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

Table of Contents

Chapter 1 Monitor Features . . 8
1.1 Test Conditions . 8 1.2 Features . . 8 1.3 LCD Panel Specification . 9
Chapter 2 OPERATING INSTRUCTIONS . . 13
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 19 2.6 Plug and Play . .19 2.7 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 . 5.2 Connector Location . . 5.3 D-sub Mini 15Pin Connector . . 5.4 DC Connector . . . . 34 34
Chapter 6 FRU (Field Replaceable Unit . . .35

Monitor Features

1.1 Test Conditions

Chapter 1

Condition Normal room temperature (50 10% 100V 2V, 120 2V, 60Hz / 240 2V, 50Hz Maximum with OSD setting Middle with OSD setting 1280 x 1024 @60HZ With OSD setting Minolta CS-1000T Spectrometer and Photometer CA -210 or equivalent Before measuring, Auto Adjust & Auto Balance must be done in advance )
Item Temperature Humidity AC input voltage Brightness Contrast Resolution setting Color temperature Measuring instrument Others

1.2 Features

l l l l l l l l l l l l
19 SXGA TFT LCD Panel TN Mode Liquid Crystal D-SUB/ DVI-D Input Audio Function (Optional) Support to 75Hz Refresh Rate Support VESA-DCC 2B plug & play function Support VESA-DPMS & DVI DMPM Power Management Function Wide Viewing Angle High Brightness & Contrast Ratio High Brightness & Contrast Angular Dependent Fast LC Response Time Light Weight
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. Graphic Specification M190E5-L0A 376.32 (H) x 301.056 (V) (19.0 diagonal) a-si TFT Active Matrix 1280 x R.G.B. x 1024 0.294 (H) x 0.294 (V) RGB Vertical Stripe 16.2M Normally White Typical 150 / 130 Typical 280 Typical (Tr: 2 + Tf: 6) TTL Level Positive / Negative Positive / Negative D-Sub mini 15 pins, DVI-D 24 pins Clock, Phase, H Position & V Position VGA/SVGA/XGA/SXGA Full Screen Display VESA DPMS, DVI DMPM, ENERGY STAR Compliance User, 6500K, 7500K & 9300K English, French, German, Spanish, Italian, Japanese, Traditional Chinese, Simplified Chinese AC100~240 (Worldwide) Power source Power consumption

Unit LCD panel

Graphic

Horizontal Sync.

Vertical Sync. Input Connector Auto Adjust Screen Scaling Power Management Color Adjustment OSD Language

Performance

Power source Power consumption

Power Input

Operation Mode Power Saving Sleep Mode Power Saving OFF Mode
2W @230VAC 50Hz 1W @230VAC 50Hz 20 / -5 410.1 x 425.5 x 189.6 (W x H x T), (4.5) DDC 2B Compliance 5keys 2.5 W x2 Tilt angle Physical DCC Function

Tilt angle Physical DCC Function
Upward / Downward Dimension, weight Plug & Play Front key Audio & Speaker
Definition of Viewing Angle (x, y):

Normal x = y = 0

yX- = 90 xx-
y+ 12 oclock direction y+ = 90

6 oclock y- = 90

X+ = 90
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).
Definition of luminance measured points and Brightness Uniformity:
Horizontal Line Number [pixel]
Vertical Line Number [pixel]

X : Test point

Active area 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)]
Definition of Response Time (TR , TF ) and Measurement Method:

Gray Level 255

100% 90%
Optical Response Gray Level 0

10% 0%

(4) Luminance, Chromaticity and CCT Measurement Measurement System Setup: The LCD module should be stabilized at given temperature for 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.
LCD Module LCD Panel Center of the Screen
Spectrometer (Minolta CS1000T)

500 mm

Light Shield Room (Ambient Luminance < 2 lux)

OPERATING INSTRUCTIONS

Chapter 2

2.1 Function Name

2.1.1 Front

No. 1 2

Name Power Switch LED Indicator Power On/Off Green Orange

Descriptions

Normal operation Power management
MENU > < AUTO Speaker
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

2.1.2 Back

No. 12
Name Lock hole D-Sub DVI-D IN (Optional) Audio IN (Optional) AC-In Kensington D-sub mini 15pin Connector 24 pin connector Phone Jack 3.5 AC Power Jack
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 3. < >: Press this button for selection or adjustment when OSD is shown. 4. +/ : Used 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.

