Sony VPL-VW10HT Service Manual page 25

Troubleshooting
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.
Power
Symptom
Cause
The power is not turned on. The power has been turned off and on
with the I / 1 key at a short interval.
The lamp cover is detached.
The air filter cover is detached.
Image
Cause
Symptom
No picture. Cable is disconnected or not connected
properly.
Invalid input setting.
Input selection is incorrect.
Picture is cut off.
The computer output signals are not set
to output from an external monitor.
The computer signal is set to output to
both the LCD of the computer and
external monitor.
The picture is noisy. If you input computer signals, some
noise will appear in the background on
certain screens depending on the
number of dots in the input signals and
LCD pixels.
On-screen display does not STATUS in the SET SETTING menu has
appear. been set to OFF.
Remote Commander
Symptom
Cause
The Remote Commander The Remote Commander batteries are
does not work.
dead.
The remote control cable is not
connected to the CONTROL S IN
connector (projector) or CONTROL S
OUT (Remote Commander).
The front/rear remote control detector is
near the fluorescent lamp.
The Remote Commander is used as
wired without batteries.
36
(GB)
Others
Symptom
The LAMP/COVER indicator
flashes.
The LAMP/COVER indicator
lights up.
The TEMP/FAN indicator
flashes.
Remedy
The TEMP/FAN indicator
lights up.
Wait for about 120 seconds before turning on the
power (see page 20 (GB)) . Both LAMP/COVER and
TEMP/FAN indicators light up.
Close the lamp cover securely (see page
34 (GB)) .
Close the air filter cover securely (see page
35(GB)) .
Warning messages
Use the list below to check the meaning of the messages displayed on the screen.
Message
Remedy
Check that the proper connections have been High temp.!
made (see pages 15 (GB) and 16 (GB)) .
Lamp off in 1 min.
Set the INPUT-A/B setting according to the input
signal. Frequency is out of range!
Select the input source correctly using the INPUT
key (see page 18 (GB)) .
Press the MUTING PIC key to release the muting
function (see page 18 (GB)) .
Please check INPUT-A
Set the computer signal to output to external
setting.
monitor (see page 16 (GB)) .
Set the computer signal to output only to external
monitor (see page 16 (GB)) .
Please check INPUT-B
setting.
Change the desktop pattern on the connected
computer.
Set STATUS in the SET SETTING menu to ON
Caution messages
(see page 27 (GB)) .
Use the list below to check the meaning of the messages displayed on the screen.
Message
NO INPUT
Remedy
Not applicable!
Replace with new batteries (see page 14 (GB)) .
Connect the remote control cable to both the
projector and Remote Commander, or disconnect
the cable. (see page 13 (GB)) .
Change the setting of SIRCS RECEIVER in the
SET SETTING menu (see page 27 (GB)) .
Install batteries (see page 14 (GB)) .
Cause Remedy
The lamp cover or the air filter cover is Attach the cover securely (see pages 34 (GB) and
detached. 35 (GB)).
The lamp has reached the end of its life. Replace the lamp (see page 34 (GB)).
The lamp becomes a high temperature. Wait for 120 seconds to cool down the lamp and
turn on the power again (see page 20 (GB)) .
The fan is broken. Consult with qualified Sony personnel.
The internal temperature is unusually Check to see if nothing is blocking the ventilation
high. holes.
The electric system failed. Consult with qualified Sony personnel.
Meaning Remedy
Internal temperature is too high. Turn off the power.
Check to see if nothing is blocking the ventilation
holes.
This input signal cannot be projected as Input a signal that is within the range of the
the frequency is out of the acceptable frequency.
range of the projector.
The resolution setting of the output Set the setting of output to the XGA (see page 16
signal of a computer is too high. (GB)).
You have input RGB signal from the Set INPUT-A correctly (see page 27 (GB)) .
computer when INPUT-A in the SET
SETTING menu is set to COMPONENT,
DTV YP P or DTV GBR.
B R
You have input RGB signal from the Set INPUT-B correctly (see page 27 (GB)) .
computer when INPUT-B in the SET
SETTING menu is set to COMPONENT,
DTV YP P or DTV GBR.
B R
Meaning Remedy
No input signal Check connections (see page 15 (GB) and 16 (GB)) .
You have pressed the wrong key. Press the appropriate key.
Troubleshooting
37
(GB)