Acer AL1712 AL1712 Service Guide
Acer AL1712 Manual
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- Acer AL1712 | AL1712 Service Guide - Page 1
Acer AL1712 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 - - Acer AL1712 | AL1712 Service Guide - Page 2
, 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 - Acer AL1712 | AL1712 Service Guide - Page 3
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. - 3 - - Acer AL1712 | AL1712 Service Guide - Page 4
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 - Acer AL1712 | AL1712 Service Guide - Page 5
installation. This equipment generates, uses and can radiate radio frequency energy, and if not installed and used in accordance with the instructions responsible for compliance could void the user's authority to operate the equipment. 2. Shielded interface cables and AC power cord, if any, must be - Acer AL1712 | AL1712 Service Guide - Page 6
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 - Acer AL1712 | AL1712 Service Guide - Page 7
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 - Acer AL1712 | AL1712 Service Guide - Page 8
Button Board 9 Chapter 2 Operating Instruction 15 Front Panel Definition 9 External Controls 9 OSD Menu 9 LCD Definition 9 How to Optimize the DOS-Mode 9 Chapter 3 Machine Disassembly and Replacement 21 Dimension 9 Disassembly Procedures 9 Chapter 4 Troubleshooting 27 Chapter 5 Connector - Acer AL1712 | AL1712 Service Guide - Page 9
Monitor Feature Chapter 1 LCD Panel Input Display Color Maximum Dot Clock ® Max Resolution Plug & Play EPA ENERGY STAY Audio output Input Connector Input Video Signal Maximum Screen Size Power Source Environmental Considerations Weight (N.W.) Dimension Driving system Size Pixel pitch Viewable - Acer AL1712 | AL1712 Service Guide - Page 10
Switch * Power Switch * MENU/ENTER * >/ Volume * - Acer AL1712 | AL1712 Service Guide - Page 11
VGA 2 VESA 3 MAC 13" 4 VESA 5 VESA 6 VESA 7 VESA 8 VESA 9 VESA 10 MAC 16" 11 VESA 12 VESA 13 VESA 14 VESA 15 VESA 16 VESA Resolution 720 x 400 640 x 480 640 x 480 640 x 480 640 x 480 800 x 600 800 x 600 800 x 600 800 x 600 832 x 624 1024 x 768 1024 x 768 1024 - Acer AL1712 | AL1712 Service Guide - Page 12
Block Diagram ANALOG RGB DDC 24LC02 HSYNC ,VSYNC AR AG AB MSTAR MST8111A BLOCK DIAGRAM Triple 12V ADC Interface 12V VOLU AUDIO TDA7496L POWER 12V 5V AIC1563 3.3V AIC117ADJ 2.5V AIC1117ADJ Backlight EEPROM 24C16 ISP Crystal 14.318MHz MUTE STBY SCL SDA CPU MTV312V64 RST IRQ CSZ - Acer AL1712 | AL1712 Service Guide - Page 13
PCB CONDUCTOR VIEW Main Board - 13 - - Acer AL1712 | AL1712 Service Guide - Page 14
Button Board - 14 - - Acer AL1712 | AL1712 Service Guide - Page 15
OPERATING INSTRUCTIONS Chapter 2 Front Panel Definition This Section defines the front panel User Interface for Led Indictor and Key function. Key Definition: OSD. 4 OSD Function Press again to enter a selection in OSD. Power on/off 5 POWER Green: power on Orange: in sleep mode - 15 - - Acer AL1712 | AL1712 Service Guide - Page 16
OSD Menu 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. Focus: This removes any horizontal distortion and makes the picture clear and sharp. Clock: If there are any - Acer AL1712 | AL1712 Service Guide - Page 17
There are three ways of adjusting color: Warm (Reddish white) Cool (Bluish white) User defined: You can adjust the colors red, green and blue to the intensity you desire. LANGUAGE: Select the OSD menu language from English, German, and - Acer AL1712 | AL1712 Service Guide - Page 18
color (green/amber) led to indict system status and defined as bellows : LED Color Green System Status System in normal operation mode Amber System in power-saving mode Dark System in - Acer AL1712 | AL1712 Service Guide - Page 19
, 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 - Acer AL1712 | AL1712 Service Guide - Page 20
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 - Acer AL1712 | AL1712 Service Guide - Page 21
