Keysight N2800A User Manual page 50

3
Maintaining Probe Heads
Replacing Axial Resistor Tips
The procedure in this sections shows you how to replace the 130 ohm axial resistors that
are located at the tip of the
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The pictures in the following procedure show the N2836A solder-in probe head, but the same
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procedure applies to the N2838A ZIF tip.
Recommended Equipment
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As the probe heads and tips are easily damaged, only experienced soldering technicians
CAUTION
Procedure
1 As shown in
hold the probe head or ZIF tip away from the vise. When using tweezers, grip the tip either
on the sides or top and bottom.
When tightening the vise, use light force to avoid damaging the solder-in probe head.
CAUTION
50
N2836A solder-in probe head and
N2838A ZIF tip.
These resistors can become worn or damaged with use. Order the replacement axial
resistor kit (N2836-68701) which provides 10 resistors.
Vise or clamp for holding tip.
Metcal STTC-022 (600 °C) or STTC-122(700 °C) tip soldering iron or equivalent. The
600 °C tip will help limit burning of the FR4 tip PC board.
0.381 mm (0.015 in) diameter RMA flux standard tin/lead solder wire.
Fine stainless steel tweezers.
Rosin flux pencil, RMA type (Kester #186 or equivalent).
Diagonal cutters.
Magnifier or low power microscope.
Ruler.
should attempt this repair.
Figure 49, clamp the probe head or ZIF tip in a vise. Tweezers can be used to
InfiniiMax III Series Probes User's Guide