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Acer AL2021, Service Manual

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Acer AL2021 Service Manual Download Page 22

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Chapter 3 

Machine Assembly 

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.

 

Front View :      ( unit : mm ) 

 

Real View :    
 

       

 

Summary of Contents for AL2021

Page 1: ... 1 Acer AL2021 Service Guide Service guide files and updates are available on the CSD web for more information Please refer to http csd acer com tw ...

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 22 Chapter 4 TROBLE SHOOTING 32 Chapter 5 CONNECTOR INFORMATION 34 Chapter 6 FRU LIST 36 Chapter 7 SCHEMATIC DIAGRAM 40 ...

Page 9: ...Dot Clock 135MHz Max Resolution 1600x1200 60HZ Plug Play VESA DDC2B ON Mode 58W EPA ENERGY STAY OFF Mode 3W Audio output Rated Power 2 0W rms Per channel D Sub 15 pin Input Connector DVI D 24 pin Analog 0 7Vp p 75OHM Input Video Signal Digital TMDS 100OHM Horizontal 408mm Maximum Screen Size Vertical 308mm Power Source 90 240 Vac 50 60HZ Environmental Considerations Operating Temp 0 to 40 degree A...

Page 10: ...lume Auto Adjust KEY External Controls Function Contrast brightness Focus Clock H V Position COLOR Language OSD SETTING H V Position Timeout Input Signal Selection Information Reset Exit Regulatory Compliance UL CSA FCC TUV GS CE TCO03 ISO13406 2 ...

Page 11: ... 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 17 VESA 1600 x 1200 60 75 ...

Page 12: ..._DVI 1 8V_ADC 3 3V_ADC 3 3V_PLL FRAMESTORE MT46V2M32LG 4 U1 FSDATA FSADDR FSBKSEL0 1 FSCLK FSDQM MEMORYI F 39VF020 XU1 OCMADDR 0 19 OCMDATA 0 7 AUDIO TPA3002D2 U9 MUTE RESET RESET MAX809_1 U8 MSTRSCL SDA I2C 24LC32SN U7 AUDIOIN L R SPEAK CN6 SPKR0 SPKL0 PWM1 VOLUME POWERSWITCH AIC1563 U2 U3 2 5V U4 3 3V U6 1 8V 12VFROM POWERBOARD GM1601 U5 TXA0 TXA1 TXA2 TXA3 TXAC TXB0 TXB1 TXB2 TXB3 TXBC TOPANEL ...

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

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

Page 15: ...eep mode 2 AUTO If OSD is active press to exit a selection in OSD If OSD is inactive press and the monitor will automatically optimize the position focus and clock of your display 3 OSD Function Press to view OSD Press again to enter a selection in OSD 4 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 ...

Page 16: ...icture 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 COLOR There are three ways of adjusting color Warm Reddish white Cool Bluish white User defined You can adjust the ...

Page 17: ...日本語 Japanese OSD SETTING H Position V Position OSD Timer This changes the position of the OSD window on the screen and staying time INPUT SIGNAL SELECTION Detect input signal Analog or Digital When simultaneous input signal then it will be select Analog or else you can to select Digital signal INFORMATION This shows brief information on the screen Reset Recall to default settings ...

Page 18: ...ot Key Auto button Power Button Indicator The LED of Power is Amber These pages are only visible in factory mode for service people using System in power off mode Dark System in power saving mode Amber System in normal operation mode Green Blue System Status LED Color R G B OFFSET Adjust current RGB cut off level R G B GAIN Adjust current RGB Driver value ...

Page 19: ...easurement by chip set internal signal And reference these values to initial all other color temperature detail parameters COLOR UPDATE Force presently R G B offset and gain parameters update to currently temperature memory address FACTORY RESET Recall to factory setting and power off immediately VERSION Display F W version ...

Page 20: ...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 21: ...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 22: ... 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 Real View ...

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

Page 24: ... 24 Mechanism exploded drawing ...

Page 25: ... 25 ...

