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Summary of Contents for AL1732

Page 1: ... 1 Acer AL1732 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 ...

Page 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...

Page 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 ...

Page 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...

Page 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 ...

Page 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...

Page 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 ...

Page 8: ...ntents 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 ...

Page 9: ...5HZ Display 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 Input Video Signal Analog 0 7Vp p 75OHM Horizontal 337 9mm Screen Size Active Vertical 270 3mm Power Source 90 240 Vac 50 60HZ Environmental Considerations Operating Temp ...

Page 10: ...re preset and 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 0...

Page 11: ...13 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 1...

Page 12: ... 12 Monitor Block Diagram ...

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

Page 14: ... 14 Button Board ...

Page 15: ...nction Press to view OSD Press again to enter 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 e...

Page 16: ...You 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 P...

Page 17: ...n Spanish 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 S...

Page 18: ... 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...

Page 19: ...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 ...

Page 20: ...OTE 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 ...

Page 21: ... 21 Real View Top View ...

Page 22: ...tion 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 ...

Page 23: ... and 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 ...

Page 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 ...

Page 25: ...eaker 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 ...

Page 26: ...el 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 ...

Page 27: ... forAL1732 1 No Power No Power Check Adaptor Power Output 12V Change Adaptor Check Scalar Module Output L4 5V C19 3 3V L 10 1 8V Change Scalar Module Board Check Power Button From Scalar B CN8 B B CN1 Change Cable Check Cable Open Change Switch or Button Board OK OK NO NO NO NO Yes ...

Page 28: ... Board Check or Change U1 Q1 D3 Check U2 pin2 1 8Vdc Output Check or Change U2 Check U3 pin2 3 3Vdc Output Check or Change U3 Check CN3 to Panel Signal Output Check or Change Cable Or Panel Check Inverter From Scaler board OK Check X Tal 14 318 Mhz Change X1 Check H V SYNC Change VGA Cable Change U4 No No No No No OK OK OK OK OK OK OK No No No ...

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

Page 30: ...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 ...

Page 31: ...3 RX1 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 ...

Page 32: ...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...

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Page 34: ... 34 Chapter 7 SCHEMATIC DIAGRAM Main Board Circuit ...

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Page 40: ... 40 Inverter Circuit 1 LG panel ...

Page 41: ... 41 2 AU panel ...

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