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1. No Power

No Power

Check CN1

+5V

Yes

Change Power

Board

NO

Check

Q7,Q8,=1.8V

Change

Q7,Q8,Q9,U1

NO

Check Short Of

Main Board

No

Yes

Check

Y1=24MHz

NO

Change Y1

Yes

Check U3 Pin

15,16 Clock

NO

Change U3 or

U7

RUN Software

ISP

Change U5

Yes

Check U7

Pin X1 Clock

Change U7

NO

Check Bottom

Board

Chapter 4

TROUBLE SHOOTING

This chapter provides trouble shooting information for

B173

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Содержание B173

Страница 1: ...Acer B173 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 ...

Страница 2: ...ct 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: ...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 printed ...

Страница 5: ...iving 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 eq...

Страница 6: ...y z 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 z Unplug the unit during...

Страница 7: ...y find slightly uneven brightness in the screen depending on the desktop pattern you use z 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 z 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 th...

Страница 8: ...tents Chapter 1 MONITOR FEATURE 9 Chapter 2 OPERATING INSTRUTION 17 Chapter 3 MACHINE ASSEMBLY 24 Chapter 4 TROBLE SHOOTING 29 Chapter 5 CONNECTOR INFORMATION 38 Chapter 6 FRU LIST 40 Chapter 7 SCHEMATIC DIAGRAM 42 ...

Страница 9: ...isplay Color AUO 16 2 million Colors SAM 16 7 million colors Maximum Dot Clock 135MHz Max Resolution 1280x1024 75HZ Plug Play VESA FPMPMI ON Mode 37W EPA ENERGY STAR OFF Mode 1W Audio output Rated Power 2 0W rms Per channel Input Connector D Sub 15 pin DVI 24 pin optional Input Video Signal Analog 0 7Vp p 75OHM Horizontal 337 9mm Screen Size Active Vertical 270 3mm Power Source 90 264 Vac 47 63HZ ...

Страница 10: ...Volume AUTO e color External Controls Contrast brightness Focus Clock H Position W Position Language OSD Color temperature OSD Position Timeout Auto Config Input Information Reset Exit Regulatory Compliance cUL UL TUV CE TCO03 CSA FCC ...

Страница 11: ... 400 lines 15 253 480 lines 13 714 480 lines 12 678 480 lines V F P ms 0 384 12 lines 0 317 10 lines 0 086 3 lines 0 237 9 lines SYNC H V POLARITY Or SEP SYNC Y Y Y Y MODE NO 5 6 7 8 RESOLUTION 640 x 480 800 x 600 800 x 600 800 x 600 Dot clock MHz 31 5 36 40 49 5 f h 37 500kHz 35 16kHz 37 879kHz 46 875kHz H Total us 26 667 840 dots 28 44 1024 dots 26 40 1056 dots 21 333 1056dots H Sync us 2 032 64...

Страница 12: ...0 770 37 line 0 02 1 line 0 062 3 lines 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 1...

Страница 13: ...INPUT R G B HS VS SOG DVI D D SUB15 EEPROM EDID 24C02 EEPROM EDID 24C02 MCU RTD2021 DVI_IIC D SUB15_IIC CONTROL BUS TO PANEL PANEL CONNETER LDO TO 3 3V LDO TO 1 8V 5DVCC 33VCC 18DVCC SPEAKER AUDIO AMP TPA6021A4 AUDIO INPUT EEPROM 24C16 BUTTON BOARD POWER BOARD Monitor Block Diagram ...

Страница 14: ...PCB CONDUCTOR VIEW ...

Страница 15: ......

Страница 16: ...e2 ...

Страница 17: ...w OSD Press again to exit a selection in OSD 3 LEFT 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 RIGHT 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 AUTO If OSD is active press to enter a selection in...

Страница 18: ...he size of the horizontal screen H Position This adjusts the horizontal V Position This adjusts the vertical Color adjustment There are three ways to adjust color Warm reddish white Cool bluish white User you can adjust the colors red green and blue to the intensity you desire Acer eColor Management OSD options Brightness and Contrast adjusted by Acer eColor Management OSD options User OSD options...

Страница 19: ...ng time Input signal Select either Analog Input or Digital Input video Information This shows information about the screen Information This shows information about the screen Language for EU English Deutsch Espanol Hollands Pyccknn Francais Italiano OSD options Suomalainen OSD options ...

Страница 20: ... chip set internal pattern for hot running monitor panel and inverter AUTO COLOR Perform Auto Balance measurement 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...

Страница 21: ...Acer e color management Brightness Contrast User 77 50 Text 44 50 Standard 77 50 Graphics 97 60 Movie 77 56 ...

