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PD-S904, PD-S904-G
1.
SAFETY INFORMATION
This
service
manual
is intended
for qualified
service
technicians;
It is not
meant
for the
casual
do-it-yourselfer.
Qualified technicians
have the necessary test equipment
and tools, and have been
trained to properly and safely repair complex products such as those covered by this manual.
Improperly performed repairs can adversely affect the safety and reliability of the product and may void
the warranty. If you are not qualified to perform the repair of this product properly and safely, you should
not risk trying to do so and refer the repair to a qualified service technician.
WARNING
NOTICE
(FOR CANADIAN MODEL ONLY)
Fuse symbols
-§—#
(fast operating fuse) and/or
-§&=# (slow operating fuse) on PCB indicate that replacement parts
must be of identical designation.
REMARQUE
(POUR MODELE CANADIEN SEULEMENT)
Les symboles de fusible -E—B
(fusible de type rapide) eVou
-$E=8 (fusible de type lent) sur CCI indiquent que les
piaces de remplacement doivent avoir la méme désignation.
(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
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.
Reading should
Leakage | NOt be above
0.5mA
current
tester
Device
under
test
Test all
exposed metal
surfaces
Also test with
plug reversed
(Using AC adapter
plug as required)
Earth
ground
AC Leakage Test
equivalent between the earth ground and all exposed.
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.