Philips 190S5CB/00, Service Manual

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190S5 LCD GENERAL PRODUCT SPECIFICATION
19 inch LCD MONITOR
TYPE : 190S5CG/00
BRAND : PHILIPS
8639 000 15166
2004-01-16
2004-01-16
590 15
20
IVONE LEE
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4.5 Brightness uniformity
Set contrast at 70% and turn the brightness to get average above 200 nits at center of the screen.
Apply the Fig 1. It should comply with the following formula:
Minimum luminance of nine points (brightness)
>= 0.75 (Min)
Maximum luminance of nine points (brightness)
4.6Check Cross talk (S)
Apply Pattern 2. Set contrast at 70 % and brightness at 100 %. Measure A. Then output Pattern
3 and measure A'. The cross talk value:
ABS ( A - A' )
X 100 % < 1.5 % (Max)
A
4.7White color adjustment
There are two factory preset white color 9300K, 6500K.
Apply full white pattern, with brightness in 70 % position and the contrast control at 70 % position.
The 1931 CIE Chromaticity (color triangle) diagram (x,y) coordinate for the screen center should be:
9300K CIE coordinates X = 0.283+/- 0.020
Y = 0.297+/- 0.020
6500K CIE coordinates X = 0.313 +/- 0.020
Y = 0.329 +/- 0.020
5.0Mechanical characteristics
5.1Controls
Front side:
DC power switch
OSD function key
UP/DOWN (Brightness key)
LEFT/RIGHT (Input Select)
Auto key
Rear:
Video signal cable
Power cord socket
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