BenQ MX631ST Color Wheel Replacement – Original Part, with genuine Label 102421846
BenQ MX631ST shutting down, making grinding noise, or showing weird colors? That’s almost always the color wheel. Replace it with this genuine MX631ST color wheel – factory fresh with authentic label 102421846, not a cheap copy. Exact specs: 6 segments, 4x speed, RGBCWY sequence (Red, Green, Blue, Cyan, White, Yellow).
| Compatible Model | BenQ MX631ST (Label 102421846) |
| Condition | Brand new, 100% Original BenQ part |
| Segments | 6 – RGBCWY |
| Speed | 4x – balanced for brightness & rainbow reduction |
| Installation | Direct replacement, reuse original housing |
Why RGBCWY & 4x Speed Matter
The MX631ST uses precise RGBCWY timing for short‑throw classrooms and offices. White segment boosts brightness in ambient light; cyan and yellow improve color accuracy. 4x speed offers reliable rainbow reduction without extra motor wear – ideal for daily presentation use. Wrong wheel will cause startup failure or wrong colors.
Signs Your Color Wheel Is Failing
- Projector shuts down seconds after lamp lights
- Grinding or high‑pitched noise (worse on bright scenes)
- Flickering image or rainbow artifacts
- Washed‑out colors, yellow/pink whites, or orange reds
Replacement takes about 20 minutes. Mounting holes align perfectly; fresh bearing kills noise, factory balance stops vibration. Don’t scrap the whole projector – swap the one part that wears out and get back to reliable short‑throw performance.
Tip: Verify label 102421846 on your old wheel. Match segment pattern and diameter. Send a photo if unsure.
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