DOWNLOAD LG 42LV4400 LC420EUG-RDV2-7R1 Service Manual ↓ Size: 11.91 MB | Pages: 127 in PDF or view online for FREE

Model
42LV4400 LC420EUG-RDV2-7R1
Pages
127
Size
11.91 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
42lv4400-lc420eug-rdv2-7r1.pdf
Date
PREV: LG 42LV3710-TB / 42LV371Y-TB / 42LV3730-TD (CHASSIS:LB12B) Service Manual

LG 42LV4400 LC420EUG-RDV2-7R1 Service Manual ▷ View online

5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
P12V
LVDS_OPTION
EXT_BR28_P
TPWM_DIM
BIT_SEL
DCR_EN
P12V
LVDS_ROTATE
LVDS_ROTATE2
BIT_SEL
DCR_EN
LVDS_OPTION
Panel_IO1
Panel_IO2
LVDS_ROTATE2
LVDS_ROTATE
Panel_IO1
Panel_IO2
A3P
A4N
A6N
A0N
CK2P
A1P
A0P
CK1P
A6P
A7N
CK1N
A5P
A3N
A2N
A2P
A5N
A7P
A4P
A1N
CK2N
A0NT
A5PT
A2NT
A7NT
A5NT
A3PT
CK2PT
A1PT
A4PT
A3NT
CK2NT
A1NT
CK1PT
A4NT
A6PT
A0PT
CK1NT
A6NT
A7PT
A2PT
CK1N
A3P
A1P
A2P
A0N
A4P
A4N
A0P
CK1P
A6P
A5P
CK2N
A2N
A1N
A6N
A7P
A7N
A3N
CK2P
A5N
Panel_IO1
Panel_IO2
GND
LVDS_VDD
+12V
LVDS_3V3
LVDS_3V3
LVDS_3V3
PWR_LGP
P12V
P12V
P12V
LVDS_POWER_ON
8
EXT_BR28_P
1
OPC_CTRL
8,14
A5P
8
A6N
8
A6P
8
CK2N
8
CK2P
8
A7N
8
A7P
8
A0N
8
A0P
8
A1N
8
A1P
8
A2N
8
A2P
8
CK1N
8
CK1P
8
A3N
8
A3P
8
A4N
8
A4P
8
A5N
8
TPWM_DIM
1
A4PT
15
A2PT
15
A3NT
15
A1NT
15
A6PT
15
A1PT
15
A6NT
15
A0NT
15
A5NT
15
A7NT
15
CK1NT
15
A0PT
15
A3PT
15
CK2NT
15
A7PT
15
CK1PT
15
A5PT
15
A2NT
15
CK2PT
15
A4NT
15
Panel_IO2
8
Panel_IO1
8
GND
1,2,3,4,5,6,7,8,10,11,12,13,14,15,16
MODEL
Sheet
REV:
of
CIRCUITY
PCB REV:
PCB FILE :
PCB P/ N:
ECN NO:
TECHNOLOGY
APPROVED BY:
CHECKED BY:
SCH FILE :
DATE:
DESIGN BY:
LVDS
47LV4400(364705220150)
9
17
017122714132.BRD
2.0
2.0
364213320150_PCN0000627.DSN
017122714132
Monday, August 29, 2011
42LV4400(364213320150)
PCN0000627 / PCN0000637
MODEL
Sheet
REV:
of
CIRCUITY
PCB REV:
PCB FILE :
PCB P/ N:
ECN NO:
TECHNOLOGY
APPROVED BY:
CHECKED BY:
SCH FILE :
DATE:
DESIGN BY:
LVDS
47LV4400(364705220150)
9
17
017122714132.BRD
2.0
2.0
364213320150_PCN0000627.DSN
017122714132
Monday, August 29, 2011
42LV4400(364213320150)
PCN0000627 / PCN0000637
MODEL
Sheet
REV:
of
CIRCUITY
PCB REV:
PCB FILE :
PCB P/ N:
ECN NO:
TECHNOLOGY
APPROVED BY:
CHECKED BY:
SCH FILE :
DATE:
DESIGN BY:
LVDS
47LV4400(364705220150)
9
17
017122714132.BRD
2.0
2.0
364213320150_PCN0000627.DSN
017122714132
Monday, August 29, 2011
42LV4400(364213320150)
PCN0000627 / PCN0000637
Low = > LVDS_VDD OFF
High = > LVDS_VDD ON
W125S_2X20V
37FHD with LG LC370WUN 
LVDS_ROTATE : high for LVDS select JEIDA(pin9)
LVDS_OPTION : high for OPC_Enable (pin10)
BIT_SEL : low for 8bit (pin27)
others : low for GND
37HD with LG LC370WXN 
