- 1 - Acer AL1923 (Dual) Service Guide Service guide files and updates are available on the CSD web: for more information, Please refer to ht
- 10 - Plug & Play VESA DDC2B ON Mode <40W EPA ENERGY STAY OFF Mode <2W Audio output Rated Power 2.0W rms(Per channel) Input Con
- 11 - Timings The product has 26 memory modes in total. 16 modes are preset and 10 modes are user definable. MODE NO. 1 2 3 4 RESOLUTION
- 12 - H-B-P ( us ) 3.810 (120 dots) 3.56(128 dots) 2.200 ( 88 dots) 3.232 (160 dots) H-Active ( us ) 20.317 (640 dots) 22.22(800 dots) 20.00 (
- 13 - MODE NO. 13 14 15 16 RESOLUTION 1024 x 768 1280 x 1024 1280 x 1024 1152 x 864 Dot clock(MHz) 78.75 108 1
- 14 - Monitor Block Diagram
- 19 - Chapter 2 OPERATING INSTRUCTIONS Front Panel Definition This Section defines the front panel User Interface for Led Indictor and Key funct
- 20 - OSD Menu Picture Brightness: This adjusts the brightness of the picture on the screen. Contrast: This adjusts dark and light shad
- 21 - Option Auto Config. : System choose signal “Analog or Digital” Reset: Recall to default settings. Information: This shows
- 2 - Copyright Copyright © 2003 by Acer Incorporated. All rights reserved. No part of this publication may be reproduced, transmitted, transcrib
- 22 - LED Definition The system equips one dual color (blue/amber) led to indict system status and defined as bellows : LOGO : W
- 23 - THIS MONITOR WILL APPEAR TO BE NON-FUNCTIONAL IF THERE IS NO VIDEO INPUT SIGNAL. IN ORDER FOR THIS MONITOR TO OPERATE PROPERLY, THERE MUST BE
- 24 - Chapter 3 Machine assembly This chapter contains step-by-step procedures on how to assemble the monitor for maintenance and trouble shooting
- 25 - Real View : Top View :
- 26 - Side View : ( unit : mm ) Exploded view
- 27 - Assembly process Picture Description 1. [GET PCB SHIELD AND PUT IT IN THE MIDDLE OF CONVEYER] 1. [GET M/B AND LCD CABLE,THE
- 28 - 1. INSERT SPEAKER CABLE IN M/B CONNECTOR 2. GET M/B AND ASSEMBLE IT WITH POWER/B,THEN ASSEMBLE THEM IN PCB SHIELD 1. FASTE
- 29 - 1. GET THE SHIELD AT FRONTAGE OF THE CONVEYER 2. GET PANEL AND PUT IT ON THE CONVEYER, THEN TEAR OFF THE INCOMING TAPE
- 30 - 1. FETCH TRAVEL CARD, TEAR OFF 1*PCS S/N FROM TRAVEL CARD AND PASTE IT ON THE PANEL BACK,THEN SCAN S/N AND PANEL CODE 2. GET LEFT BK
- 3 - Conventions The following conventions are used in this manual: Screen messages Denotes actual messages that appear on screen Note Gi
- 31 - 1. SCAN S/N AND POWER CODE 2. FASTEN BKT AND BEZEL IN THE RIGHT SIDE WITH SCREW 3*PCS 1. SCAN S/N AND M/B CODE 2. FASTEN B
- 32 - 1. GET SHIELD ON THE BKT R/L 2. INSERT LCD CABLE INTO PANEL CONNECTOR 3. STICK 1*PCS YELLOW TAPE TO FASTEN LCD CABLE 4. TRIM W
- 33 - 1. FASTEN 2*PCS IO-NUT IN THE VGA JOINT 2. FASTEN 2*PCS IO-NUT IN THE M/B JOINT 3. INSERT CCFT CABLE IN POWER/B 1. STICK AL FOI
- 34 - 1. CHECK THE Q’TY AND LOCATION OF AL FOIL 1. GET LCD COVER AND INSPECT ITS APPEARANCE 2. ASSEMBLE LCD COVER TO BEZEL 3. STI
- 35 - 1. AT FIRST CHECK IF 2*PCS SCREW IN THE COVER IS LOST 2. LOCK 4*PCS SCREW (M4*10-B) TO FASTEN STAND NECK 1. INSERT V
Trouble Shooting 1. No Power No Power Check CN7 +12V and +5VNO Change Power Board No Yes Check Short Of Main Board Check U13=1.8VU12=3.3V NO Change
2. Missing Color Missing Color Check VGA or DVI CableNO Change Cable Yes Check R9,R11,R12 Change R9,R11,R12,U4 NO Yes NO Check CN5 LVDS Signal Chang
- 39- Chapter 5 Connector Information Phonejack stereo PIN1. AC power cord : CEE22 typed connector PIN2. Audio cable PIN3. Audio
- 40- The PIN assignment of the 24 pin DVI D connector / cable is as follows: PIN Signal PIN Signal 1 TMDS data2- 13 NC 2 TMDS data2+ 1
- 4 - Preface Before using this information and the product it supports, please read the following general information. 1. This Service Guide
- 41 - Chapter 6 FRU (Field Replaceable Unit) list This chapter gives you the FRU (Field Replaceable Unit) listing in global configurations of A
- 42- Chapter 7 SCHEMATIC DIAGRAM Main Board Circuit
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- 48 - Chapter 8 Power Board Current set Information When the lamp curren
- 5 - WARNING: (FOR FCC CERTIFIED MODELS) NOTE: this equipment has been tested and found to comply with the limits for a Class B digital device,
- 6 - PRECAUTIONS l Do not use the monitor near water, e.g. near a bathtub, washbowl, kitchen sink, laundry tub, Swimming pool or in a wet basem
- 7 - SPECIAL NOTES ON LCD MONITORS The following symptoms are normal with LCD monitor and do not indicate a problem. NOTES l Due to the nat
- 8 - Table of contents Chapter 1 MONITOR FEATURE ………………………………………………………….9 Chapter 2 OPERATING INSTRUTION …………………………………………………….19 Chapter 3 M
- 9 - Chapter 1 Monitor Feature Driving system TFT Color LCD Size 19" Pixel pitch 0.294 mm Viewable angle AU panel 8ms :70/60/70/70 degre
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