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LG 47LE5500-SA Service Manual page 34

Chassis : lj03d

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FROM LIPS & POWER B/D
+3.5V_ST
RT1P141C-T112
Q8002
R8004
1
3
4.7K
NORMAL_26~52
C
R8000
P8000
2
10K
FW20020-24S
RL_ON
B
Q8000
2SC3052
E
PWR ON
1
1
2
2
24V
3
3
4
4
GND
+3.5V_ST
5
5
6
6
L8003
GND
MLB-201209-0120P-N2
7
7
8
8
3.5V
9
9
10
10
3.5V
11
11
12
12
C8000
C8004
C8006
GND
13
13
14
14
100uF
0.1uF
0.1uF
16V
GND
16V
16V
15
15
16
16
12V
17
17
18
18
12V
19
19
20
20
+12V
12V
21
21
22
22
L8002
GND/P.DIM2
23
23
24
24
MLB-201209-0120P-N2
SLIM_32~52
C8003
C8005
C8001
25
0.1uF
0.1uF
100uF
SMAW200-H24S2
25V
P8001
R8084
0
SCAN_PSU
+12V
L8000
CIC21J501NE
C8009
C8010
C8008
0.1uF
10uF
0.01uF
25V
50V
25V
OPT
C8013
4.7uF
50V
R8003
22K
OPT
C
R8002
10K
B
Q8003
2SC3052
C
E
R8001
R8008
47K
B
Q8001
PANEL_CTL
22K
2SC3052
1:AK10
E
+5V_USB
+12V
IC8000
MP8706EN-C247-LF-Z
IN
GND
1
8
C8014
1uF
SW_1
VCC
2
7
50V
C8002
3A
10uF
SW_2
FB
25V
3
6
C8007
0.1uF
BST
EN/SYNC
4
5
R8006
R8013
22
L8004
3.6uH
NR8040T3R6N
Vout=(1+R1/R2)*0.8
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.
L_VS
R_VS
MO_SCLK
M2_SCLK
MO_MOSI
M2_MOSI
+24V
L8005
400Hz_VSYNC/42_47_LOCAL DIMMING
24V
MLB-201209-0120P-N2
R8078
+12V
24V
C8024
0
68uF
GND
R_VS
35V
C8018
GND
0.1uF
400Hz_VSYNC
3.5V
50V
R8036
3.5V
0
L_VS
GND
R8082
0
V_SYNC
400Hz_MO_SCLK/42_47_LOCAL DIMMING
GND/V-sync
R8077
0
INV ON
400Hz_VSYNC
M2_SCLK
R8028
0
A.DIM
MO_SCLK
P.DIM1
400Hz_MO_SCLK
Err OUT
+3.3V_NORMAL
NON_CMO
R8026
R8019
1K
100
R8018
100
C
R8023
R8032
CMO_PSU
INV_CTL
B
10K
6.8K
Vout=0.8*(1+R1/R2)
OPT
Q8005
E
2SC3052
R8039
10K
R8029
OPT
CMO_PSU
0
R8030 0
AUO_PSU
A_DIM
R8031 0
LGD_IOP
A_DIM_LGD
R8021
AUO_PSU/SHARP_PSU_60
R8027
R8022
0
0
PWM_DIM
0
PWM_NON_OPC
R8020
R8033
C8021
NON_SCAN_PSU
C8017
0
0
SCAN_BLK1/OPC_OUT
0.1uF
1uF
SCAN/FHD_OPC
OPT
25V
R8034
OPT
0
OPC_OUT
HD_OPC
R8035
+3.3V_NORMAL
0
C8026
R8024
0.1uF
0
AUO_PSU/SHARP_PSU_52_60
ERROR_OUT
R8025
C8069
0
NON_LED_MODEL
0.1uF
NON_LED_MODEL
+3.5V_ST
PANEL_POWER
C8027
C8029
22uF
0.1uF
16V
Q8004
AO3407A
PANEL_VCC
G
OPT
C8015
1uF
25V
C8022
BCM DDR 1.8V
0.1uF
50V
+5V_USB
MAX 1500mA
Placed on SMD-TOP
C IN
OPT
C8016
OPT
100pF
C8019
50V
100pF
C8020
C8023
C8025
R8012
R1
22uF
0.1uF
0.1uF
10K
50V
10V
16V
16V
POWER_ON/OFF2_1