LVDS_ROTATE : high for LVDS select JEIDA(pin9)
LVDS_OPTION : high for OPC_Enable (pin10)
others : low for GND
900mA
08/25 Modify
08/25 Modify
R732
0
R732
0
R161
10K
R161
10K
R747
0
R747
0
R162
10K
R162
10K
R730
0
R730
0
R759
0
R759
0
S
S
PMOS
U21
AP4953GM
S
S
PMOS
U21
AP4953GM
1
2
3
4
5
6
7
8
R745
0
R745
0
R749
NC
R749
NC
C69
NC/1.0uF/25V
0805C
C69
NC/1.0uF/25V
0805C
D22
LL4148WP
D22
LL4148WP
R757
0
R757
0
R20
NC/22
0402R
R20
NC/22
0402R
R743
0
R743
0
R755
NC
R755
NC
R741
0
R741
0
R753
NC
R753
NC
R739
0
R739
0
C67
0.1uF/25V
C67
0.1uF/25V
R761
0
R761
0
R751
NC
R751
NC
R737
0
R737
0
R735
0
R735
0
R733
0
R733
0
J8
1R25_2x20M
J8
1R25_2x20M
P2
P1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
R748
0
R748
0
R594
NC/4K7
R594
NC/4K7
ZD6
NC/KDZ3.3VY
ZD6
NC/KDZ3.3VY
2
1
R731
0
R731
0
ZD22
BZT52C15S-7-F
ZD22
BZT52C15S-7-F
R760
NC
R760
NC
R746
0
R746
0
R345
1K
R345
1K
R729
0
R729
0
Q14
KN3904S
Q14
KN3904S
2
1
3
R758
0
R758
0
R744
0
R744
0
R756
0
R756
0
R742
0
R742
0
R159
10K
R159
10K
R754
NC
R754
NC
R740
0
R740
0
C68
0.1uF/25V
C68
0.1uF/25V
R762
0
R762
0
R752
NC
R752
NC
R738
0
R738
0
R160
470K
R160
470K
R736
0
R736
0
L57
80ohm/4A
L57
80ohm/4A
R750
NC
R750
NC
R734
0
R734
0
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
AV1_IN
CVBS1
Y0_IN
CVBSN
PB0+
PR0+
PR0_IN
Y0-
YPBPR0R_IN0
YPBPR0L_IN0
Y0_IN
PB0_IN
Y0_IN
YPBPR0R_IN
Y0_GND
PR0_IN
PB0_IN
YPBPR0L_IN
PB0_GND
PB0_GND
GND
YPBPR0L_IN
YPBPR0R_IN
DV33
CVBSN
8
CVBS1
8
SPDIF
7,8
SOY1
8
Y1P
8
COM1
8
PB1P
8
PR1P
8
YPBPR0L_IN0
8
YPBPR0R_IN0
8
GND
1,2,3,4,5,6,7,8,9,11,12,13,14,15,16
MODEL
Sheet
REV:
of
CIRCUITY
PCB REV:
PCB FILE :
PCB P/ N:
ECN NO:
TECHNOLOGY
APPROVED BY:
CHECKED BY:
SCH FILE :
DATE:
DESIGN BY:
REAR RCA
47LV4400(364705220150)
10
17
017122714132.BRD
2.0
2.0
364213320150_PCN0000627.DSN
017122714132
Monday, August 29, 2011
42LV4400(364213320150)
PCN0000627 / PCN0000637
MODEL
Sheet
REV:
of
CIRCUITY
PCB REV:
PCB FILE :
PCB P/ N:
ECN NO:
TECHNOLOGY
APPROVED BY:
CHECKED BY:
SCH FILE :
DATE:
DESIGN BY:
REAR RCA
47LV4400(364705220150)
10
17
017122714132.BRD
2.0
2.0
364213320150_PCN0000627.DSN
017122714132
Monday, August 29, 2011
42LV4400(364213320150)
PCN0000627 / PCN0000637
MODEL
Sheet
REV:
of
CIRCUITY
PCB REV:
PCB FILE :
PCB P/ N:
ECN NO:
TECHNOLOGY
APPROVED BY:
CHECKED BY:
SCH FILE :
DATE:
DESIGN BY:
REAR RCA
47LV4400(364705220150)
10
17
017122714132.BRD
2.0
2.0
364213320150_PCN0000627.DSN
017122714132
Monday, August 29, 2011
42LV4400(364213320150)
PCN0000627 / PCN0000637
SPDIF CIRCUIT
OPTICAL
COMP input
near MT 5387
1229:Add 22pF
