Geekzone: technology news, blogs, forums
Welcome Guest.
You haven't logged in yet. If you don't have an account you can register now.

273 posts

Ultimate Geek
+1 received by user: 74

# 208061 25-Jan-2017 12:45
Send private message

I have removed the BLUE LCD panel from my projector's optical block.


Has anyone else done this and replaced it DIY and had the projector work again?


The manufacturer recommendation is full optical block replacement at $1800 plus labor.


The fitting seems simple enough - four screws hold the LCD panel.


What tips can anyone provide before I simply part out the unit instead of repair.



Create new topic
132 posts

Master Geek
+1 received by user: 6

  # 1714178 1-Feb-2017 21:08
Send private message

The 3 LCD plates are sub-pixel aligned to prism block. Even if you found another blue plate, the odds of correctly aligning it to avoid registration errors aren't good. If the machine has enough wear and tear on optics for blue plate to fail, polarisers et al will be tired too. Bin it.

273 posts

Ultimate Geek
+1 received by user: 74

  # 1714189 1-Feb-2017 21:25
Send private message

Thanks - panels are easy to find, but I can't find anyone anywhere saying - yes did it, simple fix.


All advice is replace entire optical block and I suspected the pixel alignment is done at factory and is not for DIY hobbyists.


I'll keep her for parts for my same make and model projector as it is near worthless to anyone else.


242 posts

Master Geek
+1 received by user: 26

  # 1715440 4-Feb-2017 16:42
Send private message

If you get hold of the service manual they typically have procedures to do most repairs.

You will need some RGB alignment images, usually from a video generator, but with the correct image type it can be done via a PC HDMI output since you are doing a hardware alignment.

Masterpiece Calibration Ltd, isf certified



"I'm not a robot!"

273 posts

Ultimate Geek
+1 received by user: 74

  # 1715470 4-Feb-2017 18:05
Send private message

Thanks Masterpiece.


I've been thinking about it a lot with much frustration because it seems to be such a waste.


Everything works perfectly on this projector, except the blue panel.


I bought it for parts (lamp, filters etc) for my own identical model, but there is still the prospect of having to ditch it while it is essentially repairable (cost is the issue).


So thank you for this advice and perspective.


I had decided over the past 24 hours or so, to go ahead and try and learn what I can from the experience.


It is dismantled now and that was only possible because I have the exploded diagram and service info detail supplied from the NZ importer.


If you see the attached image, this is what it looked like on arrival and note the hours on the original lamp. Checking for burn in and signs of degradation on the polarisers confirms they are in good condition.'s a mission, but I think I have to go for it, and try to do this the right way. I have the time to do it, and with some guidance I may be able to save this one from a premature demise!






Create new topic

Twitter »

Follow us to receive Twitter updates when new discussions are posted in our forums:

Follow us to receive Twitter updates when news items and blogs are posted in our frontpage:

Follow us to receive Twitter updates when tech item prices are listed in our price comparison site:

News »

Video game market in New Zealand passes half billion dollar mark
Posted 24-May-2019 16:15

WLG-X festival to celebrate creativity and innovation
Posted 22-May-2019 17:53

HPE to acquire supercomputing leader Cray
Posted 20-May-2019 11:07

Techweek starting around NZ today
Posted 20-May-2019 09:52

Porirua City Council first to adopt new council software solution Datascape
Posted 15-May-2019 12:00

New survey provides insight into schools' technology challenges and plans
Posted 15-May-2019 09:30

Apple Music now available on Alexa devices in Australia and New Zealand
Posted 15-May-2019 09:11

Make a stand against cyberbullying this Pink Shirt Day
Posted 14-May-2019 20:23

Samsung first TV manufacturer to launch the Apple TV App and Airplay 2
Posted 14-May-2019 20:11

Vodafone New Zealand sold
Posted 14-May-2019 07:25

Kordia boosts cloud performance with locally-hosted Microsoft Azure ExpressRoute
Posted 8-May-2019 10:25

Microsoft Azure ExpressRoute in New Zealand opens up faster, more secure internet for Kiwi businesses
Posted 8-May-2019 09:39

Vocus Communications to deliver Microsoft Azure Cloud Solutions through Azure ExpressRoute
Posted 8-May-2019 09:25

Independent NZ feature film #statusPending to premiere during WLG-X
Posted 6-May-2019 22:13

The ultimate dog photoshoot with Nokia 9 PureView #ForgottenDogsofInstagram
Posted 6-May-2019 09:41

Geekzone Live »

Try automatic live updates from Geekzone directly in your browser, without refreshing the page, with Geekzone Live now.

Support Geekzone »

Our community of supporters help make Geekzone possible. Click the button below to join them.

Support Geezone on PressPatron

Are you subscribed to our RSS feed? You can download the latest headlines and summaries from our stories directly to your computer or smartphone by using a feed reader.

Alternatively, you can receive a daily email with Geekzone updates.