Troubleshooting - Sharp IM-DR420H Operation Manual

1-bit portable minidisc recorder
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Troubleshooting

IM-DR420H
ENGLISH
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?
" Are the earphones plugged in?
" Are you trying to play a MiniDisc with data on it instead
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 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?
E-51
IM-DR420H TINSZ0964AWZZ
Recording and editing are impossible.
" Is the MiniDisc protected against accidental erasure?
" Is the unit connected properly to the other equipment?
" Is the AC adaptor unplugged or did a power failure oc-
cur 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 system.
The operation is unstable whilst the PC and the unit are
connected.
" Are you using the USB cable that was purchased sep-
arately?
The display does not show anything or malfunctions.
" Is the PC out of order?
" Are you using another application with this programme
simultaneously?
Editing is not possible.
" Are the PC and the MD portable recorder connected
improperly?
" Is the MD recorder in the hold mode?
" Is a commercial playback-only MD inserted?
03/7/21
IM-DR420H_SEEG_E.fm

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