Acer RA19WAANU service manual Cedid

Page 34

7. Writing EDID Process

ACER X193HQ

33

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

Go to cover page

2. Writing VGA/DVI Process

Chose the folder:”Acer-X193H-X203H-digital signal” or “Acer- X193H-X203H” it depends on which model you want to write. Acer-X193H-X203H be used in the monitor only has VGA port.

Acer-X193H-X203H-digital signal be used in the monitor both have VGA and DVI port

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

1

2

3

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

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Contents Service Go to cover SUB Connector Pin Description SUB Description DVI-I/DVI-DIf using DVI-D cable,C1,C2,C3,C4,C5 is NCUser Controls and Indicators Power On / Off Switch OSD adjustmentPower Supply Requirements KHz MHzPanel Timings Display Communications ChannelBacklight Requirements General Requirements Defects Inspection Spec Main OSD Menu Outline Description for control function O l w h it eOSD Manu Exploded Diagram Packing Exploded Diagram Exploded Diagram Product Exploded Diagram Plug in parallel direction Angel 5 degrees S10 S18 USER’S Manual Front bezel in turn Separating all of the locking mechanismTurn over the LCD monitor screen faced up S14 S15 S16 Use properly force to pull up front bezelS20 Does OSM display when you push Proceed buttom Next Circuit section Troubleshooting Checking the back light unit Troubleshooting Abnormal screen for VGA Troubleshooting Abnormal screen For the DVI Troubleshooting Abnormal OSM display adjust problem Abnormal plug and play operation for VGA Troubleshooting Abnormal plug and play operation For the DVI Checking the control circuit of vertical sync pluse Troubleshooting Checking the resolution change IC movement Troubleshooting Checking the DC/DC converter circuit Firmware Upgrade Process Go to cover Cedid Go to cover Interface Board LCD Flat Panel