Acer MB243WABNS service manual Go to cover

Page 2

Important Safety Notice

ACER G24

 

1

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Product Anouncement:

This product is certificated to meet RoHS Directive and Lead-Free produced definition. Using approved critical components only is recommended when the situation to replace defective parts. Vender assumes no liability express or implied, arising out of any unauthorized modification of design or replacing non-RoHS parts. Service providers assume all liability.

Qualified Repairability:

Proper service and repair is important to the safe, reliable operation of all series products. The service providers recommended by vender should being aware of notices listed in this service manual in order to minimize the risk of personal injury when perform service procedures. Furtermore, the possibile existed improper repairing method may damage equipment or products. It is recommended that service engineers should have repairing knowledge, experience, as well as appropriate product training per new model before performing the service procedures.

NOTICE:

!To avoid electrical shocks, the products should be connect to an authorized power cord, and turn off the master power switch each time before removing the AC power cord.

!To prevent the product away from water or explosed in extremely high humility environment.

!To ensure the continued reliability of this product, use only original manufacturer s specified parts.

!To ensure following safty repairing behavior, put the replaced part on the components side of PWBA, not solder side.

!To ensure using a proper screwdriver, follow the torque and force listed in assembly and disassembly procedures to screw and unscrew screws.

!Using Lead-Free solder to well mounted the parts.

!The fusion point of Lead-Free solder requested in the degree of 220°C.

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Contents Acer Go to cover Scope Sync Signal Loading Video Input Signals Function LED Color Factory Preset Video Timings Digital Inputs Panel Electrical Diameter, they must be at least 15mm apart Main OSD Menu Outline Description for control function OSD Manu Exploded Diagram Packing Exploded Diagram Exploded Diagram Product Exploded Diagram Assembly and Disassembly Procedures S10 S11 S12 S22 Open the carton with a proper tool S10 S15 S18 Go to cover Proceed to 5.3 Checking the backlight unit section Troubleshooting Troubleshooting Abnormal Screen Troubleshooting Abnormal OSM display OSD Adjusment Problem Failure Point Confirm the output of serial Checking the control circuit of vertical sync pulse Troubleshooting Checking the resolution change IC movement Between I301, I303 Troubleshooting Checking the inverter board circuit Failure Point I314 was damaged Firmware Upgrade Process Go to cover Cedid Go to cover PCB No PCB No P01 For Power Saving Control ACERLCDG24SCHEMATICSINTERFACEBDMCU and Function KEY Dsub ACERLCDG24SCHEMATICSINTERFACEBDHDMI and DVI Input 123 ACERLCDG24SCHEMATICSINTERFACEBDSDRAM ACERLCDG24SCHEMATICSINTERFACEBDUSB and CAM/MIC Output Hdmi Audio CODECdeleted for P243W Hdmi model ACERLCDG24SCHEMATICSINVERTER BD Menu KEY Power Board TOP Silk ACERLCDG24LAYOUTSINTERFACE Board ACERLCDG24LAYOUTSFUNCTION KEY Board ACERLCDG24LAYOUTSINVERTER Board