Video Signal; Sync Signal; Timing - Acer 7299sl Service Manual

1.3.1.1.2 Cable length

1.3.1.2 Video signal

Analog 0.7 Vpp/75 ohm positive.

1.3.1.3 SYNC signal

-Separate SYNC : TTL level
-Horizontal SYNC : positive/negative
- Vertical SYNC : positive/negative
- Composite SYNC : TTL level, positive/negative

1.3.1.4 Timing

The video signal timing is as following:
SEPARATE SYNC.
HORIZONTAL
VERTICAL
PRESET TIMING
1
VGA
Fh 31.47kHz
Aus 31.77
Bus 3.81
Cus 1.59
Dus 26.05
Eus 0.64
Fv 70.08Hz
Oms 14.27
Pms 0.064
Qms 0.86
Rms 13.157
Sms 0.191
Display 640*400
Resolution
Polarity H/V -/+
1-8
12 SDA(for DDC 1/2B+)
13 H-Sync(H or H+V)
14 V-Sync
15 SCL(for DDC 1/2B+)
1500mm +-20mm
C
B
Q
P
2
VGA
31.47kHz
31.77
3.81
1.59
26.05
0.64
59.94Hz
16.68
0.064
0.76
15.762
0.095
640*480
-/-
API Confidential
No Copy/Reproduction Allowed
video
D
E
A
video
R
S
Sync. Polarity: Positive/Negative
O
3 4
SVGA4 SVGA5
46.88 kHz 53.674 kHz
21.333 18.631
1.616 1.138
3.232 2.702
16.162 14.222
0.323 0.569
75Hz 85.062 Hz
13.333 11.756
0.064 0.056
0.448 0.503
12.8 11.179
0.021 0.018
800*600 800*600
-/- +/+
5
UVGA7
60.02 kHz
16.66
1.219
2.235
13.003
0.203
75 Hz
13.328
0.05
0.466
12.795
0.017
1024*768
+/+
7299sl Service Guide