Acer AL1913 AL1913 LCD Monitor Service Guide
Acer AL1913 Manual
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Acer AL1913 manual content summary:
- Acer AL1913 | AL1913 LCD Monitor Service Guide - Page 1
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 1 - Acer AL1913 | AL1913 LCD Monitor Service Guide - Page 2
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1 Monitor Features 8 1.1 Test Conditions 8 1.2 Features 8 1.3 LCD Panel Specification 9 Chapter 2 OPERATING INSTRUCTIONS 12 2.1 Function Name 12 2.2 OSD Menu Description 14 2.3 OSD Control 15 2.4 OSD Menu Screen 15 2.5 OSD Function Definition 17 2.6 Plug and Play 18 2.7 Power Saver - Acer AL1913 | AL1913 LCD Monitor Service Guide - Page 8
Balance" must be done in advance 1.2 Features l 19" SXGA TFT LCD Panel l MVA Mode Liquid Crystal l D-SUB/ DVI-D Input l Audio Function l Support to 75Hz Refresh Rate l Support VESA-DCC 2B plug & play function l Support VESA-DPMS & DVI DMPM Power Management Function l Super Wide Viewing Angle l High - Acer AL1913 | AL1913 LCD Monitor Service Guide - Page 9
LCD panel Specification Technical Specifications Panel Dimension Diagonal 481.9mm (19 inch) LCD display Max. Resolution 1,280 x 1,024/ S XGA Max. Pixel Up to 16.2M true color LCD Phone Jack, d=3.5mm (Optional) Power Transformer AC100~240Volts, 50/60Hz Power Consumption 65W / Standby 3W - Acer AL1913 | AL1913 LCD Monitor Service Guide - Page 10
(1) Definition of Viewing Angle (θx, θy): Normal θx = θy = 0º θX- = 90º x- θy- θy+ θxθx+ 12 o'clock direction y+ θy+ = 90º 6 o'clock θy- = 90º y- x+ θX+ = 90º (2) Definition of Contrast Ratio (CR): The contrast ratio can be calculated by the following expression and figure below. - Acer AL1913 | AL1913 LCD Monitor Service Guide - Page 11
during measuring. In order to stabilize the luminance, the measurement should be executed after lighting Backlight for 20 minutes in a windless room. LCD Module LCD Panel Center of the Screen Photometer (TOPCON BM-5A) Field of View = 2 º 500 mm Light Shield Room (Ambient Luminance < 2 lux) 11 - Acer AL1913 | AL1913 LCD Monitor Service Guide - Page 12
OPERATING INSTRUCTIONS 2.1 Function Name 2.1.1 Front Chapter 2 2 No. Name Descriptions 1 Power Switch Power On/Off LED Indicator Green 2 Orange Normal operation Power management 3 MENU OSD control MENU button 4 > Right selection/ Volume button (AL1714m/AL1714bm) 5 < Left selection/ - Acer AL1913 | AL1913 LCD Monitor Service Guide - Page 13
2.1.2 Back No. Name 8 D-Sub 9 DVI 10 Audio IN 11 DC-In 12 Lock hole Descriptions D-sub mini 15pin Connector DVI-D 24pin Connector Phone Jack 3.5 DC Power Jack, d=3.0mm Kensington 13 - Acer AL1913 | AL1913 LCD Monitor Service Guide - Page 14
: 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 and click < to minus volume. 5. AUTO: Press this button to exit the manual when OSD is shown. Press this button for the display to optimize the position - Acer AL1913 | AL1913 LCD Monitor Service Guide - Page 15
the MENU to select the function to be adjusted. 4. Click < or > to change current settings. 5. To exit OSD, select " " to close the OSD window and save changes. To change other settings, repeat steps 2-4. 2.4 OSD Menu Screen Bright/Contract Adjustment Phase/Clock pulse Adjustment Horizontal/Vertical - Acer AL1913 | AL1913 LCD Monitor Service Guide - Page 16
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. u Adjustments for clock, phase and positions are saved for each signal timing. Except for these - Acer AL1913 | AL1913 LCD Monitor Service Guide - Page 17
2.5 OSD Function Definition Primary Directory Symbo Secondary Directory Symbol N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A Secondary Directory Items Description Contrast Brightness Phase Clock Pulse Horizontal Vertical Warm Color Temp. Cold Color Temp. User Definition/Red User Definition/ - Acer AL1913 | AL1913 LCD Monitor Service Guide - Page 18
Display resolution, H/V frequency and the input port used for current input timing function Restore to factory settings Close the OSD window 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 - Acer AL1913 | AL1913 LCD Monitor Service Guide - Page 19
