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PROJECTOR REPAIR SERVICE FOR
DLP PROJECTORS
Our repair service cover all manufactures; Acer, Barco, BenQ, CTX, Dell, Epson, Hitachi, InFocus, NEC, Optoma, Panasonic, Sanyo, etc.
- Black , grey, silvery or white spots on projected images are mainly due to the degradation of the DLP chips in DLP powered projectors.
- Although the DLP chips are irreparable, they can be replaced. Given a heat free and dust free usage environment, once an affected chip is replaced, the projector is guaranteed for another 4 to 5 years of trouble free operation.
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- Projector Colour wheels are one of the most vulnerable component in a DLP projector. A number of things can happen to the colour wheel. Most especially noise and wobbling as a result of dust and soot on the wheel as they tend to get clogged up with dust and soot when in use in a dusty and smokey environment such as bars and restaurants. Excessive dust and soot on the wheel often result in the breakage of the segments.
- A dusty colour wheel inevitably lead to degradation of the quality of the projected image. While a breakage of a segment or more will translate to loss of the broken colour. Colour wheel with broken segment will also become noisy with whirring or buzzing noise.
- Colour wheels can sometime actually explode as a result of friction caused by accumulated dust and soot. Also sudden shock can cause the color wheel to break up. When any of these anomalies are noticed, it is time to seek for professional help
PROJECTOR REPAIR
LCD/LCOS/LED AND LASER PROJECTORS
LCD, LCOS and LED projectors also share many common problems; Notable ones are as following;
- Boot issue
- Faulty lenses.
- Expanding purple blotches on the screen
- Yellowish, bluish or greenish tinged image
Boot Issue.
After a period of time, mainly just after running out of warranty, projector may start having problem igniting the lamp. This could be due to spent lamp of a more serious issue with the power of main board. When this occurs, the first point of call would be the lamp. Try a new lamp. If after replacing the lamp the projector still would not boot, it is time to seek for professional help.
Faulty lenses.
Dust and soot may accumulate in the lenses assembly causing it to jam. Fixing this may require a complete replacement of the lenses assembly.
Expanding purple blotches on the screen
LCD panels do wear out. The most susceptible panel to UV light is the blue channel. When the blue channel is worn, the projector will start to display shimmering purple color that may start off as a blotch and over a number of minutes completely cover the screen of the projector. This is a high level repair work that are best left to professionals.
Yellowish, bluish or greenish tinged image.
This is also a common fallout of faulty Polaroid glass of the LCD panel. As with the above, it also requires the replacement of at least one or all the panels, depending on whether the panels are fused or not.
PROJECTOR MAINTENANCE FOR BUSINESSES, SCHOOLS AND CHURCHES.
How to prevent common projector faults by carrying out regular maintenance exercise.
Your projector, whether DLP, LCD, LED, LCOS or laser projectors all have moving parts. From color wheels in DLP projectors to Auto iris in LCD projectors. Common items like lenses, fans and lamps etc. All these items are exposed to accumulation of dust and soot. When these accumulate, they clog up bearings, affect air flow, block vents and filters. This result in overheating, or outright damage to the affected parts.
Colour wheel may become coated with dust which may lead to deterioration of colours in projected images. The color wheels bearing itself could become stiff and this also may stop the projector from working outright.
Other replacement part that may be affected are LCD panels in LCD projectors. When dust and soot sette on the panels, they become susception to heat. This will eventually lead to the damage of the polaroid glass thereby causing loss of colors.
Ballast fans, lamp blower fans and chassis fans all are susceptible to damage when dust and soot accumulate on them.
Regular maintenance will ensure that the dust and soot are cleared and that the internal temperature of the projectors are kept with manufacturers recommended range that will ensure that the projector continues to work at optimum performance level, year after year.
FREE DIAGNOSTICS
Free diagnostic + fixed and predictable repair fee per incidence type. We have scaled prices for incidences such as non booting projectors. - lamp not igniting. Broken projector fan, broken color wheel, ballast repair, overheating issue, burnt LCD assembly replacement, white spots on display repair, etc.