Pioneer PD-41 Servis Kılavuzu - Sayfa 2
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This service manual
is intended for qualified service technicians;
it is not
meant for the casual do-it-yourselfer. Qualified technicians have the neces-
sary test equipment and tools, and have been trained to properly and safely
repair complex products such as those covered by this manual.
WARNING
(California Health & Safety Code, Section 25249.5).
When servicing or handling circuit boards and other components which contain lead in
solder, avoid unprotected skin contact with the solder. Also, when soldering do not inhale
any smoke or fumes produced.
1. SAFETY INFORMATION
(FOR USA MODEL ONLY)
1.SAFETY PRECAUTIONS
The following check should be performed for the
continued
protection
of the customer
and service
technician.
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 appliance (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.
A
Reading should
Ceakage | Not be above
current | 0-5mA
Device
under
test
Test ail
exposed metal
surfaces
2-wire cord
Also test with
plug reversed
(Using AC adapter
ground
plug as required)
©
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 appli-
ance have special safety related characteristics. These
are often not evident from visual inspection nor the
protection afforded by them necessarily can be ob-
tained by using replacement components rated for vol-
tage, wattage,
etc. Replacement
parts which have
these special safety characteristics are identified in
this Service Manual.
Electrical components
having such features
are
identified by marking with a A 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 ad-
ditional copies of, PIONEER Service Manual may be
obtained at a nominal charge from PIONEER.
AC Leakage Test
;