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Comments to date: 5. Page 1 of 1. Average Rating:
JP66 3:10am on Friday, October 22nd, 2010 
Acer AL1706 Great Monitor I have just received my new Acer AL1706 from Amazon. Inexpensive , quality monitor (VGA-connector). I bought this monitor new from Amazon and have owned it for about a week now.
candrews 10:20am on Sunday, September 26th, 2010 
Great monitor Purchased more than 12 months ago to replace an old CRT 15" this Monitor has excellent picture quality.
fgdfdfg 6:05am on Thursday, August 12th, 2010 
ACER LCD monitor 17" I love this monitor - it has given me much more room on my desk. Acer 17 inch monitor Great monitor at a good price. Just plugged it in to my Mac and it worked.
Mitco.Ja. 1:45pm on Saturday, July 31st, 2010 
Used Acer AL1706 like new The monitor is in good working condition as promised by seller and delivery was fast. Rip Off Exactly one year after we purchased this product it no longer works. And the last 6 months has been touch and go.
Burton 9:27am on Wednesday, May 26th, 2010 
Inexpensive , quality monitor (VGA-connector). I bought this monitor new from Amazon and have owned it for about a week now.

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Documents

doc0

Acer AL1923 (Dual) 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

Copyright
Copyright 2003 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. Acer Incorporated makes no representations or warranties, either expresses or implied, with respect to the contents hereof and specifically disclaims any warranties of merchantability or fitness for any particular purpose, Any Acer Incorporated software described in this manual is sold or licensed as is. Should the programs prove defective following their purchase, the buyer (and not Acer Incorporated, its distributor, of its dealer) assumes the entire cost of all necessary servicing, repair, and any incidental or consequential damages resulting from any defect in the software.
Acer is a registered trademark of Acer Corporation. Intel is a registered trademark of Intel Corporation. Pentium and Pentium II/III are trademarks of Intel Corporation. Other brand and product names are trademarks and/or registered trademarks of their respective holders.

Conventions

The following conventions are used in this manual:

Screen messages Note

Denotes actual messages that appear on screen Gives bits and pieces of additional information related to the current topic. Alerts you to any damage that might result from doing or not doing specific actions. Gives precautionary measures to avoid possible hardware or software problems. Reminds you to do specific actions relevant to the accomplishment of procedures.

Warning Caution

Important

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 BASICCONFIGURATION decided for Acer global product offering. To better fit local market requirements and enhance product s competitiveness, your regional office MAY have decided to extend the functionality of a machine (e.g. add-on card, modem, or extra memory capability). These LOCALIZED FEATURES will NOT be covered in this generic service guide. In such cases, please contact your regional offices or the responsible personnel/channel to provide you with further technical details. 2. Please not WHEN ORDERING FRU PARTS, that you should check the most up-to-date information available on your regional web or channel. If, for whatever reason, a part number change is made, it will not be noted in the printed Service Guide, for ACER-AUTHORIZED SERVICE PROVIDERS, your Acer office may have a DIFFERENT part number code to those given in the FRU list of this printed Service Guide. You MUST use the list provided by your regional Acer office to order FRU parts for repair and service of customer machines.
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. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, Which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: 1. Reorient or relocate the receiving antenna. 2. Increase the separation between the equipment and receiver. 3. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. 4. Consult the dealer or an experienced radio/TV technician for help.

NOTICE:

1. The changes or modifications not expressly approved by the party responsible for compliance could void the user authority to operate the equipment. s 2. Shielded interface cables and AC power cord, if any, must be used in order to comply with the emission limits. 3. The manufacturer is not responsible for any radio or TV interference caused by unauthorized modification to this equipment. It is the responsibility of the user to correct such interference. As an ENERGY STAR Partner our company has determined that this product meets the ENERGY STAR guidelines for energy efficiency.

