Aiwa CX-N4000 U - Manual (Page 77)

TROUBLESHOOTING GUIDE
If the unit fails to perform as expected, please read through the instructions again and check the table below:
Symptom Causes Solutions
IlSii
15
0)
c
O
There is no sound. • The AC cord is not connected properly. • Correct the connection.
• An incorrect function button was pressed. • Press the function button to select the correct input.
• There is a bad connection between systems. • Correct the connection.
• Excessive voltage was applied to a speaker ter­
minal, which tripped the amplifier’s voltage-pro­
tection breaker.
• Disconnect the AC cord, correct the condition,
including speaker connections, and connect the
AC cord again.
The indicators in the display
go out or the power is turned
off soon after it is turned on.
• There is a short circuit in the speaker terminal.
• The breaker has tripped because of connection to
a low-impedance speaker.
• Disconnect the AC cord, correct the condition, in­
cluding speaker connections, and then connect the
power again. Turn on the power by pressing the
POWER button.
• If the clock is flashing radio presetting or timer
setting is canceled, set it again.
Sound comes from only one
speaker. • One speaker is disconnected. • Correct the speaker connection.
Sound of the connected
equipment is not heard. • The input level is set to MIN. • Adjustthe VIDEO/AUX INPUTLEVELcontrol (page
48).
c
'is
u
0)
w
k_
0)
c
3
h-
There is constant, wave-like
static.
• The antenna is not connected properly.
• The receiver is not correctly tuned.
• The signal is weak. • Check the antenna connection.
• Correct the tuning.
• Install an outside antenna.
Reception is noisy. • The system is picking up outside noise. • Change the location or direction of the antenna.
• Keep the antenna away from the flat cable.
• Turn the unit to a different orientation.
• Move the unit away from other electrical
appliances, like a TV or fluorescent lights, or move
the appliances.
The sound is distorted. • There is multipath distortion. • Change the orientation of the antenna.
• Replace the antenna with one that has the correct
orientation.
c
o
o
o
(/)
The tape does not run. • The deck is paused. • Press the II button to release pause.
The sound is off-balance. • The playback head is dirty. • Clean the head.
High sounds are too loud. • The DOLBY NR mode is set differently from when
the recording was made.
• Reset DOLBY NR to the same setting as when thq,
recording was made.
There are no high sounds. • A tape recorded without Dolby NR is being played
back in Dolby NR mode.
• Turn off DOLBY NR.
o • The playback head is dirty. • Clean the head.
■o
0)
•tx
0)
(fl
u>
n
o
Recording is impossible. • An erasure prevention tab on the tape has been
broken off.
• Cover the erasure prevention tab hole with tape.
• There is an incorrect connection. • Correct the connection.
• The recording head is dirty. • Clean the head.
Erasure is impossible. • The erasure head is dirty. • Clean the erasure head.
• A Cr02 or metal tape is being used. • Use a normal tape.
The output is not stereo. • A KARAOKE function is selected. • Cancel the KARAOKE function.
c
o
■
1
(0
>.
Q.
i Q
u
CD does not play. • The disc was inserted incorrectly. • Insert the disc with the label facing up.
• The disc is dirty. • Clean the disc.
• There is condensation on the lens. • Wait about an hour and try again.
• The player is paused. • Press the II button to release pause.
The output sound is not stereo. • A KARAOKE function is selected. • Cancel the KARAOKE function.
To reset
If an unusual condition occurs in the display window or the cassette
deck, reset the unit as follows.
1 Press the POWER button to turn off the power.
2 Press the POWER button while pressing the ■ button.
Everything stored in memory after purchase is canceled.
3 Press the POWER button to turn on the power.
4 Set the clock, radio presetting and timer settings as before.
If the power cannot be turned off in step 1 because of a malfunction,
reset by disconnecting the AC cord and carry out steps 2 to 4.
77