Acer AL1913c Service Manual
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All manuals and user guides at all-guides.com
Acer AL1913c
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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Summary of Contents for Acer AL1913c

  • Page 1 All manuals and user guides at all-guides.com Acer AL1913c 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: Table Of Contents

    All manuals and user guides at all-guides.com Table of Contents Chapter 1 Monitor Features … … … … … … … … … … … … … … .… … … . 8 1.1 Test Conditions… … … … … … … … … … … … … … … .… … … … 8 1.2 Features…...
  • Page 8: Chapter 1 Monitor Features

    All manuals and user guides at all-guides.com Monitor Features Chapter 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...
  • Page 9: Lcd Panel Specification

    All manuals and user guides at all-guides.com 1.3 LCD panel Specification Technical Specifications Panel Dimension Diagonal 481.9mm (19 inch) LCD display Max. Resolution 1,280 x 1,024/ SXGA Max. Pixel Up to 16.2M true color Pixel Span Horizontal 0.294mm x Vertical 0.294mm Panel Brightness 300 cd/m...
  • Page 10 All manuals and user guides at all-guides.com Definition of Viewing Angle (θx, θy): Normal θx = θy = 0º θy- θ θ 12 o’clock direction = 90º θ = 90º θx- θx+ 6 o’clock θ θ = 90º = 90º Definition of Contrast Ratio (CR): The contrast ratio can be calculated by the following expression and figure below.
  • Page 11 All manuals and user guides at all-guides.com Luminance of center point: L=L(5) Brightness Uniformity Measurement points: Five specified points 1-5 Formula: Maximum [L (1), L (2), L (3), L (4), L (5)]/Minimum [L (1), L (2), L (3), L (4), L (5)] Definition of Response Time (T Gray Level 255...
  • Page 12: Chapter 2 Operating Instructions

    All manuals and user guides at all-guides.com OPERATING INSTRUCTIONS Chapter 2 2.1 Function Name Front 2.1.1 Name Descriptions Power Switch Power On/Off LED Indicator Green Normal operation Orange Power management MENU OSD control MENU button > Right selection/ Volume button (AL1714m/AL1714bm) <...
  • Page 13 All manuals and user guides at all-guides.com Back 2.1.2 Name Descriptions D-Sub D-sub mini 15pin Connector DVI-D 24pin Connector Phone Jack 3.5ψ Audio IN DC-In DC Power Jack, d=3.0mm Lock hole Kensington...
  • Page 14: Osd Menu Description

    All manuals and user guides at all-guides.com 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. MENU : Press this button to enter OSD. Press it again to exit OSD. 3.
  • Page 15: Osd Control

    All manuals and user guides at all-guides.com 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.
  • Page 16 All manuals and user guides at all-guides.com The OSD disappears several seconds after you stop pressing the buttons while performing an adjustment. Any changes are automatically saved in the memory when the OSD disappears. Turning off the power should be avoided while using the menu.
  • Page 17: Osd Function Definition

    All manuals and user guides at all-guides.com 2.5 OSD Function Definition Primary Secondary Secondary Description Directory Directory Directory Items Symbo Symbol 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...
  • Page 18: Plug And Play

    All manuals and user guides at all-guides.com Message Display resolution, H/V frequency and the input port used for current input timing function Restore Restore to factory settings Exit Close the OSD window and save changes 2.6 Plug and Play The new VESA Plug and Play function is used which eliminates the complicated and time-consuming installation process.
  • Page 19: Chapter 3 Machine Disassembly And Assembly

    All manuals and user guides at all-guides.com MACHINE DISASSEMBLY Chapter 3 AND ASSEMBLY 3.1 Disassembly Procedures Picture Description Push the hooks and stand bottom away Remove Hinge Cover Loosen and remove 4 screws Remove Stand Assy Loose and remove 5 screws. Separate Bezel hooks to take Bezel and Rear Cover apart.
  • Page 20 All manuals and user guides at all-guides.com Lift up Rear Cover Loose and remove 2 screws Loose and remove 3 screws Remove FFC Remove the Cover of X-PCB Loose and remove 3 screws Remove Power PCBA Remove 2 pieces of FFC from AD PCBA...
  • Page 21 All manuals and user guides at all-guides.com Loose and remove 4 screws Remove AD PCBA Lift up LCD module and remove bezel. Remove FFC. Separate both Audio Cable. Loose and remove 2 screws. Take OSD PCBA apart...
  • Page 22: Machine Assembly

    All manuals and user guides at all-guides.com 3.2 Assembly Procedures Place OSD PCBA. Fasten 2 screws Insert Audit Cable to connectors of OSD PCBA Bezel assembly complete. Insert FFC. Place LCD module. Insert new AD PCBA...
  • Page 23 All manuals and user guides at all-guides.com Fasten 4 fixed screws of AD PCBA Insert 2 pieces of FFC to AD PCBA . Insert new Power PCBA Fasten 3 fixed screws of Power PCBA Join the cover hooks of X-PCB Fasten 3 screws Fasten 2 screws Insert FFC...
  • Page 24 All manuals and user guides at all-guides.com Place Rear Cover Join hooks of Rear Cover with Bezel Fasten 5 screws Place Stand Assy. Fasten 4 screws Insert Stand Cover Have the hook latched...
  • Page 25: Chapter 4 Troubleshooting

