Sharp PG-LW3500 Guide d'installation télécharger pdf (Page 70)

Troubleshooting

Problem Check Page

No picture and no sound

or projector does not

start.

• Projector power cord is not plugged into the wall outlet. 22

• Power to the external connected devices is off. –

• The selected Input mode is wrong. 29

• The AV Mute function is working. 29

• Cables are incorrectly connected to the projector. 20–24

• Remote control battery has run out. 13

• External output has not been set when connecting a notebook computer.

• The lamp unit cover is not installed correctly. 64, 65

Sound is heard but no

picture appears

(or picture is dark).

• Cables are incorrectly connected to the projector. 20–24

• “Bright” is set to minimum position. 43

• Depending on the computer you are using, an image may not be

projected unless the signal output setting of the computer is switched

to the external output. Refer to the computer's operation manual for

how to switch its signal output settings.

• Is “On” selected in “DLP

Link

”?

–

Dark or bluish image

• Check that “Wall Color” is conﬁgured correctly.

Color is faded or poor.

• Image adjustments are incorrectly set.

• Make adjustments of “Color” and “Tint” in “Picture Mode” and lower the

“BrilliantColor

” value.

(Video Input only)

• Video input system is incorrectly set.

(COMPUTER/COMPONENT Input only)

• Input signal type (RGB/Component) is incorrectly set.

Picture is blurred;

noise appears.

• Adjust the focus. 26

• The projection distance exceeds the focus range. 17

• There is fog on the lens. If the projector is carried from a cold room into a

warm room, or if it is suddenly heated, condensation may form on the surface

of the lens and the image will become blurred. Set up the projector at least

one hour before it is to be used. If condensation should form, remove the

power cord from the wall outlet and wait for it to clear.

–

(Computer Input only)

• Perform “SIG-ADJ” Adjustments (“Clock” and “Phase” Adjustment)

• Noise may appear depending on the computer.

–

Picture appears but no

sound is heard.

• Cables are incorrectly connected to the projector. 20–24

• Volume is set to minimum.

• When the projector is connected to an external device and the volume

is set to minimum, the sound is not output even if you turn up the

volume of the external device.

• “Speaker” is set to “Off”.

• The Audio Mute function is working.

Data image is not

centered.

• Make the necessary adjustments of each item in the “SIG-ADJ” menu. 45

• Depending on the computer you are using, the output resolution signal

may be different from the one you have set. For details, refer to the

operation manual of the computer.

–

An unusual sound is

occasionally heard from

the cabinet.

• If the picture is normal, the sound is due to cabinet shrinkage caused

by room temperature changes. This will not affect operation or

performance.

–

1 2 ... 65 66 67 68 69 70 71 72 73 74 75 76 77

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