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21.5" LCD Color Monitor AOC E2251SWDN
Service
Service
Service
Horizontal Frequency
30-83KHz
Table of Contents
Description
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Revision List Version Release Date Revision History L&T Model Name TIBJT32CB7SUHNF.LF A00 Jun-5-2012 Initial Release TIBJT32KB7A1HNF.LF TIBJT32CB7JBHNF.LF TIBJT32EB7RMHNF.LF A01 AUG-20-2012 Add new models TIBJT32EB7SPHNF.LF 2
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Important Safety Notice Proper service and repair is important to the safe, reliable operation of all AOC Company Equipment. The service procedures recommended by AOC and described in this service manual are effective methods of performing service operations. Some of these service operations require the use of tools specially designed for the purpose. The special tools should be used when and as recommended. It is important to note that this manual contains various CAUTIONS and NOTICES w
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1. Monitor Specifications 4
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2. LCD Monitor Description The LCD MONITOR will contain a main board and a key board which house the flat panel control logic, brightness control logic and DDC. Monitor Block Diagram Flat Panel and LED Drive. LED backlight Main Board Key Board D-SUB DVI Adapter Signal Signal AC-IN 100V~240V 5
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3. Operating Instructions 3.1 General Instructions Press the power button to turn the monitor on or off. The other control knobs are located at front panel of the monitor. By changing these settings, the picture can be adjusted to your personal preferences. 3.2 Hotkeys Power Press the Power button to turn on/off the monitor. Menu/Enter Press to display the OSD or confirm the selection Eco (DCR)/- Press the Eco key continuously to select the Eco mode of brightness and DCR on when t
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3.3 OSD Setting Basic and simple instruction on the control keys. 1) Press the MENU-button to activate the OSD window. 2) Press < or > to navigate through the functions. Once the desired function is highlighted, press the MENU-button to activate sub-menu . Once the desired function is highlighted, press MENU-button to activate it. 3) Press or to change the settings of the selected function. Press AUTO to exit. If you want to adjust any other function, repeat steps 2-3. 4) OSD L
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Luminance 1 Press (Menu) to display menu 2 Press or to select (Luminance), and press to enter 3 Press or to select submenu, and press to enter. 8
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4 Press or to adjust 5 Press to exit. 9
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Image Setup 1 Press (Menu) to display menu 2 Press or to select (Image Setup) , and press to enter. 3 Press or to select submenu, and press to enter. 4 Press or to adjust. 10
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5 Press to exit. Clock 0-100 Adjust picture Clock to reduce Vertical-Line noise. Phase 0-100 Adjust Picture Phase to reduce Horizontal-Line noise Sharpness 0-100 Adjust picture sharpness H.Position 0-100 Adjust the horizontal position of the picture. V.Position 0-100 Adjust the vertical position of the picture. Color Setup 1 Press (Menu) to display menu. 2 Press or to select (Color Setup), and press to enter. 11
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3 Press or to select submenu, and press to enter. 4 Press or to adjust. 5 Press to exit. 12
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Warm Recall Warm Color Temperature from EEPROM. Normal Recall Normal Color Temperature from EEPROM. Cool Recall Cool Color Temperature from EEPROM. Color setup. sRGB Recall SRGB Color Temperature from EEPROM. Red Red Gain from Digital-register User Green Green Gain Digital-register. Blue Blue Gain from Digital-register Full on or off Disable or Enable Full Enhance Mode Enhance Nature Skin on or off Disable or Enable Nature Skin Mode DCB Mode Green Field on or off Disable
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Press or to select submenu, and press to enter. 4 Press or to adjust. 5 Press to exit. Frame Size 14-100 Adjust Frame Size Brightness 0-100 Adjust Frame Brightness Contras 0-100 Adjust Frame Contrast H. position 0-100 Adjust Frame horizontal Position V.position 0-100 Adjust Frame vertical Position Bright Frame on or off Disable or Enable Bright Frame 14
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OSD Setup 1 Press (Menu) to display menu. 2 Press or to select (OSD Setup), and press to enter. 3 Press or to select submenu, and press to enter. 15
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4 Press or to adjust. 5 Press to exit. H.Position 0-100 Adjust the horizontal position of OSD V.Position 0-100 Adjust the vertical position of OSD Timeout 5-120 Adjust the OSD Timeout Transparence 0-100 Adjust the transparence of OSD Language Select the OSD language Extra 1 Press (Menu) to display menu. 16
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2 Press or to select (Extra), and press to enter. 3 Press or to select submenu, and press to enter. 4 Press or to adjust. 5 Press to exit. 17
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Exit 1 Press (Menu) to display menu. 2 Press or to select (Exit), and press to exit. Exit Exit the main OSD 18
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4. Input/Output Specification 4.1 D-SUB CONNECTORS Pin Assignments Pin Number 15-Pin Side of the Signal Cable Pin Number 15-Pin Side of the Signal Cable Video-Red 1 9 +5V 2 Video-Green 10 Ground Video-Blue 3 11 N.C. 4 N.C. 12 DDC- Serial data Detect Cable 5 13 H- sync 6 GND-R 14 V- sync 7 GND-G 15 DDC- Serial clock 8 GND-B 20