WARNING:

To prevent fire or chock hazard, do not expose the monitor to rain or moisture. Dangerously high voltages are present inside the monitor. Do not open the cabinet. Refer servicing to qualified personnel only.
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 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. Slots and openings in the back and bottom of the cabinet area provided for ventilation. To ensure reliable operation of the monitor and to protect it from overheating, be sure these openings are not blocked or covered. Do not place the monitor on a bed, sofa, rug or similar surface. Do not place the monitor near or over a radiator or heat register. Do not place the monitor in a bookcase or cabinet unless proper ventilation is provided. The monitor should be operated only from the type of power source indicated on the label. If you are not sure of the type of power supplied to your home, consult your dealer or local power company. The monitor is equipped with a three-pronged grounded plug, a plug with a third (grounding) pin. This plug will fit only into a grounded power outlet as a safety feature. If your outlet does not accommodate the three-wire plug, have an electrician install the correct outlet, or use an adapter to ground the appliance safely. Do not defeat the safety purpose of the grounded plug. Unplug the unit during a lightning storm or when it will not be used for long periods of time. This will protect the monitor from damage due to power surges. Do not overload power strips and extension cords. Overloading can result in fire or electric shock. Never push any object into the slot on the monitor cabinet. It could short circuit parts causing a fire or electric shock. Never spill liquids on the monitor. Do not attempt to service the monitor yourself; opening or removing covers can expose you to dangerous voltages and other hazards. Please refer all servicing to qualified service personnel. To ensure satisfactory operation, use the monitor only with UL listed computers which have appropriate configured receptacles marked between 100-240V AC, Min. 3.5A. The wall socket shall be installed near the equipment and shall be easily accessible. For use only with the attached power adapter (output 12V DC) which have UL,CSA listed license

l l l l l l l

SPECIAL NOTES ON LCD MONITORS The following symptoms are normal with LCD monitor and do not indicate a problem.
NOTES l l l l 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 0.01% or less such as a missing pixel or a pixel lit all of the time. Due to the nature of the LCD screen, an afterimage of the previous screen may remain after switching the image, when the same image is displayed for hours. In this case, the screen is recovered slowly by changing the image or turning off the Power Switch for hours.

Table of contents

Chapter 1 MONITOR FEATURE .9 Chapter 2 OPERATING INSTRUTION .19 Chapter 3 MACHINE ASSEMBLY .24 Chapter 4 TROUBLE SHOOTING .36 Chapter 5 CONNECTOR INFORMATION 39 Chapter 6 FRU LIST .41
Chapter 7 SCHEMATIC DIAGRAM .42 Chapter 8 POWER BOARD INFORMATION .48

Chapter 1

Monitor Feature
Driving system Size Pixel pitch Viewable angle TFT Color LCD 19" 0.294 mm
AU panel 8ms :70/60/70/70 degree(typ)
LG panel-8ms(TLB1/TLB4):70/70/70/70 degree(typ) Samsung-8ms:75/60/75/75 degree(typ) CPT panel-8ms:65/65/70/70 degree(typ) HSDpanel-8ms:TBD

Brightness

LG panel-8ms(TLB1/TLB4) :300 cd/m2(typ.)

LCD Panel

AUO 8ms:270cd/m2(typ.) Samsung 8ms: 300 cd/m2(typ.) CPT 8ms:250 cd/m2(typ.) HSD 12ms:250 cd/m2 (typ.)

Contrast Ratio

700:1 (AU M190EN04 V5 ,8ms) 550:1(LG LM190E03 TLB1/TLB4, 8ms) 700:1(Samsung TLM190EX-L01, 8ms) 700:1(CPT CLAA10EA05, 8ms) 600:1(HSD HSD190ME13-A02,8ms)
AU (V5) 8ms,LG (TLB1/TLB4) 8ms,Samsung 8 ms, CPT
Response time Video Input Separate Sync H-Frequency V-Frequency Display Color Maximum Dot Clock Max Resolution
8ms,HSD 8 ms R,G,B Analog, H/V TTL 31-81KHZ 56-75HZ 16.2 million Colors 135MHz 1280x1024@75HZ

Plug & Play ON Mode EPA ENERGY STAY Audio output Input Connector Input Video Signal OFF Mode
VESA DDC2B <40W <2W Rated Power 2.0W rms(Per channel) D-Sub, DVI-D Analog : 0.7Vp-p,75OHM Horizontal : 337.9mm
Screen Size (Active) Power Source Environmental Considerations
Vertical : 270.3mm 90~264 Vac, 47~63HZ Operating Temp : 5 to 40 degree ; Storage Temp : -20 to 60 degree ; Operating Humidity : 10% to 85%

