The EICO B, the resistance capacitance bridge and the . The Y cap was taken from an old SMPS – (C7 in the original schematic). Download EICO B CONSTRUCTION MANUAL. service manual & repair info for electronics experts. A quick view of the power supply schematic, shared by the Knight, Lafayette, and Like the Knight and the Lafayette, the Eico B substitutes eye-closure for.

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Instead, contact your nearest service center! Skip to main content. Most testers you dial up the test voltage, push the leakage button and wait for the eye tube to open which seems like forever.

Its mentioned in the blog, If you run down the voltage quick after leak testing, the entire capacitor will discharge through the POT and burn it. I credit this addiction to Paul of Mr.

His family were great — his daughter and her husband were nice, sweet janual patient, they showed me all his toys —. These free programs can be found on this page: You could google it to find more details. It can kill you. But it does get quite warm if I run for long. You need not order the exact value as per original spec, as it is rare.


I am a Electronic Tech. This unit you simply increase the voltage a little at a a time while watching the eye tube to show the capacitor under test is taking the charge. Exceeds expectations in every detail – restoration beyond actual eras original accuracy – thx u.

You can see the first light up, after so many years, still on 60V power. For Leak testing pot P3 controls the output voltage. Notify me of eido comments via email.

It is fun to work with since it 50 years old.

The think I love the most about this capacitor tester is that you don’t have to hold push buttons in to do a leakage test on electrolytic capacitors.

More items related to this product. The power factor tester too is also quite handy. After verifying the schematics, the first test was the 905b test, with just the heater power.

EICO B – Repair/Restoration – Lazy Electrons

By continuing to use this website, you agree to their use. I would like to dedicate this project in memory of this wonderful and brilliant soul. So it all looks good. Please, do not make a copy of the downloaded manual and do not offer to sell it, just use janual to repair defective appliance! This item doesn’t belong on this page.


Especially the V 0.

Eico a This unit was working when I received it. Overall a great piece of hardware! I wish I had come across this valuable article before. The unit worked when I got it and the changes I made were for safety reasons.

Vintage EICO Resistance Capacitance Comparator Bridge Model 950B

In addition, some files are archived, so you need WinZip or WinRar to open that files. Yes, I learned it the hard way. This site uses cookies.