Acer AL2032W Service Guide Service guide files and updates are available on the CSD web: for more information, Please refer to http://csd.acer.com.
Copyright Copyright © 2004 by Acer Incorporated. All rights reserved. No part of this publication may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language or computer language, in any form or by any means, electronic, mechanical, magnetic, optical, chemical, manual or otherwise, without the prior written permission of Acer Incorporated. Disclaimer The information in this guide is subject to change without notice.
Conventions The following conventions are used in this manual: Screen messages Denotes actual messages that appear on screen Note Gives bits and pieces of additional information related to the current topic. Warning Alerts you to any damage that might result from doing or not doing specific actions. Caution Gives precautionary measures to avoid possible hardware or software problems. Important Reminds you to do specific actions relevant to the accomplishment of procedures.
Preface Before using this information and the product it supports, please read the following general information. 1. this Service Guide provides you with all technical information relating to the BASICCONFIGURATION decided for Acer’s “global” product offering. To better fit local market requirements and enhance product competitiveness, your regional office MAY have decided to extend the functionality of a machine (e.g. add-on card, modem, or extra memory capability).
WARNING: (FOR FCC CERTIFIED MODELS) NOTE: this equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy, and if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.
PRECAUTIONS Do not use the monitor near water, e.g. near a bathtub, washbowl, kitchen sink, laundry tub, Swimming pool or in a wet basement. Do not place the monitor on an unstable trolley, stand, or table. If the monitor falls, it can injure a person and cause serious damage to the appliance. Use only a trolley or stand recommended by the manufacture or sold with the monitor. If you mount the monitor on a wall or shelf, use a mounting kit approved by the manufacture and follow the kit instructions.
SPECIAL NOTES ON LCD MONITORS The following symptoms are normal with LCD monitor and do not indicate a problem. NOTES Due to the nature of the fluorescent light, the screen may flicker during initial use. Turn off the Power Switch and then turn it on again to make sure the flicker disappears. You may find slightly uneven brightness in the screen depending on the desktop pattern you use. The LCD screen has effective pixels of 99.99% or more. It may include blemishes of 0.
Table of contents Chapter 1 MONITOR FEATURE ………………………………………………………….9 Chapter 2 OPERATING INSTRUTION …………………………………………………….15 Chapter 3 Machine assembly ……………………………………………………………21 Chapter 4 TROBLE SHOOTING ………………………………………………………….27 Chapter 5 CONNECTOR INFORMATION ……………………………………………….29 Chapter 6 FRU LIST ………………………………………………………………………..
Chapter 1 Monitor Feature LCD Panel Input Driving system TFT Color LCD Size 20.1” wide Pixel pitch 0.258 mm Viewable angle 178(H) x 178 (V) degree Brightness LG panel: 300 cd/m2(typ) Contrast Ratio 600:1 (typ) Response time 16ms (Tr+Tf) Video R,G,B Analog & DVI box (optional) Separate Sync H/V TTL H-Frequency 31-81KHZ V-Frequency 50-75HZ Display Color 16.
Switch Function External Controls : Regulatory Compliance * Power Switch * MENU/ENTER * / Volume * / Volume * Auto Adjust KEY * Contrast/brightness * Focus * Clock * H.Position * W.Position * Language * OSD Color temperature * OSD Position & Timeout * Auto Config * Input * Information * Reset * Exit cUL, FCC, TUV, CE, ISO13406-2 Timeings The product has 29 memory modes in total. 19 modes are preset and 10 modes are user definable. MODE NO.
fv 70Hz(70.087) 60Hz (59.940) 66.7 HZ (66.667) 72.809Hz V-Total (ms ) 14.27(449 lines) 16.683 (525 lines ) 15.000 (525 lines ) 13.735(520 lines) V-Sync ( ms ) 0.064(2 lines) 0.064 (2 lines ) 0.086 (3 lines ) 0.079(3 lines) V-B-P (ms ) 1.112(35 lines) 1.049 (33 lines ) 1.114 (39 lines ) 0.739(28 lines) V-Active ( ms ) 12.71(400 lines) 15.253 (480 lines ) 13.714 (480 lines ) 12.678(480 lines) V-F-P ( ms ) 0.384(12 lines) 0.317 ( 10 lines) 0.086 (3 lines ) 0.237(9 lines) SYNC.
