Phenomena That May Be Easy To Be Mistaken For Machine Defects - ViewSonic PJ1173 User Manual

Phenomena that may be easy to be mistaken for machine defects

WARNING
strange odor, excessive sound, damaged casing or elements or cables, penetration
of liquids or foreign matter, etc. should occur. In such cases, immediately turn off the
power switch and then disconnect the power plug from the power outlet. After making
sure that the smoke or odor has stopped, contact ViewSonic or service company.
.
Before requesting repair, please check in accordance with the
following chart. This operation sometimes resolves your problem.
If the situation cannot be corrected,
.
The projector's microprocessor may need to be reset.
Please push the Shutdown switch by using a pin or similar and the projector will be turned off immediately.
Before turning it again, wait at least 10 minutes to make the projector cool down enough.
3.
Some setting may be wrong. Please use the FACTORY RESET function of the SERVICE item in the
OPTION menu to reset all settings to factory default.
Then, if the problem is not removed after the remedy, please contact ViewSonic or service company.
Phenomenon
Power does not
come on.
Neither sounds
nor pictures are
outputted.
(Continued on next page)
ViewSonic
►Never use the projector if abnormal operations such as smoke,
Cases not involving a machine defect
The electrical power cord is not plugged in.
Correctly connect the power cord.
The power switch is not set to the on position.
Set the power switch to [ | ] (On).
The main power source has been interrupted during
operation such as by a power outage (blackout), etc.
Please turn the power off, and allow the projector to cool
down at least  minutes, then turn the power on again.
Either there is no lamp and/or lamp cover, or either
of these has not been properly fixed.
Please turn the power off, and allow the projector to cool down at
least 45 minutes. After the projector has sufficiently cooled down,
please make confirmation of the attachment state of the lamp and
lamp cover, and then turn the power on again.
The signal cables are not correctly connected.
Correctly connect the connection cables.
Signal source does not correctly work.
Correctly set up the signal source device by referring to the
manual of the source device.
The input changeover settings are mismatched.
Select the input signal, and correct the settings.
The BLANK function for pictures and the MUTE function for
sounds are working.
AV Mute may be active. Refer to the item "Sound does not come out" and "No
pictures are displayed" on the next page to turn off the MUTE and BLANK functions.

Troubleshooting
Reference
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3
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PJ1173