1502C MTDR Service Manual
7–1
Maintenance
Introduction
This chapter contains information on preventive and corrective maintenance,
troubleshooting, panel control assembly procedures, and shipping instructions.
Please refer to schematics for physical location of circuits and components.
NOTE. We recommend that service be performed at an authorized Tektronix Service
Center or by a technician skilled in sampling and pulse techniques.
This is a list of common tools needed to accomplish all the maintenance procedures
that follow:
5/16” hex nut driver Phillips-head screwdriver
11/32” hex nut driver Straight-blade screwdriver
1/16” hex wrench Torque driver
5/16” open-end wrench Soldering and desoldering tools
7/16” open-end wrench
Cotton swabs, non-woven wipes
1/2” open-end wrench Isopropyl alcohol, LocTite
R
, etc.
Preventive Maintenance
Preventive maintenance includes cleaning, visual inspection, and lubrication. A
convenient time to perform preventive maintenance is during the periodic
performance check/calibration procedure. If the instrument has been subjected to
extreme environments or harsh handling, more frequent maintenance might be
necessary.
CAUTION. Do not use chemical agents that contain benzene, toluene, xylene,
acetone, etc., because of possible damage to plastics in the instrument.
The exterior case and front panel should be washed gently with mild soap and water.
The faceplate in front of the LCD should be cleaned gently with Kendall Webril
non-woven wipes (Tek P/N 006–0164–00), or equivalent, moistened with isopropyl
alcohol.
Equipment Required
Cleaning
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