MACHINE DISASSEMBLY AND ASSEMBLY 3.1 Disassembly Procedures Chapter 3 2 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. 19 - Acer AL1913 | AL1913 LCD Monitor Service Guide - Page 20
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 20 - Acer AL1913 | AL1913 LCD Monitor Service Guide - Page 21
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 21 - Acer AL1913 | AL1913 LCD Monitor Service Guide - Page 22
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 22 - Acer AL1913 | AL1913 LCD Monitor Service Guide - Page 23
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 23 - Acer AL1913 | AL1913 LCD Monitor Service Guide - Page 24
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 24 - Acer AL1913 | AL1913 LCD Monitor Service Guide - Page 25
Troubleshooting 4.1 Abnormal Display Troubleshooting Chapter 4 2 25 - Acer AL1913 | AL1913 LCD Monitor Service Guide - Page 26
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4.2 Abnormal (ON/OFF, LCD display, Keyboard ) Troubleshooting 27 - Acer AL1913 | AL1913 LCD Monitor Service Guide - Page 28
4.3 Abnormal (BIOS, OSD, Other Display ) Troubleshooting 28 - Acer AL1913 | AL1913 LCD Monitor Service Guide - Page 29
4.4 Audio Abnormal Troubleshooting 29 - Acer AL1913 | AL1913 LCD Monitor Service Guide - Page 30
Connector Information 5.1 Function Block Diagram Chapter 5 2 Audio In DVI-D Digital Video D-sub Analog Video DC -19V Speaker Audio OSD Key Main DC/D DC-19V Inverter 3.3V LCD Signal Backlight 30 - Acer AL1913 | AL1913 LCD Monitor Service Guide - Page 31
5.2 Connector Location CN1 J1 CN2 CN3 CN4 P1 JP1 31 - Acer AL1913 | AL1913 LCD Monitor Service Guide - Page 32
110 T.M.D.S Data 1+ 11 T.M.D.S Data 1 Ground 12 NC Pin No. 13 NC 14 NC 15 Ground Pin Function 16 Hot Plug Detect 17 T.M.D.S Data 0- 18 T.M.D.S Data 0+ 19 T.M.D.S Data 0 Ground 20 NC 21 NC 22 T.M.D.S Clock Ground 23 T.M.D.S Clock+ 24 T.M.D.S Clock- 5.5 DC Connector DC - Acer AL1913 | AL1913 LCD Monitor Service Guide - Page 33
GND AUDIO/LAUDIO/L+ AUDIO/RAUDIO/R+ PWR_SW LED_O LED_G KEY_UP KEY_DOWN MENU AUTO_ADJ SOURCE_SEL Description GROUND GROUND GROUND AUDIO OUTPUT AUDIO OUTPUT AUDIO OUTPUT AUDIO OUTPUT POWER KEY ORANGE LED GREEN LED UP KEY DOWN KEY MENU KEY AUTO ADJUSTMENT INPUT SOURCE SELECTION 33 - Acer AL1913 | AL1913 LCD Monitor Service Guide - Page 34
5.7.3 CN3 Pin assignment Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 Symbol XA0 OE CKV GND VGD VGD PANEL_VGL STV PANEL_VGL PANEL_VGL GND - Acer AL1913 | AL1913 LCD Monitor Service Guide - Page 35
ER2P 41 ESTH 42 GND 43 VSD 44 VSD 45 VSD 5.7.4 CN4 Pin assignment Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 Symbol VCOM VCOM VCOM GND GND OB0N OB0P OB1N OB1P OB2N OB2P GND OCLKN OCLKP GND GMA1 GMA2 GMA3 GMA4 GMA5 VSA - Acer AL1913 | AL1913 LCD Monitor Service Guide - Page 36
23 VSA DATA IC VOLTAGE 24 VSA DATA IC VOLTAGE 25 VSA DATA IC VOLTAGE 26 GMA6 GAMMA VOLTAGE 27 GMA7 GAMMA VOLTAGE 28 GMA8 GAMMA VOLTAGE 29 GMA9 GAMMA VOLTAGE 30 GMA10 GAMMA VOLTAGE 31 GND GROUND 32 OG0N ODD PATH GREEN DATA BIT 33 OG0P ODD PATH GREEN DATA BIT 34 OG1N - Acer AL1913 | AL1913 LCD Monitor Service Guide - Page 37
Unit) List Chapter 6 2 Part List Picture Partname Description Adapter (Black) ADAPTER 3.42A 65W 3PIN BLACK Vendor Part No. 2719065193 FUNCTION PCBA FOR A190E2 BUTTON BOARD 35A19K020 5 INVERTER INVERTER BOARD BOARD TWS-444-983 2714000022 Main Board AL1913 MAINBOARD 35A19S020 3 CABLE FFC - Acer AL1913 | AL1913 LCD Monitor Service Guide - Page 38
,60X23M M,PITCH=0.5MM MONITOR MONITOR 32F3018003 CABLE CABLE,180CM, BLACK (BLACK) AUDIO CABLE (BLACK) AUDIO 32F2818004 CABLE,180CM,BLACK Part name Description STAND BASE ABS, Black, Vendor Part No. 40A1992212 LCD FRONT BEZEL Bezel Assy, W/SPK, BLACK 40A1922913 LCD BACK Rear Assy - Acer AL1913 | AL1913 LCD Monitor Service Guide - Page 39
Hinge Cover COVER HINGE,BLACK 40A1992206 MAINBOAR COVER AD,A190E2 D COVER 41A1999106 39 - Acer AL1913 | AL1913 LCD Monitor Service Guide - Page 40
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Schematic Diagram Main Board Chapter 7 2 41 - Acer AL1913 | AL1913 LCD Monitor Service Guide - Page 42
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