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HP-41CV does not power on
07-30-2023, 11:03 PM
Post: #1
HP-41CV does not power on
Hi all, I own a HP-41CV calculator that I bought brand new in the 80's. I always took great care, and the calculator still looks brand new. Unfortunately about 10 years ago it never was able to power on. I would like to "revive" it as it is an iconic model. Any trick I could try? If not, are there any steps to follow to check internals? Thanks
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07-31-2023, 12:53 AM
Post: #2
RE: HP-41CV does not power on
Have you checked the obvious things? Batteries oriented properly, battery tabs aren't corroded, etc.

May want to check: https://www.hpmuseum.org/cgi-sys/cgiwrap...cgi?read=2
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07-31-2023, 01:23 AM
Post: #3
RE: HP-41CV does not power on
(07-31-2023 12:53 AM)m_a_s Wrote:  Have you checked the obvious things? Batteries oriented properly, battery tabs aren't corroded, etc.
I assume that all of those obvious factors were fine, but since I did this long time ago I will recheck. Regarding corrosion I will take a picture of the battery contacts and upload it here to get feedback. I'm traveling now, but as soon as I get hold of the calculator I will post back. Thanks.
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07-31-2023, 05:25 AM
Post: #4
RE: HP-41CV does not power on
Here you can find a lot of information and spare parts:
https://www.thecalculatorstore.com/epage...P41_corner
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07-31-2023, 11:24 AM
Post: #5
RE: HP-41CV does not power on
I suggest you put your calculator in the hand of a specialist. Just find a local specialist. Where are you? Mainland EU?

HP71B 4TH/ASM/Multimod, HP41CV/X/Y & Nov64d, PILBOX, HP-IL 821.62A & 64A & 66A, Deb11 64b-PC & PI2 3 4 w/ ILPER, VIDEO80, V41 & EMU71, DM41X
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07-31-2023, 08:38 PM (This post was last modified: 07-31-2023 08:39 PM by perseid.)
Post: #6
RE: HP-41CV does not power on
(07-31-2023 05:25 AM)ThomasM Wrote:  Here you can find a lot of information and spare parts:
https://www.thecalculatorstore.com/epage...P41_corner
Yes, I'm aware of that site. Hope I won't need to spend that kind of money
(07-31-2023 11:24 AM)floppy Wrote:  I suggest you put your calculator in the hand of a specialist. Just find a local specialist. Where are you? Mainland EU?
I agree, but before doing that I want to try the obvious once again, or at least see if I can identify the faulty part, if there is one. No, I'm overseas, but plan to travel to the US soon.
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