Troubleshooting
+5
Ground
(Red)
(Black)
Figure 4- 9: Compensation Box Test Point Locations
Refer to Table 4- - 2 for troubleshooting proceedures, and Figure 4- - 9
for troubleshooting test points.
Table 4- 2: Troubleshooting Guide
Symptom
No Signal Out
Distorted or
nonlinear signal
Distorted or
nonlinear signal
4- 20
- - 5
Offset
(White)
(Blue)
Checks
Check known signal
Go to Probe Power
Instrument set to
50Ω termination?
Signal within linear
dynamic range? See
page 2--1.
Result
No signal.
Probe power OK.
No
Yes
No
P6245 Instruction Manual
Offset
- - 5
Data
Clock
+5
Action
Continue checks
Turn in probe.
Set termination to
50Ω, or install a
feedthrough
termination at the
instrument input.
Continue
Set channel's vertical
offset to match signal
characteristic.