Replacement 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 - Acer AL1712 | AL1712 Service Guide - Page 22
Real View : VGA - 22 - - Acer AL1712 | AL1712 Service Guide - Page 23
Top View : Side View : ( unit : mm ) - 23 - - Acer AL1712 | AL1712 Service Guide - Page 24
Disassemble Procedures Picture Description To stick the mylar on the panel To assembly frame onto panel, let CCFT cable through frame, then fix frame & panel with screws 1.To put bezel on panel : 2. Fix them with screws. 3. Insert LCD cable - 24 - - Acer AL1712 | AL1712 Service Guide - Page 25
Stick mylar on power BD shielding Assemble main BD & power BD on the frame with screws Insert LCD cable into main BD. Insert CCFL cable into power BD. Fix button BD & bezel with screw - 25 - - Acer AL1712 | AL1712 Service Guide - Page 26
Fix VGA cable in main BD & the frame Cover shielding on the board then fix with screws To put and fix the rear cover To fix the hinge stand assemble - 26 - - Acer AL1712 | AL1712 Service Guide - Page 27
Troubleshooting This chapter provides trouble shooting information forAL1712 1. No Power No Power Chapter 4 Check Power Module Output CN1 Pin 1,2 = 12V ? Pin 5 = 3.3V ? Pin 6 = 3.3V ? OK Check Scalar Module Output CN2 Pin 1,2 = 12V ? Pin 5 = 3.3V ? Pin 6 = 3.3V ? OK Check Power Button From Scalar - Acer AL1712 | AL1712 Service Guide - Page 28
No Characters , Missing one color No Change Power Board Check Inverter From Power board OK ? No Check or Change Cable Or Output OK Check X'Tal 14.318 Mhz ? OK Check H , V SYNC ? OK Change U2 No Change Power Board No Check or Change U6 , Q6 , D1 No Check or Change U1 No Check or Change U7 No - Acer AL1712 | AL1712 Service Guide - Page 29
Connector Information Phonejack stereo PIN1. AC power cord : CEE22 typed connector PIN2. Audio cable PIN3. Audio : Line-in receptacle J1 1 2 3 PHONEJACK STEREO Video signal connector 15P Mini D-Sub connector x 1 CN6 10 5 9 4 8 3 7 2 6 1 DB15HD - Acer AL1712 | AL1712 Service Guide - Page 30
listing in global configurations of AL1712. Refer to this chapter whenever ordering for parts to repair or for RMA (Return Merchandise 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. - Acer AL1712 | AL1712 Service Guide - Page 31
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CABLE(30P, REV1A) MB-LCD 50.L13V7.001 (30P, REV1A) LCD BEZEL ASSY FOR L7T LCD FRONT PANEL 6 60.L13VE.003 SPEAKER SKU ASSY 7 POWER CODE UK 3PIN POWER CODE UK 3PIN 27.L02VE.001 8 POWER CODE US 3PIN POWER CODE US 3PIN 27.L02VE.002 9 POWER CODE PRC 3PIN POWER CODE PRC 3PIN 27.L02VE.003 - Acer AL1712 | AL1712 Service Guide - Page 33
60.L13VE.007 16 STAND NECK ASSY L7T STAND ASSY 60.L13VE.009 17 HINGE CAP HIGNE CAP L7T 42.L13VE.001 18 POWER BOARD ESD L7T POWER-BD-ESD 33.L13VE.001 19 LCD FRAME L7T FRAME 33.L13VE.002 SPEAKER ASSY L7T 20 SPEAKER 23.L23VE.001 FG-QT390E 1.5WX2 - 33 - - Acer AL1712 | AL1712 Service Guide - Page 34
D5 1 GND GND Z5.6/NS Z5.6/NS D13 D7 2 L7T M/B CONTENTS SCHEMATIC CONTENT BLOCK DIAGRAM VGA AND TMDS INPUT MICRO AND BOTTON CONTROL POWER ADN OUTPUT CONNECT SHEET 1 2 3 4 5 6 Title Size Date: CONTENT Document Number SCHEMATIC1 11, 2003 Rev VGA AND TMDS INPUT 2A Sheet 3 of 7 Title - Acer AL1712 | AL1712 Service Guide - Page 35
22U/25V/NC GND VDD2V5 C10 0.01U/6 C11 22U/25V/NC GND PROJECT : L7T Quanta Computer Inc. Title Size Date: CONTENT Document Number MCU AND POWER SCHEMATIC1 11, 2003 Sheet 5 Rev 2A of 7 - Acer AL1712 | AL1712 Service Guide - Page 36
Q1 SI2301DS +5V 1 3 R3 82K/6 C4 2200P/6 2 D3 R5 10K/6 Q2 G2 1 S DTC143EUA 2 VDDCTRL_2 5 C3 3 1 GND B2 1E R1 47K/6 LCDVCC C1 0.1U/6 LCDVCC 4 C2 330U/16V GND GND GND Title CONTENT Size Document Number Rev SCHEMATIC1 PANEL 2A Date 11, 2003 Sheet 6 of 7 +12V R81 1K/6 - Acer AL1712 | AL1712 Service Guide - Page 37
BUTTON BOARD CONTENTS SCHEMATIC CONTENT I/O INTERFACE SHEET 1 2 8 7 6 5 4 3 2 1 CN1 4500-10-8P-R LED1 EL-209-2EGW orange A2 C A1 green Title Size Date: CONTENT Document Number BUTTON 0990 11, 2003 Rev 2A Sheet 1 of 2 SW5 1 2 3 4 HDK632A SW4 1 2 3 4 HDK632A SW3 1 2 3 4