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Acer AL1715 Service Guide Service guide files and updates are available on the CSD web; for more information, please refer to http://csd.acer.com.tw.
1 Copyright Copyright © 2003 by Acer Incorpo rated. All rights rese rved. No part of this publi cation may be reproduced, transmitted, transcribed, stored in a retri eval system, or translated into a.
2 Conventions The following conventions are u sed in this manual SCREEN MESSAGES Denotes actual me ssages 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.
3 Preface Before using this information and the produ ct it supp orts, please read the following gene ral information. 1. This Service Guide provides you with all techni cal information relating to the BASIC CONFIGURATION decided for Acer's "global" prod uct offering.
4 W ARNING: (FOR FCC CERTIFIED MODELS) NOTE: This equipment has been tested and foun d to comply with the limits for a Class B digit al device, pursuant to Part 15 of the FCC Rules. These limit s are desi gned to prov ide reasonable protection against harmful interference in a residential inst allation.
5 PRECAUTIONS z Do not use the monitor near water , e.g. near a batht ub, washbowl, kitchen sink, laundry tub, swimming pool or in a wet basement. z Do not place the monitor on an unst able trolley , stand, or table. If the monitor falls, it can injure a person and cause serious damage to the appliance.
6 SPECIAL NOTES ON LCD MONIT ORS The following symptoms are norm al with LCD monitor and do not indicate a probl em. NOTES • Due to the nature of the fluorescent light, the screen ma y flicker during initial use. T urn of f the Power Switch and then turn it on again to make sure the flicker disappears.
7 Chapter 1 M onitor Feat ures ----------------------------------------------------------------- 6 Monitor Features ------------ ----------------- ------------------ ----------------- ----------- 8 Fa.
8 Monitor Features SAMSUNG Driving system TFT Col or LCD Size 43.2cm(17.0") Pixel pitch 0.264mm(H) x 0.264mm(V) Brightness 300cd/m 2 (T ypical) Contrast 500:1(T ypical) Viewabl e angle 150 ° (H).
9 External Controls Switch • Auto Adjust Key • </ V olume down (o ption) • >/ V olume up (option ) • Power Button • MENU/ Exit External Controls Functions • Contrast • Brightness • Focus • Clock • H.
10 Factory Preset T iming T able.
11 Monitor Block Diagram The LCD MONITOR con tains a main board, an inverter /p ower board, keyp ad board and audio board which house the flat panel control logic, brightness control logic and DDC. The Inverter board will drive the backlight of panel.
12 U601 W inbon d RXD/TXD KEY Control A T24C16 EPR SDA/SCL Panel P A 0~9 PB 0~9 VLCD U401 TSU16AK VAA3 VCC2.5V VCC3.3V VAA1 VAA4 VAA2 A T24C02 (DDC) U301 DDC SCL/SDA VGA In p u t VGA R/G/B VGA Hs / Vs.
13 Software Flow Chart (1) (2) (3) (4) (5) (7) (6) (8) (10) (1 1) (12) (9) Y N Y N.
14 1. Initialize MCU settings, including I/O, Timer, ISR and Serial Port settings. 2. Read EEPROM content to recover monitor se ttings, including brightness, contrast, color temperature and OSD position….etc. 3. Initialize system variable, including system flag, OS D timeout c ounter, burin mode status… etc.
15 Monitor Board Layout Item Description X401 CRYST AL 14.318MHzHC-49U X601 20MHz U201 RT91 64A18PG S0T - 223 U202 AIC1084-33CM U301 M24C02-WMN6T SMT U401 TSU16AK pqfp-12 8 U601 W7 8E65P-40 CN201 HEADER 2*6P CN301 D-SUB 15PIN CN302 3 PIN CN503 PIN HEADER 24P 2.
16 Inverter Board Layout Item Description PT201 1.5MM RIVET PT202 1.5MM RIVET IC901 SG6841D BY SYSTEM IC902 PC123 Y82 IC903 HTL431 CN102 HEADER 2*6P CN201 W AFER CN202 W AFER CN203 CONN.
17 Front Bezel Item Description 1 Auto Adjust Key / Exit 2 >/ Volume up (option) 3 </ Volume down (option) 4 MENU/ENTER 5 LED 6 POWER.
18 Back Bezel Item Description 1 AC POWER CORD 2 Signal Cable 3 Audio Cable （ Only for speake r ） 4 DVI Cable (Only Dual-Input Mode).
19 O p e r a t i n g I n s t r u c t i o n s Press the power button to turn the monitor on or of f. The other co ntrol buttons are located at front p anel of the monitor . By changing these settings, the picture can be adju sted to your personal preferen ces.
20 • > / V olume up: Activates the volume control when the OSD is OFF or navigate throug h adjustment icons when OSD is ON or adjust a function when function is activated. • Auto Adjust button / Exit: 1. When OSD menu is in active stat us, this button will a ct as EXIT -K EY (Exit OSD menu).
21 OSD Menu.
22 How to adjust a setting: 1. Press the MENU-button to activa te the OSD window . See figure 4. 2. Press <or >to select the desired function. See figure 4. 3. Press the MENU-button to select the function that you want to adjust. 4. Press < or >to change the settings of the current function.
23 Main Menu Icon Sub Menu Icon Sub Menu Item Description (Only Analog-Input Model) N/A Auto Config Auto Adjust the H/V Positi on, Focus and Clock of picture.
24 OSD Message The description for OSD Message: Item Description Auto Config Please W ait 1.) When Analog signal input, if User Press Ho t-Key “Auto”, will show this messa ge, and the monitor do the auto config function. 2.) When Digital sign al input, without this OSD Message.
