Acer X223 Wartungshandbuch

Table of ContentsImportant Safety Notice------------------------------------------------------------------------------------- 0101. Product Specificat

2. OSD Manu (continued)9Go to cover pageACER X223W

3.1 Packing Exploded Diagram3. Exploded Diagram10Go to cover pageACER X223W

3.2 Product Exploded Diagram3. Exploded Diagram (continued)11Go to cover pageACER X223W

Use a Phillips-head screwdriver screwed theNo.1~4 screws till that interface board and bracketchassis base firmly attached.Use a Phillips-head screwdr

Use a Phillips-head screwdriver screwed theNo.1~2 screws.(No1~2 screw size=M3x10; Torque=3~5KGFxCM).Use a Phillips-head screwdriver screwed the No.1~4

Stick a screen card on the front bezel with twotapes.Assemble the hinge cover into both two sidesAssemble the stand upper side to the rear coverthroug

Move previous assembled parts into the cartonthen stick Vista and feature label on the carton thenpacking the cartonPut accessories of stand, DVI cabl

Use a Phillips-head screwdriver unscrew 4 screwsto release the stand base.(No1~4 Screw Size=M4x10;Torque=11~13KGFxCM).Disassemble the stand cover.Put

Work your way along the front bezel to disengageall the locking mechanism.Place cloth on the panel where you are workingon to protect the panel. Conti

Disconnect the FFC cable to the connector ofpanel.Use finger to push the lock according to arrowdirection then take out the FFC cableTake out lamp cab

Product Anouncement:This product is certificated to meet RoHS Directive andLead-Free produced definition. Using approved criticalcomponents only is re

Use a Phillips-head screwdriver unscrewed theNo.1~4 screws to disassemble the power board.(No1 screw size=M4x8; No2~4 screw size=M3x6;Torque=9~10KGFxC

5.1 No.display of screen (Screen is black, color of LED isamber)5. TroubleshootingYesNo Proceed "No OSM display" section.OKNGInput the sync

5.2 Nothing display on screen (screen is black, color of LED isblue)5. Troubleshooting (continued)Refer "Checking the backlight unit" sectio

5. Troubleshooting (continued)OKOKFailure Point1) Printed wire between Q301 pin3,R305, R306, I301 pin1 is failure..2) Q301 is failure.NGOKNGOKFailure

5.3 Checking the back light unit5. Troubleshooting (continued)Is +22V supplied to inverter PWB ?(by the power board)OKNGFailure PointPower board of In

5.4 Abnormal screen for VGA5. Troubleshooting (continued)OKNGFailure Point1) No R, G, B video signals output fromhost computer, check computer.2) Vide

5.5 Abnormal OSM display adjust problem5. Troubleshooting (continued)OKNGFailure Point1) Function key wire disconnection.2) Function key wire is failu

5.6 Abnormal plug and play operation for VGA5. Troubleshooting (continued)OKNGFailure PointThe host machine is not communicatiog in DDC2Bmode.OKNGFail

27Go to cover page5.7 Checking the interface circuit of sync signal5.7.1 Checking the control circuit of horizontal sync pulseOKNGFailure PointVideo c

OKNG Proceed " Checking the DC/DC converter circuit" section.OKNG Proceed " Checking the DC/DC converter circuit" section.OKNGFail

1.1 SCOPEThis document defines the design and performancerequirements for an 20/22W inch diagonal , flat panelmonitor .The display element shall be a

5.9 Checking the DC/DC converter circuitOKNGFailure Point1) Power wire disconnection.2) Power board is failure.OKNGFailure Point1) Printed wire broke

6. Schematics and Layouts:_6. SCHEMATICS BLOCK DIAGRAM1 ACER_LCD_X223W_PCB No.6832190100P01ScalerFunctionKeyBoardFlash EPROMSST 25VF010APMC 25LV010AXT

_6.2 SCHEMATICS POWER BOARDACER_LCD_X223W_PCB No.6832192600P01GND5VON OFF_5VBRIGND5VGND5VGND 1-GND 1-GNDGNDGNDGNDGND 1-GND GNDGND 1-GND GNDGND 1-+5VGN

6.3 ACER _ INTERFACE_TOP_LCD_X223W SCHEMATICS_6832190100P01PCB No.AUDIO7 AUDIO.AUDIO EN_VOLUMEVDDPOWER2 POWER.BKLT EN_VCC3V3PANELVCC EN_BKLT ADJ_VCC5V

_6.4 SCHEMATICS INTERFACE POWERACER_LCD_X223W_PCB No.6832190100P01SOT 223-EBCDSGNOTE FOR AUDIO POWER 5V:100R30222KNC4K7C301 R301DCPULSE0 1uF.NCSu scon

_6.5 INTERFACE BD_ACER_LCD_X223W SCHEMATICS_ VGAPCB No.6832190100P011P23PNVGA SCL_VGA SDA_VGA5VVGA DDC DAT__VGA DDC CLK__VGA VSYNC_VGA VSYNC_VGA HSYNC

_6.6 SCHEMATICS INTERFACE BD_ACER_LCD_X223W_ SCALERPCB No.6832190100P01Su scon UK 3000hrsSu scon UK 3000hrsSu scon UK 3000hrsSOGVSYNCGNDRGNDBXOUTGNDGG

_6.7 SCHEMATICS INTERFACE BD_ACER_LCD_X223W_ KEY PANEL INTERFACE&FOR THE DOWN SIDEADC2 IN_ 1 641V 56Kohm.( )ADC1 IN_KEY E_KEY LEFT_KEY POWER_ KEY

_6.8 SCHEMATICS FUNCTION _KEYACER_LCD_X223W_PCB No.6832192500P01LEDORANGELEFT KEYLEDBLUEMenu KEYPOWER KEYE KEYRIGHT KEYAUTO EXIT KEY/S604SW PUSHBUTTON

6.9 ACER_LCD_X223W LAYOUTS_POWER BOARD_POWER BOARD - BOTTOM SILKPOWER BOARD - TOP SILK1234567 89101112131234567 8910111213ABCDEFGABCDEFGPCB No.Go to c

1. Product Specification (continued)1.3.1.3 Audio Jack (option)This jack shall connect the audio input from hostcomputer.1.3.2 Video Input Signals1.3.

6.10 ACER_LCD_X223W LAYOUTS_INTERFACE BOARD_PCB No.1234567 89101112131234567 8910111213ABCDEFGABCDEFGGo to cover page39ACER X223W

6.11 ACER_LCD_X223W LAYOUTS_FUNCTION KEY BOARD_PCB No.1234567 89101112131234567 8910111213ABCDEFGABCDEFGGo to cover page40ACER X223W

1.3.2.6 Abnormal Signal ImmunityThe monitor shall not be damaged by improper synctiming , pulse duration , or absence of sync , orabnormal input signa

1.3.5 Controller Requirements1.3.5.1 General RequirementsThe monitor shall include a controller capable ofconverting the analog RGB signal from a stan

1.3.8 Display Communications ChannelThe monitor assembly shall provide a displaycommunications channel that conforms to VESADDC2Bi hardware requiremen

1.4.5.5 Defect TerminologyTable 3 gives the descriptive terms used in classifyingdefects.1.5 Optical CharacteristicsDepends on the LCD supplier's

2.1 MAIN OSD MENUOutline:The description for control function:MainMenuIc o nSubMenuIc o nSub MenuIte mDescriptionAdjustm entRangeReset ValueN/A WarmSe