Pentax LX ISO/ASA dial - help!

Jerrycs · 11-25-2021, 06:54 AM

I recently disassembled my ISO/ASA - exposure compensation dial. Now I need to put everything back together - there is a small tab underneath that slots into the metal disc (part# R100) - does anyone know which hole the tab slots into and how everything is meant to be lined up?:confused

Attached Images

Last edited by Jerrycs; 11-25-2021 at 06:56 AM. Reason: spelling mistake

**aslyfox** · 11-25-2021, 09:33 AM - **1 Like**

welcome to the forums

you will find friendly members and a lot of knowledge here

perhaps this might help

Quote:

product no. 2400

Pentax LX service manual English

http://www.pentax-manuals.com/manuals/service/lx_repair.pdf

another copy

https://learncamerarepair.com/downloads/pdf/pentax-lx-service-manual.pdf

______________________

you may also want to look at this thread

Quote:

Sources for information about the LX, please add your knowledge to this thread

Read more at: https://www.pentaxforums.com/forums/8-pentax-film-slr-discussion/419204-sour...#ixzz7DFSivD8r

shyrsio · 11-25-2021, 05:14 PM

keep in mid that both the wheels on top move the same tab, they just move in relation to each other, so look for the pin on the underside of the wheel, than align it with the tab.

Jerrycs · 11-26-2021, 01:52 AM

Originally posted by shyrsio

keep in mid that both the wheels on top move the same tab, they just move in relation to each other, so look for the pin on the underside of the wheel, than align it with the tab.

I can see what you mean about the EC dial and ISO dial moving in relation to each other, however, whilst I can see a tab, I can't see a pin...

---------- Post added 11-26-21 at 01:53 AM ----------

Originally posted by aslyfox

welcome to the forums

you will find friendly members and a lot of knowledge here

perhaps this might help

http://www.pentax-manuals.com/manuals/service/lx_repair.pdf

another copy

https://learncamerarepair.com/downloads/pdf/pentax-lx-service-manual.pdf

______________________

you may also want to look at this thread

Read more at: Sources for information about the LX, please add your knowledge to this thread - Page 5 - PentaxForums.com

Thanks Asleyfox, that's very helpful. However, the manual does say how to align the dial on assembly..

---------- Post added 11-26-21 at 01:57 AM ----------

Perhaps I ought to expand and explain why I dismantled the rewind and removed the ISO/EC dial...it was because the LED's we're to not stable..they were jumping around and... the exposure reading seemed to be reading two stops out.

11-25-2021, 06:54 AM	#1
Jerrycs New Member Join Date: Nov 2021 Location: Welwyn Garden City Posts: 2	Pentax LX ISO/ASA dial - help! I recently disassembled my ISO/ASA - exposure compensation dial. Now I need to put everything back together - there is a small tab underneath that slots into the metal disc (part# R100) - does anyone know which hole the tab slots into and how everything is meant to be lined up?:confused Attached Images Last edited by Jerrycs; 11-25-2021 at 06:56 AM. Reason: spelling mistake

11-25-2021, 09:33 AM - 1 Like	#2
aslyfox Seeker of Knowledge Join Date: Aug 2016 Location: Topeka, Kansas Photos: Gallery \| Albums Posts: 24,583	welcome to the forums you will find friendly members and a lot of knowledge here perhaps this might help Quote: product no. 2400 Pentax LX service manual English http://www.pentax-manuals.com/manuals/service/lx_repair.pdf another copy https://learncamerarepair.com/downloads/pdf/pentax-lx-service-manual.pdf ______________________ you may also want to look at this thread Quote: Sources for information about the LX, please add your knowledge to this thread Read more at: https://www.pentaxforums.com/forums/8-pentax-film-slr-discussion/419204-sour...#ixzz7DFSivD8r Last edited by aslyfox; 11-25-2021 at 10:02 AM.

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11-25-2021, 05:14 PM	#3
shyrsio Pentaxian Join Date: Apr 2016 Location: Tirana Posts: 780	keep in mid that both the wheels on top move the same tab, they just move in relation to each other, so look for the pin on the underside of the wheel, than align it with the tab.

11-26-2021, 01:52 AM	#4
Jerrycs New Member Join Date: Nov 2021 Location: Welwyn Garden City Posts: 2 Original Poster	Originally posted by shyrsio keep in mid that both the wheels on top move the same tab, they just move in relation to each other, so look for the pin on the underside of the wheel, than align it with the tab. I can see what you mean about the EC dial and ISO dial moving in relation to each other, however, whilst I can see a tab, I can't see a pin... ---------- Post added 11-26-21 at 01:53 AM ---------- Originally posted by aslyfox welcome to the forums you will find friendly members and a lot of knowledge here perhaps this might help http://www.pentax-manuals.com/manuals/service/lx_repair.pdf another copy https://learncamerarepair.com/downloads/pdf/pentax-lx-service-manual.pdf ______________________ you may also want to look at this thread Read more at: Sources for information about the LX, please add your knowledge to this thread - Page 5 - PentaxForums.com Thanks Asleyfox, that's very helpful. However, the manual does say how to align the dial on assembly.. ---------- Post added 11-26-21 at 01:57 AM ---------- Perhaps I ought to expand and explain why I dismantled the rewind and removed the ISO/EC dial...it was because the LED's we're to not stable..they were jumping around and... the exposure reading seemed to be reading two stops out.