Sony Projector VPL-CW255 User Manual

							31Using Network Features
Network
How to operate the Control window
Switching the page
Click one of the Page Switching buttons to 
display the desired setting page.
You can confirm the current settings for the 
projector on the Information page.
You can control the projector from the 
computer on the Control page.
The functions of the keys shown in the 
operation area are the same as those of the 
keys on the supplied Remote Commander.Setting the network password
The log-in screen appears after the Network 
page is selected.
No password is set by default. The user name 
is preset to “root.” Input required 
information after logging in.
Changing the password
Enable: Select to set a new password.
Disable: Select not to change the 
password.
If you forget your password, consult with 
qualified Sony personnel.
Setting the location
Location: Input information on where 
the projector is installed.
Confirming the Information 
regarding the Projector
Operating the Projector from 
a Computer
Page Switching buttons
Information area
Operation area
Making the Network Settings
Note 
						

							32Using Network Features
Set the e-mail report function on the Mail 
Report page. Entered values will not be 
applied unless you click on [Apply].
1Set the e-mail report function.
Enable: Select to activate the e-mail 
report function.
Disable: Select to deactivate the e-mail 
report function.
2Enter the outgoing e-mail address in 
the Send To box then check the Report 
Timing check box of the e-mail report 
to be sent.
A massage will be sent simultaneously 
to secondary recipients by entering their 
e-mail addresses in the CC box.
3Set the timing to send e-mail report.
Over Lamp Usage Time: Tick the box 
to send a report that indicates the time 
for lamp replacement. 
Error: Tick the box to send a report that 
indicates an error occurring.
4Set the mail account for sending e-
mail reports.
User Name: Enter the allocated user 
name. Up to 64 characters can be 
input.
Password: Enter the e-mail password.
SMTP Server: Enter the address of 
outgoing mail server (SMTP). Up to 
64 characters can be input.
5Send the test mail.
Check on the Send test mail check box 
then click on [Apply] to send your test 
mail to the e-mail address you set.
 The e-mail report function is not available 
because the network which Outbound Port25
Blocking is used cannot be connected to the 
SMTP server.
 You cannot use the following characters to 
enter the characters in the text box: “  ”, “ “ 
”, “ & ”, “ < ”, “ > ”
Using the e-mail report 
Function
1
2
345
Notes 
						

							33Indicators
Others
BOthers
Indicators
The indicators allow checking the status and notify you of abnormal operation of the projector.
If the projector exhibits abnormal status, address the problem in accordance with the table 
below.
ON/STANDBY indicator
LAMP/COVER indicator
StatusMeaning/Remedies
Lights in red The projector is in Standby mode.
Flashes in green  The projector is ready to operate after having been turned on. 
 The lamp cools after the projector is turned off.
Lights in green The projector’s power is on.
Lights in orange The projector is in AUTO POWER SAVING (lamp cut off). (page 24)
Flashes in red The projector is in abnormal status. Symptoms are indicated by 
number of flashes. Address the problem in accordance with the 
following. If the symptom is shown again, consult with qualified Sony 
personnel.
Flashes twice The internal temperature is unusually high. Check the items below.
 Check to see if nothing is blocking the ventilation holes.
 Check to see if the air filter is not clogged. (pages 3, 39)
Flashes six times Unplug the AC power cord from a wall outlet. After checking that the 
ON/STANDBY indicator goes out, plug the power cord to a wall 
outlet again then turn on the projector.
Other number of 
flashesConsult with qualified Sony personnel.
StatusMeaning/Remedies
Flashes in red Symptoms are indicated by number of flashes. Address the problem in 
accordance with the following.
Flashes twice  The lamp cover or air filter cover is not attached securely. (pages 37, 
39)
Flashes three times The temperature of lamp is unusually high. Turn off the power and 
wait for lamp to cool then turn on the power again. If the symptom is 
shown again, the lamp may be burnt out. In such a case, replace the 
lamp with a new one (page 37). 
						

