JVC Kaboom ! Series RV-B550BU - Manual (Page 26)

26
MAINTENANCE
Cleaning the lens
If the lens in the CD pickup is dirty, dropout, etc., could degrade sound.
Open the CD door and clean the lens as shown.
÷ Use a blower (available from a camera store) to blow dust off the lens.
÷ If there are fingerprints, etc. on the lens, gently wipe clean with a cotton
swab.
Cleaning is important!
When the tape is running, magnetic powder and dust naturally accumulate
on the heads, capstan and pinch roller. When they become too dirty...
÷ Sound quality deteriorates.
÷ The output sound level drops.
÷ Previously recorded tape is not completely erased.
÷ Recording is not performed satisfactorily.
Therefore, you should clean the heads, etc. after every 10 hours of use
for optimal recording conditions.
Cleaning the heads, capstan and pinch roller
Open the cassette holder.
Clean the heads, pinch roller and capstan.
For effective cleaning, use a cleaning kit available from an audio store.
After cleaning, be sure that the cleaning fluid has dried completely before
loading a cassette.
Cautions:
1. Keep magnets and metallic objects away from the head.
If the head becomes magnetized, noise will increase and the sound
will deteriorate. Demagnetize the head every 20-30 hours of use with
a head eraser (available from an audio store). (When demagnetizing
the head, the
button should be set to STANDBY.)
2. Do not use anything other than alcohol for cleaning.
Thinner and benzine will damage the rubber pinch roller.
Capstan shaft(s)
Pinch roller(s)
Record/play head Erase head
Blower
Lens