4-108-797-31(1) *1 RCA pin cord (not supplied) *2 AUDIO OUT can be switched SUB or REAR. For details, see the supplied Operating Instructions. *3 Insert with the cord upwards. A *1 REMOTE IN REAR / SUB AUDIO OUT FM/MW/SW Compact Disc Player *3 L R REAR/SUB AUDIO OUT from car antenna (aerial) REAR / SUB Fuse (10 A) AUDIO OUT*2 Blue/white striped 3 AMP REM Max. supply current 0.3 A White Black Left 1 White/black striped Gray Blue ANT REM Right Max. supply current 0.1 A Gray/black striped REAR / SUB AUDIO OUT Green Red Left Installation/Connections Right CDX-GT280S CDX-GT280 ©2008 Sony Corporation Printed in Thailand Connection diagram Cautions ×2 • This unit is designed for negative ground (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 ground (earth) leads to a common ground (earth) point. • Be sure to insulate any loose unconnected leads with electrical tape for safety. To a metal surface of the car 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. To AMP REMOTE IN of an optional power ampliﬁer Parts Iist ×4 Equipment used in illustrations (not supplied) • 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 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. First connect the black ground (earth) lead, then connect the yellow, and red power supply leads. To the power antenna (aerial) control lead or power supply lead of antenna (aerial) booster ampliﬁer Notes • It is not necessary to connect this lead if there is no power antenna (aerial) or antenna (aerial) booster, or with a manually-operated telescopic antenna (aerial). • When your car has a built-in FM/MW/SW antenna (aerial) in the rear/side glass, see “Notes on the control and power supply leads.” 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 ground (earth) lead to a metal surface of the car ﬁrst. • When your car has a built-in FM/MW/SW antenna (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 ground (earth) lead to a metal surface of the car ﬁrst. Notes on the control and power supply leads • The power antenna (aerial) control lead (blue) supplies +12 V DC when you turn on the tuner. • When your car has built-in FM/MW/SW antenna (aerial) in the rear/side glass, connect the power antenna (aerial) control lead (blue) or the accessory power supply lead (red) to the power terminal of the existing antenna (aerial) booster. For details, consult your dealer. • A power antenna (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. Front speaker Power ampliﬁer Catch Note Before installing, make sure that the catches on both sides of the bracket are bent inwards 2 mm (3/32 in). If the catches are straight or bent outwards, the unit will not be installed securely and may spring out. Rear speaker Rotary commander RM-X4S Connection example Notes (-A) • Be sure to connect the ground (earth) lead before connecting the ampliﬁer. • The alarm will only sound if the built-in ampliﬁer is used. Active subwoofer 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 ground (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. Yellow 5 Purple/black striped 4 Green/black striped Purple 2 Precautions 2 1 • 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°. 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 . Pinch both edges of the protection collar , then 2 1 2 3 Dashboard 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). Fire wall 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 (7/32 × 11/32 in) max. size 5 × 8 mm (7/32 × 11/32 in) to dashboard/center console Bracket max. size 5 × 8 mm (7/32 × 11/32 in) to dashboard/center console Bracket Bracket Bracket Existing parts supplied with your car 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 mm Remove the bracket . Mounting example 182 pull it out. Existing parts supplied with your car B max. size 5 × 8 mm (7/32 × 11/32 in) 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 Be sure to set the Auto Off function. For details, see the supplied Operating Instructions. The unit will shut off completely and automatically in the set time after the unit is turned off, which prevents battery drain. If you do not set the Auto Off function, press and hold until the display disappears each time you turn the ignition off.