33
Maintenance
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32
About lamp
Maintenance
The product’s light source is a mercury lamp that lights at increased internal pressure. Be sure
to fully understand the following characteristics of the lamp and handle it with extreme care.
• The lamp may burst with a loud noise due to impact or deterioration, or fail to light at
the expiration of its life.
• How long it takes before the lamp bursts or the life expires may vary greatly by lamp.
Some may burst shortly after first use.
• Burst is likely to happen if the lamp is used after the replacement period has elapsed.
• When the lamp bursts, the broken pieces of glass may get inside the product or be
released outside from the openings for ventilation.
• When the lamp bursts, a slight amount of mercury gas enclosed in the lamp along with
glass dust may be released from the openings for ventilation.
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Immediately replace the lamp when a sign appears on the screen.
• When the replacement time approaches, a message will appear on the screen.
• The risk of burst will increase if the lamp is continuously used without being replaced.
• Frequently check the used hours and prepare spares when the replacement time
approaches. (Refer to “Status display”.
p.32
)
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When the lamp is broken
• If glass components, including a lamp and a lens, should break, handle the broken
pieces with care to avoid injury and contact your dealer for repair service.
• In the event of lamp burst, unplug the product from the wall outlet, leave and completely
ventilate the room. Then, thoroughly clean the area around the projector and discard
any edible items placed in that area.
Lamp replacement
A lamp is consumable supplies. If used for extended periods, images will appear dark, and
the lamp could burn out. This is characteristic of a lamp, and is not malfunction. (The lifetime
of the lamp depends on condition of use.) If this happens, replace it with a new one.
WARNING
• If the projector is mounted on a ceiling, request a lamp replacement from your projector dealership.
• When replacing, always use lamp “TLPLMT20” (sold separately).
CAUTION
• If you have been using the projector, the lamp will be very hot, and may cause burn injuries.
Wait for the lamp to cool (for longer than 1 hour) before replacing it.
• If the lamp should break, please handle with care to avoid injury due to broken pieces and
contact your dealer for repair service.
■
Displaying Information (Status display)
This displays information about the input signal, lamp use time, etc.
“Yes”: displayed, “No”: not displayed
Item
Description
Computer Y/P
B
/P
R
Video
DVI
S-video
Input
Input source name
Yes
Yes
Yes
Yes
Mode name
RGB input mode
[Note 1]
Yes
No
No
Yes
H-resolution
Horizontal resolution (in dots)
Yes
No
No
Yes
V-resolution
Vertical resolution (in dots)
Yes
No
No
Yes
H-frequency
Horizontal sync frequency
Yes
No
No
Yes
V-frequency
Vertical sync frequency
[Note 2]
Yes
No
No
Yes
Sync
Sync signal polarity
[Note 3]
Yes
No
No
Yes
Signal format
Y/P
B
/P
R
signal format
No
Yes
No
No
Video mode
Color method of video signal
No
No
Yes
No
Lamp time
Time of lamp use
[Note 4]
Yes
Yes
Yes
Yes
Lamp reset count The count for lamp replacement
Yes
Yes
Yes
Yes
Total time
The total time that this projector is used
Yes
Yes
Yes
Yes
Version
Firmware version
[Note 5]
Yes
Yes
Yes
Yes
Notes
1: The mode of supported RGB signals
p.39
is shown.
2: Same as the refresh rate of the computer signal.
3: Sync signal polarity shown as P (positive) or N (negative) for [H/V].
4: Displays [Lamp time] as a measure of when the lamp should be replaced. (Cannot be used as
a counter of guaranteed lamp time.) When the displayed time approaches 2,000 hours, consult
with a store about getting a TLPLMT20 replacement lamp (sold separately) prepared.
5: [Version] shows the version of the projector’s internal control program. This version is referred
to for customer service, etc.
Note
• The displayed information will not be refreshed if the status changes. To refresh the
information, dismiss the display, then display it again.
Using the menu (Continued)
Summary of Contents for TDP-MT400
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