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Chapter 3

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.

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.

DIMENSION

Front View : ( unit : mm )

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Содержание AL1712

Страница 1: ... 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 ...

Страница 2: ...ect 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...

Страница 3: ... 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 Caution Gives precautionary measures to avoid possible hardware or software problems Important Reminds you to do specific actions relevant to the accomplishment of procedures ...

Страница 4: ...l 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 printe...

Страница 5: ...ceiving 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 s authority to operate the ...

Страница 6: ...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 duri...

Страница 7: ...ay 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 ...

Страница 8: ...er 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 Information 29 Chapter 6 FRU List 30 Chapter 7 Schematic Diagram 34 ...

Страница 9: ... Colors Maximum Dot Clock 135MHz Max Resolution 1280x1024 75HZ Plug Play VESA DDC2B ON Mode 50W EPA ENERGY STAY OFF Mode 1W Audio output Rated Power 1 0W rms Per channel Input Connector D Sub 15 pin Input Video Signal Analog 0 7Vp p 75OHM Horizontal 338mm Maximum Screen Size Vertical 270mm Power Source 90 240 Vac 50 60HZ Environmental Considerations Operating Temp 0 to 40 degree Altitude 3000mm St...

Страница 10: ... Auto Adjust KEY External Controls Function Contrast brightness Focus Clock H Position W Position Language OSD Color temperature OSD Position Timeout Auto Config Input Information Reset Exit Regulatory Compliance UL CSA FCC TUV GS CE TCO99 ISO13406 2 ...

Страница 11: ... 480 72 37 86 5 VESA 640 x 480 75 37 5 6 VESA 800 x 600 56 35 16 7 VESA 800 x 600 60 37 87 8 VESA 800 x 600 72 48 07 9 VESA 800 x 600 75 46 87 10 MAC 16 832 x 624 75 49 72 11 VESA 1024 x 768 60 48 36 12 VESA 1024 x 768 70 56 48 13 VESA 1024 x 768 75 60 02 14 VESA 1152 x 864 75 67 5 15 VESA 1280 x 1024 60 63 98 16 VESA 1280 x 1024 75 79 97 ...

Страница 12: ...Host Interface Panel Interface Backlight DDC 24LC02 EEPROM 24C16 Crystal 14 318MHz RST IRQ AR AG AB HSYNC VSYNC Keypad SCL SCL SDA SDA ON OFF ADAPTOR Backlight Control Inverter CSZ AIC1563 AIC117ADJ AIC1117ADJ 12V 5V 3 3V 2 5V POWER 12V ISP Panel Inverter control AUDIO TDA7496L MUTE STBY VOLU BRIGHTNESS 12V 5V TX1 TX1 TXC TXC TX2 TX2 12V ...

Страница 13: ... 13 PCB CONDUCTOR VIEW Main Board ...

Страница 14: ... 14 Button Board ...

Страница 15: ...D If OSD is inactive press and the monitor will automatically optimize the position focus and clock of your display 2 MINUS If OSD is active press to select or adjust OSD options If OSD is inactive press once then press the buttons marked or to adjust the volume 3 PLUS If OSD is active press to select or adjust OSD options If OSD is inactive press once then press the buttons marked or to adjust th...

Страница 16: ... 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 less noticeable by minimizing their size It also changes the size of the horizontal screen H Position This adjusts the horizontal V Position This adjusts the vertical ...

Страница 17: ... 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 OSD SETTING This changes the position of the OSD window on the screen and staying time AUTO CONFIG System runs auto configuration ...

Страница 18: ...o default settings EXIT Exit from OSD LED Definition The system equips one dual color green amber led to indict system status and defined as bellows System in power off mode Dark System in power saving mode Amber System in normal operation mode Green System Status LED Color ...

Страница 19: ...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 ...

Страница 20: ...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 ...

Страница 21: ...ng 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 DIMENSION Front View unit mm ...

Страница 22: ... 22 Real View VGA ...

Страница 23: ... 23 Top View Side View unit mm ...

Страница 24: ...rocedures 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 ...

Страница 25: ... 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 ...

Страница 26: ... 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 ...

Страница 27: ...r Module Output CN1 Pin 1 2 12V Pin 5 3 3V Pin 6 3 3V Change Power Board Check Scalar Module Output CN2 Pin 1 2 12V Pin 5 3 3V Pin 6 3 3V Change Cable From Power module CN1 to Scalar B CN2 Check Power Button From Scalar B CN4 to Button B CN1 Change Cable Check Cable Open Change Switch or Button Board OK OK NO NO NO NO Yes ...

