I just got a Eico regulated power supply but without the schematic or any doc. The C- and the VAC all work fine, but the high voltage. Was cleaning in the basement a bit this afternoon, and stumbled across the schematic for this old Eico power supply on my work bench that’s. This is a classic filament, bias, and regulated high voltage power supply, great for testing and experimentation with tube equipment such as.

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On to the full restoration.

NEW EICO Regulated Power Supply INSTRUCTION MANUAL – $ | PicClick

Buyer shall be responsible for the safe and proper removal of any Goods purchased by Buyer. Phase Linear …on the bench! Cleaned up the chassis, front panel, and cabinet.

Unfortunately, this old diode shorted and took the transformer winding with it, thereby ruining the transformer. They all checked in the good range.

One of the cheapest circuit insurance you can buy is to place diodes in series. Last edited by Crist Rigott; at Crist Rigott VideoKarma Member. Electrical voltages are present and represent a danger.

Regulated Power Supply 1030

The power transformer has a separate winding that supplies screen voltage to the 6L6 pass tubes. Everything else looked good. Recently my longtime trusted Eico regulated high voltage DC power supply succumbed to a catastrophic failure — a shorted transformer winding.


Jeff Gehring likes this. Home Forums Recent Posts. First, I fused the center-tap of the HV winding with a ma fuse mama fuse should be reasonable in this circuit.

Want to phone or mail the auctioneer? This website discusses repair of electronic items. Not only that, but you can put current mfg tubes back in the equipment and still use it.

We do not provide free personalized troubleshooting.

Regulated Power Supply Power-S EICO Electronic Instrume

Didn’t even realize I had some NOS spares hidden away all this time. A special thank you to the ‘new’ guys that helping out. If one diode shorts, you still have another one eido continue proper operation of the circuit. Enter Keywords used in Search: Visit your account to find out Prev Group Next Group.

I replaced the rectifier tubes with fresh silicon ultra-fast diodes because I wanted to reduce the heat inside the cabinet, promote stability, and reduce transformer load 2.

There weren’t that many. All are longtime members that stepped ecio to the invite to help out by volunteering their time and effort to help the membership experience on TGP stay on the even keel.


Jul 2, 3. Transformers can blow in the blink of an eye Recently my longtime trusted Eico regulated high voltage DC power supply succumbed to a catastrophic failure — a shorted transformer winding.

The bias supply 6X4 is a half-wave circuit, so I used two in series. It looks super clean.

new EICO 1030 Regulated Power Supply INSTRUCTION MANUAL

Buyers acknowledge that an auction site is a potentially dangerous place, Flammable, noxious, corrosive and pressurized substances may eio present. We will send you a notification when the item is about to go up for live bidding. Browse All Upcoming Auctions Without limiting the generality of eoco foregoing, Buyer shall restore and repair all real and personal property that is altered or damaged as a result of Buyer’s removal of the Goods.

The first section of the DPDT switch replaced the original in the same manner. I also replaced all of the E-Caps. After that I turned it back on using the variac. I use my HV power supplies on a daily basis for a number of tasks such as component testing high voltage diodescapacitor reforming, insulation testing, mocking wico tube circuits, and many other purposes.