Read LG 47LX6500-DD (CHASSIS:LT03R) Service Manual 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.
+3.5V_ST
100
CMO
R8018
NR8040T3R6N
3.6uH
L8004
0
HD_OPC
R8035
2SC3052
Q8001
E
B
C
+12V
0
AUO R8030
PANEL_CTL
1:AK10
0 . 1 u F
OPT
OPT
C8017
+5V_USB
+3.3V_NORMAL
POWER_ON/OFF2_2
NR8040T3R6N
3.6uH
L8010
0
LGD_IOP
R8027
0
A_DIM_LGD
R8031
POWER_ON/OFF1
4.7K
R8037
NON_LED_MODEL
2SC3052
Q8003
E
B
C
22uF
10V
10V
C8020
100pF
50V
OPT
C8046
+12V
FW20020-24S
NORMAL_26~52
P8000
19
14
9
4
18
13
8
3
17
12
7
2
16
11
6
1
20
15
10
5
21
22
23
24
22K
R8003
100
NON_CMO
R8019
5.6K
1%
R8054
100pF
50V
OPT
C8016
0 . 1 u F
16V
16V
C8004
1uF
25V
25V
C8015
OPT
2SC3052
Q8000
E
B
C
INV_CTL
+3.5V_ST
0 . 1 u F
50V
C8018
0
SCAN
R8009
10K
1%
R8055
2200pF
C8040
PWM_DIM
4.7K
R8004
22uF
10V
10V
C8047
10K
R8000
0
NON_SCAN_PSU
R8020
22K
R8008
+3.3V_NORMAL
RT1P141C-T112
Q8002
1
2
3
100
R8074
0
AUO
R8021
0 . 1 u F
C8007
+5V_NORMAL
1uF
25V
25V
OPT
C8021
OPC_OUT
10K
R8050
100K
R8068
10K
R8012
6.8K
OPT
R8023
0 . 1 u F
16V
16V
C8025
14K
1%
PD_+3.5V
R8067
SCAN_BLK1/OPC_OUT
500
L8001
0
PWM_NON_OPC
R8033
0
CMO
R8029
MLB-201209-0120P-N2
L8003
1uF
25V
OPT
C8012
12K
R8049
10K
OPT
OPT
R8039
+12V
10K
OPT
R8075
68uF
35V
C8024
0
SCAN/FHD_OPC
R8034
A_DIM
47K
R8001
RL_ON
ERROR_OUT
MLB-201209-0120P-N2
L8005
+24V
47K
1%
R8053
10K
R8013
POWER_DET
100pF
50V
OPT
C8019
PANEL_VCC
+3.5V_ST
0
AUO/SHARP
R8024
+12V
22
R8006
1uF
50V
50V
C8014
NCP803SN293
IC8007
1
GND
3
VCC
2
RESET
SCAN_BLK2
0
LD
R8015
6.2K
1%
R8017
100uF
16V
C8000
MP8706EN-C247-LF-Z
IC8000
3
SW_2
2
SW_1
4
BST
1
IN
5
EN/SYNC
6
FB
7
VCC
8
GND
0.1uF
16V
OPT
C8011
+24V
V_SYNC
10K
OPT
R8002
R8002
1.8K
R8011
10uF
25V
25V
C8028
MLB-201209-0120P-N2
L8002
12K
1%
PD_+12V
R8063
POWER_ON/OFF2_1
0 . 1 u F
16V
16V
C8023
10K
R8032
10uF
25V
25V
C8030
0
R8022
0 . 1 u F
16V
16V
C8049
10K
R8010
+3.5V_ST
0 . 1 u F
16V
16V
C8006
0
NON_LED_MODEL
R8025
+12V
1/16W
5.1K
5%
NON_PD_+3.5V
R8064
33K
1%
R8016
2SC3052
Q8005
E
B
C
0 . 0 1 u F
25V
C8008
POWER_ON/OFF2_1
3.9K
R8066
OPT
3.6uH
L8015
AOZ1024DI
IC8005
1
PGND
2
VIN
3
AGND
4
FB
5
COMP
6
EN
7
LX
+12V
D3.3V
0 . 1 u F
16V
16V
C8064
0 . 1 u F
16V
16V
C8063
+3.3V_NORMAL
CIC21J501NE
L8016
27K
1%
R8069
4.7K
1%
R8070
10K
1%
R8071
POWER_ON/OFF2_2
0
400Hz_VSYNC
R8036
0
400Hz_MO_SCLK
R8028
0
400Hz_MD_MDSI
R8005
L_VS
MO_MOSI
MO_SCLK
CIC21J501NE
L8000
CIC21J501NE
L8007
CIC21J501NE
L8013
20K
R8058
1K
R8026
0
R8045
NON_ESD
22uF
16V
16V
C8029
MLB-201209-0120P-N2
L8006
BLM18PG121SN1D
L8011
3.9K
R8047
OPT
0 . 1 u F
16V
16V
C8045
A1.2V
D1.2V
100K
R8040
0 . 1 u F
C8027
+3.5V_ST
470K
1%
R8043
0 . 1 u F
C8036
0 . 1 u F
C8032
2uH
L8009
910K
1%
1%
R8048
0 . 1 u F
C8026
10
R8041
0
R8042
22uF
C8035
D1.8V
NR8040T3R6N
3.6uH
L8012
10K
R8052
0 . 1 u F
C8050
6.8K
R8051
0 . 0 1 u F
25V
25V
C8042
+3.5V_ST
0 . 0 1 u F
25V
25V
C8038
22uF
10V
10V
C8031
100pF
50V
