Acer B193R manual Key Board

Page 33

4. Key Board

OSD is unstable or not working

NG

Is Key Pad Board connecting normally?

Y

NG

Is Button Switch normally?

Y

NG

Is Key Pad Board normally?

Y

Check Main Board

33

Connect Key Board

Replace Button Switch

Replace Key Board

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Image 33
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Contents Acer B193R Service Guide Version Release Date Revision History TPV model Service Guide Version and RevisionDisclaimer CopyrightTrademarks ConventionsPreface Special Notes On LCD Monitors PrecautionsTable Of Contents Introduction Chart of B193RScope DescriptionElectrical Requirements Standard Test ConditionsMeasurement systems TTL LCD Monitor General SpecificationLCD Panel Specification General SpecificationsElectrical Characteristics Optical Specifications Support Timing Monitor Block Diagram Main Board Diagram Software Flow Chart Remark Main Board Layout Symbol DescriptionInstallation Attaching/Removing The Base Height AdjustmentTilt SwivelMonitor Pivot Front panel controls External ControlsEColor Management OSD How to Adjust a Setting Adjusting the picture Page Logo Using The Right Power CordDisassembly Procedure Page Page Okng No PowerNo Picture LED is orange OK NG Panel Power CircuitKey Board Power Board No power LED No Backlight Connector Information DVI Connector Chapter Exploded Diagram Model B193RPicture Description Part ListFFC Cable 2007/05/08 Main Board170A8/90B8 Modify Lvds Output Power board Feedback Layout CN603 Key board
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