Epson Projector Emp 7700 User Manual

							 When the Indicators Provide No Help - 79
·The image is 
disturbed.
·Noise appears
Has the cable been connected correctly?
see page 26, 36Is the selected resolution correct?
Align the computer with the signals supported by the projector. Refer 
to the computer’s instruction manual for details on how to amend the 
signals.
see page 26
Has the [Sync., Tracking and Position] been adjusted?
The image can be adjusted by regulating the [Tracking] and [Sync] 
buttons on the projector while monitoring the image on screen. 
Adjustments can also be made by opening the [Menu].
see page 50
, 66
Has the cable length been extended?
There are cases where noise will occur if the cable length is extended.
Has the signal format setting for the image been set correctly?
·In the case of computer images:
Set the signal format with [Menu] − [Video] − [Resolution]. There are 
cases where the image signals being input cannot be determined in 
the [Auto] mode.
see page 66
·In the case of video images:
Select the video signal format with [Menu] − [Video] − [Video Signal]. 
There are cases where the video image signals being input cannot be 
determined in the [Auto] mode.
see page 67
Are the settings under [Menu] [Settings] [BNC] correct for your 
system?
·For computer images:
Set to [RGB]. 
see page 30
 
·For video images:
For component video signals, set to either [YCbCr] or [YPbPr] 
depending on your input signal.
see page 37
, 38
For RGB Video signals, set to [RGB]. 
						

							80 - When the Indicators Provide No Help
The image is cut up (Large)/Small
The image color is bad
·The image is cut 
up
·The image is small
There is a possibility that the [Resize] setting has not been correctly 
selected.
Press the [Resize] button.
see page 55
Has the [Position] been adjusted?
Adjust with [Menu] − [Video] − [Position].
see page 66
Is the selected resolution correct?
Align the computer with the signals supported by the projector. Refer 
to the computer’s instruction manual for details on how to amend the 
signals.
see page 26
Amend the resolution for note-type and liquid crystal type 
computers.
Either amend the resolution so that the display fills the entire screen, 
or set the image signals so that only external output is possible.
see page 26
Has the image brightness been correctly adjusted?
see page 66
Have the cables been connected correctly?
see page 26
, page 36Has the contrast been correctly adjusted?
see page 66
Has the color setting been correctly adjusted?
see page 69
Have the color density and tint been correctly adjusted?
(The display on the computer monitor or  the liquid crystal screen will 
not always match up with the tint of the image, but this is not an 
abnormality.)
see page 66
Is it time to replace the lamp?
If the Lamp Indicator is blinking, it means that the time to replace the 
lamp is drawing near. When the time to replace the lamp draws near, 
the image will appear dark and the tint will deteriorate. In this event, 
replace the lamp with a new one.
see page 86
For component video signal input, are the settings under [Menu] 
[Settings] [BNC] correct for your system? 
For component video signals, set to either [YCbCr] or [YPbPr] 
depending on your input signal.
see page 37
, page 38 
						

							 When the Indicators Provide No Help - 81
The image is dark
No sound
Is it time to replace the lamp?
If the Lamp Indicator is blinking, it means that the time to replace the 
lamp is drawing near. When the time to replace the lamp draws near, 
the image will appear dark and the tint will deteriorate. In this event, 
replace the lamp with a new one.
see page 86
Has the image brightness been correctly adjusted?
see page 66
Has the contrast been correctly adjusted?
see page 66
Has the sound input been connected correctly?
see page 32, page 36Has the image for which sound is required been selected?
see page 42
Is sound being emitted from connected equipment?
Confirm the sound from connected equipment, etc.
Has the volume been turned right down?
see page 61
Has the [A/V Mute] function been left on?
There is a possibility that the [A/V Mute] mode is in effect.
Press the [A/V Mute] button, adjust the volume, or display the menu 
to cancel the [A/V Mute] status.
see page 54 
						

