Altec Lansing Supply - Please Help Identify

[eric914]

I picked up 4 of these about 10 years ago and an using one to supply a L25D amp. The back of the board says 'Altec Lansing' ALS-512 PS. With no load the power supply reads 80-0-80 on the main. It turns on when i momentarily short the two terminals on the lower left hand side but only stays powered up for about a minute. I haven't reverse engineered the circuit yet. Was hoping someone might recognize it and have a diagram.

 

[Th3 uN1Qu3]

It looks like a typical mains transformer powered supply. The blue component looks like a relay switching the mains input - that's likely to be what's shutting it down. Figure out how the relay is driven, or just bypass it if you need the power supply as-is.