Tektronix
TM 5006
Service and User Manual
Philips
MX5800SA/ 21S
Service Manual
Epson
Stylus C20UX
Service Manual
Wilson Electronic Corp.
EW-77
User Manual
Amalgamated Wireless
RADIOLAS 515-M
Service Manual
Kyoritsu Electrical Instruments
K-126A
User Manual with schematics