Level 1 Cosmetic / Appearance / Alignment Service; Alignment Procedure (For Function Adjustment) - Acer G225HQ Service Manual

5. Level 1 Cosmetic / Appearance / Alignment Service

5.1 Alignment procedure (for function adjustment)

5.1.1 Preparation:
1.) Setup input timing to any preset modes or patterns.
2.) Enter factory mode (press "Empowering" & "Power" buttons at the same time to turn on monitor).
3.) Move 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.
6.) Setup input timing ICL-605( 1280x1024@75Hz ), 32-Grays pattern.
7.) Setup unit and keep it warm up at least 30 minutes.
5.1.2 Timing adjustment: (Analog only, it is not required for DVI-D input source)
1.) Enter factory setting area (press "Empowering" and then press "SOFTPOWER").
2.) Check the settings to following values:
Contrast = 50
Brightness = 77
Color = Warm
Language = English
Then, turn off the monitor power.
3.) Turn on power enter user area.
Figure-1: Preset Timing modes list
Resolution
Mode
(active dot)
640x480@60Hz
640x480@72Hz
MAC 640x480@66.66Hz
VESA 720x400@70Hz
800x600@56Hz
SVGA 800x600@60Hz
800x600@72Hz
1024x600@60Hz
1024x768@60Hz
XGA
1024x768@70Hz
Resolution Horizontal
(total dot) Frequency (KHz)
800 x 525 31.469
832 x 520 37.861
864x525 35
900x449 31.469
1024 x 625 35.156
1056 x 628 37.879
1040 x 666 48.077
1312x622 37.320
1344x806 48.363
1328x806 56.476
- 35 -
Vertical Nominal Pixel
Frequency (Hz) Clock (MHz)
59.941 25.175
72.809 31.500
66.66 30.24
70.087 28.322
56.250 36.000
60.317 40.000
72.188 50.000
60.000 48.964
60.004 65.000
70.069 75.000