Question about Optoma PK301 PICO Pocket Projector Projector Lamp
This is a brand new projector . It worked for a few minutes then started to produce white dots all over the projected image . I recharged it ,but the problem persists .lots of snow.
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: after start up and connection
The fault seems centered on to the DLP(digital light processor) , it can be the fault off the dlp or the relative circuit to the dlp.
Now this being a very sensitive circuit it will be necessary that you can concentrate to check on the outside.
Since the lamp and power was identified to be working perfect, the fault can be the mother board.
Now remove the mother board fittings, reset all connectors making sure that all connections are in order.
If the fault is staying on , you must try to swap the mother board/DLP unit. Possibility that there is an errors in the processing is quite high and must be confirmed by this swap...Please try this somehow as it is best to test to confirm before you replace. Contact Optoma if the working hours are less then 1000 hours or six months as it is covered by warranty.
Finally make sure that all the settings on the menu , brightness settings etc are correct.
Get some help on dlp projector repairs from the site below:
The advice/tip given is with the belief that you are competent. You must attempt to do it yourself only if you are technically/logically able, especially when dealing with delicate devices, damaging while trying to open, Probing electrical/electronic circuits with high voltage or delicate components. Since the advice given by me is with the inputs provided and not based on a visual inspection, there can be further reviews required in some cases.
Posted on Oct 07, 2010
SOURCE: Help! Our Optoma DLP
There is a lense behind the main focus lense that's causing this. Flakes of the colored tint are coming off causing white light to shine through. If you look at your projection, you can see black spots as well, these being the flakes that have re-located themselves. I dug into mine deep enough to diagnose this, to actually replace the little lense would be a little tricky. The unit has to be mostly disassembled. Also I haven't been able to locate a vendor who sells the part. Optoma wants you to send it in so they can do the repair, and won't part w/ these component level parts.
Posted on Nov 20, 2011
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