Troubleshooting

Troubleshooting

If you encounter a problem during operation, press the HELP key to display the help messages.

You can get these kinds of help messages:

Image: A menu is not displayed. Colors are not correct.

Sound: Sound is not output correctly.

Other: The indicator lights up/flashes.

If you still have a problem after consulting the help messages, please check the following. If the problem persists, contact your Sony dealer.

Power

Symptom

Cause

Remedy

The power is not turned on.

The power has been turned off and on

Wait for about 120 seconds before turning on the

 

with the I / 1 key at a short interval.

power (see page 19 (GB)).

 

 

 

 

The lamp cover is detached.

Close the lamp cover securely (see page

 

 

32 (GB)).

 

The air filter cover is detached.

Close the air filter cover securely (see page

 

 

33 (GB)).

 

 

 

Image

Symptom

Cause

Remedy

No picture.

Cable is disconnected or not connected

Check that the proper connections have been

 

properly.

made (see pages 15 (GB) to 18 (GB)).

 

Input selection is incorrect.

Select the input source correctly using the INPUT

 

 

key (see page 19 (GB)).

 

 

 

 

The picture is cut off.

Press the PIC MUTING key to release the muting

 

 

function (see page 19 (GB)).

 

The computer signal is not set to output

Set the computer signal to output to external

 

to external monitor.

monitor (see page 15 (GB)).

 

The computer signal is set to output to

Set the computer signal to output only to external

 

both the LCD of the computer and

monitor (see page 15 (GB)).

 

external monitor.

 

 

 

 

The picture is noisy.

Noise may appear on the background

Change the desktop pattern on the connected

 

depending on the combination of the

computer.

 

numbers of dot input from the connector

 

 

and numbers of pixel on the LCD panel.

 

 

 

 

On-screen display does not

STATUS in the SET SETTING menu has

Set STATUS in the SET SETTING menu to ON

appear.

been set to OFF.

(see page 26 (GB)).

 

 

 

34 (GB)

Page 34
Image 34
Sony VPL-PX21 operating instructions Troubleshooting, Power, Image, Symptom Cause Remedy