Prology CMD-150, Service Manual

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Troubleshooting
If you suspect something is wrong, immediately switch power off. Immediately stop using it and call the store where you purchased it.
Never try to repair the unit yourself because it is dangerous to do so.
When a dis c beco mes d irty cle an it w ith a c leanin g cloth .
Wipe the di sc from the c enter out.
After prolon ged u se, dir t or du st may accum ulate at the lens. To ens ure go od pla yback quality, clea n the d isc wit h Philips CD lens
Clea ner or any c omme rcially availa ble cle aner. Follow the in structi ons su pplied with c leaner.
To en sure g ood p laybac k qual ity, cle an the heads A ,th e caps tan B ,
and p ressu re rolle r C a fter ev ery 50 hours of tap e operation. Used
a cot ton sw ab slig htly m oisten ed wit h clea ning flu id or a lcoho l.
You c an als o clea n the h eads by play ing a c leani ng tape once .
Clea ring d isc
Clea ning t he dis c lens
Clea ning t he hea ds an d the Tape Parts
Maintenance
MAINTENANCE AND TROUBLESHOOTING
1-11
General Radio
Disc
No power or
no sound
Preset station
is reset.
Much noise in
broadcasts
Car's engine switch is not on.
Cable is not correctly connected.
Fuse is burnt.
If the above solutions cannot help,
Turn your car's key to ACC or ON.
Check connection.
Replace fuse.
Check volume or mute on / off.
Press the RESET button.
Disc is upside down.
Disc is dirty or damaged
Place disc in the correct direction,
the label side up.
Clean disc or change another disc.
Disc is inside but
no sound.
Station is too far, or signals are too weak.
Select other stations of higher signal level.
Battery cable is not correctly connected.
Connect the battery cable to the
terminal that is always live.
Disc sound skips,
tone quality is low.
Disc is dirty or damaged.
Clean CD or change another CD.
Mounting angle is over 30 o .
Adjust mounting angle to less than 30 .
o
Installable mounting .
Mount the unit securely with the
mounting parts.
Sound skips due
to vibration.
Error Display Messages
Disc is not CD or contains no MP3 files.
Disc mechanism error
：
Press button to eject the disc.
In case that the disc cannot be
ejected by pressing button,
press the RESET switch and press
the button again.
If still not ejecting consult your
dealer.
Disc upside down.
Recovery error, check the disc.
MP3 error, check the disc.