Weight (N.W.) Dimension

TBD TBD

External Controls

Switch
* Power Switch * MENU / EXIT * / Volume * / Volume * AUTO / ENTER
* Contrast/brightness * Focus * Clock * H.Position * W.Position * Language * OSD Color temperature * OSD Position & Timeout * Auto Config * Input * Information * Reset * Exit Regulatory Compliance cUL, FCC, TUV, CE, ISO13406-2

- 10 -

Timings
The product has 26 memory modes in total. 16 modes are preset and 10 modes are user definable.
MODE NO. RESOLUTION x 640 x 640x640 x 480

Dot clock(MHz)

28.321

25.175

fh H-Total ( us ) H-Sync ( us ) H-B-P ( us ) H-Active ( us ) H-F-P ( us )
31.469kHz 31.78(900dots) 3.813(108dots) 1.907(54dots) 25.42(720dots) 0.636(18dots)

31.469kHz

35.0kHz

37.861kHz

31.778 (800 dots) 28.571(864 dots) 26.413 (832 dots) 3.813 (96 dots) 1.907 (48 dots) 2.116 (64 dots) 3.175 (96 dots) 1.270(40 dots) 4.064(128 dots)
25.422 (640 dots) 21.164 (640 dots) 20.317(640 dots) 0.636 (16 dots) 2.116 (64 dots) 0.762(24 dots)
fv V-Total (ms ) V-Sync ( ms ) V-B-P (ms ) V-Active ( ms ) V-F-P ( ms ) SYNC. H/V POLARITY SEP. SYNC

70Hz(70.087)

60Hz (59.940)

66.7 HZ (66.667)

72.809Hz
14.27(449 lines) 16.683 (525 lines ) 15.000 (525 lines ) 13.735(520 lines) 0.064(2 lines) 1.112(35 lines) 0.064 (2 1.049 (33 lines ) 0.086 (3 lines ) lines ) 0.079(3 lines) 0.739(28 lines)

lines ) 1.114 (39

12.71(400 lines) 15.253 (480 lines ) 13.714 (480 lines ) 12.678(480 lines) 0.384(12 lines) -/+ 0.317 ( 10 lines) -/0.086 (3 lines ) +/+ Or -/Y Y Y Y 0.237(9 lines) -/-

MODE NO. RESOLUTION

fh H-Total ( us )

37.500kHz

35.16kHz

37.879kHz 26.40 (1056

46.875kHz 21.333 (1056dots)
26.667(840 dots) 28.44(1024 dots)
dots) H-Sync ( us ) 2.032 (64 dots) 2.00(72 dots) 3.200 (128 dots) 1.616 (80 dots)

- 11 -

H-B-P ( us ) H-Active ( us ) H-F-P ( us )
3.810 (120 dots) 20.317 (640 dots) 0.508 (16 dots)
3.56(128 dots) 22.22(800 dots) 0.67(24 dots)

2.200 ( 88 dots)

3.232 (160 dots)
20.00 ( 800 dots) 16.162 (800 dots) 1.000 (40 dots) 0.323 (16 dots)

75Hz (75)

60Hz (60.316)

75Hz (75.000)

13.333 (500 lines) 17.78(625 lines) 0.080 (3 lines) 0.427 (16 lines) 12.80 (480 lines) 0.027 ( 1 line ) 0.06(2 lines) 0.63(22 lines) 17.07(600 lines) 0.03( 1 line) +/+
16.58 (628 lines) 13.333 (625lines) 0.106 (4 lines) 0.607 (23 lines) 15.84 (600 lines) 0.026 (1 line ) +/+ 0.064 (3 lines)
0.448 (21 lines) 12.80 (600lines) 0.021 (1 line ) +/+

57.283

48.077kHz 20.80 (1040dots) 2.400 ( 120 dots) 1.280 (64 dots)

