Problem Guide - Hitachi DZ-MV580A Service Manual

Troubleshooting > Problem Guide

4-3 Problem Guide

Check the following before judging that DZ-MV580A/MV550A is faulty.
Symptom
Battery cannot be charged.
Battery weakens fast.
The CHARGE indicator on
AC adapter/charger is
blinking.
Power turns off immediately
after being turned on.
Power goes off unexpectedly.
Power cannot be turned off.
Power supplies
Is the DC power cord connected to AC adapter/charger?
Unplug it. If the DC power cord is connected, the AC adapter/charger will not
enter the charge status.
Is the battery abnormally hot?
Remove the battery from AC adapter/charger, leave it as is until it cools down,
and then charge it again.
Has the battery been unused for a long time?
Remove the battery from AC adapter/charger, and then reattach it. If the
battery is still not charged, it may be dead: Purchase a new one.
* * * * * If the battery does not charge after you try the above four procedures, it may
be dead: Purchase a new battery.
Is the ambient temperature is too low or high?
Always charge the battery at 50 - 86°F (10 - 30°C.)
Are you using the DZ-MV580A/MV550A where the temperature is low?
A fully charged battery may be discharged sooner than usual at low
temperatures. Keep extra batteries on hand.
Battery may be dead: Replace with a new one.
The performance of battery will deteriorate if it is used for an extended period of
time or frequently.
Is the ambient temperature is too low or high?
Always charge the battery at 50 - 86°F (10 - 30°C.)
The battery may be over-discharged.
Continue charging: The CHARGE indicator will change to a steady light, and
the battery will be charged normally.
Is battery charged?
Charge it.
Is Power Save specified "On"?
The specifications state that the powered DZ-MV580A/MV550A automatically
turns off if it is left for as long as 5 minutes without performing recording or
playback, with "Power Save: On" specified. Set the power switch to "POWER
OFF", and then turn DZ-MV580A/MV550A on again. To stop automatic power
off, specify "Power Save: Off".
Execute system reset (disconnect the battery or AC adapter/charger, and then
use a fine tipped pen, etc. to hold down the RESET button for several seconds).
Then connect a battery or AC adapter/charger and make sure the DZ-MV580A/
MV550A accepts operation.
System reset will return the date/time and all items set using menu (except for
LCD settings) to the defaults at the factory. After recovery, reset the date/time
and each setting item as required.
4 - 5
Cause and Correction