Tektronix P6245 Manuel D'utilisation page 201

Table 4- 2: Troubleshooting Guide (Cont.)
Symptom
No Offset Adjust
(Signal present)
Probe Power
P6245 Instruction Manual
Checks
Go to Probe Power
Check variation of
offset input from host
instrument. See
Figure 4--9. Signal
should vary between
+1 V and --1 V.
Check the power
test points in the
compensation box.
See Figure 4--9.
Result
Probe power OK
Offset input OK
Offset input bad
Power OK
Power bad
Troubleshooting
Action
Continue checks
Turn in probe.
Check TEKPROBE
interface pins on the
compensation box.
See page 4--13.
Check TEKPROBE
interface on host
instrument. (Try an
adjacent channel.)
Repair host
instrument
Continue checks.
Check TEKPROBE
interface pins on the
compensation box.
See page 4--13.
Check TEKPROBE
interface on host
instrument. (Try an
adjacent channel.)
Repair host
instrument
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