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Acer B243W

Service Guide

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Содержание B243W

Страница 1: ...1 Acer B243W Service Guide ...

Страница 2: ...2 Service Guide Version and Revision Version Release Date Revision History TPV model A00 Apr 3 2008 Initial Release TK7SMHDBW7AYBC TK7SMHDKW7AYBC ...

Страница 3: ...buyer and not Acer Incorporated its distributor or its dealer assumes the entire cost of all necessary servicing repair and any incidental or consequential damages resulting from any defect in the software Intel is a registered trademark of Intel Corporation Pentium and Pentium II III are trademarks of Intel Corporation Other brand and product names are trademarks and or registered trademarks of t...

Страница 4: ...erference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television recep...

Страница 5: ...ose of the grounded plug z Unplug the unit during a lightning storm or when it will not be used for long periods of time This will protect the monitor from damage due to power surges z Do not overload power strips and extension cords Overloading can result in fire or electric shock z Never push any object into the slot on the monitor cabinet It could short circuit parts causing a fire or electric ...

Страница 6: ...ftware Flow chart 16 Main Board Layout 18 Installation 19 Attaching Removing the base 21 Chapter 2 Operating Instructions 22 External Controls 22 Front Panel Controls 22 eColor Management OSD 23 How to Adjust a Setting 24 LOGO 27 Chapter 3 Machine Disassembly 28 Chapter 4 Troubleshooting 32 Chapter 5 Connector Information 38 Chapter 6 FRU Field Replacement Unit List 40 Exploded Diagram 40 Chapter ...

Страница 7: ...with the latest LCD technology to provide a performance oriented product with no radiation This will alleviate the growing health concerns It is also a space saving design allowing more desktop space and comparing to the traditional CRT monitor it consumes less power and gets less weight in addition MTBF target is 50k hours or more Chart of B243W Panel LTM240CT01 801 A01 Signal Interface D Sub 15 ...

Страница 8: ...at the brightest two of 32 linear distributed gray scales 0 700mv can be distinguished Picture position and size Factory preset value Viewing angle 90 20 H and 90 10 V AC Supply voltage 230V 5 50 3Hz Ambient temperature 20 5 Humidity 65 20 Display mode 1920x1200 60 Hz all white e color mode Set to User mode Measurement systems The units of measure stated in this document are listed below 1 gamma 1...

Страница 9: ...60Hz ON Mode 118W EPA ENERGY STAR OFF Mode 1W Contrast control Set to factory preset value which allows that the brightest two of 32 linear distributed gray scales 0 700mv can be distinguished Power Source 90 V 240 V 50 3Hz 60 3Hz Environmental Considerations Operating Temp 0 to 40 C Storage Temp 30 to 65 C Operating Humidity 0 to 90 Storage Humidity 0 to 90 Peak surge current 100 A peak at 230 VA...

Страница 10: ...t uses amorphous silicon TFT Thin Film Transistor as switching components This model is composed of a TFT LCD panel a driver circuit and a back light unit The resolution of a 24 0 is 1920 x 1200 and this model can display up to 16 7 millions colors General Specifications Mechanical Information ...

Страница 11: ...11 Electrical Characteristics ...

Страница 12: ...12 Optical Specifications ...

Страница 13: ...6x625 46 875 P 75 000 P 49 500 1024x768 60Hz 1344x806 48 363 N 60 004 N 65 000 1024x768 70Hz 1328x806 56 476 N 70 069 N 75 000 1024x768 72Hz 1304x798 57 7 P 72 P 78 4 XGA 1024x768 75Hz 1312x800 60 023 P 75 029 P 78 750 1152x864 75Hz 1600X900 67 5 P 75 P 108 000 1280x1024 60Hz 1688x1066 63 981 P 60 020 P 108 000 1280x1024 70Hz 1688x1066 74 4 P 70 P 124 9 1280x1024 72Hz 1688x1066 77 9 P 72 P 134 6 1...

Страница 14: ... logic brightness control logic and DDC The power board will provide AC to DC Inverter voltage to drive the backlight of panel and the main board chips each voltage Main Board Flat Panel and CCFL Backlight Video Signal DDC Adapter Board RS232 Connector For white balance adjustment in factory mode HOST Computer CCFL Drive Key Board Inverter Board AC input USB Board ...

