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Acer AL2032W, Service Manual

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Acer AL2032W Service Manual Download Page 29

                                                   

                       

                                                   

           

 

Chapter 4   

 

 TROUBLE SHOOTING  

This chapter provides trouble shooting information forAL2032 

 

Yes

 

NO

NO

NO

NO

OKKK

OK

Change Switch or Button Board

Open ?

Check Cable 

Change Cable

Check Power Button 

From Scalar/B(CN5) 

 to Button/B(CN1) 

Change Scalar Module Board   

Check Scalar Module   

Output   

L4 =5V? 

U4 #2 = 3.3V ?

 

L 13 = 1.8V ? 

 

Change Adaptor Power 

Board

 

Check Adaptor Power 

Output =18V   

 

No Power 

1. No Power 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Summary of Contents for AL2032W

Page 1: ...Acer AL2032W 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: ...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...

Page 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 ...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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 ...

Page 9: ... Color 16 7 million Colors Maximum Dot Clock 162MHz Max Resolution 1680X1050 60HZ Plug Play VESA DDC2B ON Mode 75W EPA ENERGY STAY OFF Mode 3W Audio output Rated Power 5 0W rms Per channel Input Connector D Sub 15 pin or DVI D cable Input Video Signal Analog 0 7Vp p 75OHM Horizontal 433 4mm Screen Size Active Vertical 270 9mm Power Source 90 240 Vac 50 60HZ Environmental Considerations Operating T...

Page 10: ...odes are preset and 10 modes are user definable MODE NO 1 2 3 4 RESOLUTION 720 x 400 640 x 480 640x480 640 x 480 Dot clock MHz 28 321 25 175 30 24 31 5 f h 31 469kHz 31 469kHz 35 0kHz 37 861kHz H Total us 31 78 900dots 31 778 800 dots 28 571 864 dots 26 413 832 dots H Sync us 3 813 108dots 3 813 96 dots 2 116 64 dots 1 270 40 dots H B P us 1 907 54dots 1 907 48 dots 3 175 96 dots 4 064 128 dots H ...

Page 11: ...ts 26 40 1056 dots 21 333 1056dots H Sync us 2 032 64 dots 2 00 72 dots 3 200 128 dots 1 616 80 dots H B P us 3 810 120 dots 3 56 128 dots 2 200 88 dots 3 232 160 dots H Active us 20 317 640 dots 22 22 800 dots 20 00 800 dots 16 162 800 dots H F P us 0 508 16 dots 0 67 24 dots 1 000 40 dots 0 323 16 dots f v 75Hz 75 56 25 60Hz 60 316 75Hz 75 000 V Total ms 13 333 500 lines 17 78 625 lines 16 58 62...

Page 12: ...ines 0 05 3 lines SYNC H V POLARITY SEP SYNC Y Y Y Y MODE NO 13 14 15 16 RESOLUTION 1024 x 768 1280 x 1024 1280 x 1024 1152 x 864 Dot clock MHz 78 75 108 135 108 f h 60 02kHz 63 981kHz 79 976KHz 67 5 KHz H Total us 16 66 1312 dots 15 630 1688 dots 12 504 1688 dots 14 815 1600 dots H Sync us 1 22 96 dots 1 037 112 dots 1 067 144 dots 1 185 128 dots H B P us 2 23 176 dots 2 296 248 dots 1 837 248 do...

Page 13: ...2 dots 1 877 304 dots 2 966 220 dots H Active us 11 852 1280 dots 9 877 1600 dots 17 256 1280 dots H F P us 0 889 96 dots 0 395 64 dots 1 483 110 dots f v 60 00Hz 60 00 Hz 59 94Hz V Total ms 16 667 1000 lines 16 667 1250 lines 16 683 750 lines V Sync ms 0 050 3 lines 0 040 3 lines 0 111 5 lines V B P ms 0 600 36 lines 0 613 46 lines 0 445 20 lines V Active ms 16 000 960 lines 16 000 1200 lines 16 ...

Page 14: ...3V _PLL FRA M ESTO RE M T46V 2M 32LG 4 U 1 FSD A TA FSA D D R FSB K SEL0 1 FSCLK FSD Q M M EM O RYI F 39V F020 X U 1 O CM A D D R 0 19 O C M D A TA 0 7 A U D IO TPA 3002D 2 U 9 M U TE RESET RESET M A X 809_1 U 8 M STRSCL SD A I2C 24LC32SN U 7 A U D IOIN L R SPEA K CN 6 SPK R0 SPK L0 PW M 1 V O LU M E PO W ERSW ITCH A IC1563 U 2 U 3 2 5V U 4 3 3V U 6 1 8V 12VFRO M PO W ERB O A RD G M 1601 U 5 TX A ...

Page 15: ...PCB CONDUCTOR VIEW Main Board 15 ...

Page 16: ...Button Board 16 ...

Page 17: ...ion 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 exit...

Page 18: ... 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...

Page 19: ...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...

Page 20: ...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...

Page 21: ...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 ...

Page 22: ...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 22 ...

Page 23: ...Real View Top View 23 ...

Page 24: ...Side View unit mm Assembly process Picture Description 1 Get the panel and put it on the table carefully 1 Fix left and right bracket BKT on the panel 24 ...

Page 25: ...s to fasten bezel and left side bracket BKT 2 Lock screw 3 pcs to fasten bezel and right side bracket BKT 1 Insert LCD cable in panel connector 1 Assemble speaker on the bezel 1 Tidy speaker cable as picture shows 1 Assemble PCB BKT on the L R of BKT 2 Tidy cable as picture shows 25 ...

