LG 55LX9500 Service Manual page 37

PStoPDF trial version. http://www.oakdoc.com
FROM LIPS & POWER B/D
+3.5V_ST
RT1P141C-T112
Q8002
R8004
1 3
4.7K
NORMAL_26~52
R8000 C P8000
2
RL_ON 10K FW20020-24S
B Q8000
2SC3052
E
PWR ON
1 1
24V
3 3
GND
+3.5V_ST 5 5
L8003
GND
MLB-201209-0120P-N2 7 7
3.5V
9 9
3.5V
11 11
C8000 C8004 C8006
GND
13 13
100uF
0 . 1 u F 0 . 1 u F
16V GND
16V 16V 15 15
12V
17 17
12V
19 19
+12V 12V
21 21
L8002
GND/P.DIM2
23 23
MLB-201209-0120P-N2
SLIM_32~52
C8003 C8005
C8001
0 . 1 u F
0 . 1 u F
100uF
SMAW200-H24S2
25V
<OS MODULE PIN MAP>
SCAN_PSU
AUO
PIN No LGD CMO(09) SHARP
INV_ON
INV_ON A-DIM INV_ON
18
V4:VBR-A
20 E r r _ o u t
NC E r r _ o u t
V5:NC
A-DIM
22 PWM_DIM PWM_DIM PWM_DIM
E r r _ o u t
INV_ON PWM_DIM
24 GND
+12V
C8009 C8010
10uF
0 . 1 u F
25V
50V
OPT
C8013
10uF
25V
OPT
C
R8002
10K
B Q8003
2SC3052
C
E
R8001
47K B Q8001
2SC3052
1:AK10
E
+5V_USB
+12V
IC8000
MP8706EN-C247-LF-Z
IN GND
1 8
SW_1 VCC
2 7
C8002
3A
10uF
SW_2 FB
25V
3 6
C8007
0 . 1 u F
BST EN/SYNC
4 5
R8006
22
L8004
3.6uH
NR8040T3R6N
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
2 2
MLB-201209-0120P-N2 R8078
24V C8024 0
4 4
68uF
GND
6 6 R_VS
35V
C8018
GND
8 8 0 . 1 u F
400Hz_VSYNC
3.5V
10 10 50V
R8036
3.5V
12 12 0 L_VS
GND
14 14
R8082 0 V_SYNC 400Hz_MO_SCLK/42_47_LOCAL DIMMING
GND/V-sync
16 16
R8077 0
INV ON
18 18 400Hz_VSYNC M2_SCLK
R8028 0
A.DIM
20 20
MO_SCLK
P.DIM1
22 22 400Hz_MO_SCLK
Err OUT
24 24
+3.3V_NORMAL
NON_CMO
25
R8019
100
R8018
P8001
100
C
R8032
CMO 10K INV_CTL
B
Q8005
E 2SC3052
R8029 OPT
CMO 0
AUO R8030 0
R8031 A_DIM
0
LGD_IOP A_DIM_LGD
R8084 R8021
AUO
0 R8027
R8022
0
0 PWM_DIM
0 PWM_NON_OPC
R8020 R8033
NON_SCAN_PSU C8021 0
C8017
SCAN_BLK1/OPC_OUT
0 1uF
0 . 1 u F SCAN/FHD_OPC
OPT 25V
R8034
OPT
0
OPC_OUT
HD_OPC
R8035
+3.3V_NORMAL
0
R8024
0
AUO/SHARP ERROR_OUT
R8025
C8069
0
NON_LED_MODEL 0 . 1 u F
NON_LED_MODEL
+3.5V_ST
PANEL_POWER
Q8004
AO3407A
PANEL_VCC
G
OPT
C8015
1uF
25V
C8022
BCM DDR 1.8V
0 . 1 u F
50V
+5V_USB
MAX 1500mA
OPT
C8014
C8016
1uF OPT
100pF
50V
50V C8019
C8020 C8023 C8025
100pF
R1
R8012
22uF 0 . 1 u F 0 . 1 u F
50V
10K
10V 16V 16V
POWER_ON/OFF2_1
R8013
10K
R2
+5V_USB
Vout=(1+R1/R2)*0.8
+5V_NORMAL
+12V
IC8003
AOZ1072AI
L8010
3.6uH
