LG 55LW5600 (CHASSIS:LA12C) 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.
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.
0 . 1 u F
16V
16V
OPT
C717
0 . 1 u F
16V
C711
4.7K
R721
CEC_REMOTE
DDC_SCL_1
CK-_HDMI4
1uF
C708
HDMI_HPD_3
D2-_HDMI1
HDMI_RX2+
10uF
10V
10V
C706
D2-_HDMI1
D1+_HDMI1
+5V_Normal
10V
OPT
VR705
CK-_HDMI4
CK+_HDMI1
HDMI_CLK+
D0+_HDMI2
1uF
10V
10V
C710
D1+_HDMI4
HDMI_RX1-
D1-_HDMI4
D0-_HDMI2
10uF
10V
10V
C701
3.6K
OPT
R735
HDMI_RX1+
3.6K
OPT
R740
HDMI_HPD_2
1K
OPT
OPT
R728
DDC_SDA_2
RSD-105156-100
EAG62611201
JK703
14
ARC
13
CE_REMOTE
5
D1_GND
20
BODY_SHIELD
12
CK-
11
CK_GND
2
D2_GND
19
HP_DET
18
5V
10
CK+
4
D1+
1
D2+
17
GND
9
D0-
8
D0_GND
3
D2-
16
DDC_DATA
7
D0+
6
D1-
15
DDC_CLK
4.7K
R777
HDMI_CEC
5V_HDMI_4
DDC_SCL_3
CK+_HDMI3
5V_HDMI_3
D2-_HDMI4
DDC_SCL_4
HDMI_RX0+
D1+_HDMI4
D2-_HDMI2
D0-_HDMI1
DDC_SDA_3
10V
OPT
VR706
0
OPT
R727
DDC_SDA_4
6 3 . 4
R776
DDC_SDA_3
D1-_HDMI3
CK+_HDMI2
+5V_Normal
D0-_HDMI1
HDMI_CLK-
CK-_HDMI3
DDC_SCL_1
HDMI_ARC
10V
OPT
VR704
HDMI_HPD_2
D0-_HDMI4
CK-_HDMI2
0
OPT
R731
0 . 1 u F
16V
OPT
16V
OPT
C716
CK+_HDMI3
DDC_SCL_2
D1-_HDMI4
1uF
C709
D1-_HDMI2
D2+_HDMI2
HDMI_HPD_1
3.6K
OPT
R739
CEC_REMOTE
DDC_SDA_4
1K
OPT
OPT
R736
D2+_HDMI1
5V_HDMI_1
1K
OPT
OPT
R729
D2+_HDMI3
5V_HDMI_2
+3.5V_ST
D2-_HDMI4
RSD-105156-100
EAG62611201
JK701
14
NC
13
CE_REMOTE
5
D1_GND
20
BODY_SHIELD
12
CK-
11
CK_GND
2
D2_GND
19
HP_DET
18
5V
10
CK+
4
D1+
1
D2+
17
GND
9
D0-
8
D0_GND
3
D2-
16
DDC_DATA
7
D0+
6
D1-
15
DDC_CLK
D2+_HDMI2
HDMI_HPD_1
HDMI_HPD_3
D2+_HDMI4
1uF
C704
RSD-105156-100
EAG62611201
JK704
14
NC
13
CE_REMOTE
5
D1_GND
20
BODY_SHIELD
GND
12
CK-
11
CK_GND
2
D2_GND
19
HP_DET
18
5V
10
CK+
4
D1+
1
D2+
17
GND
9
D0-
8
D0_GND
3
D2-
16
DDC_DATA
7
D0+
6
D1-
15
DDC_CLK
SCL3_3.3V
D0+_HDMI2
5V_HDMI_2
D0+_HDMI3
4.7K
R715
0
R706
10
R718
CK-_HDMI1
D0-_HDMI4
+5V_Normal
DDC_SDA_2
1uF
C702
CEC_REMOTE
5V_HDMI_3
10
R712
D0-_HDMI3
D1-_HDMI1
DDC_SCL_3
D0-_HDMI2
3.6K
OPT
R730
0 . 1 u F
C730
4.7K
R724
5V_HDMI_1
DDC_SCL_4
DDC_SDA_3
10V
OPT
VR708
D0-_HDMI3
HDMI_HPD_4
DDC_SCL_1
10
R708
5V_HDMI_3
D0+_HDMI4
10uF
10V
10V
C707
CK+_HDMI1
+5V_Normal
5V_HDMI_2
CK+_HDMI4
D1-_HDMI2
4.7K
R723
D0+_HDMI4
0 . 1 u F
16V
C703
120K
R741
DDC_SDA_1
