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Содержание AL1932

Страница 1: ...Acer AL1932 Service Guide Service guide files and updates are available on the CSD web for more information Please refer to http csd acer com tw 100 Recycled Paper 1 ...

Страница 2: ...t 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 i...

Страница 3: ...its 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 3 ...

Страница 4: ...OT 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 printed S...

Страница 5: ...ving 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 equ...

Страница 6: ...pany 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 during ...

Страница 7: ... 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 ca...

Страница 8: ...ents Chapter 1 MONITOR FEATURE 9 Chapter 2 OPERATING INSTRUTION 15 Chapter 3 Machine assembly 21 Chapter 4 TROBLE SHOOTING 27 Chapter 5 CONNECTOR INFORMATION 29 Chapter 6 FRU LIST 30 Chapter 7 SCHEMATIC DIAGRAM 31 8 ...

Страница 9: ...ay Color 16 2 million Colors Maximum Dot Clock 135MHz Max Resolution 1280x1024 75HZ Plug Play VESA DDC2B ON Mode 50W EPA ENERGY STAY OFF Mode 2W Audio output Rated Power 2 0W rms Per channel Input Connector D Sub 15 pin DVI connector on DVI box Input Video Signal Analog 0 7Vp p 75OHM Horizontal 376 32mm Screen Size Active Vertical 301 056mm Power Source 90 240 Vac 50 60HZ Environmental Considerati...

Страница 10: ...nd 9 modes are user definable Timing 1 2 3 4 5 6 7 8 9 10 11 12 Standard DOS VESA VESA VESA VESA VESA VESA VESA VESA VESA VESA VESA Data Pixel 640 640 640 640 720 800 800 800 800 1024 1024 1024 Data Line 350 480 480 480 400 600 600 600 600 768 768 768 H Freq kHz 31 469 31 469 37 861 37 500 31 467 35 156 37 879 48 077 46 875 48 363 56 476 60 023 V Freq Hz 70 087 59 942 72 809 75 000 70 082 56 250 6...

Страница 11: ...26 667 31 778 28 444 26 400 20 800 21 333 20 677 17 707 16 660 Vert A ms 0 191 0 381 0 026 0 027 0 382 0 028 0 026 0 770 0 021 0 062 0 053 0 017 Vert B ms 0 064 0 064 0 079 0 080 0 064 0 057 0 106 0 125 0 064 0 124 0 106 0 050 Vert C ms 1 907 1 048 0 528 0 427 1 111 0 626 0 026 0 478 0 448 0 600 0 513 0 466 Vert D ms 11 122 15 253 12 678 12 800 12 711 17 067 15 840 12 480 12 800 15 880 13 599 12 7...

Страница 12: ...Monitor Block Diagram 12 ...

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

Страница 14: ...Button Board 14 ...

Страница 15: ...ion Press to view OSD Press again to exit a selection in OSD 3 UP 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 the volume 4 DOWN 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 5 AUTO If OSD is active press to enter...

Страница 16: ... can adjust the colors red green and blue to the intensity you desire 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 screen position V Posi...

Страница 17: ...panish Simplified Chinese Traditional Chinese Japanese and Russian OSD H Position OSD V Position OSD Time out This changes the position of the OSD window on the screen and staying time LED Definition The system equips one dual color blue 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 Blue Syst...

Страница 18: ...GNAL 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 no...

Страница 19: ...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 to ...

Страница 20: ...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 Front View unit mm 20 ...

Страница 21: ...Real View Top View 21 ...

Страница 22: ...n 1 Get the inverter board and inverter cable 2 Insert inverter cable to inverter board 3 Assembly inverter board and shielding cover 1 Insert keyboard cable on the main board 2 Insert button cable on the main board 3 Insert LCD cable on the main board 22 ...

