Harman/Kardon AVR 156 Owner's Manual download pdf (Page 11)

AVR 156

ENGLISH

Types of Home Theatre System Connections

There are different types of audio and video connections used to connect the AVR to your

speakers, your TV or video display, and your source devices. The Consumer Electronics

Association has established the CEA

colour-coding standard.

Connection Colour Guide Table

Analogue Audio Connection Colour

Front Left/Right White/Red

Centre Green

Surround Left/Right Blue/Gray

Subwoofer Purple

Digital Audio Connection Colour

Coaxial (input or output) Orange

Optical Input Black

Analogue Video Connection Colour

Component Video Red/Green/Blue

Composite Video Yellow

Speaker Connections

Speaker cables carry an ampliﬁed signal from the AVR’s speaker terminals to each

loudspeaker. Each cable contains two wire conductors, or leads, that are differentiated

in some way, such as with colours or stripes.

The differentiation helps you maintain proper polarity, without which your system’s low-

frequency performance can suffer. Each speaker is connected to the AVR’s speaker-

output terminals using two wires, one positive (+) and one negative (–). Always connect

the positive terminal on the speaker, which is usually coloured red, to the positive

terminal on the AVR, which is coloured as indicated in the Connection Colour Guide

Table, above. The negative terminals on the speakers and the AVR are black.

Your AVR uses binding-post speaker terminals that can accept bare-wire cables or

banana plugs. Bare-wire cables are installed as shown below:

1. Unscrew Cap 3. Tighten Cap2. Insert Bare Wire

Banana plugs are inserted into the hole in the middle of the terminal cap, as shown

below:

A. Tighten Cap B. Insert Banana Connector

into Hole in Cap

Always connect the coloured (+) terminal on the AVR to the (+) terminal on the speaker

(usually red), and the black (–) terminal on the AVR to the (–) terminal on the speaker

(usually black).

IMPORTANT: Make sure the ( + ) and ( – ) bare wires do not touch each other or

the other terminal. Touching wires can cause a short circuit that can damage your

AVR or ampliﬁer.

Subwoofer Connections

The subwoofer is a speaker dedicated to reproducing only the low (bass) frequencies,

which require more power. To obtain the best results, most speaker manufacturers offer

powered subwoofers that contain their own ampliﬁers. Use a single RCA audio cable

(not included) to make a line-level (non-ampliﬁed) connection from the AVR’s Subwoofer

connector to a corresponding input jack on the subwoofer.

Although the AVR’s purple subwoofer output looks similar to a full-range analogue audio

jack, it is ﬁltered so that only the low frequencies pass through it. Don’t connect this

output to any device other than a subwoofer.

Source Device Connections

Audio and video signals originate in source devices (components where a playback

signal originates) such as your Blu-ray Disc or DVD player, CD player, DVR (digital video

recorder) or other recorder, tape deck, game console, cable or satellite television tuner

or MP3 player. The AVR’s FM/AM tuner also counts as a source, even though no external

connectors are needed other than the AVR’s FM and AM aerials. Separate connectors are

required for the audio and video portions of the source device’s signal, except for digital

HDMI connectors. The types of connectors you use will depend upon the capabilities of

the source device and of your TV or video display.

Digital Audio Connections – HDMI

There are two types of audio connections – digital and analogue. Digital audio signals

are required for listening to sources encoded with digital surround modes, such as Dolby

Digital and DTS, or for uncompressed PCM digital audio. Your AVR has three types of

digital audio connectors: HDMI, coaxial and optical. Do not use more than one type of

digital audio connector for each source device. However, it’s okay to make both analogue

and digital audio connections to the same source.

Your AVR is equipped with four rear-panel HDMI input connectors and one HDMI monitor

output connector. HDMI technology enables digital audio and video information to be

carried using a single cable, delivering the highest quality picture and sound. If your TV

or video-display device has an HDMI input connector, make a single HDMI connection

from each source device to the AVR. Usually, a separate digital audio connection is not

required.

The HDMI connector is shaped for easy plug-in (see illustration, below), and HDMI cable

runs are limited to about 10 feet (3m). If your video display has a DVI input and is

HDCP-compliant, use an HDMI-to-DVI adapter (not included), and make a separate audio

connection.

Digital Audio Connections – Coaxial

Coaxial digital audio jacks are usually colour-coded orange. Although they look like

standard RCA-type analogue jacks, you should not connect coaxial digital audio outputs

to analogue inputs or vice versa.

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Harman/Kardon AVR 156 Owner's Manual Page 11

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