10K
R2
+5V_USB
+5V_NORMAL
MAX 350mA
IC8003
AOZ1072AI
L8010
L8007
3.6uH
PGND
LX_2
1
8
CIC21J501NE
NR8040T3R6N
VIN
LX_1
2
7
C8068
0.1uF
2A
POWER_ON/OFF2_2
AGND
EN
16V
3
6
C8028
C8030
R8050
10K
10uF
10uF
FB
COMP
25V
25V
4
5
12K
C8046
2200pF
R8049
100pF
C8040
BCM core 1.2V volt
R8044
10K
POWER_ON/OFF2_1
ESD
EP
ESD
D8000
R8045-*1
5.6V
D1.2V
100K
R8045
AGND
FB
1
14
0
NON_ESD
SS
EN/SYNC
R8048
2
13
R8043
470K
30K
910K
PGND_1
PGND_2
3
12
1%
R8046
L8009
1%
IC8001
L8011
R1
R2
2uH
BLM18PG121SN1D
SW_1
SW_2
4
11
IN_1
IN_2
5
10
C8036
0.1uF
NC
POK
R8040
6
9
100K
C8041
C8043
C8045
BS
VCC
R8041
R8042
C8037
7
8
22uF
10uF
0.1uF
0
22uF
10
10V
16V
10V
16V
MP2208DL-LF-Z
C8032
C8033
C8035
1uF
22uF
0.1uF
10V
Vout=0.8*(1+R1/R2)
Max 1100 mA
+3.5V_ST
Vout=0.9*(1+R1/R2)
L8012
Replaced Part
3.6uH
NR8040T3R6N
IC8002
MP2108DQ
10K
BST
RUN
R8052
1
10
POWER_ON/OFF1
VIN
VREF
2
9
3A
C8042
LX
COMP
0.01uF
OPT
3
8
50V
25V
100pF
C8044
PGND
FB
4
7
C8031
R2
22uF
C8039
10V
SGND
SS
3300pF
5
6
R8056
50V
10K
1/10W
C8038
R8051
1%
0.01uF
6.8K
25V
15V-->3.6V
20V-->3.5V
24V-->3.48V
12V-->3.58V
ST_3.5V-->3.5V
Power_DET
+5V_NORMAL
+3.5V_ST
C8047
C8066
C8049
R1
22uF
10uF
0.1uF
10V
16V
16V
OPT
POWER 24V
POWER 18.5V
OPT
R8061-*1
R8080
R8061-*2
24K
1%
22K
1%
14K
1%
50V
POWER 24V
POWER 18.5V
R8062-*1
R8062-*2
4.3K 1%
4.7K 1%
R2
MAX 3.1A
+3.3V_NORMAL
+12V
A1.2V
R8060
L8013
10K
CIC21J501NE
EN
6
IC8005
FB
4
C8051
C8052
COMP
AOZ1024DI
0.1uF
22uF
5
50V
25V
R8058
20K
C8054
2200pF
50V
+3.3V_NORMAL
D1.8V
R8059
10K
C8053
10uF
C8055
0.1uF
OPT
16V
C8056
0.1uF
R1
R8057
Placed on SMD-TOP
10K
1%
C8048
C8050
22uF
0.1uF
10V
Vout=0.8*(1+R1/R2)
+12V
+3.5V_ST
+3.5V_ST
R8068
100K
IC8007
NCP803SN293
R8081
POWER_DET
100
VCC
RESET
3
2
1
GND
ESD
C8065
0.1uF
16V
R8079
+24V
100K
not to RESET at 8kV ESD
IC8008
POWER 20V
NCP803SN293
R8061
24K
1%
R8074
100
VCC
RESET
3
2
1
POWER 20V
GND
R8062
5.1K 5%
MAX 2.3A
POWER_ON/OFF2_2
+3.3V_NORMAL
D3.3V
L8016
L8015
VIN
3.6uH
CIC21J501NE
LX
7
C8063
C8064
C8057
C8059
C8067
0.1uF
0.1uF
22uF
22uF
10uF
10V
16V
16V
10V
10V
A2.5V
A2.5V
IC8004
SC4215ISTRT
VOUT : 2.533V
1
8
NC_1
GND
R8073
18K
R2
2
7
1%
EN
ADJ
R8072
39K
R1
1%
3
6
VO
VIN
4
5
C8058
C8061
C8062
NC_3
NC_2
10uF
10uF
0.1uF
16V
16V
BCM (EUROBBTV)
15
POWER

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47le5500