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A school corridor of open classroom doors with ceiling-mounted projectors of different ages receding into the distance, a maintenance trolley in the foreground

Classroom Projector Lamps: Standardising a Scho...

Most schools run four or five projector models bought in different years. Here is how to audit the fleet, consolidate on fewer lamp part numbers, and stop losing a classroom...

Classroom Projector Lamps: Standardising a Scho...

Most schools run four or five projector models bought in different years. Here is how to audit the fleet, consolidate on fewer lamp part numbers, and stop losing a classroom...

A bare projector lamp burner with twin quartz arc tubes held in gloved fingertips against a dark background

Hitachi Projector Lamp Replacement: The DT-Seri...

Hitachi lamp parts carry DT prefixes and cover a large installed base in US classrooms. Here is how DT numbers map to projectors and where the Dukane and Christie equivalents...

Hitachi Projector Lamp Replacement: The DT-Seri...

Hitachi lamp parts carry DT prefixes and cover a large installed base in US classrooms. Here is how DT numbers map to projectors and where the Dukane and Christie equivalents...

Five projector lamp modules resting in a row on a shelf in a school AV storeroom with an older projector below

Boxlight Projector Lamp Replacement: Full Model...

Boxlight built its US business on education projectors, and many are rebadged chassis from other manufacturers. Here is how to find the right lamp when the part number runs cold.

Boxlight Projector Lamp Replacement: Full Model...

Boxlight built its US business on education projectors, and many are rebadged chassis from other manufacturers. Here is how to find the right lamp when the part number runs cold.

A large-venue projector on a workbench with its lamp door open and a lamp module being withdrawn, two more modules resting on foam

Sanyo Projector Lamp Replacement: The PLC and P...

Sanyo projectors are long out of production but tens of thousands are still in US classrooms and churches. Here is how the PLC and PLV ranges map to lamp parts.

Sanyo Projector Lamp Replacement: The PLC and P...

Sanyo projectors are long out of production but tens of thousands are still in US classrooms and churches. Here is how the PLC and PLV ranges map to lamp parts.

A technician on a step platform servicing a short-throw projector mounted on an arm above a classroom interactive whiteboard

SMART Board Projector Bulbs: UF55, UF65, UF70 a...

SMART Board classroom systems use short-throw projectors with their own lamp parts. Here is how to identify which projector is on your board and get the right bulb.

SMART Board Projector Bulbs: UF55, UF65, UF70 a...

SMART Board classroom systems use short-throw projectors with their own lamp parts. Here is how to identify which projector is on your board and get the right bulb.

A man in a dim meeting room gesturing toward a projection screen showing a dim, washed-out image

Projector Problems: The Complete Diagnostic Tree

No power, no image, dim picture, wrong colour, overheating, noise, shutdowns. Work through the symptom you actually have and find out whether it is the lamp before you buy one.

Projector Problems: The Complete Diagnostic Tree

No power, no image, dim picture, wrong colour, overheating, noise, shutdowns. Work through the symptom you actually have and find out whether it is the lamp before you buy one.