AV
2010/8/13 Change component
2010/8/13 Combine with COMP input
2010/8/13 Change component
AV33 change to DV33
W
R
B
RIGHT
G
LEFT
TOP
C229
NC/47pF/50V
C229
NC/47pF/50V
R180
18
R180
18
D31
NC/VPORT0603
D31
NC/VPORT0603
1
2
C152
0.01uF/16V
C152
0.01uF/16V
C251
1000pF/50V
C251
1000pF/50V
R184
56
R184
56
R183
18
R183
18
D13
NC/VPORT0603
D13
NC/VPORT0603
1
2
C237
15pF/50V
C237
15pF/50V
R265
100
R265
100
C244
1000pF/50V
C244
1000pF/50V
R174
100
R174
100
R589
33
R589
33
C150
0.01uF/16V
C150
0.01uF/16V
R181
18
R181
18
C149
1500pF/50V
C149
1500pF/50V
R188
NC/75
R188
NC/75
C243
22pF/50V
C243
22pF/50V
R176
68
R176
68
C154
0.01uF/16V
C154
0.01uF/16V
R351
82K
R351
82K
L4
80ohm/0.4A
L4
80ohm/0.4A
D14
NC/VPORT0603
D14
NC/VPORT0603
1
2
L5
80ohm/0.4A
L5
80ohm/0.4A
C364
NC
C364
NC
P11
JST1221
P11
JST1221
VIN
3
VCC
2
GND
1
P1
P1
P2
P2
L14
80ohm/0.4A
L14
80ohm/0.4A
R187
100
R187
100
R291
0
R291
0
C227
4.7uF/10V
C227
4.7uF/10V
R182
56
R182
56
C162
0.047uF/25V
C162
0.047uF/25V
C247
10pF/50V
C247
10pF/50V
D15
NC/VPORT0603
D15
NC/VPORT0603
1
2
R186
0
R186
0
R179
68
R179
68
P2
WTJ-032--55V2B-01A(G-B-R-W-R)
P2
WTJ-032--55V2B-01A(G-B-R-W-R)
2
3
6
5
8
10
9
4
7
1
C235
15pF/50V
C235
15pF/50V
C163
1uF/10V
C163
1uF/10V
C233
15pF/50V
C233
15pF/50V
R266
100
R266
100
C250
22pF/50V
C250
22pF/50V
C151
0.01uF/16V
C151
0.01uF/16V
C249
10pF/50V
C249
10pF/50V
D30
NC/VPORT0603
D30
NC/VPORT0603
1
2
R185
68
R185
68
R352
82K
R352
82K
C206
0.1uF/16V
C206
0.1uF/16V
C232
4.7uF/10V
C232
4.7uF/10V
R178
100
R178
100
C252
10pF/50V
C252
10pF/50V
R177
56
R177
56
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
GRN+
BLU+
RED+
VGASDA_SW
VGASCL_SW
GRN-
HSYNCA
GRN
BLU
VSYNCA
RED
HSYNCA
S0
S0
GRN+
VSYNCA
BLU
RED
VGAR_IN
VGAL_IN
VGASCL_SW
VGASDA_SW
GND
GRN
VGAL_IN
VGAR_IN
VGA_PLUGPWR
VGA_PLUGPWR
VGA_PLUGPWR
VGA_PLUGPWR
+5VSB
VGA_PLUGPWR
DV33
DV33
HSYNC
8
VSYNC
8
SOG
8
GP
8
COM
8
BP
8
RP
8
GPIO0
8,15
VGASCL_SW
14
VGASDA_SW
14
VGA_11
14
VGASDA_IN
14
VGASCL_IN
14
S0
14
HDMI_WP
7
S1
14
VGAR_IN0
8
VGAL_IN0
8
SDA_SW
8
SCL_SW
8
GND
1,2,3,4,5,6,7,8,9,10,12,13,14,15,16
MODEL
Sheet
REV:
of
CIRCUITY
PCB REV:
PCB FILE :
PCB P/ N:
ECN NO:
TECHNOLOGY
APPROVED BY:
CHECKED BY:
SCH FILE :
DATE:
DESIGN BY:
VGA/LR
47LV4400(364705220150)
11
17
017122714132.BRD
2.0
2.0
364213320150_PCN0000627.DSN
017122714132
Monday, August 29, 2011
42LV4400(364213320150)
PCN0000627 / PCN0000637
MODEL
Sheet
REV:
of
CIRCUITY
PCB REV:
PCB FILE :
PCB P/ N:
ECN NO:
TECHNOLOGY
APPROVED BY:
CHECKED BY:
SCH FILE :
DATE:
DESIGN BY:
VGA/LR
47LV4400(364705220150)
11
17
017122714132.BRD
2.0
