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5. Adjusting Procedure
SERVICE TOOLS & EQUIPMENT REQUIRED
1. SIGNAL GENERATOR:
2. MULTIMETER
3. SCREW DRIVER
4. OSCILLOSCOPE
5. SOLDER IRON
6. SOLDER
Panel adjustment:
1.
Select 1024 x 768@60Hz mode, and Crosshatch pattern
2.
Press " Auto image set up" -------Direct access "2" Key
3.
Brightness set at maximum
4.
Switch pattern to full screen "pixel on/off" pattern with R, B color off and Green on.
Green color level set at level 255.
5.
Adjust VR01 until whole screen display stable and flicker free.
Function Test and Alignment Procedure
Product
15" LCD MONITOR MODEL: VG500-2
Test Equipment
Color Video Signal & Pattern ( XGA 1024 x 768 @ 60 Hz 5 white
block Pattern )
Hot Key
1) All Mode Reset
" and "power" buttons simultaneously and "Power on" with signal hold
Press "
2
on for 3 seconds. The OSD screen will show "Software Version".
ViewSonic Corporation
Chroma 2237 or equivalent
Fluke 45 or equivalent
Tektronik TDS3054 digital oscilloscope or equivalent
17
Confidential – Do Not Copy
VG500-2
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