The Radio Information Board

Got a T-1405 manual off eBay... One down, three to go...

Looking for schematics/service data for the following Tama Denki radios: Wilson T-1402 Wilson T-1405 Tamaphone Executive MT-152 and/or MT-155 (MTS 'phones based IIRC on either the T-1402/1405 or the T-1502/1505 models) Haven't found much about these on the 'net other than some Hardware Operator on o...