Spécifications; Troubleshooting Guide - Sony XM-754HX Operating Instructions Manual

Spécifications
Circuiterie Circuit OTL (Sortie sans
transformateur)
Alimentation par impulsions
Entrées Prises à broche RCA
Sorties Bornes de haut-parleurs
Impédance des haut-parleurs
1*-8 Q (stéréo)
2* - 8 Q (utilisé comme amplificateur
en pont)
Sorties maximales (HI-CURRENT / HI-VOLTAGE)
Quatre haut-parleurs :
90/170-W x4 (à 4 Q)
Trois haut-parleurs:
90Wx2+250Wx1/170Wx2+
400 W x 1(a4Q)
Deux haut-parleurs :
250/400 W x 2 (à 40)
Sorties nominales (HI-CURRENT / HI-VOLTAGE)
(tension d'alimentation de 14,4 V)
Quatre haut-parleurs :
35/75 W x 4 (20 Hz - 20 kHz, 0,04 %
THD, à 4 Q)
50/100 W x 4 (20 Hz - 20 kHz, 0,1 %
THD, a2)
Deux haut-parleurs :
100/200 W x 2 (20 Hz - 20 kHz, 0,1 %
THD, à 4 Q)
Réponse en fréquence 5 Hz- 50 kHz ( dB)
. Dimensions
Distorsion harmonique 0,005 % ou inférieure (à 1kHz, 4 Q)
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-haut 50 — 200 Hz, -12 dB/oct
Filtre passe-bas 50 - 200 Hz, ~12 dB/oct
Amplification de basses fréquences
0 - 10 dB (40 Hz)
Alimentation Batterie de voiture, courant continu
12 V (masse négative)
Tension d'alimentation 10,5 - 16 V
Courant à la sortie nominale: 40 A
(mode HI-VOLTAGE 4Q)
Entrée de télécommande: 1.5 mA
Env. 258 x 50 x 320 mm
(1/h/p) (10 1/4 x 2 x 12 5/s po.)
capuchon de protection de borne
compris
Poids Env. 3,5 kg (7 li. 11 on.) accessoires
non compris
Vis de montage (4),
Cache de borne (1)
Accessoires en option Cordon de connexion pour
amplificateur de puissance RC-46
Accessoires fournis
La conception et les spécifications peuvent étre modifiées
sans préavis.
* HI-CURRENT uniquement
Troubleshooting Guide
The following chécklist 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 .
Cause/Solution
The POWER/PROTECTOR
indicator does not light up.
The fuse is blown. — Replace the fuse with a new one.
The ground lead is not securely connected. — Fasten the ground lead securely
to a metal point 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.
e The system employs too many amplifiers. — Use a relay.
Check the battery voltage (10.5 — 16 V}.
The OVER CURRENT indicator light up Turn off the
in amber.
The OFFSET indicator fights up in
wer switch. The speaker outputs are short-circuited. — Rectify
the cause of the short-circuit.
Tum off the power switch. Make sure the speaker cord and ground lead are
amber. securely connected.
The THERMAL indicator tights up in The unit heats up abnormally.
amber. e Use speakers with suitable impedance. -
— HI-CURRENT mode: 1 to 8 Q.
- HI-VOLTAGE mode: 2 to 8 Q.
Use HI-CURRENT mode to reduce generated heat.
+ Make sure to place the unit in a well ventilated location.
Alternator noise is heard.
The power connecting leads are installed too close to the RCA pin cords. —+
Keep the leads away from the cords.
The ground lead is not securely connected. — Fasten the ground lead securely
to a metal point of the car.
Negative speaker leads are touching the car chassis. — Keep the leads away
from the car chassis.
The sound is muffled. The FILTER switch is set to the "LPF" position.
~
.
The sound is too low.
The level adjustment control is set to the "MIN" position.