BD 300 - JBL Audio Service Manual (repair manual). Page 70

If your BD receiver isn’t performing the way you think it should, check to see if the problem is covered in this section before calling your JBL dealer.

PRoBLEM

SoLUTIoN

The receiver won’t power up (the On/Standby indicator is not lit):

• Check that the receiver’s Power cord is properly plugged into the 

receiver’s AC Power connector.

• Check that the Power cord is plugged into a working AC outlet. If the outlet 

is controlled by a switch, make sure the switch is set in the “On” position.

Sound plays through the speakers, but there is no TV picture:

• Check the HDMI connection between the receiver and the TV.
• Check the HDMI connection or component video connection between the 

source device and the receiver.

• Check that the TV is turned on and is set to the proper input source.
• Unplug the HDMI cable from the TV and plug it back in again.

There is a constant hum in the sound:

• Check that all input cables are plugged all the way into their connectors.
• Check that all cables are at least 10 ft (3.3m) from fluorescent lights.
• Check that all cable connectors are clean. If necessary, wipe them with a 

cloth slightly moistened with alcohol.

Streaming service (Pandora, Picasa or YouTube) does not appear on the 

Home Menu screen:

• See the table on page 23 to confirm that the streaming service is available 

in your region. If the service is not available, it will not appear on the  

Home Menu screen.

Cannot connect to a streaming service that appears on the Home Menu 

screen:

• Confirm that the receiver is joined in your home network. See General 

Settings: Network, on page 17, for information about performing a 

connection test.

Cannot stream media from other networked devices via DLNA:

• Make sure the networked devices have given permission to share  

media. See Digital Living Network Alliance (DLNA), on page 23, for  

more information.

The disc does not play:

• Check that the disc is inserted correctly (label side up).
• Check that the disc is the correct type: BD-Video (single-layer or double-

layer), DVD-Video, DVD+R/+RW, DVD-R/-RW, CDDA (CD digital audio), 

CD-R/RW. Other disc types will not play.

• Check that the disc surface is clean and not scratched.

There is noise or other interference in the picture while playing a  

Blu-ray Disc recording or DVD:

• Check that the disc surface is clean and not scratched.

Cannot tune in radio stations:

• Check that the FM antenna is correctly connected.
• Adjust the antenna’s position. If necessary, use a powered FM antenna or 

an outdoor FM antenna.

The receiver does not respond to remote-control commands:

• Replace remote-control batteries with fresh ones, and make sure that they 

are installed with the correct polarity.

• Hold the remote closer to the receiver.
• Check that the receiver’s remote sensor is in the line of sight of the  

remote control.

The Ø symbol appears on the screen when you press a  

remote-control button:

• The selected function is not permitted at the time the button is pressed.

The receiver does not respond to commands, or it behaves in an  

erratic way:

• Unplug the receiver’s Power cord from the AC outlet, wait 30 seconds, 

then plug it back in.

You can find additional troubleshooting information in the FAQs link on the Support page at www.jbl.com.