Perfecttune; Power Sensor; Smart Power (Option); Rev : Type M4 241S4 / 241B4 24" Wide 16:9 Lcd Monitor - Philips 241B4LPCS/00 Service Manual

6 241B4LP LCD
3.16 PerfectTune II
A. PerfectTune must be done after warming 30 minutes at least.
B. PerfectTune must be performed after Auto Color.
C. PerfectTune must be conducted through DVI or scaler embedded patterns.
D. Delta E < 2.5
3.17 PowerSensor

3.18 Smart Power (option)

To reduce the power by adjusting backlight, contrast and color.
Algorithm is provided by Supplier.
SmartResponse
3.19
To enhance the Response time when Gary to Gary.
When SmartResponse= on, Response time = 2 mSec (typ.)
OD will only work after 3 frames pass to pretend user see side effect.
When smart Image set to off and color temp set to User define, OD function will work immediately.
SPEAKER
1) Input signal: 1000 mVrms
Loudspeaker (Impedance: 5.25 [F1] Ohm +/-15%): 1.5W+ 1.5 W (typical) , stereo for
RMS
2) earphone
Stereo, > 50mVrms for headphone of 32 . The loudspeakers are muted when
earphone is plugged in.
4

Visual characteristics

4.1

Test conditions

Unless otherwise specified, this specification is defined in following conditions.
(1) Input signal : As defined in 3.3, 1920 x 1080 non-interlaced mode (1920 x 1080 @60 Hz) , signal
(2) Luminance setting : controls to be set to 300 nits with full screen 100 % duty cycle white signal
(3) Warm up: more than 30 minutes after power on with signal supplied.
Rev :
0.1
2011/07/12
Date :
(formerly FGA, FACTORY GAMMA Alignment)
(option, refer to Quick specification table)
(not required for M4 models)
sources must have 75 ohm output impedance.
M4 241S4 / 241B4
Type :
PHILIPS
Brand :
24" Wide 16:9 LCD Monitor
12 of 20
Page :