Philips 26MF605W/17, Service Manual

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18 26MF605W/17
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Electrical Instructions
2. Select Smart picture to Personal mode and check the x, y data.
Input Signal Strength : 10mV (80 dBuV) terminal voltage.
Input Injection Point : TV Tuner input
Alignment method:
Initial Set-up :
1.Set TV(7119) Brightness=142; Saturate =64,
Contrast =68 in Factory mode(can be fine tuned).
2. Set Smart picture as Personal
3. Apply 100% Full White pattern by TV pattern
generator.
Alignment : Adjust the VIDEO SCALER GAIN RG B in
Factory Mode NORMAL . (See Fig 1.) [ Enter factory
menu : press VOL+ and VOL- keys together around six
seconds]
1. Check (X, Y) co-ordinates as below:
Table 3: Reading with Minolta CA-110.
2. Check the gray pattern should be distinguish and
color bar is correct
4.1.2 Set TV Color temperature in Factory mode as WARM ,
and COOL The VIDEO SCALER GAIN R\G\B value will be
followed below
.
Picture Mode
x y
Normal (Original)
0.289
±
0.005 0.304
±
0.005
Normal/ the R \G \B
are gain after alignment. WARM
COOL
R gain R R R -10
G gain G G -10 G -10
B gain B B -10 B
5. PC mode Display Adjustment
5.1 Display quality adjustment
Use timing mode as describe in 2.2, and use the POPO (pixel on pixel
off) pattern to adjust the clock until no stripe and adjust the phase until
clear picture.
Check all pre-set 6 modes.
5.2 WHITE-D adjustment (B)
5.2.1 At factory mode apply 1280X720 @60Hz mode with 32 gray
pattern.
Set smart picture at Normal , and Brightness to 50% and
Contrast to 50%.
Press AUTO-COLOR function for auto ADC offset and gain setup.
5.2.2 Apply full white pattern Set SCALER GAIN R G B = VIDEO
SCALER GAIN R G B.
1. Check (X, Y) co-ordinates as below :
Table 4: Reading with Minolta CA-110.
2. Check the gray level color poor & noise condition and chromaticity
Note: 1. Use Minolta CA-110 for color coordinates and luminance check.
2. Luminance> 400 cd/m
2
in the center of the screen at
Original (NORAML)color and PC Brightness control; Contrast
control at 100%
5.2.3 Set Smart picture as WARM , and COOL
The SCALER GAIN R\G\B value will be followed below
.
5.3 Check the digital interface cable (B)
Check the 64 gray level color poor & noise condition.
Normal/ (8500
°
K)
x (center) 0.289
±
0.015
y (center) 0.304
±
0.015
Normal/ the R \G \B
are gain after alignment.
WARM COOL
R gain R R R -10
G gain G G -10 G -10
B gain B B -10 B
6. HDTV Mode display adjust
6.1 White balance adjustment (B)
General set-up:
Equipment
: Quantum Data Pattern Generator 801GD or 802G.
Apply 1080i, RGBW(177=Infocus2) gray pattern.
Or FLUKE 54200, apply 576i, DIGITAL SCAN/DIGI_ADC1 pattern.