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Topic: Optoma GT720 wiring diagram/service manual?
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Joined: May 4, 2013
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hi!

I have problem with a Optoma GT720.
When i power up the projector the power led just flashing green and nothing more happends the lamp doesnt start.

I have tested to replace power supply and lamp ballast but with no progress.

What are commpon faults on these projectors?

Do do anyone have any service documentation for this projector like wiring diagram, disassembly manual etc that you can share?
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Joined: Mar 28, 2005
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How many hours are on the lamp itself? It may just be time for a new lamp if you've put it to good use. But, typically, this type of work needs a qualified repair shop to take a look at it as Optoma and most manufacturers don't tend to give out their wiring schematics at all anymore.
AV Integrated - Theater, whole house audio, and technology consultation during the build and installation process in the Washington, DC metropolitan area.
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Quote (AV_Integrated on May 4, 2013 9:05:22 AM):
How many hours are on the lamp itself? It may just be time for a new lamp if you've put it to good use. But, typically, this type of work needs a qualified repair shop to take a look at it as Optoma and most manufacturers don't tend to give out their wiring schematics at all anymore.

Forgot to mention the lamp is new.

Can anyone explain the basic features / components how a DLP Projector Works?
Or someone page describing the signals needed for the lamp to light up?

I read somewhere that the light does not illuminate unless the color wheel spins or not working as it should. Is that right?
Is the colour wheel a common fault?
Otherwise, if i myself had to guess, i think it's the motherboard that is broken but a little expensive to take a chance and buy a new.

What usually break on optoma projectors, any special parts except the lamp?