Page 26: ...ick the rubber on the back isde of FRAME GAL0T002019 Q TY 2 3 Stick the mylar on the front side of frame FCL0T005010 Q TY 1 4 Stick the mylar on the front side of frame BKT R FCL0T006016 Q TY 1 1 Put the FRAME on LCD PANEL 2 Pull the CCFT CABLE goes through the FRAME 3 Pull the CABLE MB LCD goes through the FRAME 1 Fix the FRAME LCD PANEL by screws MM30060IBJ8 SCREW M3 0 6 0 I NI Q TY 4 1 Put the ...

Page 27: ...ULE TDK Q TY 1 AG12046BQ01 ADP 12V 4 6A Q TY 1 1 Fix the INV MODULE ADP on FRAME by screws MM30040IBJ9 SCREW M3 0 4 0 I NI Q TY 6 2 Fix the GND wire of AC SOCKET on FRAME MS35050ILV0 SCREW M3 5 5 I NI W 3 Plug the CCFT Cable into INV MODULE 1 Plug the Cable MB POWER in to SCALAR B DD0L0TPB001 CABLE ASSY MB POWER Q TY 1 21L0TSB0005 SCALAR B ASSY Q TY 1 ...

Page 28: ...0 4 0 I NI Q TY 2 1 Stick the MYLAR POWER on the MAIN BD ESD FBL0T002010 MAIN BD ESD Q TY 1 FCL0T002011 MYLAR POWER Q TY 1 1 Fix the MAIN BD ESD on FRAME by screw MM30040IBJ9 SCREW M3 0 4 0 I NI Q TY 4 2 Fix MAIN BD ESD PORT BKT together MM30040IBJ9 SCREW M3 0 4 0 I NI Q TY 1 Stick the INV MYLAR on INVERTER ESD FBL0T003016 INVERTER ESD Q TY 1 FCL0T001014 INV MYLAR Q TY 1 2 Stick the MYLAR ESD on I...

Page 29: ...1 SPEAK ASSY Q TY 1 MF25080PJB8 SCREW F2 5 8 0 P Q TY 4 2 Plug the Connector into Scalar B 1 Plug the Cable ASSY MB BUTTON into BUTTON B ASSY 23L0TBB0000 BUTTON B ASSY Q TY 1 DD0L0TTH001 CABLE ASSY MB BUTTON Q TY 1 1 Put the Button Bd on LCD BEZEL SUB ASSY 2 Plug the Connector into Scalar Bd 3 Stick the yellow tape to collect cables ...

Page 30: ...AND BASE Q TY 1 FAL0T005018 STAND ARM Q TY 1 1 Fix the STAND PLATE on the STAND BASE FAL0T002019 STAND PLATE Q TY 1 MF30080FBJ1 SCREW F3 0 8 F NI Q TY 6 2 Fix the STAND PLATE on the STAND ARM MM40070FCI6 SCREW M4 0 7 F NI NYLOK Q TY 4 3 Stick the RUBBER FOOT on GAL5M002011 RUBBER FOOT Q TY 4 1 Fix the HINGE L the HINGE R on the STAND FAL0T003015 HINGE L Q TY 1 FAL0T004011 HINGE R Q TY 1 MM40060BCI...

Page 31: ...NGE CAP TOP on EBL0T002010 HINGE CAP TOP Q TY 1 1 Fix the base on the LCD MODULE a First Screw the MM30080BBJ2 SCREW M3 0 8 B NI Q TY 2 on b Then fix the ME40160PBJ0 SCREW T4 0 16 0 P NI Q TY 4 1 Put the HINGE CAP SIDE on EBL0T004012 HINGE CAP SIDE Q TY 2 1 Stick the CABLE HOLDER on the STAND ARM EBL0T008018 CABLE HOLDER Q TY 1 ...

Page 32: ...2V Change Power module No Check Main module Input CN1 Pin define same as power module CN1 Change Cable From power module CN1 to Main B CN1 No No Power Check Power Button From Main B CN1 to Button B CN1 Change Cable Check cable Open Change Switch or Button board OK No No Yes OK Check Main module FUSE 1 U2 Pin 6 12V L4 5V Output D3 Change Fuse1 or U2 or Q6 or D1 or D2 or Q7 or D3 No OK Change Main b...

