Panasonic PT-DZ21K2 Operating Instructions Manual page 186

f If you loosen the lamp unit cover fixing screw with the projector installed upward in the vertical direction, the
lamp unit cover may open on its weight and may drop off. Support the lamp unit cover with your hand when
you loosen the lamp unit cover fixing screw.
ii) Hold the lamp unit cover securely and slide it in the direction of the arrow, and then remove it by pulling it out
backwards.
f Since the fan and other components are attached to the lamp unit cover, handle the removed lamp unit
cover with care.
3) Pull out the lamp case.
i) Use a Phillips screwdriver to turn the lamp case fixing screws (x2 each) on the side where the lamp unit to be
replaced has been attached counterclockwise until they turn freely. (Fig. 2)
f Do not remove the black screws other than the lamp case fixing screws.
f If you loosen the lamp case fixing screws with the projector installed upward in the vertical direction, the
lamp case may drop off on its weight. Take extra care by holding the lamp case handle when loosening the
lamp case fixing screws.
ii) Hold the handle of the lamp case on the side where the lamp unit to be replaced has been attached and pull
out the lamp case backwards. (Fig. 3)
f When pulling out the lamp case, make sure that the projector is stable, and perform the replacement in a
safe place even if you drop it accidentally.
4) Remove the lamp unit. (Fig. 4, Fig. 5)
i) Use a Phillips screwdriver to turn the lamp unit fixing screws (x2) counterclockwise until they turn freely, and
then remove the lamp unit from the lamp case.
f Hold the handles of the lamp unit and remove it straight.
f Do not remove screws other than the lamp unit fixing screws.
Attaching the lamp unit
Groove for the guide to attach the lamp case
Lamp case handle
1) Attach the lamp unit.
f Slowly insert a new lamp unit into the lamp case. Attach the lamp unit so that the guide pins fit into the
guide holes of the lamp unit.
f If you are having difficulty attaching the lamp unit, remove it first and then push it in again slowly. Pushing it
in quickly or forcibly may break the connector.
2) Use a Phillips screwdriver to firmly tighten the lamp unit fixing screws (x2 each).
f Make sure to attach the lamp unit securely.
186 - ENGLISH
Chapter 5 Maintenance — Maintenance/replacement
Guide to attach the lamp case
Lamp case L Lamp case R
Lamp case fixing screw
Fig. 1
Fan power connector
(a)
i)
(b)
ii)
Fig. 2