Acer M190E5-L0A Service Manual Download Page 30 | Manualshive

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4.2 Abnormal (ON/OFF, LCD display, Keyboard) Troubleshooting

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Summary of Contents for 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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Page 7: ...7 Power Saver 18 Chapter 3 Machine Disassembly and Assembly 20 3 1 Machine Disassembly 20 3 2 Machine Assembly 24 Chapter 4 Troubleshooting 28 4 1 Abnormal display Troubleshooting 28 4 2 Abnormal On Off LCD Display K B Troubleshooting 30 4 3 Abnormal BIOS OSD Other Display Troubleshooting 31 4 4 Audio Abnormal 32 Chapter 5 Connector Information 33 5 1 Function Block Diagram 33 5 2 Connector Locati...

Page 8: ...inolta CS 1000T Spectrometer and Photometer CA 210 or equivalent Others Before measuring Auto Adjust Auto Balance must be done in advance 1 2 Features l 19 SXGA TFT LCD Panel l TN Mode Liquid Crystal l D SUB DVI D Input l Audio Function Optional l Support to 75Hz Refresh Rate l Support VESA DCC 2B plug play function l Support VESA DPMS DVI DMPM Power Management Function l Wide Viewing Angle l High...

Page 9: ...ve Graphic Input Connector D Sub mini 15 pins DVI D 24 pins Auto Adjust Clock Phase H Position V Position Performance Screen Scaling VGA SVGA XGA SXGA Full Screen Display Power Management VESA DPMS DVI DMPM ENERGY STAR Compliance Color Adjustment User 6500K 7500K 9300K Performance OSD Language English French German Spanish Italian Japanese Traditional Chinese Simplified Chinese Power Input AC100 2...

Page 10: ...10 1 Definition of Viewing Angle θx θy 12 o clock direction θy 90º 6 o clock θy 90º θx θx θy θy x y Y x Normal θx θy 0º θX 90º θX 90º ...

Page 11: ...t Ratio of the point X at Figure in Note 5 Definition of luminance measured points and Brightness Uniformity Delta X 17 0mm Delta Y 17 0mm Luminance of center point L L 1 Brightness Uniformity Measurement points Five specified points 1 5 Formula Maximum L 1 L 2 L 3 L 4 L 5 L 6 L 7 L 8 L 9 L 10 L 11 L 12 L 13 Minimum L 1 L 2 L 3 L 4 L 5 L 6 L 7 L 8 L 9 L 10 L 11 L 12 L 13 Active area Vertical Line ...

Page 12: ...15 minutes to avoid abrupt temperature change during measuring In order to stabilize the luminance the measurement should be executed after lighting Backlight for 15 minutes in a windless room TF TR Time Gray Level 0 Gray Level 255 Optical Response 100 90 10 0 Gray Level 255 Spectrometer Minolta CS1000T 500 mm LCD Module LCD Panel Center of the Screen Light Shield Room Ambient Luminance 2 lux ...

Page 13: ...ptions 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 Chapter 2 2 ...

Page 14: ...4 2 1 2 Back 8 9 11 12 10 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 5ψ 12 AC In AC Power Jack ...

Page 15: ...d to select the OSD function when there is OSD menu used to increase function value Enter brightness control function directly when there is no OSD menu 5 Used to select the OSD function when there is OSD menu used to decrease function value Enter contract control function directly when there is no OSD menu 6 Menu Use to display OSD menu when there is OSD menu used to execute OSD function or enter...

Page 16: ... window and save changes To change other settings repeat steps 2 4 2 4 OSD Menu Screen u The OSD disappears several seconds after you stop pressing the buttons while performing an adjustment u Any changes are automatically saved in the memory when the OSD disappears Turning off the power should be avoided while using the menu Bright Contract Adjustment Phase Clock pulse Adjustment Horizontal Verti...

Page 17: ...se 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 ...

Page 18: ...m Color Temp Set up the color temp to be warm white color N A Cold Color Temp Set up the color temp to be cold white color User Definition Red User Definition Green User Definition Blue Adjust red green blue gain N A English N A 繁體中文 N A Deutsch N A Francis N A Espanola N A Italian N A N A 日本語 Select the language you want Horizontal Move OSD left and right Vertical Move OSD up and down OSD Time Di...

Page 19: ...tem so the computer system can be set to monitor auto adjust 2 7 Power Saver u Power control system also called Power Saver is installed inside the LCD Monitor u If the monitor has not been used for a certain period of time the system will turn the monitor to low voltage mode to save power Slight moving or any click will return to the original image u The VGA card inside the computer handles Power...

Page 20: ...20 MACHINE DISASSEMBLY AND ASSEMBLY 3 1 Disassembly Procedures Picture Description Chapter 3 2 ...

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Page 24: ...24 3 2 Assembly Procedures ...

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Page 28: ...28 Troubleshooting 4 1 Abnormal Display Troubleshooting Chapter 4 2 ...

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Page 30: ...30 4 2 Abnormal ON OFF LCD display Keyboard Troubleshooting ...

Page 31: ...31 4 3 Abnormal BIOS OSD Other Display Troubleshooting ...

Page 32: ...32 4 4 Audio Abnormal Troubleshooting ...

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 ...

Page 34: ... 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 Vertical sync 7 Green video ground 15 SCL 8 Blue video ground 5 3 Audio Connector Phone Jack d 3 5mm 5 4 AC Connector ac power jack ...

Page 35: ...35 FRU Field Replaceable Unit List Part List Picture Part name Description Vendor Part No Chapter 6 2 ...

Page 36: ...36 Picture Part name Description Vendor Part No ...

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Page 38: ...38 Explosion Diagram ...

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