Sounds familiar... I'll dig out my service invoice from CRIS today,
but I think it did ref a mirror motor problem... My camera was
experiencing more than the freeze-up, though.  It would start with a
freeze, and then go on to perform continuous, random mirror flops all
on its own.  I think the problem first surfaced on a somewhat depleted
battery, sometimes putting in a fresh one would solve the problem
temporarily, but it always returned.  Eventually, it didn't matter
what battery was in there, it was like a mirror mechanism possessed.

The crickets don't really surprise me, either.  I remember when I
spoke with them about the issue -- which is pretty well documented out
there on the interwebs ("pentax mirror flop" should do it in google),
I got a similar response.  But when I sent it in for repair, they sure
knew what the problem was, fixed it fast & spelled it out on the
invoice... I'm pretty sure the cs folks are instructed to give as
little away as possible.  Paul's k-5 went in for service after mine,
by which time they had run out of repair parts? And so they sent a new
camera instead?  They know about the problem.

What lens are you using, Jack?  My 16-50 is starting to give a
"frozen" response, ie: won't take a pic when pressing the shutter...
but I that appears to be an AF problem.  The dreaded SDM failure,
perhaps?  Sigh.  It's always something. (... and sometimes it's just a
k-7...)

:)
-c

On Mon, Jan 28, 2013 at 10:22 PM, Paul Stenquist
<[email protected]> wrote:
> I'm surprised. Let me see if "mirror motor problem" is what it said on my 
> invoice. i'll look for it.  Although I'm not sure they ever defined it for 
> me, since the repair wasn't done. I may have gotten those words from 
> Christine. I know CRIS had trouble getting the repair parts.
>
>
> On Jan 28, 2013, at 8:00 PM, Jack Davis <[email protected]> wrote:
>
>> I called CRIS and talked to customer service and then a "tech".
>> Tech didn't seem to want to acknowledge his awareness of such a problem. He 
>> first suggested it could be the battery. Told him it had been freshly 
>> charged, but understood that it could be a "bad" battery.
>> His next suggestion was to clean the camera and lens contacts. I got no 
>> acknowledgment of there being a mirror motor problem. Actually I only heard 
>> crickets upon mentioning it. After a few seconds of dead air, I thanked him 
>> and hung up.
>> I've noted which battery was in the camera today. Both are Pentax and bought 
>> at the same time...but.(?)
>> Thanks, Paul for the lead.
>>
>> Jack
>>
>> ----- Original Message -----
>> From: Paul Stenquist <[email protected]>
>> To: Pentax-Discuss Mail List <[email protected]>
>> Cc:
>> Sent: Monday, January 28, 2013 2:21 PM
>> Subject: Re: Freeze up/ Lock up
>>
>> That sounds like the mirror motor problem that plagued my K-5 and 
>> Christine's. That's how it started, and removing the battery was my 
>> temporary fix as well.  If it is that, it may progressively get worse. CRIS 
>> said they could fix it, but due to a parts shortage, they ended up sending 
>> me a new camera instead.
>>
>> Paul
>> On Jan 28, 2013, at 2:40 PM, Jack Davis <[email protected]> wrote:
>>
>>> For the second time my K5 locked up during a shooting session. Seems to 
>>> happen when I'm doing continuous focus checking.
>>> I seem to be compelled to continually verify focus while waiting for the 
>>> hawk  or..?. to fly.
>>> Seem to recall something about "heat" caused by this habit possibly being 
>>> the cause.(?)
>>> Has anyone asked a tech about this? C.R.I.S maybe?
>>> I release the battery door and catch, the contacts are broken and upon 
>>> reconnection, the problem is fixed..for the moment.
>>> Not a difficult fix, but it takes a moment I don't always have.
>>>
>>> Thanks!
>>>
>>> Jack
>>>
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