Pioneer DC-221Z Service Manual - Page 47

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14. SAFETY
INFORMATION
1. SAFETY
PRECAUTIONS
The
following
check
should
be
performed
for
the
continued
protection
of the customer
and
service tech-
nician.
LEAKAGE
CURRENT
CHECK
Measure
leakage
current
to
a known
earth
ground
(water pipe, conduit, etc.) by connecting a leakage current
tester such as Simpson Model 229-2 or equivalent between
the earth ground and all exposed metal parts of the appii-
ance
(input/output terminals, screwheads,
metal overlays,
control shaft, etc.). Plug the AC line cord of the appliance
directly into
a 120V
AC
60Hz
outlet
and turn
the AC
power
switch on. Any current measured must not exceed
0.5mA.
Leakage
current
tester
Reading should
not be above
0.5mA
Test all
exposed metal
surfaces
2-wire cord
O
Also test with
}
plug reversed
Earth
(Using AC adapter
"ground
plug as required)
AC
Leakage Test
DC-2212/2202/HE,HB,S,YP
ANY
MEASUREMENTS
NOT
WITHIN
THE
LIMITS
OUTLINED
ABOVE
ARE
INDICATIVE
OF
A
PO-
TENTIAL
SHOCK
HAZARD
AND
MUST
BE
COR-
RECTED
BEFORE
RETURNING
THE
APPLIANCE
TO THE
CUSTOMER.
2. PRODUCT
SAFETY
NOTICE
Many
electrical
and mechanical
parts in the appliance
have special safety related characteristics. These are often
not
evident
from
visual
inspection
nor
the
protection
afforded
by them
necessarily
can
be obtained
by using
replacement
components
rated
for voltage,
wattage,
etc.
Replacement
parts which
have these special safety charac-
teristics are identified in this Service Manual.
Electrical components having such features are identified
by marking with aA on the schematics and on the parts
list in this Service Manual.
The
use
of a substitute
replacement
component
which
dose
not
have
the
same
safety
characteristics
as the
PIONEER
recommended
replacement
one,
shown
in the
parts list in this Service
Manual,
may create shock, fire,
or other hazards.
Product
Safety
is continuously
under review and new
instructions
are
issued
from time to time. For the latest
information,
always consult the current PIONEER
Service
Manual. A subscription to, or additional copies of, PIONEER
Service Manual may be obtained at a nominal charge from
PIONEER.
Line voltage selection for HE,YP and HB Types
1.
Disconnect the AC power cord.
2.
Remove the bonnet case.
3.
Change the connection
of the power transformer
primary lead wire as follows:
220V:
Disconnect
the terminal
no.2 on the fuse
holder assembly to the terminal no.8 of the
power transformer, and connect the terminal
no.2
on
the fuse holder
assembly
to the
terminal no.6 of the power transformer.
240V:
Disconnect
the terminal
no.2 on the fuse
holder assembly to the terminal no.6 of the
power transformer, and connect the terminal
no.2
on
the fuse holder
assembly
to the
terminal no.8 of the power transformer.
4.
Stick the line voltage label on the rear panel.
Description
Part No.
220V label
AAX-193
240V label
AAX-192
59