Troubleshooting - JBL SYNTHESIS SDR-38 Manual

Troubleshooting

Problem Check the following
The power cord is plugged into the receiver and into the AC
There are no lights on the unit
power outlet.
The power button is pressed in.
If a red LED is present, the receiver is in standby mode. Press any button
on the front panel or the standby button on the remote control.
There are fresh batteries in the remote control.
The unit responds erratically or not at all
to the remote control
The front panel window is visible and you are pointing the remote
control towards it.
The display hasn't been turned off. Press the
The front panel display is blank
panel or remote control.
Your viewing device is turned on and switched to display your receiver.
No picture is being produced
Test by pressing the
look for the main menu screen on your display device.
The correct video input is selected on the receiver.
The video source is on, is operating normally, and is in 'play' mode if
appropriate.
Ensure the 'sharpness' control on your display device is switched off or
There are bright edges or 'ghosts' on the
set to near minimum.
picture
For hdmi connections, try using a shorter cable or alternatively a
different brand.
The correct input has been selected.
No sound is produced
The 'audio source' has been set correctly in the 'input config. ' Menu
The source equipment is on, is operating normally and is in 'play' mode
if appropriate.
The volume is turned up to a reasonable level and the receiver is not
in mute mode.
You have not excessively increased the input sensitivity (i.e. Reduced
The sound is poor or distorted
the maximum input signal voltage) in the input config. Menu if an
analog input is being used.
You have selected the correct size of speakers to suit your system in
the setup menu.
button on the front
button on the receiver or on the remote and
EN-38
Problem Check the following
You have an appropriate surround source selected and playing.
Sound only comes from some of the
speakers
The BD/DVD disc is encoded in the appropriate format, and the correct
format has been selected in the disc start menu of the bd player (if
applicable).
The BD/DVD player has been set to output 'bitstream' audio on the
digital output.
The display window indicates that the disc you are playing is a
multichannel recording (you may need to press the
times until you get to the 'incoming format' display).
All the speakers are correctly connected to the speaker terminals and
are secure.
You have not selected 'stereo' as the decoding mode.
Your speaker balance is correct.
You have configured the receiver to include all the speakers in your
system.
The receiver can only apply Dolby an DTS decoding to sources which
Unable to select Dolby or DTS decoding
have been encoded in the same format.
modes
Check that:
Digital source is selected and connected.
The source is playing appropriately encoded material.
The BD/DVD disc is encoded in the appropriate format and that the
correct format has been selected in the disc start menu of the bd player
(if applicable).
The BD/DVD player has been set to output 'bitstream' audio on the
digital output.
You have a digital connection from your BD/DVD player.
When playing a Dolby BD/DVD, the AV
selects Dolby Surround
Sometimes dolby BD/DVD discs contain material at either the
beginning or the end of the main movie that is not in full 5.1 Format,
but in two-channel.
All cables are making a good connection. If necessary remove the cable
Hum on an analog input
from the connector and plug it fully in again (turn the power off before
doing this).
The connections inside the source cable connector are not broken or
badly soldered.
If the hum originates only when one particular source component is
connected, that an antenna cable, or satellite connection to this source
is ground isolated. Contact your installation contractor.
key several