Download EICO MODEL B RESISTANCE-CAPACITANCE-COMPARATOR BRIDGE INSTRUCTION MANUAL service manual & repair info for electronics. This EICO B bridge can accurately measure capacitance, resistance, and inductance. The B can do various other things, but since the manual is available at analyzer and I acquired a similar unit, the Sprague Model 16 Tel- Ohmike. The EICO B, the resistance capacitance bridge and the . The Y cap was taken from an old SMPS – (C7 in the original schematic).

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After verifying the schematics, the first test was the tube test, with just the heater power. You are commenting using your Twitter account. Do not run down the voltage fast after leak test on a high value cap. I am ready to head back to my TEK Project. Most relevant reviews See all 6 reviews. This item doesn’t belong on this page. I had a hard time getting those film caps but managed to get them finally.

The power cord was changed to 3rd pin and grounded earth to chassis.

I have put in a new power cord, a new y-capacitor and replaced all the electrolytic ones. I bought the Eico B to play with.

Vintage EICO Resistance Capacitance Comparator Bridge Model 950B

Have used two in series to keep the capacitance close to the original and the rectifier tube specs call for a maximum filter cap of 4uF. Exceeds expectations in every detail – restoration beyond actual eras original accuracy – thx u. While I wait for my precision caps to arrive, I can finish modell of the tasks, replace the last few 0. I replaced 3 capacitors 2 didn’t.


You are commenting using your WordPress. The basic circuit of this unit is very simple. Superb Craftsmanship throughout – well packed – Exceeds expectations in every detail – restoration beyond actual eras original accuracy – thx u Verified purchase: I checked the transformer as well mxnual this process and saw the heater glow from both the tube and the magic eye. Especially the V 0. Good luck to the repair!

You can login to do that! I added a line fuse and replaced the line eicco with a polarized one. I have recapped and redone some wiring and retubed the unit. If you want to join us and get repairing help please sign in or sign up by completing a simple electrical test or janual your question to the Message board without registration. By continuing to use this website, you agree to their use. Hi, Nice to see a great equipment being put back to use again.

For me the hardest part is getting high voltage wax capacitor replacements like 1. They say nobody usually comes for those stuffs anymore.


I became curious to know more about him. I have to disclose, I learned this from U-tube videos.

EICO B – Repair/Restoration – Lazy Electrons

Yes, I learned it the hard way. This is how pristine it looked when I picked it up. It seems to be one of the most popular units out there. Looking for other manual? I am a Electronic Tech. I replaced 3 capacitors 2 didn’t look good and one was wrong value. For a moment I saw it through the eye tube glass.

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. No buttons to hold Majual 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.

You need not order the exact value as per original spec, as it is rare. The power factor tester too is also quite handy.