Sony MEX-BT2500: Maintenance

Others

Fuse replacement

• Using the Bluetooth device may not function on

When replacing the fuse, be

cellular phones, depending on radio wave

sure to use one matching the

conditions and location where the equipment is

amperage rating stated on the

being used.

original fuse. If the fuse blows,

• If you experience discomfort after using the

check the power connection and

Bluetooth device, stop using the Bluetooth device

replace the fuse. If the fuse

immediately. Should any problem persist, consult

blows again after replacement,

your nearest Sony dealer.

there may be an internal

malfunction. In such a case,

If you have any questions or problems concerning

consult your nearest Sony

your unit that are not covered in this manual, consult

dealer.

your nearest Sony dealer.

Cleaning the connectors

The unit may not function properly if the connectors

Maintenance

between the unit and the front panel are not clean. In

order to prevent this, detach the front panel (page 6)

Replacing the lithium battery of the

and clean the connectors with a cotton swab. Do not

apply too much force. Otherwise, the connectors

card remote commander

may be damaged.

Under normal conditions, the battery will last

approximately 1 year. (The service life may be

shorter, depending on the conditions of use.)

When the battery becomes weak, the range of the

card remote commander becomes shorter.

Replace the battery with a new CR2025 lithium

battery. Use of any other battery may present a

risk of fire or explosion.

Notes

• For safety, turn off the ignition before cleaning the

connectors, and remove the key from the ignition

switch.

• Never touch the connectors directly with your fingers

or with any metal device.

Notes on the lithium battery

Removing the unit

• Keep the lithium battery out of the reach of children.

Should the battery be swallowed, immediately

1 Remove the protection collar.

consult a doctor.

• Wipe the battery with a dry cloth to assure a good

1Detach the front panel (page 6).

contact.

• Be sure to observe the correct polarity when

2Engage the release keys together with the

installing the battery.

protection collar.

• Do not hold the battery with metallic tweezers,

otherwise a short-circuit may occur.

20

Fuse (10A)

Main unit Back of the front

panel

+ side up

2

c

WARNING

Battery may explode if mistreated.

Do not recharge, disassemble, or dispose of

in fire.

Orient the release

keys as shown.