9GB / VIDEO IN• For a composite connection, use anAnalogue Extension Cable (not supplied).• AUDIO OUT /• Supports 3-pole stereo mini jack only.• To listen to the TV's sound through theconnected equipment, press HOME.Select [Settings] [Sound] [Headphone/Audio out] and then selectthe desired item. IR BLASTER*• Use your Sony remote control to controlyour External Box (cable/satellite box).Connect the IR Blaster Cable* to the IRBlaster port on your TV. Place one or bothof the other two ends as shown below.• To perform IR Blaster setup, press HOMEand select [Settings] [External inputs] [IR Blaster setup]. USB 1/2, USB 3• Connecting a large USB device mayinterfere with other connected devicesbeside it.• When connecting a large USB device,connect to the USB 1 port. HDMI IN 1/2/3/4• HDMI interface can transfer the digitalvideo and audio on a single cable.•• HDMI IN 2/3To enjoy high quality 4K 50p/60pcontents, connect a Premium High SpeedHDMI cable to the HDMI IN 2/3 and set the[HDMI signal format] to [Enhancedformat].For details of supported formats, refer tothe “Specifications“ in this manual (page13-14).• HDMI IN 3 ARC (Audio Return Channel)Connect your audio system to theHDMI IN 3 to route TV audio to your audiosystem. An audio system that supportsHDMI ARC can send video to the TV, andreceive audio from the TV via the sameHDMI cable. If your audio system does notsupport HDMI ARC, an additionalconnection with DIGITAL AUDIO OUT(OPTICAL) is necessary.* Only on limited region/country/TV model.3.5 mm1 2 3 41: L2: Video3: Ground4: R< 12 mm< 21 mm