Sony STR-DA3700ES Operating Instructions Manual page 39

Connections required for listening to content recorded on MDs or
cassette tapes
It is not necessary to connect all the cords. Connect cords according to the jacks of your equipment.
MD deck, Tape deck
A
A Optical digital cord (not supplied)
B Audio cord (not supplied)
Notes
• When connecting optical digital cords, insert the
plugs straight until they click into place.
• Do not bend or tie optical digital cords.
Tip
All the digital audio jacks are compatible with
32 kHz, 44.1 kHz, 48 kHz, 88.2 kHz and 96 kHz
sampling frequencies.
or
B
39 US