2.0
364213320150_PCN0000627.DSN
017122714132
Monday, August 29, 2011
42LV4400(364213320150)
PCN0000627 / PCN0000637
MODEL
Sheet
REV:
of
CIRCUITY
PCB REV:
PCB FILE :
PCB P/ N:
ECN NO:
TECHNOLOGY
APPROVED BY:
CHECKED BY:
SCH FILE :
DATE:
DESIGN BY:
VGA/LR
47LV4400(364705220150)
11
17
017122714132.BRD
2.0
2.0
364213320150_PCN0000627.DSN
017122714132
Monday, August 29, 2011
42LV4400(364213320150)
PCN0000627 / PCN0000637
L : WP ENABLE
H : WP DISABLE
GPIO0 CONTROL STATUS
1229:Change package
2010/8/13 Change component
2010/8/13 Change component
C202
NC
C202
NC
D4
NC/VPORT0603
D4
NC/VPORT0603
1
2
C214
0.1uF/16V
C214
0.1uF/16V
R202
0
R202
0
R199
10K
R199
10K
C195
0.1uF/16V
C195
0.1uF/16V
L10
0
0603R
L10
0
0603R
R726
4K7
R726
4K7
S
Q71
2N7002
S
Q71
2N7002
3
1
2
R215
10K
R215
10K
C197
22pF/50V
C197
22pF/50V
C145
0.01uF/16V
C145
0.01uF/16V
C193
5pF/50V
C193
5pF/50V
R272
100
R272
100
C245
1000pF/50V
C245
1000pF/50V
D10
NC/VPORT0603
D10
NC/VPORT0603
1
2
R650
47
R650
47
C144
1500pF/50V
C144
1500pF/50V
S
Q72
2N7002
S
Q72
2N7002
3
1
2
L8
0
0603R
L8
0
0603R
R206
68
R206
68
C296
0.1uF/16V
C296
0.1uF/16V
R211
68
R211
68
D2
NC/VPORT0603
D2
NC/VPORT0603
1
2
C230
4.7uF/10V
C230
4.7uF/10V
U22 AT24C02BN-SH-T
U22 AT24C02BN-SH-T
GND
4
VCC
8
A0
1
A1
2
A2
3
WP
7
SCL
6
SDA
5
L7
80ohm/0.4A
L7
80ohm/0.4A
R213
10K
R213
10K
C198
22pF/50V
C198
22pF/50V
L11
80ohm/0.4A
L11
80ohm/0.4A
R203
68
R203
68
C359
NC
C359
NC
R207
2K
R207
2K
D7
NC/VPORT0603
D7
NC/VPORT0603
1
2
R649
47
R649
47
C147
0.01uF/16V
C147
0.01uF/16V
D9
NC/VPORT0603
D9
NC/VPORT0603
1
2
Q18
KN3904S
Q18
KN3904S
2
1
3
R75
1K
R75
1K
C294
0.1uF/16V
C294
0.1uF/16V
C203
NC
C203
NC
F
1
6
11
P5
1216-004-15S-1EF
F
1
6
11
P5
1216-004-15S-1EF
5
4
3
2
1
10
9
8
7
6
15
14
13
12
11
P2
P1
R198
10K
R198
10K
D5
NC/VPORT0603
D5
NC/VPORT0603
1
2
R362
82K
R362
82K
R200
100
R200
100
D12
NC/VPORT0603
D12
NC/VPORT0603
1
2
C142
0.01uF/16V
C142
0.01uF/16V
C204
NC
C204
NC
R210
10K
R210
10K
R204
75
R204
75
C199
NC/5pF/50V
C199
NC/5pF/50V
C223
22pF/50V
C223
22pF/50V
C221
22pF/50V
C221
22pF/50V
R94
4K7
R94
4K7
R271
100
R271
100
R208
75
R208
75
R217
10K
R217
10K
R96
47K
R96
47K
R205
100
R205
100
D3
NC/VPORT0603
D3
NC/VPORT0603
1
2
R201
0
R201
0
D6
NC/VPORT0603
D6
NC/VPORT0603
1
2
R214
75
R214
75
C146
0.01uF/16V
C146
0.01uF/16V
R763
0
R763
0
C194
5pF/50V
C194
5pF/50V
R212
2K
R212
2K
L9
80ohm/0.4A
L9
80ohm/0.4A
R
L
P3
PHONEJACK STEREO
PH_WTJ035-04
R
L
P3
PHONEJACK STEREO
PH_WTJ035-04
1
3
2
4
5
D1
NC/VPORT0603
D1
NC/VPORT0603
1
2
R218
10K
R218
10K
D11
BAT54C-7-F
D11
BAT54C-7-F
1
2
3
Q42
KN3904S
