Acer B223W-2 Скачать руководство пользователя | Manualshive

Страница: 14 / 49

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14

Main Board Diagram

U401

Scalar IC TSUMU58EHL-LF

(Include MCU , ADC, OSD)

·

D-Sub

Connector

(CN101)

H sync

V sync

RGB

LCD Interface

(CN301)

Key Board

Control

(CN402)

Crystal

(X401)

14.31818MHZ

DVI

Connector

(CN102)

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Содержание B223W-2

Страница 1: ...1 Acer B223W Dual USB HUB AUDIO Service Guide...

Страница 2: ...2 Service Guide Version and Revision Version Release Date Revision History TPV model A00 May 28 2008 Initial Release TC8MMAD8W7ABPN...

Страница 3: ...uyer 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 soft...

Страница 4: ...rference 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 interfer...

Страница 5: ...se 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...

Страница 6: ...tware Flow chart 15 Main Board Layout 17 Installation 18 Attaching Removing the base 19 Chapter 2 Operating Instructions 21 External Controls 21 Front Panel Controls 21 eColor Management OSD 22 How to...

Страница 7: ...th 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 an...

Страница 8: ...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...

Страница 9: ...Hz ON Mode 49W EPA ENERGY STAR OFF Mode 1W Contrast control Set to The value under user mode which allows that the brightest two of 32 linear distributed gray scales 0 700mv can be distinguished Power...

Страница 10: ...4 CCFL Backlight Unit and a 30 pin 2ch LVDS interface This module supports 1680 x 1050 WSXGA 16 10 wide screen mode and displays up to 16 7 millions colors The inverter module for the Backlight Unit i...

Страница 11: ...11 Optical Specifications...

Страница 12: ...GA 800x600 75Hz 1056x625 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 7...

Страница 13: ...anel control 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 Inverter Board Include...

Страница 14: ...14 Main Board Diagram U401 Scalar IC TSUMU58EHL LF Include MCU ADC OSD D Sub Connector CN101 H sync V sync RGB LCD Interface CN301 Key Board Control CN402 Crystal X401 14 31818MHZ DVI Connector CN102...

Страница 15: ...15 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 16: ...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...

Страница 17: ...CN102 DVI 24PIN CONNECTOR CN701 WAFER 9P RIGHT ANELE PITCH U103 U104 U105 U106 U107 IC AZC099 04S SOT23 6L CN301 CONNECTOR U403 IC M24C04 WMN6TP SO8 CN101 D SUB 15PIN U402 SST25LF020A 33 4C SAE U401 I...

Страница 18: ...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...

Страница 19: ...kwise 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 t...

Страница 20: ...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 monito...

Страница 21: ...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 o...

Страница 22: ...22 eColor Management OSD...

Страница 23: ...23 How to Adjust a Setting...

Страница 24: ...24 Adjusting the picture...

Страница 25: ...25...

Страница 26: ...ere 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 su...

Страница 27: ...ter 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 Fig 1 2 Remove the back cover...

Страница 28: ...3 Remove the screws to remove the shield_main Fig 3 Fig 3 4 Remove the screws to remove the USB board Fig 4 Fig 4 5 Remove the lamp connectors and release the screw to remove the AC shield Fig 5 Fig...

Страница 29: ...29 6 Remove the screws to remove the panel Pay attention to the LVDS cable Fig 6 Fig 6 7 Remove the screws to remove the main board and power board Fig 7 Fig 7...

Страница 30: ...4 No power Press power key and look if 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 oscillate waveforms are normal...

Страница 31: ...mal Replace U401 Replace X401 Measure U701 Pin2 3 3V Check Correspondent component Replace U401 Check X401 oscillate waveform is normal Replace U701 OK OK OK OK OK NG NG NG NG Check reset circuit of U...

Страница 32: ...se is low level X401 oscillate waveform is normal Check CN301 is solder and Q301 Q302 is OK Check Correspondent component Replace PANEL Check Correspondent component Replace U401 OK OK OK Replace X401...

Страница 33: ...rd 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 Chec...

Страница 34: ...olt 120V or 220V Change F901 Check BD901 L901 IC901 Check the voltage of C905 Check bridge retified circuit Check start voltage for the Pin2 of IC901 Change IC901 OK Check the auxiliary voltage is sma...

