3M MP8620/Liesegang DV710 lcd-projector service manual needed

Does anyone have a service manual (or schemas) for projectors mentioned in subject field? These two projectors are identical so either of these would be ok.

Or can anyone give some repair tips? Projector starts but lamp doesn't come on. Maybe some problem in control gear or ignitor? Lamp is metal halide 400W. What kind of measurements can be done? Multimeter and scope are available.

-markus

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Markus
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