Technical data

Electrical instruction
20
Magnavox LCD TV
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FACTORY ADJUST MENU
NORMAL
SCALER GAIN R G B
AUTO-COLOR (OK)
ADC OFFSET R G B
ADC GAIN R G B
PC OFFSET R G B
7119 SDTV SAT TINT
TV SHIFT H V
HD SHIFT H V
SHOW LOCK MESSAGE
HDTV ADC OFFSET R G B
HDTV ADC GAIN R G B
VIDEO SCALER GAIN R G B
SCALER HUE
EXIT Value
Fig.1
4. PC mode displayadjustment
4.1Display quality adjustment
Use timing mode as de
s
cribe in 2.2, and use the POPO (pixel on pixel
off) patternto adjust the clock until no stripe and adjust the phase until
clear picture.(AUTO ADJUST hot key:press Volume- and Volume+
keys togetherfor 1 second.)
Check all preset 4 modes.
4.2 WHITE-D adjustment (B)
4.2.1 At factory mode apply1024X768/60Hzmode with 64 gray pattern.
Set main controls Brightness at 50% and Contrast to 50%.
Select AUTO-COLORfunction forADC OFFSETand ADC GAINsetup.
4.2.2 Set smart picture as NORMAL
Set SCALER GAIN R G B
= VIDEO SCALER GAIN R G B (alignment
done).
The 1931 CIE chromaticity (X, Y) co-ordinates shall be:
Readings with Minolta CA-
110.
4.2.3 Set Smart picture as WARM , and COOL The
SCALER GAIN RG B
=
.
4.3 Check the analog interface cable
Check the color poor & noise condition of
64 gray pattern.
Normal/ (8500°K)
Normal/ the R’\G’\B’ are
gain after alignment.
WARM COOL
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5. HDTV mode display adjust ment
5.1 White balance adjustment (B)
General set-up:
Equipment : Quantum Data Pattern Generator 801GD or 802G.
Apply 1080i, RGBWgray pattern.
(Or FLUKE 54200, apply576i, DIGITAL SCAN/DIGI_ADC1 pattern.)
Alignment method:
Initial Set-up : Set Smart picture as Personal, Brightness=50,
Color=50, Contrast=50)Set AUTO-COLOR process.
Alignments :Check chromaticity (X, Y) co-ordinates specification:
If out of specification,fine-tune HDTV ADC Gain
in factory mode.
6. Preset EEPROM data
6.1 EEPROM data has to be preset data according following table.
Factory mode preset.
Function
Preset value
SCALER GAIN
127 127 127
ADC Offset R/G/B
127 127 127
ADC Gain R/G/B
127 127 127
PC OFFset R/G/B
127 127 127
7119 ? brightness
124 (TV,AV,S-video,HD)
7119 Saturation
64 (TV,AV,S-video,HD)
7119 contrast
70 (TV,AV,S-video,HD)
7119 TINT
24 (TV,AV,S-video,HD)
NTSC PAL
170 181
TV shift H
TV shift V
Regular
20 22
HD SHIFT H
HD SHIFT V
See below.
HD ADC OFFset R G B
127 127 127
HD ADC GAIN R G B
127 127 127
Video Scaler Gain
127 127 127
Scaler Hue
50
Picture Mode
Factory mode:
In user Picture alignment