Page 26: ...1 Lock 4 pcs screw to fasten m b and PCB BKT 1 First to lock 4 pcs screw to fasten Inverter board on the PCB BKT 2 Get m b and insert speaker cable then assemble it on the 1 Lock 4 pcs screw to fasten m b on the pcb BKT 1 Insert INV M B cable then tidy button cable and inv m b 26 ...

Page 27: ...b connector 1 Assemble shielding and pcb BKT 2 Lock 7pcs screw to fasten shielding 3 Insert ccft cable L R of into inverter b connector 1 Stick al foil 2pcs on ccft connector of pcb shielding 1 Lock io nut 2pcs in VGA connector 1 Assemble button b and back cover 27 ...

Page 28: ...y back cover and bezel 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 28 ...

Page 29: ...NO NO NO NO OKKK OK Change Switch or Button Board Open Check Cable Change Cable Check Power Button From Scalar B CN5 to Button B CN1 Change Scalar Module Board Check Scalar Module Output L4 5V U4 2 3 3V L 13 1 8V Change Adaptor Power Board Check Adaptor Power Output 18V No Power 1 No Power 29 ...

Page 30: ...Check X Scaler board OK No Check Inverter From Cable Or Panel Check or Change Signal Output Check CN2 to Panel U4 Check or Change 3 3Vdc Output Check U4 pin2 U6 Check or Change 1 8Vdc Output Check U6 pin2 U2 Q6 D3 Check or Change Change Inverter Board 5Vdc Output Check L4 Change Adaptor 12Vdc Output Check CN4 Missing one color NoCharacters 30 ...

Page 31: ...No No OK OK OK Change Q9 or U9 Q10 U9 OK Check U9Pin1 Mute U9 OK Check U12 Pin9 Change U12 or U9 Change Speaker or CN6 Cable OK Check CN6 to Speaker Or Change CN9 Check Input source CN9 OK Check Input Signal No Audio 31 ...

Page 32: ...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 32 ...

Page 33: ...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 33 ...

Page 34: ...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...

Page 35: ...35 Chapter 6 AL2032W Exploded Diagram ...

Page 36: ...C _ 3 3 V D D A 3 3 _ R P L L V D D A 3 3 _ P L L V D D A 3 3 _ F P L L V D D A 3 3 _ S D D S V D D A 3 3 _ S D D S V D D A 3 3 _ D D D S V D D A 3 3 _ D D D S V S S A 3 3 _ R P L L V S S D 3 3 _ P L L V S S A 3 3 _ F P L L V S S A 3 3 _ S D D S V S S D 3 3 _ S D D S V S S A 3 3 _ D D D S V S S D 3 3 _ D D D S GPIO_G07_B0 GPIO_G07_B1 GPIO_G07_B2 GPIO_G07_B3 GPIO_G07_B4 GPIO_G07_B5 GPIO_G07_B6 GPIO...

Page 37: ... ADO_R SPKRO SPKRO SPKRO lef t_in RIN LIN SPKLO SPKLO LIN_L ADO_L VOLUME RIN_R SPKLO MUTE LIN_L ADO_C LIN RIN FSDATA5 FSDATA20 FSADDR7 FSDATA11 FSDATA16 FSADDR5 FSDATA12 FSDATA15 FSDQM0 FSDQM3 FSDATA23 FSDATA13 FSDATA4 FSDATA3 FSVREF FSADDR2 FSDATA21 FSDATA7 FSDATA18 FSDATA31 FSADDR10 FSDATA0 FSRAS FSDQM1 FSDATA26 FSDATA10 FSBKSEL0 FSADDR6 FSDATA2 FSDATA30 FSCAS FSCLK FSADDR0 FSADDR3 FSWE FSDATA25...

Page 38: ...6 C94 0 01uF 6 M0TW 03 Graphic Inputs 3 8 Friday September 10 2004 A 03 Graphic Inputs Title Size Document Number Rev Date Sheet of GND GND R 8 9 5 6 R 6 1 RED 4 C91 0 47uF 6 VGA_SCL 4 Near VGA pins GND GND GND 3 3V_DIG GND R88 20R 6 1 C88 0 1uF 6 L7 CX000800000 1206 1 H5 MTH276D126 2 3 4 5 6 7 8 9 GND 1 8V_CORE R86 10K 6 R95 0 6 GND 3 3V_I O_MALIBU GND RGB SIGNAL GNDs at 2 mm from respective RGB ...

Page 39: ...GND C 1 8 7 3 3 0 u 1 6 V R127 1K 6 NC GND C 3 4 1 0 0 0 p F 6 L35 CX000800000 1206 GND PWM0 4 C 1 4 1 0 0 u 2 5 V C 4 1 1 0 0 u 2 5 V PBIAS 4 5V R143 47R 6 GND R12 100K 6 L8 CX000800000 1206 18V C 6 1 1 0 0 u 2 5 V C 8 0 1 u F 6 Q22 MMST3906 C190 0 1uF 6 L3 47UH 1 2 C 1 8 0 1 0 0 u 2 5 V GND C 1 8 4 1 2 0 p F 6 L5 CX000800000 1206 C 3 6 3 3 0 u 1 6 V 5V R72 330R 6 1 L31 CX000800000 1206 C 2 0 9 1...

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