fh 48.077kHz 49.72kHz 48.363kHz 56.48kHz H-Total ( us ) 20.80 (1040dots) 20.11(1152 dots) 20.677(1344 dots) 17.71(1328 dots) H-Sync ( us ) 2.400 ( 120 dots) 1.12(64 dots) 2.092(136 dots) 1.81(136 dots) H-B-P ( us ) 1.280 (64 dots) 3.91(224 dots) 2.462(160 dots) 1.92(144 dots) H-Active ( us ) 16.00 (800 dots) 14.52( 832 dots ) 15.754(1024 dots) 13.65(1024 dots) H-F-P ( us ) 1.120 (56 dots) 0.56(32 dots ) 0.369(24 dots) 0.32(24 dots) fv 72Hz (72.188) 74.55Hz 60.004Hz 70.
SYNC. H/V -/- +/+ +/+ +/+ Y Y Y Y MODE NO. 17 18 19 20 RESOLUTION 1280 x 960 1600 x 1200 1280 x 720 Dot clock(MHz) 108 162 74.176 fh 60.000 KHz 75.000 KHz 44.955KHz H-Total ( us ) 16.667 (1800dots) 13.333 (2160 dots) 22.244 (1650dots) H-Sync ( us ) 1.037 ( 112 dots) 1.185 ( 192 dots) 0.539 ( 40 dots) H-B-P ( us ) 2.889 (312 dots) 1.877 (304 dots) 2.966 (220 dots) H-Active ( us ) 11.852 (1280 dots) 9.877 (1600 dots) 17.256 (1280 dots) H-F-P ( us ) 0.
Monitor Block Diagram +3.3V_I/O_MALIBU +2.5V_DDR +3.3V_LVDSA +1.8V_CORE +3.3V_LBADC +3.3V_LVDSB +1.8V_DVI +3.3V_LVDS +1.8V_ADC +3.3V_DVI +3.3V_PLL +3.
PCB CONDUCTOR VIEW Main Board - 15 -
Button Board - 16 -
Chapter 2 OPERATING INSTRUCTIONS Front Panel Definition This Section defines the front panel User Interface for Led Indictor and Key function. Key Definition: There are five keys defined in this system and described bellows. * Adjusting display settings External Controls Power on/off 1 ○ POWER Blue: power on Orange: in sleep mode 2 ○ 3 ○ 4 ○ 5 ○ OSD Function Press to view OSD. Press again to enter a selection in OSD. If OSD is active, press to select or adjust OSD options.
OSD Menu Picture Brightness: This adjusts the brightness of the picture on the screen. Contrast: This adjusts dark and light shades of color relative to each other to achieve a comfortable contrast. Color temp. : There are three ways of adjusting color: Warm (Reddish white) Cool (Bluish white) User : You can adjust the colors red, green and blue to the intensity you desire. Focus: This removes any horizontal distortion and makes the picture clear and sharp.
Option Auto Config. : System runs auto-configuration. Reset: Recall to default settings. Information: This shows brief information on the screen. Setting Language: Select the OSD menu language from English, French, German, Italian, Spanish, Simplified Chinese, Traditional Chinese, Japanese and Russian. OSD H. Position OSD V. Position OSD Time-out This changes the position of the OSD window on the screen and staying time.
LOGO : When the monitor is power on, the LOGO will be showed in the center, and disappear slowly. HOW TO OPTIMIZE THE DOS-MODE Plug and play Plug & play DDC2B feature This monitor is equipped with VESA DDC2B capabilities according to the VESA DDC STANDARD. It allows the monitor to inform the host system of its identity and, depending on the level of DDC used, communicate additional information about its display capabilities. The communication channel is defined in two levels, DDC2B.
USING THE RIGHT POWER CORD The accessory power cord for the Northern American region is the wallet plug with NEMA 5-15 style and is UL listed and CSA labeled. The voltage rating for the power cord shall be 125 volt AC. Supplied with units intended for connection to power outlet of personal computer: Please use a cord set consisting of a minimum No. 18 AWG, type SJT or SVT three conductors flexible cord. One end terminates with a grounding type attachment plug, rated 10A, 250V,CEE-22 male configuration.
