Eico 950B - Support Information; Notes; Service Information

Fig.9
NOTES
If
the
instrument
tails
to
operate
properly,
recheck
the
wiring
for
errors
or
reversed
connections,
test
for
continuity,
and
check
individual
components
for
breakdown.
Check
all
de
andac
operating
voltages
given
in
the
schematic
diagram
keep-
Ing
mind
that
all
voltages
may
vary
from
the
values
shown
by
as
much
as
20%
due
to
component
tolerance,
line
voltage
-varlations,
and
the
type
of
measuring
instrument
used
(schematic
voltages
were
measured
with
VIVM).
In
addition,
make
the
following
checks:
RANGE
switch
wiring;
panel
binding
post
mounting
for
possible
shorting
through
Incorrectly
mounted
shoulder
and
fiber
washers;
polarity
of
electrolytic
capacitors
in
power
supply
as
compared
to
polarities
indicated
in
the
schematic
diagram.
SERVICE
If
you
are
still
having
difficulty,
write
to
our
service
department
listing
all
possible
indications
that
might
be
helpful.
if
desired,
you
may
return
the
instrument
to
our
factory
where
it
will
be
placed
in
operating
condition
for
$3.50
plus
the
cos?
of
parts
replaced
due
to
their
being
damaged
in
the
course
of
construction.
This
service
policy
applies
only
to
completed
Instruments
constructed
in
accordance
with
the
instructions
as
stated
in
the
manual.
Instruments
that
are
not
completed
or
Instruments
that
are
modified
will
not
be
accepted
for
repair.
Instruments
that
show
evidence
of
acid
core
solder
or
paste
fluxes
will
be
returned
not repaired.
NOTE:
Before
returning
this
unit,
be
sure
all
parts
are
securely
mounted.
Attach
a
tag to
the instrument,
giving
your
home
address
and
the
trouble
with
the
unit.
Pack
very
carefully
in
a
rugged
container,
preferably
wood,
using
sufficient
packing
material
(cotton,
shredded
newspaper,
or
excelsior),
to
make
the
unit
completely
immovable
within
the
container.
~The
original
shipping
carton
is
satisfactory,
providing
the
original
inserts
are
used
or
suf~
ficient
packing
material
is
Inserted
to
keep
the instrument
immovable.
Ship
by
prepaid
Railway
Express,
if
possible,
to
the
Electronic
Instrument
Co.,
Inc.
, 84
Withers
Street,
Brooklyn
11,
New
York.
Return
shipment
will
be
made
by
express
collect.
Note
that
a carrier
cannot
be
held
liable
for
damages
In
transit
if
packing,
IN
HIS
OPINION,
is
insufficient.
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