DOWNLOAD LG 42LK450 (CHASSIS:LA01U) Service Manual ↓ Size: 5.34 MB | Pages: 72 in PDF or view online for FREE

Model
42LK450 (CHASSIS:LA01U)
Pages
72
Size
5.34 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
42lk450-chassis-la01u.pdf
Date
PREV: LG 42LK450 (CHASSIS:LA01M) Service Manual

LG 42LK450 (CHASSIS:LA01U) Service Manual ▷ View online

1. Application range
This spec sheet is applied LCD TV with 32”, 37”, 42”, 47”, 55”
LA01U chassis. 
2. Requirement for Test
Each part is tested as below without special appointment.
1) Temperature:  25 ºC  ± 5 ºC 
2) Relative Humidity:  65  ± 10 %
3) Power Voltage : Standard input voltage(100-240V~, 50/60Hz)
* Standard Voltage of each product is marked by models
4) Specification and performance of each parts are followed
each drawing and specification by part number in
accordance with BOM.
5) The receiver must be operated for about 5 minutes prior to
the adjustment.
3. Test method
1) Performance: LGE TV test method followed 
2) Demanded other specification 
- Safety : UL, CSA, IEC specification 
- EMC: FCC, ICES, IEC specification 
- 6 -
SPECIFICATION
NOTE : Specifications and others are subject to change without notice for improvement.
4. General Specification(TV)
No
Item
Specification
Remark
1
Receivable System
1) ATSC / NTSC-M 
2
Available Channel
1) VHF : 02 ~ 13
2) UHF : 14 ~ 69
3) DTV : 02 ~ 69
4) CATV : 01 ~ 135
5) CADTV : 01 ~ 135
3
Input Voltage
1) AC 100 - 240V~  50/60Hz   
Mark : 110V, 60Hz (N.Ame
4
Market
5
Screen Size
32 inch Wide (1920x1080) 
FHD + 60Hz 
32LK450-UB 
37 inch Wide (1920x1080) 
FHD + 60Hz 
37LK450-UB 
42 inch Wide (1920x1080)
FHD + 60Hz 
42LK450-UB 
47 inch Wide (1920x1080) 
FHD + 60Hz 
47LK450-UB 
6
Aspect Ratio
16:9
7
Tuning System
FS
8
LCD Module
T315HW04-V9 
AUO 
32LK450-UB 
LC370WUE-SCA1 LGD 
37LK450-UB 
T370HW03-VN AUO 
 
