How to mend Panasonic Pt Projector

i replaced the bulb followed step by step and still nothing happens any?

is it worth fixing or buying a new tele?

error in auto iris appear on my epson EX30 projector screen?

Infocus 777 comes on wont project light?

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Projector bulbs?

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is about a overhead projector?

Panasonic password reset?

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how can I fix my projector?

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