DDC_SDA_1
D2+_HDMI3
HDMI_HPD_4
D0+_HDMI1
4.7K
R720
0 . 1 u F
16V
C712
DDC_SDA_2
0 . 1 u F
16V
C713
+3.3V_HDMI
5V_HDMI_1
0 . 1 u F
16V
OPT
16V
OPT
C715
RSD-105156-100
EAG62611201
JK702
14
NC
13
CE_REMOTE
5
D1_GND
20
BODY_SHIELD
12
CK-
11
CK_GND
2
D2_GND
19
HP_DET
18
5V
10
CK+
4
D1+
1
D2+
17
GND
9
D0-
8
D0_GND
3
D2-
16
DDC_DATA
7
D0+
6
D1-
15
DDC_CLK
5V_HDMI_4
BSS83
Q710
S
B
D
G
DDC_SCL_2
D2-_HDMI3
D2+_HDMI1
CK-_HDMI3
D2-_HDMI2
1uF
C705
4.7K
R714
0 . 1 u F
16V
OPT
16V
OPT
C714
D1+_HDMI2
D2-_HDMI3
D0+_HDMI3
D1+_HDMI1
D1+_HDMI2
CK-_HDMI2
DDC_SDA_1
1K
OPT
OPT
R726
CEC_REMOTE
DDC_SDA_4
4.7K
R713
SDA3_3.3V
HDMI_RX0-
0
OPT
R737
D1+_HDMI3
D2+_HDMI4
D0+_HDMI1
+5V_Normal
DDC_SCL_2
D1+_HDMI3
10V
OPT
VR702
CK+_HDMI2
5V_HDMI_4
10
R717
D1-_HDMI1
D1-_HDMI3
DDC_SCL_3
HDMI_RX2-
0
OPT
R725
10V
OPT
VR701
10V
OPT
VR707
CK-_HDMI1
CK+_HDMI4
4.7K
R716
CEC_REMOTE
10V
OPT
VR703
DDC_SCL_4
33
R778
33
R779
33
R780
OPT
33
R781
OPT
SCL1_3.3V
SDA1_3.3V
BLM18PG121SN1D
L701
+3.3V_Normal
+3.3V_HDMI
10uF
C718
0 . 1 u F
16V
16V
C720
10uF
C719
THERMAL
SII9287B
IC701
1
R1XCN
2
R1XCP
3
R1X0N
4
R1X0P
5
R1X1N
6
R1X1P
7
R1X2N
8
R1X2P
9
VCC33_1
10
RSVD_1
11
R2XCN
12
R2XCP
13
R2X0N
14
R2X0P
15
R2X1N
16
R2X1P
17
R2X2N
18
R2X2P
19
R3XCN
20
R3XCP
21
R3X0N
22
R3X0P
23
R3X1N
24
R3X1P
25
R3X2N
26
R3X2P
27
VCC33_2
28
RSVD_2
29
DSDA0
30
DSCL0
31
CBUS_HPD0
32
R0PWR5V
33
DSDA1
34
DSCL1
35
CBUS_HPD1
36
R1PWR5V
37 MICOM_VCC33
38 SBVCC
39
DSDA2
40
DSCL2
41
CBUS_HPD2
42
R2PWR5V
43
DSDA3
44
DSCL3
45
CBUS_HPD3
46
R3PWR5V
47
DSDA4
48
DSCL4
49
R4PWR5V
50
CEC_A
51
CEC_D
52
INT
53
CSDA
54
CSCL
55
TPWR_CI2CA
56
TX2P
57
TX2N
58
TX1P
59
TX1N
60
TX0P
61
TX0N
62
TXCP
63
TXCN
64
VCC33_3
65
R0XCN
66
R0XCP
67
R0X0N
68
R0X0P
69
R0X1N
70
R0X1P
71
R0X2N
72
R0X2P
73
[EP]GND
BAT54_SUZHO
D713
27K
R754
150
R775
1/16W
1K
1%
R711
1/16W
1K
1%
R705
1/16W
1K
1%
R707
1/16W
1K
1%
1%
R703
D707
A1
C
A2
D708
A1
C
A2
D710
A1
C
A2
D711
A1
C
A2
HDMI
7
BCM35230
31
* HDMI CEC
E D I D P u l l - u p
HDMI4
D707,D708
D710,D711
D710,D711
1ST : 0DD184009AA 2ND : 0DSIH00028A
HDMI S/W OUTPUT
ARC
HDMI4
HDMI3
HDMI1
HDMI2
1ST : T-BAT54_SUZHO, 2ND : 0DSON00138A
HDMI2
D713
HDMI3
DUAL COMPONENT
HDMI1
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.
