Sony MZ-DH10P Operating Instructions Manual page 57

Others
Symptom
The player does not work or works
poorly.
The display window is not normal.
When using with the AC power
adaptor, the display window
remains faintly lit even when the
player is not operating.
Case and/or corrective action
 The rechargeable battery is not charged. Charge the
rechargeable battery.
 The volume is low. Turn up the volume.
 No disc is inserted. Insert a recorded disc.
 The HOLD function is turned on. On the player, disable HOLD
by sliding the HOLD switch to the opposite direction of the
arrow (  page 13).
 The lid is not firmly closed. Close the lid until it clicks. Then
slide OPEN to open the lid.
 Moisture has condensed inside the player if the player is
brought directly from a cold to a warm location. Take the disc
out and leave the player in a warm place for several hours until
the moisture evaporates (  page 63).
 The AC power adaptor is not firmly connected. Connect the
AC power adaptor firmly to the DC IN 6V jack on the battery
charging stand.
 The rechargeable battery is weak ("LOW BATTERY" flashes
or nothing appears). Charge the rechargeable battery (  page
14), or use the supplied AC power adaptor.
 The disc is damaged or does not contain proper recording or
editing data. Reinsert the disc. Rerecord the disc. If the error
message still appears, replace it with another disc.
 There is a built-in malfunction in the system. While operating,
the player received a mechanical shock, too much static,
abnormal power voltage caused by lightning, etc. Disconnect
all the power sources and the dedicated USB cable. Leave the
player for about 30 seconds and connect the power source.
 The player was disconnected from the power source. Let the
player sit for a while, or disconnect the power source, reconnect
it, and then press any of the operation buttons.
 The display window lights up when charging of the
rechargeable battery reaches approximately 80% and stays lit
until charging reaches 100% (  page 14).
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