XV-Z90E (serv.man29). Chapter 5 - Maintenance troubleshooting — Sharp Projector User Guide / Operation Manual

Model
XV-Z90E (serv.man29)
Pages
7
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744.75 KB
Type
PDF
Document
User Guide / Operation Manual
Brand
Device
Projector / Chapter 5 - Maintenance troubleshooting
File
xv-z90e-sm29.pdf
Date

View Sharp XV-Z90E (serv.man29) User Guide / Operation Manual online

Maintenance &
Tr
oubleshooting
-44
Lamp/Maintenance Indicators
Problem
• Blocked air intake.
• Clogged ventilative hole.
• Cooling fan breakdown.
• Internal circuit failure.
• Burnt-out lamp.
• Lamp circuit failure.
• Lamp has been used for
over 2,400 hours.
Maintenance Indicator
TEMPERATURE
WARNING indicator
LAMP REPLACE-
MENT indicator
Condition
The internal
temperature is
abnormally high.
The lamp does not
light up.
The lamp requires
replacement.
Possible Solution
• Relocate the projector to an area with proper
ventilation.
• Clean the ventilative holes.
(See page 49.)
• Take the projector to your nearest Sharp
Authorised Projector Dealer or Service
Centre for repair.
• Carefully replace the lamp. (See page 46.)
• Take the projector to your nearest Sharp
Authorised Projector Dealer or Service
Centre for repair.
Maintenance Indicators
• The warning lights on the projector indicate problems
inside the projector.
• There are two types of warning lights: a TEMPERATURE
WARNING indicator that warns you when the projector
is too hot, and a LAMP REPLACEMENT indicator that
warns you when to change the lamp.
• If a problem occurs, either the TEMPERATURE
WARNING indicator or the LAMP REPLACEMENT
indicator will illuminate in red. After turning off the
power, follow the procedures given below.
• If the TEMPERATURE WARNING indicator lights up, follow the above possible solutions and then wait until the projector has
cooled down completely before turning the power back on. (At least 5 minutes.)
• If the power is turned off and then turned on again, for example during a brief rest, the LAMP REPLACEMENT indicator may
be triggered, preventing the power from going on. Should this occur, unplug the power cord from the wall outlet and plug it
back in again.
TEMPERATURE
WARNING
indicator
POWER
indicator
LAMP
REPLACEMENT
indicator
TEMP.
LAMP
POWER
Maintenance &
Tr
oubleshooting
-45
Confirming the Lamp Usage Time
Lamp Maintenance
The lamp in this projector operates for approximately 2,500 cumulative hours, depending on the usage environ-
ment. (As the usage environment can vary significantly, the projector lamp may not operate for 2,500 hours.) It is
recommended that the lamp be replaced after approximately 2,400 cumulative hours of use or when you notice a
significant deterioration of the picture and colour quality. The lamp usage time can be checked with the On-screen
Display.
CAUTION
• Intense light hazard. Do not attempt to look into the aperture and lens while the projector is operating.
This function allows you to check the accumulated lamp
usage time.
1 Press MENU. The “Picture” menu screen appears.
2 Press  /  to display the “Options” menu screen.
The lamp usage time will be displayed in “Lamp
Timer”.
3 To exit the menu screen, press MENU.
• It is recommended that the lamp be replaced after
approximately 2,400 cumulative hours of use. See page 46
for lamp replacement.
On-screen Display
Problem
• Lamp has been used for over 2,400
hours.
• Lamp has been used for over 2,500
hours.
Possible Solution
• Purchase a replacement lamp unit
(lamp/cage module) of the current
type BQC-XVZ90+++1 from your
nearest Sharp Authorised Projector
Dealer or Service Centre.
• Replace the lamp. (See page 46.) If
you wish, you may have the lamp
replaced at your nearest Sharp
Authorised Projector Dealer or
Service Centre.
Condition
The LAMP REPLACEMENT
indicator illuminates in red, and
“LAMP” and “ ” will blink in yellow
in the lower-left corner of the image.
A significant deterioration of the
picture and colour quality occurs.
The power will automatically turn off
and the projector will enter standby
mode.
“LAMP” and “ ” will blink in red in
the lower-left corner of the image,
and the power will turn off.
1,3
2
Maintenance &
Tr
oubleshooting
-46
Replacing the Lamp
It is recommended that the lamp be replaced after approximately 2,400 cumulative hours of use or when you
notice a significant deterioration of the picture and colour quality. Carefully change the lamp by following the steps
on the next page.
If the new lamp does not light after replacement, take your projector to the nearest Sharp Authorised Projector
Dealer or Service Centre for repair. Purchase a replacement lamp unit (lamp/cage module) of the current type
BQC-XVZ90+++1 from your nearest Sharp Authorised Projector Dealer or Service Centre. Then carefully change
the lamp by following the instructions on the next page. If you wish, you may have the lamp replaced at your
nearest Sharp Authorised Projector Dealer or Service Centre.
CAUTION
• There is potential glass particles hazard if the lamp ruptures. In case of lamp rupture, contact your
nearest Sharp Authorised Projector Dealer or Service Centre for replacement.
• Do not remove the lamp cage directly after operation of the projector. The lamp may be extremely
hot. Wait at least one hour after the power cord is disconnected to allow the surface of the lamp
cage to fully cool down before removing the lamp cage.
Maintenance &
Tr
oubleshooting
-47
Replacing the Lamp
• Be sure to remove the lamp cage by the handle. Do not touch the glass surface of the lamp cage or the inside of the
projector.
• To avoid injury to yourself and damage to the lamp, carefully follow the steps below.
• Replace the lamp after turning off the power and unplugging the power cord.
Removing and installing the lamp unit
CAUTION
Turn off the power.
Unplug the power cord.
4
6
Loosen the user service
screw that secures the
lamp cage cover.
5
Slide the lamp cage
cover in the direction
of the arrow.
1
3
Turn off the power.
2
Unplug the power cord.
Remove the Swivel
Stand. (See page 17.)
Loosen and remove the
three-securing screws
from the lamp cage.
Press POWER OFF. Wait until the
cooling fan stops running.
7
Remove the lamp cage.
User service screws
Insert the new lamp cage
firmly into the lamp cage
compartment.
8
9
Tighten the three-
securing screws to
fasten the lamp cage.
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