Acer X193HQ Series, Service Manual

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5. Level 1 Cosmetic / Appearance / Alignment Service
5.1 Alignment procedure (for function adjustment)
A list of necessary alignments for the LCD monitor:
Items Description Remark
1 Timing adjustment Preset timing
2 White balance adjustment 1. Burn In: On
2. User Mode
3. SXGA 1024
1280X1024@75Hz
Pattern 42(5-Mosaic)
3 Color temperature adjustment Cool (9300K)
Warm(6500K)
User
4 Writing EDID file Analog and Digital
5.1.1 Preparation:
1. Setup input timing to any preset mods or patterns.
2. Enter factory mode (press “e-Key” then press “power” button to turn on monitor).
3. Move Black cursor into “BURN IN MODE” tag and select “ON” to enable burn-in mode.
4. Power off the monitor, remove the input source and then power on again.
5. Setup unit and keep it warm up for at least 30 minutes.
5.1.2 Timing adjustment: (Analog only, it is not required for DVI-D input source)
1. Enter factory mode (press “e-Key” then press “power” button to turn on monitor).
2. Select timing mode from table 1 and input full screen display pattern to monitor.
3. Press “Auto-Key” to run “AUTO adjustment” function for geometry adjustment.
4. Clear user area in EEPROM.
5. Check if the position, phase and clock of the image are ok or acceptable to make sure function
and performance are ok.
6. Turn off the monitor power.
7. Turn on the monitor power again to check if monitor’s image settings are ok and with following
settings.
CONTRAST = 50
BRIGHTNESS = 85
COLOR = Warm (default setting)