Bedienungsanleitung Denon AVR-990 (Seite 15 von 108) (Englisch)

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Getting Started Settings Playback Remote ControlZONE2 Information Troubleshooting Speciﬁcations

ENGLISH

Connecting the Speaker

Cables

Protection Circuit

If the core wires touch the rear panel and the

screws etc., or the ± sides touch each other, the

protection circuit will be activated and the power

indicator will ﬂash red at intervals of 0.5 secs.

If the protection circuit is activated, the speaker

output is isolated, and the power supply goes to

the standby state. If the power supply is turned off,

after the power supply cord is withdrawn, please

conﬁrm that speaker cable and input cable are

connected.

Also, if replaying large sound levels by using

a speaker having an impedance less than that

speciﬁed (eg, 4 Ω/ohms), the temperature will rise,

and the protection circuit might be activated. The

power supply will go into the standby state, and the

power indicator will ﬂash red at 2 second intervals.

In this case, please switch off the power supply,

and wait until the AVR-990 has cooled down, and

the surrounding ventilation is good.

Even if there are no problems with the surrounding

ventilation and connections, in the event of the

protection circuit becoming activated, due to

thinking that the AVR-990 has failed, please contact

DENON Service center after switching off.

w q

w qw q

w q

(R)

(L) (R)

w q w q

(L) (R) (L)

Subwoofer

Center

speaker

Front

speakers B

Front

speakers A

Surround

speakers

Subwoofer

with built-in

ampliﬁer

NOTE

Connect so that the speaker cable core wires

do not protrude from the speaker terminal. The

protection circuit may be activated if the core

wires touch the rear panel or if the + and – sides

touch each other (v“Protection Circuit”).

Never touch the speaker terminals while the

power supply is connected. Doing so could result

in electric shock.

•

Use speakers with an impedance of 6 to 16 Ω/ohms.

When using front A and B speakers simultaneously,

use speakers with an impedance of 8 to 16 Ω/

ohms.

wq wq

(R) (L)

When in the “Front A Bi-Amp” and “Front B Bi-

Amp” modes, the same signals are output from

the front speaker terminals and the AMP ASSIGN

terminals.

These connections make for higher quality playback

sound with no interference between the signals of

the bass and treble units.

When the “Amp Assign” setting (vpage 33) is

“Front A Bi-Amp” or “Front B Bi-Amp”, connect

as follows. (The illustration shows a connection

example for the Front A Bi-Amp speakers.)

NOTE

Use speakers compatible with bi-amp

connections.

When making bi-amp connections, be sure to

remove the short-circuiting plate or wire between

the speaker’s woofer and tweeter terminals.

•

Carefully check the left (L) and right (R) channels

and + (red) and – (black) polarities on the speakers

being connected to the AVR-990, and be sure to

interconnect the channels and polarities correctly.

When using a banana plug

Tighten the speaker

terminal ﬁrmly before

inserting the banana plug.

Peel off about 0.03 ft/10

mm of sheathing from

the tip of the speaker

cable, then either twist

the core wire tightly or

terminate it.

Turn the speaker terminal

counterclockwise to

loosen it.

Insert the speaker cable’s

core wire to the hilt into

the speaker terminal.

Turn the speaker terminal

clockwise to tighten it.

AVR-990

Front speakers A

Speaker Connections

About Bi-amp Connections

For connections of the SURR. BACK/AMP ASSIGN speaker terminals, see “Set the “Amp Assign”

Mode According to the Speaker Layout” (vpage 11).

Connections

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