Troubleshooting - Sony CDX-M7815X Manual De Instrucciones

AM
Tuning range: 530 – 1,710 kHz
Antenna terminal: External antenna connector
Intermediate frequency: 10.7 MHz/450 kHz
Sensitivity: 30 µV
Power amplifier section
Outputs: Speaker outputs (sure seal connectors)
Speaker impedance: 4 – 8 ohms
Maximum power output: 52 W × 4 (at 4 ohms)
General
Outputs:
Audio outputs terminal (front/rear)
Subwoofer output terminal (mono)
Power antenna relay control terminal
Power amplifier control terminal
Inputs:
Telephone ATT control terminal
Illumination control terminal
BUS control input terminal
BUS audio input/AUX IN terminal
Remote controller input terminal
Antenna input terminal
Tone controls:
Bass: ±10 dB at 62 Hz
Treble: ±10 dB at 16 kHz
Loudness:
+8 dB at 100 Hz
+2 dB at 10 kHz
Power requirements: 12 V DC car battery
(negative ground)
Dimensions: Approx. 178 × 50 × 188 mm (7
1
7 / in) (w/h/d)
2
Mounting dimensions: Approx. 182 × 53 × 162 mm
× 2 × 6
1 1 1
(7 / / / in) (w/h/d)
4 8 2
Mass: Approx. 1.6 kg (3 lb 9 oz)
Supplied accessories:
Card remote commander: RM-X143A
Parts for installation and connections (1 set)
Front panel case (1)
Optional accessories/equipment:
Rotary commander: RM-X6S
BUS cable (supplied with an RCA pin cord):
RC-61 (1 m), RC-62 (2 m)
CD changer (10 discs): CDX-757MX
CD changer (6 discs): CDX-T69
MD changer (6 discs): MDX-66XLP
Source selector: XA-C30
AUX-IN selector: XA-300
US and foreign patents licensed from Dolby
Laboratories.
Note
This unit cannot be connected to a digital preamplifier
or an equalizer which is Sony BUS system compatible.
Design and specifications are subject to change
without notice.
• Lead-free solder is used for soldering certain
parts. (more than 80 %)
• Halogenated flame retardants are not used in the
certain printed wiring boards.
• Halogenated flame retardants are not used in
cabinets.
• VOC (Volatile Organic Compound)-free vegetable
oil based ink is used for printing the carton.
• Packaging cushions do not use polystyrene foam.

Troubleshooting

The following checklist will help you remedy
problems you may encounter with your unit.
Before going through the checklist below, check the
connection and operating procedures.
General
No power is being supplied to the unit.
• Check the connection. If everything is in order, check
the fuse.
• If the unit is turned off and the display disappears, it
cannot be operated with the remote commander.
t Turn on the unit.
× 2 ×
1
/
8
The power antenna does not extend.
The power antenna does not have a relay box.
No sound.
• The volume is too low.
• The ATT function is activated, or the Telephone ATT
function (when the interface cable of a car telephone
is connected to the ATT lead) is activated.
• The position of the fader control (FAD) is not set for
a 2-speaker system.
• The CD changer is incompatible with the disc format
(MP3/ATRAC CD).
t Play back with a Sony MP3 compatible CD
changer, or this unit.
No beep sound.
• The beep sound is canceled (page 11).
• An optional power amplifier is connected and you are
not using the built-in amplifier.
The contents of the memory have been erased.
• The RESET button has been pressed.
t Store again into the memory.
• The power connecting lead or battery has been
disconnected.
• The power connecting lead is not connected properly.
Stored stations and correct time are erased.
The fuse has blown.
Makes noise when the position of the ignition
key is switched.
The leads are not matched correctly with the car's
accessory power connector.
continue to next page t
17