Страница 15: ...03 EEPROM M24C16 U408 D Sub Connector CN402 EEPROM M24C02 U402 H sync V sync RGB DB15_SDA DB15_SCL EPR_SDA EPR_SCL LCD Interface CN703 Key Board Control CN405 DVI Connector CN401 EEPROM M24C02 U401 Digital Video Signal FRAME MEMORY U404 Crystal 14 318MHz X401 Crystal 24MHZ 30PF 49US X402 ...

Страница 16: ...16 Software Flow Chart N Y 1 2 N Y 5 Y N 10 Y N 12 Y N 7 Y N 6 4 3 8 9 14 11 13 Y N 15 Y N 16 17 19 Y N 18 ...

Страница 17: ... set it to green color Scalar initializes 10 In standby mode 11 Update the lifetime of back light 12 Check the analog port are there any signals coming 13 Does the scalar send out an interrupt request 14 Wake up the scalar 15 Are there any signals coming from analog port 16 Display No connection Check Signal Cable message And go into standby mode after the message disappears 17 Program the scalar ...

Страница 18: ...R AIC CN703 WAFER 30P 2 0MM DIP DUAL ROW U702 IC AIC1084 33PMTR R AIC CN701 WAFER 14P RIGHT ANGLE PITCH U404 IC EM636165TS 5G 16M TSOPII 50 ETRON CN405 WAFER 6P RIGHT ANGLE PITCH 2 0 U405 IC EM636165TS 5G 16M TSOPII 50 ETRON U407 MTV416GMV U401 M24C02 WMN6TP U402 M24C02 WMN6TP U408 M24C16 WMN6TP X402 24MHZ 30PF 49US X401 XAT01431AFI1H 3OHX AT 49 14 31818MHZ ...

Страница 19: ...e sure both the monitor and computer are switched off 2 Connect one end of the 24 pin DVI cable to the back of the monitor and the other end to the computer s port 2 Connect the power cord Connect the power cord to the monitor then to a properly grounded AC outlet 3 Turn on the monitor and computer Turn on the monitor first then the computer This sequence is very important 4 If the monitor does no...

Страница 20: ...ckwise Tighten the screw clockwise Remove Reverse the steps to remove the base Screen Position Adjustment In order to optimize the best viewing position you can adjust the height tilt swivel pivot of the monitor Height Adjustment After pressing the top of the monitor push the lock button towards right then you can adjust the height of the monitor ...

Страница 21: ... example of the tilt range Swivel With the built in pedestal you can swivel the monitor for the most comfortable viewing angle Monitor Pivot Adjust height to the top position before rotation the monitor Rotate clockwise until the monitor stops at 90 ...

Страница 22: ...n or off 3 4 Press or to navigate to the desired function press Enter to select the function Press or to change the settings of the current function 5 Menu Enter Activate the OSD menu when the OSD is off or activate deactivate the adjustment function when the OSD is on 6 Auto adjust button Exit a When the OSD menu is active this button will act as the exit key exit OSD menu b When the OSD menu is ...

Страница 23: ...23 eColor Management OSD ...

Страница 24: ...24 How to Adjust a Setting ...

Страница 25: ...25 Adjusting the picture ...

Страница 26: ...26 ...

Страница 27: ...here is no video input signal present When there is no video input signals this monitor following a time out period will automatically switch to an OFF mode This reduces the monitor s internal power supply consumption After the video input signal is restored full power is restored and the display is automatically redrawn The appearance is similar to a Screen Saver feature except the display is com...

Страница 28: ...isassembly This chapter contains step by step procedures on how to disassemble the monitor for maintenance Disassembly Procedure 1 Remove the hinge assembly as the following indicator Fig 1 2 Fig 1 Fig 2 Chapter 3 ...

Страница 29: ... Remove the back cover bezel and remove the screws remarked in red in order to remove the main board below Fig 3 Fig 4 Fig 3 Fig 4 3 Release the shield inverter and lamp connectors Fig 5 7 Fig 5 Fig 6 Fig 7 ...

