Page 3 - Conventions
2 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 action...
Page 4 - Preface
3 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 BASIC CONFIGURATION decided for Acer's "global" product offering. To better fit local market r...
Page 6 - PRECAUTIONS
5 PRECAUTIONS z Do not use the monitor near water, e.g. near a bathtub, washbowl, kitchen sink, laundry tub, swimming pool or in a wet basement. z 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....
Page 7 - SPECIAL NOTES ON LCD MONITORS; NOTES
6 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. • ...
Page 8 - Table of Contents
7 Chapter 1 Monitor Features ----------------------------------------------------------------- 6 Monitor Features --------------------------------------------------------------------------- 8 Factory Preset Timing Table -----------------------------------------------------------10 Block Diagram ----...
Page 9 - Monitor Features; Chapter 1
8 Monitor Features SAMSUNG Driving system TFT Color LCD Size 43.2cm(17.0") Pixel pitch 0.264mm(H) x 0.264mm(V) Brightness 300cd/m 2 (Typical) Contrast 500:1(Typical) Viewable angle 150 ° (H) 135 ° (V) LCD Panel Response time 12ms R, G, B Analog Interface Video Digital (Dual-Input Model) H-Freque...
Page 11 - Factory Preset Timing Table
Page 12 - Monitor Block Diagram; KEY BOARD; SPEAKER; PWPC; LAMP; LCD PANEL; AUDIO; ANALOG IN; LCD Controller; MCU; AUDIO IN; DVI IN
11 Monitor Block Diagram The LCD MONITOR contains a main board, an inverter/power board, keypad 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. The Power will provide the 12V DC-power to inverter ...
Page 13 - Winbond; KEY Control; VLCD; DDC; VGA Input; VGA; MAIN BOARD DIAGRAM
12 U601 Winbond RXD/TXD KEY Control AT24C16 EPR SDA/SCL Panel PA 0~9 PB 0~9 VLCD U401 TSU16AK VAA3 VCC2.5V VCC3.3V VAA1 VAA4 VAA2 AT24C02 (DDC) U301 DDC SCL/SDA VGA Input VGA R/G/B VGA Hs / Vs MAIN BOARD DIAGRAM
Page 14 - Software Flow Chart
13 Software Flow Chart (1) (2) (3) (4) (5) (7) (6) (8) (10) (11) (12) (9) Y N Y N
Page 16 - Monitor Board Layout
15 Monitor Board Layout Item Description X401 CRYSTAL 14.318MHzHC-49U X601 20MHz U201 RT9164A18PG S0T-223 U202 AIC1084-33CM U301 M24C02-WMN6T SMT U401 TSU16AK pqfp-128 U601 W78E65P-40 CN201 HEADER 2*6P CN301 D-SUB 15PIN CN302 3 PIN CN503 PIN HEADER 24P 2.0mm CN601 PIN EADER CN602 WAFER 16PIN 2.0mm D...
Page 17 - Inverter Board Layout
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 WAFER CN202 WAFER CN203 CONN.2P R/A 87210-0236 DIP CN204 WAFER CN301 PHONE JACK(Only for SPK) CN302 3 PIN BD901 BRIDGE 2KBP06M NR901 8 OHM NCTR C...
Page 18 - Front Bezel
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
Page 19 - Back Bezel
18 Back Bezel Item Description 1 AC POWER CORD 2 Signal Cable 3 Audio Cable （ Only for speaker ） 4 DVI Cable (Only Dual-Input Mode)
Page 20 - Operating Instructions; EXTERNAL CONTROLS; Chapter 2
19 Operating Instructions Press the power button to turn the monitor on or off. The other control buttons are located at front panel of the monitor. By changing these settings, the picture can be adjusted to your personal preferences. • The power cord should be connected. • Connect the video cable f...
Page 22 - OSD Menu
Page 23 - How to adjust a setting:
22 How to adjust a setting: 1. Press the MENU-button to activate 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 functio...
Page 25 - OSD Message; The description for OSD Message:; LOGO
24 OSD Message The description for OSD Message: Item Description Auto Config Please Wait 1.) When Analog signal input, if User Press Hot-Key “Auto”, will show this message, and the monitor do the auto config function. 2.) When Digital signal input, without this OSD Message. Input Not Supported When ...
Page 26 - Machine Disassembly; Chapter 3
25 Machine Disassembly This chapter contains step-by-step procedures on how to assemble the monitor for maintenance and troubleshooting. NOTE: 1. The screws for the different components vary in size. During the disassembly process, group the screws with the corresponding components to avoid mismatch...
Page 29 - NG; Chapter 4
28 Trouble shooting This chapter provides troubleshooting information for the AL1715: Defect Mode Failure Analysis Repair Testing Completed NG Next Abnormal Display Missing Line Bright Dot Dark Dot Light Leakage Mura Image Sticking Dot Defect Brightness Spot Dot Defect Particle Check Panel Panel Cha...
Page 30 - Next
29 Defect Mode Failure Analysis Repair Testing A Test Next Completed A Noise Check Single Cable Change Single Cable Flicker Check Main board Change Main board Check Panel Change Panel Abnormal Gray Check Main board Change Main board Check Panel Change Panel Check LVD Cable Change LVD Cable R\G\B Dis...
Page 32 - Connector Information; Chapter 5
31 Connector Information The following figure shows the connector locations on the monitor board: Chapter 5
Page 33 - Chapter 6
32 FRU (Field Replaceable Unit) List This chapter gives you the FRU (Field Replaceable Unit) listing in global configurations of Acer Altos AL1721.Refer to this chapter whenever ordering for parts to repair or for RMA (Return Merchandise Authorization). Please note that WHENORDERING FRU PARTS, you s...
Page 34 - Note: above picture show the description of the following; component
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
Page 38 - Schematic Diagram; INPUT; Chapter 7
37 Schematic Diagram INPUT U302 AT24C02N-10SC NC 123 4 5 6 7 8 A0A1A2 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 R312 100 1/16W R310 150 1/16W D301BAV99 3 1 2 R32410K 1/16W NC R304 470 1/16W CLK_DDC2 D313 NC VCC5V D310 NC D306 NC...
Page 42 - Online Support Information; Appendix
41 Online Support Information This section describes online technical support services available to help you repair your Acer Systems. If you are a distributor, dealer, ASP or TPM, please refer your technical queries to your local Acer branch office. Acer Branch Offices and Regional Business Units m...
