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Acer M190E5-L0A - page 1
1 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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7 Table of Contents Chapter 1 Monitor Features …………………………………… . ……… . 8 1.1 Test Conditions ……………………………………… . ………… 8 1.2 Features …………………… . ……………………………… . … ... 8 1.3 LCD Panel Specification …………………………………… . ...
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Acer M190E5-L0A - page 8
8 Monitor Features 1.1 Test Conditions Item Condition Temperature No rmal 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 Measurin g instrument ...
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Acer M190E5-L0A - page 9
9 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 12 80 x R.G.B. x 1024 Pixel Pitch 0.294 (H) x 0.294 (V) Pixel Arrangement RGB Vertical Stripe Display Color 16.2M Tran mi ...
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Acer M190E5-L0A - page 10
10 (1) Definition of Viewing Angle ( θ x , θ y): 12 o’clock direction θ y+ = 90º 6 o’clock θ y - = 90º θ x - θ x + θ y - θ y + x - y+ Y - x+ Normal θ x = θ y = 0º θ X+ = 90º θ X - = 90º ...
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Acer M190E5-L0A - page 11
11 (2) Definition of Contrast Ratio (CR): The contrast ratio can be calculated by the following expression and figure below. Contrast Ratio (CR) = L255 / L0 L 255 : Luminance of gray level 255 L 0: Luminance o f gray level 0 CR = CR ( 5) CR ( X) is corresponding to the Contrast Ratio of the point X at Figure in N ote ( 5 ) . Definition of luminance ...
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Acer M190E5-L0A - page 12
12 ( 3 ) Definition of Response T ime ( T R , T F ) and Measurement Method: ( 4 ) Luminance, Chromaticity and CCT Measur ement Measurement Syst em S et up : The LCD module should be stabiliz ed at given temperature for 15 minutes to avoid abrupt temperature change during measuring. In order to stabilize the luminance, t he measurement sh ould be ex ...
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Acer M190E5-L0A - page 13
13 OPERATING INSTRUCTIONS 2.1 Function N ame 2.1.1 Front 1 2 3 4 5 6 7 7 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 b utton 5 < Left selection/ Volume b utton 6 AUTO Adjust Clock, Phase, H Position and V Position au ...
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Acer M190E5-L0A - page 14
14 2.1.2 Back 8 9 11 12 10 No. Name Descriptions 8 Lock hole Kensington 9 D - S ub D - sub mini 15pin Connector 10 DVI - D IN (Optional) 24 pin connector 11 Audio IN (Optional) Phone Jack 3.5 ψ 12 AC - I n AC Power Jack ...
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Acer M190E5-L0A - page 15
15 2.2 OSD Menu Description 1. Power: Press this key to control pow er ON/OFF of the Monitor . Green: normal display. O range 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 ...
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Acer M190E5-L0A - page 16
16 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 funct ion to be adjusted. 4. Click < or > to change current settings. 5. To exit OSD, select “ ” to close the OSD window ...
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Acer M190E5-L0A - page 17
17 u Adjustments for clock, p hase and p osition s 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. ...
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Acer M190E5-L0A - page 18
18 2.5 OSD Function Definition Primary Directory Symbol Secondary Directory Symbol Secondary Directory Items Description Contrast Adjust the contrast between the foreground and background of an image on the screen Brightness Adjust the background brightness of the screen Phase Adjust the focus of the image (for analog input adjustment only) Clock P ...
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Acer M190E5-L0A - page 19
19 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 encount ering usual installation problems. Your computer system can easily identify and automatically adjust the monitor. u The LCD Monitor uses Display Data Ch ...
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20 MACHINE DISASSEMBLY AND ASSEMBLY 3.1 Disassembly Procedures Picture Description Chapter 3 2 ...
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24 3.2 Assembly Procedures ...
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28 Troubleshooting 4.1 Abnormal Display Troubleshooting Chapter 4 2 ...
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30 4.2 Abnormal (ON/OFF, LCD display, Keyboard) Troubleshooting ...
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31 4.3 Abnormal (BIOS, OSD, Other Display) Troubl eshooting ...
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32 4.4 Audio Abnormal Troubleshooting ...
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Acer M190E5-L0A - page 33
33 Connector Information 5.1 Function Block Diagram Chapter 5 2 LIPS Backlight 3.3V Signal LCD Module AC Power DC - 19V DC - 5V D - sub Analog Video Audio In Speaker OSD Key Pad / Audio Out Main Board DC/DC ...
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Acer M190E5-L0A - page 34
34 5.2 D - sub mini 15pin Connector Pin No. Pin Function Pin No. Pin Function 1 Red video input 9 NC 2 Green video input 10 Ground 3 Blue video input 11 No connection 4 NC 12 (SDA) 5 Ground 13 Horizontal sync (Composite sync) 6 Red video ground 14 Vertica l sync 7 Green video ground 15 (SCL) 8 Blue video ground 5.3 Audio Connector Phone Jack, d=3.5 ...
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Acer M190E5-L0A - page 35
35 FRU (Field Replaceable Unit) List Part List Picture Part name Description Vendor Part No. Chapter 6 2 ...
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36 Picture Part name Description Vendor Part No. ...
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38 Explosion Diagram ...
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