Philips Compaq fp5315, Service Manual

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HP L1502 58
General Product Specification
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NAME
2838 100 05424
TY
CHECK
SUPERS.
DATE
Property of PHILIPS ELECTRONICS INDUSTRIES (TAIWAN) LTD.-C.E.
10 A4
2003-08-11
HP Wu
15”TFT XGA LCD CMTR
TYPE : AJ6S40/02
BRAND : HP (L1502)
2003-08-11
8639 000 14754
11 590 18
5.3 Panel Luminance
Set to Custom Color, user R.G.B gain at 100%
Measured at center point as pattern1
Brightness control Contrast control Light output
100 100 >= 200 nits
5.4 Check brightness uniformity
Set brightness and contrast =100%
Ser color temperature = custom color
Apply the pattern 1.
It should comply with the following formula:
Minimum luminance of 9 points
>= 0.75
Maximum luminance of 9 points
5.5 Back Light Dimming Range
Set the contrast at 100 %,
Set color temperature = custom color
Measure brightness at 0% and 100%
The light output of center (pattern 1)should be comply with
Luminance at brightness 100% - Luminance at brightness 0%
*100% > = 25 %
Luminance at brightness 100%
5.6 Check Cross talk
Set contrast at 50 % and brightness at 100 %.
Apply Pattern 2 and measure A.
Apply Pattern 3 and measure A’.
ABS ( A - A’ )
¾¾¾¾¾¾¾¾¾
* 100 % <= 1.5 %
A
Pattern 1: Brightness and Uniformity (9 points)
1
2 3
7
9
1/10
1/10
4 5 6
8