Acer G195HQ manual Key Board

Page 36

2. 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

Connect Key Board

Replace Button Switch

Replace Key Board

36

Image 36

Contents Acer G195HQ Service Guide Service Guide Version and Revision T89AM6D8MXAFH2T89AM5D8MXAFN2 Copyright DisclaimerTrademarks ConventionsPreface Precautions Special Notes on LCD MonitorsTable of Contents Chart of G195HQ IntroductionScope DescriptionElectrical Requirements of G195HQ Standard Test ConditionsMeasurement systems LCD Monitor General Specification TTLEPA Energy Star G195HQ LCD Panel Specification of G195HQ General SpecificationsOptical Specifications Factory Preset Timing of G195HQ Monitor Block Diagram Main Board Diagram T89AM6D8MXAFH2 Dual-Input ModelDVI RGBPower Board Diagram MosfetON/OFF DIM Software Flow Chart Remark Symbol Description Main Board Layout715G2883 1 Installation Screen Position Adjustment Attaching / Removing the BaseVolume Up / Down User ControlsAdjusting the OSD settings EColor Management OSDPage Page Using the Right Power Cord Tool for disassembly is as follows Disassembly ProcedurePage Page Lvds Cable Page Panel Main Board 1 No Power OkngNo Picture LED is orange Panel Power Circuit OK NGKey Board Power Board No powerNo Backlight Connector Information Exploded Diagram Model G195HQ FRU Field Replaceable Unit List ChapterDescription TPV Part No Acer Part No `ty Part List Picture Description TPV Part No Acer Part NoKEPC9QKO Page Main Board DDC2SCL DDC2SDAAO3401L TSUM5PFHL Lock type DSUBB+ LVB0M RXO0 CBPC9M5AFQN TSUM1PEL Power board Dbrt VIN Key board AUTO1K