Panasonic PT-VZ570 Service Manual page 27

SECTION 1 SERVICE INFORMATION
5. 3. 3. Notes on the replacement of the lamp unit
Warning
Do not replace the lamp unit when it is hot. (Wait at least 1 hour after use.)
The inside of the cover can become very hot, take care to avoid burn injuries.
• The luminous source of the lamp is made of glass and may burst if you hit it against a hard surface or drop it.
Please handle with care.
• A Phillips screwdriver is required for replacement of the lamp unit
• When replacing the lamp unit, be sure to hold it by the handle.
• When replacing the lamp because it has stopped illuminating, there is a possibility that the lamp may be broken. If replacing
the lamp of a projector which has been installed on the ceiling, you should always assume that the lamp is broken, and you
should stand to the side of the lamp cover, not underneath it. Remove the lamp cover gently. Small pieces of glass may fall
out when the lamp cover is opened. If pieces of glass get into your eyes or mouth, seek medical advice immediately.
• The lamp may be ruptured. Care should be taken not to scatter pieces of the broken lamp glass when replacing the lamp
unit. Pieces of the broken lamp may fall from the lamp unit especially when the projector is mounted on the ceiling, so when
replacing the lamp unit do not stand directly underneath it or position your face close to it.
• The lamp contains mercury. Consult your local municipality or your dealer about correct disposal of used lamp units.
5. 3. 4. Replacement procedure for lamp unit
Attention
• When the projector is mounted on a ceiling, do not work with
your face close to the projector.
• Do not loosen other than designated screws.
• Attach the lamp unit and the lamp cover securely.
1) Turn off the projector and disconnect the power plug from
the power outlet.
• Wait at least one hour and check if the lamp unit has cooled
down.
2) Use a Phillips screwdriver to loosen the lamp cover fixing
screw (×1) until it turns freely and remove the lamp cover.
• R emove 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 (×3) until they turn freely.
4) Hold the used lamp unit by its handles, and pull it gently
from the projector.
5) Insert the new lamp unit in correct direction. Tighten the
three lamp unit fixing screws (×3) securely with a Phillips
screwdriver.
• When you experience difficulty in installing the lamp unit,
remove it and try again. If you use force to install the lamp unit,
the connector may be damaged.
6) Attach the lamp cover. Tighten the lamp cover fixing screw
(×1) securely with a Phillips screwdriver.
• Perform Step 2) in the reverse order to attach the lamp cover.
Note
• When you replace the lamp unit with new one, the projector
resets the runtime of the lamp unit automatically
Fig. 1
Fig. 2
INF-21
Lamp cover
Lamp cover
fixing screw
Lamp unit fix-
ing screws
Handles