Sony PSP-1003 - Manual (Page 138)

138 Troubleshooting
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.
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 (
page 103).
, Check the Auto Sleep setting. If it is turned on, the screen will turn dark
after the set period of time ( page 104).
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 ( page 37).
The black, red, blue and green spots on the screen do not
disappear.
, LCD screens are made with highly precise technology, but in some cases,
black spots may appear, or red, blue or green spots may remain on the
screen. This is not a malfunction. For details, see "Precautions"
(
page 11).
The Home Menu background colour has changed.
, If "Theme" is set to "Original", the background colour automatically
changes at the beginning of each month ( page 101). The system is set to
"Original" at the time of purchase.
Screen