Страница 30: ...Remove the screws remarked in red and release the connector remarked in blue to remove the USB board Fig 8 Fig 8 5 Remove the screws to remove the panel Pay attention to the LVDS cable Fig 9 10 Fig 9 Fig 10 ...

Страница 31: ...31 6 Remove the screws to remove the main board adapter board and inverter board Fig 11 Fig 11 ...

Страница 32: ...the picture is normal Please reinsert and make sure the AC of 100 240 is normal Reinsert or check the power section Check if X401 X402 oscillate waveforms are normal Measure U701 U702 Pin2 3 3V U703 Pin1 1 8V OK OK NG NG NG Measure CN701 Pin1 12V Pin5 5V Replace U403 Replace X401 X402 OK NG Replace Power section Replace U701 U702 U703 NG OK ...

Страница 33: ... waveform is normal Replace U407 Replace X401 Measure U701 U702 Pin2 3 3V U703 Pin1 1 8V Check Correspondent component Replace U701 U702 U703 OK OK OK OK NG NG NG NG Check reset circuit of U407 is normal Check HS VS from CN402 is normal Check Correspondent component NG OK Replace U403 ...

Страница 34: ...reen Measure Q707 base is low level X402 oscillate waveform is normal Check Q705 Q706 Q707 is broken or CN703 solder Check Correspondent component Replace PANEL Replace U403 U407 OK OK Replace X402 NG NG Check U403 U407 NG OK NG ...

Страница 35: ...ard OSD is unstable or not working Is Key Pad Board connecting normally Connect Key Board Is Button Switch normally Replace Button Switch Y NG NG Is Key Pad Board normally Replace Key Board Y NG Y Check Main Board ...

Страница 36: ... the voltage of C914 Check bridge retified circuit Check start voltage for the Pin6 of IC903 Change IC903 IC951 ZD901 Q903 Q904 PS_ON OK Check T901 T902 IC901 IC902 Q901 Q902 OK NG No power NG NG OK Repearing the start voltage Check D953 IC955 IC954 C964 C965 C966 IC950 IC953 ZD950 Q950 ReplaceT901 T902 IC901 IC902 Q901 Q902 Check OLP circuit NG OK NG ...

Страница 37: ...terface board Check the voltage of IC801 pin2 Change Q805 Q806 or Q807 Check the pin1 15 of IC801 have PWM wave Replace IC801 Check Q802 Q804 Q808 Q809 Drain wave Check the output of PT801 PT812 Replace Q802 Q804 Q808 Q809 Check connecter lamp OK Change PT801 PT812 OK OK OK OK OK NG NG NG NG NG NG ...

Страница 38: ...38 Connector Information The following figure shows the connector locations on the monitor D SUB connector Chapter 5 ...

Страница 39: ...39 DVI Connector ...

Страница 40: ... a part number change is made it will not be noted in the printed Service Guide For ACER AUTHORIZED SERVICE PROVIDERS your Acer office may have a DIFFERENT part number code from 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 for repair and service of customer machines NOTE To scrap or to return the ...

Страница 41: ...41 Part List Above picture show the description of the following component Item Picture Description 1 Hinge Assembly 2 Main Frame 3 Panel ...

Страница 42: ...42 4 Adapter Board ...

Страница 43: ...43 5 Inverter Board 6 Main Board 7 USB Board ...

Страница 44: ...44 8 LVDS Cable ...

Страница 45: ...1 S1 G1 D1 D1 D1 D1 LOW LOW C715 0 001uF CN701 CONN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 12V C704 22uF 16V D701 SSM54PT PANEL_EN 6 REV C REV C C709 0 1uF HI VLCD 7 R701 10K 1 10W 5 12V Dimming NC C702 0 1uF FB701 120 OHM 1 2 C706 0 1uF SOT 252 VLCD C719 0 001uF 5V Q707 2N3904S RTK PS C710 22uF 16V C727 0 1uF NC C721 0 22uF NC VCPU 5V 3 6 REV C REV C C703 1000uF 16V R716 15K 1 10W 5 GND 5V GND FOR USB ...

