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AL2023W Service Guide - Page 1
Acer AL2023W Service Guide
Service guide files and updates are available on the CSD web: for more information, Please refer to http://csd.acer.com.tw/
100% Recycled Paper
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AL2023W Service Guide - Page 2
... servicing, repair, and any incidental or consequential damages resulting from any defect in this manual is sold or licensed "as is a registered trademark of their respective holders.
- 2 - Acer is subject to the contents hereof and specifically disclaims any warranties of merchantability or fitness for any particular purpose, Any Acer Incorporated software described in the software...
AL2023W Service Guide - Page 3
... that appear on screen Gives bits and pieces of procedures.
- 3 - Conventions
The following conventions are used in this manual:
Screen messages Note Warning Caution Important
Denotes actual messages that might result from doing or not doing specific actions.
Gives precautionary measures to avoid possible hardware or software problems.
Reminds you to the current topic.
AL2023W Service Guide - Page 4
... FRU list of customer machines.
- 4 - add-on your regional Acer office to those given in this generic service guide. In such cases, please contact your regional office MAY have a DIFFERENT part number code to order FRU parts for Acer's "global" product offering. please not WHEN ORDERING FRU PARTS, that you with all technical information relating to -date information...
AL2023W Service Guide - Page 5
... to provide reasonable protection against harmful interference in a particular installation. Refer servicing to rain or moisture. If this equipment does cause harmful interference to radio or television reception, Which can radiate radio frequency energy, and if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. The changes...
AL2023W Service Guide - Page 7
... afterimage of 99.99% or more. In this case, the screen is displayed for hours.
- 7 - SPECIAL NOTES ON LCD MONITORS
The following symptoms are normal with LCD monitor and do not indicate a problem. z Due to make sure the flicker disappears.
z The LCD screen has effective pixels of the previous screen may flicker during...
AL2023W Service Guide - Page 24
...OSD
4
Right/ is
5
AUTO inactive, press and the monitor will automatically optimize the
position, focus and clock of your display... defined in this system and described bellows. * Adjusting display settings
External Controls
Power on/off
1
POWER Green: power on
...to select or adjust OSD options. Chapter 2
OPERATING INSTRUCTIONS
Front Panel Definition
This Section defines the front panel ...
AL2023W Service Guide - Page 26
OSD Settings: This changes the position of the OSD window on the screen and the staying time. Language for EMEA: Select the OSD menu language. Input signal: Select either Analog Input or Digital Input video.
- 26 - Select from English, German, Spanish, Russia, Nederlands, French, Italian, and Finnish. Language for Asia: Select the OSD menu language. Select...
AL2023W Service Guide - Page 27
... off level R,G,B GAIN : Adjust current RGB Driver value. VERSION : Display F/W version and panel vender and DDC serial no.
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AUTO COLOR : Perform Auto Balance measurement by chip set internal frequency spread effect for hot running monitor panel and inverter. COLOR UPDATE: Force presently R,G,B offset and gain parameters update to initial all other color temperature detail...
AL2023W Service Guide - Page 30
... Confederation Employees (NUTEK). IN ORDER FOR THIS MONITOR TO OPERATE PROPERLY, THERE MUST BE A VIDEO INPUT SIGNAL. When there is UL listed and CSA labeled. THIS MONITOR WILL APPEAR TO BE NON-FUNCTIONAL IF THERE IS NO VIDEO INPUT SIGNAL. This feature is designed to use a cord set by pressing a key on type connector body...
AL2023W Service Guide - Page 31
... to scratching! The screws for maintenance and trouble shooting NOTE : 1. Wear gloves. Front View: ( unit : mm )
- 31 - Chapter 3
Machine assembly
This chapter contains step-by-step procedures on a soft surface
when mounting or removing the base. 3. Therefore, lay the monitor on how to assemble the monitor for the different components vary in size.
AL2023W Service Guide - Page 44
... Power Board
No
Check Short Of Main Board
NO Change Q3,D1,U1,D2
NO Change X1
NO Change U5 or U4
Change U5
RUN Software ISP
Check Bottom Board
Check CN1 +12V and +5V
Yes
Check D1=1.8V U1 out=3.3V Yes
Check X1=24MHz
Yes
Check U5 Pin 42...
AL2023W Service Guide - Page 49
... 6
This chapter gives you the FRU (Field Replaceable Unit) listing in global configurations of this chapter whenever ordering for parts to repair or for RMA (Return Merchandise Authorization). For ACER-AUTHORIZED CERVICE PROVIDERS, your Acer office may have a DIFFERENT part number code to those given in the printed Service Guide. For whatever reasons a part number change is made, it , or...
AL2023W Service Guide - Page 60
...
R234
1
PC201A
B
R231
C231 R232
K2
R IC230
R233
A
CY103 3
TILE: FSP043-2PI02S(OPEN FRAME)
P/N: 3BS0128710GP
DESIGNER: Jean_Cheng PCB File: 43-2PI2SA0.PCB
File: C:\Documents and Settings\alexlu\
size: A4 rev: 1.00 A
Date: 1-Mar-2006
Sheet 2 of 2
\43-2PI2SA0.ddb -
AL2023W Service Guide - Page 61
Chapter 8
Power Board Information
Panel P/N
AAM201EW121
Description
Current Type Value
LCD(TFT)20" M201EW02 V8 FOR ACER CON GP
7. 5mA
P/B P/N
AS05B312426
Description
ADP/INV,FSP055-2PI02(90-264V,6.~7.5MA)GP
When the lamp current value is 7.5mA, the jumper should be done as the picture left shows.
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