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Foreword
Model 5245L
TIANUAT CONTENT
This is
a
Service
Manual
only.
Operating instructions
are
outlined
in a
separate Operating
Manual. This Ser-
vice
Manual
is
supplied
to
help you make best
use of
your
@
Vtodet 5245L
Electronic Counter.
Seven
sections
of information are included as follows:
Section
I is
an
introduction
to
the
counter. This in-
cludes
a
table of technical specifications.
Section
II
discusses
detailed theory
for
the circuits
used.
Section
III
outlines
a
performance check procedure
to
verify
operation.
Section
tV
lists
parts for the
counter.
SectionV
covers available
options
and
manual changes
required to backdate this manual.
Section
VI
contains adjustment and troubleshooting
procedures
which include a self
check.
Section
VII
is the circuit
diagrams
for
the counter.
These include
block diagrams, schematic diagrams,
and
some
waveforms
and
voltages.
)
\-/
HOW TO
ORDER
To order anOperating or Service Manual
for yourElec-
tronic
Counter, contact
the
nearest
Hewlett-Packard
Sales
and
Service
Office. Lists are
provided at theback
of this manual.
Give complete
8-digit serial
number
and
name
of
instrument.
Comments
and
suggestions
concerning
this
manual
are
welcome
at
any Sales
and
Service Office.
-!
I
1
l
02
349
-1
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