Sony MHC-EX990 Manuel d'utilisation - Page 25

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On safety

• Completely disconnect the power cord (mains

lead) from the wall outlet (mains) if it is not

going to be used for an extended period of

time. When unplugging the unit, always grip

the plug. Never pull the cord itself.

• Should any solid object or liquid get into the

system, unplug the system, and have it

checked by qualified personnel before

operating it again.

• AC power cord must be changed only at the

qualified service shop.

On placement

• Do not place the system in an inclined

position or in locations that are extremely hot,

cold, dusty, dirty, or humid or lacking

adequate ventilation, or subject to vibration,

direct sunlight or a bright light.

• Be careful when placing the unit or speakers

on surfaces that have been specially treated

(for example, with wax, oil, polish) as staining

or discoloration of the surface may result.

• If the system is brought directly from a cold to

a warm location or is placed in a very damp

room, moisture may condense on the lens

inside the unit, and cause the system to

malfunction. In this situation, remove the

disc, and leave the system turned on for about

an hour until the moisture evaporates.

On heat buildup

• Heat buildup on the unit during operation is

normal and is not a cause for alarm.

• Do not touch the cabinet if it has been used

continuously at a high volume because the

cabinet may have become hot.

• Do not obstruct the ventilation holes.

On the speaker system

This speaker system is not magnetically

shielded, and the picture on nearby TV sets may

become magnetically distorted. In this situation,

turn off the TV, wait 15 to 30 minutes, and turn

it back on. If there is no improvement, move the

speakers far away from the TV.

Cleaning the cabinet

Clean this system with a soft cloth slightly

moistened with a mild detergent solution.

Do not use any type of abrasive pad, scouring

powder, or solvent, such as thinner, benzine,

or alcohol.

Specifications

Amplifier section

The following are measured at

Mexican model:

AC 120 V – 240 V, 60 Hz

Other models:

AC 120 V – 240 V, 50/60 Hz

MHC-EX990

Front Speaker:

Power output (rated):

100 W + 100 W (at 2 ohms, 1 kHz,

1% THD)

RMS output power (reference):

180 W + 180 W (per channel at

2 ohms, 1 kHz)

Subwoofer:

RMS output power (reference):

360 W (at 4 ohms, 100 Hz)

MHC-EX880

Power output (rated):

140 W + 140 W (at 3 ohms, 1 kHz,

1% THD)

RMS output power (reference):

240 W + 240 W (per channel at

3 ohms, 1 kHz)

MHC-EX660

Power output (rated):

85 W + 85 W (at 4 ohms, 1 kHz,

1% THD)

RMS output power (reference):

150 W + 150 W (per channel at

4 ohms, 1 kHz)

Inputs

DVD/PC IN L/R (phono jacks):

Sensitivity 700 mV, impedance

22 kilohms

Outputs

PHONES (stereo mini jack):

accepts headphones with an impedance

of 8 ohms or more

Continued