Acer G195HQ manual Monitor Block Diagram

Page 14

Monitor Block Diagram

The LCD MONITOR will contain a main board, a power board, and a key board which house the flat panel 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.

Power Board

AC-IN 100V-240V

CCFL Drive.

Flat Panel and

 

CCFL backlight

 

 

Main Board

Key board

 

DVI Signal

 

D-SUB Signal

 

 

(Dual-Input model)

 

 

 

 

 

 

 

 

 

14

Image 14
Contents Acer G195HQ Service Guide T89AM5D8MXAFN2 Service Guide Version and RevisionT89AM6D8MXAFH2 Trademarks CopyrightDisclaimer ConventionsPreface Precautions Special Notes on LCD MonitorsTable of Contents Scope Chart of G195HQIntroduction DescriptionMeasurement systems Electrical Requirements of G195HQStandard Test Conditions EPA Energy Star LCD Monitor General SpecificationTTL G195HQ LCD Panel Specification of G195HQ General SpecificationsOptical Specifications Factory Preset Timing of G195HQ Monitor Block Diagram DVI Main Board DiagramT89AM6D8MXAFH2 Dual-Input Model RGBON/OFF DIM Power Board DiagramMosfet Software Flow Chart Remark 715G2883 1 Symbol DescriptionMain Board Layout 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