Troubleshooting - Sony LMD-A240 Operating Instructions Manual

Submenu Setting
[Password Lock] You can protect the setting with a
password so that the settings saved in
the color temperature for [User1] and
the User Preset for [User Preset1]
cannot be changed.
When you protect the values with a
password, set a four-digit number.
The initial password is 0000. When you
use [Password Lock], change the initial
password first.
[Color Temp/User Pre.]: Select [On]

to protect the setting values
saved in the color temperature
for [User1] and the User Preset
for [User Preset1]. Select [Off]
to not protect by the password.
[Change Password]: Changes the

password.

Troubleshooting

This section may help you isolate the cause of a problem
and as a result, eliminate the need to contact technical
support.
The unit cannot be operated  The key protection

function works. Set the [Key Inhibit] setting to [Off] in
the [Security] menu.
Or, a function that does not work is assigned to a
function button. When the menu is not displayed,
press the menu selection control to confirm the
functions assigned to function buttons.
 The black bars appear at the upper and lower or left
and right positions of the display  When the
signal aspect ratio is different from that of the panel,
the black bars appear. This is not a failure of the unit.
Adjustments and settings cannot be made 

Adjustments and settings may not be possible
depending on the input signals and the status of the
unit. See "Input Signals and Adjustable/Setting Items"
(page 9).
The screen becomes dark and the unit turns off

 If the internal temperature of the unit increases,
the screen may become dark and the unit may turn off.
In this case, refer to Sony qualified service personnel.
The monitor is also automatically turned off by the
auto power-off function if a no input-signal state
continues for 60 minutes. To turn the monitor back on,
press the  (Power) switch or cut off the power supply
and turn it on again. To change the settings, see [Auto
Power Down] (page 20) of [System Setting] in the
[User Configuration] menu.
The unit does not turn on when the DC power

supply is connected  If the DC input power voltage
is high, the unit may not turn on because of the
protection circuit. Confirm the DC power voltage.
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Troubleshooting