Philips 32PFL5404/60, Руководство по обслуживанию

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Alignments EN 16 TPM3.1E LA 6.
2009-Jun-26
6. Alignments
Index of this chapter:
6.1 General Alignment Conditions
6.2 TV Mode display adjust
6.3 PC mode Display Adjustment
6.4 Serial Number Definition
Note: The Service Mode are described in chapter 5. Menu
navigation is done with the CURSOR UP, DOWN, LEFT or
RIGHT keys of the remote control transmitter.
6.1 General Alignment Conditions
Perform all electrical adjustments under the following
conditions:
•
Power supply voltage (depends on region):
–
195 V to 264 V
AC
, 50/60
±
3 Hz.
• Connect the set to the mains via an isolation transformer
with low internal resistance.
• Allow the set to warm up for approximately 15 minutes.
• Measure voltages and waveforms in relation to correct
ground (e.g. measure audio signals in relation to
AUDIO_GND).
Caution: It is not allowed to use heatsinks as ground.
• Test probe: R
i
> 10 M
Ω
, C
i
< 20 pF.
• Use an isolated trimmer/screwdriver to perform
alignments.
6.2 TV Mode display adjust
6.2.1 White balance adjustment
General set-up:
• Equipment Requirements: Colour analyser.
• Input requirements:
Input Signal Type:
–
RF signal
– Set to PAL B/G system, frequency is decided in factory
– Pattern is white of 100%
• Input Signal Strength: 10 mV (80 dB
μ
V) terminal voltage.
• Input Injection Point: TV Tuner input
Colour Temp Alignment
Apply full white pattern, and smart picture setting to be
standard (Brightness 50, Contrast 50, and Colour 50).
Adjusting SCALER GAIN R G B to reach W/D and luminance
in factory mode as below.
Adjust the colour temperature in the factory mode OSD by
adjusting RGB Gain from 127. The CIE1931 chromaticity (X, Y)
co-ordinates shall be:
Table 6-1 Reading with Minolta CA-210
If you do not have a colour analyser, you can use the default
values. This is the next best solution. The default values are
average values coming from production (statistics).
•
Select a COLOUR TEMPERATURE (e.g. COOL,
NORMAL, or WARM).
• Set the RED, GREEN and BLUE default values according
to the values in
Table 6-2 .
• When finished return to the SAM root menu and press
STANDBY
on the RC to store the aligned values to the
NVM.
Table 6-2 Tint settings
Luminance:
–
>360 cd/m2 for AUO T315XW02
– >400 cd/m2 for LGD LC320WXE
In the centre of the screen when Smart mode at “Vivid” or set
brightness to 100.
Note: These group settings about colour temp are also applied
automatically into HDMI1/HDMI2/Side HDMI/CVI1/CVI2/SIDE
AV/VGA. That means TV/HDMI/CVI/PC are used the same
setting.
6.3 PC mode Display Adjustment
Auto colour adjustment
Set Brightness 100 and Contrast 50 and apply 1024 × 768 at
60 Hz mode with 50 Black and 50 White pattern at the factory
mode.
Activate AUTO-COLOR function for auto ADC offset and gain
setup.
Figure 6-1 50-Black 50-White
Colour temperature alignment is automatically set during TV
alignment.
Apply full white pattern, check picture must satisfy following
table.
Table 6-3 Reading with Minolta CA-210
If you do not have a colour analyser, you can use the default
values. This is the next best solution. The default values are
average values coming from production (statistics).
•
Select NORMAL COLOUR TEMPERATURE.
• Set the RED, GREEN and BLUE default values according
to the values in the “Tint settings” table.
• When finished return to the SAM root menu and press
STANDBY
on the RC to store the aligned values to the
NVM.
Table 6-4 Tint settings
Colour Temp x y
Normal 0.289
±
0.004 0.291
±
0.004
Warm 0.314
±
0.004 0.319
±
0.004
Cool 0.278
±
0.004 0.278
±
0.004
Colour Temp R G B
Normal 85 74 85
Warm 84 63 49
Cool 75 63 85
Colour Temp x y
Normal 0.289
±
0.015 0.291
±
0.015
Colour Temp R G B
Normal 85 74 85
1 8 400_20 3 _090 3 01.ep s
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