| Jack | Label | Use | |------|-------|-----| | | FM 75Ω / AM loop | Included ribbon wire for AM; T-shaped dipole for FM | | Speakers | L / R (red=+, black=-) | Only use 6–16Ω rated speakers | | Aux In | VIDEO/AUX (RCA red/white) | Connect TV, game console, MP3 player | | Phono | PHONO (RCA + ground screw) | For turntable with MM cartridge | | AC cord | Non-removable | Plug directly into wall (not power strip) |

While basic quick-start guides are often included in the box, they rarely cover the depth of features available on the LB-TD507. A high-quality user manual is distinct from a standard leaflet for several reasons: