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6-1. Remove the screw and disconnect the grounding wire from the shield case of the power/ballast unit.
6-2. Disconnect the connectors from the sound out PWB.
6-3. Take out the bimetal socket.
6-4. Remove the two screws and detach the lamp socket.
6-5. Remove the three screws and detach the power unit.
6-6. Remove the screw and slide the bimetal assembly upward out of position.

6-5

6-1

6-2

6-3

6-3

6-6

6-4

Bimetal Ass'y

Sound Out PWB

Power/Ballast Unit

7-2

7-2

7-1

7-3

7-4

7-2

7-2

Optical Mechanism Unit

AC Inlet Unit

7-1. Remove the two screws off the optical mechanism intake fan.
7-2. Remove the eight screws and take out the optical mechanism unit.
7-3. Remove the screw and disconnect the grounding wire.
7-4. Disconnect the connector and detach the AC inlet unit.

The internal
temperature is
abnormally high.

The lamp does
not light up.

The POWER
indicator flashes
in red when the
projector is on.

· Blocked air intake.

· Clogged air filter.
· Cooling fan breakdown.
· Internal circuit failure.

· Burnt-out lamp.
· Lamp circuit failure.

· The bottom filter cover is

open.

· Relocate the projector to an area with

proper ventilation.

· Clean the filter.
· Take the projector to your nearest Au-

thorized Sharp Industrial LCD Products
Dealer or Service Center for repair.

· Carefully replace the lamp.
· Take the projector to your nearest Au-

thorized Sharp Industrial LCD Products
Dealer or Service Center for repair.

· Securely install the bottom filter cover.

TEMPERATURE
WARNING indicator

LAMP REPLACE-
MENT indicator

POWER indicator

• As the usage environment can vary significantly, the projector lamp may not operate for 1,500 hours.

•Reset the lamp timer only after replacing the lamp.

Plug the power cord into the AC
socket of the projector.

While pressing 

"

,

| 

and

ENTER on the projector,press
POWER ON on the projector.

“LAMP 0000H ” is displayed,
indicating that the lamp timer is
reset.

* The M3 mirrors have a coating

wedge (for different film thick-
ness).  Set up these mirrors, with
their markings positioned as
shown above, so that their
coated faces and both sides be
in the correct directions.

B-LCD

G-LCD

GREEN

BLUE

BLUE

RED

R-LCD

Dichroic coating
(B transmission)

Incident polarizing plate R

Dichroic coating
(R transmission)

AL-coated mirror R

AL-deposited face

(R reflection) 

Marking

Dichroic coating
(R, G transmission)

Marking

G reflector

Dichroic coating

B/G reflector

AL-coated mirror W

AL-deposited
face

Fly-eye lens (outgoing light)

Fly-eye lens (incoming light)

UV-IR coating

UHP lamp

(Light source)

Relay lens 1

UV-absorption-filter

AL-deposited face

AL-coated mirror B

Projection Lens

 AL-coated mirror B

Cross dichroic prism

Incident polarizing plate B

Relay lens 1

Relay lens 2

Incident polarizing plate G

Condenser lens G

PBS aperture

Condenser lens R

PBS(polarization
      beam splitter)

1/2

λ

 plate + polarizing plate

1/2

λ

 plate

Sapphire glass
Polarizing plate

1/2

λ

 plate

Sapphire glass
Polarizing plate

Sapphire glass
Polarizing plate