560pF
50V
50V
C804
0 . 1 u F
C814
SIDE_HP_MUTE
1uF
10V
C817
OPT
R824
OPT
R828
2.7K
R806
18pF
50V
C809
DSUB_B+
DSUB_VSYNC
2.7K
R822
RGB_DDC_SDA
TPA6132A2
EAN60724701
IC804
3
INR+
2
INL+
4
INR-
1
INL-
OUTR
5
G0
6
G1
7
HPVSS
8
CPN
9
PGND
10
CPP
11
HPVDD
12
EN
13
VDD
14
SGND
15
OUTL
16
0
R863
30V
D805
0
R803
0
IR_OUT
R838
10K
OPT
OPT
R807
2 . 2 u F
10V
10V
C825
0 . 1 u F
C812
0 . 1 u F
C815
IR_OUT
HP_ROUT_P
0
R864
BLM18PG121SN1D
120-ohm
L803
560pF
50V
50V
C805
J P 8 1 0
5.6V
OPT
D809
47pF
50V
50V
C830
KJA-PH-0-0177
JK801
3
DETECT
4
L
5
GND
1
R
22
R801
0 . 2 2 u F
10V
10V
C829
+5V_Normal
0 . 2 2 u F
10V
10V
C828
AT24C02BN-SH-T
IC802
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
AMOTECH
5.6V
ESD_COMMON
D802
1K
R821
0
OPT
R826
4.7K
R827
BCM_RX
22
R802
KJA-PH-0-0177
EAG61030001
JK803
3
DETECT
4
L
5
GND
1
R
HP_ROUT_N
BCM_TX
AMOTECH
5.6V
ESD_COMMON
D801
100
R834
HP_ROUT
10uF
10V
10V
C822
PC_L_IN
EAN41348201
MAX3232CDR
IC803
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
470K
R805
22
R848
47pF
50V
50V
C832
2 . 2 u F
10V
C826
NEC_TXD
DSUB_R+
+5V_Normal
Fiber Optic
2F11TC1-EM52-4F
JK802
C
GND
B
VCC
A
VIN
4
SHIELD
18pF
50V
C810
+3.5V_ST
4.7K
R861
OPT
4.7K
R860
OPT
1K
R844
DSUB_DET
SPDIF_OUT
0
R862
10K
R817
+3.5V_ST
0 . 1 u F
16V
C803
HP_LOUT
4.7K
R823
10K
R819
SPK_R-_HOTEL
+3.3V_Normal
J P 8 0 9
30V
OPT
OPT
D803
2.7K
R815
100
R833
0 . 1 u F
16V
C824
HP_DET
560pF
50V
50V
C801
HP_LOUT_N
DSUB_HSYNC
10K
OPT
OPT
R808
SPK_R+_HOTEL
NEC_RXD
BG2012B080TF
L804
+3.3V_Normal
RGB_DDC_SCL
PC_R_IN
SPG09-DB-009
JK805
1
2
3
4
5
6
7
8
9
10
1uF
10V
C818
HP_LOUT
2SC3052
Q801
E
B
C
1uF
10V
10V
C816
2 . 2 u F
10V
10V
C823
DSUB_G+
KDS184
D810
A2
C
A1
30V
D804
75
R813
1uF
10V
10V
C821
75
R812
HP_LOUT_P
+3.3V_Normal
2.7K
R814
0 . 1 u F
C813
470K
R804
0
R865
BG2012B080TF
L805
100K
OPT
OPT
R837
560pF
50V
50V
C802
5.6V
OPT
OPT
D811
HP_ROUT
0
OPT
R825
75
R811
+3.3V_Normal
22
R847
1uF
10V
C819
EDID_WP
74F08D
IC801
3
Q0
2
D0B
4
D1A
1
D0A
6
Q1
5
D1B
7
GND
8
Q2
9
D2A
10
D2B
11
Q3
12
D3A
13
D3B
14
VCC
SLIM-15F-D-2
JK804
