Boss Audio Systems 644UA, Руководство пользователя

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16
TROUBLE SHOOTING
Before going through the checklist, check wiring connection. If any of the problems
persist after checklist has been made, consult your nearest service dealer.
Symptom Cause Solution
No power.
The car ignition switch is
not on. If the power supply is
connected to the car accessory
circuits, but the engine is not
moving, switch the ignition key
to “ACC”.
The fuse is blown. Replace the fuse.
Disc cannot be
loaded or
ejected.
Presence of CD disc
inside the player. Remove the disc in the player,
then put a new one.
Inserting the disc in reverse
direction. Insert the compact disc with the
label facing upward.
Compact disc is extremely
dirty or defective. Clean the disc or try to play a new
one.
Temperature inside the car
is too high. Cool off until the temperature
returns to normal.
Condensation. Leave the player off for an hour or
so, then try again.
No sound.
Volume is in minimum Adjust volume to a desired level.
Wiring is not properly
connected. Check wiring connection.
Sound skips.
The installation angle is
more than 30 degrees. Adjust the installation angle less
than 30 degrees.
The disc is extremely
dirty or defective. Clean the compact disc, then try to
play a new one.
The operation
keys do not
work. The built-in microcomputer
is not operating properly
due to noise. Press the RESET button.
Front panel is not properly fixed into
its place.
The antenna cable is not
connected. Insert the antenna cable firmly. The radio does
not Work. The
radio station
automatic
selection does
not work.
The signals are too weak. Select a station manually.
16
TROUBLE SHOOTING
Before going through the checklist, check wiring connection. If any of the problems
persist after checklist has been made, consult your nearest service dealer.
Symptom Cause Solution
No power.
The car ignition switch is
not on. If the power supply is
connected to the car accessory
circuits, but the engine is not
moving, switch the ignition key
to “ACC”.
The fuse is blown. Replace the fuse.
Disc cannot be
loaded or
ejected.
Presence of CD disc
inside the player. Remove the disc in the player,
then put a new one.
Inserting the disc in reverse
direction. Insert the compact disc with the
label facing upward.
Compact disc is extremely
dirty or defective. Clean the disc or try to play a new
one.
Temperature inside the car
is too high. Cool off until the temperature
returns to normal.
Condensation. Leave the player off for an hour or
so, then try again.
No sound.
Volume is in minimum Adjust volume to a desired level.
Wiring is not properly
connected. Check wiring connection.
Sound skips.
The installation angle is
more than 30 degrees. Adjust the installation angle less
than 30 degrees.
The disc is extremely
dirty or defective. Clean the compact disc, then try to
play a new one.
The operation
keys do not
work. The built-in microcomputer
is not operating properly
due to noise. Press the RESET button.
Front panel is not properly fixed into
its place.
The antenna cable is not
connected. Insert the antenna cable firmly. The radio does
not Work. The
radio station
automatic
selection does
not work.
The signals are too weak. Select a station manually.