49.72kHz

48.363kHz

56.48kHz

20.11(1152 dots) 20.677(1344 dots) 17.71(1328 dots) 1.12(64 dots) 3.91(224 dots) 2.092(136 dots) 2.462(160 dots) 1.81(136 dots) 1.92(144 dots)
16.00 (800 dots) 1.120 (56 dots)
14.52( 832 dots ) 15.754(1024 dots) 13.65(1024 dots) 0.56(32 dots ) 0.369(24 dots) 0.32(24 dots)
fv V-Total (ms ) V-Sync ( ms ) V-B-P (ms ) V-Active ( ms ) V-F-P ( ms )
72Hz (72.188) 13.85 (666 lines) 0.125 (6 lines) 0.478 (23 lines)
74.55Hz 13.41(667 lines) 0.06(3 lines) 0.78(39 lines)
60.004Hz 16.666(806 lines) 0.124(6 lines) 0.600(29 lines)
70.07Hz 14.27(806 lines) 0.11(6 lines) 0.51(29 lines) 13.60(768 lines) 0.05(3 lines)
12.48 (600 lines) 0.770 ( 37 line )
12.55 (624 lines) 15.880(768 lines) 0.02(1 line) 0.062(3 lines)
SYNC. H/V POLARITY SEP. SYNC

- 12 -

x 1024

60.02kHz

63.981kHz

79.976KHz

67.5 KHz
16.66(1312 dots) 15.630 (1688 dots) 12.504 (1688 dots) 14.815(1600 dots) 1.22 (96 dots) 2.23 (176 dots) 1.037 (112 dots) 2.296 (248 dots) 1.067 (144 dots) 1.837 (248 dots) 1.185(128 dots) 2.370(256 dots)
13.00 (1024 dots) 11.852 (1280 dots) 9.481 (1280dots) 10.667(1152 dots) 0.20 (16 dots) 0.444 (48 dots) 0.119 (16 dots) 0.593(64 dots)

fv V-Total (ms )

75.03Hz 13.33 (800 lines)
60.020Hz 16.661 (1066 lines)
75.025 Hz 13.329 (1066 lines) 0.038 (3 lines) 0.475 (38 lines)
75.06 Hz 13.333(900 lines)
V-Sync ( ms ) V-B-P (ms ) V-Active ( ms )
0.05 (3 lines) 0.47 (28 lines) 12.80 (768 lines)
0.047 ( 3 lines) 0.594 ( 38 lines)
0.044(3 lines) 0.474(32 lines)

16.005 (1024 lines)

12.804(1024 lines) 12.800(864 lines)
V-F-P ( ms ) SYNC. H/V POLARITY SEP. SYNC
: H-Total : H- Sync width : H- Back porch : H- Video width : H- Front porch

0.02 (1 lines) -/-

0.016 (1 line ) +/+

0.013 (1 lines) +/+

0.015(1 lines) +/+

A B C D E

O P Q R S
: V-Total : V- Sync width :.V- Back porch : V- Video width :.V- Front porch

- 13 -

Monitor Block Diagram

- 14 -

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.

External Controls Power on/off 1 ? POWER Blue: power on Orange: in sleep mode 2 ? OSD Function Press to view OSD. Press again to exit a selection in OSD.
If OSD is active, press to select or adjust OSD options. If OSD UP/ PLUS is inactive, press once, then press the buttons marked or to adjust the volume. DOWN / MINUS If OSD is active, press to select or adjust OSD options. If OSD is inactive, press once, then press the buttons marked to adjust the volume. or
If OSD is active, press to enter a selection in OSD. If OSD is inactive, press and the monitor will automatically optimize the position, focus and clock of your display.

- 19 -

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. Clock: If there are any vertical stripes seen on the background of the screen this renders them less noticeable by minimizing their size. It also changes the size of the horizontal screen. H-Position: This adjusts the horizontal screen position. V-Position: This adjusts the vertical screen position.

- 20 -

Option Auto Config. : System choose signal Analog or Digital
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.

- 21 -

LED Definition The system equips one dual color (blue/amber) led to indict system status and defined as bellows : LED Color Green Amber Dark System Status System in normal operation mode System in power-saving mode System in power-off mode
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. The DDC2B is a bi-directional data channel based on the I2C protocol. The host can request EDID information over the DDC2B channel.