Chapter 3 Machine assembly This chapter contains step-by-step procedures on how to assemble the monitor for maintenance and trouble shooting NOTE : 1. The screws for the different components vary in size. During the disassembly process, group the screws with the corresponding to avoid mismatch when putting back the components. 2. Note : The monitor surface is susceptible to scratching! Therefore, lay the monitor on a soft surface when mounting or removing the base. 3. Wear gloves.
Real View : Top View : - 23 -
Side View : ( unit : mm ) Assembly process Picture Description 1. Get the panel and put it on the table carefully. 1. Fix left and right bracket (BKT) on the panel.
1. Get bezel and put it on the table 2. Assemble panel into bezel 1. Lock screw * 3 pcs to fasten bezel and left side bracket (BKT) . 2. Lock screw * 3 pcs to fasten bezel and right side bracket (BKT). 1. Insert LCD cable in panel connector 1. Assemble speaker on the bezel 1. Tidy speaker cable as picture shows. 1. Assemble PCB BKT on the L/R of BKT 2.
1. Get inverter and insert cable 2. Insert button cable in main board connector 1. Lock 4*pcs screw to fasten m/b and PCB BKT 1. First to lock 4*pcs screw to fasten Inverter board on the PCB BKT 2. Get m/b and insert speaker cable, then assemble it on the 1. Lock 4 pcs screw to fasten m/b on the pcb BKT 1.
1. Lock screw*2pcs to fasten panel hold 1. insert LCD cable in m/b connector 1. Assemble shielding and pcb BKT 2. Lock 7pcs screw to fasten shielding 3. Insert ccft cable L/R of into inverter/b connector 1. Stick al foil *2pcs on ccft connector of pcb shielding 1. Lock io nut 2pcs in VGA connector 1.
1. Insert button/b cable in button/b connector 1. Assembly back cover and bezel 2. Lock screw * 6 pcs to fasten and back cover 1. Lock screw*2 pcs to fasten bezel and PCB shielding. 2. Assembly DVI box, if necessary. 1. Assembly stand base and back cover. 2. lock screw *6 pcs to fix it. 1. Assembly VESA cover and back cover.
Chapter 4 TROUBLE SHOOTING This chapter provides trouble shooting information forAL2032 1. No Power No Power Check Adaptor Power NO Output =18V Change Adaptor Power Board OK Check Scalar Module Output NO L4 =5V? Change Scalar Module Board U4 #2 = 3.3V ? L 13 = 1.
2. No Characters , Missing one color NoCharacters Missing one color Check CN4 No Change Adaptor 12Vdc Output OK Check L4 No 5Vdc Output Check or Change U2 , Q6 , D3 OK Check U6(pin2) No 1.8Vdc Output Check or Change U6 OK Check U4(pin2) No 3.3Vdc Output Check or Change U4 OK Change Inverter Board No Check Inverter From Check CN2 to Panel Scaler board OK ? Signal Output No OK Check or Change Check X Tal Cable Or Panel 14.
3.
Chapter 5 Connector Information Phonejack stereo PIN1. AC power cord : CEE22 typed connector PIN2. Audio cable PIN3.
Proprietary connecting of DVI box The 44 pin of proprietary DVI box is defined as follows: 1 RX2- 23 SCART_FUNC 2 RX2+ 24 KEY3 3 RX1- 25 SCART RGB_CON 4 RX1+ 26 SCL5V 5 RX0- 27 nYCOEN 6 RX0+ 28 SDA5V 7 RXC- 29 NVDSW_SEL 8 RXC+ 30 HSCL 9 GND 31 REST 10 GND 32 HSDA 11 Y0 33 DVI_ DETECT 12 Y1 34 CORD_ RESET 13 Y2 35 CORD_DETECT 14 Y3 36 ADO_L 15 Y4 37 DETECT 16 Y5 38 AGND 17 Y6 39 IR0 18 Y7 40 ADO_R 19 LLC VPC 41 V51R 20 KEY1 42 GND
Chapter 6 FRU (Field Replaceable Unit) list This chapter gives you the FRU (Field Replaceable Unit) listing in global configurations of AL2032W. Refer to this chapter whenever ordering for parts to repair or for RMA (Return Merchandise Authorization). NOTE : Please note WHEN ORDERING FRU PARTS, that you should check the most up-to-date information available on your regional web or channel(http://aicsl.acer.com.tw/spl/).
