Repairing LDT-5910 Temp Controller

Pete sets out to repair another ILX Temperature COntroller, this time the older LDT-5910. IT starts as a PSU rebuild, but rapidly turns into fault finding the temperature/resistance circuit and then of course having fixed that calibration is necessary.
00:01 - Intro
00:11 - Summary of problems and video
00:40 - Rebuilding the PSU
05:05 - Not fixed after all
05:59 - How it works
07:23 - What could have gone wrong?
08:17 - Fault Finding - Exploring
10:42 - Simulating Reverse Engineering
13:37 - To faulty component
14:48 - What I found
15:18 - Replacement Substitute component
16:12 - Eureka
16:53 - Unit Calibrration
22:55 - Calibrating individual thermistors
24:25 - Steinhart-hart Program C#
26:31 - Inputting Coefficients
27:49 - Sanity Check
28:38 - Outro
🔸Software is available at github.com/psh...
🔸PCB and Schematic and Gerbers github.com/psh...
To help me keep the channel going I recommend the following links:
🔸Topcashback www.topcashbac... . As well as all the usual shops this site offers cashback from Farnell, RS Online, Rapid, ebay and plenty more too. Please make sure you sign up using the link above so that both you and I get a sign-up bonus! At time of writing that is £10 for you once you earn £10 cashback, there is a no fees option and you can take as long as you like to accure the £10 cashback.
🔸Octopus Energy is offering £50 for new customers if you sign up with this link share.octopus.e...
🔸Donations always welcome! www.paypal.com...
As always please help by subscribing and liking videos.
🔸 / @makeorrepair
🔸 Follow me on X (twitter) or facebook for the latest updates / petershersby

[@ikeabuchi1]

Excellent video👍

[@MakeOrRepair]

Thank you 👍