Vertical - Kortek KT-2914F Service Manual

2-3 TIMING CHART
VIDEO
C
SYNC
A : LINE TIME TOTAL
C : BACK PORCH
E : FRONT PORCH
O : FRAME TIME TOTAL
Q : BACK PORCH
S : FRONT PORCH
DESCRPTION
f KHz
A uS
B uS
H
C uS
D uS
E uS
POL.
f Hz
O mS
P mS
Q mS
V
R mS
S mS
POL.
HORIZONTAL
D
B
A
CGA
640 x 200 640 x 200
15.750 15.750
63.5 63.5
8.671 8.672
7.272 7.272
40.836 40.836
6.72 6.72
POS POS
50 60.115
20.0 16.63
0.444 0.444
0.825 0.825
18.603 15.302
0.128 0.06
POS POS
Q
E
B :HORIZONTAL SYNC WIDTH
D : ACTIVE TIME
P : VERTICAL SYNC WIDTH
R : ACTIVE TIME
EGA
640 x 400
24.827
40.28
3.04
3.8
30.399
3.04
POS
55.609
17.98
0.322
1.26
16.111
0.282
POS

VERTICAL

R
P
O
VGA
640*480 800*600
31.469
31.778
3.813
1.907
25.422
0.636
NEG
59.940
16.683
0.064
1.048
15.253
0.318
NEG
S
SVGA
37.88
26.40
3.20
2.20
20.00
1.00
POS
60.317
16.58
0.11
0.61
15.84
0.03
POS