Acer RB23WABAS service manual 1234567

Page 53

8.13 ACER_LCD_H233H_LAYOUTS_OSD KEY BOARD AND POWER KEY BOARD

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OSD KEY BOARD

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B

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POWER KEY BOARD

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G

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13

A

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D

E

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13

ACER H233H		52

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Image 53

Contents Service Go to cover Scope Video Signal Amplitudes Content Analog input VGA treats all timings as PC-timings Defects 5.1Visual Inspection Diameter, they must be at least 15mm apart Main OSD Menu OSD Volume management OSD Go to cover Exploded Diagram Packing Exploded Diagram Exploded Diagram Product Exploded Diagram Plug in parallel direction Angel 5 degrees S11 S17 S18 S21 Go to cover Open the carton with a proper tool S10 S17 S21 Does OSM display when you push Menu key Next Circuit section Printed wire broke between P301 pin2, R304 and I308 pin Troubleshooting Abnormal screen for VGA Go to cover Troubleshooting Abnormal OSM display adjust problem Troubleshooting Abnormal plug and play operation for VGA Go to cover Troubleshooting Troubleshooting Checking the resolution change IC movement Troubleshooting Checking the DC/DC converter circuit Firmware Upgrade Process Go to cover Ssmeans Samsung Panel Hdmi Transfer DVI Connection Hdmi Transfer DVI Connection Acer H233H Block digram PCB No P01 TO263 ACERLCDH233HSCHEMATICSINTERFACEBDVGA & DDC Input ACERLCDH233HSCHEMATICSINTERFACEDVI & DDC Interface HDMI19P Acer H233H NC/A-POINT 6PIN ACERLCDH233HSCHEMATICSOSD Keybd Ledorange Ledwhite Power Board TOP Silk ACERLCDH233HLAYOUTSINTERFACE Board 1234567