LG 42LX6500 Service Manual page 35

FROM LIPS & POWER B/D
+3.5V_ST
RT1P141C-T112
Q8002
R8004 1 3
4.7K
NORMAL_26~52
R8000 C 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
50V
50V SMAW200-H24S2
25V
P8001
R8084
<OS MODULE PIN MAP>
0
SCAN_PSU
AUO
PIN No LGD CMO(09) SHARP
INV_ON INV_ON
18 A-DIM INV_ON
V4:VBR-A
20 NC Err_out Err_out
V5:NC
A-DIM
22 PWM_DIM PWM_DIM PWM_DIM
Err_out
24 INV_ON PWM_DIM GND
+12V
L8000
CIC21J501NE
C8009 C8010
C8008
0.1uF 10uF
0.01uF
25V
50V
25V
OPT
C8013
10uF
16V
R8003
22K
OPT
C
R8002
10K B Q8003
2SC3052
C
R8001 E
R8008
47K
B Q8001 22K
PANEL_CTL
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
10uF 3A R8012
SW_2 FB
10K
25V 3 6
C8007
0.1uF
BST EN/SYNC
4 5
R8006 R8013
22 10K
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.
All manuals and user guides at all-guides.com
L_VS
R_VS
MO_SCLK
M2_SCLK
MO_MOSI
M2_MOSI
SCAN_BLK1/OPC_OUT
OPC_OUT
SCAN_BLK2
+24V
L8005 400Hz_VSYNC/42_47_LOCAL DIMMING
24V
MLB-201209-0120P-N2 R8078
+12V
24V C8024 0
68uF
GND
35V R_VS
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
A.DIM R8028 0
MO_SCLK
P.DIM1
400Hz_MO_SCLK
Err OUT
+3.3V_NORMAL
NON_CMO
R8026
R8019
1K
100
R8018
100
C
R8023 R8032
CMO
10K INV_CTL
B
6.8K
Vout=0.8*(1+R1/R2)
OPT Q8005
E 2SC3052
R8039
10K
R8029 OPT
CMO
0
AUO R8030 0
R8031 0 A_DIM
LGD_IOP LGD_V4
R8021
AUO
R8027
R8022 0
0 PWM_DIM
0 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/SHARP ERROR_OUT
R8025 C8069
0
0.1uF
OPT
OPT
+3.5V_ST
PANEL_POWER
C8029
C8027
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
50V C8019
C8020 C8023 C8025
100pF
R1
22uF 0.1uF 0.1uF
50V
10V 16V 16V
POWER_ON/OFF2_1
R2
+5V_USB
PIN No LX95
N.C
16
Driver
18
On
22 N.C
N.C
23
+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
OPT
12K C8046
2200pF
R8049 100pF
C8040
50V
BCM core 1.2V volt
R8044
10K
POWER_ON/OFF2_1
ESD
EP ESD
D8000
R8045-*1 A1.2V
5.6V D1.2V
100K
R8045
AGND FB
1 14
0
NON_ESD
SS EN/SYNC
2 13 R8048
R8043 R8046
470K 30K
PGND_1 PGND_2 910K
3 12
1%
L8009 1% 1%
IC8001
L8011
2uH R1 R2
SW_1 SW_2 BLM18PG121SN1D
4 11
IN_1 IN_2
5 10 C8036
0.1uF
NC POK R8040
6 9
100K
C8041
R8041 C8037 C8043 C8045
BS VCC R8042
22uF 0.1uF
7 8 22uF 10uF
0
16V
10 10V 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 22uF 0.1uF
10V 10V 16V
POWER 18.5V
OPT R8061-*2 POWER 24V
22K 1% R8061-*1
R8080
24K 1%
14K 1%
POWER 18.5V
POWER 24V
R8062-*2
R8062-*1
4.7K 1%
4.3K 1%
R2
MAX 3.1A
+3.3V_NORMAL
+12V
R8060
L8013 10K
CIC21J501NE
EN
6
IC8005
FB
4
C8051
C8052 AOZ1024DI
COMP
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
VCC RESET 100
3 2
1
GND
ESD
C8065
0.1uF
16V
R8079
+24V
100K
not to RESET at 8kV ESD
IC8008
POWER 20V NCP803SN293
R8061
R8074
24K 1%
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
CIC21J501NE
VIN 3.6uH
LX
7
C8063 C8064
C8057 C8059
C8067
22uF 0.1uF 0.1uF
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
VIN VO
4 5
C8061
C8058 C8062
NC_3
NC_2 10uF
10uF
0.1uF
16V 16V
BCM (EUROBBTV)
15
POWER