Pioneer Sx-750 Am/fm Stereo Receiver Tone Control Assembly Pcb "enter works shift" Questions

...SHIFT on the remote control to cancel 5.1CH Input mode." When turning it on hold the enter key at the same time to reset the machine back to the factory settings...worked for me when I had that exact ...

...RECEIVER VCR DBS/CABLE SKIP SKIP ENTER MEMORY CHANNEL VOLUME + - + - VDP DVD TUNER PHONO CD DISPLAY SETUP RETURN MENU SHIFT SURR. PARA. OSD A/B MUTING BAND MODE TUNING TUNING 2 1 (Main