/ : 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 next layer of OSD menu; if executing OSD function, exit OSD function and save the value adjusted.
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. 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 Adjustment Color Temp. Adjustment Language Selection
OSD Setting Auto Adjustment Message Restore Exit
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.
Adjustments for clock, phase 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.
The color will change from white to pink while the function is selected.
2.5 OSD Function Definition
Primary Secondary Directory Directory Symbol Symbol Secondary Directory Items Contrast Brightness Phase Description Adjust the contrast between the foreground and background of an image on the screen Adjust the background brightness of the screen

N/A N/A

Adjust the focus of the image (for analog input adjustment only) Adjust the clock pulse of the image (for analog input Clock Pulse adjustment only) Move the image left and right on the screen (for analog Horizontal input adjustment only) Move the image up and down on the screen (for analog Vertical input adjustment only) 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 User Definition/Green User Definition/Blue Adjust red/green/blue gain
N/A N/A N/A N/A N/A N/A N/A N/A
English Deutsch Francis Espanola Italian ? ? ? ?
Select the language you want

Horizontal Vertical

Move OSD left and right Move OSD up and down
OSD Time Display Adjust OSD time display settings Set up horizontal, vertical, sequence and focus automatically (for analog input only)

Auto Adjustment

Analog Digital Message
Select the input source you want (for DVI Input only) Display resolution, H/V frequency and the input port used for current input timing function Restore to factory settings

Restore

Close the OSD window and save changes
2.6 Plug and Play u The new VESA Plug and Play function is used which eliminates the complicated and time-consuming installation process. u u 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.
2.7 Power Saver u u 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 click will return to the original image. u The VGA card inside the computer handles Power Saver. You can use computer software to set the function. u The LCD Monitor is compatible with EPA ENERGY STAR and N TEK if used with a VESA DPMS computer. u To save power, turn off the power of the LCD monitor when not in use.
MACHINE DISASSEMBLY AND ASSEMBLY
3.1 Disassembly Procedures

Chapter 3

Picture

Description

3.2 Assembly Procedures

Troubleshooting

Chapter 4
4.1 Abnormal Display Troubleshooting
4.2 Abnormal (ON/OFF, LCD display, Keyboard) Troubleshooting
4.3 Abnormal (BIOS, OSD, Other Display) Troubleshooting
4.4 Audio Abnormal Troubleshooting

Connector Information

5.1 Function Block Diagram

Chapter 5

OSD Key Pad / Audio Out Speaker
Audio In 3.3V Main Board LCD Module D-sub Analog Video DC/DC Signal
DC-5V DC-19V AC Power LIPS Backlight
5.2 D-sub mini 15pin Connector

Pin No. Red video input

Pin Function
Pin No. 15 NC Ground No connection (SDA)
Green video input Blue video input NC Ground Red video ground Green video ground Blue video ground
Horizontal sync (Composite sync) Vertical sync (SCL)
5.3 Audio Connector 5.4 AC Connector

Phone Jack, d=3.5mm

ac power jack
FRU (Field Replaceable Unit) List
Part List Picture Part name Description

Chapter 6

Vendor Part No.

Part name Description

Acer Computer (Shanghai) Limited
3F, No. 168 Xizang medium road, Huangpu District, Shanghai, China
Declaration of Conformity
3F, No. 168 Xizang medium road, Huangpu District, Shanghai, China Contact Person: Mr. Easy Lai Tel: 886-2-8691-3089 Fax: 886-2-8691-3000 E-mail: easy_lai@acer.com.tw

Hereby declare that:

Product: Trade Name: Model Number: SKU Number:
19 LCD Monitor Acer AL1917 AL1917xxx (x = 0~9, a ~ z, A ~ Z or Blank)
Is compliant with the essential requirements and other relevant provisions of the following EC directives, and that all the necessary steps have been taken and are in force to assure that production units of the same product will continue comply with the requirements.
EMC Directive 89/336/EEC as attested by conformity with the following harmonized standards:
-. EN55022:1998 + A1:2000 + A2:2003, AS/NZS CISPR22:2002, Class B -. EN55024:1998 + A1:2001 + A2:2003 -. EN61000-3-2:2000, Class D -. EN61000-3-3:1995 + A1:2001
Low Voltage Directive 73/23/EEC as attested by conformity with the following harmonized standard:

-. EN60950-1:2001

RoHS Directive 2002/95/EC on the Restriction of the Use of certain Hazardous Substances in Electrical and Electronic Equipment
--------------------------------
Easy Lai / Director Acer Computer (Shanghai) Limited