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
+3.3V_Normal
4.7K
R842
1K
R820
0
OPT
R843
47pF
50V
50V
C831
22
R866
22
R867
30V
D808
ESD_COMMON
30V
D806
ESD_COMMON
30V
D807
ESD_COMMON
5.6V
D808-*1
ESD_CERADIODE
5.6V
D806-*1
ESD_CERADIODE
5.6V
D807-*1
ESD_CERADIODE
5.6V
D813-*1
ESD_CERADIODE
5.6V
D814-*1
ESD_CERADIODE
30V
D813
ESD_COMMON
30V
D814
ESD_COMMON
5.6V
D812-*1
ESD_CERADIODE
5.6V
D812
ESD_COMMON
BLM15BD121SN1
L806
BLM15BD121SN1
L807
BLM15BD121SN1
L808
0
R850
OPT
0
R851
OPT
0
R852
OPT
0
R853
OPT
22pF
50V
50V
C807
22pF
50V
50V
C808
0
R868
0
R869
DUAL COMPONENT
1ST : 0TRIY80001A, 2ND : 0TR387500AA
RS232C
58
EARPHON JACK
BCM35230
1ST : 0DD184009AA, 2ND : 0DSIH00028A
Q801
D804,D805,D806
D807,D808,D813
D807,D808,D813
D814
RGB/ PC AUDIO/ SPDIF/ EARPHONE/ RS232C
RGB PC
8
COMMON JACK
D810
1ST : EAH39491601, 2ND : EAH33945901
IC805
PC AUDIO
C l o s e t o t h e I C
SPDIF OUT
EARPHONE AMP
1ST : EAN61151201, 2ND : EAN61130001
C l o s e d t o J A C K
2 0 1 0 . 1 0 . 2 1
LPF READEY
( F o r H / P N o i s e I m p r o v e m e n t )
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.
2SC3052
WIRELESS
Q906
E
B
C
IR_OUT
2SC3052
Q902
E
B
C
AMOTECH
5.6V
D902
1000pF
50V
C905
+3.5V_ST
S/T_SCL
+3.5V_ST
+3.5V_ST
10K
COMMERCIAL_EU
R913
100
R934
+3.5V_ST
3.3K
OPT
R909
100
R935
+3.5V_ST
2SC3052
COMMERCIAL_EU
Q903
E
B
C
10K
1%
R920
KEY2
0
COMMERCIAL_US
R910
+3.5V_ST
10K
WIRELESS
R914
47K
WIRELESS
R922
22
COMMERCIAL
R906
EEPROM_SDA
0 . 1 u F
C901
CDS3C05HDMI1
5.6V
5.6V
D905
CDS3C05HDMI1
5.6V
5.6V
D903
0
OPT
R902
+3.5V_ST
100
R936
IR
LED_R/BUZZ
100
R915
2SC3052
Q901
E
B
C
EEPROM_SCL
+3.5V_ST
47K
COMMERCIAL
R917
CDS3C05HDMI1
5.6V
5.6V
D904
1.5K
R929
1.5K
R928
IR_PASS
2SC3052
COMMERCIAL
Q905
E
B
C
CDS3C05HDMI1
5.6V
5.6V
D906
100
R933
47K
R908
2SC3052
WIRELESS
Q904
E
B
C
10K
1%
R919
AMOTECH
5.6V
D901
47K
WIRELESS
R918
BLM18PG121SN1D
L902
+3.3V_Normal
AMOTECH
5.6V
D907
47K
WIRELESS
R912
47K
COMMERCIAL
R921
12507WR-15L
P901
IR_15P
1
EEPROM_SCL
2
EEPROM_SDA
3
GND
4
KEY1
5
KEY2
6
3.5V
7
GND
8
LED_B/LOGO
9
IR
10
GND
11
3.3V
12
LED_R/BUZZ
13
GND
14
S/T_SCL
16
.