Страница 28: ...Check CN1 to Panel Signal Output Check or Change Cable Or Panel Check Inverter From Power board OK Check X Tal 14 318 Mhz Change X1 Check H V SYNC Change VGA Cable Change U2 No No No No No OK OK OK OK OK OK OK No No No 3 No Audio No Audio Check Input Signal CN7 OK Check Input source Or Change CN7 Check CN5 to Speaker OK Change Speaker or CN5 Cable Change U8 or Q9 or U5 Check U8 Pin6 Volume Q9 U5 O...

Страница 29: ...15P Mini D Sub connector x 1 CN6 DB15HD 1 6 2 7 3 8 4 9 5 11 12 13 14 15 10 16 17 J1 PHONEJACK STEREO 1 2 3 PIN MNEMO SIGNAL 1 RV Red Video 2 GV Green Video 3 BV Blue Video 4 NC None 5 GND Ground DDC return 6 RG Red GND 7 GG Green GND 8 BG Blue GND 9 5V 5V for DDC 10 SG Sync GND 11 NC None 12 SDA DDC Data 13 HS Horizontal Sync 14 VS Vertical Sync 15 SCL DDC Clock ...

Страница 30: ...om 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...

Страница 31: ... 31 ...

Страница 32: ...LE ASSY L7T MB LCD 30P REV1A 50 L13V7 001 6 LCD BEZEL ASSY FOR SPEAKER SKU L7T LCD FRONT PANEL ASSY 60 L13VE 003 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 10 POWER CODE JAPAN 3PIN POWER CODE JAPAN 3PIN 27 L02VE 004 11 POWER CODE SWISS 3PIN POWER CODE SWISS 3PIN 27 L02VE 005 12 POW...

Страница 33: ...SE ASSY L7T STAND BASE ASSY 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 20 SPEAKER SPEAKER ASSY L7T FG QT390E 1 5WX2 23 L23VE 001 ...

Страница 34: ...ocument Number Rev Date Sheet of C55 0 01U 6 R43 100 6 HSYNC 4 R31 1K 6 1 R52 75 6 F U4 AT24C02 10SC 1 8 NS 4 8 1 2 3 7 6 5 GND VCC A0 A1 A2 WP SCL SDA GND GND R35 47K 6 NS BLUE 4 GREEN IN GND DAN202U NS D6 1 2 3 C64 33P 6 GREEN IN R32 1K 6 1 D7 Z5 6 NS 2 1 C52 0 047u R95 100 6 IN H C57 0 047u GREEN IN RED 4 D10 DAN217K NS 1 2 3 BLUE IN D12 DAN217K NS 1 2 3 GND R42 100 6 R49 2K 6 GND C56 0 047u RE...

Страница 35: ... 1U 6 AGND BRIGHTNESS 4 C3 100u 16V L10 22 6 GND D1 RB081L 20 2 1 R68 330 6 1 GND GND GND LED_G R58 240K 6 1 GND MANU C67 0 1u 8 1 H1 MTH276D126 2 3 4 5 6 7 8 9 Quanta Computer Inc PROJECT L7T C32 1n 6 DSUB_5V 3 LED ORANGE C49 0 1u 6 GND CSZ 4 R98 NC VDD3V3 SDA VGA X2 14 3MHz NS R90 100 6 NS GND VDD2V5 MUTE R45 470 6 SDA 4 L16 BC0610R6H B246 2_5 U5 MTV312 17 18 20 21 22 23 24 25 7 29 28 19 4 13 14...

Страница 36: ... 5 R92 10K 6 12V 12V R80 100 6 SPKOUTR C76 330U 16V AGND U8 TDA7496L 4 9 5 6 7 17 14 12 11 10 13 15 16 1 2 3 19 20 18 INL INR VAROUT_L VOLUME VAROUR_R OUTL OUTR MUTE STBY SVR GND VS VS GND GND GND GND GND GND R77 20K 6 AGND 12V STBY L33 600 CX601T02001 1 2 Q9 SN7002E 3 2 1 DISPLAY Audio 7 7 11 2003 星期三六月 2A SCHEMATIC1 Title Size Document Number Rev Date Sheet of 12V C86 0 1U 8 Q8 DTC143EUA 2 3 1 ...

Страница 37: ...Size Document Number Rev Date Sheet of SCHEMATIC 2 green SW1 HDK632A 1 3 2 4 SW3 HDK632A 1 3 2 4 CN1 4500 10 8P R 1 2 3 4 5 6 7 8 SW5 HDK632A 1 3 2 4 SW4 HDK632A 1 3 2 4 BUTTON BOARD 2A L7T 2 2 11 2003 星期三六月 Title Size Document Number Rev Date Sheet of SW2 HDK632A 1 3 2 4 LED1 EL 209 2EGW A1 C A2 orange ...

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