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Acer AL1917 
 
 
 
 
Service Guide 
 
 
 
 
 
Service guide files and updates are available 
 
on the CSD web: for more information,  
 
 
Please refer to http: csd.acer.com.tw 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
 
  
 
 
 
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                          Table of Contents    Chapter 1   Monitor Features…………………………………… .……… . 8    1.1 Test Conditions……………………………………… .………… 8  1.2 Features…………………… .……………………………… .… ... 8  1.3 LCD Panel Specification…………………………………… ... 9    Chapter 2 OPERATING INSTRUCTIONS… …………… .………… .…… 13                       2.1 Function Name………………………………………………… 13                     2.2 OSD Menu Description… ..…………………………………… 15                     2.3 OSD Control… ..……………………………………………… ...16                     2.4 OSD Menu Scre
                    
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                        Monitor Features  Chapter 1    2  1.1 Test Conditions         Item Condition  Temperature Normal room temperature (25  2  )  Humidity 50  10%  AC input voltage 100V  2V, 120  2V, 60Hz / 240  2V, 50Hz  Brightness Maximum with OSD setting  Contrast Middle with OSD setting  Resolution setting 1280 x 1024 @60HZ  Color temperature With OSD setting  Measuring instrument Minolta CS-1000T Spectrometer and Photometer CA -210 or equivalent  Others Before measuring, “Auto Adjust” & “Auto Balance” must be d
                    
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                        1.3  LCD panel Specification     Technical Specification  Item Specification Unit  Panel Model M190E5-L0A LCD panel  Active Area 376.32 (H) x 301.056 (V) (19.0” diagonal)   Driver Element a-si TFT Active Matrix   Pixel Number 1280 x R.G.B. x 1024   Pixel Pitch 0.294 (H) x 0.294 (V)   Pixel Arrangement RGB Vertical Stripe   LCD panel  Display Color 16.2M   Tran missive Mode Normally White   Viewing Angle (H / V) Typical 150 / 130   Brightness Typical 280   Contrast Ratio Typical 400   LC Response
                    
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                        (1) Definition of Viewing Angle (qx, qy):                                                        Normal     θx = θy = 0º        θy- θy+    12 o’clock direction    θX- = 90º x-  y+  θy+ = 90º    θx-  θx+            6 o’clock    Y-  x+ θX+ = 90º  θy- = 90º                     10                                                                                                                                                                                                                               
                    
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                        (2) Definition of Contrast Ratio (CR):    The contrast ratio can be calculated by the following expression and figure below.  Contrast Ratio (CR) = L255 / L0  L255: Luminance of gray level 255  L 0: Luminance of gray level 0  CR = CR (5)  CR (X) is corresponding to the Contrast Ratio of the point X at Figure in Note (5).    Definition of luminance measured points and Brightness Uniformity:         Horizontal Line Number [pixel]                      X : Test point                      Active area
                    
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                        (3) Definition of Response Time (T , T ) and Measurement Method:  R F       Gray Level 255  Gray Level 255    100%  90%   Optical    Response      Gray Level 0     10% 0%       Time        T  F T  R       (4) Luminance, Chromaticity and CCT Measurement   Measurement System Setup:  The LCD module should be stabilized at given temperature for 15 minutes to avoid abrupt   temperature change during measuring. In order to stabilize the luminance, the measurement   should be executed after lighting Ba
                    
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                        OPERATING INSTRUCTIONS    Chapter 2    2  2.1 Function Name    2.1.1 Front      No. Name  Descriptions  1 Power Switch Power On/Off  2 LED Indicator Green Normal operation    Orange Power management  3 MENU OSD control MENU button  4 > Right selection/ Volume button  5 < Left selection/ Volume button  6 AUTO Adjust Clock, Phase, H Position and V Position automatically  7 Speaker 2.5W x 2       13                                                                                                     
                    
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                        2.1.2 Back       No. Name  Descriptions  8 Lock hole Kensington  9 D-Sub D-sub mini 15pin Connector  10 DVI-D IN (Optional) 24 pin connector  11 Audio IN (Optional) Phone Jack 3.5   12 AC-In AC Power Jack             14                                                                                                                                                                                                                                                                                         
                    
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                        2.2 OSD Menu Description    1. Power: Press this key to control power ON/OFF of the Monitor.  Green: normal display.   Orange flicker: no signal input.   Orange:  power off.    2. Auto/Exit: When the input signal source is PC, used to execute auto adjustment     3. < >: Press this button for selection or adjustment when OSD is shown.    4. +/     : Used to select the OSD function; when there is OSD menu, used to increase  function value.   Enter brightness control function directly when there is
                    
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                        2.3 OSD Control       1. Click MENU to display the OSD window as shown in the following figure.  2. Click < or  > to select the function to be adjusted as shown in the following figure.  3. Click the MENU to select the function to be adjusted.  4. Click < or  > to change current settings.  5. To exit OSD, select “ ” to close the OSD window and save changes. To change  other settings, repeat steps 2-4.    2.4 OSD Menu Screen            Bright/Contract Adjustment      Phase/Clock pulse Adjustment 
                    
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                        u Adjustments for clock, phase and positions are saved for each signal timing. Except for  these adjustments, all other adjustments have only one setting, which applies to all  signal timings.  u The color will change from white to pink while the function is selected.                                                                                               17                                                                                                                                       
                    
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                        2.5 OSD Function Definition    Primary Secondary  Secondary    Directory Directory  Description  Directory Items  Symbol Symbol      Adjust the contrast between the foreground and    Contrast   background of an image on the screen    Brightness Adjust the background brightness of the screen         Adjust the focus of the image (for analog input  Phase  adjustment only)     Adjust the clock pulse of the image (for analog input    Clock Pulse  adjustment only)        Move the image left and right
                    
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                        2.6 Plug and Play   u The new VESA Plug and Play function is used which eliminates the complicated and  time-consuming installation process.  u You can use the Plug and Play system without encountering usual installation problems.  Your computer system can easily identify and automatically adjust the monitor.  u The LCD Monitor uses Display Data Channel (DDC) to send Extended Display  Identification Data (EDID) to the computer system, so the computer system can be set  to monitor auto adjust.   
                    
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                         MACHINE DISASSEMBLY   Chapter 3  AND ASSEMBLY    2      3.1 Disassembly Procedures    Picture Description                          20