I put the troubleshooting on hold while I tried to find the Heathkit schematic and/or manual which is getting tough to do. Shannon and I went to a hamfest in Peoria yesterday and I picked up a copy of the assembly manual complete with all of the pictorials in good shape. The good news is that it came with a working IP-17 also in very good shape. HEATHKIT IP-2717A (IP-17) Regulated High Voltage Power Supply - $175.00. Excellent condition! Fully tested for output. Has a nice black crackle finish which gives it nice durable look and feel. Ships 15 lbs FedEx ground Thanks for the read KJ6PWP 222567853973 Heath Company (Heathkit) - About us We are product fanatics. Our goal is to improve your life by helping you build the complex products you use daily. You'll learn how they work, and be able to fix and change them yourself. The Heathkit "17" series power supplies were classics, and almost every serious repairman, HAM, and experimenter had one on his bench when tube equipment ruled. It comes with a very clean reprint of the operating and maintenance sections of an IP-2717A manual, including schematic, which is the same information contained in a SP-2717A manual. Nash County North Carolina. Nash County North Carolina; Okmulgee County Oklahoma; Division No. 8 Canada I own and regularly use a Heath IP-2717A and a Heath IP-32. The IP-17 and IP-2717A are descendents from the IP-32 and pretty much share the same specs. Looking over my scribblings in the manual, I didn't bother to remove the 6X4 rectifier and left it as is when I did the zener mod later. Moved Permanently. The document has moved here. >the followup Power Supply IP 2727A which is a slightly different type with >less tubes to do achieve the same output voltage and current though. > >If someone is able to send, fax or e-mail me only the schematic part of >this wonderful piece of equipment it would be of great help and will >probably make it possible for me to repair the thing He