Acer AL1916 Service Manual
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Acer AL1916 Service Manual

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Acer AL1916W
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 AL1916

  • Page 1 Acer AL1916W Service Guide Service guide files and updates are available on the CSD web: for more information, Please refer to http: csd.acer.com.tw...

  • Page 7: Table Of Contents

    Table of Contents Chapter 1 Monitor Features 1.1 Test Conditions……………………………………….………… 8 1.2 Features…………………….……………………………….…... 8 1.3 LCD Panel Specification……………………………………... 9 Chapter 2 OPERATING INSTRUCTIONS… 2.1 Function Name…………………………………………………13 2.2 OSD Menu Description…..……………………………………15 2.3 OSD Control…..………………………………………………...16 2.4 OSD Menu Screen..……...…………………………………….16 2.5 OSD Function Definition ………………………………………17 2.6 Plug and Play……….………………………………………...

  • Page 8: Chapter 1 Monitor Features

    Monitor Features Test Conditions Item 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 1440 x 900 @60HZ Color temperature With OSD setting Measuring instrument Minolta CS-1000T Spectrometer and Photometer CA-210 or equivalent Others...

  • Page 9: Lcd Panel Specification

    1.3 LCD panel Specification Technical Specification Item Panel Model Active Area Driver Element Pixel Number Pixel Pitch Pixel Arrangement LCD panel Display Color Tran missive Mode Viewing Angle (H / V) Brightness Contrast Ratio LC Response Time (Tr+Tf) Separate Sync. Horizontal Sync.
  • Page 10 Definition of Viewing Angle (θx, θy): θ = 90º 6 o’clock θ = 90º Normal θx = θy = 0º θy- θ 12 o’clock direction θ θx- θx+ = 90º θ = 90º...
  • Page 11 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).
  • Page 12 Definition of Response Time (T Gray Level 255 100% Optical Response (4) Luminance, Chromaticity and CCT Measurement Measurement System Setup: The LCD module should be stabilized at given temperature for 30 minutes to avoid abrupt temperature change during measuring. In order to stabilize the luminance, the measurement should be executed after lighting Backlight for 30 minutes in a windless room.

  • Page 13: Chapter 2 Operating Instructions

    OPERATING INSTRUCTIONS 2.1 Function Name Front 2.1.1 Name Power Switch LED Indicator MENU > < AUTO Speaker Chapter 2 Descriptions Power On/Off Green Normal operation Orange Power management OSD control MENU button Right selection/ Volume button Left selection/ Volume button Adjust Clock, Phase, H Position and V Position automatically 2.5W x 2...
  • Page 14 Back 2.1.2 Name Lock hole DC-In Audio IN D-Sub Descriptions Kensington DC Power Jack, d=3.0mm Phone Jack 3.5ψ D-sub mini 15pin Connector...

  • Page 15: Osd Menu Description

    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 >: Press this button for selection or adjustment when OSD is shown.

  • Page 16: Osd Control

    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.

  • Page 17: Osd Function Definition

    2.5 OSD Function Definition Primary Secondary Secondary Directory Directory Directory Items Symbol Symbol Contrast Brightness Clock Pulse Horizontal Vertical Warm Color Temp. Set up the color temp. to be warm white color Cold Color Temp. Set up the color temp. to be cold white color User Definition/Red Definition/Green Definition/Blue...

  • Page 18: Plug And Play

    2.6 Plug and Play The new VESA Plug and Play function is used which eliminates the complicated and time-consuming installation process. You can use the Plug and Play system without encountering usual installation problems. Your computer system can easily identify and automatically adjust the monitor. 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.

  • Page 19: Chapter 3 Machine Disassembly And Assembly

    MACHINE DISASSEMBLY AND ASSEMBLY 3.1 Disassembly Procedures Picture Chapter 3 Chapter 3 Description Push the hooks and stand bottom away Remove Hinge Cover Loosen and remove 6 screws to remove Stand Assay Completed Loose and remove 5 screws. Separate Bezel hooks to take Bezel and Rear Cover Apart.
  • Page 20 Completed Remove FFC Lift up LCD module and remove bezel. Completed Loose and remove 2 screws Remove Cover AD Completed Loose and remove 2 screws...
  • Page 21 Remove 2 pieces of Backlight wires. Remove 2 pieces of Backlight wires. Loose and remove 2 screws Loose and remove 2 screws Remove the PCBA Cover Completed Loose and remove 4 screws Remove Lips Board...
  • Page 22 Completed Remove 2 pieces of FFC from AD PCBA and Backlight Loose and remove 4 screws Remove FFC Remove AD PCBA Completed Separate OSD PCBA. Take OSD PCBA apart...

