Sony STR-DA3700ES Operating Instructions Manual page 75

2 Outputs sound from speakers in zone 2 using the receiver and
another amplifier.
Main zone Zone 2
TV
B B
monitor
STR-DA3700ES
IR REMOTE IN
C
A
ZONE 2 VIDEO OUT*
ZONE 2 AUDIO OUT
Remote control
A IR repeater (not supplied)
B Speakers
C Sony Amplifier/Receiver
* You can also connect to the ZONE 2 COMPONENT VIDEO OUT jack.
75 US