Acer MB243WABNS service manual Cedid

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7. Writing EDID Process

ACER G24

 

33

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1 Writing EDID Procedure

Hardware Configuration:

1.)Connect the PRINTER PLUG of DDC FIXTURE with the printer port of Desktop PC. (Refer to figure 1)

2.)Plug USB A PLUG of DDC FIXTURE to USB socket of Desktop PC (Refer to figure 2)

3.)Extend the DVI cable on DVI EXTENDING SOCKET of DDC FIXTURE. (Refer to figure 3)

4.1)Connect the D-sub plug of Chroma with D-SUB PLUG of DDC FIXTURE (Refer to figure 4)

4.2) Take a video cable then connect the D-SUB PLUG and the D-sub socket of monitor. (Refer to figure 5)

5.)Connect the extended DVI cable to DVI socket of monitor (Refer to figure 5)

6.)Re-confirm all the connectors are connected well.

DVI EXTENDING

SOCKET

D-SUB PLUG

USB A

SOCKET

PRINTER PLUG

DVI EXTENDING

USB A

SOCKET

PLUG

2. Writing VGA/DVI Process

Chose the folder:”Acer-VGA&DVI” then double click Select the “Acer-M1&M3-XPEDID-DVI-.exe” to execute it

3.Select Model: Key in password”cedid” then select model which one you want to write EDID code that it depends on panel type.

1

2

3

4

5

6

CAUTION: The timing of Chroma shall be setup at T254/ P41 before data recording. the detail setting parameter from chroma .Please See below photo

cedid

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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