Preset Timing - Hitachi CM621FET Service Manual

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H. PRESET TIMING:
PRESET MODE TIMING
MODE
H Pixes
V Lines
1
IBM
640
VGA
480
2
VESA
800
600
3
VESA
800
600
4
VESA
1024
(Primary)
768
5
VESA
1280
1024
6
VESA
1024
768
Remark:
(1). Primary preset: This is primary timing, match the marked (p) item in engineering
(2). Secondary preset: The other preset timing shall match the marked (s) item in
Fd(MHz)
Fh(KHz)
Polar(H/V)
Fv(Hz)
d:dot
25.175
31.47
N/N
59.94
49.5
46.874
P/P
75
56.25
53.674
P/P
85.061
78.75
60.023
P/P
75.029
108
63.981
P/P
60.02
94.5
68.677
P/P
84.997
specification.
engineering specification.
Th(us)
Td(us)
Tv(ms)
Td(ms)
B.G:
d:display
backporch
31.778
25.422
16.683
15.253
21.333
16.162
13.333
12.8
18.631
14.222
11.756
11.179
16.66
13.003
13.328
12.795
15.63
11.852
16.661
16.005
14.561
10.836
11.765
11.183
4
Tb(us)
Tp(us)
Tf(us)
Tb(ms)
Tp(ms)
Tf(ms)
A.F:
D.I:
Pulse
1.907
3.813
1.048
0.064
3.232
1.616
0.448
0.064
2.702
1.138
0.503
0.056
2.235
1.219
0.466
0.05
2.296
1.037
0.594
0.047
2.201
1.016
0.524
0.044
C.H:
front
0.636
0.318
0.323
0.021
0.569
0.018
0.203
0.017
0.444
0.016
0.508
0.015

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