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E-71
Maintenance &
Troubleshooting
Troubleshooting
Check
• Keylock level is set to “Level A” or “Level B”, preventing operation of some or all
buttons. (See page
58
.)
• Register GyroRemote once again the projector. (See page
37
.)
• When the GyroRemote is connected to the projector with wired remote control cable,
confirm the position of the IR/Gyro switch. (See page
38
.)
• When the projector is set to slave, use the buttons on the master projector or change the
setting by RS-232C commands from the computer. (See page
58
.)
• When using slave setting in combination with Keylock Level B, all the buttons on the
projector and the GyroRemote are disabled. Use the SAPS or RS-232C commands to
release slave and Keylock setting and enable buttons to operate.
Without a computer, you can release slave and Keylock setting by entering the buttons
on the projector as follows.
ON
→
ENTER
→
ON
→
ENTER
→
ON
→
ENTER
→
MENU
However, this operation also releases the password set.
• Projector power cord is not plugged into the wall outlet.
• The bottom filter cover is not securely installed.
• Selected input is wrong. (See page
39
.)
• Cables incorrectly connected to rear panel of the projector. (See pages
13
–
18
.)
• GyroRemote batteries have run down. (See page
11
.)
• Cables incorrectly connected to rear panel of the projector. (See pages
13
–
18
.)
•“Contrast” and “Bright” adjustments are set to minimum position. (See page
47
.)
• On-screen Display (“BLACK SCREEN”) is turned off and Black Screen function is turned
on, creating a black image. (See page
40
.)
•“Color” and “Tint” adjustments are not correct. (See page
47
.)
• Adjust the focus. (See page
21
.)
• Projection distance is too long or too short to allow for proper focus. (See pages
22
–
28
.)
• Cables incorrectly connected to rear panel of the projector. (See pages
13
–
18
.)
• Volume is set to minimum. (See page
39
.)
• OSD Display is set to “Level A” or “Level B”, preventing to display some or all On-screen
Displays. (See page
54
.)
• If the picture is normal, the sound is due to cabinet shrinkage caused by temperature
changes. This will not affect operation or performance.
• Refer to “Lamp/Maintenance Indicators” on page
67
.
• Adjust the “Phase” setting. (See page
49
.)
• Noise may appear when used with certain computers. Set the NOISE FILTER to ON
using the RS-232C command. (See pages
73
–
75
.)
• Set the resolution mode to 480P. (See page
50
.)
• Change the input signal type. (See page
47
.)
• Align the mark on the lens with the corresponding mark on the projector, push the lens
firmly in place, and rotate to the right.
For SHARP Assistance (U.S.A. only)
If you encounter any problems during setup or operation of this projector, first refer to the “Troubleshooting”
section on this page. If this operation manual does not answer your question, please call toll free 1-888-GO-
SHARP (1-888-467-4277) for further assistance. Or, send us an e-mail at lcdsupport@sharplcd.com .
Our World Wide Web address is http://www.sharplcd.com .
Problem
Power cannot be turned on or
off using the POWER buttons
(ON/OFF) on the projector.
Cannot be operated by
GyroRemote.
Cannot be operated by all
buttons of the projector and
GyroRemote.
No picture and no sound.
Sound is heard but no picture
appears.
Color is faded or poor.
Picture is blurred.
Picture appears but no sound
is heard.
No OSD appears.
An unusual sound is occasion-
ally heard from the cabinet.
Maintenance indicator lights
up.
Picture noise appears.
480P images do not appear.
Image is green on INPUT 1 or
2 COMPONENT.
Image is pink (no green) on
INPUT 1, 2 RGB.
Lens comes off.