Страница 35: ...board Check IC801 pin12 12V Change Q805 Q808 or Q810 Check the pin9 10 of IC801 have PWM wave Change Q801 Q804 Q811 Q812 Replace IC801 Check the resonant wave of pin3 pin7 for T801 Check the output of...

Страница 36: ...36 Connector Information The following figure shows the connector locations on the monitor D SUB connector Chapter 5...

Страница 37: ...37 DVI Connector...

Страница 38: ...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...

Страница 39: ...39 Part List Above picture show the description of the following component Item Picture Description 1 Hinge Assembly 2 Main Frame 3 Panel...

Страница 40: ...40 4 Power Board 5 Main Board 6 FFC Cable 7 USB Board...

Страница 41: ...1P C119 NC U107 C117 0 22uF16V R117 100R 1 16W 5 VGA_G R127 10R 1 16W 5 ESD_VCC VGA_PLUG U105 C118 NC R122 NC R140 NC RXCP 2 R120 10K 1 16W 5 CN102 JACK 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19...

Страница 42: ...16W 5 C301 0 1uF 16V RXEC Q301 AO3401 R303 10K 1 16W 5 S PB6 LVBCKM RXO1 PB 0 9 LVB2P LVA2M LVB3P R304 47K 1 16W 5 RXO1 LVA1P LVB2M LVA3P G PB0 LVA3P LVA0M Change the type of resistor R301 from 0805 t...

Страница 43: ...8 CE SO WP VSS SI SCK HOLD VDD R409 100R 1 16W 5 R406 22K 1 16W 5 PB 0 9 LED_GRN BLUE EE_WP For ID2008 WAFER 2 0MM 7P For user data WB EDID HDCP are saved in Flash 10K 1 16W 5 VDVI PA4 R401 390 OHM 1...

Страница 44: ...KLT VBRI D702 FB701 NC VCTRL C713 NC DVI_5V BKLT VBRI C706 100uF25V R708 CN701 CONN 1 2 3 4 5 6 7 8 9 3 3 OHM 2W VCC3 3 C709 0 1uF 16V C712 NC C711 0 1uF 16V R704 4K7 1 16W 5 DGND 1 2 3 TSUMO58CWHL U7...

Страница 45: ...7552BPS 1 2 3 4 5 6 7 8 GND COMP VCC RT NC CS VCC OUT C938 1500pF 1KV C939 1000uF 16V Q901 2SK2645 54MR R903 680K OHM 1 4W C925 NC R904 300K OHM 1 4W R939 NC GND1 GND 1 2 C929 0 001uF C909 470pF 25V C...

Страница 46: ...5 0 0022uF C823 0 0022uF R861 130K OHM 1 1 10W D804 BAV99 3 1 2 Q805 PDTC144WK T801 POWER X FMR 1 4 8 3 7 9 6 2 5 C838 1500pF C822 1uF 25V Q812 PMBS3906 1 2 3 Q803 AM9945N T1 PF 1 2 3 4 8 7 6 5 S G S...

Страница 47: ...C615 NC R616 1K 1 10W 5 5V_Audio ROUT C610 100pF CN604 NC CONN 1 2 3 4 change R609 R610 R611 R612 add R616 C613 100uF 25V C616 NC C607 0 47uF 16V R607 10K 1 10W 5 MUTE EAR ROUT LOUT EAR LOUT SEL BTL C...

Страница 48: ...POWER_Key C002 NC LED001 LED 3 4 1 2 MENU 0 V C001 NC POWER_Key LBADC2 VOL LBADC2 C003 NC MENU CONNECTOR GND VOL C004 NC AUTO R003 1K 1 16W 5 LED_BLUE LED_BLUE R002 2K OHM 1 16W add ZD001 and ZD002 f...

Страница 49: ...02 SM540A U709 AP1510SA 1 2 3 4 5 6 7 8 FB EN OCSET VCC OUTPUT OUTPUT VSS VSS 02 USB 2514 DM0 USB_CTRL R719 100K 1 10W 5 R755 10K 1 10W 5 R753 100K 1 10W 5 C771 100uF 16V OC1 DP3 R727 15K 1 10W 5 C793...

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