Troubleshooting - Sharp MD-DR470H Operation Manual

Troubleshooting

Many potential "problems" can be resolved by the owner without calling a service technician. If something seems to be wrong
with this product, check the following before calling your authorised SHARP dealer or service centre.
The unit does not turn on.
" Is the AC adaptor disconnected?
" Is the battery exhausted?
" Is the unit in the hold mode?
" Has condensation formed inside the unit?
" Is the unit being influenced by mechanical shock or
by static electricity?
No sound is heard from the earphones.
" Is the volume set too low?
" Is the remote control unit or the earphones plugged
in?
" Are you trying to play a MiniDisc with data on it in-
stead of a MiniDisc containing music?
When the operation buttons are pressed, the unit
does not respond.
" Is the unit in the hold mode?
" Is the battery exhausted?
" Is the remote control unit plug or the earphones plug
inserted firmly?
Some sounds are skipped.
" Is the battery exhausted?
" Is the unit being subjected to excessive vibration?
The MiniDisc cannot be ejected.
" Has the track number or character information been
written on the disc yet?
" Is the unit in the recording or editing mode?
Recording and editing are impossible.
" Is the MiniDisc protected against accidental era-
sure?
" Has the recording level been properly adjusted?
" Is the unit connected properly to the other equip-
ment?
" Is the AC adaptor unplugged or did a power failure
occur whilst recording or editing?
" Is the unit in the hold mode?
" Is an optical signal being output from the stereo sys-
tem? Read the operation manual for the stereo sys-
tem.
The battery cannot be charged.
" Is the rechargeable battery in the unit?
Group functions cannot be used with the group-re-
corded MD.
" TOC information may have been changed with other
equipment.
02/12/18 MDDR470_SEEG_E.fm
MD-DR470H
ENGLISH
E-60