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Troubleshooting
ENGLISH - 107
Maintenance
Troubleshooting
Review the following points. For details, see the corresponding pages.
Problem Points to be checked Page
Power does not turn
on.
z
Is the power plug rmly inserted into an outlet?
―
z
Is the <MAIN POWER> switch turned <OFF>? 38
z
Is the wall outlet supplying electricity?
―
z
Have the circuit breakers tripped?
―
z
Is the lamp indicator <LAMP> or the temperature indicator <TEMP>
illuminating or ashing?
97, 98
z
Is the lamp unit securely installed? 104
No picture appears.
z
Is the connection to the picture (output) device correct? 32
z
Is the input selection setting correct? 42
z
Is the [BRIGHTNESS] adjustment setting at a minimum? 49
z
Is the external device that is connected to the projector working
properly?
―
z
Is the AV mute function in use? 41
z
Is the lens cover still attached to the lens? 37
The picture is fuzzy.
z
Is the lens focus set correctly? 39
z
Is the projection distance appropriate? 26
z
Is the lens dirty? 17
z
Is the projector installed perpendicular to the screen?
―
The color is pale or
grayish.
z
Is [COLOR] adjusted correctly? 49
z
Is [TINT] adjusted correctly? 49
z
Is the device connected to the projector adjusted correctly? 32
Audio is not output.
z
Is the <AUDIO IN> terminal connected correctly? 23
z
Is the volume adjusted at a minimum? 43
z
Is the AV mute function used? 41
z
Check [AUDIO IN SELECT] in [AUDIO SETTING]. 72
The remote control
does not operate.
z
Are the batteries depleted?
―
z
Is the polarity of the batteries set correctly? 24
z
Are there any obstructions between the remote control and the
projector’s remote control signal receiver?
21
z
Is the remote control being used beyond its effective operation range? 21
z
Are other forms of light, such as uorescent lights, affecting the
projection?
21
z
Is the [REMOTE CONTROLLER] setting in [CONTROL DEVICE
SETUP] set to [DISABLE]?
77
z
Is the ID number setting operation correct? 24