Acer AL1916 AL1916W Service Guide
Acer AL1916 Manual
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Acer AL1916 manual content summary:
- Acer AL1916 | AL1916W Service Guide - 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 1 - Acer AL1916 | AL1916W Service Guide - Page 2
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OSD Menu Screen 16 2.5 OSD Function Definition 17 2.6 Plug and Play 18 2.7 Power Saver 18 Chapter 3 Machine Disassembly and Assembly 19 3.1 Machine Disassembly 19 3.2 Machine Assembly 23 Chapter 4 Troubleshooting 27 4.1 Abnormal display Troubleshooting 27 4.2 Abnormal (On/Off, LCD Display - Acer AL1916 | AL1916W Service Guide - Page 8
Balance" must be done in advance 1.2 Features 19" wide WXGA+ TFT LCD Panel MVA Mode Liquid Crystal D-SUB/ DVI-D Input Audio Function Support to 75Hz Refresh Rate Support VESA-DCC 2B plug & play function Support VESA-DPMS & DVI DMPM Power Management Function Super Wide Viewing Angle High Brightness - Acer AL1916 | AL1916W Service Guide - Page 9
1.3 LCD panel Specification Technical Specification LCD panel Item Panel Model Active Area Driver Element Pixel Number Pixel Pitch Pixel Arrangement Display Color Tran missive Mode Viewing Angle (H / V) Brightness Specification LXJ007XXXXXX 408.24 (H) x 255.15 (V) (19.0" wide diagonal) a-si TFT - Acer AL1916 | AL1916W Service Guide - Page 10
(1) Definition of Viewing Angle (θx, θy): θX- = 90º x- 6 o'clock θy- = 90º y- Normal θx = θy = 0º θy- θy+ θxθx+ 12 o'clock direction y+ θy+ = 90º x+ θX+ = 90º 10 - Acer AL1916 | AL1916W Service Guide - Page 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 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 - Acer AL1916 | AL1916W Service Guide - Page 12
(4) Luminance, Chromaticity and CCT Measurement Measurement System Setup: The LCD module should be stabilized at given temperature for 30 minutes to be executed after lighting Backlight for 30 minutes in a windless room. LCD Module LCD Panel Center of the Screen Spectrometer (Minolta CS1000T ) - Acer AL1916 | AL1916W Service Guide - Page 13
OPERATING INSTRUCTIONS 2.1 Function Name 2.1.1 Front Chapter 2 No. Name Descriptions 1 Power Switch Power On/Off 2 LED Indicator Green Orange Normal operation Power management 3 MENU OSD control MENU button 4 > Right selection/ Volume button 5 < Left selection/ Volume button 6 - Acer AL1916 | AL1916W Service Guide - Page 14
2.1.2 Back No. Name 8 Lock hole 9 DC-In 10 Audio IN 11 D-Sub Descriptions Kensington DC Power Jack, d=3.0mm Phone Jack 3.5 D-sub mini 15pin Connector 14 - Acer AL1916 | AL1916W Service Guide - Page 15
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 >: Press this button for selection or adjustment when - Acer AL1916 | AL1916W Service Guide - Page 16
Click MENU to display the OSD window as shown in close the OSD window and save changes. To change other settings, repeat steps 2-4. 2.4 OSD Menu Screen Bright/Contract Adjustment saved in the memory when the OSD disappears. Turning off the power should be avoided while using the menu. Adjustments - Acer AL1916 | AL1916W Service Guide - Page 17
(for analog input only) Analog Digital Select the input source you want (for DVI Input only) N/A N/A Message Display resolution, H/V frequency and the input port used for current input timing function Restore Restore to factory settings N/A Exit Close the OSD window and save changes - Acer AL1916 | AL1916W Service Guide - Page 18
system can be set to monitor auto adjust. 2.7 Power Saver Power control system, also called (Power Saver), is installed inside the LCD Monitor. 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 - Acer AL1916 | AL1916W Service Guide - Page 19
AND ASSEMBLY Chapter 3 3.1 Disassembly Procedures Picture 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. Lift up Rear Cover 19 - Acer AL1916 | AL1916W Service Guide - 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 20 - Acer AL1916 | AL1916W Service Guide - 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 21 - Acer AL1916 | AL1916W Service Guide - 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 22 - Acer AL1916 | AL1916W Service Guide - Page 23
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 23 - Acer AL1916 | AL1916W Service Guide - 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. 24 - Acer AL1916 | AL1916W Service Guide - 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 25 - Acer AL1916 | AL1916W Service Guide - Page 26
Join hooks of Rear Cover with Bezel Fasten 5 screws Completed Fasten 6 screws Insert Stand Cover Have the hook latched 26 - Acer AL1916 | AL1916W Service Guide - Page 27
Troubleshooting 4.1 Abnormal Display Troubleshooting Chapter 4 27 - Acer AL1916 | AL1916W Service Guide - Page 28
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4.2 Abnormal (ON/OFF, LCD display, Keyboard) Troubleshooting 29 - Acer AL1916 | AL1916W Service Guide - Page 30
4.3 Abnormal (BIOS, OSD, Other Display) Troubleshooting 30 - Acer AL1916 | AL1916W Service Guide - Page 31
4.4 Audio Abnormal Troubleshooting 31 - Acer AL1916 | AL1916W Service Guide - Page 32
Connector Information 5.1 Function Block Diagram Chapter 5 Audio In D-sub Analog Video DC -19V OSD Key Pad/Audio AMP Speakers Main Board DC/DC DC-19V Inverter 3.3V Signal LCD Module Backlight 32 - Acer AL1916 | AL1916W Service Guide - Page 33
Green video input Blue video input 4 NC 5 Ground 6 Red video ground 7 Green video ground 8 Blue video ground 5.3 DC Connector 5.4 Audio Connector Pin No. 9 10 11 Pin Function NC Ground No connection 12 (SDA) 13 Horizontal sync (Composite sync) 14 Vertical sync 15 (SCL) DC Power Jack, d=3.0mm - Acer AL1916 | AL1916W Service Guide - Page 34
name Description FUNCTION PCBA FOR ,A190A2BUTTON H,A190A2-H-K2,106BOARD 02,REV.01 Vendor Part No. 35-D003068 INVERTER BOARD DAC-12M030B,VER:0F,5 V/3 A,12 V/0.7 A,L TYPE,5 MA,2470 V, 27-D003318 Main Board PCBA FOR ,A190A2T,A190A2-H-S1,10604,REV.03 35-D003169 CABLES FFC,1.00X22X106.5XCX 32 - Acer AL1916 | AL1916W Service Guide - Page 35
MONITOR CABLE Monitor 32F3018003 Cable,A150X2,30AWG, 180cm,Black,JCE Part name Description STAND BASE SEAT ASSY,A190A2H02 Vendor Part No. 40-D003442 LCD FRONT BEZEL Bezel Assy,A190E3-H02 40-D003450 LCD BACK REAR,A190A2-H02,ABS 40-D003444 COVER PA-757N, W/O AUDIO LCD STAND STAND - Acer AL1916 | AL1916W Service Guide - Page 36
Cover AD A190E3,cover_ad+mylar 41-D000546 The Table of Explosion Diagram 36 - Acer AL1916 | AL1916W Service Guide - Page 37
13 14 15 16 17 18 19 20 21 22 23 24 Parts Name 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