Re: PDP8E 3.75V on Omnibus issue

2018-02-06 Thread Kyle Owen via cctalk
H724 (and M8320) schematics are here: http://bitsavers.org/pdf/dec/pdp8/pdp8e/PDP-8E_Engineering_Drawings_RevAD_Dec72.pdf You have the maintenance manuals too, right? http://bitsavers.org/pdf/dec/pdp8/pdp8e/DEC-8E-HMM1A-D-D_PDP-8e_Maintenance_Manual_Volume_1_Processor_Sep73.pdf Kyle

PDP8E 3.75V on Omnibus issue

2018-02-06 Thread Nick Allen via cctalk
Hey everyone, thanks for always serving as a great sounding board and source of advice! I have an issue with a PDP8E which has an issue with the power supply.  The -15V, 15V, and 5V are good, and my Bus Loads board is good, but for some reason the power supply is bringing down the 3.75V signal