DOWNLOAD LG 42SL90QD-SA (CHASSIS:LJ91L) Service Manual ↓ Size: 4.82 MB | Pages: 72 in PDF or view online for FREE

Model
42SL90QD-SA (CHASSIS:LJ91L)
Pages
72
Size
4.82 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
42sl90qd-sa-chassis-lj91l.pdf
Date
PREV: LG 42SL90QD-DA (CHASSIS:LT91L) Service Manual

LG 42SL90QD-SA (CHASSIS:LJ91L) 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.
2009.03.23
BCM3549 POWER
BRAZIL DVR DV
R205
20
D1.2V
A3.3V
C2003
0.1uF
D1.8V
D3.3V
C251
0.01uF
C271
4.7uF
C289
0.1uF
C247
0.1uF
D1.8V
C250
1000pF
C248
1000pF
C276
0.1uF
C244
1000pF
C249
4.7uF
C281
1000pF
C294
0.1uF
C246
0.01uF
C264
1000pF
D3.3V
C267
0.01uF
D1.2V
D3.3V
C286
33uF
C258
4.7uF
C265
0.1uF
C216
0.1uF
C254
10uF
C283
1000pF
C285
0.01uF
C297
4.7uF
C2005
0.01uF
C272
0.1uF
C245
4.7uF
C255
1000pF
C288
1000pF
C2006
0.01uF
C287
33uF
C270
0.1uF
C259
1000pF
C293
0.01uF
C291
10uF
C268
1000pF
C263
4.7uF
C266
4.7uF
C278
4.7uF
C257
0.01uF
C2004
33uF
C262
0.01uF
C253
10uF
C284
0.01uF
C252
0.1uF
C282
1000pF
C290
0.01uF
C292
1000pF
C275
0.1uF
C280
4.7uF
C243
0.1uF
D1.2V
C261
0.1uF
D1.8V
C269
0.01uF
C256
0.1uF
C318
0.1uF
16V
C364
0.1uF
16V
C304
0.1uF
16V
C320
0.1uF
16V
C319
0.1uF
16V
C348
0.1uF
16V
D1.8V
C363
0.1uF
16V
C365
0.1uF
16V
C356
0.1uF
16V
C357
10uF
10V
IC100
BCM3556
DVSS_1
AD5
DVSS_2
AD6
DVSS_3
J7
DVSS_4
K7
DVSS_5
L7
DVSS_6
M7
DVSS_7
AB7
DVSS_8
AC7
DVSS_9
G8
DVSS_10
D9
DVSS_11
AA9
DVSS_12
G10
DVSS_13
A11
DVSS_14
L11
DVSS_15
M11
DVSS_16
N11
DVSS_17
P11
DVSS_18
R11
DVSS_19
T11
DVSS_20
U11
DVSS_21
V11
DVSS_22
D12
DVSS_23
G12
DVSS_24
L12
DVSS_25
M12
DVSS_26
N12
DVSS_27
P12
DVSS_28
R12
DVSS_29
T12
DVSS_30
U12
DVSS_31
V12
DVSS_32
L13
DVSS_33
M13
DVSS_34
N13
DVSS_35
P13
DVSS_36
R13
DVSS_37
T13
DVSS_38
U13
DVSS_39
V13
DVSS_40
G14
DVSS_41
L14
DVSS_42
M14
DVSS_43
N14
DVSS_44
P14
DVSS_45
R14
DVSS_46
T14
DVSS_47
U14
DVSS_48
V14
DVSS_49
L15
DVSS_50
M15
DVSS_51
N15
DVSS_52
P15
DVSS_53
R15
DVSS_54
T15
DVSS_55
U15
DVSS_56
V15
DVSS_57
A16
DVSS_58
G16
DVSS_59
L16
DVSS_60
M16
DVSS_61
N16
DVSS_62
P16
DVSS_63
R16
DVSS_64
T16
DVSS_65
U16
DVSS_66
V16
DVSS_67
AA16
DVSS_68
D17
DVSS_69
L17
DVSS_70
M17
DVSS_71
N17
DVSS_72
P17
DVSS_73
R17
DVSS_74
T17
DVSS_75
U17
DVSS_76
V17
DVSS_77
AA17
DVSS_78
AC19
DVSS_79
G18
DVSS_80
L18
DVSS_81
M18
DVSS_82
N18
DVSS_83
P18
DVSS_84
R18
DVSS_85
T18
DVSS_86
U18
DVSS_87
V18
DVSS_88
D20
DVSS_89
G20
DVSS_90
H20
DVSS_91
A21
DVSS_92
E21
DVSS_93
F21
DVSS_94
G21
DVSS_95
E22
DVSS_96
F22
DVSS_97
G22
DVSS_98
H22
DVSS_99
J22
DVSS_100
K22
DVSS_101
L22
DVSS_102
M22
DVSS_103
N22
DVSS_104
P22
DVSS_105
R22
DVSS_106
T22
DVSS_107
U22
DVSS_108
V22
DVSS_109
W22
DVSS_110
Y22
DVSS_111
AA22
DVSS_112
W23
DVSS_113
AB23
DVSS_114
F28
DVSS_115
M28
DVSS_116
T28
DVSS_117
AC28
IC100
BCM3556