25 Machine Disassembly This chapter contains step-by -step procedures on ho w to assemble the monitor for maintenance an d troubleshooting. NOTE: 1. The screws for the different compon ents vary in size. During the disassem bly process, grou p the screws with the corresponding compo nents to avoid mismatch wh en putting back the compo nents.
26 Picture Description T o put inverter board, and connect relat ed interfaces T o fix the board with screws T o fix the wires with adhesive t ape Connect Inverter board with Audio board T o fix Audio.
27 T o fix the main board with screws After having fix the board, cover the shield on them STRENGTH: In the end, cover the back bezel and co nnect above part with the chassis W arning: 1.In order to prevent the static disturbance, wear resi sting static ring 2.
28 Trouble shooting This chapter provides troubleshoo ting information for the AL1715: Defect Mode Failure Analysis Repair Testing Completed NG Next Abnormal Display Missing Line Bright Dot Dark Dot L.
29 Defect Mode Failure Analysis Repair Testing A Te s t Next Completed A Noise Check Single Cabl e Change Single Ca ble Flicker Check Main board Change Main board Check Panel Change Panel Abnormal Gra.
30 Defect Mode Failure Analysis Repair Testing Change Keyb oard or Mainboard Change Keyb oard or Mainboard or wire Change Keyb o ard Change Main board Change Main board Change L VDS W ire LED Off Chan.
31 Connector Information The following figure shows the conn ector loc ations on the monitor board: Chapter 5.
32 FRU (Field Replaceable Unit) List This chapter gives you the FRU (Field Repla ceable Un it) listing in global configurations of Acer Altos AL1721.Refer to this chapt er whenever ordering for parts to repair or for RMA (Return Merchandi se Authorization).
33 Note: above picture show the description of the following component No. Picture Description 1 Front Bezel 2 Main Frame 3 Back cover 4 Panel.
34 5 Shield No. Picture Description 6 Hinge cover 7 S tand base 8 Foot sticker 9 Inverter board 10 Mylar.
35 11 Function board 12 S peaker (option) No. Picture Description 13 Main board 14 Audio Board (option) 15 Signal cable 16 Audio cable (option) 17 Power code 18 Inverter board cable 19 L VDS cable.
36 20 S ponge 21 Mainframe screws No. Picture Description 22 Rear panel scre ws 23 Ground rush 24 Hinge cover screws 25 Function board screws 26 Main shield screws 27 D-sub screws.
37 S c h e m a t i c D i a g r a m INPUT U302 AT24C02N-10SC NC 1 2 3 4 5 6 7 8 A0 A1 A2 GND SDA SCL WP VCC VSI C313 0.1uF C315 0.1uF NC R301 100 1/16W C312 220pF ST_DET2 6 R319 100 1/16W NC R3.
38 SCALER TSU16AK VAA3 2 VCC5V VCC2.5 C406 0.1uF VCC3.3 G- 3 CSZ 6 PA9 R401 + C419 10uF/16V VPO VAA1 2 VDPLL C410 0.1uF VCC2.5 2 NC VAA2 2 FB401 600 OHM PB1 VDVI PB5 C428 0.
39 PANEL INTERFACE LVB1M PA5 LVB3P PA8 PA7 C510 0.1uF LVB0P RXO1- LVA2M LVB3M LVA0P LVA3P LVA1M PB7 RXO0+ RXO3- LVB1M LVB1P LVACKP RXO1+ RXEC+ CN503 CON24A 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 LVB2M LVB0M LVB0P LVB0M LVB3P PB[0.
40 MCU C612 0.1uF/16V R627 10K 1/16W CSZ 4 R605 10K R639 NC R613 10K onBACKLITE 2 TXD 3 AD0 4 VCC12V LEFT OUT-L+ C611 1uF/16V Volume 4 R604 10K AUTO Q602 PMBS3906 C B E R603 10K DVI-DSUB SELECT LE.
41 Online Support Information This section describes online techn ical support services available to help yo u repair your Acer S ystems. If you are a distributor, dealer, ASP or TPM, please refe r your technical queries to your local Acer branc h office.
Ein wichtiger Punkt beim Kauf des Geräts Acer ET.L1307.150 (oder sogar vor seinem Kauf) ist das durchlesen seiner Bedienungsanleitung. Dies sollten wir wegen ein paar einfacher Gründe machen:
Wenn Sie Acer ET.L1307.150 noch nicht gekauft haben, ist jetzt ein guter Moment, um sich mit den grundliegenden Daten des Produkts bekannt zu machen. Schauen Sie zuerst die ersten Seiten der Anleitung durch, die Sie oben finden. Dort finden Sie die wichtigsten technischen Daten für Acer ET.L1307.150 - auf diese Weise prüfen Sie, ob das Gerät Ihren Wünschen entspricht. Wenn Sie tiefer in die Benutzeranleitung von Acer ET.L1307.150 reinschauen, lernen Sie alle zugänglichen Produktfunktionen kennen, sowie erhalten Informationen über die Nutzung. Die Informationen, die Sie über Acer ET.L1307.150 erhalten, werden Ihnen bestimmt bei der Kaufentscheidung helfen.
Wenn Sie aber schon Acer ET.L1307.150 besitzen, und noch keine Gelegenheit dazu hatten, die Bedienungsanleitung zu lesen, sollten Sie es aufgrund der oben beschriebenen Gründe machen. Sie erfahren dann, ob Sie die zugänglichen Funktionen richtig genutzt haben, aber auch, ob Sie keine Fehler begangen haben, die den Nutzungszeitraum von Acer ET.L1307.150 verkürzen könnten.
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