Sony BRAVIA KD-55XF80 Series Operator's Reference Manual page 11

 AUDIO OUT
• Supports 3-pole stereo mini jack only.
• To listen to the TV's sound through the
connected equipment, press HOME.
Select [Settings]  [Sound] 
[Headphone/Audio out] and then select
the desired item.
 HDMI IN 1/2/3/4
• HDMI interface can transfer the digital
video and audio on a single cable.
•
< 12 mm
< 21 mm
• HDMI IN 2/3
To enjoy high quality 4K 50p/60p
contents, connect a Premium High Speed
HDMI cable to the HDMI IN 2/3 and set the
[HDMI signal format] to [Enhanced
format].
For details of supported formats, refer to
the "Specifications" in this manual (page
14-16).
• HDMI IN 3 ARC (Audio Return Channel)
Connect your audio system to the
HDMI IN 3 to route TV audio to your audio
system. An audio system that supports
HDMI ARC can send video to the TV, and
receive audio from the TV via the same
HDMI cable. If your audio system does not
support HDMI ARC, an additional
connection with DIGITAL AUDIO OUT
(OPTICAL) is necessary.

CAM (Conditional Access Module)
• Provides access to pay TV services. For
details, refer to the instruction manual
supplied with your CAM.
• Do not insert the smart card directly into
the TV CAM slot. It must be fitted into the
Conditional Access Module provided by
your authorised dealer.
• CAM is not supported in some countries/
areas. Check with your authorised dealer.
• A CAM message may appear when you
switch to a digital programme after using
the Internet video.
/

USB 1/2,
• Connecting a large USB device may
interfere with other connected devices
beside it.
• When connecting a large USB device,
connect to the USB 1 port.
• Connect a USB HDD device to the USB 3
port (blue).
  (RF input),
• Connections for terrestrial/cable and
satellite.

AV IN 1
• For a composite connection, use an
Analogue Extension Cable (not supplied).
•
3.5 mm
1
1: L
2: Video
3: Ground
4: R
*1 When connecting mono equipment, connect to the
L (MONO) audio jack (socket).
*2 For an external device which has only SCART AV
OUT, use a SCART-RCA adaptor and Analogue
Extension Cable.
*3 Only on limited region/country/TV model.
USB 3 (HDD REC)*
(Satellite input)
2 3 4
3
11
GB