Pioneer PRS-D200 Manuel d'utilisateur télécharger pdf (Page 10)

ENGLISH

Additional information

• This unit is equipped with a protective function to prevent malfunction of the unit

itself and speakers from too much output, improper use or improper connection.

• When outputting sound at high volume etc., this function will cut off the sound output

in a few seconds. But this is not a malfunction. When you turn down the volume of

the head unit the sound output will be restored.

• If sound output is cut, the gain control of this unit may be improperly set. To ensure

continuous sound output at increased volume of the head unit, set the gain control

of the amplifier to a proper position according to the preout maximum output level of

the head unit (Fig. 1). There is no need to decrease the volume of the head unit and

too much output is controlled (Fig. 2, Fig. 3).

• If you decrease the volume of the head unit and set the gain control of the amplifier

to the proper position but still the sound cuts out from time to time, contact the

nearest authorized PIONEER Service Station.

Fig. 1 Gain control of this unit

Preout level: 6.5 V

Preout level: 2 V

(Standard: 500 mV)

Preout level: 4 V

Fig. 2 Relationship between the gain of the amplifier and the output power of the

head unit

Fig. 3 Signal waveform when outputting at high volume by the gain control of the

amplifier

Power Power

Equal power

Normal gain Maximum gain

Head unit volume steps Head unit volume steps

Amplifier gain

(normal)

Amplifier gain

(maximum)

If you raise the gain of the amplifier to an improper level, only distortion is increased

and the power increases only slightly.

Equal power

Normal gain Maximum gain

Signal

waveform

Amplifier gain

(normal)

Amplifier gain

(maximum)

With high output the signal waveform is distorted, if you raise the gain of the amplifier

the power changes only slightly.

Signal

waveform

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