Pioneer A-20-K: Contents

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Operating Environment

Thank you for buying this Pioneer

This product is for general household purposes. Any

Operating environment temperature and humidity:

product.

failure due to use for other than household purposes

+5 °C to +35 °C (+41 °F to +95 °F); less than 85 %RH

Please read through these operating instructions so that

(such as long-term use for business purposes in a

you will know how to operate your model properly. After

(cooling vents not blocked)

restaurant or use in a car or ship) and which requires

you have finished reading the instructions, put them in a

Do not install this unit in a poorly ventilated area, or in

repair will be charged for even during the warranty

safe place for future reference.

locations exposed to high humidity or direct sunlight (or

period.

strong artificial light)

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Contents

If the AC plug of this unit does not match the AC

POWER-CORD CAUTION

Handle the power cord by the plug. Do not pull out the

01 Before you start

outlet you want to use, the plug must be removed

What’s in the box. . . . . . . . . . . . . . . . . . . . . . . . . .4

and appropriate one fitted. Replacement and

plug by tugging the cord and never touch the power

mounting of an AC plug on the power supply cord of

cord when your hands are wet as this could cause a

Loading the batteries in the remote control

(Except A-10) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

this unit should be performed only by qualified

short circuit or electric shock. Do not place the unit, a

Using the remote control. . . . . . . . . . . . . . . . . . . . .4

service personnel. If connected to an AC outlet, the

piece of furniture, etc., on the power cord, or pinch the

Installing the amplifier. . . . . . . . . . . . . . . . . . . . . . 4

cut-off plug can cause severe electrical shock. Make

cord. Never make a knot in the cord or tie it with other

02 Connecting up

sure it is properly disposed of after removal.

cords. The power cords should be routed such that they

Making cable connections. . . . . . . . . . . . . . . . . . .5

The equipment should be disconnected by removing

are not likely to be stepped on. A damaged power cord

About “Bi-wiring” . . . . . . . . . . . . . . . . . . . . . . . . . .5

the mains plug from the wall socket when left unused

can cause a fire or give you an electrical shock. Check

Connecting speaker cables . . . . . . . . . . . . . . . . . .6

for a long period of time (for example, when on

the power cord once in a while. When you find it

Connecting audio cables . . . . . . . . . . . . . . . . . . . .6

vacation).

damaged, ask your nearest PIONEER authorized

Using centralized control with other Pioneer

D3-4-2-2-1a_A1_En

service center or your dealer for a replacement.

components (Except A-10) . . . . . . . . . . . . . . . . . . . 6

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Plugging in . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

03 Controls and displays

CAUTION

(A-30 only)

Front panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

The /I STANDBY/ON switch on this unit will not

CAUTION:

Rear panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

completely shut off all power from the AC outlet.

HOT SURFACE. DO NOT TOUCH.

Remote control (Except A-10) . . . . . . . . . . . . . . . .9

Since the power cord serves as the main disconnect

The top surface over the internal

04 Operation

device for the unit, you will need to unplug it from the

heatsink may become hot when

AC outlet to shut down all power. Therefore, make

Playback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

operating this product continuously.

Set the power to Standby. . . . . . . . . . . . . . . . . . . .10

sure the unit has been installed so that the power

When using the unit as a power amplifier

cord can be easily unplugged from the AC outlet in

(A-30 only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

case of an accident. To avoid fire hazard, the power

Making an audio recording . . . . . . . . . . . . . . . . .11

cord should also be unplugged from the AC outlet

To set for automatic standby status

when left unused for a long period of time (for

(Auto Power Down) . . . . . . . . . . . . . . . . . . . . . . .11

Restoring all the settings to the factory default

example, when on vacation).

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settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

05 Additional information

Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . .12

Cleaning the unit . . . . . . . . . . . . . . . . . . . . . . . . .12

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

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