Electrical Characteristics - CTX S720G Service Manual

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3.

ELECTRICAL CHARACTERISTICS

3.1 LCD Panel
3.1.1. Type
3.1.2. Pixel structure
3.1.3. Gray scale
3.1.4. Surface treatment
3.1.5. Backlight
3.1.6 Pixel Faults
Pixel Faults type
Type Bright Pixels (Note 1)
Type Dark Pixels (Note 2)
Type Fault Pixels / Sub-Pixels(Note 3)
Type Cluster of type1 or type 2 faults(Note
Type Cluster of type3 faults (Note4)
Type Total Pixel Faults
Note 1 : Bright pixels in full black pattern.
Note 2 : Dark pixels in full white pattern
Note 3 : fault Pixel / Sub-Pixel : The pixel or sub-pixel is abnormal but not bright/dark pixel.
Note 4 : Fault Cluster : Two or more Pixels/Sub-pixels with faults within 5 * 5 block of pixels.
3.2 Modes and Timing Comparability
3.2.1Analog Input Supported Timing VESA Standard mode :
Display Format
Horizontal Dots
Vertical lines
Horizontal Frequency
Vertical Frequency ( Hz )
Pixel Rate ( MHz )
H. Sync. Polarity
A μ S ( Period )
B μ S ( Pulse Width )
C μ S ( Back Porch )
D μ S ( Active Area )
E μ S (Front Porch )
V. Sync. Polarity
O ms ( Period )
P ms ( Pulse Width )
17" diagonal, SXGA resolution, color TFT-LCD
R/G/B sub-pixels in vertical stripes
1280 x 1024 array matrix
a-Si TFT active matrix
16 million colors.
3H hard coating ,anti-static,anti-glare
Integral CCFL, type to support field replacement.
Life time 30000 hours @ 25C, 50% of initial value.
Model
Project
IBM VGA VESA
720 640 640
400 480 480
31.469 37.861
70 59.94 72.809
28.322 25.175 31.5
- - -
31.778 26.413
3.813 1.270
1.907 4.063
25.422 20.317
0.636 0.763
-5-
+ - -
16.683 13.735
0.064 0.079
Service Manual
S730G
S720G
LIS17G24KC01
LIS17S24KC01
≦ 5
≦ 5
≦ 3
≦ 2
≦ 3
≦ 8
VESA VESA VESA
640 800 800
480 600 600
37.5 37.879 48.077
75 60.317 72.188
31.5 40 50
- + +
26.667 26.4 20.8
2.032 3.2 2.4
3.810 2.2 1.28
20.317 20.0 16.0
0.508 1.00 1.12
- + +
13.333 16.579 13.853
0.080 0.106 0.125
S720G
VESA
800
600
46.875
75.000
49.5
+
21.333
1.616
3.232
16.162
0.323
+
13.333
0.064