37LK450-UB
LC420WUE-SCA2 LGD 
42LK450-UB
T420HW09-V0 AUO 
 
42LK450-UB
LC470WUE-SCA2 LGD 
47LK450-UB 
9
Operating Environment
Temp  : 0 ~ 40 deg
Humidity : ~ 80 %
10
Storage Environment
Temp  : -20 ~ 60 deg
Humidity : -85 %
- 7 -
5. Chrominance & Luminance
No.
Item
Min
Typ
Max
Unit
Remarks
1
Max Luminance 
320
400
cd/m
2
32/37/42LK450-UB(AUO)
(Center 1-point / Full White Pattern) 
360
500
37/42/47LK450-UB(LGD)
2
Luminance uniformity
3
Color coordinate
RED
X
Typ.
0.64
Typ.
32LK450-UB(AUO)
(Default)
Y
-0.03
0.33
+0.03
GREEN
X
0.29
Y
0.60
BLUE
X
0.15
Y
0.06
WHITE
X
0.28
Y
0.29
RED
X
Typ.
0.639
Typ.
37LK450-UB(LGD)
Y
-0.03
0.334
+0.03
GREEN
X
0.289
Y
0.606
BLUE
X
0.145
Y
0.065
WHITE
X
0.279
Y
0.292
RED
X
Typ.
0.640
Typ.
37LK450-UB(AUO)
Y
-0.03
0.330
+0.03
GREEN
X
0.281
Y
0.590
BLUE
X
0.144
Y
0.060
WHITE
X
0.280
Y
0.290
RED
X
Typ.
0.636
Typ.
42LK450-UB(LGD)
Y
-0.03
0.335
+0.03
GREEN
X
0.291
Y
0.603
BLUE
X
0.146
Y
0.061
WHITE
X
0.279
Y
0.292
RED
X
Typ.
0.640
Typ.
42LK450-UB(AUO)
Y
-0.03
0.330
+0.03
GREEN
X
0.281
Y
0.590
BLUE
X
0.144
Y
0.060
WHITE
X
0.280
Y
0.290
- 8 -
RED
X
Typ.
0.639
Typ.
47LK450-UB(LGD)
Y
-0.03
0.334
+0.03
GREEN
X
0.290
Y
0.606
BLUE
X
0.146
Y
0.058
WHITE
X
0.279
Y
0.292
4
Contrast ratio
Module
3200
4000
32/37/42LK450(AUO)
1100
1450
42/47LK450-UB(LGD)
1100
1500
37LK450-UB
DCR
90,000:1
100,000:1
32/37/42/47LK450-UB(LGD) 
30,000:1
40,000:1
32/37/42LK450-UB(AUO)
5
Color Temperature
Cool
0.254 
0.269 
0.284 
13000K The W/B Tolerance is ±0.015
0.258 0.273
0.288
for picture quality by DQA
Medium
0.270
0.285
0.300
9300K
0.278
0.293
0.308
Warm
0.298
0.313
0.324
6500K
0.314
0.329
0.344
- 9 -
6. Component Video Input  (Y, C
B/
P
B
, C
R
/P
R
)
No Resolution 
H-freq(kHz) V-freq.(kHz)  Pixel 
clock 
Proposed 
1. 
720*480 
15.73 
60 
13.5135   
SDTV ,DVD 480I 
2. 
720*480 
15.73 
59.94 
13.5   
SDTV ,DVD 480I 
3. 
720*480 
31.50 
60 
27.027   
SDTV 480P
4. 
720*480 
31.47 
59.94 
27.0   
SDTV 480P
5. 
1280*720 
45.00 
60.00 
74.25   
HDTV 720P
6.
1280*720
44.96
59.94
74.176
HDTV 720P
7. 
1920*1080 
33.75 
60.00 
74.25   
HDTV 1080I
8. 
1920*1080 
33.72 
59.94 
74.176   
HDTV 1080I
9. 
1920*1080 
67.500 
60 
148.50   
HDTV 1080P
10.
1920*1080
67.432
59.94
148.352
HDTV 1080P
11.
1920*1080
27.000
24.000
74.25
HDTV 1080P
12.
1920*1080
26.97
23.976
74.176
HDTV 1080P
13.
1920*1080
33.75
30.000
74.25
HDTV 1080P
14.
1920*1080
33.71
29.97
740176
HDTV 1080P
7. RGB Input (PC)
No Resolution 
H-freq(kHz) V-freq.(kHz)  Pixel 
clock 
Proposed 
PC
DDC
1. 
640*350 
31.468 
70.09 
25.17   
EGA 
X  
2. 
720*400 
31.469 
70.08 
28.32   
DOS 
O 
3. 
640*480 
31.469 
59.94 
25.17   
VESA(VGA) 
O
4.
800*600 
37.879 
60.31 
40.00   
VESA(SVGA) 
O 
5. 
1024*768 
48.363 
60.00 
65.00   
VESA(XGA) 
O 
6.
1280*768
47.776
59.870
79.5
CVT(WXGA)
X
7. 
1360*768 
47.712 
60.015 
85.50  
VESA(WXGA)   
X
8.
1280*1024
63.981
60.020
108.00
VESA(SXGA)              O
9.
1920*1080 
66.587 59.934 138.50 
 
WUXGA
O
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