NEC DT100 User Manual - Page 48

Troubleshooting

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Ofrecido por www.electromanuales.com Troubleshooting If you think a fault has occurred, check the following table and take the required action. Problem Projector does not turn on Check These items • The power cable is disconnected. • The lamp unit cover has not been replaced. The projector lamp does not light. • The lamp is blown. • The air filter has not been replaced. • The temperature inside your projector is too high. For protection, the See Page E-18 E-45 E-45 E-47 E-43 No picture lamp does not light. • The lamp usage time has exceeded 1500 hours. • Selected input device is not connected. • Cable from input device not connected correctly. • "Brightness" or "Contrast" in the "Image adjustment" menu is set E-45 E-26 E-19, E-25 E-34 Picture is distorted. fully to the negative side. • Check the functions of the personal computer. • Your projector is not positioned correctly. E-21 E-18 • The keystoning is set. E-32 Picture is blurred • Focus not adjusted. • The projection distance should be within the limit of the lens' focal range. E-27 E-17 Image jitter • The keystoning is set. • Adjust the PHASE under "Sync adjustment" menu. • Press the AUTO SYNC button of the remote control and perform "Sync E-32 E-34 E-14 adjustment". Picture shifts. • Is the setting in the "Sync adjustment" menu correct? E-34 Color shift No sound • Adjust the PHASE under "Sync adjustment" menu. • The volume control is set fully to the negative side. E-34 E-35 Cabinet emits cracking sound • Cracking sounds are emitted when the cabinet expands or shrinks - slightly due to changes in temperature. These sounds do not affect performance. Alarm indicator is lit or blinking. • Follow the procedure described in Protection from Overheating. • The air filter is missing. E-43 E-47 Remote control does not operate. • Batteries exhausted or worn out. • The remote control sensor is radiated by other lights such as lighting. E-15 E-9, E-10 • The remote control sensor on your projector is obscured. •Inverter equipment is near. E-9, E-10 E-15 E-48

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E-48
See Page
Troubleshooting
If you think a fault has occurred, check the following table and take the required action.
Problem
Projector does not turn on
E-18
E-45
The projector lamp does not light.
E-45
E-47
E-43
E-45
No picture
E-26
E-19, E-25
E-34
E-21
Picture is distorted.
E-18
E-32
Picture is blurred
E-27
E-17
E-32
Image jitter
E-34
E-14
Picture shifts.
E-34
Color shift
E-34
No sound
E-35
Cabinet emits cracking sound
-
Alarm indicator is lit or blinking.
E-43
E-47
Remote control does not operate.
E-15
E-9, E-10
E-9, E-10
E-15
Check These items
•
The power cable is disconnected.
•
The lamp unit cover has not been replaced.
•
The lamp is blown.
•
The air filter has not been replaced.
•
The temperature inside your projector is too high. For protection, the
lamp does not light.
•
The lamp usage time has exceeded 1500 hours.
•
Selected input device is not connected.
•
Cable from input device not connected correctly.
•
"Brightness" or "Contrast" in the "Image adjustment" menu is set
fully to the negative side.
•
Check the functions of the personal computer.
•
Your projector is not positioned correctly.
•
The keystoning is set.
•
Focus not adjusted.
•
The projection distance should be within the limit of the lens' focal
range.
•
The keystoning is set.
•
Adjust the PHASE under "Sync adjustment" menu.
•
Press the
AUTO
SYNC
button of the remote control and perform "Sync
adjustment".
•
Is the setting in the "Sync adjustment" menu correct?
•
Adjust the PHASE under "Sync adjustment" menu.
•
The volume control is set fully to the negative side.
•
Cracking sounds are emitted when the cabinet expands or shrinks
slightly due to changes in temperature. These sounds do not affect
performance.
•
Follow the procedure described in Protection from Overheating.
•
The air filter is missing.
•
Batteries exhausted or worn out.
•
The remote control sensor is radiated by other lights such as
lighting.
•
The remote control sensor on your projector is obscured.
•
Inverter equipment is near.