Страница 46: ...ION PC5V R442 10K 1 10W 5 HI RX2 IN Q406 2N3904S RTK PS R434 4K7 1 10W 5 R403 100R 1 10W 5 CABLE NOT CONNECTION REV C REV C FB403 0R05 1 10W 5 R413 10R 1 10W 5 RXC IN R401 10K 1 10W 5 REV C 5V RX0 IN REV C D405 BAV99 3 1 2 R455 75R 1 10W 5 NC R421 4K7 1 10W 5 RX0 IN C419 0 047uF R424 10R 1 10W 5 U402 M24C02 WMN6TP 1 2 3 4 5 6 7 8 A0 A1 A2 GND SDA SCL WP VCC RX0N 4 RX1N 4 RX0 IN R410 1K 1 10W 5 R44...

Страница 47: ...A0P LVA0M NC NC GND GND GND GND VCTRL HWRESET INT ALE RDZ WRZ DBUS 0 DBUS 1 DBUS 2 DBUS 3 GPIO 3 GPIO 2 PWM1 NC MDATA 15 NC MDATA 14 NC MDATA 13 NC MDATA 12 NC MDATA 11 NC MDATA 10 NC MDATA 9 NC MDATA 8 NC MDATA 7 NC MDATA 6 NC MDATA 5 NC MDATA 4 NC MDATA 3 NC MDATA 2 NC MDATA 1 NC MDATA 0 DQM 0 MCLKE MCLK BADR 1 BADR 0 RASZ CASZ WEZ MADR 0 MADR 1 MADR 2 MADR 3 MADR 4 MADR 5 MADR 6 MADR 7 MADR 8 M...

Страница 48: ...SQ DQ14 DQ15 VSS MDATA13 MDATA21 3 3V_MQ AR10 CAS MCLK 4 AR3 MDATA1 R480 47R 1 10W C473 0 1uF AR10 REV C 3 3V_MC AR4 C469 0 1uF 3 3V_SD 2 4 MDATA14 MDATA11 DQM0 MDATA24 AR0 AR7 C467 0 1uF MDATA10 AR2 DQM1 MDATA7 AR2 U405 EM636165TS 6G 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 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 VDD DQ0 DQ1 VSSQ DQ2 DQ3...

Страница 49: ... 10W 5 C493 0 001uF VCPU ALE U408 M24C16 1 2 3 4 5 6 7 8 A0 A1 A2 GND SDA SCL WP VCC C482 22uF 16V R523 NC VCPU VCPU PANEL_EN 2 RESET R724 4K7 1 10W 5 R487 4K7 1 10W 5 AUDIO_STDBY C487 0 22uF R539 4K7 1 10W 1 R483 0R05 1 10W 5 PS_ON OFF 2 HDCP_WP SOURCE_KEY D428 UDZS5 6B C494 0 001uF MENU_KEY Q409 2N3906S RTK PS R532 560R 1 10W 5 VCPU 5V MSDA CN406 CONN 2 4 6 8 10 12 14 1 3 5 7 9 11 13 U407 MTV416...

Страница 50: ... RXOIN0 4 RXEIN0 4 RXOIN3 4 RXOCKIN RXOIN1 RXO1 RXE2 RXOCKIN RXOIN0 4 REV C RXOIN1 RXEIN2 RXO0 RXOIN3 4 RXOIN2 4 RXOIN2 RXOIN2 RXOIN3 RXEIN1 RXOIN3 RXOIN1 4 RXOIN1 VLCD C725 22uF 16V CN703 CONN 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 RXEC RXEIN1 4 RXOCKIN RXOIN3 RXEIN1 RXOIN2 RXO2 C726 0 1uF RXEIN1 RXE3 REV C RXE3 RXEIN3 4 RXOIN1 RXOC VLCD 2 RXEIN2 4 RXOIN0...

Страница 51: ...3 R972 1 2KΩ 1 4W C937 2200pF R970 100Ω 1 4W T901 POWER X FMR 6 7 8 9 10 11 12 1 2 4 R9107 100KOHM 1 4W R978 75KΩ 1 1 8W C933 220PF 25V C963 0 001uF 12V R976 1K 1 4W B Q905 FQPF8N80C C972 L952 3 3uH C966 470uF 35V D910 LL4148 C934 1000PF 50V R9461 2 2 1 4W D909 US1M D954 NC 1 2 3 CN902 Wire Harness 1 2 3 4 5 6 7 8 9 10 11 12 C970 0 1uF C964 1000uF 35V R979 2 4KΩ 1 1 8W R974 1K 1 4W NC R944 10R 1 8...

