Tektronix DSA8200 Service Manual page 140

Troubleshooting
4- - 82
Table 4- - 4: Failure symptoms and possible causes (cont.)
Symptom
Flat LCD panel display blank
Front panel LEDs do not light.
Hard disk drive related
symptoms
CD-RW/DVD related symp-
toms
DSA8200 Digital Serial Analyzer and Modules Service Manual
Possible cause(s)
External monitor plugged in but not powered on.
External monitor plugged in (look on external monitor for
display).
Connect an external monitor cable to the SCOPE VGA OUT
rear panel connector. If monitor has a display, replace the
LCD panel assembly.
Connect an external monitor cable to the SVGA OUT rear
panel connector, if monitor has a display the BIOS may
need to be setup.
If the BIOS is OK then, replace the Power PC circuit board
assembly.
Connect an external monitor cable to the SVGA OUT rear
panel connector. If the monitor has no display, replace the
ATX circuit board assembly.
If the monitor has no display when connected to the SVGA
OUT rear panel connector, replace the ATX circuit board
assembly.
Defective cable from front panel board to bridge board.
Defective cable from Power PC board to front panel board.
Replace the front panel board.
Defective hard disk drive.
Incorrect hard disk type selected in the BIOS setup.
Replaceable hard disk drive not installed.
Power supply failure.
Corrupted controller BIOS module firmware, reinstall
firmware.
Controller BIOS setup problem. See BIOS Settings.
Replaceable hard disk drive or optionally field installed fixed
hard disk drive not configured as bootable (slave) master
hard disk drive.
Faulty benchtop controller.
Defective CD-RW/DVD.
Defective CD-RW/DVD drive cable.
Defective CD-RW/DVD board.
Incorrect CD-RW/DVD configuration in the BIOS setup.