Sharp PG-A20X (serv.man9) Service Manual ▷ View online
20
PG-A20X
RESETTING THE TOTAL LAMP TIMER
Resetting the Lamp Timer
Reset the lamp timer after replacing the lamp.
1
Connect the power cord.
Plug the power cord into the AC socket
of the projector.
of the projector.
2
Reset the lamp timer.
While simultaneously holding down
and
on the projector, press
and
on the projector.
“LAMP 0000H” is displayed, indicating
that the lamp timer is reset.
that the lamp timer is reset.
Info
Make sure to reset the lamp timer only
when replacing the lamp. If you reset the
lamp timer and continue to use the same
lamp, this may cause the lamp to become
damaged or explode.
when replacing the lamp. If you reset the
lamp timer and continue to use the same
lamp, this may cause the lamp to become
damaged or explode.
AC socket
AUTO SYNC
button
button
ON button
Volume
buttons
buttons
●
Resetting the total lamp timer
When replacing the lamp, reset the total lamp timer in the procedure below.
When replacing the lamp, reset the total lamp timer in the procedure below.
■
The warning lights on the projector indicate problems inside the projector.
■
If a problem occurs, either the temperature warning indicator or the lamp replacement indicator will illumi-
nate red, and the power will turn off. After the power has been turned off, follow the proce-duresgiven
below.
nate red, and the power will turn off. After the power has been turned off, follow the proce-duresgiven
below.
■
Replacing the Air Filter
Maintenance indicator
Condition
Problem
Possible Solution
Temperature
warning
indicator
Normal
Abnormal
Off
Red on/
Standby
Standby
The internal
temperature is
abnormally high.
temperature is
abnormally high.
Abnormal
Blocked air intake
Relocate the projector to an area
with proper ventilation.
with proper ventilation.
Cooling fan break-
down
Internal circuit failure
Clogged air intake
down
Internal circuit failure
Clogged air intake
Take the projector to your nearest
Sharp Authorized Projector Dealer
or Service Center for repair.
Sharp Authorized Projector Dealer
or Service Center for repair.
Lamp
indicator
Red on/
Standby
Standby
The lamp does
not illuminate.
not illuminate.
Burnt-out lamp
Lamp circuit failure
Lamp circuit failure
Carefully replace the lamp.
Take the projector to your nearest
Sharp Authorized Projector Dealer
or Service Center for repair.
Please exercise care when
replacing the lamp.
Take the projector to your nearest
Sharp Authorized Projector Dealer
or Service Center for repair.
Please exercise care when
replacing the lamp.
Red on
Time to change
the lamp
the lamp
Remaining lamp life
becomes 5% or less.
becomes 5% or less.
Power
indicator
The power
indicator blinks
in red when the
projector is on.
indicator blinks
in red when the
projector is on.
The filter/lamp unit
cover is open.
cover is open.
Securely install the cover.
If the power indicator blinks even
when the filter/lamp unit cover is
securely installed, contact your
nearest Sharp Authorized Projec-
tor Dealer or Service Center for
advice.
If the power indicator blinks even
when the filter/lamp unit cover is
securely installed, contact your
nearest Sharp Authorized Projec-
tor Dealer or Service Center for
advice.
Green on/
Red on
Red on
Red blinks
Green on
Green
blinks when
the lamp is
warming up
or shutting
down.
1
2
3
Tab
This projector is equipped with air fil-
ters to ensure the optimal operating
condition of the projector.
The air filters should be cleaned every
100 hours of use. Clean the filters more
often when the projector is used in a
dusty or smoky location.
Ask your nearest Sharp Authorized Pro-
jector Dealer or Service Center to ex-
change the filter (PFILDA008WJZZ)
when it is no longer possible to clean.
ters to ensure the optimal operating
condition of the projector.
The air filters should be cleaned every
100 hours of use. Clean the filters more
often when the projector is used in a
dusty or smoky location.
Ask your nearest Sharp Authorized Pro-
jector Dealer or Service Center to ex-
change the filter (PFILDA008WJZZ)
when it is no longer possible to clean.
Cleaning and Replacing
the Air Filter
the Air Filter
Press
STANDBY
on the projector
or
STANDBY
on the remote control to
put the projector into the
standby mode.
standby mode.
Wait until the cooling fan stops.
Disconnect the power cord.
Unplug the power cord from the AC
socket.
socket.
Remove the filter/lamp unit
cover.
cover.
Turn the projector over. Loosen the user
service screw (
service screw (
1
) that secures the fil-
ter/lamp unit cover. Pressing the tab
(
(
2
), remove the filter/lamp unit cover
(
3
).
4
3
2
1
Remove the air filter.
Pick the air filter up with your fingers and
lift it out of the filter/lamp unit cover.
lift it out of the filter/lamp unit cover.
STANDBY button
Air filter
(not removable)
(not removable)
STANDBY
button
button
User service screw
Air filter
Air filter
(not removable)
(not removable)
"
"
"
"
"
Bottom view
"
"
"
"
"
Rear view
AC socket
5
Clean the air filter.
Clean the dust off the air filter and cover
with a vacuum cleaner extension hose.
with a vacuum cleaner extension hose.
6
Replace the air filter.
Place the air filter underneath the tabs
on the filter/lamp unit cover.
on the filter/lamp unit cover.
7
Replace the filter/lamp unit
cover.
cover.
Align the tab on the filter/lamp unit cover
(
(
1
) and place it while pressing the tab
(
2
) to close it. Then tighten the user
service screw (
3
) to secure the filter/
lamp unit cover.
Note
Be sure the filter/lamp unit cover is
securely installed. The power will not turn
on unless it is correctly installed.
If dust or dirt has collected inside the rear
and bottom air filters (not removable), clean
the filter with a vacuum cleaner extension
hose.
securely installed. The power will not turn
on unless it is correctly installed.
If dust or dirt has collected inside the rear
and bottom air filters (not removable), clean
the filter with a vacuum cleaner extension
hose.
1
2
3
Tab
User service screw
Display