OPT
C8044
10K
1%
R8057
22uF
10V
C8048
1/10W
10K
1%
R8056
0.01uF
25V
C8034
CIC21J501NE
L8008
AOZ1072AI
IC8003
3
AGND
2
VIN
4
FB
1
PGND
5
COMP
6
EN
7
LX_1
8
LX_2
0
NON_SCAN_LIPS
R8007
0
SHARP
R8014
0
400Hz_MD_MDSI/42_47_LOCAL DIMMING
R8076
M2_MOSI
R_VS
0
400Hz_VSYNC/42_47_LOCAL DIMMING
R8078
M2_SCLK
0
400Hz_MO_SCLK/42_47_LOCAL DIMMING
R8077
L_VS
R_VS
R_VS
M2_SCLK
MO_SCLK
M2_MOSI
MO_MOSI
100uF
25V
C8001
0 . 1 u F
50V
C8003
0 . 1 u F
50V
C8005
0 . 1 u F
50V
50V
C8009
10uF
25V
OPT
25V
OPT
C8010
0 . 1 u F
50V
50V
C8022
22uF
25V
25V
C8052
0 . 1 u F
50V
C8051
10uF
25V
25V
C8002
100
R8081
100K
R8079
NCP803SN293
IC8008
1
GND
3
VCC
2
RESET
24K
1%
R8061
POWER 20V
24K
1%
POWER 24V
R8061-*1
5.1K
5%
R8062
POWER 20V
4.3K
1%
POWER 24V
R8062-*1
+3.5V_ST
14K
1%
OPT
R8080
MP2108DQ
IC8002
3
LX
2
VIN
4
PGND
1
BST
5
SGND
6
SS
7
FB
8
COMP
9
VREF
10
RUN
THERMAL
MP2208DL-LF-Z
IC8001
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
SMAW200-H24S2
SLIM_32~52
P8001
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
AO3407A
Q8004
G
D
S
39K
1%
1%
R8072
SEMTECH
0 . 1 u F
C8062
0 . 1 u F
OPT
C8056
18K
1%
1%
R8073
A2.5V
500
L8017
10K
R8059
SEMTECH
+3.3V_NORMAL
500
L8014
0 . 1 u F
C8055
10uF
16V
C8053
10uF
16V
C8058
10uF
16V
C8061
0 . 1 u F
16V
16V
C8065
ESD
3300pF
50V
C8039
22uF
10V
10V
C8041
22uF
10V
10V
C8037
22uF
10V
10V
C8057
22uF
10V
10V
C8059
0
400Hz_VSYNC
R8082
1uF
10V
10V
C8033
10K
R8060
10K
R8044
0
SCAN_LIPS
R8085
0
SCAN_PSU
R8084
0
SCAN_PSU
R8083
10uF
10V
10V
C8067
0 . 1 u F
16V
16V
C8068
2200pF
50V
C8054
5.6V
ESD
D8000
100K
R8045-*1
ESD
0 . 1 u F
C8069
NON_LED_MODEL
22K
1%
POWER 18.5V
R8061-*2
4.7K 1%
POWER 18.5V
R8062-*2
10uF
16V
16V
C8066
10uF
16V
16V
C8043
30K
1%
R8046
10K
BCD
R8086
500
BCD
L8018
+5V_NORMAL
0 . 1 u F
OPT
C8070
10K
BCD
R8087
THERMAL
AP2132MP-2.5TRG1
IC8004
BCD
3
VIN
2
EN
4
VCTRL
1
PG
5
NC
6
VOUT
7
ADJ
8
GND
9
[ E P ]
SC4215ISTRT
IC8004-*1
SEMTECH
3
VIN
2
EN
4
NC_2
1
NC_1
5
NC_3
6
VO
7
ADJ
8
GND
4.7K
1%
1%
BCD
R8073-*1
15K
1%
1%
BCD
R8072-*1
10uF
25V
C8013
+5V_USB
15
<OS MODULE PIN MAP>
PIN No
INV_ON
V o u t = ( 1 + R 1 / R 2 ) * 0 . 8
+5V_NORMAL
R2
3A
S T _ 3 . 5 V - - > 3 . 5 V
INV_ON
V o u t = 0 . 8 * ( 1 + R 1 / R 2 )
INV_ON
INV_ON
+5V_USB
E r r _ o u t
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
E r r _ o u t
CMO(09)
PWM_DIM
PWM_DIM
PWM_DIM
GND
20
MAX 350mA
A-DIM
R1
MAX 1500mA
A-DIM
E r r _ o u t
24
Max 1100 mA
12V-->3.58V
LGD
+3.3V_NORMAL
MAX 3.1A
MAX 2.3A
V o u t = 0 . 8 * ( 1 + R 1 / R 2 )
R1
R2
B C M c o r e 1 . 2 V v o l t
Placed on SMD-TOP
Vout=0.9*(1+R1/R2)
R e p l a c e d P a r t
R1
C IN
3A
Placed on SMD-TOP
R2
BCM DDR 1.8V
R2
A2.5V
R1
n o t t o R E S E T a t 8 k V E S D
SEMTEK:Vout=0.8*(1+R1/R2)
BCD:Vout=0.6*(1+R1/R2)
BCD VOUT : 2.514V
SEMTEK VOUT : 2.533V
POWER
BCM (EUROBBTV)
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