Denon AVR-686 Operations Instructions download pdf (Page 8)

Easy Setup and Operation

• Basic system layout

Tile following is an example of the basic layout fer a system censisting ef eight speaker systems

and a televisien meniter:

Center speaker system

Surround back speaker systems

r

Front speaker systems

Set these at the sides ef the TV

er screen with their front surfaces

as flush with the front of the

screen as possible.

Surround speaker systems

Easy Setup and Operation

o Cennect the speaker terminals with the

speakers making sure that like pelarities are

matched (@ with @, _ with _). Mismatching

ef polarities will result in weak central sound,

unclear orientation of the varieus instruments,

and the stereo image being impaired.

"When making connections, take care that

none of the individual conductors of the speaker

cable come in contact with adjacent terminals,

with other speaker cable conductors, er with

the rear panel.

NOTE:

NEVER touch the speaker terminals

when the power is on. Doing so could

result in electric shocks,

• Speakerimpedance

,'When speaker systems A and B are used

separately, speakers with an impedance of 6

te 16 _2/ohms can be connected for use as

front speakers.

• Be careful when using twe pairs of frent

speakers (A + B) at the same time, since

speakers with an impedance of 12 te 16

_2/ohms in this case must be used.

• Speakers with an impedance ef 6 to 16

_/ohms can be connected for use as center

and surround and surround back speakers.

• The pretector circuit may be activated if the

unit is operated for leng perieds of time at

high velumes when speakers with an

impedance lower than the specified

impedance are connected.

The pretecter circuit may be activated if the

unit is operated for long periods ef time at

high velumes when speakers with an

impedance lower than the specified

impedance (for example speakers with an

impedance ef less than 4 _2/ehms) are

connected. If the pretecter circuit is

activated, the speaker output is cut off. Turn

eff the unit's power, wait fer the unit te cool

down, improve the ventilation areund the

unit, then turn the power back en.

1. Loosen by turning

ceuntercleckwise.

H

2. Insert the cable.

3. Tighten by turning __

cleckwise.

Banana plug

TgrhltCln°t kh:irs:1_: rt <_:_

the banana plug.

This uni_ is equipped wi_h a high-speed

pretection circuit. The purpose of this circuit

is to pretect the speakers under circumstances

such as when the output of the power

amplifier is inadvertently short-circuited and

a large current flews, when the temperature

surrounding the unit becomes unusually

high, er when the unit is used at high eutput

ever a leng peried which results in an

extreme temperature rise.

When the pretectien circuit is activated, the

speaker output is cut off and the power

supply indicater flashes. Should this eccur,

please fellew these steps: be sure to switch

off the power of this unit, check whether

there are any faults with the wiring of the

speaker cables or input cables, and wait for

the unit to cool down if it is very het.

Improve the ventilation condition around the

unit and switch the power back en.

If the protection circuit is activated again

even though there are no problems with the

wiring or the ventilation areund the unit,

switch off the power and contact a DENON

service center.

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