hifi engine

Need manuals and schematics

wayx58's picture

I have a Pioneer SX-434 & SX-727 a Sansui 350 & Realistic STA-2100 I need manuals for all and schematic's for the STA-2100 & the SX-727 both power up but there is no sound from speakers or head phones the light on the power button on the Realistic stay's red it is suppose to turn green after a second or two any help will be appreciated