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Trouble Shooting - Yamakawa M2150 Instruction Manual

Car stereo compact disc mp3/cd-rw/cd-r/cd sd/mmc usb media player with pll fm stereo radio, radio data system (rds) with pty detachable front panel system
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Before going through the check list, check wiring connection. If any of the problems persist
after check list has been made, consult your nearest service dealer.
SYMPTOM
No Power
Disc cannot be loaded or
ejected
No sound
Sound skips
The operation keys do not
work
The radio does not work.
The radio station automatic
selection does not work
CAUSE
The car ignition switch is not
on.
The fuse is blown.
Presence of CD disc inside
the player.
Inserting the disc in reverse
direction.
Compact disc is extremely
dirty or defective disc.
Temperature inside the car is
too high.
Condensation.
Volume is in minimum.
Wiring is not properly
connected.
The installation angle is
more than 30 degrees.
The disc is extremely dirty or
defective disc.
The built-in microcomputer
is not operating properly
due to noise.
The antenna cable is not
connected.
The signals are too weak.
21

Trouble Shooting

SOLUTION
If the power supply is
properly connected to the
car accessory circuits. But
the engine is not moving.
Switch the ignition key to
"ACC".
Replace the fuse.
Remove the disc in the
player. Then put a new one.
Insert the compact disc with
the label facing upward.
Clean the disc or try to play
a new one.
Cool off or until the ambient
temperature return to
normal.
Leave the player off for an
hour or so, then try again.
Adjust volume to a desired
level.
Check wiring connection.
Adjust the installation angle
to less than 30 degrees.
Clean the compact disc, then
try to play a new one.
Press the RESET button.
Front panel is not properly
fixed into its place.
Insert the antenna cable
firmly.
Select a station manually.

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