							34Messages List
Messages List
When any of the messages listed below appears on the projected image, address the problem in 
accordance with the table below.
MessageMeaning/RemedyPage
High temp.! Lamp off in 
1 min.Check the items below.
 Check to see if nothing is blocking the ventilation holes.
 Check to see if the air filter is not clogged.3, 39
Frequency is out of 
range!Change the output setting of the connected equipment to one 
for signals supported by the projector.44
Please check Input-A 
Signal Sel.Set “Input-A Signal Sel.” to “Auto” or select the input signal 
type to suit to the input signal.24
Please replace the Lamp 
and clean the Filter.Replace the lamp with a new one and clean the air filter. The 
message appears whenever you turn on the power until you 
replace the lamp and reset the lamp timer.37, 39
Not applicable! Invalid key pressed. –
The panel keys are 
locked!“Panel Key Lock” is set to “On.” 24 
						

							35Troubleshooting
Others
Troubleshooting
Before asking to have the projector repaired, try to diagnose the problem, following the 
instructions below.
SymptomRemedyPage
The power is not turned 
on.Check if the AC power cord is firmly connected. –
When the “Panel Key Lock” is set to “On,” you cannot turn on 
the projector using the ?/1 key on the projector.24
If the lamp or lamp cover is not attached securely, the projector 
cannot be turned on.37
No image. Check if the connecting cable is connected to external 
equipment firmly.–
Check if the computer signal is set for output to an external 
monitor. If you set your computer, such as a notebook 
computer, to output the signal to both your computer’s display 
and an external monitor, the picture of the external monitor 
may not appear properly. Set your computer to output the 
signal to only an external monitor.11
Check if the input source is correctly selected. 11
Check if the picture is muted. 5
On-screen display does 
not appear.The on-screen display does not appear when “Status” in the 
MENU SETTING menu is set to “Off.”26
The aspect ratio of the 
display is not right/the 
image is displayed 
smaller /a portion of 
image does not appear.Set “Aspect” manually. 5, 21, 
22
The image is a 
trapezoid.The images become trapezoidal because of the projection 
angle. In such a case, you can correct the trapezoidal 
distortion, using a Keystone feature.5, 14,  
27
When the “V Keystone” is set to “Manual,” the keystone 
feature does not work automatically. Set “V Keystone” to 
“Auto” or “Manual” to set manually. 5, 14, 
27
When the projector is installed on an uneven surface, the 
feature may not work properly. In this case, select “Manual” to 
set “V Keystone” manually.5, 14, 
27
The image is dark/too 
bright.The settings for “Brightness,” “Contrast,” and “Lamp Mode” 
affect brightness of the image. Check if the value is 
appropriate.20, 27
The image will be dark when the lamp is burnt out. Check 
“Lamp Timer,” and replace the lamp with a new one if 
necessary.29
The image is not clear. Check if the projector is in focus. 12
The picture will not be clear if condensation has accumulated 
on the lens. In such a case, let the projector sit for about two 
hours with the power on.– 
						

							36Troubleshooting
The image is noisy. Check if the connecting cable is connected to external 
equipment properly.7
No sound. Check that the connecting cables between the projector and 
external video or audio equipment are securely connected.7
Check if the output setting of connected external audio 
equipment is set to output the audio signal from the projector.–
Check if the connecting cable is connected to external 
equipment firmly.–
Audio is not output if audio muting is activated. 5
Check if “Volume” is not set to minimum. 5, 20
The Remote 
Commander does not 
work.Check that the batteries are installed correctly. –
Check that the batteries are not exhausted. –
The fan is noisy. The sound from the fan is often greater than normal to cool the 
lamp, etc. in the following cases.
 “Lamp Mode” is set to “High.”
 “High Altitude Mode” is set to “On.”
 The unit is used in the location where the temperature is high.27
If the ventilation holes are blocked, the internal temperature of 
the projector rises and the fan noise becomes larger.3
SymptomRemedyPage 
						

							37Replacing the Lamp
Others
Replacing the Lamp
Replace the lamp with a new one if a message displayed on the projected image or the LAMP/
COVER indicator notifies you to replace the lamp (pages 33, 34).
Use an LMP-C240 projector lamp (not supplied) for replacement.
 The lamp remains hot after the projector is 
turned off. If you touch the lamp, you may 
burn your finger. When you replace the 
lamp, wait for at least an hour after 
turning off the projector for the lamp to 
cool sufficiently.
 Do not allow any metallic or inflammable 
objects into the lamp replacement slot after 
removing the lamp, otherwise it may cause 
electrical shock or fire. Do not put your 
hands into the slot.
If the lamp breaks, contact qualified 
Sony personnel. Do not replace the lamp 
yourself.
 When removing the lamp, be sure to pull it 
out straight, by holding the designated 
location. If you touch a part of the lamp other 
than the designated location, you may be 
burned or injured. If you pull out the lamp 
while the projector is tilted, the pieces may 
scatter if the lamp breaks any may cause 
injury.
1Turn off the projector, and disconnect 
the AC power cord from a wall outlet.
2When the lamp has cooled 
sufficiently, open the lamp cover by 
loosening 3 screws. 
You can remove the lamp cover for a 
while when installing on the ceiling.
Take care to prevent the lamp cover from 
falling down, as it is not fixed.
Do not apply pressure to the lamp cover 
while it is open.
Caution
Notes 
						

