Mirror For Sony TV 3.4
Joseph Zyiuahndy
BACKGROUND
I was shooting at a concert and suddenly the viewfinder went dark. Removed lens and the mirror was there totally loose. Mirror is in great shape, no damage visible. I can see 4 points where some sort of adhesive marks are. It seems the adhesive simply didn't last enough time.
2ND
- I decided to take a look at the DSLR-A900 Service Manual Lvl. 2 (almost the same camera as the DSLR-A850) and found there is no explanation nor part list for each component of the mirror mechanism. It is listed as a whole Assembly.
- I went to the local Sony Support Centre and first they stated they could glue it on the support if the part is in good shape. But then, the technician came directly to talk with me and told me this kind of work requires the whole assembly to be removed/replaced. He told me the assembly could cost around 400USD without labor included. Totally unacceptable as the assembly is working fine, and the mirror is only glued to the support.
NOW
Is there a way to clean the mirror without damaging it? I want to try to remove the glue residue, apply some sort of glue or adhesive on it and put the mirror back on the support. I don't see any kind of slot or holder. It seems the mirror is simply glued to the support.
Read the whole thread. Amazing how manufacturers only had the mirror glued to that mechanism and try to charge +400USD just to replace it. I thought this was only a Sony thing.
Will try Superglue then. Thanks!
Take note of the first post. It the info is correct, you can use a razor blade to scrape the old glue from the mirror without worry. It appears that glue thickness can alter the autofocus of the camera.
Not sure who the mfg was at the time. Had a friend that worked at a glass and mirror company/warehouse and was some type of epoxy they used on mirror backing. The back of the mirror had four dabs of dried glue of which I cleaned about a half of each dab. Applied the epoxy mixture right beside each dab in the cleaned area and then reattached it to the original glue within the frame. This kept it the same height and exact location it had previously. Never had another problem with it.
Can you ask your friend for any preferences or specs of epoxy? I was thinking about using DP-110. I used to work as a Aircraft Maintenance Technician and that was the most used adhesive when bonding cabin interiors materials but I'm not sure if that would work for bonding plastic? from the support structure and the mirror (I don't know what material it is made of).
EDIT: DP110, not DP100. Sorry.
Ok, decided to perform the repair by myself 20+ hours ago. Couldn't find the 3M Scotch Weld DP110 locally (could order it online but didn't had time) and so far everything seems just okay. Will update how things goes.
Tested the mirror when decided to clean a little bit the sensor. Seems to hold ok.
I reattach DSLR mirrors professionally all the time, and I can tell you the best adhesive I use is Cemedine SuperX. It's not cheap, but it's the same stuff most DSLR manufacturers use. I suspect Sony had a batch that wasn't stored well, and used it on the models that are having their mirrors pop off. Keep it in the fridge until you want to use it!
I'm happy that I found this old thread about the mirrors falling off on Sony cameras. Was just finishing a family shoot for my son's family this afternoon and all of a sudden my A900 viewfinder went dark. First thought was "this is not gonna be good". It wasn't. Mirror was out of place, just laying on the bottom of the mirror box. odd thing is that I don't think the camera has more than a couple of thousand clicks on it. Maybe the original cement just deteriorated with age? Found this post and got on Amazon and ordered some Cemendine super-x 8008. supposed to be he on the 22nd of this month. Hoping for the best....Art
You can display your phone on the big screen with one click. The AirBeamTV app will cast to Sony TVs instantly. Once you download the app, you can start mirroring quickly at any time. Your phone screen will display wirelessly and directly to your TV, no cables needed.
Great app! Responsive tech teamI was looking for an app that would allow me to mirror my laptop wirelessly on my TV and this one certainly does an excellent job. I had some trouble getting the mirroring to work. I emailed the tech support and they responded within an hour with a fix. Thank you and keep up the excellent work!
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I've tried several mirroring apps, including AirScreen and a few others. They work perfectly with *literally* everything else (Netflix, Prime, Hulu, Youtube, etc), but when I try them with Apple TV+, it thinks for a minute and then says "Error loading content" and crashes. It's very annoying.
When from my smartphone (Xiaomi redmi note 10) I select screen cast even if my sony smart tv is connected to the same wifi not appear in the list but with my old LG Tv work, the LG smart tv appear on the list and I can screen mirror with my smartphone.
When I first got my a200 I noticed that my pictures were not coming out as I composed them TTL. It seems that the mirror is not aligned properly with the sensor, because my picture always gets cropped at the top and more is added to the bottom. I thought the problem went away, but it appears to have come back. I notice it most with my 18-70...could it be a problem with that lens? I really hope there is a diy solution to this! I know I can just compensate when I compose, but I really don't want that to be a permanent solution.
7:05PM, 25 July 2009 PST(permalink)
you will see the sensor move.. atleast I can see it move..(the movement is quite significant).. This is why I thnk its not a lens issue(im not an expert and I can be wrong).. if its a lens issue you will notice that in the view finder.. if your not getting something you see in the view finder chances are the sensor moves and goes back into a slightly lower position(not centered)..
It can also be a mirror misalignment..but its very unlikely cause the mirror operation is mechanical..its so simple, chances of that getting misaligned unless something drastic happened is slim.. I've seen this sensor going back to the wrong place before.. If you can, try and see if the sensor is centered when SSS is off..
better get it checked out.. it can be a problem with the SSS motion sensors too..
ages ago(permalink)
BenRC, interesting you say the problem occurs with live view too. My a200 doesn't have live view, so I couldn't compare. I would think if it's a mirror/sensor alignment though, that live view would be accurate since it comes from the sensor (doesn't it?). This makes me think our problem might be caused by something other that mirror misalignment, but I can't imagine what. I don't know a whole lot about how cameras are constructed though.
ages ago(permalink)
Hi, got mine repaired under warranty by sony but its happened again and im out of warranty. What Hull Photographer as said is spot on, i had to bang the sides of the camera to center the sensor. rubbish way of fixing it (any knock is gonna shift it again) but it works temporarily.
Gonna buy a new camera i think, wonder if this is a sony specific issue, will be staying well clear of sony if it is.
ages ago(permalink)