Service manual

2-2 Factory Preset Timing
This timing chart is already preset for the TFT LCD monitors.
ViewSonic Corporation
4
Confidential --Do Not Copy VG150m/mb
Timing Horizontal
Polarity
Horizontal
Frequency
Vertical
Polarity
Vertical
Frequency
VGA 640x350 + 31.47 kHz - 70.09 Hz
VGA 720x400 - 31.46 + 70.08
VGA 640x400 - 31.46 + 70.08
VGA 640x480 - 31.47 - 60.05
VESA 640x480 - 37.86 - 72.81
VESA 640x480 - 37.50 - 75.00
MAC 640x480 Composite 35.00 Ѻ 66.66
VESA 800x600 + 35.15 + 56.25
VESA 800x600 + 37.87 + 60.31
VESA 800x600 + 48.07 + 72.18
VESA 800x600 + 46.87 + 75.00
MAC 832x624 SOG 37.86 Ѻ 72.80
VESA 1024x768 - 48.36 - 60.00
VESA 1024x768 - 56.47 - 70.06
VESA 1024x768 - 58.03 - 71.91
VESA 1024x768 + 60.02 + 75.02
MAC 1024x768 Composite 60.24 Ѻ 74.92