Philips C70 - Manual (Page 25)

3139 116 19441 (ENG)
25 TROUBLESHOOTING
Tape Deck Operation
Recording or playback cannot be
made or there is a decrease in
audio level.
• Dirty tape heads, capstans or
pressure rollers.
™ See section on tape deck maintenance
(page 24).
• Magnetic build-up in the record/
playback head.
™ Use demagnetizing tape.
General
System does not react when any
button is pressed.
• Electrostatic discharge.
™ Press STANDBY ON to switch the
system off. Remove the AC power plug
from the wall outlet, then reconnect
the power plug and switch on the
system again.
No or poor sound.
• Volume is not turned up.
™ Adjust VOLUME.
• The headphones are connected.
™ Disconnect the headphones.
• Speakers are not connected or are
connected wrongly.
™ Check that the speakers are
connected correctly.
™ Make sure the stripped speaker wire is
clamped.
Reversed left and right sound.
• Speakers are connected wrongly.
™ Check the speaker connections and
location.
Lack of bass sound or apparently
imprecise physical location of
musical instruments.
• Speakers are connected wrongly.
™ Check the speaker connection for
proper phasing, colored/black wires to
colored/black terminals.
Remote control has no effect on
the system.
• Wrong source is selected.
™ Select the source (CD, TUNER, etc.)
before pressing the function button,
(Й, н, л, etc.).
• The distance to the system is too
large.
™ Reduce the distance.
• Batteries are inserted incorrectly.
™ Insert the batteries with their polarities
(+/– signs) as indicated.
• Batteries are exhausted.
™ Replace the batteries.
Timer is not working.
• Clock is not set.
™ Set the clock.
• Timer is not switched on.
™ Press CLOCK/TIMER to switch on the
timer.
• Recording is in progress.
™ Stop recording.
Clock setting is erased.
• There was a power failure.
™ Reset the clock.
System displays features
automatically; buttons flash
continuously.
• Demonstration mode is switched
on.
™ Press and hold Ç (on the system) for
five seconds to switch off the
demonstration.
All lighted buttons are not lit.
• Equalizer Display is in NITE mode.
™ Press SOUND 3 or 4 to select other
Equalizer Display.
pg 01-28/C50-C70/37-Eng 18/11/1999, 2:39 PM 25