Sony XM-255EX - Manuel (Page 14)

Spécifications
Circuiterie Circuit OTL (sortie sans
transformateur)
Alimentation par impulsions
Entrées Prises à brodie RCA
Connecteur d'entrée haut niveau
Sorties Bornes de haut-parleurs
Prises à broches à sortie directe
Impédance des haut-parleurs
2-8 û (stéréo)
4-80 (en cas d'utilisation comme
amplifîcateur en pont)
Sorties maximales 120 watts x 2 (à 4 O)
150 watts X 2 (à 2 Îi)
300 watts (monaural, à 4 H)
Sorties nominales (tension d'alimentation à 14,4 V)
55 watts X 2 (20 Hz - 20 kHz, 0,04 %
DHT, à 4 il)
70 watts
X 2 (20 Hz - 20 kHz, 0,1 %
DHT, à 2 Q)
140 watts (monaural) (20 Hz -
20 kHz, 0,1 % DHT, à 4 O)
Réponse en fréquence
5 Hz-100 kHz (IdB)
Distorsion hanruHÜque
0,005 % ou inférieure
(à IkHz, 4 û)
Plage de réglage du niveau d'entrée
0,2 - 4,0 V (prises à broche RCA)
0,4 - 8,0 V (entrée haut niveau)
Filtre passe-bas 50 - 200 Hz, -18 dB/oct
Alimentation Batterie de voiture 12 V CC
(masse négative)
Tension d'alimentation
10,5 -16 V
Courant à la sortie nominale: 15 A
Entrée de télécommande: 1,4 mA
Din^nsions Approx. 237 x 52 x 170 mm
(9 V« X 2 V» X 6 ^/i po.) (1/h/p)
à l'exclusion des parties et commandes
saillantes
Poids Approx. 1,5 kg (3 livres 5 onces) sans
les accessoires
Accessoires fournis
Vis de montage (4),
Cache de borne (1)
Accessoires en option
Câble de raccordement pour
ampliricateur de puissance RC-46
La conception et les spécifications sont sujettes à
modirications sans préavis.
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 cormection and operating procedures.
Problem Cause/Soiirtion
The POWER/PROTECTOR The hise is blown. — ь R^lace die fuse with a new one.
indicator does hot light up.
The ground lead is not securely connected. —♦ Fasten the ground lead securely to
a теЫ surfoce of the car.
The voltage going into the remote terminal is too low.
• The connected master unit is not turned on. — ► Turn on the master unit.
• The s^tem en^loys too many amplifiers. —* Use a relay.
Check the battery voltage (105 - 16 V).
The OVER CURRENT indicator lights
up in red. Turn off the power switdi. The speaker outputs are short-drcuited. —» Rectify
Che cause of me short-circuit.
The OFFSET indicator lights up in red. Turn off die power switdi. Make sure the speaker cord and ground lead are
securely omnected.
The THERMAL indicator tights up in
red. The unit heats up abnormally.
• Use speakers with suitable impedance (2 to 8 ohms).
• Make sure to place the unit in a well ventilated location.
Alternator noise is heard. The power ccmnecting leads are installed too dose to the RCA pin cords. I<teep
the l^ds away from the cords.
The ground lead is not securely connected. Fas^ the ground lead securely to
a metal surfiice of die car.
Negative weaker leads are touching die car chassis. —* Keep die leads away
from die car chassis.
The sound is muffled. The FILTER sdector switoh is set to die "LPF" position.
The sound is too low. The LEVEL adjustment control is set to the "MIN" position.
No sound is heard. The FILTER selector switch is settled between settings (i.e., not correctly set); set
the switidi properly.
No test tone is heard wlien the TEST
TONE button is pressed. The wiring is not properly connected. — ► Check the connections and re-wire
accordingly.
If you have any questions or problems concerning your unit that are not covered in this manual, please
consult your nearest Sony dealer.