Pioneer a 91 d owners manual

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Opera ting

Instructions

STEREO AMPLIFIER

A-91D

Thank you for buying this Pioneer product.

Please read through these operating instructions so you will know how to operate your model
properly. After you have finished reading the instructions, put them away in a safe place for

future reference.

in some countries or regions, the shape of the power plug and power outlet may sometimes
differ from that shown in the explanatory drawings. However, the method of connecting and

operating the unit is the same.

WARNING: TO PREVENT FIRE OR SHOCK
HAZARD, Do NOT EXPOSE THIS APPLIANCE To RAIN
0R MOISTURE.

IMPORTANT NOTICE

[For U.S. and Canadian models]

The serial number for this equipment is located on the
rear panel. Please write this serial number on your
enclosed warranty card and keep it in a secure area. This
is for your security.

[For Canadian model]

CAUTION: To PREVENT ELECTRIC SHOCK Do
NOT USE THIS (POLARIZED) PLUG WITH AN EXTENSION
CORD, RECEPTACLE OR OTHER OUTLET UNLEss THE
BLADEs cAN BE FULLY INSERTED To PREVENT BLADE
EXPOSURE.

ATTENTION: POUR PREVENIR LES cnocs
ELECTRIQUES EN PAs UTILISER CETTE FICHE
POLARISEE AVEc UN PROLONGATEUR UNE PRISE DE
COURANT 0U UNE AUTRE SORTIE DE COURANT, SAUF
SI LEs LAMES PEUVENT ETRE INSEREES A FOND SANS
EN LAISSER AUCUNE PARTIE A DECOUVERT.

LINE VOLTAGE SELECTOR SWITCH

Only multi-voltage models are provided with this switch.
U.S., Canadian. European, U.K., and Australian models
are not provided with this switch. Mains voltages in Saudi
Arabia are 127V and 220V only. Never use this model with
110V setting in Saudi Arabia.

The line voltage selector switch is on the rear panel, Before your
model is shipped from the factory, this switch is set to the power
requirements of the destination. Check that it is set properly
before plugging the power cord into the AC wall socket. If the
voltage is not properly set or if you move to an area where the
voltage requirements differ, adjust the selector switch as follows.

1. Use a medium-size screwdriver.

2. insert the tip of the screwdriver into the groove on the
voltage selector, and adjust so that the tip of the arrow
points to the voltage level of your area.

220v 240v
nov I20~127V

(U) PIONEER

Thefulureotsomd and vision.

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SAFETY INSTRUCTIONS

READ INSTRUCTIONS - All the safety and
operating instructions should be read before the
appliance is operated.

RETAIN INSTRUCTIONS 7 The operating instruc
tions should be retained for future reference,
HEED WARNING - All warnings on the appliance
and in the operating instructions should be

adhered to.

FOLLOW INSTRUCTIONS - All ODeIatIhg and use
instructions should be followed.

WATER AND MOISTURE- The appliance should
not be used near water 7 tot example, near a
bathtub, Washbowl, kitchen sink, lauhdlv tub, in a
wet basement. or near a swimming pool, etc.

LOCATION - The appliance should be installed in a
stable location.

WALL 0R CEILING MOUNTING 7 The appliance
should not be mounted to a wall or ceiling,
VENTILATION -The appliance should be situated
so that its location or position does not Interlere
with its proper ventilation. For example, the ap-
pliance should not be situated on a bed, sola, mg,
or similar surface that may block the ventilation
openings: or. placed in a built-in installation. such
as a bookcase or cabinet that may impede the

Ilow oI air through the ventilation openings,

HEAT - The appliance should be situated away Irom
heat sources such as radiators, heat registers,
stoves, Or other appliances (including ampliliers)
that produce heat.

POWER SOURCES -Tlle appliance should be
connected to a power supply only at the type
described in the operating instructions or as
marked on the appliance.

POWER-CORD PROTECTION - Power-supply
cards should be routed so that they are not likely
to be walked on or pinched by items placed upon
or against them, paying particular attention to
cards at Plugs, convenience receptacles, and the
point where they eXll from the appliance.

POLARIZATION - li your purchased product is
provided with a polarized power plug, please read
the Iollowing instructions, This product is
equipped with a polarized alternating current line
plug (a plug having one hlade wider than the
other). This plug will lit into the power outlet only
one way. This is a saiety leature, It you are unable
to insen the plug lully into the outlet. try reversing
the plug. lithe plug should still tail to iit, contact
your electrician to replace your obsolete outlet.
Do not deleat the saiety purpose of the polarized
plug.

