Read Panasonic PT-LW375 / PT-LW335 / PT-LB425 / PT-LB385 / PT-LB355 / PT-LB305 (serv.man3) Service Manual online
INF-15
SECTION 1 SERVICE INFORMATION
<LW375/LW335/LB425/LB385/LB355/LB305>
Note
f
If the warning indicator <WARNING> persists to light or blink after taking these measurements such as turn off the projector,
unplug the power cord, please repair it.
f
If the power indicator <ON(G)/STANDBY(R)> persists to light or blink in orange after taking these measurements such as turn
off the projector, unplug the power cord, please repair it.
98 - ENGLISH
Power indica-
tor <ON(G)/
STANDBY(R)>
Warning
indicator
<WARNING>
Status
Cause
Solution
Orange
Lighting
Off
The projector detects an
abnormal condition and
cannot be turned on.
(Warning)
--
f
If the projector is turned
off, unplug the AC power
cord and repair it.
Lighting
Lighting
There is a problem in the
contrast shutter circuit for iris.
(Warning)
--
f
Turn off the projector,
unplug the AC power
cord and repair it.
Blinking
Blinking
The lamp or the power
supply for the lamp detects
an abnormal condition, the
projector cannot be turned
on. (Warning)
f
Have you turned on the
power again immediately
after turning it off?
f
Wait a while until the
luminous lamp cools
off, and then turn on the
power.
f
There is a problem in
the lamp circuit. Have
the source voltage been
changed? (Drop)
f
Turn off the projector,
and unplug the AC power
cord, and repair it.
Blinking
Off
Internal temperature is high.
(Warning)
When the internal
When the internal
temperature rises further
*1
is displayed
on the screen, after a while
the projector can be turned
off automatically.
f
Is the air intake/exhaust
port blocked?
f
Is the room temperature
high?
f
clogged?
f
Remove any objects
that are blocking the air
intake/ exhaust port.
f
Install the projector in a
location with an ambient
temperature of 5 °C (41
°F) to 40 °C (104 °F).
f
Do not use the projector
at high altitudes of
2 700 m (8 858') or
higher above sea level.
f
replace it.
*1
is displayed due
down.
and
repair it.
repair it.
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