Troubleshooting - Sony CDX-GT400 Operating Instructions Manual

Tuner section
FM
Tuning range: 87.5 – 107.9 MHz
Antenna terminal: External antenna connector
Intermediate frequency: 10.7 MHz/450 kHz
Usable sensitivity: 9 dBf
Selectivity: 75 dB at 400 kHz
Signal-to-noise ratio: 67 dB (stereo), 69 dB (mono)
Harmonic distortion at 1 kHz: 0.5 % (stereo),
0.3 % (mono)
Separation: 35 dB at 1 kHz
Frequency response: 30 – 15,000 Hz
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 terminal
Remote controller input terminal
Antenna input terminal
(stereo mini jack)
AUX input jack
Tone controls:
Low: ±10 dB at 60 Hz (XPLOD)
Mid: ±10 dB at 1 kHz (XPLOD)
High: ±10 dB at 10 kHz (XPLOD)
Power requirements: 12 V DC car battery
(negative ground)
Dimensions: Approx. 178 × 50 × 181 mm
× 2 × 7
1 1
(7 / / in) (w/h/d)
8 4
Mounting dimensions: Approx. 182 × 53 × 162 mm
× 2 × 6
1 1 1
(7 / / / in) (w/h/d)
4 8 2
Mass: Approx. 1.2 kg (2 lb 11 oz)
Supplied accessories:
Card remote commander: RM-X151
Parts for installation and connections (1 set)
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-T69
MD changer (6 discs): MDX-66XLP
Source selector: XA-C30
AUX-IN selector: XA-300
Your dealer may not handle some of the above listed
accessories. Please ask the dealer for detailed
information.
US and foreign patents licensed from Dolby
Laboratories.
MPEG Layer-3 audio coding technology and
patents licensed from Fraunhofer IIS and Thomson.
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.
• 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.
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/WMA/ATRAC CD).
t Play back with a Sony MP3 compatible CD
changer, or this unit.
No beep sound.
• The beep sound is canceled (page 9).
• An optional power amplifier is connected and you are
not using the built-in amplifier.
continue to next page t
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