DOWNLOAD LG 42LX6500-SD (CHASSIS:LJ03R) Service Manual ↓ Size: 7.52 MB | Pages: 68 in PDF or view online for FREE

Model
42LX6500-SD (CHASSIS:LJ03R)
Pages
68
Size
7.52 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
42lx6500-sd-chassis-lj03r.pdf
Date
PREV: LG 42LX6500-DD (CHASSIS:LT03R) Service Manual

LG 42LX6500-SD (CHASSIS:LJ03R) Service Manual ▷ View online

U
S
B
 
D
O
W
N
 
S
T
R
E
A
M
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.
3DIR
R6900
0
3D_IR
L6901
MLB-201209-0120P-N2
120-ohm
3D_IR
3D_SYNC_OUT
D6900
5.5V
3D_IR
C6902
10uF
10V
3D_IR
C6903
0.1uF
3D_IR
+5V_NORMAL
USB_PWRON3
C6900
100uF
16V
3D_IR
R6902
4.7K
OPT
L6900
MLB-201209-0120P-N2
120-ohm
OPT
USB_PWRFLT3
R6903
2.7K
OPT
JK6900
KJA-UB-4-0004
Outer_Emitter
1
2
3
4
5
+3.3V_NORMAL
R6901
0
OPT
IC6900
AP2191SG-13
OPT
EAN60921001
3
IN_2
2
IN_1
4
EN
1
GND
5
FLG
6
OUT_1
7
OUT_2
8
NC
SC_RE1
SC_RE2
R6904
0
OPT
R6905
0
OPT
USB_PWRFLT3
USB_PWRON3
P6900
12507WR-03L
Inner_Emitter
1
2
3
4
R6906
0
Inner_Emitter
L6902
120-ohm
Inner_Emitter
C6901
0.01uF
50V
69     100
10.01
3D IR
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.
LG5111 60Hz LVDS
SCAN_BLK1/OPC_OUT
3D_SYNC_OUT
RRXB3+/RLV1P
RRXACK-/RLV4N
RRXB3-/RLV1N
3D_SYNC_OUT
RRXB0-/RLCLKN
RRXA0+
RRXB1+
RRXA1-
RRXBCK-/RLV2N
RRXA2-/RLV5N
SDA3_3.3V
RRXB2-
R7807
0
3DTV
R7800
0
TM480Hz
OPC_EN
RRXA2+/RLV5P
V_SYNC
C7802
0.1uF
50V
TM480Hz
RRXB4-/RLV0N
RRXB2+
RRXACK+/RLV4P
C7800
10uF
25V
OPT
RRXA4-/RLV3N
R7802
0
TM480Hz
SCL3_3.3V
RRXA1+
FRC_RESET
R7803
0
TM480Hz
PANEL_VCC
SCAN_BLK2
RRXA4+/RLV3P
P7800
TF05-51S
TM480Hz
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
C7801
1000pF
50V
TM480Hz
OPC_OUT
RRXBCK+/RLV2P
RRXB1-
RRXB4+/RLV0P
RRXA0-
RRXB0+/RLCLKP
RRXA3-
RRXA3+
R7801
0
TM480Hz
L/R_SYNC
R7086
0
3DTV
SCL2_3.3V
SDA2_3.3V
R7085
0
OPT
R7084
0
OPT
R7813
0
TM480Hz
V_SYNC
SDA3_3.3V
R7812
0
TM480Hz
SCL3_3.3V
R7814
0
TM480Hz
P7802
12507WR-04L
TM480Hz
1
2
3
4
5
E_TDO
PANEL_VCC
E_TMS
R7804
12507WR-06L
3DTV
1
2
3
4
5
6
7
E_TDI
R7808
0
E_TCK
R7809
0
R7810
0
R7811
0
P7803
12507WR-04L
3DTV
1
2
3
4
5
R7087
0
P7801
3D_DIMMING
R7805
0
3D_DIM
3D_DIMMING_2
R7806
0
3D_DIM2
L7800
120-ohm
TM480Hz
L7801
120-ohm
35
[51Pin LVDS Connector]
 (For FHD 60/120Hz)
I2C_#3 Check(LG5111,LG1120,etc)
Formatter for 3DTV
GPIO31
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.
