Philips 202E1SB2/69, Service Manual

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202E1SB2 LCD
General Product Specification
3.11 Hot-key definition
+27.(<[OV
Any deviation between document and sample, please refer to Philips approved sample.
3.12 Smart contrast
Smart Contrast is a kind of backlight control.
This function changes panel backlight according to the frame brightness histogram.
At least the minimum contrast ratio has to be 25000(typ) .
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Unless otherwise specified, this specification is defined
under the following conditions.
(1) Input signal : As defined in 3.3, 1600 * 900
non-interlaced mode (1600 * 900@60Hz 108MHz), signal
sources must have 75 ohm output impedance.
(2) Luminance setting : controls to be set to 250 /200nits with
full screen 100 % duty cycle white signal
(3) Warm up: more than 30 minutes after power on with signal supplied.
(4) Ambient light: 400 -- 600 lux.
(5) Ambient temperature: 20 ± 5
q
C
4.2 Brightness
To follow Panel specification.
4.3 Image size
Actual display size :
Refer to 2.1 LCD PANEL spec.
4.4 Brightness uniformity
Set contrast at 100% and turn the brightness to get average above 300 nits