AV and Multimedia Related Thread, Sanyo with pink sploges in Technical; Got a school full of Sanyo PLC xw56 three year old projectors, max lamp hours 2100 on eco mode, most ...
10th May 2011, 02:55 PM #1
Sanyo with pink sploges
Got a school full of Sanyo PLC xw56 three year old projectors, max lamp hours 2100 on eco mode, most of them have pink 'sploges' which are very noticable on a white background, word or smart notebook.
The filters have been cleaned every 4 weeks. Is it worth having the projectors serviced and deep cleansed, or struggle on for another year and replace the whole unit? Is there anything I can do myself?
10th May 2011, 06:18 PM #2
Almost certainly dust on on the LED optics, despite the filters being cleaned. Cleaning the filters only ensures good airflow, it doesn't do much about preventing the very small amount of dust that inevitably makes its way inside.
A deep clean would probably fix it; to do it yourself you'd have to part-dismantle them. Possible, but tricky. I've done a couple of XE-31s before and it worked nicely, but it was not simple.
Last edited by AngryTechnician; 10th May 2011 at 06:22 PM.
10th May 2011, 06:54 PM #3
We have Sanyos like this. As they deteriorate to the point of becoming too poor to use or the bulb fails, they're being replaced with Casio LED bulbless projectors (5 year guarantee, no filters )
10th May 2011, 07:26 PM #4
How old are the sanyos? I'm miffed mine are only 3 years old, strangely enough when I did the projector rounds today checking quality and lamp life none of the teachers had noticed the 'pinkness'.
10th May 2011, 08:23 PM #5
Mine started to go around 3 years. After 5 even the teachers were complaining.
12th May 2011, 04:58 PM #6
The "pink" is dust on the Optical engine, yes it needs a deep clean i do NOT recomend you atempt this yourself most people do not have a clean enough envioment, a deep clean and full rebuild costs £70, for this the projector is tested striped to the case all parts cleaned assembled and re tested checking light output befor and after and quality.
Most projectors should last around 7 years if serviced, if you leave this dust in it will create a hotspot and burn the eliments of the LCD optical engine.
Thanks to Marc-Engineer from:
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