Optoma Technology H77 manual Replacing the Lamp, Lamp Replacing Procedure

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Appendices

English

Replacing the Lamp

The projector displays a warning message “Lamp may fail soon ! Replacement Suggested !” When you see this message, please contact your local reseller or service center.

Make sure the projector has cooled down for at least 30 minutes before changing the lamp.

Warning:

Lamp compartment is hot! Allow it to cool down before changing lamp!

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Warning: To

reduce the risk of personal injury, avoid dropping the lamp module or touching the lamp bulb. If dropped, the bulb may shatter and cause injury.

Lamp Replacing Procedure:

1.Turn off the power to the lamp by pressing the power button.

2.Allow the projector to cool down at least 30 minutes.

3.Turn off the main power switch.

4. Disconnect the power cord.

5.Use screwdriver to remove the screw on the side of projector as indicated above. n

6.Remove the cover. o

7.Unscrew 3 screws from the lamp module. p

8.Pull out the lamp module. q

To replace the lamp module, reverse the above mentioned steps.

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Contents Table of Contents Precautions Usage NoticeDo not Product Features IntroductionPackage Overview Product Overview Main UnitControl Panel Connection Ports Wireless Remote Control Installation Connecting the ProjectorPowering On/Off the Projector Powering On the ProjectorPowering Off the Projector Adjusting the Projected Image Adjusting the Projector’s HeightTo raise or lower the projector Adjusting the Projector’s Zoom/Focus Control Panel & Remote Control User ControlsKeystone & V.Keystone ContrastHue Re-SyncUsing the Control Panel Power Lens ShiftSource How to Operate Onscreen Display MenusMenu Tree Brightness ModeContrast ColorReset GammaSignal Image ModeAdvanced Adjustment White PeakingUser Controls Bulb Eco ModeLanguage Source LockProjection Vertical ShiftFormat KeystoneDigital Zoom Problem Partial, scrolling, or incorrectly displayed images TroubleshootingProblem No image appears on screen AppendicesProblem Image is unstable or flickering Problem Image has a vertical flickering barProblem Image is out of focus Problem LED lighting message Problem Image is reversedProblem Lamp burns out or makes a popping sound Problem Message RemindersLamp Replacing Procedure Replacing the LampCeiling Mount Installation Screw type M6,M8,M10 Screw length 10,16,55 m/m