TDS5000B Series Se r vi c e Manual
6-- 51
Troubleshooting
WARNING. Before performing this or any other procedure in this manual, read
the General Safe t y Summary and Service Safety Summary found at the
beginning of this manual.
To prevent possible injury to se rv i c e personnel or damage to e l e c t ri c al compo-
nents, please read Preventing ESD on page 6--1.
This section contains information and procedures designed to he l p you isolate
faults to a module.
This section assumes that ser vi c e personnel have the prerequisit e skills requir e d
to work on this oscilloscope, including PC troubleshooting and Windows 2000
skills. Details of PC and Windows 2000 operation and service are not in this
manual.
For assistance, contact your l oc a l Tektronix Service Center.
Service Level
This subsection contains information and procedures designed to help you isolate
faulty modules in the oscilloscope . If a module needs to be replace d, follow the
Removal and Instal l at i on Procedures located in this section.
Check for Common Problems
Use Table 6--4 to quickly isolate possible failur e s. The table lists problems and
possible causes. T he list is not exhaustive, but it may help you eliminate a
problem that is quick to fix, such as a blown fuse or loose cable.
Table 6 -- 4: Failure symptoms and possible causes
Symptom Possible cause(s)
Oscilloscope will not power on
! Power cord not plugged in
! Faulty power supply
Front panel light comes on
(oscilloscope powers on), but
one or more fans will not
operate
! Faulty fan cable
! Defective fan assembly
! Faulty power supply
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