Acer A221HQV Acer A221HQV LCD Monitor Service Guide - Page 62

60 ACER A211H/A221HQ Go to contents page 7. Writing EDID Process Notice Notes: Please be noted that 'INI.INI' file must be copied into 'C:\WINDOWS' root directory before running EDID program. Moreover, please be aware of not changing any parameters in the 'INI.INI' file. Especially, the upload key must keep '0' to disable file uploading process in field. 7.1 Writing EDID Procedure: Hardware Configuration: 1. Connect the PRINTER PLUG of DDC FIXTURE with the printer port of 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 6) 6. Re-confirm all the connectors are connected well. D-SUB PLUG DVI EXTENDING SOCKET PRINTER PLUG USB A PLUG 1 2 USB A SOCKET DVI EXTENDING SOCKET 3 7.2 Writing VGA/DVI Process: S1. Chose the folder such as "P226HQ-1A1D", (Note: It depends on which model you want to write. 1A is used in the monitor only have VGA port, 1A1D is used in the monitor both have VGA and DVI ports.) herein we take "P226HQ-1A1D" for a example, select the "AcerDigedid_20100105_SN.exe" of "P226HQ-1A1D" to execute it. S2. Select Model: Key in password "cedid" then select model which one you want to write EDID code that it depends on panel type. 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