Tektronix 071-1844-00 Maintenance, Figure4 -5: Module isolation troubleshooting procedure, DPO4000 Series Service Manual 4-15

Maintenance
DPO4000 Series Service Manual 4-15
¯PushUTILITY.
¯PushSystem to select
SelfTest.
¯PushOK Run Self Test.
¯Determinefailure from
SelfTest Results.
¯Usetable to select module to
replace.
Fromthe oscilloscope
power-updiagnostics
messagedisplay.
Oscilloscopeis operating OK.
Does
thepower-up
screenreport any
errors?
Yes
No
FailedTest MostLikely Cause
Acquisition
CPU
Display
FrontPanel
I/O
ROM
AppModules
Mainboard
Mainboard
Mainboard
FrontPanel (or Main board)
Commmodule (or Main board)
Mainboard
FrontPanel (or App Keys)
Figure4 -5: Module isolation troubleshooting procedure