    All manuals and user guides at all-guides.com Troubleshooting Chapter 4 4.1 Abnormal Display Troubleshooting...
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  • Page 27: Abnormal (On/Off, Lcd Display, K/B) Troubleshooting

    All manuals and user guides at all-guides.com 4.2 Abnormal (ON/OFF, LCD display, Keyboard ) Troubleshooting...
  • Page 28: Abnormal (Bios, Osd, Other Display) Troubleshooting

    All manuals and user guides at all-guides.com 4.3 Abnormal (BIOS, OSD, Other Display ) Troubleshooting...
  • Page 29: Audio Abnormal

    All manuals and user guides at all-guides.com 4.4 Audio Abnormal Troubleshooting...
  • Page 30: Chapter 5 Connector Information

    All manuals and user guides at all-guides.com Connector Information Chapter 5 5.1 Function Block Diagram OSD Key Speaker Audio Audio In 3.3V DVI-D Main Digital Video D-sub Signal Analog Video DC/D DC-19V Inverter DC -19V Backlight...
  • Page 31: Connector Location

    All manuals and user guides at all-guides.com 5.2 Connector Location...
  • Page 32: D-Sub Mini 15Pin Connector

    All manuals and user guides at all-guides.com 5.3 D-sub Mini 15pin Connector Pin No. Pin Function Pin No. Pin Function Red video input Green video input Ground Blue video input No connection DDC data Ground Horizontal sync (Composite sync) Red video ground Vertical sync Green video ground DDC clock...
  • Page 33: Audio Connector

    All manuals and user guides at all-guides.com 5.6 Audio Connector (Optional) Phone Jack, d=3.5mm 5.7 Main Board Pin Assignment Introduction 5.7.1 CN1 Pin assignment Pin No. Symbol Description INV_ADJ Inverter enable INV_ON/OFF Brightness Adjustment Ground Ground Ground VIN_19V Input source VIN_19V Input source VIN_19V...
  • Page 34 All manuals and user guides at all-guides.com 5.7.3 CN3 Pin assignment Pin No. Symbol Description SCAN DATA OUTPUT ENABLE SCAN IC CLOCK GROUND SCAN IC VOLTAGE SCAN IC VOLTAGE PANEL_VGL PANEL DRIVING VOLTAGE SCAN IC START PULSE PANEL_VGL PANEL DRIVING VOLTAGE PANEL_VGL PANEL DRIVING VOLTAGE GROUND...
  • Page 35 All manuals and user guides at all-guides.com EG2P EVEN PATH BLUE DATA BIT GROUND ER0N EVEN PATH BLUE DATA BIT ER0P EVEN PATH BLUE DATA BIT ER1N EVEN PATH BLUE DATA BIT ER1P EVEN PATH BLUE DATA BIT ER2N EVEN PATH BLUE DATA BIT ER2P EVEN PATH BLUE DATA BIT ESTH...
  • Page 36 All manuals and user guides at all-guides.com DATA IC VOLTAGE DATA IC VOLTAGE DATA IC VOLTAGE GMA6 GAMMA VOLTAGE GMA7 GAMMA VOLTAGE GMA8 GAMMA VOLTAGE GMA9 GAMMA VOLTAGE GMA10 GAMMA VOLTAGE GROUND OG0N ODD PATH GREEN DATA BIT OG0P ODD PATH GREEN DATA BIT OG1N ODD PATH GREEN DATA BIT OG1P...
  • Page 37: Chapter 6 Fru

    All manuals and user guides at all-guides.com FRU (Field Replaceable Unit) List Chapter 6 Part List Picture Partname Description Vendor Part No. Adapter ADAPTER 3.42A 65W 2719065193 (Black) 3PIN BLACK FUNCTION PCBA FOR A190E2 35A19K020 BUTTON BOARD INVERTER INVERTER BOARD 2714000022 BOARD TWS-444-983...
  • Page 38 All manuals and user guides at all-guides.com CABLE FFC_X, 3241902003 A190E2,45PIN,60X23M M,PITCH=0.5MM MONITOR MONITOR 32F3018003 CABLE CABLE,180CM, BLACK (BLACK) AUDIO AUDIO 32F2818004 CABLE CABLE,180CM,BLACK (BLACK) Picture Part name Description Vendor Part No. STAND ABS, Black, 40A1992212 BASE Bezel Assy, W/SPK, 40A1922913 FRONT BLACK...
  • Page 39 All manuals and user guides at all-guides.com Hinge Cover COVER HINGE,BLACK 40A1992206 MAINBOAR COVER AD,A190E2 41A1999106 D COVER...
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  • Page 41: Chapter 7 Schematic Diagram

    All manuals and user guides at all-guides.com Schematic Diagram Chapter 7 Main Board...
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