BD 300 - JBL Audio Service Manual (repair manual). Page 49

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NOTE: See the Connections section, on page 10, for detailed information 
about making connections.
fan vents: These vents are used by the receiver’s fan to cool the unit. 
Maintain a clearance of at least three inches (75mm) from the nearest 
surface to avoid overheating the unit.
iMporTAnT noTe: never block the fan vents. doing so could 
allow the receiver to overheat to dangerous levels.
Speaker connectors: Use the speaker wires supplied with the speakers 
to connect the speakers to the proper terminals. 
• BD100 receivers have connections for six speakers: front left, front right, 
surround left, surround right, center and subwoofer.
• BD300 receivers have connections for five speakers: front left, front 
right, surround left, surround right and center. (The receiver also has a 
line-level output for the system’s powered subwoofer.)
See Connections, on page 10, for more information.
coaxial digital input connector: Connect the coaxial digital output of 
an audio-only source component here. The signal may be a Dolby
®
 Digital 
bitstream, a DTS
®
 bitstream or a standard PCM digital-audio bitstream. 
NOTE: Use only one type of digital connection for each source component.
Subwoofer output connector (Bd300 receiver only): Use the 
supplied subwoofer LFE cable to connect this jack to the included powered 
subwoofer’s LFE jack. See Connecting the Powered Subwoofer, on page 
11, for more details about making connections.
Analog Audio input connectors: Use these connectors to connect 
to an audio-only source device (such as a tape deck). Do not connect a 
turntable to these connectors without a phono preamp.
fM Antenna connector: Connect the supplied FM antenna to this 
terminal.
optical digital input connectors: Connect the optical digital output of 
an audio-only source component here. The signal may be a Dolby Digital 
bitstream, a DTS bitstream or a standard PCM digital-audio bitstream. 
NOTE: Use only one type of digital connection for each source component.
network connector: Use a Cat. 5 or Cat. 5E Ethernet cable (not 
supplied) to connect the receiver’s Network connector to your home 
network to enjoy streaming content and content from DLNA
®
-compatible 
devices that are joined to the network. See Connecting to Your Home 
Network, on page 13, for more information.
uSB network port (Bd300 receiver only): If your home network 
is a Wi-Fi
®
 network, insert the supplied Wireless LAN/USB adapter into 
this port. See Connecting to Your Home Network, on page 13, for more 
information.
• Do not insert a USB memory stick or similar device into the rear-panel 
USB Network port. The port will work only with a USB network adapter 
like the one supplied with the receiver.
hdMi
®
 Monitor out connector: Connect the BD receiver’s HDMI 
output to your TV’s HDMI input. Since the HDMI cable transmits both 
video and audio to the TV, we recommend that you set the receiver’s HDMI 
audio output to Off in the receiver’s Audio menu to take full advantage 
of your home theater system’s superior audio performance. If your TV is 
3D-capable, you can watch 3D content in 3D either from the receiver’s built-
in disc player or from other 3D-capable source devices connected to the  
receiver’s HDMI Input connectors (BD300 receiver only, see below).
The receiver’s HDMI Monitor Out connection also contains an Audio 
Return Channel that carries a digital audio signal from your TV or video 
display back to the receiver. It allows you to listen to HDMI devices that 
are connected directly to your TV (such as an Internet connection) without 
making an additional connection from the device to the receiver. Note: You 
must enable your TV’s Audio Return Channel output. Consult your TV’s 
instruction manual for information.
hdMi input connectors (Bd300 receiver only): You can connect 
up to two additional source devices that have HDMI connectors to the 
BD300 receiver. The HDMI connection transmits digital audio and video 
signals between devices, so you do not have to make any additional audio 
connections for these devices. The receiver will pass 3D video signals from 
3D-capable HDMI source devices to the TV via the HDMI Monitor Out 
connector. See Connecting Your HDMI Source Devices, on page 12, for 
more information.
composite Video output connector: If your TV does not have an 
HDMI connection, connect it to the BD receiver’s Composite Video Output 
connector. 
BD300 receiver only: Video signals from source devices connected to 
the receiver’s HDMI Input connectors will not appear at the receiver’s 
Composite Video output connection. If you are connecting HDMI sources to 
the receiver, you must use the receiver’s HDMI Monitor Out connection.
power cord connector: After you have made and verified all other 
connections, plug the supplied AC power cord into this input and into an 
unswitched AC outlet.
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