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AMSTRAD TS80 - Required Test Equipment; Test Procedure

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SAFETY
TEST
PROCEDURE
These
tests
should
be
applied
to
the
set
after
any
work
is
carried
out.
These
tests
must
be
done
to
the
set
before
the
six
screw
blanking
plates
are
fitted
to
the
cabinet.
REQUIRED
TEST
EQUIPMENT
1.
Flash
Test
Generator
capable
of
testing
at
2.2kV
AC.
2.
Megger
tester
rated
at
500V
DC.
3.
Instrument
capable
of
testing
resistance
down
to
0.10hm
at
10amps.
TEST
PROCEDURE
1,
Stand
on
bench
clear
of
all
metal
objects.
No
leads
should
be
connected
to
the
unit.
Ensure
that
the
on/off
switch
is
in
the
ON
position.
2.
Set
Flash
test
generator
to
2.2kV
AC.
Connect
1
pole
to
the
live
and
neutral
mains
lead
connected
together
and
flash
test
the
following
points:
a)
The
headphone
socket
ring.
b)
The
rings
of
both
microphone
sockets.
C)
The
record
deck
transit
screw.
d)
All
control
Knobs
and
buttons.
e)
The
underneath
of
the
front
panel,
below
the
RECORD
LEVEL
knob.
f)
The
back
panel.
a:
Connect
the
megger
tester
to
the
live
and
neutral
mains
lead
connected
together
and
megger
test
the
following
points:
a)
The
headphone
socket
ring.
b)
The
rings
of
both
microphone
sockets.
Cc)
The
record
deck
transit
screw.
d)
All
control
Knobs
and
buttons.
e)
The
underneath
of
the
front
panel,
below
the
RECORD
LEVEL
knob.
f)
The
back
panel.
4.
Check
that
the
earth
lead
continuity
is
below
0.5
ohms
at
10amps
between
the
mains
earth
lead
core
and
the
record
deck
transit
screw.
CAUTION:
High
voltages
may
be
present
on
a
faulty
set
and
care
should
be
taken
to
avoid
electric
shocks.
Certain
components
within
this
set
are
specific
safety
items
and
must
be
replaced
with
similar
items
which
comply
to
the
same
safety
specification.
All
such
parts
may
be
obtained
direct
from
AMSTRAD
CONSUMER
ELECRONICS
PLC

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