Yamaha RX-V793 Owner's Manual download pdf (Page 15)

If your LD player has AC-3 RF signal output terminal and no

digital signal output terminal for AC-3 discrete audio signals,

connect the AC-3 RF signal output terminal to this unit’s

OPTICAL (or COAXIAL) digital signal input terminal by using

an RF demodulator (separate purchase).

First, connect the AC-3 RF signal output terminal of the LD

player to the AC-3 RF signal input terminal of the RF

demodulator. Next, connect the optical (or coaxial) digital

signal output terminal of the RF demodulator to the OPTICAL

(or COAXIAL) digital signal input terminal of this unit.

This connection is necessary for sending audio signals

encoded with the Dolby Digital (AC-3) from the LD player to

this unit.

It is also necessary to connect the LD player to this unit’s

analog audio signal input terminals regardless of the AC-3 RF

signal connection, for playing back an LD source with the

Dolby Pro Logic Surround decoded or in normal stereo (or

monaural).

If desired, you can also connect the digital signal output

terminal (for 2-channel audio signals) of the LD player to this

unit. If you will do so, connect it to the COAXIAL digital signal

input terminal of this unit, and connect the RF demodulator to

the OPTICAL digital signal input terminal of this unit.

By this connection, if the input mode of the DVD/LD source is

in “AUTO”, you can enjoy listening to sounds with the Dolby

Digital (AC-3) decoded when you play a disc encoded with the

Dolby Digital (AC-3) though signals are input to both OPTICAL

and COAXIAL digital signal input terminals of this unit

simultaneously (because signals input to the OPTICAL terminal

take priority of signals input to the COAXIAL terminal).

See page 29 for details about switching the input mode.

ANT

GND

Ω

UNBAL.

GND

MONITOR

OUT

DVD/LD TV/DBS

IN OUT

VCR

VIDEO SIGNALS VIDEO SIGNAL

MONITOR

OUT

IN OUT

VCR

ON SCREEN SELECTOR

S VIDEO VIDEO

REMOTE CONTROL

IN OUT

COAXIAL

DVD/LD

OPTICAL

DVD/LD TV/DBS

PCM/ DIGITAL IN

(AC

–

3 DIGITAL IN)

PHONO CD TAPE

MD DVD/LD TV/DBS VCR

TAPE PB REC OUT

IN OUT

AUDIO SIGNAL

1 3 4

COAXIAL

DIGITAL OUT

COAXIAL

DIGITAL OUT

OPTICAL

DIGITAL OUT

AC-3

RF OUT

AC-3

RF IN

ANALOG

OUT

English

Notes on connecting with an LD player equipped with an AC-3 RF output

RF demodulator

(YAMAHA APD-1 etc.)

(U.S.A. model)

Notes

●

If your LD player has an OPTICAL digital output terminal

(for 2-channel audio signals), be sure not to connect it to

this unit’s OPTICAL digital input terminal. If you do so,

when you play a disc encoded with the Dolby Digital (AC-3),

the Dolby Digital (AC-3) will not be decoded because the 2-

channel audio signals input to this unit’s OPTICAL digital

input terminal are selected prior to the signals encoded with

the Dolby Digital (AC-3) input to this unit’s COAXIAL digital

input terminal by way of an RF demodulator.

●

If, for example, you play a CD on the LD player (which can

play a CD also), there is no input to the OPTICAL terminal,

so the signals input to the COAXIAL terminal take priority. In

this case, switch off the RF demodulator to listen to CD

sound surely. However, if your RF demodulator is the

Yamaha model APD-1, you do not have to switch it off.

●

When you want to play a source encoded with the Dolby

Digital (AC-3) without decoding the Dolby Digital (AC-3),

you must switch off the power to the RF demodulator.

LD player

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Yamaha RX-V793 Owner's Manual Page 15

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