							38Replacing the Lamp
3Loosen the 3 screws on the lamp then 
pull out the lamp by its grab.
4Insert the new lamp all the way in until 
it is securely in place. Tighten the 
3 screws.
5Close the lamp cover and tighten the 
3 screws.
Be sure to install the lamp and Lamp cover 
securely as it was. If not, the projector 
cannot be turned on.
6Connect the AC power cord to a wall 
outlet and turn on the projector.
7Reset the lamp timer for notification of 
the next replacement time.
Select “Lamp Timer Reset” on the SET 
SETTING  menu then press the ENTER 
key. When a message appears, select 
“Yes” to reset the lamp timer (page 25).
Disposal of the used lamp
For the customers in the USA
Lamp in this product contains mercury. 
Disposal of these materials may be 
regulated due to environmental 
considerations. For disposal or 
recycling information, please contact 
your local authorities or the 
Telecommunications Industry 
Association (www.eiae.org).
Note
Grab
Caution 
						

							39Cleaning the Air Filter
Others
Cleaning the Air Filter
When a message appears on the projected image, clean the air filter (page 34).
If the dust cannot be removed from the air filter even after cleaning, replace the air filter with 
a new one. For details on a new air filter, consult with qualified Sony personnel.
If you neglect to clean the air filter, dust may accumulate, clogging it. As a result, the 
temperature may rise inside the unit, leading to a possible malfunction or fire.
1Turn off the projector, and disconnect 
the AC power cord from the AC outlet.
2Draw out the air filter cover.
If you remove the air filter cover when 
power is turned on and the AC power cord 
is not removed from the AC outlet, avoid 
touching the fan inside the unit, as it may 
cause injury.
3Clean the air filter with a vacuum 
cleaner.
Remove the filter holder to remove the 
air filter.The air filter consists of 2 filters.
4Attach the air filter cover to the unit.
Be sure to attach the air filter cover firmly. 
Incorrect attachment of the cover may 
cause a malfunction.
Caution
Note
Air filter cover
Claws
Air 
filter 
Filter 
holder
Note
Upper filter: Black
Lower filter: Gray 
						

							40Specifications
Specifications
ItemDescription
ModelVPL-CX235/VPL-CW255
Projection system 3 LCD system
Display device Effective display 
sizeVPL-CX235: 0.63 inch (16.0 mm), 3 plate, Aspect ratio 
4:3
VPL-CW255: 0.75-inch (19.1 mm), 3 plate, Aspect ratio 
16:10
Effective picture 
elementsVPL-CX235: 2,359,296 pixels (1024 × 768 pixels, 3 
plate panels)
VPL-CW255: 3,072,000 pixels (1280 × 800 pixels, 3 
plate panels)
Projection lens Focus Manual
Zoom Manual
Light source High-pressure mercury lamp, 245 W type
Projected image 
size40 inches to 300 inches (1.02 m to 7.62 m)
Luminous flux 
(Brightness)VPL-CX235: 4200 lm 
VPL-CW255: 4500 lm 
(when “Lamp Mode” is set to “High”)
Speaker 10 W × 1 (monaural)
Applicable 
scanning 
frequency
*1
Horizontal: 19 kHz to 92 kHz, Vertical: 48 Hz to 92 Hz
Resolution When a computer 
signal is inputMaximum display resolution: 1600 × 1200 pixels (resize)
Panel display resolution: 
VPL-CX235: 1024 × 768 pixels
VPL-CW255: 1280 × 800 pixels
When a video 
signal is inputNTSC, PAL, SECAM, 480/60i, 576/50i, 480/60p, 
576/50p, 720/60p, 720/50p, 1080/60i, 1080/50i
Color system NTSC
3.58, PAL, SECAM, NTSC4.43, PAL-M, PAL-N, 
PA L 6 0