-12-
Replacing the lamp unit
Maintenance
CAUTION:
• When the projector is mounted on a ceiling, do not work with your
face close to the projector.
• Attach the lamp unit and the lamp cover securely.
• When you experience difficulty in installing the lamp, remove it and
try again. If you use force to install the lamp, the connector may be
damaged.
1) Turn off the projector. Unplug the AC power cord. Wait at least
1 hour and make sure the lamp unit and surroundings are
cool.
2) Use a Phillips screwdriver to loosen the lamp cover fixing
screw and remove the lamp cover.
• Remove the lamp cover by pulling it slowly toward the direction
of the arrow.
3) Use a Phillips screwdriver to loosen the three lamp unit fixing
screws until the screws turn freely. Hold the used lamp unit
by its handles, and pull it gently from the projector.
4) Insert the new lamp unit in correct direction. Tighten the three
lamp unit fixing screws securely with a Phillips screwdriver
5) Attach the lamp cover, and tighten the lamp cover fixing screw
securely with a Phillips screwdriver.
• Attach the lamp cover by pushing it slowly opposite the direction
of the arrow.
Note
• When you replace the new lamp unit, the projector resets the total
usage time of the lamp unit automatically.
Lamp cover
Handle
Lamp unit fixiing screws
Lamp unit
Lamp cover
fixing screw
Lamp unit
Summary of Contents for PT-VX500U
Page 83: ...83 IC Block Diagrams CXA3828GL E S H IC561 TLV320AIC3105 Audio control IC5001...
Page 84: ...84 IC Block Diagrams PW190 Scaler IC301 TB6608FNG IRIS Driver IC601...
Page 85: ...85 IC Block Diagrams SSC9512S Power Switching IC604 PIC32MX695F512H Netwrok IC8801...
Page 86: ...86 IC Block Diagrams TPS54286 DC DC converter IC7811 STR A6079 Power switching IC603...
Page 116: ......