Страница 22: ...ties according to the VESA DDC STANDARD It allows the monitor to inform the host system of its identity and depending on the level of DDC used communicate additional information about its display capabilities The communication channel is defined in two levels DDC2B The DDC2B is a bi directional data channel based on the I2 C protocol The host can request EDID information over the DDC2B channel Sys...

Страница 23: ...ored and the display is automatically redrawn The appearance is similar to a Screen Saver feature except the display is completely off The display is restored by pressing a key on the keyboard or clicking the mouse USING THE RIGHT POWER CORD The accessory power cord for the Northern American region is the wallet plug with NEMA 5 15 style and is UL listed and CSA labeled The voltage rating for the ...

Страница 24: ...E 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 ...

Страница 25: ...Real View Top View ...

Страница 26: ...Side View unit mm ...

Страница 27: ...crews from adjusted stand 2 Take off the rear cover from LCD 3 Tear off all the tapes and connectors 4 Remove 4pcs IO NUTS from joints 5 Tear off the lamp cables from p b and the LVDs cable from panel 6 Take off the LCD bezel from panel ...

Страница 28: ...7 Take off 2pcs screws from b b and take off it from bezel 8 Remove 8pcs screws from m b and p b then disconnect them from PCB shielding ...

Страница 29: ... Q9 U1 NO Check Short Of Main Board No Yes Check Y1 24MHz NO Change Y1 Yes Check U3 Pin 15 16 Clock NO Change U3 or U7 RUN Software ISP Change U5 Yes Check U7 Pin X1 Clock Change U7 NO Check Bottom Board Chapter 4 TROUBLE SHOOTING This chapter provides trouble shooting information for B173 ...

Страница 30: ...Missing Color Check VGA Cable Yes Change Cable NO Check R70 R73 R78 Change R70 R73 R78 NO Yes Check CN8 LVDS Signal NO Change U7 or CN8 Cable or Panel Yes Check OSD R G B Gain NO Adjustment R G B Color Change Panel Yes ...

Страница 31: ...3 Always show NO SIGNEL NO SIGNEL Check VGA Cable Yes Change Cable NO VGA Check C20 C23 R70 R7 3 Change R70 R73 L5 R73 R75 C22 C24 NO Change U7 Yes ...

Страница 32: ...SP Basic operations Before write 1 Please insure connect LPT cord to PC LPT Port 2 The correct connection ISP tool to LPT Cord When write BIOS Need connect VGA Cord to ISP tool Double Click RTDTOOL ONLY ISP procedure ...

Страница 33: ...Pop out the follow operation surface Click 64K choose the first bios file bios file choose from the local disk ...

Страница 34: ...ile the first and the second files save together Setup file properties Main acts as the main writing file Second acts as the second writing file Both acts as both files writing together 1TO 4 writer acts as 4PCS main boards writing together ...

Страница 35: ...he two files setup file properties as fellow 1 Within 64K option choose no Extend bios file 2 Within 64K 96K option choose the Extend bios file 3 Choose Both property 4 Choose auto 5 Click go to write Notice The distinction 64K and 64 96K is from BIOS file name 64K WDZV W1_SAM_FW_V100_0x90_061907 64 96K WDZV W1_SAM_FW_V100_0x89_Extend_061907 ...

Страница 36: ... writing OK will display CRC OK Notices Writing is not going will come out the right message MCU link error Analysis Check 1 If connect to writing card and writing cords is ok or all tool are ok 2 If monitor is on state can t into factory state please retry again 3 If cords connections is ok 4 If PC LPL is ok 5 Monitor of main board is gook ...

Страница 37: ...Notices warning prohibit from choosing the error position of BIOS file 64K and 64 94 Maybe writing but writing to display the Chaos of OSD abnormal ...

Страница 38: ...cable PIN3 Audio Line in receptacle 15 pin mini D Sub connector PIN Signal 1 Red 2 Green 3 Blue 4 No Pin 5 Ground 6 Ground Red 7 Ground Green 8 Ground Blue 9 5 V for DDC 10 Ground 11 Ground 12 SDA DDC Data 13 H Sync 14 V Sync 15 SCL DDC Clock DVI D connector optional PIN Signal 1 TMDS data2 2 TMDS data2 ...

Страница 39: ...ta 8 Not connected 9 TMDS data1 10 TMDS data1 11 TMDS data1 shield 12 NC 13 NC 14 5V 15 Ground return for 5 V and H V sync 16 Hot plug detect 17 TMDS data0 18 TMDS data0 19 TMDS data0 shield 20 NC 21 NC 22 TMDS clock shield 23 TMDS clock 24 TMDS clock ...

Страница 40: ...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 41: ......

Страница 42: ...5 5 4 4 3 3 2 2 1 1 D D C C B B A A SCHEMATIC VGA AND TMDS INPUT SHEET 36 37 38 CONTENTS CONTENT 39 40 MCU RTD2525LH POWER 41 AUDIO BLOCK 42 Chapter 7 SCHEMATIC DIAGRAM ...

