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Maintenance; Dismounting The Unit - Sony CDX-4250 Operating Instructions (primary manual) Operating Instructions Manual

Fm/am compact disc player
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Fuse replacement
When replacing the fuse, be sure to use one
matching the amperage rating stated on the
original fuse. If the fuse blows, check the
power connection and replace the fuse. If the
fuse blows again after replacement, there may
be an internal malfunction. In such a case,
consult your nearest Sony dealer.
Never use a fuse with an amperage rating
exceeding the one supplied with the unit as
this could damage the unit.
Cleaning the connectors
The unit may not function properly if the
connectors between the unit and the front
panel are not clean. In order to prevent this,
open the front panel by pressing (RELEASE),
then detach it and clean the connectors with a
cotton swab dipped in alcohol. Do not apply
too much force. Otherwise, the connectors may
be damaged.
Main unit
Back of the front panel
• For safety, turn off the engine before cleaning
the connectors and remove the key from the
ignition key switch.
• Never touch the connectors directly with your
fingers or any metal device.

Dismounting the unit

Fuse (10 A)
Pull the unit out while the release key is inserted.
Press the clip inside the front cover with a thin
screwdriver, and gently pry the front cover free.
Release key


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