Sony CDX-GT255 Installation guide
2-651-186-61 (1) *1 A FM/MW/SW Compact Disc Player L *1 RCA pin cord (not supplied) *2 AUDIO OUT can be switched SUB or REAR. For details, see the Operating Instructions. R from car aerial BUS AUDIO IN Fuse (10 A) Installation/Connections AMP REM B Blue/white striped Max. supply current 0.3 A White Black Left White/black striped Grey Blue Right Max. supply current 0.1 A Grey/black striped Green Red Left Green/black striped Purple Right * AUDIO OUT SUB/REAR Purple/black striped CDX-GT255 © 2006 Sony Corporation Printed in China Cautions • This unit is designed for negative earth 12 V DC operation only. • Do not get the leads under a screw, or caught in moving parts (e.g. seat railing). • Before making connections, turn the car ignition off to avoid short circuits. • Connect the yellow and red power input leads only after all other leads have been connected. • Run all earth leads to a common earth point. • Be sure to insulate any loose unconnected leads with electrical tape for safety. ×2 Connection example Notes on the power supply lead (yellow) • When connecting this unit in combination with other stereo components, the connected car circuit’s rating must be higher than the sum of each component’s fuse. • When no car circuits are rated high enough, connect the unit directly to the battery. Equipment used in illustrations (not supplied) Front speaker • The numbers in the list are keyed to those in the instructions. • The bracket and the protection collar are attached to the unit before shipping. Before mounting the unit, use the release keys to remove the bracket and the protection collar from the unit. For details, see “Removing the protection collar and the bracket ()” on the reverse side of the sheet. • Keep the release keys for future use as they are also necessary if you remove the unit from your car. Caution Handle the bracket carefully to avoid injuring your fingers. Power amplifier Catch Note Before installing, make sure that the catches on both sides of the bracket are bent inwards 2 mm. If the catches are straight or bent outwards, the unit will not be installed securely and may spring out. Rear speaker Active subwoofer Connection diagram To a metal surface of the car First connect the black earth lead, then connect the orange/ white stripped, yellow, and red power input leads. To the power aerial control lead or power supply lead of aerial booster amplifier Notes • It is not necessary to connect this lead if there is no power aerial or aerial booster, or with a manually-operated telescopic aerial. • When your car has a built-in FM/MW/SW aerial in the rear/ side glass, see “Notes on the control and power supply leads.” To AMP REMOTE IN of an optional power amplifier Parts Iist ×4 Notes (-B) • Be sure to connect the earth lead before connecting the amplifier. • The alarm will only sound if the built-in amplifier is used. This connection is only for amplifiers. Connecting any other system may damage the unit. To the +12 V power terminal which is energized in the accessory position of the ignition key switch Notes • If there is no accessory position, connect to the +12 V power (battery) terminal which is energized at all times. Be sure to connect the black earth lead to a metal surface of the car first. • When your car has a built-in FM/MW/SW aerial in the rear/ side glass, see “Notes on the control and power supply leads.” To the +12 V power terminal which is energized at all times Be sure to connect the black earth lead to a metal surface of the car first. Notes on the control and power supply leads • The power aerial control lead (blue) supplies +12 V DC when you turn on the tuner. • When your car has built-in FM/MW/SW aerial in the rear/side glass, connect the power aerial control lead (blue) or the accessory power input lead (red) to the power terminal of the existing aerial booster. For details, consult your dealer. • A power aerial without a relay box cannot be used with this unit. Memory hold connection When the yellow power input lead is connected, power will always be supplied to the memory circuit even when the ignition switch is turned off. Notes on speaker connection • Before connecting the speakers, turn the unit off. • Use speakers with an impedance of 4 to 8 ohms, and with adequate power handling capacities to avoid its damage. • Do not connect the speaker terminals to the car chassis, or connect the terminals of the right speakers with those of the left speaker. • Do not connect the earth lead of this unit to the negative (–) terminal of the speaker. • Do not attempt to connect the speakers in parallel. • Connect only passive speakers. Connecting active speakers (with built-in amplifiers) to the speaker terminals may damage the unit. • To avoid a malfunction, do not use the built-in speaker leads installed in your car if the unit shares a common negative (–) lead for the right and left speakers. • Do not connect the unit’s speaker leads to each other. Note on connection If speaker and amplifier are not connected correctly, “FAILURE” appears in the display. In this case, make sure the speaker and amplifier are connected correctly. ANT REM Yellow 1 Precautions 2 • Choose the installation location carefully so that the unit will not interfere with normal driving operations. • Avoid installing the unit in areas subject to dust, dirt, excessive vibration, or high temperatures, such as in direct sunlight or near heater ducts. • Use only the supplied mounting hardware for a safe and secure installation. Face the hook inwards. Mounting angle adjustment Adjust the mounting angle to less than 45°. Orient the release key correctly. Removing the protection collar and the bracket Before installing the unit, remove the protection collar and the bracket from the unit. 1 Remove the protection collar . 2 1 2 3 Notes • Bend these claws outward for a tight fit, if necessary (-2). • Make sure that the 4 catches on the protection collar are properly engaged in the slots of the unit (-3). mm Mounting the unit in a Japanese car 53 m You may not be able to install this unit in some makes of Japanese cars. In such a case, consult your Sony dealer. m Note To prevent malfunction, install only with the supplied screws . Claws A TOYOTA B NISSAN max. size 5 × 8 mm to dashboard/centre console to dashboard/centre console Bracket max. size 5 × 8 mm max. size 5 × 8 mm Bracket Existing parts supplied with your car (OFF) Bracket Bracket A Insert both release keys together between the unit and the bracket until they click. Pull down the bracket , then pull up the unit to separate. Installation in the dashboard Fire wall max. size 5 × 8 mm Remove the bracket . Mounting example Dashboard 182 Engage the release keys together with the protection collar . Pull out the release keys to remove the protection collar . Existing parts supplied with your car B How to detach and attach the front panel Before installing the unit, detach the front panel. -A To detach Before detaching the front panel, be sure to press . Press , and pull it off towards you. -B To attach Engage part of the front panel with part of the unit, as illustrated, and push the left side into position until it clicks. Warning if your car’s ignition has no ACC position After turning the ignition off, be sure to press and hold on the unit until the display disappears. Otherwise, the display does not turn off and this causes battery drain. RESET button When the installation and connections are completed, be sure to press the RESET button with a ballpoint pen, etc., after detaching the front panel.
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