On 2/23/22 17:25, Chris Zach via cctalk wrote: > Pretty much. I took apart my VT52 about 2 years ago because it wasn't > happy. Turned out the +5 and +15 volt supplies were good but the -15 was > bad. > > After fiddling around with capacitors and transistors I took the easy > way out and just put in a 7815 regulator, bypassing the old -15 volt > system. Secured it to the heat sink and the display works perfectly now. >
Nice job, but isn't the 7915 the negative regulator? --Chuck
