Yamaha RX-797: Connecting the power supply cord

CONNECTIONS

■ AC OUTLET(S) (SWITCHED)

Connecting the power supply cord

Australia model ......................................................1 outlet

Other models ....................................................... 2 outlets

Plug the power cable into the AC IN on the rear panel of

Use these outlets to connect the power supply cords from

this unit and then plug the power supply cord into the AC

your other components to this unit. The outlets supply

wall outlet after all other connections are complete.

power to any connected components whenever the power

of this unit is turned on. For information on the maximum

Power cable

power (total power consumption of components), see

“SPECIFICATIONS” on page 42.

■ VOLTAGE SELECTOR

VOLTAGE SELECTOR

(Asia and General models only)

PREPARATION

VOLTAGE SELECTOR on the rear panel of this unit must

be set for your local main voltage BEFORE plugging the

AC IN

power supply cord into the AC wall outlet.

Voltages are as follows:

AC OUTLETS

SWITCHED

Asia model ......................... AC 220/230–240 V, 50/60 Hz

VOLTAGE

SELECTOR

IMPEDANCE SELECTOR

General model...... AC 110/120/220/230–240 V, 50/60 Hz

SET BEFORE POWER ON

■ IMPEDANCE SELECTOR switch

A OR B: 4ΩMIN. /SPEAKER

A OR B: 6ΩMIN. /SPEAKER

A+B: 8ΩMIN. /SPEAKER

A+B:12ΩMIN. /SPEAKER

CAUTION

Do not slide the IMPEDANCE SELECTOR switch while the

power of this unit is turned on, as doing so may damage the unit.

Select the switch position (left or right) according to the

(General model)

impedance of the speakers in your system.

IMPEDANCE SELECTOR

switch

Switch

AC OUTLET(S)

Impedance level

position

■ COUPLER jacks

If you use one set (A or B), the impedance of

Removing the jumper pins from the PRE OUT/MAIN IN

each speaker must be 6

Ω or higher.

jacks enables this unit to operate separately as a control

Right

amplifier or a power amplifier. These jacks are used to

If you use two sets (A and B), the impedance

of each speaker must be 12

Ω or higher.

connect a signal-processing system such as a graphic

equalizer or a surround-sound processor to this unit. If

If you use one set (A or B), the impedance of

such an external unit is connected to these jacks, the

each speaker must be 4

Ω or higher.

VOLUME control of this unit can be used to adjust the

Left

overall sound output level.

If you use two sets (A and B), the impedance

To connect an external unit, first remove the jumper pins

of each speaker must be 8

Ω or higher.

from the PRE OUT/MAIN IN jacks and then connect the

input jacks of that external unit to the PRE OUT jacks or

Notes

its output jacks to the MAIN IN jacks. For details, refer to

• The Canada model cannot use two separate speaker sets (A and

the owner’s manual included with the external unit to be

B) simultaneously when the IMPEDANCE SELECTOR switch

connected.

is slid to the 6

Ω position.

• If this unit fails to turn on, the IMPEDANCE SELECTOR

Notes

switch may not be fully slid to either position. If this is the case,

• When you do not use the COUPLER jacks, never remove the

slide the switch all the way to either position when the power

jumper pins from these jacks. If removed, no sound will be

supply to this unit is completely cut off.

output from this unit.

• When you use this unit with an external unit connected to the

COUPLER jacks, make sure that the CD DIRECT AMP button

and the PURE DIRECT button on the front panel are turned off.

• When you use this unit as a power amplifier, connect the output

jacks of an external control amplifier, etc. to the MAIN IN jacks

English

of this unit. In this case, the controls of this unit will not

function except the PHONES jack and the SPEAKERS A/B

buttons. Use the controls on the external control amplifier to

make volume adjustments, etc.

15