Sony TA-E1000ESD - Safety Check-out and Warnings; AC Leakage Test Procedure; Model Identification and Safety Warnings

SAFETY
CHECK.OUT
After
correcting
the
original
service
problem,
perform the
following
safety
check
before
releasing
the set
to
the
customer:
Check
the
antenna
terminals,
metal
trim,
"metallized"
knobs,
screws,
and
all
other
exposed
metal
parts for
AC
leakage.
Check
leakage
as
described
below.
LEAKAGE
TEST
The
AC
leakage
from
any
exposed
metal
part
to
earth
ground
and
from
all
exposed
metal
parts
to
any
exposed
metal
part
having
a
return
to
chassis,
must
not
exceed 0.5
mA
(500
microampers).
Leakage
current
can
be
measured
by
any
one
of
three
methods.
I .
A
commercial
leakage
tester,
such
as
the
Simpson
229
or RCA
WT-540A.
Follow
the
manufacturers'
instructions
to
use
these
instru-
ments.
2.
A battery-operated
AC
milliammeter'
The
Data
Precision
245
digital
multimeter
is
suitable
for
this
job.
3.
Measuring
the
voltage
drop
across
a
resistor
by
means
of
a
VOM
or battery-operated
AC
volt-
meter.
The
"limit"
indication
is
0'75V'
so
analog
meters
must
have
an
accurate
low-
voltage
scale.
The
Simpson
250
and
Sanwa
SH-63Trd
are
examples
of
a
passive
VOM
that
is
suitable.
Nearly
all battery
operated
digital
multimeters
that
have
a
2
V
AC
range
are
suitable.
(See
Fig. A)
TA-ElOOOESD
MODEL
IDENTIFICATION
-specification
Label-
UK
Model:
AC:
240V
-
50/60H2
E
Model:
AC:
r2Ol220/240V-50l60H2
SAFETY.RELATED
COMPONENT
WARNINGI
I
CoMPONENTS
IDENTIFIED
BY
MARK
I
On
OOrreo
L|NE
W]TH
MARK
a
ON
THE SCHEMATIC
DIAGRAMS
AND
IN THE
PARTS LIST
ARE CRITICAL
TO SAFE
OPERATION.
REPLACE
THESE COMPONENTS
WITH
SONY
PARTS
WHOSE
PART
NUMBERS
APPEAR
AS
SHOWN
IN
THIS
MANUAL
OR
IN SUPPLEMENTS
PUB-
LISHED
BY
SONY.
ATTENTION
AU COMPOSANT
AYANT
RAPPORT
À
le sÉcuntrÉt
LES COMPOSANTS
IDENTIFIÉS
PAR
UNE
MAROUE
a
SUR
LES DIAGRAMMES
SCHÉMATIOUES
ET LA
LISTE
ôes
prÈces
soNr
cRtrtouEs
PouR LA sÉcuRlrÉ
DE
FONCTIONNEMENT.
NE
REMPLACER
CES
COM'
POSANTS
OUE
PAR
DES
PIÈCES
SONY
DONT
LES
NUMÉROS
SONT
DONNÉS
OAruS
CE
MANUEL
OU
DANS
LES
SUPPLÉMENTS
PUBLIÉS
PAR SONY'
SONY"
MoDEL
No.
rA'EroooEsD
--
DTGITAL
PROCESSING
CONTROL.AMPLIFIER
US, Canadian
Model:
AC:
120V 60Hz
35W
AEP,
West
Germany
(WG)
Model
AC:.
22OY
-
50l60Hz
To
Exposed
Metal
Parts
on
Set
0.1
5
pF
AC
voltmeter
p.75v)
Fig.
A.
lJsing
an AC
voltmeter
to
check
AC
leakage'