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Forum: Pentax K-30 & K-50 08-08-2017, 08:57 AM  
K-30 / K-50 Aperture Block Failue - Repair Solution available
Posted By aezarien
Replies: 858
Views: 131,425
My thoughts on that were more related to the poster who mentioned they had measured certain specifications and found them to be the same. More conjecture, I know but I work with metals and metal alloys every day so naturally, it came to mind based on some comments I had read in one of these threads. To clarify, I am not suggesting that is the problem, just noting a thought.

As far as I am concerned, I am on the same page as you. The people of this forum have spent quite a while working through this problem, trying different solutions, and taking the time to post results and reflections. People can either nitpick over what parts of what videos or tutorials are incorrect or piece together a cohesive solution. One of those two things won't bring them any closer to fixing their camera and I can assure them, all of the information is out there. Most of it is here.
Forum: Pentax K-30 & K-50 07-31-2017, 08:56 AM  
K-30 / K-50 Aperture Block Failue - Repair Solution available
Posted By aezarien
Replies: 858
Views: 131,425
Yeah, I already had the *istDS, which I originally purchased new and knew the flash solenoid was barely used. I wasn't sure I wanted to take my DS apart, because I still use it in tandum with the k-50, so I did look for a used one first. I found a few cheap "for parts" cameras on ebay, but never could get a clear answer as to what was wrong with them. Plus, unlike the camera I already owned, no telling how "used" those parts were. Personally, I did not see an option which did not have some level of risk associated with it so I chose the option which had the closest thing to a known quantity to work with. Very slimly, that was knowing I had a part which had been through the same environmental stressors the k-50 went through and still functioned. I made the choice not to replace the part with the green one based merely on conjecture and personal experience. My husband works with small parts like this on a regular basis. Generally speaking, if they are different colors, it has something to do with how the specification varies. I do not have the time, nor the ambition to explore what the differences may be, although I did attempt to go down that avenue of research previously. I do know whatever the specs are on this green one combined with the environmental stressors I put on the camera, it failed. I have also seen where people have mentioned theirs was replaced with the green part and it failed later down the road. Perhaps that is the deeper question, though. Other than "they were made in China" what differentiates the parts? Perhaps it could be the alloys in the metal parts. Maybe that was answered at some point and I missed it. Anyway, that was what seemed logical to me, at the time.
Forum: Pentax K-30 & K-50 07-29-2017, 10:22 PM  
K-30 / K-50 Aperture Block Failue - Repair Solution available
Posted By aezarien
Replies: 858
Views: 131,425
---------- Post added 07-29-17 at 10:27 PM ----------

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I replaced mine with the solenoid from the pop-up flash of an *istDS (some have two solenoids, one for aperture, one for flash). I actually sanded the horseshoe in the faulty one and put it in the istDS for the pop-up flash. Both cameras are now fully functional and I seriously could not care less if the pop-up flash fails on either one. I never use them anyway.
Forum: Pentax K-30 & K-50 07-06-2017, 10:18 PM  
K-30 / K-50 Aperture Block Failue - Repair Solution available
Posted By aezarien
Replies: 858
Views: 131,425
That's why I didn't even bother with it. There were too many mixed results. I figured if I was going to open it up and tinker, I may as well go for it. I followed the directions posted in this forum to replace the entire assembly from the pop-up flash of my istDS. I have used it almost daily since I replaced it about a month ago and no problems yet. Here is to hoping that does the trick. It cost me $0, the other camera still works, and the flash pops up with the defective part, too. It was tedious and took a few hours, though and definitely not something I would suggest if soldering isn't something you are comfortable with or you don't have a steady hand. It isn't incredibly difficult, but you do have to be mindful about what you are doing. The printout of all sides of the camera with two-way tape to hold the screws was very helpful.
Forum: Pentax K-30 & K-50 05-27-2017, 05:46 PM  
K-50 / K-500 Aperture Solenoid fix (DIY with pics)
Posted By aezarien
Replies: 255
Views: 42,530
Done and camera seems to be functioning as normal again. Thank you for the instructions. They were very clear and easy to follow. Now, to get the k-50 solenoid into the *ist.

As far as keeping track of the screws, I took the advice of the clever gentleman in the video posted in the other thread. I took pictures of where I planned to remove screws, printed them and put two way tape at all the screw points to hold the screws as I removed them. It was time consuming to take apart, but easy peasy to put back together.
Forum: Pentax K-30 & K-50 05-27-2017, 03:31 PM  
K-50 / K-500 Aperture Solenoid fix (DIY with pics)
Posted By aezarien
Replies: 255
Views: 42,530
Never mind. Had I actually read the directions, I would have answered my own question. Well into the process now.
Forum: Pentax K-30 & K-50 05-27-2017, 11:55 AM  
K-50 / K-500 Aperture Solenoid fix (DIY with pics)
Posted By aezarien
Replies: 255
Views: 42,530
The *istDS has two solenoids, correct? Am I understanding this correctly, that the flash solenoid in the *istDS could be used as the replacement part for the k-50? If so, that would make me a lot less apprehensive about giving this a go with the camera I have vs. ordering a part or donor camera. Out of 10,000+ clicks, I may have used the pop-up flash ten/fifteen times.
Forum: Pentax K-30 & K-50 05-26-2017, 09:51 PM  
K-30 / K-50 Aperture Block Failue - Repair Solution available
Posted By aezarien
Replies: 858
Views: 131,425
You can add my k-50 to the list at about 2.5 years. It currently has 4,925 shutter clicks, but I have been using it with a manual lens for a few months so you could probably shave a few hundred off that number. I have an ist-ds but not too chummy with the idea of taking it apart as it works a charm with over 10,000 clicks. Could be a sentimental attachment, as well. I have my eye on a few auctions for donor cameras, but might hit up some of the local pawn shops in the morning. For no more than I use it for, I could probably live with manual lenses. I get better control that way, anyway. It just kind of hurts my feelings that my *ist still performs perfectly and my pretty new-ish pet is in less than optimal functioning condition. I paid about the same for the k-50 new as I did the ist so I suppose it is reasonable that I expected all of the essentials to work about as long. If/when - I will update.
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