- 22 -

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 A VIDEO INPUT SIGNAL. This monitor meets the Green monitor standards as set by the Video Electronics Standards Association(VESA) and/or the United States Environmental Protection Agency (EPA) and The Swedish Confederation Employees (NUTEK). This feature is designed to conserve electrical energy by reducing power consumption when there is no video-input signal present. When there is no video input signal this monitor, following a time-out period, will automatically switch to an OFF mode. This reduces the monitor s internal power supply consumption. After the video input signal is restored, full power is restored and the display is automatically redrawn. The appearance is similar to a Screen Saver feature except the display is completely off. The display is restored by pressing a key on the keyboard, or clicking the mouse.
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. The other end terminates with a molded-on type connector body, rated 10A, 250V, having standard CEE-22 female configuration. Please note that power supply card needs to use VDE 0602, 0625, 0821 approval power cord in European counties.

- 23 -

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. Front View : ( unit : mm )

- 24 -

Real View :

Top View :

- 25 -

Side View :

( unit : mm )

Exploded view

- 26 -

Assembly process

Picture Description
1. [GET PCB SHIELD AND PUT IT IN THE MIDDLE OF CONVEYER]
1. [GET M/B AND LCD CABLE,THEN INSERT LCD CABLE IN M/B CONNECTOR] 2. [GET BUTTON CABLE,THEN INSERT IT INTO M/B CONNECTOR]
1. GET POWER/B AND INSERT JUMPER IN THE APPOINTED PLACE OF JP10 AT
2. GET AGGLUTINANT TO CONNECT THE JUMPER AND POWER/B
3. MARK DOT IN THE PANE MARK OF Jumper value set as 7.5mA POWER/B AS PICTURE SHOWS

- 27 -

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. FASTEN 1*PCS SCREW(M 4*8-B) IN P/B
2. FASTEN 2*PCS SCREW(M 3*6-T) IN P/B
3. FASTEN 2*PCS SCREW(M 3*6-T) IN
1. FETCH POWER/B MYLAR PUT IT ON SHIELD AND FASTEN 1*PCS SCREW(M 3*6-T
2. FASTEN 1*PCS SCREW(M 3*6-T) IN M/B
3. GET THE SHIELD AT FRONTAGE OF THE CONVEYER

- 28 -

1. GET THE SHIELD AT FRONTAGE OF THE CONVEYER
2. GET PANEL AND PUT IT ON THE CONVEYER, THEN TEAR OFF THE INCOMING TAPE
1. UNCOVER PANEL PROTECTIVE FILM AND INSPECT IF PANEL IS DIRTY OR SCRATCHED
2. PASTE TYPE ON THE PROTECTIVE FILM TO FASTEN IT
3. TURN LCD,TEAR OFF INCOMING TYPE

- 29 -

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 BKT AND LOCK 2*PCS SCREW(M3*5-I) TO FASTEN IT AND PANEL
1. GET RIGHT BKT AND LOCK 2*PCS SCREW(M3*5-I) TO FASTEN IT AND PANEL 2. TURN LCD AND TEAR OFF PROTECTIVE FILM
1. GET BEZEL AND CHECK ITS APPEARANCE
2. ASSEMBLE BEZEL ON PANEL,THEN PASTE TYPE TO FASTEN PROTECTIVE FILM ON THE BEZEL 3. TURN LCD

- 30 -

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 BKT AND BEZEL IN THE LEFT SIDE WITH SCREW 3*PCS

3. TURN LCD

1. FETCH BUTTON/B AND INSERT IT INTO BEZEL
2. STICK 1*PCS RUBBER AT THE APPOINTED PLACE

- 31 -

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 WIRES AND ASSEMBLE SHIELDING IN RIGHT POSITION
1. LOCK 4*PCS SCREW(M3*6-T) TO FASTEN PCB SHIELD
1. INSERT BUTTON CABLE INTO BUTTON
2. PUT THE SPEAKER AT THE

APPOINTED PLACE

3. INSERT NETHER CCFT CABLE IN

INVERTER CABLE

- 32 -
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 FOIL AT THE APPOINTED PLACE TO FASTEN THE CABLE
2. STICK 2*PCS AL FOIL AT THE APPOINTED PLACE
1. STICK 1*PCS AL FOIL AT THE APPOINTED PLACE
2. STICK 2*PCS AL FOIL AT CCFT

