Author Topic: A77 off to the Sony repair shop  (Read 9012 times)

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Offline Clive

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A77 off to the Sony repair shop
« on: March 06, 2013, 05:14:19 AM »
You might recall this discussion about "ghosts" in images from my A77 under particular circumstances. And I made a web page with examples here.

I've taken a few half-decent shots with the A77 and I was generally getting along and managing around the problem MOST of the time. But the ghosts ruined a few bird shots in Hawaii.

Well another problem started to appear often in Hawaii. (Actually saw it first in December.) A "Camera error" message (see below) started popping up and the camera would not work. The camera locked up and it took considerable fiddling to get it working. I thought it might be a bad relationship between the A77 and 70400G but two days ago the SAL1680Z was on the A77 and it happened again...three times in a few minutes. Internet info is sparse and probably inaccurate. Most say it is a lens issue. But then there is a "lens error" and I've seen that. And removing and reinstalling the lens did nothing...with either the 70400G or the 1680Z. 

Now the A77 had two issues and I was not happy. :( ;) So I called Sony Canada in Toronto yesterday and today the camera with lots of documentation was shipped off. Here is the covering letter. I sent ten large prints with samples of bad ghosting.

Yesterday the Sony lady said, "We will turn it around in 5 working days." And I am sort of thinking they already know what they are going to do. (Anything going to "the bench" is put in a holding pattern and take weeks to get at.) It is easier to ship a rebuilt camera than spend hours messing with mine with two problems. So they might send me a refurbished unit. Shall see. Can't seen Sony sending me a new one. (HA HA! Snap out of it Clive! ;))

I'll keep you up to date.


« Last Edit: March 06, 2013, 05:29:04 AM by Clive »
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Offline REX (aka TG)

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Re: A77 off to the Sony repair shop
« Reply #1 on: March 06, 2013, 05:55:44 AM »
A very good covering letter and hope for good results,Keep us informed
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Offline chappo1

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Re: A77 off to the Sony repair shop
« Reply #2 on: March 06, 2013, 06:23:15 AM »
Rex posted whilst I was typing mine and said much the same.  A very well constructed letter.  We will all be curious to see if they replace the camera or repair it.
If 5 days really is 5 days then they will know what the issue is already and how to fix it.   keep us posted..john
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Re: A77 off to the Sony repair shop
« Reply #3 on: March 06, 2013, 05:18:19 PM »
Clive,

Just heard that mine has been fixed and on its way back to me. I hope they can turn yours around as quickly.


Rgds,
Dave
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Offline Clive

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Re: A77 off to the Sony repair shop
« Reply #4 on: March 06, 2013, 05:32:59 PM »
Thanks gang.

"If 5 days really is 5 days then they will know what the issue is already and how to fix it."

That's why I think they will simply send me another A77 ... and bet it is not new. Shall see.

Unless they step outside into the sunshine to test the camera for ghosting they will not be able to duplicate this problem in a lab. Needs to be somewhat bright.

I'll post one of the worst ghost cases in a while....horrid stuff.

Shall see and will keep you all up to date.

Clive 

EDIT
I "forced" this top photo...overexposed....GAK!! (A pedestrian crossing sign.) The small inset taken at f9 is okay ... remember this is a huge crop.


But this when it upsets me....a half decent photo except light feathers mush into darker zones. Look at the top white feather....not too noticeable, but bad enough that this could not be printed if desired. (The photo is not that good to begin with, but the ghosting totally wrecks it.)



« Last Edit: March 06, 2013, 05:53:29 PM by Clive »
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Offline Stef.

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Re: A77 off to the Sony repair shop
« Reply #5 on: March 07, 2013, 11:33:40 PM »
Good luck with it Clive!
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Offline rannari

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Re: A77 off to the Sony repair shop
« Reply #6 on: March 08, 2013, 06:39:43 PM »
Hope you get it fixed or maybe a new one arrives :) These kind of things are always so damn frustrating ...

kurt
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Offline chappo1

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Re: A77 off to the Sony repair shop
« Reply #7 on: March 08, 2013, 11:38:26 PM »
Clive, an unusual question from a retired scientist.... did you ever try turning the camera upside down to shoot to see if the white edges then went to the underneath ?
john
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Offline Clive

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Re: A77 off to the Sony repair shop
« Reply #8 on: March 09, 2013, 06:16:33 AM »
John

It is an excellent question and, yes, I tried it upside down and could not make it happen. Closely related, I wrote this in the covering letter: Strangely, the few times I’ve tested this with the camera in vertical position I could not force the ghosts on either the side edges or top edges. That’s why I suspect this has something to do with the mirror and relative position to the main light source.