M2_SCLK
C7900
100pF
50V
OPT
R7907
3.3K
Edge
P7901
12507WR-08L
Except Edge(42/47")
1
2
3
4
5
6
7
8
9
S_CS_N
C7905
100pF
50V
OPT
C7914
100pF
50V
OPT
R_VS
M1_MOSI
M2_SCLK
+3.3V_NORMAL
P7900
12507WR-10L
IOP
1
2
3
4
5
6
7
8
9
10
11
M3_MOSI
C7913
100pF
50V
OPT
M0_MOSI
C7902
100pF
50V
OPT
C7904
100pF
50V
OPT
C7909
100pF
50V
OPT
M3_SCLK
C7912
100pF
50V
OPT
M0_SCLK
C7908
100pF
50V
OPT
L_VS
M2_MOSI
C7911
100pF
50V
OPT
C7903
100pF
50V
OPT
C7910
100pF
50V
OPT
C7907
100pF
50V
OPT
R_VS
R7908
3.3K
Edge
C7901
100pF
50V
OPT
S_MOSI
S_SCLK
C7906
100pF
50V
OPT
R7909
3.3K
Edge
M2_MOSI
M1_SCLK
R7916
22
Edge(55")
R7917
22
Edge(55")
R7901
22
Edge(55")
R7904
22
IOP
R7903
22
IOP
R7911
22
IOP
R7915
22 Edge(55")
R7918
22
IOP
R7914
22 Edge(55")
R7919
22
IOP
R7906
22
IOP
R7912
22 Edge(55")
R7910
22
IOP
R7913
22
IOP
R7905
22
IOP
R7902
22
IOP
R7900
0
Edge(55")
GP2_Saturn7M
Interface for LG5111
Ver. 1.0
72
[To MASTER LED DRIVER]
[To SLAVE LED DRIVER]
THERMAL
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.
POWER
BCM (EUROBBTV)
+5V_USB
+3.5V_ST
R8018
100
CMO
L8004
3.6uH
NR8040T3R6N
0
R8035
HD_OPC
Q8001
2SC3052
E
B
C
+12V
R8030
0
AUO
PANEL_CTL
1:AK10
C8017
0.1uF
OPT
+5V_USB
+3.3V_NORMAL
POWER_ON/OFF2_2
L8010
3.6uH
NR8040T3R6N
0
R8027
LGD_IOP
R8031 0
A_DIM_LGD
POWER_ON/OFF1
R8037
4.7K
NON_LED_MODEL
Q8003
2SC3052
E
B
C
C8020
22uF
10V
C8046
100pF
50V
OPT
+12V
P8000
FW20020-24S
NORMAL_26~52
19
14
9
4
18
13
8
3
17
12
7
2
16
11
6
1
20
15
10
5
21
22
23
24
R8003
22K
R8019
100
NON_CMO
R8054
5.6K
1%
C8016
100pF
50V
OPT
C8004
0.1uF
16V
C8015
1uF
25V
OPT
Q8000
2SC3052
E
B
C
INV_CTL
+3.5V_ST
C8018
0.1uF
50V
R8009
0
SCAN
R8055
10K
1%
C8040
2200pF
PWM_DIM
R8004
4.7K
C8047
22uF
10V
R8000
10K
0
R8020
NON_SCAN_PSU
R8008
22K
+3.3V_NORMAL
Q8002
RT1P141C-T112
1
2
3
R8074
100
0
R8021
AUO
C8007
0.1uF
+5V_NORMAL
C8021
1uF
25V
OPT
OPC_OUT
R8050
10K
R8068
100K
R8012
10K
R8023
6.8K
OPT
C8025
0.1uF
16V
R8067
14K
1%
PD_+3.5V
SCAN_BLK1/OPC_OUT
L8001
500
0
R8033
PWM_NON_OPC
R8029
0
CMO
L8003
MLB-201209-0120P-N2
C8012
1uF
25V
OPT
R8049
12K
R8039
10K
OPT
+12V
R8075
10K
OPT
C8024
68uF
35V
0
R8034
SCAN/FHD_OPC
A_DIM
R8001
47K
RL_ON
ERROR_OUT
