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Troubleshooting
Symptom
No image or sound
Colors are pale.
Tints are poor.
No color
Image is blurred.
Wireless remote control
unit does not function.
The images cannot be
synchronized.
PC Output Signal
The projector has been designed with the RGB signals listed on page 39 in mind. Depending on your PC, the RGB signals output
may be different from the design values. In particular, when the internal LCD panel of the notebook PC and external CRT are set on
simultaneous display, the RGB signal output may be outside the compatible range. In this case, it may not be possible to display the
image normally. Set the PC to external CRT display mode.
En-36
Power cable not plugged in properly.
Wires not connected correctly.
Incorrect setting of input selector.
Brightness adjustment is set on minus (–).
Incorrect arrangement of pins on cable used.
No sound without image input. Input image signal.
Incorrect PC image output signal.
Check PC settings.
Mute mode is enabled.
Color depth and tint not adjusted properly.
Video input mode for function adjustment not set on [AUTO].
Projection distance exceeds focus range.
Lens focus is not correctly adjusted.
Wireless remote control unit light receiver on projector is
obstructed (Front and rear).
Batteries in wireless remote control unit have reached end of
service life.
Wireless remote control unit light receiver is subject to strong light.
Check the PC recommended timing.
PC display mode is on simultaneous display mode.
Cause
Reference Page
20
17 – 19
22
27
38
17 – 19
–
23
27
31
15
22
13
13
10
–
36
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