On Fri, 12 Sep 2003, masada wilmot wrote: > I've tried looking for the schematics on-line and the site where I found > them previously seems to be dead. Can you or someone e-mail me the power > supply schematic? I'll take a look and let you know if there are any issues > with parts. I'll try and give you a source for them as well. masada, sorry about the omni site goin' down (it went down along w/my job )-: for the time being, here are links to the assembly drawing & schematics for the omni power supply http://www.cs.umass.edu/~pbrown/images/ps-assy.jpg http://www.cs.umass.edu/~pbrown/images/ps-schematic.jpg also, i have attached the parts list for the power supply from the manual (unfortunately, it doesn't list all parts) hope this helps... regards, PB>> ===== PC BOARD, "POWER SUPPLY" REFERENCE ARP PART NUMBER ARP/MFG NUMBER DESCRIPTION ================================================================================ CR1,2,3,4,5 1200201 1N4001 RECT, 50V, 1A Q3 1303001 2N3906 TSTR, PNP, GP Zl 1401301 723DC IC, VOLTAGE REGULATOR Z2 1400801 LM30lAN IC, OP AMPL R7,8 1000111 BW-20 RES, WW, TC, 0.68 OHM, 1W, 5% R19,20 1000915 U201R104B POT, ROTARY TRIM, 100K, 1/4 W, 30% C8 1100609 G-0-001-G-20-0 CAP, TANT, 1UF, 35V, 20% C6,7 1100612 G-0-010-G-20-0 CAP, TANT, 10UF, 35V, 20% C3 1101702 TAD250TQ50 CAP, ELECT, 250UF, 50V, +50-10% Cl,2 1101301 TCW102V050N1R3P CAP, ELECT, 1000UF, 50V, +75-10% Q1 1304501 MJE1100 TSTR, NPN, PAR DARL Q2 1304301 MJE1090 TSTR, PNP, PWR DARL T1 5704401 TRANSFORMER, POWER F1 1700404 MDV-1/2 FUSE, PIGTAIL, SLO-BLO 1/2A 250V
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RE: [vintagesynthrepair] OMNI 2 power supply
2003-09-13 by Peter Brown