PHOTO
RLC-109 projector lamp with module
Fits 4 projector models from Viewsonic.
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Four Viewsonic business projectors - the PA503W, PG603W, PS501W and PS600W - all use RLC-109, supplied here as a complete module with the bulb pre-fitted into a new housing. It replaces the whole lamp assembly in one step rather than requiring the old housing to be reused.
Model codes across this group mix letters for portable ("PA"), premium ("PG") and standard ("PS") ranges, yet all four share this one lamp part number, so the differences between them lie elsewhere in the projector rather than in the light source. Check your model name against these four before ordering.
At a glance
- Type — Projector Lamp with Module
- SKU — LA-11710
- Compatibility — 4 projector models
Common questions
Why do the PA503W and PG603W use an identical lamp despite different names?
Viewsonic groups several business projector lines onto shared lamp platforms, and RLC-109 happens to be the module used across the PA503W, PG603W, PS501W and PS600W, regardless of the naming differences between those ranges.
Is the PS600W a widescreen upgrade of the PS501W?
Both carry the "W" widescreen designation and share the RLC-109 lamp, but they are separate models within Viewsonic's PS line rather than one being a direct upgrade of the other.
What is the benefit of buying the module for the PG603W instead of a bare bulb?
The module supplies a new housing along with the bulb, which is worth choosing if your PG603W's current housing is cracked, discoloured or fits loosely, since the bare lamp alone would depend on that housing still being sound.
Can I fit RLC-109 into a PA503W without professional help?
Most owners can fit this module themselves through the projector's lamp access panel, using a small screwdriver to release the old module and fit the new one in its place.
Does the PS501W need the lamp counter reset after installing this module?
Yes, like most Viewsonic projectors, the PS501W tracks lamp hours internally and expects this to be reset manually through the on-screen menu once the new RLC-109 module is fitted.
This is a complete module — bulb already seated in its housing, so it drops straight in.
Why do the PA503W and PG603W use an identical lamp despite different names?
Viewsonic groups several business projector lines onto shared lamp platforms, and RLC-109 happens to be the module used across the PA503W, PG603W, PS501W and PS600W, regardless of the naming differences between those ranges.
Is the PS600W a widescreen upgrade of the PS501W?
Both carry the "W" widescreen designation and share the RLC-109 lamp, but they are separate models within Viewsonic's PS line rather than one being a direct upgrade of the other.
What is the benefit of buying the module for the PG603W instead of a bare bulb?
The module supplies a new housing along with the bulb, which is worth choosing if your PG603W's current housing is cracked, discoloured or fits loosely, since the bare lamp alone would depend on that housing still being sound.
Can I fit RLC-109 into a PA503W without professional help?
Most owners can fit this module themselves through the projector's lamp access panel, using a small screwdriver to release the old module and fit the new one in its place.
Does the PS501W need the lamp counter reset after installing this module?
Yes, like most Viewsonic projectors, the PS501W tracks lamp hours internally and expects this to be reset manually through the on-screen menu once the new RLC-109 module is fitted.
Other Viewsonic 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.
