Maintenance; Introduction; Service Information - Fluke 8050A Instruction Manual

Section
laintenano
WARNING
4-1.
INTRODUCTION
4-2. This section of the
manual
contains
maintenance
information
for the
8050A. This includes
access
procedures, disassembly
and
replacement procedures,
performance
tests, calibration
adjustments, and
troubleshooting procedures.
The
performance
tests
are
recommended
as
an
acceptance
test
when
the instrument
is first
received.
The
performance
tests
can
also be used
as
part of a
routine preventive
maintenance
schedule.
4-3.
A
one-year
calibration cycle
is
recommended
to
maintain
specifications
given
in Section
1
of
this manual.
The
test
equipment
required for
the performance
tests or
calibration
adjustments
is listed in
Table
4-1.
Test
equipment
with equivalent
specifications
may
be
substituted for the
recommended
model.
4-4.
SERVICE
INFORMATION
4-5.
The 8050A
is
warranted
for
a period of
one
year
upon
shipment
to the
original purchaser.
Conditions
of
the warranty
are
given
at the front
of
this
manual.
Malfunctions
that
occur
within
the
limitation of
the
warranty
will
be corrected
at
no
cost to the purchaser.
For
in-warranty
repair,
call (toll-free)
800-426-0361
for the
address of
the nearest Fluke
Technical Service Center.
In
Alaska, Hawaii,
Washington,
or Canada
call 206-356-
5400
(toll-call).
Ship
the
instrument postpaid
in the
original container.
If
the original
container
is
not
available, pack
the instrument
in
a
sturdy carton with
at
least three inches of
non-settling padding on
all sides.
Dated
proof-of-purchase may
be
required for
in-
warranty
repairs.
4-6. Fluke Technical
Service Centers are
also available
for calibration
and/or
repair of instruments
that are
beyond
the
warranty
period. Call the number
listed
above
for
shipping
instructions.
Ship
the
instrument and
remittance
in accordance
with
the instructions received.
4-1
0.
The
instrument has
two pcb
assemblies; the Main
PCB
Assembly and
the Display
PCB
assembly.
To
gain
access to the calibration
adjustments, the
backup
fuse, or
the
ac
line transformer, only
the case
needs
to be removed.
Some
troubleshooting
can
also be accomplished with
only the
case
removed. Other
troubleshooting procedures
may
require the
removal
of the Display
PCB
assembly.
CAUTION
To
avoid contaminating the
pcb
assemblies
with
oil
from
the
fingers, handle
the
assemblies by
the
edges
or
wear
gloves.
If
an
assembly does
become
contaminated,
referto
the information
on
cleaning pcb's given
later
In this section.
4-1