Theory only: There is some combo of light direction relative the the mirror. When the mirror is tipped, then it does not happen but it COULD happen if you played with relative angles.

Shall see what unfolds.

Clive




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Offline REX (aka TG)

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Re: A77 off to the Sony repair shop
« Reply #9 on: March 09, 2013, 07:27:02 AM »
Before you send to Sony service center you were going to replace the mirror with a new version. Did you or you didn't buy at all?
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Offline chappo1

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Re: A77 off to the Sony repair shop
« Reply #10 on: March 17, 2013, 12:35:42 AM »
5 working days have passed Clive- unless your compatriots only work a couple of days a week and we have get to hear happy noises emanating from your direction.
You alluded to issues on another post ...do you have an update?  ...john
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Offline Clive

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Re: A77 off to the Sony repair shop
« Reply #11 on: March 17, 2013, 02:21:46 AM »
John

Thanks for inquiring. I made some notes on Thursday. Hope I took out the bad words ... ;)

Mostly written March 15 ...
Sony is fixing my A77. It has been rife with error and mix up … A few days after it arrived in Toronto I got an email with a quote to fix the flip down screen for $300 because it was broken! I called right away and said the screen is fine. Dani said she'd look into it. Two days later I get another quote to fix the screen. Again! So I called and actually got the tech center and the lady said she'd look into it. Then a couple of days ago I got an email saying the repairs would be under warranty but it did not say what they were doing.
•   Yesterday (March14), Paul from Sony called to tell me the repairs were being covered under warranty. When I told him I knew that because Joseph had sent me an email he sounded surprised I knew and he was not aware Joseph had emailed me. They don't seem to have a common/shared file on a work order..he had no idea Joe had written.
•   Re: "broken screen" ... which,  thank God,  I called about ... Paul told me the reason they "presumed" the mirror was defective was when I installed the protective screen cover I had failed to get it dead flat in one small spot and there was a small area (~10 by 8 mm) of "Newton" rings on the screen. No bother to me and not mentioned as part of the two issues for which the camera was submitted. Good grief they were going to replace the screen for $300 because of the Sony protective screen cover has some rings on it?
•   They are unable to duplicate the "camera error" … meaning as soon as the camera is returned, I will see it again???
•   Paul told me that a technician determined that something was misaligned and a minor adjustment had been made between the "plains" of something something...sounded like something was not aligned correctly. So was something misaligned and causing ghosts? Shall see I guess.
•   They seem to be replacing the mirror and are awaiting its arrival and that could be a couple of days or a lot longer. Paul said they were awaiting a "POI something " which is the mirror.

At least they called with an update. That's good. But I am still worried because these guys are messing with my camera and they wanted to replace a perfectly good screen even though I had sent 12 pages of documentation of the two problems plus ten 8 by 10-inch photos of ghost examples. So I await the repairs and expect to see my A77 within two weeks. Maybe they will have fixed it and maybe not. 

Except for the ghosting problems (and recent "camera error" issue), the A77 has worked well and I've taken some nice snapshots with it...the best ever for me. I lust for an A99, but admit to being "Sony shy" right now.
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Offline Clive

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Re: A77 off to the Sony repair shop
« Reply #12 on: March 21, 2013, 02:47:45 AM »
The A77 was returned today. (Wow! It left the Sony repair center at noon on Tuesday and I got it at 3 PM Wednesday. For those who don't know, that's a 3,300 km by road (it went by air) and was handled in three city courier depots. I am impressed.)

The "camera error" message
Since getting the A77 back I've taken about 100 photos and so far there has been no "camera error" message.

Ghosting
I pushed the camera to force it to make the ghost/halos on white/bright subjects as per this page and as discussed here.

Well .... I can get small ghosty edges, but am most pleased to report there is a huge improvement. I took a lot of test shots of grass blades, spruce cones and the pedestrian crossing sign. At 100% (pixel peeping) some edges are a bit soft, but I can't see any appreciable difference between f5.6 (a major problem) and f8.

Sony was not exactly succinct in telling me what they did but they said there had been something misaligned and that they put in a new mirror.

So for now I am a happy camper. Will post some "not corvid" shots in a while. ;)

Regards

Clive

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Offline REX (aka TG)

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Re: A77 off to the Sony repair shop
« Reply #13 on: March 21, 2013, 05:26:58 AM »
very good for the comeback :) please keep us informed about the process.

If i understand well there is a misalignment with the mirror and we get the ghost effect on some pitcures?
aSLT/SLR/NEX,DYNAX

Offline rannari

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Re: A77 off to the Sony repair shop
« Reply #14 on: March 21, 2013, 06:18:46 AM »
Nice to hear that you got it back and you are satisfied of the repair.

I have tried to look this phenomenom, but so far have been unlucky ;)

kurt
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