Tektronix TDS6404, Service Manual

Page: 225 / 252

Troubleshooting
TDS6000 Series Service Manual
6- 75
Update/Restore the NLX Board CMOS
If the CMOS parameters become corrupted, restore the CMOS memory using the
following procedure:
CAUTION.
Only install CMOS parameters from Tektronix. CMOS parameters
from other manufactures my make your oscilloscope inoperable.
1. Edit the autoexec.bat file.
2. Remove comments CMOS restore parameters.
3.
Boot the instrument.
4. Re-edit the autoexec.bat file to re-comment the CMOS restore parameters.
If you cannot restore the CMOS memory, replace the battery.
Installing an Authorization Key
If you replace your PPC board or add a new options, you must install a new
authorization key. Install the authorization key using the following procedure:
1. From the oscilloscope menu bar, touch the Utilities menu, select Option
Installation , and then touch Continue .
2. Enter the new key using an attached keyboard.
3. Touch Continue .
Hard Disk Drive Maintenance
Use the same procedures to maintain the oscilloscope hard disk drive that you
use to maintain a hard disk drive in a personal computer.
Using ScanDisk, attempt to fix the disk without destroying data on the disk. To
use ScanDisk, perform the following steps:
1. Remove the hard disk drive from the oscilloscope.
2. Install the hard disk drive into personal computer.