42LH20R, 42LH22R, 42LH23UR, 42LH25R (CHASSIS:LP91A) - LG TV Service Manual (repair manual). Page 6

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- 6 -
SPECIFICATION
NOTE : Specifications and others are subject to change without notice for improvement.
1. Application range
This spec sheet is applied to LCD TV used LP91A chassis.
2. Specification
Each part is tested as below without special appointment.
1) Temperature :  25±5ºC (77±9ºF), CST : 40±5ºC
2) Relative Humidity :  65±10%
3) Power Voltage : Standard input voltage(100~240V@50/60Hz)
* Standard Voltage of each products 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: CE, IEC specification
- EMC : CE, IEC
No.
Item Min.
Typ.
Max.
Unit
Maker
Remark
1.
Luminance
400
500
cd/m
2
(W/O PC mode)
2.
VIew angle (R/L, U/D)
178 / 178
degree
LGD
3.
Color Coordinates
White
Wx
Typ 
0.279
Typ 
LGD  42”(HD)
Wy
-0.03
0.292
+0.03
LC420WXE-SBA1
RED
Xr
0.637
Yr
0.335
Green
Xg 0.290
Yg 0.611
Blue
Xb 0.145
Yb
0.062
4.
Contrast ratio
800:1
1200:1
5. Luminance 
Variation 
1.3
4. Chroma& Brightness (Optical)
(1) LCD Module
the Color Coordinates check condition 
- 50cm from the surface, Full White Pattern
- Picture mode Vivid
1) LGD Module
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