IBM E50 LG CB553H, Service Manual

Page: 4 / 31

TIMING CHART
- 4 -
VIDEO
SYNC
C
E
D
F
A B
<< Dot Clock (MHz), Horizontal Frequency (kHz), Vertical Frequency (Hz), Horizontal etc... (µs), Vertical etc... (ms) >>
H – 31.47 31.78 25.42 6.36 3.81 1.91 0.64
V – 59.94 16.684 15.254 1.430 0.063 1.049 0.318
H – 37.50 26.67 20.32 6.35 2.03 3.81 0.51
V – 74.99 13.335 12.802 0.533 0.080 0.427 0.026
H – 43.27 23.112 17.778 5.334 1.556 2.222 1.556
V – 85.01 11.763 11.093 0.670 0.069 0.578 0.023
H – 31.47 31.782 25.422 6.36 3.813 1.907 0.636
V + 70.08 14.27 13.158 1.112 0.064 0.858 0.191
H + 46.88 21.33 16.16 5.17 1.62 3.23 0.32
V + 75.01 13.331 12.798 0.533 0.064 0.448 0.021
H + 60.02 16.66 13.00 3.66 1.22 2.24 0.20
V + 75.03 13.328 12.795 0.533 0.050 0.466 0.017
Mode
H/V
Sort
1
2
3
4
5
6
640x480
60Hz
640x480
85Hz
720x400
70Hz
800x600
75Hz
1024x768
75Hz
640x480
75Hz
Sync
Polarity
Frequency
Total Period
(E)
Video Active
Time (A)
Sync Duration
(D)
Blanking Time
(B)
Back Porch
(F)
Front Porch
(C)
Resolution