Acer RA19WAANU Service Manual

Model ID:RA19WAANUPublished by Wistron Corporation Printed in Taiwan © All rights reserved Subject to modification04th-Sept.-2008DBG DPBU IIDBG DP

2. OSD Manu (continued)9Go to cover pageACER X193HQ

3.1 Packing Exploded Diagram3. Exploded Diagram10Go to cover pageACER X193HQ

3.2 Product Exploded Diagram3. Exploded Diagram (continued)11Go to cover pageACER X193HQ

S4S5S3S2S1Use a Phillips-head screwdriver screwed theNo.1~2 screws till that interface board and bracketchassis base firmly attached.(No1~2 screw size

Plug 2 lamp cables to the connectors of inverterboard.Take lamp cables out from the holes shown as thephoto.Use a Hex-head and screwdriverscrewed the

Stick Vista and TC003 label on the correctposition the same as below photoTake a LDPE+EPE bag to cover the LCDmonitor.Take two cushion foams; one is h

4. Assembly and Disassembly Procedures (continued)Use a Phillips-head screwdriver unscrew 4 screwsto release the stand base.(No1~4 Screw Size=M4x10;To

Put the dissembled monitor closed to by myselfWedge your finger between the front bezel and thepanel, then pry up on the front bezel todisengage the l

Unplug 2 lamp cablesUse a Hex-head screwdriver unscrewed 4 screwsto release the DVI and D-SUB connectors(No1~4Hex Nut screwsSize=M3x8;Torque=4.5~6.5KG

Use a Phillips-head screwdriver unscrewed theNo.1~4 screws to disassemble the power board.(No 1~3 screw size=M3x6; No 4 screwsize=M4x8; Torque=9~10KGF

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

5. TroubleshootingDoes OSM display when you pushPROCEED buttom.YesNo Proceed "No OSM display" section.Check if the sync signal from computer

5. Troubleshooting (continued)5.2 Nothing displays on the screen (Screen is black and colour of LED is blue.)Is backlight lit?Refer "Checking the

5. Troubleshooting (continued)5.2 Nothing displays on the screen (Screen is black and colour of LED is blue)continuedContinueCheck the 5V power supply

5. Troubleshooting (continued)5.3 Checking the back light unitIs +22V supplied to inverter PWB ? (by thepower board)OKNGFailure Point1) Power board of

5. Troubleshooting (continued)5.4 Abnormal screen for VGACheck the R, G, B video signal from computerinput on P302 of video connector.OKNGFailure Poin

5. Troubleshooting (continued)5.5 Abnormal screen (For the DVI)Check the DVI video signal from computer inputon P303 of DVI-I video connector.OKNGFail

5. Troubleshooting (continued)5.6 Abnormal OSM display adjust problemCheck the input TTL level whether was changed whenpressed function keys on the P3

5.7 Abnormal plug and play operation for VGAConfirm the host computer supplies DDC2B mode.OKNGFailure PointThe host machine is not communicatiog in DD

5.8 Abnormal plug and play operation (For the DVI)Confirm the host computersupplies DDC2 mode.OKNGFailure PointThe host machine is not communicatiog i

5.9 Checking the interface circuit of sync signal5.9.1 Checking the control circuit of horizontal sync pluseCheck the horizontal sync signal on P302 p

1.1 SCOPEThis document defines the design and performancerequirements for a 19W inch diagonal , flat panel monitor.The display element shall be a WXGA

5.10 Checking the resolution change IC movementCheck +3.3V supply on I305 pin41,I308 pin1,46.OKNG Proceed " Checking the DC/DC converter circuit&

Check the 5V is output from P301 pin 5,6OKNGFailure Point1) Power wire disconnection.2) Power board is failure.Check the 5V is input to I301 pin3.OKNG

6.2 Realtek F/W Configuration:Step-1 Launch the utility of “ ”DebugTool_V6.2.exeStep-3Select ISP icon.Step-4 Follow up the red square indicationSelect

Step-6Press buttonThe screen will show “PASS”Step-5 Select “64K” icon to load firmware image. There are twoHEX files. You only need to select “64K” to

PRINTER PLUGDVI EXTENDINGSOCKETUSB APLUGD-SUB PLUGDVI EXTENDINGSOCKETUSB ASOCKET1 Writing EDID ProcedureHardware Configuration:1.)Connect the PRINTER

4. Choose "WRITE" from menu then select "Scan S/N AndWrite EDID And Test DDC”5. Key in series number(22 characters) in the input column

8. BLOCK DIAGRAMPCB No.LCD Flat PanelInterface BoardFlat Panel Controller DDC,Interface BoardDC to AC Inverter()OptionAMPAudio1W 2*Speaker()OptionFunc

1. Product Specification (continued)1.3.1.3 Audio Jack (option)This jack shall connect the audio input fromhost computer.1.3.2 Video Input SignalsVide

1.3.2.5 Sync Signal LoadingTTL input loading shall be equivalent to one TTLinput load. When logic 0 is asserted by a syncinput , the maximum current s

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:2 OSD MenuThe description for control function:MainMenuIc o nSubMenuIc o nSub MenuIte mD