Страница 23: ... put it on the table carefully 1 Fix left and right bracket BKT on the panel 1 Get bezel and put it on the table 2 Assemble panel into bezel 1 Lock screw 3 pcs to fasten bezel and left side bracket BKT 2 Lock screw 3 pcs to fasten bezel and right side bracket BKT 1 Put hook 2 pcs on the bezel 2 Lock screw 2 pcs to fix hook and bezel 23 ...

Страница 24: ...picture 1 Assemble PCB shielding on the BKT 2 Lock screw 4 pcs to fix PCB shielding and BKT 1 Insert up side of CCFT cable into Inverter Board 2 Insert down side of CCFT cable into Inverter Board Note The cable line must be arranging as in ordering from red white blue black 1 Stick mylar on the panel 2 Fix I O port of VGA connector ...

Страница 25: ...er cable as pictures 4 Insert speaker cable into speaker connector 1 Tidy button board cable and stick it as picture 2 Stick 2 pcs of AL foil on the CCFL of PCB shielding metal 1 Assembly button board and back cover 2 Insert button board cable into button board connector 25 ...

Страница 26: ...2 Lock screw 6 pcs to fasten and back cover 1 Lock screw 2 pcs to fasten bezel and PCB shielding 2 Assembly DVI box if necessary 1 Assembly stand base and back cover 2 lock screw 6 pcs to fix it 1 Assembly VESA cover and back cover 26 ...

Страница 27: ...rAL1932 No Power Yes NO NO NO NO OK OK Change Switch or Button Board Open Check Cable Change Cable Check Power Button From Scalar B CN8 B B CN1 Change Scalar Module Board Check Scalar Module Output L4 5V C19 3 3V L 10 1 8V Change Adaptor Check Adaptor Power Output 12V No Power 1 27 ...

Страница 28: ...Check X Check or Change Cable Or Panel Check Inverter From Scaler board OK No Signal Output Check CN3 to Panel Check or Change U3 3 3Vdc Output Check U3 pin2 Check or Change U2 1 8Vdc Output Check U2 pin2 Check or Change U1 Q1 D3 Change Inverter Board 5Vdc Output Check L4 Change Adaptor 12Vdc Output Check CN1 Missing one color No Characters 28 ...

Страница 29: ... OK OK OK Change U5 or Q9 or U9 Q9 U9 OK Check U5Pin1 Mute U9 OK Check U5 Pin6 Volume Change U5 or U9 Change Speaker or CN6 Cable OK Check CN6 to Speaker Or Change CN5 Check Input source CN5 OK Check Input Signal No Audio 29 ...

Страница 30: ...Video signal connector 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 PIN DDC Clock SCL 15 Vertical Sync VS 14 Horizontal Sync HS 13 DDC Data SDA 12 None NC 11 Sync GND SG 10 5V for DDC 5V 9 Blue GND BG 8 Green GND GG 7 Red GND RG 6 Ground DDC return GND 5 None NC 4 Blue Video BV 3 Green Video GV 2 Red Video RV 1 SIGNAL MNEMO 30 ...

Страница 31: ...X1 25 SCART RGB_CON 4 RX1 26 SCL5V 5 RX0 27 nYCOEN 6 RX0 28 SDA5V 7 RXC 29 NVDSW_SEL 8 RXC 30 HSCL 9 GND 31 REST 10 GND 32 HSDA 11 Y0 33 DVI_ DETECT 12 Y1 34 CORD_ RESET 13 Y2 35 CORD_DETECT 14 Y3 36 ADO_L 15 Y4 37 DETECT 16 Y5 38 AGND 17 Y6 39 IR0 18 Y7 40 ADO_R 19 LLC VPC 41 V51R 20 KEY1 42 GND 21 GND 43 V12 22 KEY2 44 V12 31 ...

Страница 32: ...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 sc...

Страница 33: ...Chapter 7 SCHEMATIC DIAGRAM Main Board Circuit 33 ...

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Страница 39: ...Inverter Circuit 1 LG panel FSP circuit 39 ...

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