VDDC_1
H8
VDDC_2
J8
VDDC_3
K8
VDDC_4
L8
VDDC_5
M8
VDDC_6
N8
VDDC_7
P8
VDDC_8
R8
VDDC_9
AA8
VDDC_10
H9
VDDC_11
H10
VDDC_12
H11
VDDC_13
H12
VDDC_14
H13
VDDC_15
H14
VDDC_16
H15
VDDC_17
H16
VDDC_18
H17
VDDC_19
H18
VDDC_20
H19
VDDC_21
H21
VDDC_22
J21
VDDC_23
K21
VDDC_24
L21
VDDC_25
M21
VDDC_26
N21
VDDC_27
P21
VDDC_28
R21
VDDC_29
T21
VDDC_30
U21
VDDC_31
V21
VDDC_32
W21
VDDC_33
Y21
AGC_VDDO
AH27
VDDO_1
AA12
VDDO_2
AA13
VDDO_3
AA18
VDDO_4
AA19
VDDO_5
E28
VDDO_6
L28
VDDO_7
U28
VDDO_8
AB28
DDRV_1
A9
DDRV_2
G9
DDRV_3
G11
DDRV_4
G13
DDRV_5
A14
DDRV_6
G15
DDRV_7
G17
DDRV_8
A19
DDRV_9
G19
15
13
JANG.J.H
A
B
C
D
E
F
G
H
I
J
1
2
3
4
5
6
7
USB DOWN STREAM
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.
2009.03.23
BRAZIL VENUS
C711
0.1uF
16V
R701
0
R703
0
RS232C_RxD
A3
BCM_RX
9:G6
BCM_TX
9:G6
C712
47uF
16V
+5.0V
IC702
MC14053BDR2G
0ISTL00024A
3
Z1
2
Y0
4
Z
1
Y1
6
INH
5
Z0
7
VEE
8
VSS
9
C
10
B
11
A
12
X0
13
X1
14
X
15
Y
16
VDD
+5V_ST
R705
0
RS232_BYPASS
R702
0
RS232_BYPASS
UCOM_RX
12:D4
UCOM_TX
12:D4
RS232C_TxD
A3
R706
4.7K
R_RS232_SWITCHING
R704
100K
USB_OCD1
10:D4
USB_CTL1
10:D5
USB_DP2 10:D4
R717
47
D705
5.6V
CDS3C05GTA
OPT
USB_DM1
10:D4
BLUETOOTH_RESET
C716
0.1uF
16V
D3.3V
D706
5.6V
CDS3C05GTA
OPT
D703
5.6V
CDS3C05GTA
OPT
USB_DM2
10:D4
D704
5.6V
CDS3C05GTA
OPT
D3.3V
VREG_CTRL
L708
BLM18PG121SN1D
IC701
MIC2009YM6-TR 
3
ENABLE
2
GND
4
FAULT/
1
VIN
6
VOUT
5
ILIMIT
USB_DP1
10:D4
R718
2.7K
R721
2.7K
R720
0
R719
0
JP712
JP711
JP713
+5V_ST
USB_POWER_OUT_2
USB_POWER_OUT_2
R722
27
R723
27
C714
100uF
C715
100uF
16V
P702
12507WR-10L
1
2
3
4
5
6
7
8
9
10
11
L709
MLB-201209-0120P-N2
USB_5VST
L706
MLB-201209-0120P-N2
L707
CB3216PA501E
ZD703
C708
0.1uF
UCOM_SCL_3.3V
12:F6
L704
BG2012B080TF
L705
CB3216PA501E
C706
0.1uF
KEY2
12:H3
D701
C
D
S
3
C
0
5
H
D
M
I
1
C707
1000pF
50V
OPT
L703
BG2012B080TF
ZD701
+5V_ST
UCOM_SDA_3.3V
12:F6
KEY1
12:H3
C705
1000pF
50V
OPT
C704
0.1uF
D702
C
D
S
3
C
0
5
H
D
M
I
1
R710
10K
LED_WARM_STBY
+3.3V_ST
R712
0
Q702
2SC3052
OPT
E
B
C
R715
120K
OPT
R711
0
OPT
C710
0.1uF
16V
C702
100pF
ZD702
OPT
IR
12:D4;A3
L701
BG2012B080TF
C703
1000pF
50V
L702
CB3216PA501E
C701
0.1uF
+3.3V_ST
R708
0
OPT
R713
0
RL_ON
R707
10K
Q701
2SC3052
E
B
C
R709
4.7K
+3.3V_ST
C709
0.1uF
16V
R714
0
OPT
LED_POWER_ON
JK702
KJA-UB-4-0004
1
2
3
4
5
C713
10uF
16V
P701
12507WS-12L
1
SCL
2
SDA
3
GND
4
KEY1
5
KEY2
6
5V_ST
7
GND
8
WARM_ST
9
IR
10
GND
11
3.3V_ST
12
POWER_ON
13
GND
R716
130
L710
MLB-201209-0120P-N2
USB_+5V
+5.0V
JP715
JP716
15
14
RS232_SWITCHING
BCM Tolerance
USB JACK & USB +5V Current Protection
Blue Tooth
Make this trace minimum 12 mil
DO.J.G
CONTROL IR/BT/USB
Not enough space
CONTROL IR & LED
A
B
C
D
E
F
G
H
I
J
1
2
3
4
5
6
7
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.
