DOWNLOAD LG 42LE8500 (CHASSIS:LB03E) Service Manual ↓ Size: 5.76 MB | Pages: 45 in PDF or view online for FREE

Model
42LE8500 (CHASSIS:LB03E)
Pages
45
Size
5.76 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
42le8500-chassis-lb03e.pdf
Date
PREV: LG 37LE7500 / 37LE750N / 37LE7510 / 37LE7800 / 37LE7900 / 37LE7910 (CHASSIS:LD03E) Service Manual

LG 42LE8500 (CHASSIS:LB03E) Service Manual ▷ View 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.
Non_CI
2009.10.19
CI_A[0]
CI_A[1]
CI_A[2]
CI_A[3]
CI_A[4]
CI_A[5]
CI_A[6]
CI_A[7]
CI_A[8]
CI_A[9]
CI_A[10]
CI_A[11]
CI_A[12]
CI_A[13]
CI_OUTDATA[4]
CI_OUTDATA[5]
CI_OUTDATA[6]
CI_OUTDATA[7]
CI_OUTCLK
CI_OUTVALID
CI_OUTSTART
CI_OUTDATA[0]
CI_OUTDATA[1]
CI_OUTDATA[2]
CI_OUTDATA[3]
CI_OUTCLK
/CI_WAIT
CI_MOD_RESET [GP49]
/CI_CD2 [GP38]
CI_MOD_RESET
/CI_CD1
FE_TS_DATA_CLK
FE_TS_VAL_ERR
/CI_WAIT
/CI_IREQ
[GP39]
007:H5;016:AJ3
/CI_CD1
CI_OUTCLK,CI_OUTDATA[0-7],CI_OUTSTART,CI_OUTVALID
FE_TS_SYNC
/CI_CD2
EBI_RW
007:E6
CI_5V_CTL
[GP27]
007:H7
CI_A[0-13]
EBI_WE
/CI_SEL
CI_A[14]
EBI_CS
High_Common(BCM3556)
46
DVB-CI PULL-UP (Near CI Slot)
DVB-CI PULL-DOWN (Near CI Slot)
CI POWER ENABLE CONTROL
CI CONTROL BUFFER
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 120Hz MINI_LVDS
GMA12
VGI_N
CLK1
GMA3
RRXB3+/RLV1P
VCC_LCM
R7507
0
NON_GIP
CLK5
R7500
0 GIP
C7508
0.1uF
50V
MINI_LVDS
Z_OUT
VGI_N
POL
RRXB4-/RLV0N
VCOMR
GVDD_ODD_I/GSC
VCOML
OPC_EN
R7512
0
NON_GIP
LLV3N
VDD_ODD
RRXB2-
GMA18
VDD_LCM
RRXB1-
GVST_I/GSP
C7500
0.1uF
16V
MINI_LVDS
VST
RRXA3-
R7513
0
NON_GIP
GCLK4/OPT_P
Z_OUT
C7505
0.1uF
16V
MINI_LVDS
VGI_P
GMA6
RRXA0-
R7501
0 GIP
LLCLKN
R7506
0
NON_GIP
CLK4
CLK6
GMA15
RRXA1+
RRXB0-/RLCLKN
CLK4
VDD_ODD
GMA9
R7505
0
NON_GIP
RRXB4+/RLV0P
LLV0N
GMA16
R7515
0
NON_GIP
GMA9
H_CONV
GMA7
R7508
0 GIP
LLV4N
GMA15
VDD_EVEN
GMA18
OPT_N
CLK1
GMA6
GMA10
VCOMRFB
GMA1
RRXBCK-/RLV2N
RRXACK-/RLV4N
LLV5N
GMA13
LLV0P
RRXBCK+/RLV2P
GVST_I/GSP
CLK3
GMA4
SOE
POL
C7504
0.1uF
50V
MINI_LVDS
C7501
10uF
16V
MINI_LVDS
OPC_OUT
C7502
0.01uF
50V
MINI_LVDS
CLK3
RRXA2-/RLV5N
SOE
R7517
0
NON_GIP
RRXB1+
GMA1
VGL
(-5V)
P7501
104060-6017
TM240Hz
1
GND
2
Z_OUT
3
CLK1
4
CLK2
5
CLK3
6
CLK4
7
CLK5
8
CLK6
9
VGI_N
10
VGI_P
11
VGH_ODD
12
VGH_EVEN
13
VSS
14
VST
15
GND
16
VCOM_FB
17
VCOM_IN
18
GND
19
VDD
20
VDD
21
HALF_VDD
22
HALF_VDD
23
GND
24
VCC
25
VCC
26
GND
27
RV0+
28
RV0-
29
RV1+
30
RV1-
31
RV2+
32
RV2-
33
RVCLK+
34
RVCLK-
35
RV3+
36
RV3-
37
RV4+
38
RV4-
39
RV5+
40
RV5-
41
GND
42
SOE
43
POL
44
VST_IN
45
H_CONV
46
OPT_N
47
GND
48
GMA18
49
GMA16
50
GMA15
51
GMA13
52
GMA12
53
GMA10
54
GMA9
55
GMA7
56
GMA6
57
GMA4
58
GMA3
59
GMA1
60
GND
61
.
VDD_EVEN
GMA3
RRXB2+
RRXA3+
RRXA4-/RLV3N
VGL_I
CLK2
R7503
0
NON_GIP
RRXA0+
LLCLKP
CLK2
VGI_P
R7509
0
NON_GIP
GMA16
LLV1P
GMA4
R7511
0 MINI_LVDS
RRXA1-
