1.8V]
6
SIF
12
SHIELD
A1
A1
B1
B1
R1026
0
TU_NON_BUFFER
R1028
1K
OPT
R1025
0
TU_NON_BUFFER
C1021
10uF
10V
FULL_NIM
+3.3V_TU
+3.3V_TU
R1021
0
ASIA
RF_SWITCH_CTL
+1.2V/+1.8V_TU
C1020
5pF
50V
ASIA
+3.3V_TU
C1007
0.1uF
16V
R1016
3.3
ASIA
FE_TS_CLK
Q1001
MMBT3906(NXP) 
TU_BUFFER
E
B
C
R1001
0
RF_SW_OPT
C1010
0.1uF
16V
+1.23V_TU
L1001
120
FULL_NIM
R1007
100
NON_BR
R1012
11K
FULL_NIM_BCD
C1016
18pF
50V
+3.3V_Normal
IC1002
AP2132MP-2.5TRG1
FULL_NIM_BCD
3
VIN
2
EN
4
VCTRL
1
PG
5
NC
6
VOUT
7
ADJ
8
GND
9
[EP]
IF_P_MSTAR
C1005
0.1uF
16V
+3.3V_TU
TUNER_RESET
C1013
0.1uF
16V
C1026
22uF
10V
R1006
0
FULL_NIM_BCD
R1018
2K
OPT
C1027
0.1uF
16V
FE_TS_SYNC
+1.23V_TU
TU1002
TDSS-G102D
SI2176_DVB_1INPUT_H
5
+B1[3.3V]
11
DIF[N]
2
RESET
10
DIF[P]
4
SDA
1
NC
9
IF_AGC
8
CVBVS
3
SCL
7
+B2[1.8V]
6
SIF
12
SHIELD
A1
A1
B1
B1
C1006
22uF
25V
C1004-*1
0
ASIA
+3.3V_TU
TU_CVBS
TU_SDA
R1015
33
C1014
0.1uF
16V
IF_AGC_MAIN
TU1002-*2
TDSS-H101F(B)
TDSS-H101F(B)
5
+B1[3.3V]
11
DIF[N]
2
RESET
10
DIF[P]
4
SDA
1
NC_1
9
IF_AGC
8
CVBS
3
SCL
7
+B2[1.8]
6
SIF
12
SHIELD
A1
A1
B1
B1
GP4R_GLOBAL_TUNER_BLOCK
TUNER
10
LA2AW
2012.09.11
Close to the tuner
BCD Vo=0.6*(1+R1/R2)
close to the tuner pin, add,09029
close to TUNER
TJ  Vo=0.8*(1+R1/R2)
should be guarded by ground
R1
380mA
1. should be guarded by ground
2. No via on both of them
3. Signal Width >= 12mils
   Signal to Signal Width = 12mils
   Ground Width >= 24mils
add,0929
Size change,0929
R2
60mA
Pull-up can’t be applied 
because of MODEL_OPT_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.
LVDS_LARGE
11
RXA4+
C1103
10uF
16V
OPT
RXB1-
RXA3-
RXA0+
RXB3-
PANEL_VCC
RXA2+
C1101
1000pF
50V
OPT
R1108
10K
OPT
RXA0-
R1101
10K
AUO_GND
RXA0+
RXB4-
RXA1+
RXA0-
RXACK-
R1106
0
HD_GND_2pin
RXA2-
RXACK+
C1104
1000pF
50V
OPT
C1100
10uF
16V
OPT
RXA1-
P1100
FI-RE51S-HF-J-R1500 
FHD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
R1107
3.3K
OPT
+3.3V_Normal
C1105
0.1uF
16V
HD
RXA1+
RXB1+
RXB0-
RXACK-
RXA2+
P1101
FF10001-30
HD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
RXA2-
PANEL_VCC
RXA4-
RXACK+
RXB0+
RXA1-
RXA3-
C1102
0.1uF
16V
FHD
RXA3+
RXB4+
RXBCK-
RXB3+
RXA3+
RXB2+
RXB2-
RXBCK+
R1102
3.3K
OPT
R1103
10K
OPT
+3.3V_Normal
R1100
0
PSU_T120_LGD
PWM_DIM
OPC&SCANNING_CTRL
R1104
3.3K
OPT
+3.3V_Normal
R1105
10K
OPT
L1100
70-ohm
FHD
L1101
BLM18SG700TN1D
70-ohm
HD
AUO_GND/LGD_NC
LVDS_SEL
[30Pin LVDS Connector]
 (For HD 60Hz_Normal)
LVDS for large inch
[51Pin LVDS Connector]
 (For FHD 60Hz)
RXB3-
RXA4-
RXA0+
RXB4-
RXB1+
RXB1+
RXA4+
RXB3-
RXA4+
RXA2-
RXB3+
RXB2+
MIRROR
FOR FHD REVERSE(8bit)
RXA0+
RXA3-
RXB0-
RXA2+
RXACK-
RXA1+
RXA4-
RXB1+
RXB3-
RXA2+
RXB2-
RXB4+
RXB3-
RXB0+
MIRROR
RXB3+
RXB2-
RXBCK+
RXACK-
RXB3+
RXB1+
RXA1+
RXA0-
RXB2-
RXB4+
RXA2+
RXA2+
RXA4+
RXB1-
RXB0-
RXA3+
RXA0-
RXB4-
RXBCK-
RXB1-
RXA1-
RXA4-
RXA3-
RXA1+
RXA0-
RXA4-
RXB2+
RXA2-
RXB4-
RXA3-
RXACK+
RXA4+
RXB1-
RXB3+
RXA4-
RXB1-
Pol-change
Shift
RXB2-
RXA2+
RXB4+
RXACK-
RXA1-
RXB4+
RXB0+
RXB3-
RXA1-
RXA0+
RXA3-
RXBCK+
RXA0-
RXB0-
RXB1+
RXA0+
RXBCK+
RXA0-
RXBCK+
RXACK-
RXA2-
RXA4+
RXACK+
RXA2-
RXB0-
RXB1-
RXB3+
RXBCK+
RXB3-
RXB0-
RXB2+
RXB0-
RXB2-
RXA3+
RXACK-
RXB0+
RXB2+
RXA3+
RXB0+
RXA1-
RXA4-
RXB4+
RXA2-
RXA2+
RXA0+
RXB1-
RXB2-
RXA3+
RXBCK+
RXB4-
RXB2+
RXA3+
RXB4-
RXB2+
RXBCK-
RXA1-
RXA0+
Change in S7LR
RXBCK-
RXA4+
Pol-change
RXA0-
RXB3-
RXB4-
RXACK+
RXB0+
RXB4+
RXBCK-
RXACK+
RXB0+
RXA3-
RXA3+
Change in S7LR
RXBCK-
RXA3-
RXBCK-
RXACK+
RXA4-
RXB0-
RXACK-
RXA1+
RXACK-
RXB1+
RXA1-
RXA3+
RXA2-
RXB4-
RXA3-
RXA0-
RXB1-
RXBCK-
RXBCK+
RXA1+
RXB3+
RXB3+
RXA1-
RXB2-
RXB1+
RXA2-
RXB4+
RXACK+
RXA0+
RXA1+
RXA4+
FOR FHD REVERSE(10bit)
RXB2+
RXB0+
RXA1+
RXACK+
RXA2+
LVDS_SEL
SCANNING_EN
LA2AW
2012.09.11
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