Troubleshooting - Sharp WA-MP50H Operation Manual

Troubleshooting

WA-MP50H
WA-MP55H
ENGLISH
Many potential "problems" can be resolved by the owner with-
out 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 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 correctly plugged in?
When the buttons are pressed, the unit does not re-
spond.
" Is there playable audio data on the unit?
" Is the unit in the hold mode?
" Is the battery exhausted?
" Is the unit connected to a PC with the USB cable?
Sound skipping or loss.
" Is the battery exhausted?
The operation is unstable whilst the PC and the unit are
connected.
" Are you using the USB cable that was purchased sep-
arately?
" Is the unit correctly connected to the PC? (See page
11.)
E-45
WA-MP50_55H TINSZA051SJZZ
The USB connection display does not appear.
" Is the unit correctly connected to the PC? (See page
11.)
The FM radio makes unusual noises continuously.
" Is a TV or computer near the unit?
The display is difficult to see.
" Is the display contrast too low or too high? (See page
41.)
! Resetting the unit
If the unit does not work properly, reset it as follows.
The unit may work properly.
1 Disconnect the USB cable.
2 Remove the battery.
3 Leave the unit completely unpowered for approxi-
mately 30 seconds.
4 Insert the battery.
5 Operate the unit.
If the unit still does not work properly, do as follows:
1 Disconnect the USB cable.
2 Remove the battery.
3 Holding down the POWER button, connect the unit to
a PC.
4 Keep holding the POWR button and from the "Start"
menu, click "All Programs", "WA-MP100_50 Audio
player" and then "Firmware Download" to start the
update tool.
5 Release the POWER button.
6 Proceed to the firmware update procedure (see page 44).
7 Insert the battery.
8 Operate the unit.
05/6/24 WA-MP50_55H_SEEG_E.fm