Troubleshooting - Sony VPL-SC50U Operating Instructions Manual

Troubleshooting

If the projector appears to be operating erratically, try to diagnose and correct the problem, using the following
guide. If the problem still persists, consult with qualified Sony personnel.
Symptom
The power is not turned on.
No picture and no sound.
No picture or no sound.
No picture.
The picture is noisy.
When inputting sound through
INPUT-A connector, sound
comes through one channel
only.
The picture from the INPUT-A
connector is too bright.
The picture from INPUT-A
connector is colored strange.
On-screen displays do not
appear.
Color balance is incorrect.
The picture is too dark.
The picture is not clear.
Cause
The power has been turned off and on
with the I / u key at a short interval.
The lamp cover is detached.
The air filter cover is detached.
Cable is disconnected.
Wrong connection.
Input selection is incorrect.
Either the picture or the sound is cut off.
The computer signal is not set to output
to external monitor.
The computer signal is set to output to
both the LCD of the computer and
external monitor.
Noise may appear on the background
depending on the combination of the
numbers of dot input from the connector
and numbers of pixel on the LCD panel.
Monaural sound is being input through
the INPUT-A connector.
The 75 termination switch on the
bottom is set to OFF.
The 15k RGB signal is input.
STATUS in the SET SETTING menu has
been set to OFF.
Picture has not been adjusted properly.
Projector is set to wrong color system.
Contrast or brightness has not been
adjusted properly.
Picture is out of focus.
Condensation has occurred on the lens.
Remedy
Wait for about 90 seconds before turning on the
power (see page 21 (EN)) .
Close the lamp cover securely (see page 33 (EN)) .
Close the air filter cover securely (see page
34 (EN)) .
Check that the proper connections have been
made (see pages 18 (EN) to 20 (EN)) .
Check that the proper connections have been
made (see pages 18 (EN) to 20 (EN)) .
Select the input source correctly using the INPUT
key (see page 21 (EN)) .
Press the MUTING keys to release the muting
function (see page 22 (EN)).
Set the computer signal to output to external
monitor (see page 18 (EN)).
Set the computer signal to output only to external
monitor (see page 18 (EN)).
Change the desktop pattern on the connected
computer.
Input stereo sound.
Set the 75 termination switch to ON.
Input the correct signal. This unit does not accept
the 15k RGB signal (see page 28 (EN)) .
Set STATUS in the SET SETTING menu to ON
(see page 29 (EN)) .
Adjust the picture (see pages 25 (EN) and
26 (EN)).
Set COLOR SYS in the PICTURE CTRL menu to
match the color system being input (see page 26
(EN)) .
Adjust the contrast or brightness in the PICTURE
CTRL menu properly (see page 25 (EN)) .
Adjust the focus (see page 22 (EN)) .
Leave the projector for about two hours with the
power on (see page 31 (EN)) .
(Continued)
35
(EN)