Figure 6- -9: Oscilloscope Troubleshooting Tree (1 - Tektronix TPS2000 Series Service Manual

Put scope or
frequency counter
on probe comp
No
1 kHz?
Yes
Verify LCD
connector and
cable values
Yes
Good Replace display
voltages? or display cable
No
Replace
Acquisition board
Figure 6- - 9: Oscilloscope troubleshooting tree (1 of 4)
TPS2000 Series Digital Storage Oscilloscopes Service Manual
Turn on power
Does screen
lighten?
See
No
boot up
screen?
Errors?
Replace
Acquisition
board
Front panel
problems?
Run probe check
on each channel
Probe
check ok?
Connect
external trigger
to probe comp
Set trigger
source to EXT
Press set 50%
No
Yes
Yes
Yes
No
Yes
No
Replace
No
Acquisition
board
Yes
Trigger
indicator ON?
Yes
Good scope
A
From Figure 6--11
To Figure 6--11
B
To Figure 6--10
To Figure 6--10
No
Replace
Acquisition
board
Maintenance
C
D
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