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Forum: Pentax K-30 & K-50
06-17-2018, 01:53 PM
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I don't think there is a list generated anywhere. However if you can find a scrap 6mp camera, or even late SLR, I believe they all have white solenoids. Good luck hunting, they are out there.
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Forum: Pentax K-30 & K-50
01-20-2018, 08:11 AM
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No, The original bad one was green (30 ohms), the DVD one that I tried and did not work for me was white and 15 ohms, the K110 replacement that works fine is white and 30 ohms. :)
In the picture I posted, both white ones were from the K110, one aperture and one for the flash pop up.
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Forum: Pentax K-30 & K-50
01-20-2018, 04:47 AM
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Thanks to the valuable information in this thread, I have just fixed my K-50 at 20,000 clicks (Manufactured 21 Sept 2013).
I took the solenoid from a non working for spares K110 that I bought for £4 :) .
I tried a DVD solenoid, it did not work for me. That one measuerd 15 ohms and I soldered the leads to the solenoid pins. That is difficult since the pin is only about 0.7mm diameter and maybe 2mm long. There is a high risk of melting the plastic and contaminating the joint. That may have happened with my attempt, I can't be certain as I could not view the joint under a magnifier - or least I did not try.
I took MarkJerling's excellent suggestion earlier in this thread and soldered an in line splice, both the solenoid flying leads and camera leads were stripped back, fluxed, pre-tinned and held together for the moment when the soldering iron touched them. This is much easier I think that trying to joint to the solenoid. I used insulating tape to cover each joint and tacked them into the body with a small dob of silicone adhesive. The K110 solenoids were of course, white and 30 ohms.
Please do watch out for that capacitor, It's genuinely dangerous!
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