Sony PlayStation Portable PSP-1007 Instruction Manual page 140

The power indicator is on, but the LCD screen is not displayed.
, Check that the LCD screen's backlight is not turned off. If it is, press any
of the system buttons to turn on the backlight.
The battery loses its charge even when the system is turned off.
, Because battery power is used even when the system is turned off, it is
recommended that you charge the battery frequently.
Screen
The screen suddenly turns dark.
, Check the Backlight Auto-Off setting. If it is set to on, the backlight will
turn off after the set period of time. Press any of the system buttons to turn
on the screen (
, Check the Auto Sleep setting. If it is turned on, the screen will turn dark
after the set period of time (
The screen is dark and hard to see.
, The screen may appear dark, depending on the angle of viewing. Use the
display button on the system front to adjust the brightness (
Black or continuously lit pixels on the screen do not disappear.
, LCD screens are made with highly precise technology, but in some cases,
black (dark) pixels or continuously lit pixels may appear on the screen. This
is not a system malfunction. For details, see "Precautions" (
The color of the screen does not look right.
, If "Theme" is set to "Original", the background color automatically changes
at the beginning of each month (
"Original" at the time of purchase.
140 Troubleshooting
page 105).
page 106).
page 103). The system is set to
page 36).
page 9).