Specifications

Troubleshooting Downloading Setup Parameters and Replacing the CRT/Video
Downloading Setup Parameters and
Replacing the CRT/Video Board*
* Important: Some countries do not support replacement of the
CRT/video board. Check the service strategy in your region before
continuing this procedure.
Caution: To avoid data corruption, check the cable routing of the
yoke wires that connect to the main deflection board at BF1 and
BL1. If the yoke wires are bundled with a cable clamp to the
ribbon cables, separate the yoke wires from the ribbon cables and
the cable clamp.
The following steps show the procedure for
• Creating (downloading) a parameter settings file
• Duplicating the parameter settings file
• Replacing the CRT/video board
• Writing (uploading) the display parameters
Important: When you connect the monitor to a computer, be sure
to connect the ADB cable from the monitor’s video cable to the ADB
port on the computer.
Download Parameter Settings
1 Turn on the computer and the monitor.
2 Open the application called Display Service Utility (from the
Diagnostics folder on the Service Source Companion CD).
3 Select AppleVision 850/850AV pattern selections.
4 To download parameters from the CRT/video board, click
Create File. A message appears explaining that the process
Yoke Wires
Cable Clamp
Ribbon Cables