Tektronix TLA 714, Руководство по обслуживанию, Страница: 100 / 159

TLA 714 Color Portable Mainframe Service Manual
4–53
Troubleshooting
WARNING.
Before performing this or any other procedure in this manual, read
the General Safety Summary and Service Safety Summary found at the
beginning of this manual.
To prevent possible injury to service personnel or damage to electrical compo-
nents, please read Preventing ESD on page 4–1.
This section contains information and procedures designed to help you isolate
faults to within the portable mainframe. The process is as follows:
H
Do Check for Common Problems on page 4–54 to eliminate easy-to-find
problems first.
H
Do Eliminate Other Problem Sources on page 4–56 to eliminate the probes
and DSO or Logic Analyzer modules as the fault source next.
H
Do Troubleshoot the Portable Mainframe, beginning on page 4–56, to locate
the failed replaceable part within the mainframe.
For assistance, contact your local Tektronix Service Center.
Service Level
This section supports isolation of faults within the portable mainframe to the
replaceable-part level shown in Chapter 10. In most cases, faults are isolated to
circuit boards or assemblies, but not to individual components on those boards.
See Strategy for Servicing on page xiii.