Sony VPL-SW125 Operating Instructions Manual page 33

Symptom
The image is not clear.
The image is noisy.
No sound.
The Remote
Commander does not
work.
The fan is noisy.
Remedy
Check if the projector is in focus.
The picture will not be clear if condensation has accumulated
on the lens. In such a case, let the projector sit for about two
hours with the power on.
Check if the connecting cable is connected to external
equipment properly.
Check that the connecting cables between the projector and
external video or audio equipment are securely connected.
Check if the output setting of connected external audio
equipment is set to output the audio signal from the projector.
Check if the connecting cable is connected to external
equipment firmly.
Audio is not output if audio muting is activated.
Check if "Volume" is not set to minimum.
Check that the batteries are installed correctly.
Check that the batteries are not exhausted.
The sound from the fan is often greater than normal to cool the
lamp, etc. in the following cases.
• "Lamp Mode" is set to "High."
• "High Altitude Mode" is set to "On."
• The unit is used in the location where the temperature is high.
If the ventilation holes are blocked, the internal temperature of
the projector rises and the fan noise becomes larger.
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Troubleshooting