Troubleshooting - Sony CDX-GT40U Operating Instructions Manual

USB Player section
Interface: USB (Full-speed)
Maximum current: 1 A
Power amplifier section
Output: Speaker outputs
Speaker impedance: 4 – 8 ohms
Maximum power output: 52 W × 4 (at 4 ohms)
General
Outputs:
Audio outputs terminal (rear/sub switchable)
Power antenna (aerial)/Power amplifier control
terminal (REM OUT)
Inputs:
Remote controller input terminal
Antenna (aerial) input terminal
AUX input jack (stereo mini jack)
USB signal input connector
Power requirements: 12 V DC car battery
(negative ground (earth))
Dimensions: Approx. 178 × 50 × 179 mm
1 × 2 × 7 1
(7 / / in) (w/h/d)
8 8
Mounting dimensions: Approx. 182 × 53 × 162 mm
1 1 1
× 2 × 6
(7 / / / in) (w/h/d)
4 8 2
Mass: Approx. 1.2 kg (2 lb 11 oz)
Supplied accessories:
Remote commander: RM-X211
Parts for installation and connections (1 set)
Your dealer may not handle some of the above
listed accessories. Please ask the dealer for
detailed information.
Design and specifications are subject to change
without notice.

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.
For details on using the fuse and removing the
unit from the dashboard, refer to the
installation/connections manual supplied with
this unit.
If the problem is not solved, visit the support
site on the back cover.
General
No power is being supplied to the unit.
 Check the connection or fuse.
 If the unit is turned off and the display
disappears, it cannot be operated with the
remote commander.
– Turn on the unit.
The power antenna (aerial) does not extend.
 The power antenna (aerial) does not have a
relay box.
No sound.
 The ATT function is activated.
 The position of the fader control "FADER" is
not set for a 2-speaker system.
No beep sound.
 The beep sound is canceled (page 15).
 An optional power amplifier is connected and
you are not using the built-in amplifier.
The contents of the memory have been
erased.
 The power supply lead or battery has been
disconnected or it is not connected properly.
Stored stations and correct time are erased.
The fuse has blown.
Makes noise when the position of the
ignition is switched.
 The leads are not matched correctly with the
car's accessory power connector.
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