PGND LX_2
1 8
NR8040T3R6N
VIN LX_1
2 7
C8068
0 . 1 u F 2A
POWER_ON/OFF2_2
16V AGND EN
3 6
R8050
C8028 C8030
10K
10uF 10uF
FB COMP
25V 25V 4 5
12K
2200pF
R8049
C8040
Vout=0.8*(1+R1/R2)
B C M c o r e 1 . 2 V v o l t
R8044
10K
POWER_ON/OFF2_1
ESD
EP D8000 ESD
5.6V R8045-*1
D1.2V
100K
R8045
AGND FB
1 14
0
NON_ESD
SS EN/SYNC
2 13 R8048
R8046
30K
910K
PGND_1 PGND_2
3 12
L8009 1% 1%
IC8001 L8011
R1 R2
2uH
BLM18PG121SN1D
SW_1 SW_2
4 11
IN_1 IN_2
5 10
NC POK R8040
6 9
100K
R8041 C8037
BS VCC
7 8 22uF
10 10V
MP2208DL-LF-Z
C8033
C8029
1uF
22uF
10V
16V
Vout=0.8*(1+R1/R2)
+3.5V_ST
Vout=0.9*(1+R1/R2)
R e p l a c e d P a r t
IC8002 NR8040T3R6N
MP2108DQ
10K
BST RUN R8052
1 10
VIN VREF
2 9
3A
C8042
LX COMP 0 . 0 1 u F
Placed on SMD-TOP 3 8
25V
PGND FB
4 7
C8031
C IN 22uF
C8039
10V SGND SS
3300pF
5 6
C8038
R8051
0 . 0 1 u F
6.8K
25V
15V-->3.6V
20V-->3.5V
24V-->3.48V
12V-->3.58V
ST_3.5V-->3.5V
Power_DET
MAX 350mA
+5V_NORMAL
+3.5V_ST
C8047 C8066 C8049
R1
22uF 10uF 0 . 1 u F
10V 16V 16V
POWER 18.5V
OPT
R8061-*2
R8080
OPT
22K 1%
C8046 14K 1%
100pF
50V
POWER 18.5V
R8062-*2
4.7K 1%
R2
MAX 3.1A
+3.3V_NORMAL
+12V
A1.2V
R8060
10K
EN
FB
C8043
10uF
C8052
16V COMP
22uF
25V
C8054
2200pF
50V
Max 1100 mA
+3.3V_NORMAL
D1.8V
L8012
3.6uH
POWER_ON/OFF1
+5V_NORMAL
OPT
R1
R8057 Placed on SMD-TOP
R2 10K C8070
0 . 1 u F
R8056
C8048
10K
1/10W 22uF
10V
1%
SEMTEK:Vout=0.8*(1+R1/R2)
+12V +3.5V_ST
+3.5V_ST
R8068
100K
IC8007
NCP803SN293
R8081
100
VCC RESET
3 2
1
GND
ESD
C8065
0 . 1 u F
16V
R8079
+24V
100K
n o t t o R E S E T a t 8 k V E S D
IC8008
POWER 24V
POWER 20V NCP803SN293
R8061-*1
R8061
24K 1% R8074
24K 1%
VCC RESET 100
3 2
1
POWER 24V POWER 20V
GND
R8062-*1 R8062
4.3K 1% 5.1K 5%
MAX 2.3A
POWER_ON/OFF2_2
+3.3V_NORMAL
L8016
L8015
CIC21J501NE
3.6uH
6
IC8005
LX
4 7
C8063
C8057
AOZ1024DI C8067
0 . 1 u F
22uF
5 10uF
16V
10V
10V
A2.5V
A2.5V
SEMTEK VOUT : 2.533V
IC8004
BCD VOUT : 2.514V
AP2132MP-2.5TRG1
[ E P ]
PG GND
R8086 10K BCD
1 8
BCD
R2
EN ADJ BCD
R8059 10K
2 7
SEMTECH
R1
BCD
VIN VOUT
3 6
R8087 10K
VCTRL NC
BCD 4 5
OPT
OPT
IC8004-*1
SC4215ISTRT
NC_1 GND
1 8
EN ADJ
2 7
SEMTECH
VIN VO
3 6
NC_2 NC_3
4 5
BCD:Vout=0.6*(1+R1/R2)
BCM (EUROBBTV)
15
POWER
POWER_DET
D3.3V
C8064
0 . 1 u F
16V