Sony VPL-PX21, Operating Instructions Manual

Page: 35 / 124

35
(GB)
Troubleshooting
Sound
Symptom
Cause
Remedy
No Sound. Cable is disconnected or not connected
properly. Check that the proper connections have been
made
(see pages 15 (GB) to 18 (GB)).
The sound is cut off. Press the AUDIO MUTING key to release the
muting function
(see page 19 (GB)).
When inputting sound through
AUDIO jack, sound comes
through one channel only. Monaural sound is being input through
the AUDIO jack.
Input stereo sound.
Others
Symptom
Cause Remedy
The LAMP/COVER indicator
flashes. The lamp cover or the air filter cover is
detached.
Attach the cover securely (see pages 32 (GB) and
33 (GB)).
The LAMP/COVER indicator
lights up. The lamp has reached the end of its life. Replace the lamp
(see page 32 (GB)).
The lamp becomes a high temperature. Wait for 120 seconds to cool down the lamp and
turn on the power again
(see page 19 (GB)).
The TEMP/FAN indicator
flashes. The fan is broken.
Consult with qualified Sony personnel.
The TEMP/FAN indicator
lights up. The internal temperature is unusually
high.
Check to see if nothing is blocking the ventilation
holes.
Warning messages
Use the list below to check the meaning of the messages displayed on the screen.
Message
Caution messages
Use the list below to check the meaning of the messages displayed on the screen.
Message
Meaning Remedy
High temp.!
Lamp off in 1 min. Internal temperature is too high. Turn off the power.
Check to see if nothing is blocking the ventilation
holes.
Frequency is out of range! This input signal cannot be projected as
the frequency is out of the acceptable
range of the projector. Input a signal that is within the range of the
frequency.
The resolution setting of the output
signal of a computer is too high. Set the setting of output to the XGA (see page 15
(GB)).
NO INPUT No input signal Check connections
(see page 15 (GB) to 18 (GB)).
Not applicable! You have pressed the wrong key. Press the appropriate key.
Please check INPUT-A
setting. You have input RGB signal from the
computer when INPUT-A in the SET
SETTING menu is set to COMPONENT,
DTV YP
B
P
R
or DTV GBR.
Set INPUT-A correctly
(see page 26 (GB)).
Meaning Remedy
SPEAKER OFF
SPEAKER in the SET SETTING menu
has been set to OFF.
Set SPEAKER to ON if necessary (see page 26
(GB)).
Both LAMP/COVER and
TEMP/FAN indicators light up.
The electric system failed.
Consult with qualified Sony personnel.
Please replace the LAMP. It is time to replace the lamp. Please replace the lamp.