Troubleshooting Guide; Guide De Depannage - Sony XM-ZZR3301 Operating Instructions Manual

Monaural power amplifier
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Troubleshooting Guide
The following checklist will assist in the correction of most problems which you may encounter with your unit.
Before going through the checklist below, refer to the connection and operating procedures.
Problem
The POWER/PROTECTOR indicator or
illumination does not light up.
The POWER/PROTECTOR indicator will
change from green to red.
• The unit becomes abnormally hot.
• The sound is interrupted.
Alternator noise is heard.
The sound is too low.
Cause/Solution
The fuse is blown.
-+
Replace both the fuses with a new one.
The ground wire is not securely connected.
-+
Fasten the ground wire securely to a metal point of the car.
The voltage going into the remote terminal is too low.
• The connected car audio unit is not turned on.
-+
Turn on the car audio unit.
• The system employs too many amplifiers.
-+
Use a relay.
Check the battery voltage (l0.5 - 16 V).
Turn off the power switch. The speaker outputs are shorted.
-+
Rectify the cause of the short.
Turn off the power switch. Make sure the speaker cord and ground wire are
securely connected.
The unit heats up abnormally.
• Use speakers with suitable impedance.
-+
2-80
• Make sure to place the unit in a well ventilated location.
The thermal protector is activated.
-+
Reduce the volume.
The power connecting wires are installed too close to the RCA pin cords.
-+
Keep the power connecting wires away from the RCA pin cords.
The ground wire is not securely connected.
-+
Fasten the ground wire securely to a metal point of the car.
Negative speaker wire is touching the car chassis.
-+
Keep the wire away from the car chassis.
The LEVEL adjustment control is not appropriate. Turn the LEVEL adjustment
control in the clockwise direction.
Guide de depannage
La liste suivante vous permettra de remedier
a
la plupart des problemes que vous pourriez rencontrer dans Ie
cadre de l'utilisation de votre appareil.
Avant de passer en revue la liste ci-dessous, verifiez les procedures de raccordement et d'utilisation.
Probleme
L'indicateur POWER/PROTECTOR ou
I'eclairage ne s'allume pas.
L'indicateur POWER/PROTECTOR passe du
vert au rouge.
• L'appareil chauffe de
fa~on
anormale.
• Le son est interrompu.
L'alternateur emet un bruit.
Cause/Solution
Le fusible est grille.
-+
Remplacez les deux fusibles par des neufs.
Le fil de terre n'est pas connecte correctement.
-+
Fixez correctement Ie fil de terre
a
un point metallique de la voiture.
La tension entrant sur la borne de commande
a
distance est trop faible.
• rautoradio raccorde n'est pas sous tension.
-+
Mettez l'autoradio sous tension.
• Le systeme utilise trop d'amplificateurs.
-+
Utilisez un relais.
Yerifiez la tension de la batterie (l0,5 - 16 V).
Coupez l'interrupteur d'alimentation. Les sorties de haut-parleur sont
court-circuitees.
-+
Remediez
a
la cause du court-circuit.
Coupez l'interrupteur d'alimentation. Assurez-vous que Ie cordon de
haut-parleur et Ie cable de masse sont correctement branches.
rappareil chauffe anormalement.
• Utilisez des haut-parleurs d'une impedance appropriee.
-+
2-80
• Installez l'appareil dans un endroit bien aere.
Le protecteur thermique est active.
-+
Reduisez Ie volume.
Les cables d'alimentation sont installes trop pres des cables
a
broches RCA.
-+
Eloignez les cables d'alimentation des cables
a
broches RCA.

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