L8005
MLB-201209-0120P-N2
+24V
R8053
47K
1%
R8013
10K
POWER_DET
C8019
100pF
50V
OPT
PANEL_VCC
+3.5V_ST
0
R8024
AUO/SHARP
+12V
R8006
22
C8014
1uF
50V
IC8007
NCP803SN293
1
GND
3
VCC
2
RESET
SCAN_BLK2
R8015
0
LD
R8017
6.2K
1%
C8000
100uF
16V
IC8000
MP8706EN-C247-LF-Z
3
SW_2
2
SW_1
4
BST
1
IN
5
EN/SYNC
6
FB
7
VCC
8
GND
C8011
0.1uF
16V
OPT
+24V
V_SYNC
R8002
10K
OPT
R8011 1.8K
C8028
10uF
25V
L8002
MLB-201209-0120P-N2
R8063
12K
1%
PD_+12V
POWER_ON/OFF2_1
C8023
0.1uF
16V
R8032
10K
C8030
10uF
25V
R8022
0
C8049
0.1uF
16V
R8010
10K
+3.5V_ST
C8006
0.1uF
16V
0
R8025
NON_LED_MODEL
+12V
R8064
5.1K
1/16W
5%
NON_PD_+3.5V
R8016
33K
1%
Q8005
2SC3052
E
B
C
C8008
0.01uF
25V
POWER_ON/OFF2_1
R8066
3.9K
OPT
L8015
3.6uH
IC8005
AOZ1024DI
1
PGND
2
VIN
3
AGND
4
FB
5
COMP
6
EN
7
LX
+12V
D3.3V
C8064
0.1uF
16V
C8063
0.1uF
16V
+3.3V_NORMAL
L8016
CIC21J501NE
R8069
27K
1%
R8070
4.7K
1%
R8071
10K
1%
POWER_ON/OFF2_2
R8036
0
400Hz_VSYNC
R8028
0
400Hz_MO_SCLK
R8005
0
400Hz_MD_MDSI
L_VS
MO_MOSI
MO_SCLK
L8000
CIC21J501NE
L8007
CIC21J501NE
L8013
CIC21J501NE
R8058
20K
R8026
1K
R8045
0
NON_ESD
C8029
22uF
16V
L8006
MLB-201209-0120P-N2
L8011
BLM18PG121SN1D
R8047
3.9K
OPT
C8045
0.1uF
16V
A1.2V
D1.2V
R8040
100K
C8027
0.1uF
+3.5V_ST
R8043
470K
1%
C8036
0.1uF
C8032
0.1uF
L8009
2uH
R8048
910K
1%
C8026
0.1uF
10
R8041
R8042
0
C8035
22uF
D1.8V
L8012
3.6uH
NR8040T3R6N
R8052
10K
0.1uF
C8050
R8051
6.8K
C8042
0.01uF
25V
+3.5V_ST
C8038
0.01uF
25V
C8031
22uF
10V
C8044
100pF
50V
OPT
R8057
10K
1%
C8048
22uF
10V
R8056
10K
1/10W
1%
C8034
0.01uF
25V
L8008
CIC21J501NE
IC8003
AOZ1072AI
3
AGND
2
VIN
4
FB
1
PGND
5
COMP
6
EN
7
LX_1
8
LX_2
R8007
0
NON_SCAN_LIPS
R8014
0
SHARP
R8076
0
400Hz_MD_MDSI/42_47_LOCAL DIMMING
M2_MOSI
R_VS
R8078
0
400Hz_VSYNC/42_47_LOCAL DIMMING
M2_SCLK
R8077
0
400Hz_MO_SCLK/42_47_LOCAL DIMMING
L_VS
R_VS
M2_SCLK
MO_SCLK
M2_MOSI
MO_MOSI
C8001
100uF
25V
C8003
0.1uF
50V
C8005
0.1uF
50V
C8009
0.1uF
50V
C8010
10uF
25V
OPT
C8022
0.1uF
50V
C8052
22uF
25V
C8051
0.1uF
50V
C8002
10uF
25V
R8081
100
R8079
100K
IC8008
NCP803SN293
1
GND
3
VCC
2
RESET
R8061
24K
1%
POWER 20V
R8061-*1
24K
1%
POWER 24V
R8062
5.1K
5%
POWER 20V
R8062-*1
