On Sun, 18 Nov 2012 16:01:38 -0800, Jeff Liebermann
wrote:
(...)

Also, you may need a TM502a mainframe schematic if you suspect the
power supply to be at fault.
http://www.ebay.com/itm/390216672603
$7.50



--
Jeff Liebermann
150 Felker St #D http://www.LearnByDestroying.com
Santa Cruz CA 95060 http://802.11junk.com
Skype: JeffLiebermann AE6KS 831-336-2558