Страница 43: ...16V U1 1 AIC1117 NC 3 1 2 VIN GND VOUT M1 S10M30 Q1 MMBT3906 R5 2 2K 6 1 M2 S10M30 D3 SSM12 1 2 MH2 M34 D80 1 2 3 4 5 6 7 8 9 R10 330 6 1 NC M3 S10M30 R8 1K 6 C2 0 1u 6 C5 0 1u 6 NC R3 0 ohm 6 R1 150 6 1 NC C9 0 1u 6 U1 AIC1084 TO252 3 1 2 4 VIN GND VOUT VO L3 120 CX201209813 8 L19 120 CX20129813 8 C68 0 1U 6 EC4 100uF 16V NC C3 1U 6 R9 0 6 EC3 100uF 16V R6 1K 6 D7 SMB NC A K MH1 M34 D80 1 2 3 4 5...

Страница 44: ... 6 R41 4 7K 6 RTD2120L U3 RTD2120L 44 45 46 47 48 1 2 3 4 8 15 16 17 41 40 39 38 37 36 35 34 33 19 28 32 20 21 22 23 24 25 26 27 5 9 10 11 12 13 14 18 6 7 42 43 29 30 31 P5 0 PWM0 P5 1 PWM1 P5 2 PWM2 P5 3 PWM3 P5 4 PWM4 P5 5 PWM5 DSCL2 P5 6 DSDA2 P5 7 RST ASDA P3 1 TXD XO XI VSS VCC P1 0 T2 P1 1 P1 2 P1 3 P1 4 P1 5 P1 6 P1 7 NC VSYNC NC P6 0 ADC0 P6 1 ADC1 P6 2 ADC2 P6 3 ADC3 P6 4 P6 5 P6 6 CLKO1 ...

Страница 45: ...EGA10603V05A1 B NC 1 2 R81 100 6 D9 DAN217K NC 2 1 3 R174 4K7 6 NC 1 2 C21 0 047u 6 C31 0 1u 6 D26 EGA10603V05A1 B NC 1 2 R78 100 6 R80 100 6 D11 DAN217K NC 2 1 3 C22 0 047u 6 R73 100 6 D36 EGA10603V05A1 B NC 1 2 U9 24C02 NC 5 6 8 4 1 2 3 7 SDA SCL VCC GND NC0 NC1 NC2 WP CN5 DVI D 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 RX2 RX2 GND RX4 RX4 SCL SDA VS RX1 RX1 GND RX3 RX3 5V G...

Страница 46: ...D_SD3 SDI RTD_SCLK R1 AHS1 B1 B1 G1 G1 R1 AVS1 PANEL_PW12 PANEL_VCC 5DVCC PANEL_VCC PANEL_VCC 3DVCC R1 8DVCC 1 8DVCC TMDS_VCC R1 8AVCC 1 8DVCC 3DVCC 1 8DVCC 3DVCC R3 3VCC R1 8DVCC R1 8DVCC R3 3VCC R3 3VCC TMDS_VCC CN8 CONN FFC 30 NC 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 27 28 29 30 31 32 C71 0 1u 6 C37 0 1u 6 R107 470 6 C49 0 1u 6 R94 10K 6 L23 CX201209813 8 NC CN6 1...

Страница 47: ...NC AC2 100uF 16V NC AC3 1U 8 NC AC9 330uF 16V NC 1 2 AC15 0 1U 6 NC AL6 120 CX201209813 8 NC 1 2 AQ2 CHDTC144EUPT NC 2 3 1 AC5 0 47U 16V 6 NC AC4 0 47U 16V 6 NC AC16 0 1U 6 NC AR9 100 6 NC ACN1 4606 04 04P R 4 3 2 1 4 3 2 1 AC10 0 47U 16V 6 NC AC8 220P 6 NC AQ1 DTC144EUA NC 2 3 1 AR14 0 6 NC AC17 0 1U 6 NC AL4 120 CX201209813 8 NC 1 2 AC11 0 47U 16V 6 NC AR11 20K 6 NC AL2 120 CX201209813 8 NC 1 2 ...

Страница 48: ... POWER SEL e SW1 SW2 SW3 SW4 SW6 SW5 CN1 GREEN AMBER PWR e RIGHT SEL MENU LEFT SW6 SW METALDOME SW2 SW METALDOME CN1 7101 E10N 1 2 3 4 6 8 7 5 11 12 9 10 SW4 SW METALDOME GREEN AMBER 3 1 2 4 LED1 KPTB 1612 SW5 SW METALDOME SW1 SW METALDOME SW3 SW METALDOME Button Board ...

Страница 49: ...5 1 7 4 3 6 1 3 2 4 Power Board ...

Страница 50: ......

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