Download Print this page

Acer AL1712 Service Manual

Hide thumbs

Advertisement

Quick Links

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 -

Advertisement

loading

  Also See for Acer AL1712

  Related Manuals for Acer AL1712

  Summary of Contents for Acer AL1712

  • 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 -...
  • Page 2 “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.
  • Page 3 Conventions The following conventions are used in this manual: Screen messages Note Warning Caution Important 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.
  • Page 4 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.
  • Page 5 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.
  • Page 6 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.
  • Page 7: Special Notes On Lcd Monitors

    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

    Chapter 1 Monitor Feature ……………………………………………………………….. Preset Timing …………..………………………………………………………….9 Block Diagram …………..…………………………………………………………. 9 PCB Conductor View…………..……………………………………………………9 MainBoard …………..…………………………………………………………. .9 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…………..………………...
  • Page 9: Chapter 1 Monitor Feature

    Monitor Feature 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 TFT Color LCD Size 17"...
  • Page 10 * Power Switch * MENU/ENTER * >/ Volume * </ Volume Switch * Auto Adjust KEY * Contrast/brightness * Focus * Clock * H.Position * W.Position * Language * OSD Color temperature * OSD Position & Timeout * Auto Config * Input * Information Function...
  • Page 11: Preset Timing

    Preset Timing mode IBM VGA VESA MAC 13” VESA VESA VESA VESA VESA VESA MAC 16” VESA VESA VESA VESA VESA 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...
  • Page 12: Block Diagram

    Block Diagram MSTAR MST8111A BLOCK DIAGRAM 24LC02 HSYNC ,VSYNC ANALOG AR AG AB VOLU AUDIO TDA7496L MUTE STBY EEPROM 24C16 MTV312V64 Keypad Crystal 14.318MHz Triple Interface MST8111A Clock Panel GEN. Interface Host Interface Panel Inverter Switch control Si2301DS BRIGHTNESS - 12 - POWER AIC1563 3.3V...
  • Page 13: Pcb Conductor View

    PCB CONDUCTOR VIEW Main Board - 13 -...
  • Page 14: Button Board

    Button Board - 14 -...
  • Page 15: Chapter 2 Operating Instruction

    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 AUTO < MINUS >...
  • Page 16: Osd Menu

    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 vertical stripes seen on the background of the screen this renders them...
  • 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 Spanish, Simple-Chinese, Traditional-Chinese, French, Italian Japanese.
  • Page 18: Led Definition

    LED Definition The system equips one dual color (green/amber) led to indict system status and defined as bellows : LED Color Green Amber Dark INFORMATION: This shows brief information on the screen. RESET: Recall to default settings EXIT Exit from OSD System Status System in normal operation mode System in power-saving mode...
  • Page 19: How To Optimize The Dos-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.
  • Page 20 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.
  • Page 21: Chapter 3 Machine Disassembly And Replacement

    Machine Disassembly and 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 the components. 2.
  • Page 22 Real View : - 22 -...
  • Page 23 Top View : Side View : ( unit : mm ) - 23 -...
  • Page 24: Disassembly Procedures

    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 -...
  • 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 -...
  • 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 -...
  • Page 27: Chapter 4 Troubleshooting

    Troubleshooting This chapter provides trouble shooting information forAL1712 1. No Power Check Power Module Check Scalar Module Check Power Button From Scalar/B(CN4) to Button/B(CN1) No Power Output CN1 Pin 1,2 = 12V ? Pin 5 = 3.3V ? Pin 6 = 3.3V ? Output CN2 Pin 1,2 = 12V ? From (Power module)CN1 to (Scalar/B)CN2...
  • Page 28 2. No Characters , Missing one color Check Inverter From Change Power Board Power board OK ? Check or Change Cable Or Panel Change VGA Cable 3. No Audio Check Input source Or Change CN7 Change U8 or Q9 or U5 No Characters Missing one color Check CN2...
  • Page 29: Chapter 5 Connector Information

