Toa, Tuner, models:

DT-920	Specifications
IR-702T	Operating Instructions Manual
IR-802T	Operating Instructions Manual
S5.5-RX A1	Service Manual
WT-4820	Operating Instructions Manual
WT-740U	Operation Instructions Manual
WT-770	Operating Instructions Manual
WT-781	Operating Instructions Manual
WT-870	Operating Instructions Manual
WTU-4800	Instruction Manual