Service manual

ELECTRICAL REQUIREMENT
Horizontal / Vertical Frequency
Horizontal Frequency 24 – 92 KHZ
Vertical Refresh Rate 50 – 85* HZ.
Maximum Pixel Clock 165 MHz
Sync Polarity Independent of sync polarity.
Timing Table
Analog
Item Timing
Separated Composite SOG
Digital - TMDS
Remark
1 640 x 350 @ 70 Hz, 31.5 KHz
ü ü ü ü
2 640 x 350 @ 85 Hz, 37.9 KHz
ü ü ü
For Separated sync, Only horizontal full
screen, The vertical position is at the
center.
3 640 x 400 @ 60 Hz, 31.5 KHz
ü ü ü ü
For SOG sync, switch 640x400@60Hz
and 640x480@60Hz by [1]+[2] short cut
key (primery = 640x480@60Hz)
4 640 x 400 @ 70 Hz, 31.5 KHz
ü ü ü ü
For Separated Sync, Switch
640x400@70Hz and 720x400@70Hz by
[1]+[2] short cut key (primery =
640x400@70Hz)
5 640 x 400 @ 85 Hz, 37.9 KHz
ü ü ü ü
For Separated Sync, Switch
640x400@85Hz and 720x400@85Hz by
[1]+[2] short cut key (primery =
640x400@85Hz)
6 640 x 480 @ 50 Hz, 24.7 KHz
ü ü ü
7 640 x 480 @ 60 Hz, 31.5 KHz
ü ü ü ü
For SOG sync, switch 640x400@60Hz
and 640x480@60Hz by [1]+[2] short cut
key (primery = 640x480@60Hz)
8 640 x 480 @ 67 Hz, 35 KHz
ü ü ü ü
9 640 x 480 @ 72 Hz, 37.9 KHz
ü ü ü ü
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