Troubleshooting - Sony CDX-F7750S Mode D'emploi

General
Outputs:
Audio outputs terminal (front/rear)
Subwoofer output terminal (mono)
Power aerial 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
Aerial input terminal
Tone controls:
Bass: ±8 dB at 100 Hz
Treble: ±8 dB at 10 kHz
Loudness:
+8 dB at 100 Hz
+2 dB at 10 kHz
Power requirements: 12 V DC car battery
(negative earth)
Dimensions: Approx. 178 × 50 × 178 mm (w/h/d)
Mounting dimensions: Approx. 182 × 53 × 161 mm
(w/h/d)
Mass: Approx. 1.3 kg
Supplied accessories:
Card remote commander: RM-X154
Parts for installation and connections (1 set)
Front panel case (1)
Optional accessories/equipment:
Rotary commander: RM-X4S
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-T70MX, 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.
18

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.
The power aerial does not extend.
The power aerial 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 (FADER) 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 cancelled (page 12).
• 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.
The display disappears from/does not appear
in the display window.
• The dimmer is set "Dimmer on" (page 12).
• The display disappears if you press and hold (OFF).
t Press and hold (OFF) again until the display
appears.
• The connectors are dirty (page 17).
DSO does not function.
Depending on the type of car interior or type of music,
DSO may not have a desirable effect.
The images change automatically.
In Auto Image mode, the selected image cannot be
displayed.
t To display selected image only, set to "A.Image
off" (page 12).
Any display items do not display.
t Set to "INFO on" (page 12).