- 33 -

1. CHECK THE Q AND LOCATION OF TY AL FOIL
1. GET LCD COVER AND INSPECT ITS APPEARANCE
2. ASSEMBLE LCD COVER TO BEZEL
3. STICK 1*PCS TAPE AT THE APPOINTED PLACE
1. FETCH TRAVEL CARD, TEAR OFF 1*PCS APPOINTED S/N FROM TRAVEL CARD AND PASTE IT ON THE COVER
2. LOCK 2*PCS SCREW (F3*8-B) TO FASTEN BEZEL AND LCD COVER
3. GET STAND NECK AND INSPECT IF IT IS DIRTY AND SCRATCHED,THEN PUT IT IN THE CONVEYER

- 34 -

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 VGA CABLE INTO VGA CONNECTOR AND INSERT POWER CORD INTO POWER CONNECTOR
2. GET BASE FIXTRUE AND ASSEMBLE IT TO STAND NECK.
1. INSERT DVI CABLE INTO DVI CONNECTOR AND INSERT POWER CORD INTO POWER CONNECTOR
2. STAND UP THE MONITOR AND STICK TRAVALCARD AT LEFT DOWNSIDE OF MONITOR

Chapter 4

- 35 -
Trouble Shooting 1. No Power No Power

Change Power Board

No Check Short Of Main Board

Check CN7 +12V and +5V

Check U13=1.8V U12=3.3V NO

Change U13,U12

Change X1 or U4

Check X1=14.318MHz

Change U7 or U4

Change U7

NO Check U7 Pin 1,2,5,6 Clock
Yes RUN Software ISP Yes Check Key Board NO Change Key Board
2. Missing Color Missing Color

Change Cable

Check VGA or DVI Cable

Check R9,R11,R12

Change R9,R11,R12, U4 Change U4 or CN5 Cable or Panel

NO Yes

Check CN5 LVDS Signal

Adjustment R/G/B Color

NO Check OSD R/G/B Gain

Change Panel

Chapter 5
Connector Information Phonejack stereo PIN1. AC power cord : CEE22 typed connector PIN2. Audio cable PIN3. Audio : Line-in receptacle
The PIN assignment of the 15 pin mini D-SUB connector / cable is as follows:
MNEM RV GV BV NC GND RG GG BG +5V SG NC SDA HS VS SCL
SIGNAL Red Video Green Video Blue Video None Ground(DDC return) Red GND Green GND Blue GND + 5V (for DDC) Sync GND None DDC Data Horizontal Sync Vertical Sync DDC Clock
The PIN assignment of the 24 pin DVI D connector / cable is as follows:

PIN 11 12

Signal TMDS data2TMDS data2+ TMDS data2 shield NC NC DDC clock DDC data Not connected TMDS data1TMDS data1+ TMDS data1 shield NC

PIN 23 24

Signal NC +5V Ground (return for +5 V and H/V sync) Hot plug detect TMDS data0TMDS data0+ TMDS data0 shield NC NC TMDS clock shield TMDS clock+ TMDS clock-

Chapter 6

FRU (Field Replaceable Unit) list This chapter gives you the FRU (Field Replaceable Unit) listing in global configurations of AL1511. 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/). For whatever reasons a part number change is made, it will not be noted in the printed Service Guide. For ACER-AUTHORIZED CERVICE PROVIDERS, your Acer office may have a DIFFERENT part number code to those given in the FRU list of this printed Service Guide. You MUST use the local FRU list provided by your regional Acer office to order FRU parts repair and service of customer machines. NOTE: To scrap or to return the defective parts, you should follow the local government ordinance or regulations on how best to dispose it, or follow the rules set by your regional Acer office on how to return it.

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Chapter 7
SCHEMATIC DIAGRAM Main Board Circuit

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Chapter 8
Power Board Current set Information
When the lamp current value is 6.5mA, the jumper should be done as the picture left shows
When the lamp current value is 7.0mA, the jumper should be done as the picture left shows
When the lamp current value is 7.5mA, the jumper should be done as the picture left shows

- 48 -

doc1

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 AL1923 AL1923xxx (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

 

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