Filter
Top Products
Troubleshooting
60
P6249 4 GHz 5X Active Probe Instruction Manual
Refer to Table 8 for troubleshooting procedures, and Figure 22 for
troubleshooting test points.
–5
(White)
Offset
(Blue)
Ground
(Black)
Data
–5
Offset
Clock
+5
Offset range
adjust
Offset zero
adjust
J1
J4
+5
(Red)
Figure 22: Compensation box test point locations
Table 8: Troubleshooting guide
Symptom
Checks Result Action
No Signal Out Check known signal
Go to Probe Power
No signal.
Probe power OK.
Continue checks
Replace probe.
Distorted or
nonlinear signal
Is the instrument set
to 50 W termination?
No Set termination to
50 W, or install a
feedthrough
termination at the
instrument input.
Yes Continue