Panasonic PT-52DL52, Service Manual

Page: 166 / 189

Replacing the lamp unit
Lamp unit replacement period
The lamp unit f
or
the projection
TV should be replaced after appro
ximately
5,000 hours of use in the nor
mal
usage
mode
.
• W
a
rning displa
y after 5,000 hours of use
When the po
w
er
has been tur
ned
of
f after o
v
er
5000 hours of
contin
ued
use
,
LAMP REPLA
CE
will be displa
y
ed
for
appro
ximately
1 min.
The ne
xt time the po
w
er is tur
ned on.
A w
a
rning
message to urge the replacement of the lamp will be
displa
y
ed
in red at the center of the screen.
LAMP
TEMP
R-ST
ANDBY
G-PO
WER ON
PO
WER
Lamp unit
Speak
er g
rille
TEMP
LAMP
PO
WER INDICA
T
O
R
R-ST
ANDBY
G-PO
WER ON
PO
WER SWITCH
LAMP REPLA
CE
Resetting the counter
After replacing lamp
,
please mak
e
sure to undergo belo
w
procedure in order to reset the lamp lif
etime
counter
.
CH
VO
L
V
O
L
CH
A
CTION
V
OLUME
Press do
wn
both V
OLUME
DO
WN
b
utton
on the unit and
A
CTION
b
utton
on the Remote Control at the same time f
or more than 1 second.
When successful, the 3 LED on the set’
s front panel (P
o
w
er
/ Lamp /
T
emper
ature) will
flash
for
5
seconds
.
LAMP
TEMP
R-ST
AND BY
G-PO
WER ON
PO
WER
Impor
tant P
oints to keep in mind
When replacing the lamp unit with a ne
w one
, pa
y attention to the f
ollo
wing points
.
W
arning:
Because the temper
ature
of the lamp unit is ele
v
ated
immediately after its use
,
a direct touch to it ma
y
cause
b
u
rn
s
. Please allo
w the lamp to cool bef
ore handling or replacing the lamp unit.
Cautions f
o
r
Lamp Unit Replacement:
Handle the remo
v
ed old lamp unit carefully
. If ab
using it, it ma
y ha
v
e
a r
isk of e
xplosion.
W
ear glo
v
es
when replacing the lamp unit.
If replacing the lamp unit becomes necessar
y
dur
ing
the oper
ation
of the projection TV
, f
ollo
w
the procedure belo
w
to tur
n
of
f the po
w
er
and w
ait
until the lamp unit cools completely
.
1.
Press the PO
WER b
utton on the remote control unit.
2.
W
a
it
for
about
90 seconds until the cooling f
an
stops
.
* The lamp cooling fan will contin
ue
to operate f
or
about 90 seconds after turning off the po
wer
.
Do not
unplug the po
wer
cor
d
fr
om
the outlet until the fan has stopped.
A
v
oid interrupting the po
wer
line suc
h
as
b
y
using
cir
cuit breaker
s
or
s
witc
hab
le
po
wer
strips.
3.
After the cooling f
an has stopped, tur
n off the MAIN PO
WER s
witch on the front of the projection
TV
.
4.
Unplug the po
w
er
cord from the outlet.
Replacing the lamp unit