Fixing my Pentax K-30 exposure problem: #4 more details on solenoid

I spent a jolly day thinking about the exposure solenoid and doing a few checks.

Everyone has a theory about why the green solenoid is problematic.

I've tried to work out how it operates...

Fixing my Pentax K-30 exposure problem: #3 one problem leads to another!

Having reassembled my K-30 with the replacement solenoid, it was time to test it.

Unfortunately it failed the test, with all photos underexposed.

I think my problem was due to a truly stupid mistake.

Fixing my Pentax K-30 exposure problem: #2 let's do it!

My new JIS screw drivers arrived from China a few days ago.

Following on from an earlier post, I needed these to fit the tiny JCIS screws on my camera.

So its time to strip down both my K110D and K-30 Pentax cameras to see if I can repair my K-30.

Fixing my Pentax K-30 exposure problem: #1 prep

The exposure problem on my Pentax camera has been gradually getting worse.

It is now more likely to produce underexposed images than correctly exposed ones.

So its time to open it up and have a go at fixing it.

Hedgehogs don't like slugs!

Its very easy to plant ideas into peoples minds, but very difficult to remove them when they are wrong.

And the internet only makes matters worse due to the ease of content "copy & paste" operations on already incorrect information.