AL2032W Exploded Diagram 35 Chapter 6
Chapter 7 SCHEMATIC DIAGRAM Main Board Circuit +1.8V_CORE V 5 2/ F u 8 2 5 2 C 6/ F u 7 1 4 . 1 0 C V 5 2/ F u 7 22 5 C 6/ F u 11 4 . 10 C 6/ F u 0 1 5 . 1 0 C 6/ F u 41 5 0. 1 C 6/ F u 51 3 . 10 C 6/ F u 8 1. 3 1 0 C 6/ F u 0 1 4 0. 1 C 6/ F u 9 1. 3 10 C 6/ F u 7 1 3 . 1 0 C 6/ F 6/ u 61 F 3 . u 1 0 2 1. 2 0 C 1 C 6/ F u 51 4 0. 1 C 6/ F u 3 1 5 . 1 0 C 6/ F u 61 4 . 10 C +3.3V_LBADC +2.5V_DDR GND V 5 2/ F u 7 22 3 C GND V 5 2/ 6 Fu 4 C 22 V 5 2/ F u 5 22 4 C 6/ F u 4 1 2 0.
+12V 12V_A L20 C204 0.1uF/6 CX000800000/1206 SPKRO+ SPKRO- C205 0.1uF/6 CN9 12V_A 1 5 4 3 2 ZD005D100 lef t_inR109 R110 6/ 3 F 1 p 1 0 C 2 2 AGND 0/6 6/ 4 F 1 p 1 0 C 2 2 AGND AGND +12V C N/ 6/ K 1. 5 4 1 1 R AGND 6/ F p 0 2 2 0 2 1 C 6/ F p 0 1 2 0 2 1 C 4K7/6 2 3 AGND 0M 1 QM 6/ K 0 1 6 7 R 1 AGND AGND LIN C75 1u/8 2 C79 1u/8 3 C83 1u/8 4 C85 1u/8 5 C95 1u/8 6 7 10 11 6/ F u 1. 0 9 9 1 C AGND L36 CX000800000/1206 LIN_L C202 1u/8 6/ F u 1.
+1.8V_CORE +1.8V_DVI +3.3V_ADC L12 CX000800000/1206 L14 CX000800000/1206 +3.3V_PLL +3.3V_LVDSA +3.3V_LVDS L18 CX000800000/1206 L6 CX000800000/1206 L9 CX000800000/1206 L11 +3.3V_LBADC +3.3V_DVI +3.3V_DIG CX000800000/1206 +3.3V_LVDSB L19 CX000800000/1206 L7 CX000800000/1206 L10 CX000800000/1206 L26 CX000800000/1206 H6 H5 2 3 4 5 2 3 4 5 9 8 7 6 1 1 GND GND +3.
+3.3V_DIG R40 R43 R67 OCMADDR18 OCMADDR17 OCMADDR16 OCMADDR15 OCMADDR14 OCMADDR13 OCMADDR12 OCMADDR11 OCMADDR10 OCMADDR9 OCMADDR8 OCMADDR7 OCMADDR6 OCMADDR5 OCMADDR4 OCMADDR3 OCMADDR2 OCMADDR1 OCMADDR0 6/ F u 9 1. 5 0 C V 5 2/ 0 F 6 u C 2 2 /OCM_WE /OCM_RE /OCM_CS 4 /OCM_WE 4 /OCM_RE 4 /ROM_CS Socke t for a X8 Flash (64/128/256/512K) and PROM JETm em ory Em ulator +3.3V_DIG 10K/6/NC 10K/6 10K/6 GND 1 30 2 3 29 28 4 25 23 26 27 5 6 7 8 9 10 11 12 OCMADDR[0..19] 4 OCMADDR[0..