4.3K
1%
POWER 24V
+3.5V_ST
R8080
14K
1%
OPT
IC8002
MP2108DQ
3
LX
2
VIN
4
PGND
1
BST
5
SGND
6
SS
7
FB
8
COMP
9
VREF
10
RUN
IC8001
MP2208DL-LF-Z
3
PGND_1
2
SS
4
SW_1
1
AGND
6
NC
5
IN_1
7
BS
8
VCC
9
POK
10
IN_2
11
SW_2
12
PGND_2
13
EN/SYNC
14
FB
15
EP
P8001
SMAW200-H24S2
SLIM_32~52
19
12V
14
GND
9
3.5V
4
24V
18
INV ON
13
GND
8
GND
3
24V
17
12V
12
3.5V
7
GND
2
24V
16
GND/V-sync
11
3.5V
6
GND
1
PWR ON
20
A.DIM
15
GND
10
3.5V
5
GND
21
12V
22
P.DIM1
23
GND/P.DIM2
24
Err OUT
25
Q8004
AO3407A
G
D
S
R8072
39K
1%
SEMTECH
0.1uF
C8062
0.1uF
C8056
OPT
R8073
18K
1%
A2.5V
L8017
500
R8059
10K
SEMTECH
+3.3V_NORMAL
L8014
500
0.1uF
C8055
C8053
10uF
16V
C8058
10uF
16V
C8061
10uF
16V
C8065
0.1uF
16V
ESD
C8039
3300pF
50V
C8041
22uF
10V
C8037
22uF
10V
C8057
22uF
10V
C8059
22uF
10V
R8082
0
400Hz_VSYNC
C8033
1uF
10V
R8060
10K
R8044
10K
R8085
0
SCAN_LIPS
R8084
0
SCAN_PSU
R8083
0
SCAN_PSU
C8067
10uF
10V
C8068
0.1uF
16V
C8054
2200pF
50V
D8000
5.6V
ESD
R8045-*1
100K
ESD
C8069
0.1uF
NON_LED_MODEL
R8061-*2
22K
1%
POWER 18.5V
R8062-*2
4.7K 1%
POWER 18.5V
C8066
10uF
16V
C8043
10uF
16V
R8046
30K
1%
R8086
10K
BCD
L8018
BCD
500
+5V_NORMAL
C8070
0.1uF
OPT
R8087
10K
BCD
IC8004
AP2132MP-2.5TRG1
BCD
3
VIN
2
EN
4
VCTRL
1
PG
5
NC
6
VOUT
7
ADJ
8
GND
9
[EP]
IC8004-*1
SC4215ISTRT
SEMTECH
3
VIN
2
EN
4
NC_2
1
NC_1
5
NC_3
6
VO
7
ADJ
8
GND
R8073-*1
4.7K
1%
BCD
R8072-*1
15K
1%
BCD
C8013
10uF
25V
15
<OS MODULE PIN MAP>
PIN No
INV_ON
Vout=(1+R1/R2)*0.8
+5V_NORMAL
R2
3A
ST_3.5V-->3.5V
INV_ON
Vout=0.8*(1+R1/R2)
INV_ON
INV_ON
+5V_USB
Err_out
20V-->3.5V
Power_DET
15V-->3.6V
PANEL_POWER
22
NC
2A
PWM_DIM
R1
24V-->3.48V
FROM LIPS & POWER B/D
AUO
R2
18
V4:VBR-A
V5:NC
SHARP
Err_out
CMO(09)
PWM_DIM
PWM_DIM
PWM_DIM
GND
20
MAX 350mA
A-DIM
R1
MAX 1500mA
A-DIM
Err_out
24
Max 1100 mA
12V-->3.58V
LGD
+3.3V_NORMAL
MAX 3.1A
MAX 2.3A
Vout=0.8*(1+R1/R2)
R1
R2
BCM core 1.2V volt
Placed on SMD-TOP
Vout=0.9*(1+R1/R2)
Replaced Part
R1
C IN
3A
Placed on SMD-TOP
R2
BCM DDR 1.8V
R2
A2.5V
R1
not to RESET at 8kV ESD
SEMTEK:Vout=0.8*(1+R1/R2)
BCD:Vout=0.6*(1+R1/R2)
BCD VOUT : 2.514V
SEMTEK VOUT : 2.533V
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