2009.03.23
BRAZIL VENUS
GAIN_SWITCH
RF_SWITCH
R5007
22
C5012
0.01uF
SCL0_3.3V
3:T26
R5012
0
R5009
22
C5021
0.01uF
R50000
LGIT
TU_SYNC
3:T27
TU_+5.0V
R5019
56
OPT
TU_+5.0V
R5006
22
GAIN_SWITCH
3:T24
Q5000
2SA1530A-T112-1R
E
B
C
C5011
0.1uF
L5002
L5000
LGIT
C5003
22pF
50V
LGIT
LD5001
SAM2333
A2[GN]
C
A1[RD]
R5020
12K
C5018
22uF
C5016
0.1uF
TU_SIF
3:T25
GND
R5018
56
C5010
22uF
C5005-*1
0.1uF
50V
LGIT
R50020 LGIT
TU_SCLK
3:T27
C5001
22pF
50V
LGIT
R5024
470
TU_SDATA
3:T27
L5006
C5019
0.01uF
C5017
0.1uF
R5013
0
R5005
22
R5004
0
R5023
1K
TU_CVBS_IN
3:T25
C5002
0.1uF
50V
LGIT
C5000
22uF
16V
LGIT
L5007
TUNER_RESETb
3:T26
C5005
2200pF
50V
R5008
22
R5014
0
R50010 LGIT
TU101
VA1G5BF8005
SHARP
14
RSEORF
13
SCL
5
AFT
12
SDA
11
RESET
2
GAIN_SW
10
B4
4
B1
1
RF_SW
17
SRDT
9
B3
8
B2
3
BB
16
SPBVAL
7
VIDEO
6
SIF
15
SBYTE
18
SRCK
19
SHIELD
C5014
22uF
TU_+5.0V
D3.3V
L5005
D3.3V
L5004
C5020
0.1uF
C5007
2200pF
50V
RF_SWITCH
3:T24
R5022
0
OPT
C5009
10uF
16V
R5010
22
R5021
10K
D1.2V
R5015
4.7K
OPT
LD5000
SAM2333
A2[GN]
C
A1[RD]
C5015
22uF
SDA0_3.3V
3:T26
D3.3V
R5025
330
C5023
100uF
16V
C5026
0.33uF
16V
C5029
0.1uF
50V
TU_+5.0V
C5032
0.1uF
16V
IC5002
AS7809DTRE1
2
GND
3
OUTPUT
1
INPUT
L5008
MLB-201209-0120P-N2
IC5001
KIA78R05F
1
VIN
2
VC
3
VOUT
4
NC
5
GND1
6
GND2
C5028
47uF
16V
R
5
0
2
6
1
0
0
D3.3V
C5022
0.1uF
16V
C5030
0.01uF
50V
C5034
4.7uF
10V
OPT
C5033
4.7uF
10V
OPT
C5024
0.1uF
50V
C5025
100uF
16V
+5V
L5010
MLB-201209-0120P-N2
C5031
0.1uF
16V
+12V
L5009
MLB-201209-0120P-N2
C5035
100uF
16V
C5027
0.1uF
50V
C5036
100uF
16V
D2.5V
R5003
82
OPT
L5001
FI-C3216-103KJT
OPT
C5004
91pF
50V
OPT
TU102
TDYR-H071F
LGIT
14
B3[3.3V]
13
B2[2.5V]
5
RF_AGC
12
AIF
11
NC_3
2
RF-GAIN_SW
19
RSEORF
18
SCL
10
NC_2
4
VTU
1
CTR
17
SDA
9
VIDEO_OUT
8
SIF
3
B0[+5V]
16
RESET[SYRSTN]
7
NC_1
6
B1[+5V]
15
B4[1.2V]
24
SHIELD
20
SBYTE
21
SPBVAL
22
SRDT
23
SRCK
15
15
DO.J.G
TUNER
Place close to Pin
A
B
C
D
E
F
G
H
I
J
1
2
3
4
5
6
7
Page of 72
Display

Click on the first or last page to see other 42SL90QD-SA (CHASSIS:LJ91L) service manuals if exist.

RANDOM: