Panasonic PT-A900E Panduan Petunjuk Pengoperasian - Halaman 31
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Halaman Cetak
Before calling for service
Before calling for service, check the following points.
Problem
B The mains lead may not be connected.
Power does not
turn on.
B The MAIN POWER switch is turned off.
B The main power supply is not being supplied to the
mains socket.
B TEMP indicator is illuminated or flashing.
B LAMP indicator is illuminated or flashing.
B The lamp unit cover has not been securely
installed.
B The video signal input source may not be
No picture
appears.
connected properly.
B The input selection setting may not be correct.
B The "BRIGHT" adjustment setting may be at the
minimum possible setting.
B The "SHUTTER" function may be in use.
The picture is
B The lens cover may still be attached to the lens.
fuzzy.
B The lens focus may not have been set correctly.
B The projector may not be at the correct distance
from the screen.
B The lens may be dirty.
B The projector may be tilted too much.
The colour is
B "COLOUR" or "TINT" adjustment may be incorrect.
pale or grayish.
B The input source which is connected to the
projector may not be adjusted correctly.
B The batteries may be weak.
The remote
control unit
B The batteries may not be inserted correctly.
B The remote control signal receptor on the projector
does not
operate.
may be obstructed.
B The remote control unit may be out of the
operation range.
The picture does
B The signal format ("TV-SYSTEM") may not be set
not display
correctly.
B There may be a problem with the video tape or
correctly.
other signal source.
B A signal which is not compatible with the projector
may be being input.
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Possible cause
Page
Problem
Picture from
–
computer does
–
not appear.
–
54
55
–
–
27
44
Cleaning and maintenance
34
Before carrying out cleaning and maintenance, be
–
sure to disconnect the mains plug from the mains
27
socket.
19
Wipe the cabinet with a soft, dry cloth.
–
If the cabinet is particularly dirty, soak the cloth in water with a small amount
19
of neutral detergent in it, squeeze the cloth very well, and then wipe the
44,
cabinet. After cleaning, wipe the cabinet dry with a dry cloth. If using a
45
chemically-treated cloth, read the instructions supplied with the cloth before
–
use.
Do not wipe the lens with a cloth that is dusty or which produces lint.
If any dust or lint gets onto the lens, such dust or lint will be magnified and
–
projected onto the screen. Use a blower to clean any dust and lint from the
25
lens surface, or use a soft cloth to wipe off any dust or lint.
25
25
46
–
64
Possible cause
B The cable may be too long.
B The external video output for the laptop computer
may not be set correctly.
(You may be able to change the external output
settings by pressing the [Fn]+[F3] or [Fn]+[F10]
keys simultaneously. The actual method varies
depending on the type of computer, so refer to the
documentation provided with your computer for
further details.)
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NGLISH