Tektronix TEKFAX ADA400A, Инструкция по эксплуатации

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Maintenance
58
ADA400A Differential Preamplifier
Troubleshooting
Table 24 lists symptoms of electrical faults, possible causes, and corrective
actions.
Table 24: Electrical Faults
Symptom Possible Cause Corrective Action(s)
No power Damage to TEKPROBE interface connec-
tions. Check interface pins and cable
assembly wires for damage. Replace interface pin(s)
Replace or repair cable assembly
No output signal on connector end of cable
assembly or output too high or low Blown input fuse
Damage to output cable
Check and replace fuse(s)
Repair or replace cable assembly
Intermittent or difficult positioning Defective position controls Replace position control(s)
No signal output to cable assembly —
interface power is present and fuses are
not blown Faulty module Send unit to service center for exchange or
replacement.
Repackaging Instructions
If the original packaging is unfit for use or not available, use the following
packaging guidelines:
1. Use a corrugated cardboard shipping carton having inside dimensions at least
one inch greater than the probe dimensions. The box should have a carton
test strength of at least 200 pounds.
2. Put the probe into a plastic bag or wrap to protect it from dampness.
3. Place the probe into the box and stabilize it with light packing material.
4. Seal the carton with shipping tape.