GMA12
RRXB3-/RLV1N
RRXACK+/RLV4P
RRXB0+/RLCLKP
GVDD_EVEN_I/GOE
LLV2N
R7502
0
NON_GIP
LLV1N
LLV3P
VGL_I
GMA7
RRXA4+/RLV3P
VGH_M
(+25V)
HVDD
P7500
104060-6017
TM240Hz
1
GND
2
GMA1
3
GMA3
4
GMA4
5
GMA6
6
GMA7
7
GMA9
8
GMA10
9
GMA12
10
GMA13
11
GMA15
12
GMA16
13
GMA18
14
GND
15
OPT_N
16
H_CONV
17
VST_IN
18
POL
19
SOE
20
GND
21
LV0+
22
LV0-
23
LV1+
24
LV1-
25
LV2+
26
LV2-
27
LVCLK+
28
LVCLK-
29
LV3+
30
LV3-
31
LV4+
32
LV4-
33
LV5+
34
LV5-
35
GND
36
VCC
37
VCC
38
GND
39
HALF_VDD
40
HALF_VDD
41
VDD
42
VDD
43
GND
44
VCOM_IN
45
VCOM_FB
46
GND
47
VST
48
VSS
49
VGH_EVEN
50
VGH_ODD
51
VGI_P
52
VGI_N
53
CLK6
54
CLK5
55
CLK4
56
CLK3
57
CLK2
58
CLK1
59
Z_OUT
60
GND
61
.
LLV4P
GMA13
VCOMLFB
HVDD
LLV2P
C7509
10uF
16V
MINI_LVDS
R7504
0
NON_GIP
VST
C7507
0.01uF
50V
MINI_LVDS
H_CONV
CLK5
RRXA2+/RLV5P
GMA10
LLV5P
VCC_LCM
VGL
(-5V)
R7510
0
NON_GIP
CLK6
R7516
0
NON_GIP
R7514
0
NON_GIP
VDD_LCM
VCC_LCM
R7520
510
OPT
R7521
0
MINI_LVDS
OPT_N
R7519
0
MINI_LVDS
OPT_N
VCC_LCM
R7518
510
OPT
C7503
1uF
50V
MINI_LVDS
C7506
1uF
50V
MINI_LVDS
35
[Right FFC Connector]
 (60Pin Mini-LVDS)
[LEFT FFC Connector]
 (60Pin Mini-LVDS)
To reduce
Audible noise
(2012)
To reduce
Audible noise
(2012)
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")
R7900
22
OPT
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
GP2_Saturn7M
Interface for LG5111
Ver. 1.0
72
[To MASTER LED DRIVER]
[To SLAVE LED DRIVER]
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_PSU
L8004
3.6uH
NR8040T3R6N
0
R8035
HD_OPC
Q8001
2SC3052
E
B
C
+12V
R8030
0
AUO_PSU
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_PSU/SHARP_PSU_60
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_PSU
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_PSU/SHARP_PSU_52_60
+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_PSU_26_32_52
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
C8013
4.7uF
50V
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
R8046
20K
1%
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%
IC8004
SC4215ISTRT
3
VIN
2
EN
4
NC_2
1
NC_1
5
NC_3
6
VO
7
ADJ
8
GND
0.1uF
C8062
0.1uF
C8056
OPT
R8073
18K
1%
A2.5V
L8017
500
R8059
10K
+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
C8043
22uF
10V
C8041
22uF
10V
C8037
22uF
10V
C8066
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
15
Vout=(1+R1/R2)*0.8
+5V_NORMAL
R2
3A
ST_3.5V-->3.5V
Vout=0.8*(1+R1/R2)
+5V_USB
20V-->3.5V
Power_DET
15V-->3.6V
PANEL_POWER
2A
R1
24V-->3.48V
FROM LIPS & POWER B/D
R2
MAX 350mA
R1
MAX 1500mA
Max 1100 mA
12V-->3.58V
+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
VOUT : 2.533V
A2.5V
Vout=0.8*(1+R1/R2)
R1
not to RESET at 8kV ESD
Page of 45
Display

Click on the first or last page to see other 42LE8500 (CHASSIS:LB03E) service manuals if exist.

RANDOM: