Chapter 5Maintenance — Maintenance/replacement

How to replace the lamp unit

Attention

ff When the projector is mounted on the ceiling, do not conduct work while your face is near the lamp unit. ff Do not remove or loosen the screws other than specified ones when replacing the lamp unit.

Note

ff When you replace the lamp unit with new one, the projector resets the runtime of the lamp unit automatically.

ff You will feel a jam when removing or attaching the lamp case, but that is because of the stopper for drop prevention and not a problem.

Removing the lamp unit

WARNING

When replacing the lamp unit with the projector installed upward in the vertical direction, make sure to hold the lamp unit cover while loosening the lamp unit cover fixing screw.

The lamp unit cover may open and drop off on its weight, causing a serious accident or injury.

Lamp unit cover fixing

 

 

 

screw

 

Lamp unit 3

Lamp unit 1

 

 

Lamp unit 4

Lamp unit 2

Lamp unit cover

 

Lamp case L

Lamp case R

 

 

 

 

 

Lamp case handle

Fig. 1

 

 

Fig. 3

Lamp case handle

 

Lamp case handle

Lamp unit handle

Lamp case L

Lamp case R

Guide pin and guide hole

 

 

Lamp case fixing screw

Lamp unit fixing screw

 

 

Lamp unit

 

Lamp unit

 

 

Fig. 2

Fig. 4

 

1)Set the <MAIN POWER> switch to <OFF> and disconnect the power plug from the power outlet.

ff Wait at least one hour and check if the lamp unit has cooled down.

2)Remove the lamp unit cover. (Fig. 1)

i)Use a Phillips screwdriver to turn the lamp unit cover fixing screw (x1) counterclockwise until it turns freely, and open the lamp unit cover slowly in the direction of the arrow.

ff Opening the lamp unit cover quickly may result in damage to the cover.

ff If you loosen the lamp unit cover fixing screw with the projector installed upward in the vertical direction, the lamp unit cover may open and drop off on its weight.

ENGLISH - 147