15
ST_SDA
0 . 1 u F
16V
C904
OPT
BLM18PG121SN1D
L901
47K
R905
LED_B/LG_LOGO
0 . 1 u F
16V
C902
OPT
47K
R903
22
WIRELESS
R907
KEY1
+3.5V_ST
47K
COMMERCIAL_EU
R911
0 . 1 u F
C903
S/T_SDA
100
R916
100pF
50V
C911
10K
R904
12507WR-12L
IR_12P
P902
1
2
3
4
5
6
7
8
9
10
11
12
13
0 . 1 u F
16V
C912
ESD_ATSC
0 . 1 u F
16V
C913
ESD_ATSC
DUAL COMPONENT
IR & KEY
1ST : 0TRIY80001A 2ND : 0TR387500AA
50
1ST : EAH42720601, 2ND : EAH60994401
BCM35230
Q901,Q902,Q903
Q904,Q905,Q906
Q904,Q905,Q906
c l o s e t o w a f e r
9
WIRELESS
D903,D904
D905,D906
D905,D906
COMMERCIAL
IR/KEY
Z e n e r D i o d e i s
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.
1K
R1007
WIRELESS
+24V
AO3407A
Q1002
WIRELESS
G
D
S
10uF
35V
35V
WIRELESS
C1004
SDA2_3.3V
+3.3V_Normal
WIRELESS_SDA
10K
R1008
WIRELESS
MLB-201209-0120P-N2
L1001
WIRELESS
WIRELESS_DET
WIRELESS_SCL
SCL2_3.3V
IR_PASS
33
R1006
WIRELESS
CDS3C05HDMI1
5.6V
D1001
WIRELESS
KJA-PH-3-0168
JK1001
WIRELESS
14
GND_3
13
I2C_SDA
5
VCC(24V/20V/17V)_1
12
I2C_SCL
11
GND_2
2
VCC(24V/20V/17V)_2
19
GND_5
18
IR
10
RESET
4
VCC(24V/20V/17V)_4
1
VCC(24V/20V/17V)_1
17
GND_4
9
GND_1
8
INTERRUPT
3
VCC(24V/20V/17V)_3
16
UART_TX
7
DETECT
6
VCC(24V/20V/17V)_1
15
UART_RX
20
GND_6
21
SHIELD
WIRELESS_SDA
CDS3C05HDMI1
5.6V
D1002
WIRELESS
WIRELESS_SCL
22K
R1002
WIRELESS
2 . 2 u F
C1002
WIRELESS
2.2K
R1003
WIRELESS
MMBT3904(NXP)
Q1001
WIRELESS
E
B
C
WIRELESS_PWR_EN
10K
R1001
WIRELESS
33
R1005
WIRELESS
1ST : EBK61012601, 2ND : 0TRDI80002A
BCM35230
Q1002
D1001,D1002
A d d r e s s : 0 X 2 0
DUAL COMPONENT
W i r e l e s s I 2 C c o n n e c t i o n w i t h I 2 C _ 1
50
WIRELESS
1ST : EBK60752501, 2ND : EBK61011501
W i r e l e s s p o w e r
10
Q1001
1ST : EAH42720601 2ND : EAH60994401
WIRELESS READY MODEL
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