Q42
KN3904S
2
1
3
C246
1000pF/50V
C246
1000pF/50V
R476
4K7
R476
4K7
C196
NC/5pF/50V
C196
NC/5pF/50V
C192
5pF/50V
C192
5pF/50V
C234
4.7uF/10V
C234
4.7uF/10V
R296
0
R296
0
C201
NC
C201
NC
R357
82K
R357
82K
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
MUTE_lineout
AR1_OUT
AL1_OUT
AR1
AL1
AL1
AR1
AL1_OUT
AR1_OUT
GND
AV_3V3
MUTE_lineout
13
MUTE_lineout
13
AL1
8
AR1
8
GND
1,2,3,4,5,6,7,8,9,10,11,13,14,15,16
MODEL
Sheet
REV:
of
CIRCUITY
PCB REV:
PCB FILE :
PCB P/ N:
ECN NO:
TECHNOLOGY
APPROVED BY:
CHECKED BY:
SCH FILE :
DATE:
DESIGN BY:
AUDIO/LINE OUT/HP
47LV4400(364705220150)
12
17
017122714132.BRD
2.0
2.0
364213320150_PCN0000627.DSN
017122714132
Monday, August 29, 2011
42LV4400(364213320150)
PCN0000627 / PCN0000637
MODEL
Sheet
REV:
of
CIRCUITY
PCB REV:
PCB FILE :
PCB P/ N:
ECN NO:
TECHNOLOGY
APPROVED BY:
CHECKED BY:
SCH FILE :
DATE:
DESIGN BY:
AUDIO/LINE OUT/HP
47LV4400(364705220150)
12
17
017122714132.BRD
2.0
2.0
364213320150_PCN0000627.DSN
017122714132
Monday, August 29, 2011
42LV4400(364213320150)
PCN0000627 / PCN0000637
MODEL
Sheet
REV:
of
CIRCUITY
PCB REV:
PCB FILE :
PCB P/ N:
ECN NO:
TECHNOLOGY
APPROVED BY:
CHECKED BY:
SCH FILE :
DATE:
DESIGN BY:
AUDIO/LINE OUT/HP
47LV4400(364705220150)
12
17
017122714132.BRD
2.0
2.0
364213320150_PCN0000627.DSN
017122714132
Monday, August 29, 2011
42LV4400(364213320150)
PCN0000627 / PCN0000637
05/11 Add  resister
C561
100pF/50V
C561
100pF/50V
R858
10K_F
R858
10K_F
R862
5K11_F
R862
5K11_F
C253
470pF/50V
C253
470pF/50V
C571
1uF/16V
C571
1uF/16V
C95
10uF/10V
C95
10uF/10V
D16
NC/VPORT0603
D16
NC/VPORT0603
1
2
R860
10K_F
R860
10K_F
C100
10uF/10V
C100
10uF/10V
R
L
P12
PHONEJACK STEREO
PH_WTJ035-04
R
L
P12
PHONEJACK STEREO
PH_WTJ035-04
1
3
2
4
5
R689
470
R689
470
C563
100pF/50V
C563
100pF/50V
C270
1000pF/50V
C270
1000pF/50V
R871
100K
R871
100K
R867
10K
R867
10K
Q69
KN3904S
Q69
KN3904S
2
1
3
U53
DRV632PWR
U53
DRV632PWR
+INR
1
-INR
2
OUTR
3
SGND
4
EN
5
VDD
6
CN
7
CP
8
PVDD
9
PGND
10
NC
11
OUTL
12
-INL
13
+INL
14
C568 1uF/16V
C568 1uF/16V
R861
5K11_F
R861
5K11_F
C264
470pF/50V
C264
470pF/50V
L53
80ohm/6A
L53
80ohm/6A
R896
10K
R896
10K
D17
NC/VPORT0603
D17
NC/VPORT0603
1
2
R850
15K_F
R850
15K_F
C389
0.1uF/16V
C389
0.1uF/16V
R688
470
R688
470
R872
0
R872
0
R848
15K_F
R848
15K_F
C390
10uF/16V
C390
10uF/16V
C269
1000pF/50V
C269
1000pF/50V
R868
NC/100K
R868
NC/100K
R873
NC/0
R873
NC/0
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Page of 127
Display

Click on the first or last page to see other 42LV4400 LC420EUG-RDV2-7R1 service manuals if exist.

RANDOM: