Samsung SP-A600B - Manual (Page 33)

Troubleshooting 4-1
Screen and
External
Source Cannot see picture images. Be sure that the power cord of the projector is connected.
Be sure that the proper input source is selected.
Check that the connectors are properly connected to the ports
at the back of the projector.
Check the Remote Control batteries.
Be sure that the <Color>, <Brightness> settings are not at their
lower limit.
Poor color. Adjust the <Tint> and <Contrast>.
Images are not clear. Adjust the focus.
Check that the projection distance is either too far or too near
to the screen.
Strange noise. If a strange sound continues, contact our Service Center.
The operating LED is lit up. Refer to Corrective Actions According to LED Indications.
Lines appear on screen. Because noise may occur when using your PC, adjust the fre-
quency of the screen.
No external device screen is displayed. Check the operating status for the external device and check
whether the adjustment items, such as the Brightness and the
Contrast have been changed correctly in the <Mode> com-
mand screen of the Projector menu.
Only blue screen appears. Be sure to properly connect the external devices. Check the
connection cables again.
Screen appears in black and white or odd
color./ screen is too dark or bright. As mentioned above, check the adjustment items such as the
<Brightness>, <Contrast > and <Color> in the menu.
Check <Color Pattern> in the OSD menus.
If you want to restore various settings to their factory defaults,
run <Factory Default>from the menu.
Symptoms
Troubleshooting