1. ELECTRICAL REQUIREMENTS
A. LCD Panel Specification
Display:
17 inch (17” viewable image size): active matrix: thin film transistor
(TFT): liquid crystal display (LCD): 0.264 mm dot pitch: R.G.B.
Vertical stripe 200 cd//m
2
white luminance, typical: 200:1 contrast
ratio, Min.
Compatibility:
640 x 350: VGA-350
720 x 400: VGA text
640 x 480: VGA, 60Hz to 75 Hz vertical refresh rate
800 x 600: 56Hz to 75 Hz vertical refresh rate
1024 x 768 non-interlaced: 60Hz to 75 Hz vertical refresh rate
1280 x 1024 non-interlaced: 60Hz to 75 Hz vertical refresh rate
Synchronization
Frequencies:
Horizontal: 24 kHz to 80 kHz
Vertical: 56 Hz to 75 Hz
Pixel Frequency: 21 Mhz 135 Mhz
Resolution:
Horizontal: 1280 dots
Vertical: 1024 lines
Active Display
Area:
Horizontal: 337.92 mm
Vertical: 270.34 mm
Viewing Angles:
Up 40deg down 80deg (TYP)
Left 60deg, Right 80deg (TYP)
CR
≥
10
Display Colors:
16,777,216 (with FRC)
Power Supply:
AC 100 to 240V worldwide input, 50 / 60Hz
Power Consumption:
Typical:50W on mode +10 / -25%
Environmental:
Operating temperature: 0ºC to 50ºC
Storage temperature: -20ºC to 65ºC
Relative Humidity: 20%~80%
2
Summary of Contents for AL722
Page 19: ...9 TROUBLESHOOTING A Main Procedure CM67B 19 ...
Page 20: ...Power Circuit Troubleshooting 20 ...
Page 21: ...Backlights Troubleshooting 21 ...
Page 22: ...Performance Troubleshooting 22 ...
Page 23: ...23 Function Troubleshooting ...
Page 24: ...APPENDIX A PARTS LISTS 24 ...
Page 26: ...A 4 461A7830011 Firmware CTRLl Board VL 710 26 ...
Page 29: ...APPENDIX B DISPLAY UNIT ASSEMBLY 29 ...
Page 30: ......
Page 35: ......
Page 36: ......