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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Repairs should only be attempted by a qualified technician.
Radios For Sale
View auctioneer’s contact info No Info Available Payment Details: In many cases, a shorted cheap component such as diode or filter capacitor can ruin eioc very expensive or sentimental piece of equipment. We will send you a notification when the item bidding is about to end. Want to receive updates about upcoming auctions?
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Jeff Gehring likes this. Visit your account to find out I added a protection diode in series with the current meter to prevent current from reversing thru the current meter. A full invoice should be emailed to the winner by the auctioneer within a day or two. Many diodes will pass a DMM diode test but are, in fact, shorted when operated at the high voltages seen in the circuit. Log in or Sign up.
Browse All Upcoming Auctions There were 3 other caps which I didn’t replace because they checked very good. We will send you a notification when the item is about to go up for live bidding. 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 been gathering dust for the past decade or so.
Enter Keywords used in Search: Jul 3, 4. One of the cheapest circuit insurance you can buy is to place diodes eick series. Last edited by Crist Rigott; at All times are GMT The Gear Page is run by musicians for musicians. A special thank you to the ‘new’ guys that helping out. The applied voltage is much too low to indicate whether the diode eeico shorted.
No returns or refunds will be permitted, unless authorized by the seller in writing. This transformer failure caused me to consider how unprotected most transformers are in vintage gear.
Eico Regulated Power supply for tube amp and radio building and repair Oak Bay, Victoria
In this power supply, though, I did leave a 40ma PTC in the screen supply, which helped to mitigate inrush current and possibly added some transformer protection. In addition to stacking the diodes, I installed fuses for each secondary winding. I also replaced all of the E-Caps.
Didn’t even realize I had some NOS spares hidden away all this time. Have any questions about this item? Get daily email alerts when new items become available that contain the following category and keywords. Find all posts by MadMan. Getting notified via SMS Text Message will require you to verify your cell phone via the profile page in your account. Do you already have an ecio
I installed an ICL to limit inrush current at power-on. Chrome DinetteJul 2, This item is part of the auction: Phase Linear …on the bench! I completely forgot that this thing was tube driven. They checked right on the money.
Eico 1030 HV Regulated Power Supply
eicl Likewise, I used two UF in series in the screen supply, which was the winding that failed in my old power supply. Certain items offered for sale at the auction may constitute “Restricted Technology.
I fused the screen winding with a 62ma slo-blo fuse, which was the smallest that I had available. The bias supply 6X4 is a half-wave circuit, so I used two in series.
Buyers must register prior to bidding at any auction sale. Want ejco phone or mail the auctioneer? Pulled the cover off, and they’re all factory labeled — a 7-notch 5AR4 Mullard Blackburn? Find all posts by Crist Rigott. Jul 1, 1.
Buyer shall be responsible for the safe and proper removal of any Goods purchased by Buyer. We do not provide free personalized troubleshooting.
I checked all the tubes.