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456-8783 bare projector lamp
Fits 16 projector models from 3M · Dukane · Hitachi · Viewsonic.
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Hitachi's CP-X3, CP-X5 and CP-X6 trio, together with the CP-X264, CPX5J and the HCP-600X, HCP-610X and HCP-78WX, are the core of the sixteen projectors that take this bare bulb. It also fits 3M's WX20, Dukane's Image Pro 8783 and Viewsonic's PJ3211, PJ359W and PJL3211, running at 190 watts for a 2000-hour rated life.
The identical lamp is cross-listed under 78-6969-9946-1, DT00821 and RLC-039, so check your old bulb against any of these codes if 456-8783 does not appear on it. As a bare bulb, it fits inside your existing housing rather than replacing it, so confirm your current module is undamaged before ordering.
At a glance
- Wattage — 190 W
- Rated life — 2,000 hours
- Type — Bare Projector Lamp
- SKU — LA-07810
- Compatibility — 16 projector models
Common questions
Which Hitachi models take the 456-8783 lamp?
The CP-X264, CP-X3, CP-X3W, CP-X5, CP-X5W, CP-X6, CP-X6W, CPX5J, HCP-600X, HCP-610X and HCP-78WX all use this lamp, alongside 3M's WX20, Dukane's Image Pro 8783 and three Viewsonic PJ models.
What do DT00821 and RLC-039 refer to?
They are other part codes for this identical bulb, along with 78-6969-9946-1. If your existing lamp is marked with any of these numbers rather than 456-8783, this is still the correct replacement.
Will I need my existing cage to use the 456-8783?
Yes. This listing is the bare bulb only, without a housing; it is designed to fit inside your existing lamp module, so check that your current housing and socket are still in good condition.
How do I reset the lamp timer once fitted?
Most Hitachi and Viewsonic projectors include a lamp-hour reset option in the service or maintenance menu, which you should run after fitting a new bulb so the projector's usage counter starts again from zero.
When is it time to replace this lamp?
It is rated for 2000 hours. As your projector's built-in counter approaches that figure, or you notice the picture dimming or colours shifting, that is a sensible point to plan a replacement.
This is a bare lamp — the bulb only. You reuse the housing already fitted in your projector.
Which Hitachi models take the 456-8783 lamp?
The CP-X264, CP-X3, CP-X3W, CP-X5, CP-X5W, CP-X6, CP-X6W, CPX5J, HCP-600X, HCP-610X and HCP-78WX all use this lamp, alongside 3M's WX20, Dukane's Image Pro 8783 and three Viewsonic PJ models.
What do DT00821 and RLC-039 refer to?
They are other part codes for this identical bulb, along with 78-6969-9946-1. If your existing lamp is marked with any of these numbers rather than 456-8783, this is still the correct replacement.
Will I need my existing cage to use the 456-8783?
Yes. This listing is the bare bulb only, without a housing; it is designed to fit inside your existing lamp module, so check that your current housing and socket are still in good condition.
How do I reset the lamp timer once fitted?
Most Hitachi and Viewsonic projectors include a lamp-hour reset option in the service or maintenance menu, which you should run after fitting a new bulb so the projector's usage counter starts again from zero.
When is it time to replace this lamp?
It is rated for 2000 hours. As your projector's built-in counter approaches that figure, or you notice the picture dimming or colours shifting, that is a sensible point to plan a replacement.
Other 3M lamps in the catalogue. Codes in the same family often differ by a single character, so check the part number against your old lamp before ordering.