Page 33: ...ange VGA Cable Change U5 or Main board No YES YES YES YES YES Check CN2 pin Output From U5 to LCD panel Check Inverter And CN2 OK No NO Change U1 NO No No 3 No Audio NO AUDIO Check Speaker OK Check Connector CN6 Cable Change Speaker Check U5 PinAD7 Mute U9 Pin11 Volume Change Cable Change U5 or U9 Check OSD Control Mute and Volume Check Input Signal CN9 OK Check Signal Source Or change CN9 Change ...

Page 34: ...4 5 1 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 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 35: ...10 TMDS data1 RX1 11 TMDS data1 shield GND 12 NC 13 NC 14 5V 15 Ground return for 5 V and H V sync 16 Hot plug detect 17 TMDS data0 RX0 18 TMDS data0 RX0 19 TMDS data0 shield GND 20 NC 21 NC 22 TMDS clock shield GND 23 TMDS clock RXC 24 TMDS clock RXC CN8 DVI I 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 C1 C2 C3 C4 C5 RX2 RX2 GND RX4 RX4 SCL SDA VS RX1 RX1 GND RX3 RX3 5V GND HP...

Page 36: ...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...

Page 37: ...NV MODULE LOT 12V V 800V A1A 55 L06VE 003 BUTTON BOARD LOT BUTTON B ASSY 55 L06VE 004 LCD 20 1 TFT UXGA FUJITSU FLC51UXC8V 10 LCD TFT FLC51UXC8V 10 20 1 UXA 56 L06VE 001 SINGLE CABLE 15 15P REV1A CABLE ASSY L7V MB VGA 15 15P REV1A 50 L06VE 001 DVI CABLE BLACK CABLE ASSY LOT MB DVI 24P REV2A 50 L06VE 003 LCD CABLE 30P REV1A CABLE ASSY LOT MB DVI 30P REV1A 50 L06VE 004 ...

Page 38: ...E 001 LCD COVER ASSY BLACK LOT LCD COVER SUB ASSY 60 L06VE 002 STAND ASSY BLACK LOT STAND SUB ASSY 60 L06VE 003 HING CAP BLACK HING CAP SIDE LOT EBL0T004 REV3A 60 L06VE 004 LCD FRAME LOT LCD BKT ASSY 33 L06VE 001 MAIN POWER BOARD ESD LOT POWER B SHIELD ASSY 33 L06VE 002 INVERTER BOARD ESD LOT INVERTOR ESD ASSY 33 L06VE 003 ...

Page 39: ... 39 PORT BRACKET PORT BKT LOT FBL0T005 REV 3A 33 L06VE 004 SPEAKER SET SPEAKER ASSY LOT FG QT3900 2W 2 23 L06VE 001 ...

Page 40: ...tents Revision History 03 Graphic Inputs SCHEMATIC Name Date 07 Power 4 Date Initial Release 3 Signature L0T 01 Contents 1 8 Friday July 11 2003 1A Top Level Title Size Document Number Rev Date Sheet of 6 02 Top Level 5 2003 02 20 REVISION HISTORY 8 2 04 gm1601 05 Frame Store 08 Audio A WUXGA UXGA LCD Controller Board Design 1601 RD1 Ver ...

Page 41: ...A_CAB DVI_CAB BLUE RED FSRAS RED FSCAS FSCLK AVS RXC FSCLK OCM_WE L0T 02 Top Level 2 8 Friday July 11 2003 1A Top Level Title Size Document Number Rev Date Sheet of VGA_SDA VGA_CAB FSBKSEL0 FSDQS SOG ROM_CS SHEET 6 06 Memory I F OCMDATA 0 7 OCMADDR 0 19 OCM_WE OCM_RE ROM_CS FSCKE DVI_CAB RX2 RX2 OCMDATA 0 7 FSDQM 0 3 VGA_SCL SHEET 4 04 gm1601 FSCLK FSCLK FSDQS FSCKE FSRAS FSCAS FSWE FSBKSEL0 FSBKS...