							82 - When the Indicators Provide No Help
The remote control will not work
Cannot end (after the [Power] button has been pressed)
Point
If an abnormality remains after checking the results of the above inspections, disconnect 
the Power Plug from the socket and consult with your dealer.
Is the [R/C ON OFF] switch on the remote control on?
see page 41
Is the remote control being aimed in the correct direction?
The operable range of the remote control unit is 30° to the left and 
right, and 15° up and down.
see page 21
Is the distance between the remote control and the projector too 
great?
The operable distance of the remote control unit is approximately 
10m.
see page 21
Is the remote control receiver connected and the remote control 
being aimed at the projector?
Is the light-receiving area on the remote control blocked?
Has the remote control light-receiving area been subject to direct 
sunlight, flourescent light or any other strong light source?
Have the batteries been mounted in place?
see page 21
Have the batteries run out?Have the batteries been mounted back to front?
see page 21
Is the Operation Indicator illuminated in orange?
The projector has been designed so that the Operation Indicator is not 
extinguished even when the power has been switched off.
The Operation Indicator will be extinguished when the Power Plug 
has been disconnected from the socket.
The fan will not cease operations.
The cool-down process (to allow the projector lamp to cool down; the 
operation indicator will blink in orange) will be performed after the 
power has been switch off by pressing the [Power] button. The 
operation indicator will be illuminated in orange when this has been 
completed, so remove the power plug from the socket at this point.
*The amount of time required for the cool-down process will depend 
on the external temperature.
Power
FreezeA/V MuteE-ZoomR/C ON
OFF31524EnterEsc
OFF 
						

							 Cleaning the Projector, Cleaning the Lens, Cleaning the Air Filter - 83
Maintenance
This section provides explanations on taking care of the projector, replacing consumable items and other maintenance procedures.




 
Cleaning the Projector, Cleaning the Lens, 
Cleaning the Air Filter
Clean the projector if it becomes soiled or if the quality of the projected images deteriorate. 
Please clean the air filter about every 100 hours of operation.
Switch off the power supply and disconnect the Power Cord prior to cleaning any part of the 
projector. 
Wa r n i n g
·Personnel other than qualified servicemen must never open the projector. Many high-voltage 
parts are contained inside the cover that may cause electric shocks. Contact your dealer or your 
nearest address provided at page 96 to request internal inspections, repairs, adjustments, 
cleaning and other tasks.
·Exercise caution when handling the Power Plug and Power Connector. Mishandling may 
result in the outbreak of fire and electric shocks. Observe the following when handling the 
Power Plug.
·Do not connect plugs or connectors that have become dirty or have foreign matter adhering to 
them.
·Ensure that the plugs and connectors are firmly inserted in the relevant sockets as far as they 
will go.
·Never attempt to connect plugs and connectors with wet hands.
Caution
·Never attempt to remove the lamp immediately after use. 
Failure to observe this may result in burns or other injuries. Turn off the projector and allow 
the lamp to cool down for at least 60 minutes first. 
·Disconnect the Power Plug and Power Connector from their sockets when carrying out main-
tenance tasks. Failure to observe this may result in electric shocks. 
						

							84 - Cleaning the Projector, Cleaning the Lens, Cleaning the Air Filter
Cleaning the projector
·Gently wipe the soiled parts of the projector with a soft cloth. 
·When the soiling is severe, wipe the area with a cloth moistened with a medium-strenth 
cleaning agent diluted with water, and then gently wipe it with a dry cloth. 
Never use wax, Benzene, thinner or other active agents. Failure to observe this may result in 
damage or paint peeling from the casing.
Cleaning the lens
Clean the lens with an air-blower (available on the open market) and special lens cleaning 
paper. The surface of the lense is easily damaged, so exercise extreme caution and avoid using 
anything other than soft materials.
Cleaning the Air Filter
Air ventilation will deteriorate and the internal temperature of the projector will rise if the Air 
Filter becomes blocked with dirt and dust, and this may result in damage.
Ensure that the projector is stood on its end and the Air Filter cleaned with a vacuum cleaner to 
prevent the dirt and dust from penetrating inside.
Point
·If it is no longer possible to remove the dirt from the Air Filter or it begins to crack, it is time 
to replace it. Contact your dealer in this event.
·A replacement air filter is packaged with the replacement lamp. Replace the Air Filter at 
the same time as replacing the lamp. 
						

