Jump to content

Still working on Seiko 7T34

Jakson

By Jakson
in Introduce Yourself Here

 Share

Recommended Posts

Jakson New Member

Jakson

Posted
Posted

Morning all-Could anyone confirm for me that when you have an open-cicuit coil on one of these Seiko watches it only affects the rotor that the coil is working with or does it stop all functions? I have one of the smaller coils failed on my watch-any advice greatfully received, Kind Regards.

Link to comment
Share on other sites
watchweasol Distinguished Member

watchweasol

Posted
Posted

Hi Jackson  As a rule they are all separate functions driven from a single source namley the circuit block which sorts out all the various functions. If one coil breaks down one would suppose the remaining functions would operate as usual. The fact that none of the functions work it would suggest that what ever did the coil in had an effect on the block. One could remove the block assy and test it for functionality before going any further. hope that helps a bit. 

Link to comment
Share on other sites
Jakson New Member

Jakson

Posted
  • Author
Posted

Hi Watchweasol and thankyou for your reply confirming my thoughts,iv gone around things the other way but still no luck-by which i mean i took the circuit board out first and it was damaged,iv managed to get another that visualy looks good-no burn or acid damage? Fitted it-no luck so then checked the coils and found one of the smaller ones open circuit, thats where i am now-maybe iv still got a bad pcb?

Link to comment
Share on other sites
Jakson New Member

Jakson

Posted
  • Author
Posted

Hi Watchweasol and thankyou for your reply confirming my thoughts,iv gone around things the other way but still no luck-by which i mean i took the circuit board out first and it was damaged,iv managed to get another that visualy looks good-no burn or acid damage? Fitted it-no luck so then checked the coils and found one of the smaller ones open circuit, thats where i am now-maybe iv still got a bad pcb?

Link to comment
Share on other sites
Jakson New Member

Jakson

Posted
  • Author
Posted

Hi Watchweasol and thank-you again that sounds very interesting? i will certainly take a look with great interest,i didnt realy think you could test the ic without specialist equipment but did wonder if the crystal may have stopped oscillating-that i imagine would stop everything, probably not a common fault but possible?

Link to comment
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.

Guest
Reply to this topic...

×   Pasted as rich text.   Restore formatting

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

×
 Share
Go to topic listing


  • Recently Browsing

    • No registered users viewing this page.

  • Topics

  • Posts

    • noirrac1j
      Rolex 2235 escape wheel jewel setting replacement

      By noirrac1j · Posted

      Hell0 @nevenbekriev. Thank you for your advice. I have removed the old setting using my staking set--I will keep the KIF spring, since it is still good.  I am awaiting the replacement setting, and will update when I do that. In the mean time, I looked at the escape wheel and it looks ok. What do you think?    
    • Hawaiikook808
      Seitz Tool - Help determine if Seitz or not

      By Hawaiikook808 · Posted

      Aloha All, I recently bought this Seitz tool on eBay, but it is missing some pushers reamers.  I ended up ordering new parts for those that were missing before I received the actual Seitz tool (bad idea).   Upon inspecting the pushers/bits, I noticed 23 of the 56 provided with the set had no numbers. Further inspection revealed a huge difference in the quality of those unnumbered.  Do all Seitz pushers/bits have a number on them?  I'm pretty sure that 33 of the 56 I received are cheap Chinese knockoffs.  The worst part is that I ordered $80 of parts to replace the missing pushers/bits, and now I'm looking to return the tool. I'm not crazy, right? If these are Seitz parts, they should all be numbered, correct? The first two pictures are the Seitz (numbered), and the other pictures are the suspect parts.  Will I even be able to get a refund?  Thanks, Frank     
    • luiazazrambo
      WWW Eterna sucked me in.

      By luiazazrambo · Posted

      It was £10 + min fee, total £16, could not leave it there. Its a Stanton A.D.2. http://stanton-instruments.co.uk/
    • Geotex
      Generic screws for unknown movements

      By Geotex · Posted

      Chief- The picture below shows the three parts from the dial side that are most useful to "fingerprint" a movement in conjunction with the diameter of the movement.  That's why forum participants are always asking for dial side photos in posts asking for identification.  As far as the setting lever screw, it actually sits loose in the main plate. The threads engage the setting lever below, and the elongated stem above the shoulder sticks through a hole in one of the bridge plates so that it's held captive if unscrewed all the way.  So you may be fine as far as that goes. 
    • Chief
      Generic screws for unknown movements

      By Chief · Posted

      So I found what I believe is the setting lever screw! Am I right in thinking the screw next to the click is the correct one for the setting lever? However if it is, it doesn't fit in the hole which I believe is for it! I can get the lever to sit nicely on the stem and line up with a hole, but the screw only goes as far as the shoulder and stops. It's as though the hole is too small! The dial side has been disassembled by the way, the other wheels are in my tray
×
×
  • Create New...