Acer RA19WAANU service manual Go to cover

Page 33

32

ACER X193HQ

6. Firmware Upgrade Process (continued)

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Step-5 Select “64K” icon to load firmware image. There are two HEX files. You only need to select “64K” to choose “X203H_AAS_F001-EMEA.hex” and “X203H_AAS_F001-EMEA_Extend.hex” will be loaded in “64~96” automatically.

The screen will show “PASS”

Check firmware version

Turn off the power,then press force on “ POWER ” and “ E ” button at the same time then press on “ MENU ”button to enter factory mode

Note: Please pay attention ,Don’t change any parameter which is measured by precise machine before shipping out

Step-6Press button

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Contents Service Go to cover SUB DVI-I/DVI-DIf using DVI-D cable,C1,C2,C3,C4,C5 is NC Connector Pin Description SUB DescriptionOSD adjustment User Controls and Indicators Power On / Off SwitchKHz MHz Power Supply RequirementsDisplay Communications Channel Panel TimingsBacklight Requirements General Requirements Defects Inspection Spec O l w h it e Main OSD Menu Outline Description for control functionOSD Manu Exploded Diagram Packing Exploded Diagram Exploded Diagram Product Exploded Diagram Plug in parallel direction Angel 5 degrees S10 S18 USER’S Manual Separating all of the locking mechanism Front bezel in turnTurn over the LCD monitor screen faced up Use properly force to pull up front bezel S14 S15 S16S20 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