							 Replacing the Air Filter - 85




 
Replacing the Air Filter
Replacement method 
1Switch off the power supply, allow the projector to cool down, and then disconnect the 
Power Cord. The amount of time required for the projector to cool down will depend 
on the surrounding temperature.
2Remove the Air Filter.
Point
Ensure that the projector is stood on its end when replacing the Air Filter to prevent the dirt 
and dust from penetrating inside.
3Set a new Air Filter in place.
Point
·Insert the clips before pressing on the catch to set the air filter in place.
·Dispose of used air filters in accordance with waste regulations in your community. 
						

							86 - Replacing the lamp




 
Replacing the lamp
Replace the lamp at the following times (model number: ELPLP12).
When a message stating [Lamp Replace] is displayed for thirty seconds after 
the start of projection
When the lamp indicator is blinking in orange
When the brightness and picture quality has deteriorated below the initial 
levels
Point
·Replace the lamp when it will not light up even if it is not time for replacement.
·Replace the lamp as quickly as possible after the message has been displayed to main-
tain the initial brightness levels and picture quality.
·The replacement message has been set at approximately 1,400 hours of use in order to 
maintain the initial brightness levels and picture quality. Although the replacement mes-
sage is displayed after approximately 1,400 of use, there are cases where the individual 
characteristics of each lamp and other usage conditions result in it not lighting up before 
this 1,400 hours has elapsed. For this reason, always prepare a replacement lamp well in 
advance.
·Replacement lamps are available from Epson OA Supplies Inc. 
Order your lamps from your nearest Epson dealer.
Wa r n i n g
If the lamp should break, handle the shards very carefully to avoid injury, and contact your 
dealer or your nearest address provided at page 96 to request repairs.
Lamp Replace
Computer
A/V mute
Resize PowerThe lamp indicator will blink in orange. 
						

							 Replacing the lamp - 87
Replacement method 
1Switch off the power supply, allow the projector to cool down, and then disconnect the 
Power Cord.
The amount of time required for the projector to cool down will depend on the surround-
ing temperature.
2Remove the lamp cover only after the lamp has cooled sufficiently. 
·It will take at least 60 minutes for the lamp to cool sufficiently.
·Loosen the screw fixing the lamp cover in place with the screwdriver provided with the 
replacement lamp. Pull the right-hand side of the lamp cover slightly forwards to release 
the hook, slide it to the left and then remove the entire cover.
3Withdraw the lamp.
Loosen the two screws holding the lamp in place, and then pull the lamp out towards you.
4Attach a new lamp.
Align the direction, push the lamp in as far as it will go, and then secure it in place with 
the two screws.
Avoid an open/close 
angle exceeding 15 
degrees when pulling the 
cover forward. The use of 
excessive force may result 
in the clip on the hook 
bending. 
						

							88 - Replacing the lamp
5Attaching the lamp cover.
First attach the hook on the left side of the lamp cover, and then the right. Snap the cover 
into place and secure with the screw.
Point
·Attach the lamp and lamp cover firmly. The power will not be reinstated unless the lamp 
and lamp cover are set firmly in place.
·A replacement Air Filter is packaged with the replacement lamp. Replace the Air Filter at 
the same time as replacing the lamp.
·Ensure that the lamp illumination time is reset in accordance with the following procedure 
after the lamp has been replaced with a new one.
Resetting the lamp illumination time
1 Press the [Help] button for five or more consecutive seconds.
The screen for resetting the lamps illumination time will be displayed after the help menu 
has been displayed.
2Select [Yes]
Press the [Tracking +, -] on the main unit (lower the [Enter] button on the remote control 
unit) and select [Yes].
3Execution
Press the [  (Enter)] button on the main unit or the [Enter] button on the remote control 
unit to execute the process.
Video Computer
A/V mute
ResizeEsc Help
Menu
Tracking TrackingSync
Sync
Shift
Keystone
Volume Power
Help
Help
EscMenu
Comp1
P in P PresetVideoComp2/BNCHelp
- Volume +
AutoResize
Reset Lamp ON Time
Do you reset the Lamp ON Time?
Ye sNo
:Select :Execute