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11 Jun 2021 12:21:01 UTC
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CAMER
camera-fob-usb-repair
A small key fob that is a disguised camera that takes pics and video. the charger would cut out so I used that as an excuse to open it and check. I thought the wire was bad but it turned out the USB plug was not soldered very well. Fun little camera.
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https://www.youtube.com/watch?v=evCmqH07DUs
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VIDEO
JVC D
jvc-dla-rs57u-projector-shipping-damage
Here I experiment with a CA Glue system with an accelerator. I attempted to repair the smashed corner of this JVC projector. Bubble bags and peanuts are not good packing materials for projectors.
Gallery of Damage https://imgur.com/a/FTGVo8q
I decided it might be better to make this its own video. It was part of this repair. https://youtu.be/-xKJ2TcjtIk
The CA Glue system I used was. Loctite 681925 https://smile.amazon.com/dp/B000Y3LHXW
Once I figured out the time to wait after using the primer, it went well. I will continue to use this system.
\o/
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https://www.youtube.com/watch?v=N0K_lXAvqjM
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VIDEO
BENQ
benq-pe8700-power-supply-removal
How to open the case and remove the power supply from a BenQ PE8700. This also applies to a few other brands and models.
BenQ
HT480B
PE8700
PE8710
HT720W
Runco
CL510/LT
CL700
CL710/LT
Vidikron
Model 20
Model 40
This is part of repairing the power supply with capacitor replacements in this video. https://youtu.be/cIaHqHdX4f8
If you need a lamp for any of those models, here is where to get them.
https://www.purelandsupply.com/60j2104cg1-benq-lcd-projector-lamp.html
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https://www.youtube.com/watch?v=4sMcx18oQ8Y
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VIDEO
HITAC
hitachi-cp-x1250-dt00601-lamp-install
Hitachi LCD CP-X1250 Video projector lamp replacement. If you own one of these or anything that uses a DT00601 this will help you replace your lamp. Make sure you unplug your projector or you're going to have a bad time.
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https://www.youtube.com/watch?v=g_y3Rqhd1gc
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23 YE
23-year-old-polaroid-211a-lcd-projector
I thought this might be a fun video. This is one of the first LCD projectors from 1997. This Polaroid branded 211A is a Panasonic made chassis using what is likely a Matsushita Metal Halide projector lamp.
Before Short Arc Mercury Vapor lamps were common, LCD projectors used Metal halide lamps that put out 650Lumens at 280W of power to the lamp.
These days, a 200W lamp will output 3000+ lumens(projector depending).
I thought this would be a fun teardown and look at how far projectors have come from back then.
If you happen to want this for some reason, make me an offer.
Thanks for watching!
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https://www.youtube.com/watch?v=JrLLCRQOXE0
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VIDEO
MITSU
mitsubishi-xd700u-g-no-light-repair-next
This Mitsubishi DX700U-G DLP Projector had a problem igniting the lamp. It would turn on, spin up and shut down immediately. I suspected the color wheel at first. It ended up being the index mark of the color wheel not being in place. This is a long video so I split it into 2 parts. If you need a lamp, here is a good source https://www.purelandsupply.com/mitsubishi-projector-lamp_wd700u.html . Second part of https://www.youtube.com/watch?v=YTIZp8uKLek
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https://www.youtube.com/watch?v=2BTxYQtWixg
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VIDEO
SANYO
sanyo-panasonic-video-projector-lamp
Part of my day job is testing and then repairing/re-testing lamp timer modules on new projector lamps.
This is a module from the Sanyo POA-LMP146/147 also known as the ET-SLMP-146/147(post Panasonic buying Sanyo).
They were programmed correctly but the power capacitor and one of the GPIO capacitors were reversed. They were the right values but in the wrong place.
Now no one has to worry if their lamp timer will reset when they buy these.
Thanks for watching!
If you need one of those POA-LMP146 projector lamps: Use code YT50 at checkout.
https://www.purelandsupply.com/sanyo-projector-lamp_poa-lmp146.html
or the POA-LMP147
https://www.purelandsupply.com/sanyo-projector-lamp_poa-lmp146.html
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https://www.youtube.com/watch?v=T-2fplDv3EE
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SMART
smart-slr60wi-dlp-projector-mainboard
In this video, I go through a second Smart LightRaise 60Wi that was sent in with another 60Wi. This unit had a weird issue where it would not start normally, would sometimes reset its settings to default out of nowhere.
I traced the issue back to missing power that was being shut off by the TI DDP4200 Chip. That chip was also getting quite hot. While this board might be salvageable, it seems to have liquid or some chemical on it and I do not trust it anymore. It is destined to be scrapped for its good chips and then the PCB recycled.
The mainboard was a little difficult to find. I ended up buying it from an eBay seller in Hungary. They shipped it quickly and packed it very well.
Here is the first SLR60Wi with audio out problems: https://youtu.be/Y6zVA-S6Itk
*Originally I had a section of repairing screw towers from the other projector. It ended up being very long and worth it's own video on repairing plastic parts in projectors. Once edited/finished I will link it HERE.
I also ended up swapping the tops before returning them so that the projector with the intact lower half was using the damaged upper cover while the good upper cover was installed to the damaged lower half of the first projector. This helped make both units adequate instead of one slightly unreliable. This also ensured the unit with the physical damage to the lower section performed within the specs of the good projector. Both had good geometry of the image once completed.
If you happen to need a lamp for this model, Click here. https://www.purelandsupply.com/smartboard-lamp_slr60wi.html
Thanks for watching!
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https://www.youtube.com/watch?v=DxHA0GA0SQ4
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VIDEO
OPTOM
optoma-hd143x-dlp-projector-simple
This Optoma 143X was sent in after the owner was unable to clean it satisfactorily and had colors flickering. I didn't find much wrong. Some screws needed to be tightened and the casing was not aligned but the owner was very close. I performed a teardown/general cleaning and testing.
If you happen to need a lamp for this mode, go here and use code YT50 for 5% off. https://www.purelandsupply.com/optoma-projector-lamp_hd143x.html
Originally recorded in May 2020 to explain why it seems out of date.
Granted I did not have to really fix anything here aside from cleaning, but hopefully the disassembly steps and other content are helpful to someone.
Thanks for watching!
\o/
00:00 Intro
03:02 Disassembly begins
04:00 Lens ring removal
08:23 General testing
10:50 Remove mainboard/power supply
20:05 Reassembly
31:30 Initial testing w/o case
36:50 Final Testing
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https://www.youtube.com/watch?v=_Xkec7COyO8
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Created
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