  • Page 23: Machine Assembly

    3.2 Assembly Procedures Place OSD PCBA. Push OSD PCBA Place LCD module Insert new AD PCBA Insert a piece of FFC to AD PCBA Fasten 4 fixed screws of AD PCBA Insert 2 pieces of FFC to AD PCBA and Backlight Completed...
  • Page 24 Insert new Lips Board Fasten 4 fixed screws of Lips Board Completed Join the PCBA Cover Fasten 2 screws Fasten 2 screws Insert 2 pieces of Backlight wires. Insert 2 pieces of Backlight wires.
  • Page 25 Fasten 2 screws Completed Join hooks of Cover AD with Bezel Fasten 2 screws Completed Place LCD module to LCD Bezel. Insert a piece of FFC to OSD Board Completed...
  • Page 26 Join hooks of Rear Cover with Bezel Fasten 5 screws Completed Fasten 6 screws Insert Stand Cover Have the hook latched...

  • Page 27: Chapter 4 Troubleshooting

    Troubleshooting Chapter 4 4.1 Abnormal Display Troubleshooting...

  • Page 29: Abnormal (On/Off, Lcd Display, K/B) Troubleshooting

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

  • Page 30: Abnormal (Bios, Osd, Other Display) Troubleshooting

    4.3 Abnormal (BIOS, OSD, Other Display) Troubleshooting...

  • Page 31: Audio Abnormal

    4.4 Audio Abnormal Troubleshooting...

  • Page 32: Chapter 5 Connector Information

    Connector Information 5.1 Function Block Diagram Audio In D-sub Analog Video DC -19V OSD Key Pad/Audio Main Board DC/DC DC-19V Inverter Chapter 5 Speakers 3.3V LCD Module Signal Backlight...

  • Page 33: Connector Location

    5.2 D-sub mini 15pin Connector Pin No. Pin Function Red video input Green video input Blue video input Ground Red video ground Green video ground Blue video ground 5.3 DC Connector 5.4 Audio Connector Pin No. Ground No connection (SDA) Horizontal sync (Composite sync) Vertical sync (SCL)

  • Page 34: Chapter 6 Fru

    FRU (Field Replaceable Unit) List Part List Picture Part name Description FUNCTION BUTTON BOARD INVERTER BOARD Main Board PCBA FOR ,A190A2- CABLES CABLE AUDIO CABLE Chapter 6 PCBA FOR ,A190A2- H,A190A2-H-K2,106- 02,REV.01 DAC-12M030- B,VER:0F,5 V/3 A,12 V/0.7 A,L TYPE,5 MA,2470 V, T,A190A2-H-S1,106- 04,REV.03 FFC,1.00X22X106.5XCX...
  • Page 35 MONITOR CABLE Picture Part name Description STAND BASE FRONT BEZEL LCD BACK COVER LCD STAND NECK Hinge Cover COVER HINGE,A190A2- PCBA COVER Monitor Cable,A150X2,30AWG, 180cm,Black,JCE SEAT ASSY,A190A2- Bezel Assy,A190E3-H02 REAR,A190A2-H02,ABS PA-757N, W/O AUDIO STAND ASSY,A190E3- H02,ABS ,BLACK PCBA COVER ASSY,A190E3,ASSY 32F3018003 Vendor Part 40-D003442...
  • Page 36 Cover AD A190E3,cover_ad+mylar 41-D000546 The Table of Explosion Diagram...
  • Page 37 Parts Name Item BEZEL ASSY MATEL FRAME FRONT TFT PANEL ASSY BACKLIGHT UNIT MYLAR COVER PCBAX SCREW M3*4L POWER PCB ASSY AD PCB ASSY SCREW M3*4L SCREW M4*10L COVER AD SCREW M3*4L STAND OFF SUPPORT FLATE SCREW M3*4L OSD FFC OSD PCB ASSY REAR ASSY SCREW M3*10L...

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