    Connector Information Phonejack stereo PIN1. AC power cord PIN2. Audio cable PIN3. Audio PHONEJACK STEREO Video signal connector 15P Mini D-Sub connector x 1 MNEMO : CEE22 typed connector : Line-in receptacle DB15HD SIGNAL Red Video Green Video Blue Video None Ground(DDC return) Red GND...
  • Page 30: Chapter 6 Fru List

    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.
  • Page 31 - 31 -...
  • Page 32 Photo Part Name MAIN BOARD FOR SPEAKER L7T MB ADDY ADP/INV/AUD POWER/INV BOARD (DELTA) ADP-40AFD,90-264V REV1A BUTTON BOARD W/CABLE L7T BUTTON ASSY LCD(TFT) 17" LCD 17" TFT QDI QD17EL07(SXGA) QDI17EL07(SXGA) REV.01 REV.01 CABLE ASSY L7T LCD CABLE(30P, REV1A) MB-LCD (30P, REV1A) LCD BEZEL ASSY FOR L7T LCD FRONT PANEL SPEAKER SKU...
  • Page 33 L7T LCD COVER SUB LCD COVER ASSY ASSY STAND BASE ASSY L7T STAND BASE ASSY 60.L13VE.007 STAND NECK ASSY L7T STAND ASSY HINGE CAP HIGNE CAP L7T POWER BOARD ESD L7T POWER-BD-ESD LCD FRAME L7T FRAME SPEAKER ASSY L7T SPEAKER FG-QT390E 1.5WX2 - 33 - 60.L13VE.005...
  • Page 34: Chapter 7 Schematic Diagram

    Schematic Diagram RED+IN RED-IN RED+IN GREEN-IN GREEN+IN BLUE+IN BLUE-IN RED-IN IN-V IN-H VGA_SDA_O VGA_SCL_O 10K/6 DSUB_5V_O GREEN+IN VGA INPUT DSUB_5V 5 VDD3V3 GREEN-IN DAN217K/NS DAN217K/NS DAN217K/NS RED+IN BLUE+IN GREEN+IN BLUE+IN BLUE-IN DAN202U/NS DSUB_5V_O 0.1u/6/NS 100/6/NC 100/6/NC AT24C02-10SC-1.8/NS L7T M/B CONTENTS SCHEMATIC CONTENT BLOCK DIAGRAM...
  • Page 35 VPLL VPLL VDVI VDVI VDPLL VDPLL RED+ RED+ RIN0 RIN0 RED- RED- RIN0M RIN0M GREEN+ GREEN+ GIN0 GIN0 GREEN- GREEN- GIN0M GIN0M SOGIN SOGIN SOGIN0 SOGIN0 BLUE+ BLUE+ BIN0 BIN0 BLUE- BLUE- BIN0M BIN0M HSYNC HSYNC HSYNC0 HSYNC0 VSYNC VSYNC VSYNC0 VSYNC0 DDC1_CLK/GPO8...
  • Page 36 Q1 SI2301DS LCDVCC 2200P/6 47K/6 0.1U/6 82K/6 10K/6 DTC143EUA VDDCTRL_2 5 +12V 1K/6 10K/6 VOLU AGND AUDIO-IN L33 600/CX601T02001 L_LINE Z0415 R_LINE Z0416 L35 600/CX601T02001 ZD005D100 +12V AGND MUTE MUTE +12V 10K/6 STBY STBY DTC143EUA AGND LCDVCC 4 330U/16V Title CONTENT Size Document Number...
  • Page 37 BUTTON BOARD CONTENTS SCHEMATIC CONTENT I/O INTERFACE 4500-10-8P-R orange LED1 EL-209-2EGW green SHEET Title CONTENT Size Document Number BUTTON 0990 Date: 11, 2003 星期三 六月 HDK632A HDK632A HDK632A HDK632A HDK632A Title Size Document Number Date: 11, 2003 星期三 六月 - 37 - Sheet BUTTON-BOARD Sheet...