Страница 52: ...1 RLZ12B 1 2 D904 LL4148 D903 LL4148 R909 15KΩ 1 8W R958 33KOHM 1 1 8W Vcc1 R9102 1R 1 4W BNO C925 10uF 50V R9103 1R 1 4W R956 62KΩ 1 8W Vcc2 F901 FUSE R957 10K 1 8W C927 47uF 50V R937 1K 1 4W R912 10R 1 8W R9111 100K 1 4W C928 0 001uF 250V R901 680KΩ 1 4W C908 0 001uF 250V Q902 FQPF8N80C C920 0 01uF C911 1uF 450V R9113 1R 1 4W IC953 AZ431AZ AE1 C954 1000uF 25V R933 4 7Ω 1 4W D951 FME 220A 1 2 3 C...

Страница 53: ...8 9 10 11 12 13 14 15 16 DRV1 VDDA TIMER DIM ISEN VSEN OVPT NC1 NC2 ENA LCT SSTCMP CT GNDA DRV2 PGND OLP P4 C801 220uF 35V C806 10NF 25V R846 510 1 10W DRV1 C838 220uF 35V D824 SM340A 24V 5V C812 0 1uF 25V R808 47 OHM 1 4W ZD805 RLZ5 6B 1 2 R838 680KOHM 5 1 10W R853 510 1 10W SST TB DRV2 P5 P6 R812 300KOHM 5 1 10W OVPT R862 100 OHM 5 1 8W D823 SM340A R829 1 MOHM 5 1 10W TA R811 34KOHM 1 1 10W 1V U...

Страница 54: ...4 5 6 7 TD P6 C833 2U2 25V PT805 X FMR 564uH 4 1 2 6 P3 PT804 X FMR 564uH 4 1 2 6 TC C834 2U2 25V P2 P1 TB PT810 X FMR 564uH 4 1 2 6 PT806 X FMR 564uH 4 1 2 6 CN805 CONN 1 2 3 4 5 6 7 IS C829 2U2 25V CN803 CONN 1 2 3 4 5 6 7 TA C831 2U2 25V PT811 X FMR 564uH 4 1 2 6 PT802 X FMR 564uH 4 1 2 6 C830 2U2 25V PT801 X FMR 564uH 4 1 2 6 P5 P4 PT807 X FMR 564uH 4 1 2 6 CN804 CONN 1 2 3 4 5 6 7 ...

Страница 55: ...ECOLOR GND LBADC1 LED C005 NC AUTO LED_RED POWER_Key ZD002 UDZSNP5 6B 1 2 MENU 0 V C001 NC C002 NC POWER_Key LBADC2 VOL LBADC2 MENU CONNECTOR GND VOL AUTO R003 1K 1 16W 5 LED_BLUE CN001 CONN 1 2 3 4 5 6 C007 NC SW001 JB41 03521 1 2 3 4 5 6 7 8 9 10 11 12 LED_BLUE ZD001 UDZSNP5 6B 1 2 add ZD001 and ZD002 for ESD solution R001 2K OHM 1 16W VOL VOL ...

Страница 56: ...USB2514 AEZG 31 30 2 4 7 9 1 3 6 8 27 12 16 18 20 13 17 19 21 35 22 24 25 33 32 26 28 11 23 34 29 36 15 14 37 5 10 USBUP_DP USBUP_DM USBDN1_DP USBDN2_DP USBDN3_DP USBDN4_DP USBDN1_DM USBDN2_DM USBDN3_DM USBDN4_DM VBUS_DET PRTPWR1 PRTPWR2 PRTPWR3 PRTPWR4 OCS1 OCS2 OCS3 OCS4 RBIAS SDA SMBDATA NON_REM1 SCL SMBCLK CFG_SEL0 HS_IND CFG_SEL1 XTAL1 CLKIN XTAL2 CLKIN_EN RESET LOCAL_PWR NON_REM0 SUSP_IND TE...

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