CTX S720G, Руководство по обслуживанию

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Service Manual
S720G
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3. ELECTRICAL CHARACTERISTICS
3.1 LCD Panel
3.1.1. Type 17” diagonal, SXGA resolution, color TFT-LCD
3.1.2. Pixel structure
R/G/B sub-pixels in vertical stripes
1280 x 1024 array matrix
a-Si TFT active matrix
3.1.3. Gray scale 16 million colors.
3.1.4. Surface treatment 3H hard coating ,anti-static,anti-glare
3.1.5. Backlight
3.1.6 Pixel Faults Integral CCFL, type to support field replacement.
Life time 30000 hours @ 25C, 50% of initial value.
Model
Project
Pixel Faults type
S730G
S720G
LIS17G24KC01
LIS17S24KC01
Type Bright Pixels (Note 1)
≦
5
Type Dark Pixels (Note 2)
≦
5
Type Fault Pixels / Sub-Pixels(Note 3)
≦
3
Type Cluster of type1 or type 2 faults(Note
≦
2
Type Cluster of type3 faults (Note4)
≦
3
Type Total Pixel Faults
≦
8
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 IBM VGA VESA VESA VESA VESA VESA
Horizontal Dots 720 640 640 640 800 800 800
Vertical lines 400 480 480 480 600 600 600
Horizontal Frequency
31.469 37.861 37.5 37.879 48.077 46.875
Vertical Frequency ( Hz ) 70 59.94 72.809 75 60.317 72.188 75.000
Pixel Rate ( MHz ) 28.322 25.175 31.5 31.5 40 50 49.5
H. Sync. Polarity - - - - + + +
A
μ
S ( Period )
31.778 26.413 26.667 26.4 20.8 21.333
B
μ
S ( Pulse Width )
3.813 1.270 2.032 3.2 2.4 1.616
C
μ
S ( Back Porch )
1.907 4.063 3.810 2.2 1.28 3.232
D
μ
S ( Active Area )
25.422 20.317 20.317 20.0 16.0 16.162
E
μ
S (Front Porch )
0.636 0.763 0.508 1.00 1.12 0.323
V. Sync. Polarity + - - - + + +
O ms ( Period ) 16.683 13.735 13.333 16.579 13.853 13.333
P ms ( Pulse Width ) 0.064 0.079 0.080 0.106 0.125 0.064
Q ( B k P h ) 1 048 0 739 0 427 0 607 0 478 0 448