Philips MCM390 User Manual page 22

Problem
Recording or playback cannot be made.
"CHK TAPE" is displayed.
The tape deck door cannot open.
The system does not react when buttons
are pressed.
Sound cannot be heard or is of poor
quality.
The left and right sound outputs are
reversed.
The remote control does not function
properly.
The timer is not working.
The Clock/Timer setting is erased.
22
Solution
Clean deck parts, see "Maintenance".
Use only normal (IEC I) tape for recording.
Apply a piece of adhesive tape over the missing
tab space.
Remove and reconnect the AC power plug and
switch on the system again.
Remove and reconnect the AC power plug and
switch on the system again.
Adjust the volume.
Disconnect the headphones.
Check that the speakers are connected correctly.
Check if the stripped speaker wire is clamped.
Make sure the MP3-CD was recorded within
32-256 kbps bit rate with sampling frequencies
at 48 kHz, 44.1 kHz or 32 kHz.
Check the speaker connections and location.
Select the source (CD or TUNER, for example)
before pressing the function button (É,í,ë).
Reduce the distance between the remote
control and the system.
Insert the batteries with their polarities
(+/– signs) aligned as indicated.
Replace the batteries.
Point the remote control directly toward
IR sensor on the front of the system.
Set the clock correctly.
Press TIMER to switch on the timer.
If a recording is in progress, stop the recording.
Power has been interrupted or the power cord
has been disconnected. Reset the clock/timer.