Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems.

 
 
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Default Sahara DP3601 video projector,2006

Bright orange, 2 of these , minus the security necessary top control panel
for each, not found a pic of them yet.
15 way connector for a panel , that when removed, disables the projector.
Any chance of hacking them, there is a IR receiver lens but that presumably
would be disabled with an absent top panel? presumably most of those 15 ways
will be a diode matrix for control buttons and anunciator LEDs.
Little info found on these projectors but Google images suggests Delta and
similar model numbers maybe a related badge name. Googling the lamp numbers
has not shown up any model Xref
One lamp is physically blown, the electrode , external to the axial quartz
glass stem but in the central bright quasi-focused beam area is broken, not
actually where it emerges from the stem. Surrounding the break , and also
the supposedly working one, in that area, is a neat looking aggregation of
spikey white crystals around the conductor. I've not found an image of a new
bulb yet , but could there have been a piece of silicone there that has
degraded to silica crystals (asbestos-like)? perhaps creating a hotspot for
the lamp current and then failure, actual and potential, at that point?
Any pointers to a procedure for hacking the control-defeat function of these
top panels?


 
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