ViewSonic VX712, Service Manual

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ViewSonic Corporation
Confidential - Do Not Copy
VX712
5.4 Factory Defaults
Item Defaults Item Defaults
Contrast 70% Sharpness 33%
Brightness 100% OSD H. Position 50%
Volume 50% OSD V. Position 50%
Balance 50% OSD Time Out 15 Sec
Bass 50% OSD Background On
Treble 50% OSD PIVOT Off
Color Temperature 6500K Resolution Notice Enabled
720x400/640x400 720x400
5.5 Function Test
1 Product: 17” LCD Monitor
2 Test Equipment: Color Video Signal & Pattern (or PC with SXGA resolution and a sound
card)
3 Test Condition: Before function test and alignment, each LCD Monitor should be warmed
up for at least 30 minutes with the following conditions:
(a)In room temperature,
(b) With full-white screen, RGB, and Black
(c) With cycled display modes,
640*480 (H=43.27kHz, V=85Hz)
800*600 (H=53.7kHz, V=85Hz)
1024*768 (H=68.67kHz, V=85Hz)
1280*1024 (H=79.97kHz, V=75Hz)
4 Test Display Modes & Pattern
Compatible Modes
Item Timing Analog Digital
1 640 x 350 @ 70Hz, 31.5kHz Yes Yes
2 640 x 400 @ 60Hz, 31.5kHz Yes Yes
3 640 x 400 @ 70Hz, 31.5kHz Yes Yes
4 640 x 480 @ 50Hz, 24.7kHz Yes Yes
5 640 x 480 @ 60Hz, 31.5kHz Yes Yes
6 640 x 480 @ 67Hz, 35.0kHz Yes Yes
7 640 x 480 @ 72Hz, 37.9kHz Yes Yes
8 640 x 480 @ 75Hz, 37.5kHz Yes Yes
9 640 x 480 @ 85Hz, 43.27kHz Yes Yes