Page 42: ...9 56 6 1 RXC 4 GREEN 4 VGA_5V CN7 DB15 HD 1 6 2 7 3 8 4 9 5 11 12 13 14 15 10 DVI_CAB 4 RED 4 RX1 4 C107 0 1uF 6 R105 510 6 NS GND R83 56 6 1 RED 4 C88 0 1uF 6 RX0 4 VGA_SDA 4 L0T 03 Graphic Inputs 3 8 Friday July 11 2003 1A 03 Graphic Inputs Title Size Document Number Rev Date Sheet of DVI_SCL 4 D4 5 6V 1 3 R112 100 6 GND AHS 4 GND DAN202U D9 1 2 3 CN8 DVI I 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16...

Page 43: ..._WE RESET AHSYNC AVSYNC VGA_SCL VGA_SDA DVI_SCL DVI_SDA IR1 IR0 OCM_UDI OCM_UDO MSTR_SCL MSTR_SDA EXTCLK FSADDR0 FSADDR1 FSADDR2 FSADDR3 FSADDR4 FSADDR5 FSADDR6 FSADDR7 FSADDR8 FSADDR9 FSADDR10 FSADDR11 FSDATA0 FSDATA1 FSDATA2 FSDATA3 FSDATA4 FSDATA5 FSDATA6 FSDATA7 FSDATA8 FSDATA9 FSDATA10 FSDATA11 FSDATA12 FSDATA13 FSDATA14 FSDATA15 FSDATA16 FSDATA17 FSDATA18 FSDATA19 FSDATA20 FSDATA21 FSDATA22 ...

Page 44: ... FSRAS FSDATA30 R3 10K 6 1 C27 0 1uF 6 FSWE 4 FSDATA18 FSDATA3 FSDATA23 C5 0 1uF 6 FSADDR3 GND FSDQM2 FSCLK U1 TQFP 100 MT46V2M32LG 4 53 55 28 26 27 25 23 56 24 57 31 32 33 34 47 48 49 50 51 45 36 29 30 94 54 87 88 90 43 2 8 14 22 59 67 73 58 15 35 65 97 98 100 1 3 4 6 7 60 61 63 64 68 69 71 72 9 10 12 13 17 18 20 21 74 75 77 78 80 81 83 84 5 11 62 52 70 76 16 46 66 79 96 95 86 99 92 82 19 85 38 3...

Page 45: ...2 21 20 19 18 17 15 14 13 22 24 31 32 1 16 30 2 A15 A14 A13 A12 A11 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0 DQ7 DQ6 DQ5 DQ4 DQ3 DQ2 DQ1 DQ0 CE OE WE VCC A18 VSS A17 A16 R50 10K 6 OCMADDR17 OCMADDR8 OCMDATA3 OCM_RE OCMADDR12 R70 10K 6 12 LOW 13 LOW disable serial interface debug OCMADDR5 8 BIT_FLASH3 Quanta Computer Inc PROJECT L0T GND Socket for a X8 Flash 64 128 256 512K and PROMJETmemory Emulator OCMD...

Page 46: ...POWER 7 8 Friday July 11 2003 2A 07 Power Title Size Document Number Rev Date Sheet of R22 330K 6 R19 0 6 NS 5V GND GND C33 2200p 6 5V C8 0 1uF 6 D3 RB081L 20 2 1 1 H4 MTH276D126 2 3 4 5 6 7 8 9 GND 1 8V_DVI AGND R24 3K 6 1 FUSE1 4A125 SLOW 1 2 R17 4 7K 6 GND ON OFF Q3 MMBT3904L 3 1 2 C36 1000u 6 3V VOLUME 8 U2 AIC1563 1 2 3 4 5 6 7 8 DC DE CF GND FB VCC IS BOOST L5 CX000800000 1206 Q5 MMBT3904L 3...

Page 47: ... L17 CX000800000 1206 12V_A CN9 ZD005D100 2 3 4 5 1 C99 1U 8 L0T 08 Audio 8 8 Friday July 11 2003 2A 08 Audio Title Size Document Number Rev Date Sheet of C82 1U 8 C111 1nF 6 C84 0 1uF 6 SPKRO R75 4 7K 6 C81 22uF 25V AGND Q10 MMBT3904L 3 1 2 12V LIN SPKRO C65 1nF 6 AGND left_in R76 10K 6 U9 TPA3003D2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 28 27 29 30 31 32 33 34 35 36...

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