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03-20-2009, 11:45 AM   #1
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Looking for service manual: MZ-5n and MZ-50

Hello all..

I have MZ-5n and MZ-50 that mirrors won't work. The MZ-50 advances when I put the batteries in; I guess this is the sign of stuck mirror? I assume it is a fixable condition?

I wonder if anyone here have the service manual? There are few old threads here about stuck mirror, but I can not find any info on the service manual.

Thanks.

03-20-2009, 12:34 PM   #2
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if you dig through the MZ-5n posts here within the past few months, there was a service diagram somewhere
03-20-2009, 12:46 PM   #3
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I believe it is the site Pentax Imaging, where they have the old manuals online
03-20-2009, 01:09 PM   #4
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Try the manuals on this page.
Pentax Manuals

03-20-2009, 01:26 PM   #5
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Craig Camera

QuoteOriginally posted by CGJung Quote
Hello all..

I have MZ-5n and MZ-50 that mirrors won't work. The MZ-50 advances when I put the batteries in; I guess this is the sign of stuck mirror? I assume it is a fixable condition?

I wonder if anyone here have the service manual? There are few old threads here about stuck mirror, but I can not find any info on the service manual.

Thanks.
If you can find one anywhere it will be here Craig Camera
03-20-2009, 02:48 PM   #6
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QuoteOriginally posted by wildlifephotog Quote
Try the manuals on this page.
Pentax Manuals
Thank you. They are user manual, not a service/repair manual. It is a useful link to know, though.

QuoteOriginally posted by monochrome Quote
If you can find one anywhere it will be here Craig Camera
Thank you. I've looked at their database, they have fairly extensive collection on camera repair manuals but there is none for ZX-5.


QuoteOriginally posted by k100d Quote
if you dig through the MZ-5n posts here within the past few months, there was a service diagram somewhere
Are you referring to this post?

After searching on the web, I found several service manuals of Pentax cameras, for:

K1000
Super Program
Spotmatic
MX
ME
K2

Follow this link if you're interested
03-20-2009, 03:48 PM   #7
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there's one post where someone had put up a diagram of all the parts of the ZX-5n
03-20-2009, 07:54 PM   #8
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QuoteOriginally posted by k100d Quote
there's one post where someone had put up a diagram of all the parts of the ZX-5n
Is this the thread?

03-20-2009, 09:57 PM   #9
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QuoteOriginally posted by CGJung Quote

Thank you. I've looked at their database, they have fairly extensive collection on camera repair manuals but there is none for ZX-5.
Email John - he may be able to find one for you. He constantly travels to camera shows and has sources all over the (probably) world.
03-21-2009, 08:45 AM   #10
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QuoteOriginally posted by CGJung Quote
Is this the thread?
yah! there we go
03-21-2009, 12:18 PM   #11
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QuoteOriginally posted by k100d Quote
yah! there we go
The diagram does not include motor/mirror scheme. I guess I have to contact Pentax service to request reprint of the diagram that includes motor/mirror system.
05-20-2009, 02:40 PM   #12
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Here you have the procedure (including pictures) I wrote to repair it.

https://www.pentaxforums.com/forums/604647-post12.html

Enjoy !

Last edited by Bob Bimon; 05-20-2009 at 02:46 PM.
06-25-2009, 03:09 PM   #13
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Hi CGJung,

I have the same problem with my MZ50. I ask a Pentax technician about. He told me that it's a weakness of olds MZ50. The cog set in the motor axis that brings down the mirror is made of plastic. Whereas the axis is made of metal. Then the cog and the motor axis become no more joined.

That was his explanation. Do you still need a service manual ?
06-25-2009, 04:49 PM   #14
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Azrael,

Thank you for offering. Bob Bimon has repaired his MZ-5 and sent me the photo tutorial of steps, I don't think I need the service manual to repair my MZ-5. But if you have a copy of it and will share it with me, I'll be happy to receive it.

BTW, I still haven't fixed my MZ-5, because I just got another MZ-5 with grip in a very good condition at a bargain price.

QuoteOriginally posted by Azrael Quote
Hi CGJung,

That was his explanation. Do you still need a service manual ?
06-25-2009, 11:49 PM   #15
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That is the broken ggear syndrome....
you need to replace the motor inside.

QuoteOriginally posted by CGJung Quote
Hello all..

I have MZ-5n and MZ-50 that mirrors won't work. The MZ-50 advances when I put the batteries in; I guess this is the sign of stuck mirror? I assume it is a fixable condition?

I wonder if anyone here have the service manual? There are few old threads here about stuck mirror, but I can not find any info on the service manual.

Thanks.
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