CLEANING -The appliance should be cleaned only
with a polishing cloth or a soft dry cloth. Never
clean with furniture wax, benzinei insecticides Dr

POWER LlNEs-An outdoor antenna should be
located away irom power lines

NONUSE PERIODS7The power cord or the
appliance should be unplugged Irom the outlet
when left unused lot a long period oI time

OBJECT AND LIQUID ENTRY- Care should be
taken so that objects do not tell and liquids are
not spilled into the enclosure through openings,

DAMAGE REQUIRING SERVICE - The appliance
should be serviced by a Pioneer authorized serr
vice center or oualiiied service personnel when:

0 The power-supply cord or the plug has been
damaged: or

C DbIECIS have lallen, or liquid has been spilled into

the appliance; or

The appliance has been exposed to rain; or

The appliance does not appear to operate flora

mally or exhibits a marked change in oerIor-

mance; 0r

0 The appliance has been dropped; or the enclosure
damaged.

SERVICING 7 The user should not. attempt to
service the appliance beyond that described in the
operating instructions. For all other servtcmg,
contact the nearest Pioneer authorized service
center.

POWER LlNEs

sERVIc E
ENTRANCE
(20 N DucToRs.

OUTDOOR ANTENNA GROUNDING - If an out-

srde antenna is connected to the antenna termi-
nal, be sure the antenna system is grounded so as
to provide some protection against voltage surges
and built up static charges.
In the USA section BIO OI the National Elec-
trlcal Code, ANSI/NFFA NO, 704984. provides
information with respect to proper grounding ol
the mast-and supporting structure. grounding ol
the lead-In wire to an antenna discharge unit, size
or grounding conductors, location oi antenna-
discharge unit, connection to grounding Elena
trodes, and requirements (or the grounding elec-
trode. See Fig. A.

a) Use No, to AWG (5.3 mm2 cops
per, No. a AWG (9.4 mm ) alu-
mlnum, No. t7 AWG (1,0 mm)
cooperclad steel, bronze wire, or
larger as ground wire,

or Secure antenna lead-in and
ground wires to house with
stand-oil insulators spaced Irom
4 feet (1.22 meters) to s iaat
(1 53 meters) apart,

c) Mount antenna discharge unit as

closely as possible to where lead

in enters house.

Use jumper wire not smaller than

No.5 AWG (13.3 mmz) copper,

or the equivalent, when a sepa

rate antenna-grounding electrode
is used

See mac Section bio-zl (i).

STAND-OFF d)
INSULATORS h

ANTENNA

LEADEIN WIRE
TO EXTERNAL ANTENNA

GROUND
GROUND WIRE am
" CLAMPS

SERVICE ENTRANCE
EQUIPMENT

POWER SERVlCE
GROUNDING ELECTRODE srerM
(an. interior metal water pipe)

GROUND
WIRE a,b

GROUND
.-
h~ CLAMPS

V OPTIONALANTENNA
GROUNDING ELECTRODE
DRIVEN s FEET (2AA tn)

TERMINALS OF PRODUCT

ANTENNA
DlscHAth UNIT c

other volatile liquids since they may corrode the 333325 l--- :p'gggcfigw
cabinet. FIG.A LocAL CODES SEE
II Nec sEcrlou Bio-2 til
RISK OF ELECTRIC SHOCK
DO NOT OPEN
The lightning (lash with arrowhead, within an equi- CAUTION: The exclamation point within an equilateral triangle is

lateral triangle, is intended to alert the user of the
presence oi uninsulated "dangerous voltage within
the product's enclosure that may be of sufficient
magnitude to constitute a risk of electric shock to
persons,

TO PREVENT THE RISK OF ELECTRIC SHOCK,
DO NOT REMOVE COVER (OR BACK). NO
USERSERVICEABLE PARTS INSIDE, REFER
SERVICING TO QUALIFIED SERVICE
PERSONNEL.

intended to alert the user at the presence of important
operating and maintenance (servicing) instructions in
the literature accompanying the appliance.

IM PORTANT 2

II the apparatus is iitted with AC mains power out-
let(s), see REAR PANEL FACILITIES for convenient
connection OI additional Hi Fi componenr(s). Make
all connections to the AC outlet(s) and the signal
terminals iirst. Connect the plug to the wall socket
last, make sure that the power switch is off. Discon-
nect the wall plug when the equipment is not in
(regular) use, e.g. when on vacation.

FOR USE IN THE UNITED
KINGDOM

The wires in [his malns lead are coloured in accor-
dance With the {allowing code:

Blue: Neutral

Brown: Live

As the colours of the wires in the mains lead of this
apparatus may not correspond with the coloured
marking identining the terminals in your plug proceed
as follows:

The Wire which is coloured blue must be connected to
the terminal which is marked with the letter N or
coloured black.

The Wire which is coloured brown must be connected
to thetermlnal which is marked with the letter L or
coloured red.

Equipment sold in the UK. is not supplied with
a power plug.

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